synched with trunk at revision 37212

14 files changed, 1202 insertions, 622 deletions

diff --git a/extern/binreloc/CMakeLists.txt b/extern/binreloc/CMakeLists.txt
index e3f0b05d563..a4f85a2fdfd 100644
--- a/extern/binreloc/CMakeLists.txt
+++ b/extern/binreloc/CMakeLists.txt
@@ -18,17 +18,21 @@
 # All rights reserved.
 #
 
+set(INC
+	./include
+)
+
+set(INC_SYS
+
+)
+
 set(SRC
 	binreloc.c
 
 	include/binreloc.h
 )
 
-set(INC
-	./include
-)
-
 add_definitions(-DENABLE_BINRELOC)
 
 
-blender_add_lib(extern_binreloc "${SRC}" "${INC}")
+blender_add_lib(extern_binreloc "${SRC}" "${INC}" "${INC_SYS}")
diff --git a/extern/bullet2/CMakeLists.txt b/extern/bullet2/CMakeLists.txt
index a9137dd33f7..bfc4b31689e 100644
--- a/extern/bullet2/CMakeLists.txt
+++ b/extern/bullet2/CMakeLists.txt
@@ -29,6 +29,10 @@ set(INC
 	src
 )
 
+set(INC_SYS
+
+)
+
 set(SRC
 	src/BulletCollision/BroadphaseCollision/btAxisSweep3.cpp
 	src/BulletCollision/BroadphaseCollision/btBroadphaseProxy.cpp
@@ -145,7 +149,6 @@ set(SRC
 	src/LinearMath/btGeometryUtil.cpp
 	src/LinearMath/btQuickprof.cpp
 	src/LinearMath/btSerializer.cpp
-	
 
 	src/Bullet-C-Api.h
 	src/BulletCollision/BroadphaseCollision/btAxisSweep3.h
@@ -330,4 +333,4 @@ if(CMAKE_COMPILER_IS_GNUCXX)
 	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fpermissive")
 endif()
 
-blender_add_lib(extern_bullet "${SRC}" "${INC}")
+blender_add_lib(extern_bullet "${SRC}" "${INC}" "${INC_SYS}")
diff --git a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btAxisSweep3.h b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btAxisSweep3.h
index 07167af3baf..70cf3e4ace8 100644
--- a/extern/bullet2/src/BulletCollision/BroadphaseCollision/btAxisSweep3.h
+++ b/extern/bullet2/src/BulletCollision/BroadphaseCollision/btAxisSweep3.h
@@ -1026,7 +1026,7 @@ void btAxisSweep3Internal<BP_FP_INT_TYPE>::sortMaxUp(int axis, BP_FP_INT_TYPE ed
 
 
 /// The btAxisSweep3 is an efficient implementation of the 3d axis sweep and prune broadphase.
-/// It uses arrays rather then lists for storage of the 3 axis. Also it operates using 16 bit integer coordinates instead of floats.
+/// It uses arrays rather than lists for storage of the 3 axis. Also it operates using 16 bit integer coordinates instead of floats.
 /// For large worlds and many objects, use bt32BitAxisSweep3 or btDbvtBroadphase instead. bt32BitAxisSweep3 has higher precision and allows more then 16384 objects at the cost of more memory and bit of performance.
 class btAxisSweep3 : public btAxisSweep3Internal<unsigned short int>
 {
@@ -1038,7 +1038,7 @@ public:
 
 /// The bt32BitAxisSweep3 allows higher precision quantization and more objects compared to the btAxisSweep3 sweep and prune.
 /// This comes at the cost of more memory per handle, and a bit slower performance.
-/// It uses arrays rather then lists for storage of the 3 axis.
+/// It uses arrays rather than lists for storage of the 3 axis.
 class bt32BitAxisSweep3 : public btAxisSweep3Internal<unsigned int>
 {
 public:
diff --git a/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexConvexAlgorithm.cpp b/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexConvexAlgorithm.cpp
index ede1afb2a03..94385fed909 100644
--- a/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexConvexAlgorithm.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionDispatch/btConvexConvexAlgorithm.cpp
@@ -487,7 +487,7 @@ btScalar	btConvexConvexAlgorithm::calculateTimeOfImpact(btCollisionObject* col0,
 {
 	(void)resultOut;
 	(void)dispatchInfo;
-	///Rather then checking ALL pairs, only calculate TOI when motion exceeds threshold
+	///rather than checking ALL pairs, only calculate TOI when motion exceeds threshold
     
 	///Linear motion for one of objects needs to exceed m_ccdSquareMotionThreshold
 	///col0->m_worldTransform,
diff --git a/extern/glew/CMakeLists.txt b/extern/glew/CMakeLists.txt
index 1a20dbdb9d7..35beacab6a3 100644
--- a/extern/glew/CMakeLists.txt
+++ b/extern/glew/CMakeLists.txt
@@ -28,8 +28,12 @@ set(INC
 	./include
 )
 
+set(INC_SYS
+
+)
+
 if(UNIX)
-	list(APPEND INC ${X11_X11_INCLUDE_PATH})
+	list(APPEND INC_SYS ${X11_X11_INCLUDE_PATH})
 endif()
 
 set(SRC
@@ -42,4 +46,4 @@ set(SRC
 
 add_definitions(-DGLEW_STATIC)
 
-blender_add_lib(extern_glew "${SRC}" "${INC}")
+blender_add_lib(extern_glew "${SRC}" "${INC}" "${INC_SYS}")
diff --git a/extern/glew/include/GL/glew.h b/extern/glew/include/GL/glew.h
index 2d7b7478622..1775aa784dc 100644
--- a/extern/glew/include/GL/glew.h
+++ b/extern/glew/include/GL/glew.h
@@ -1158,11 +1158,13 @@ GLAPI void GLAPIENTRY glViewport (GLint x, GLint y, GLsizei width, GLsizei heigh
 
 /* ---------------------------------- GLU ---------------------------------- */
 
+#ifndef GLEW_NO_GLU
 /* this is where we can safely include GLU */
-#if defined(__APPLE__) && defined(__MACH__)
-#include <OpenGL/glu.h>
-#else
-#include <GL/glu.h>
+#  if defined(__APPLE__) && defined(__MACH__)
+#    include <OpenGL/glu.h>
+#  else
+#    include <GL/glu.h>
+#  endif
 #endif
 
 /* ----------------------------- GL_VERSION_1_2 ---------------------------- */
@@ -2445,6 +2447,18 @@ typedef void (GLAPIENTRY * PFNGLTBUFFERMASK3DFXPROC) (GLuint mask);
 
 #endif /* GL_3DFX_texture_compression_FXT1 */
 
+/* ----------------------- GL_AMD_blend_minmax_factor ---------------------- */
+
+#ifndef GL_AMD_blend_minmax_factor
+#define GL_AMD_blend_minmax_factor 1
+
+#define GL_FACTOR_MIN_AMD 0x901C
+#define GL_FACTOR_MAX_AMD 0x901D
+
+#define GLEW_AMD_blend_minmax_factor GLEW_GET_VAR(__GLEW_AMD_blend_minmax_factor)
+
+#endif /* GL_AMD_blend_minmax_factor */
+
 /* ----------------------- GL_AMD_conservative_depth ----------------------- */
 
 #ifndef GL_AMD_conservative_depth
@@ -2587,6 +2601,21 @@ typedef void (GLAPIENTRY * PFNGLSELECTPERFMONITORCOUNTERSAMDPROC) (GLuint monito
 
 #endif /* GL_AMD_performance_monitor */
 
+/* ------------------------ GL_AMD_sample_positions ------------------------ */
+
+#ifndef GL_AMD_sample_positions
+#define GL_AMD_sample_positions 1
+
+#define GL_SUBSAMPLE_DISTANCE_AMD 0x883F
+
+typedef void (GLAPIENTRY * PFNGLSETMULTISAMPLEFVAMDPROC) (GLenum pname, GLuint index, const GLfloat* val);
+
+#define glSetMultisamplefvAMD GLEW_GET_FUN(__glewSetMultisamplefvAMD)
+
+#define GLEW_AMD_sample_positions GLEW_GET_VAR(__GLEW_AMD_sample_positions)
+
+#endif /* GL_AMD_sample_positions */
+
 /* ------------------ GL_AMD_seamless_cubemap_per_texture ------------------ */
 
 #ifndef GL_AMD_seamless_cubemap_per_texture
@@ -3262,12 +3291,6 @@ typedef void (GLAPIENTRY * PFNGLDRAWELEMENTSINDIRECTPROC) (GLenum mode, GLenum t
 #ifndef GL_ARB_draw_instanced
 #define GL_ARB_draw_instanced 1
 
-typedef void (GLAPIENTRY * PFNGLDRAWARRAYSINSTANCEDARBPROC) (GLenum mode, GLint first, GLsizei count, GLsizei primcount);
-typedef void (GLAPIENTRY * PFNGLDRAWELEMENTSINSTANCEDARBPROC) (GLenum mode, GLsizei count, GLenum type, const void* indices, GLsizei primcount);
-
-#define glDrawArraysInstancedARB GLEW_GET_FUN(__glewDrawArraysInstancedARB)
-#define glDrawElementsInstancedARB GLEW_GET_FUN(__glewDrawElementsInstancedARB)
-
 #define GLEW_ARB_draw_instanced GLEW_GET_VAR(__GLEW_ARB_draw_instanced)
 
 #endif /* GL_ARB_draw_instanced */
@@ -3827,8 +3850,12 @@ typedef void (GLAPIENTRY * PFNGLSEPARABLEFILTER2DPROC) (GLenum target, GLenum in
 
 #define GL_VERTEX_ATTRIB_ARRAY_DIVISOR_ARB 0x88FE
 
+typedef void (GLAPIENTRY * PFNGLDRAWARRAYSINSTANCEDARBPROC) (GLenum mode, GLint first, GLsizei count, GLsizei primcount);
+typedef void (GLAPIENTRY * PFNGLDRAWELEMENTSINSTANCEDARBPROC) (GLenum mode, GLsizei count, GLenum type, const void* indices, GLsizei primcount);
 typedef void (GLAPIENTRY * PFNGLVERTEXATTRIBDIVISORARBPROC) (GLuint index, GLuint divisor);
 
+#define glDrawArraysInstancedARB GLEW_GET_FUN(__glewDrawArraysInstancedARB)
+#define glDrawElementsInstancedARB GLEW_GET_FUN(__glewDrawElementsInstancedARB)
 #define glVertexAttribDivisorARB GLEW_GET_FUN(__glewVertexAttribDivisorARB)
 
 #define GLEW_ARB_instanced_arrays GLEW_GET_VAR(__GLEW_ARB_instanced_arrays)
@@ -6211,8 +6238,8 @@ typedef void (GLAPIENTRY * PFNGLUNMAPOBJECTBUFFERATIPROC) (GLuint buffer);
 typedef void (GLAPIENTRY * PFNGLPNTRIANGLESFATIPROC) (GLenum pname, GLfloat param);
 typedef void (GLAPIENTRY * PFNGLPNTRIANGLESIATIPROC) (GLenum pname, GLint param);
 
-#define glPNTrianglesfATI GLEW_GET_FUN(__glPNTrianglewesfATI)
-#define glPNTrianglesiATI GLEW_GET_FUN(__glPNTrianglewesiATI)
+#define glPNTrianglesfATI GLEW_GET_FUN(__glewPNTrianglesfATI)
+#define glPNTrianglesiATI GLEW_GET_FUN(__glewPNTrianglesiATI)
 
 #define GLEW_ATI_pn_triangles GLEW_GET_VAR(__GLEW_ATI_pn_triangles)
 
@@ -7599,12 +7626,10 @@ typedef void (GLAPIENTRY * PFNGLRENDERBUFFERSTORAGEEXTPROC) (GLenum target, GLen
 
 typedef void (GLAPIENTRY * PFNGLFRAMEBUFFERTEXTUREEXTPROC) (GLenum target, GLenum attachment, GLuint texture, GLint level);
 typedef void (GLAPIENTRY * PFNGLFRAMEBUFFERTEXTUREFACEEXTPROC) (GLenum target, GLenum attachment, GLuint texture, GLint level, GLenum face);
-typedef void (GLAPIENTRY * PFNGLFRAMEBUFFERTEXTURELAYEREXTPROC) (GLenum target, GLenum attachment, GLuint texture, GLint level, GLint layer);
 typedef void (GLAPIENTRY * PFNGLPROGRAMPARAMETERIEXTPROC) (GLuint program, GLenum pname, GLint value);
 
 #define glFramebufferTextureEXT GLEW_GET_FUN(__glewFramebufferTextureEXT)
 #define glFramebufferTextureFaceEXT GLEW_GET_FUN(__glewFramebufferTextureFaceEXT)
-#define glFramebufferTextureLayerEXT GLEW_GET_FUN(__glewFramebufferTextureLayerEXT)
 #define glProgramParameteriEXT GLEW_GET_FUN(__glewProgramParameteriEXT)
 
 #define GLEW_EXT_geometry_shader4 GLEW_GET_VAR(__GLEW_EXT_geometry_shader4)
@@ -8450,6 +8475,10 @@ typedef void (GLAPIENTRY * PFNGLTEXIMAGE3DEXTPROC) (GLenum target, GLint level,
 #define GL_TEXTURE_BINDING_1D_ARRAY_EXT 0x8C1C
 #define GL_TEXTURE_BINDING_2D_ARRAY_EXT 0x8C1D
 
+typedef void (GLAPIENTRY * PFNGLFRAMEBUFFERTEXTURELAYEREXTPROC) (GLenum target, GLenum attachment, GLuint texture, GLint level, GLint layer);
+
+#define glFramebufferTextureLayerEXT GLEW_GET_FUN(__glewFramebufferTextureLayerEXT)
+
 #define GLEW_EXT_texture_array GLEW_GET_VAR(__GLEW_EXT_texture_array)
 
 #endif /* GL_EXT_texture_array */
@@ -9316,6 +9345,21 @@ typedef void (GLAPIENTRY * PFNGLVERTEXWEIGHTFVEXTPROC) (GLfloat* weight);
 
 #endif /* GL_EXT_vertex_weighting */
 
+/* ------------------------- GL_EXT_x11_sync_object ------------------------ */
+
+#ifndef GL_EXT_x11_sync_object
+#define GL_EXT_x11_sync_object 1
+
+#define GL_SYNC_X11_FENCE_EXT 0x90E1
+
+typedef GLsync (GLAPIENTRY * PFNGLIMPORTSYNCEXTPROC) (GLenum external_sync_type, GLintptr external_sync, GLbitfield flags);
+
+#define glImportSyncEXT GLEW_GET_FUN(__glewImportSyncEXT)
+
+#define GLEW_EXT_x11_sync_object GLEW_GET_VAR(__GLEW_EXT_x11_sync_object)
+
+#endif /* GL_EXT_x11_sync_object */
+
 /* ---------------------- GL_GREMEDY_frame_terminator ---------------------- */
 
 #ifndef GL_GREMEDY_frame_terminator
@@ -10796,6 +10840,32 @@ typedef void (GLAPIENTRY * PFNGLTEXTUREBARRIERNVPROC) (void);
 
 #endif /* GL_NV_texture_expand_normal */
 
+/* ----------------------- GL_NV_texture_multisample ----------------------- */
+
+#ifndef GL_NV_texture_multisample
+#define GL_NV_texture_multisample 1
+
+#define GL_TEXTURE_COVERAGE_SAMPLES_NV 0x9045
+#define GL_TEXTURE_COLOR_SAMPLES_NV 0x9046
+
+typedef void (GLAPIENTRY * PFNGLTEXIMAGE2DMULTISAMPLECOVERAGENVPROC) (GLenum target, GLsizei coverageSamples, GLsizei colorSamples, GLint internalFormat, GLsizei width, GLsizei height, GLboolean fixedSampleLocations);
+typedef void (GLAPIENTRY * PFNGLTEXIMAGE3DMULTISAMPLECOVERAGENVPROC) (GLenum target, GLsizei coverageSamples, GLsizei colorSamples, GLint internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedSampleLocations);
+typedef void (GLAPIENTRY * PFNGLTEXTUREIMAGE2DMULTISAMPLECOVERAGENVPROC) (GLuint texture, GLenum target, GLsizei coverageSamples, GLsizei colorSamples, GLint internalFormat, GLsizei width, GLsizei height, GLboolean fixedSampleLocations);
+typedef void (GLAPIENTRY * PFNGLTEXTUREIMAGE2DMULTISAMPLENVPROC) (GLuint texture, GLenum target, GLsizei samples, GLint internalFormat, GLsizei width, GLsizei height, GLboolean fixedSampleLocations);
+typedef void (GLAPIENTRY * PFNGLTEXTUREIMAGE3DMULTISAMPLECOVERAGENVPROC) (GLuint texture, GLenum target, GLsizei coverageSamples, GLsizei colorSamples, GLint internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedSampleLocations);
+typedef void (GLAPIENTRY * PFNGLTEXTUREIMAGE3DMULTISAMPLENVPROC) (GLuint texture, GLenum target, GLsizei samples, GLint internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLboolean fixedSampleLocations);
+
+#define glTexImage2DMultisampleCoverageNV GLEW_GET_FUN(__glewTexImage2DMultisampleCoverageNV)
+#define glTexImage3DMultisampleCoverageNV GLEW_GET_FUN(__glewTexImage3DMultisampleCoverageNV)
+#define glTextureImage2DMultisampleCoverageNV GLEW_GET_FUN(__glewTextureImage2DMultisampleCoverageNV)
+#define glTextureImage2DMultisampleNV GLEW_GET_FUN(__glewTextureImage2DMultisampleNV)
+#define glTextureImage3DMultisampleCoverageNV GLEW_GET_FUN(__glewTextureImage3DMultisampleCoverageNV)
+#define glTextureImage3DMultisampleNV GLEW_GET_FUN(__glewTextureImage3DMultisampleNV)
+
+#define GLEW_NV_texture_multisample GLEW_GET_VAR(__GLEW_NV_texture_multisample)
+
+#endif /* GL_NV_texture_multisample */
+
 /* ------------------------ GL_NV_texture_rectangle ------------------------ */
 
 #ifndef GL_NV_texture_rectangle
@@ -11505,6 +11575,71 @@ typedef void (GLAPIENTRY * PFNGLVERTEXATTRIBS4UBVNVPROC) (GLuint index, GLsizei
 
 #endif /* GL_NV_vertex_program4 */
 
+/* -------------------------- GL_NV_video_capture -------------------------- */
+
+#ifndef GL_NV_video_capture
+#define GL_NV_video_capture 1
+
+#define GL_VIDEO_BUFFER_NV 0x9020
+#define GL_VIDEO_BUFFER_BINDING_NV 0x9021
+#define GL_FIELD_UPPER_NV 0x9022
+#define GL_FIELD_LOWER_NV 0x9023
+#define GL_NUM_VIDEO_CAPTURE_STREAMS_NV 0x9024
+#define GL_NEXT_VIDEO_CAPTURE_BUFFER_STATUS_NV 0x9025
+#define GL_VIDEO_CAPTURE_TO_422_SUPPORTED_NV 0x9026
+#define GL_LAST_VIDEO_CAPTURE_STATUS_NV 0x9027
+#define GL_VIDEO_BUFFER_PITCH_NV 0x9028
+#define GL_VIDEO_COLOR_CONVERSION_MATRIX_NV 0x9029
+#define GL_VIDEO_COLOR_CONVERSION_MAX_NV 0x902A
+#define GL_VIDEO_COLOR_CONVERSION_MIN_NV 0x902B
+#define GL_VIDEO_COLOR_CONVERSION_OFFSET_NV 0x902C
+#define GL_VIDEO_BUFFER_INTERNAL_FORMAT_NV 0x902D
+#define GL_PARTIAL_SUCCESS_NV 0x902E
+#define GL_SUCCESS_NV 0x902F
+#define GL_FAILURE_NV 0x9030
+#define GL_YCBYCR8_422_NV 0x9031
+#define GL_YCBAYCR8A_4224_NV 0x9032
+#define GL_Z6Y10Z6CB10Z6Y10Z6CR10_422_NV 0x9033
+#define GL_Z6Y10Z6CB10Z6A10Z6Y10Z6CR10Z6A10_4224_NV 0x9034
+#define GL_Z4Y12Z4CB12Z4Y12Z4CR12_422_NV 0x9035
+#define GL_Z4Y12Z4CB12Z4A12Z4Y12Z4CR12Z4A12_4224_NV 0x9036
+#define GL_Z4Y12Z4CB12Z4CR12_444_NV 0x9037
+#define GL_VIDEO_CAPTURE_FRAME_WIDTH_NV 0x9038
+#define GL_VIDEO_CAPTURE_FRAME_HEIGHT_NV 0x9039
+#define GL_VIDEO_CAPTURE_FIELD_UPPER_HEIGHT_NV 0x903A
+#define GL_VIDEO_CAPTURE_FIELD_LOWER_HEIGHT_NV 0x903B
+#define GL_VIDEO_CAPTURE_SURFACE_ORIGIN_NV 0x903C
+
+typedef void (GLAPIENTRY * PFNGLBEGINVIDEOCAPTURENVPROC) (GLuint video_capture_slot);
+typedef void (GLAPIENTRY * PFNGLBINDVIDEOCAPTURESTREAMBUFFERNVPROC) (GLuint video_capture_slot, GLuint stream, GLenum frame_region, GLintptrARB offset);
+typedef void (GLAPIENTRY * PFNGLBINDVIDEOCAPTURESTREAMTEXTURENVPROC) (GLuint video_capture_slot, GLuint stream, GLenum frame_region, GLenum target, GLuint texture);
+typedef void (GLAPIENTRY * PFNGLENDVIDEOCAPTURENVPROC) (GLuint video_capture_slot);
+typedef void (GLAPIENTRY * PFNGLGETVIDEOCAPTURESTREAMDVNVPROC) (GLuint video_capture_slot, GLuint stream, GLenum pname, GLdouble* params);
+typedef void (GLAPIENTRY * PFNGLGETVIDEOCAPTURESTREAMFVNVPROC) (GLuint video_capture_slot, GLuint stream, GLenum pname, GLfloat* params);
+typedef void (GLAPIENTRY * PFNGLGETVIDEOCAPTURESTREAMIVNVPROC) (GLuint video_capture_slot, GLuint stream, GLenum pname, GLint* params);
+typedef void (GLAPIENTRY * PFNGLGETVIDEOCAPTUREIVNVPROC) (GLuint video_capture_slot, GLenum pname, GLint* params);
+typedef GLenum (GLAPIENTRY * PFNGLVIDEOCAPTURENVPROC) (GLuint video_capture_slot, GLuint* sequence_num, GLuint64EXT *capture_time);
+typedef void (GLAPIENTRY * PFNGLVIDEOCAPTURESTREAMPARAMETERDVNVPROC) (GLuint video_capture_slot, GLuint stream, GLenum pname, const GLdouble* params);
+typedef void (GLAPIENTRY * PFNGLVIDEOCAPTURESTREAMPARAMETERFVNVPROC) (GLuint video_capture_slot, GLuint stream, GLenum pname, const GLfloat* params);
+typedef void (GLAPIENTRY * PFNGLVIDEOCAPTURESTREAMPARAMETERIVNVPROC) (GLuint video_capture_slot, GLuint stream, GLenum pname, const GLint* params);
+
+#define glBeginVideoCaptureNV GLEW_GET_FUN(__glewBeginVideoCaptureNV)
+#define glBindVideoCaptureStreamBufferNV GLEW_GET_FUN(__glewBindVideoCaptureStreamBufferNV)
+#define glBindVideoCaptureStreamTextureNV GLEW_GET_FUN(__glewBindVideoCaptureStreamTextureNV)
+#define glEndVideoCaptureNV GLEW_GET_FUN(__glewEndVideoCaptureNV)
+#define glGetVideoCaptureStreamdvNV GLEW_GET_FUN(__glewGetVideoCaptureStreamdvNV)
+#define glGetVideoCaptureStreamfvNV GLEW_GET_FUN(__glewGetVideoCaptureStreamfvNV)
+#define glGetVideoCaptureStreamivNV GLEW_GET_FUN(__glewGetVideoCaptureStreamivNV)
+#define glGetVideoCaptureivNV GLEW_GET_FUN(__glewGetVideoCaptureivNV)
+#define glVideoCaptureNV GLEW_GET_FUN(__glewVideoCaptureNV)
+#define glVideoCaptureStreamParameterdvNV GLEW_GET_FUN(__glewVideoCaptureStreamParameterdvNV)
+#define glVideoCaptureStreamParameterfvNV GLEW_GET_FUN(__glewVideoCaptureStreamParameterfvNV)
+#define glVideoCaptureStreamParameterivNV GLEW_GET_FUN(__glewVideoCaptureStreamParameterivNV)
+
+#define GLEW_NV_video_capture GLEW_GET_VAR(__GLEW_NV_video_capture)
+
+#endif /* GL_NV_video_capture */
+
 /* ------------------------ GL_OES_byte_coordinates ------------------------ */
 
 #ifndef GL_OES_byte_coordinates
@@ -13052,6 +13187,8 @@ GLEW_FUN_EXPORT PFNGLGETPERFMONITORGROUPSTRINGAMDPROC __glewGetPerfMonitorGroupS
 GLEW_FUN_EXPORT PFNGLGETPERFMONITORGROUPSAMDPROC __glewGetPerfMonitorGroupsAMD;
 GLEW_FUN_EXPORT PFNGLSELECTPERFMONITORCOUNTERSAMDPROC __glewSelectPerfMonitorCountersAMD;
 
+GLEW_FUN_EXPORT PFNGLSETMULTISAMPLEFVAMDPROC __glewSetMultisamplefvAMD;
+
 GLEW_FUN_EXPORT PFNGLTESSELLATIONFACTORAMDPROC __glewTessellationFactorAMD;
 GLEW_FUN_EXPORT PFNGLTESSELLATIONMODEAMDPROC __glewTessellationModeAMD;
 
@@ -13132,9 +13269,6 @@ GLEW_FUN_EXPORT PFNGLMULTIDRAWELEMENTSBASEVERTEXPROC __glewMultiDrawElementsBase
 GLEW_FUN_EXPORT PFNGLDRAWARRAYSINDIRECTPROC __glewDrawArraysIndirect;
 GLEW_FUN_EXPORT PFNGLDRAWELEMENTSINDIRECTPROC __glewDrawElementsIndirect;
 
-GLEW_FUN_EXPORT PFNGLDRAWARRAYSINSTANCEDARBPROC __glewDrawArraysInstancedARB;
-GLEW_FUN_EXPORT PFNGLDRAWELEMENTSINSTANCEDARBPROC __glewDrawElementsInstancedARB;
-
 GLEW_FUN_EXPORT PFNGLBINDFRAMEBUFFERPROC __glewBindFramebuffer;
 GLEW_FUN_EXPORT PFNGLBINDRENDERBUFFERPROC __glewBindRenderbuffer;
 GLEW_FUN_EXPORT PFNGLBLITFRAMEBUFFERPROC __glewBlitFramebuffer;
@@ -13234,6 +13368,8 @@ GLEW_FUN_EXPORT PFNGLRESETHISTOGRAMPROC __glewResetHistogram;
 GLEW_FUN_EXPORT PFNGLRESETMINMAXPROC __glewResetMinmax;
 GLEW_FUN_EXPORT PFNGLSEPARABLEFILTER2DPROC __glewSeparableFilter2D;
 
+GLEW_FUN_EXPORT PFNGLDRAWARRAYSINSTANCEDARBPROC __glewDrawArraysInstancedARB;
+GLEW_FUN_EXPORT PFNGLDRAWELEMENTSINSTANCEDARBPROC __glewDrawElementsInstancedARB;
 GLEW_FUN_EXPORT PFNGLVERTEXATTRIBDIVISORARBPROC __glewVertexAttribDivisorARB;
 
 GLEW_FUN_EXPORT PFNGLFLUSHMAPPEDBUFFERRANGEPROC __glewFlushMappedBufferRange;
@@ -13711,8 +13847,8 @@ GLEW_FUN_EXPORT PFNGLSETFRAGMENTSHADERCONSTANTATIPROC __glewSetFragmentShaderCon
 GLEW_FUN_EXPORT PFNGLMAPOBJECTBUFFERATIPROC __glewMapObjectBufferATI;
 GLEW_FUN_EXPORT PFNGLUNMAPOBJECTBUFFERATIPROC __glewUnmapObjectBufferATI;
 
-GLEW_FUN_EXPORT PFNGLPNTRIANGLESFATIPROC __glPNTrianglewesfATI;
-GLEW_FUN_EXPORT PFNGLPNTRIANGLESIATIPROC __glPNTrianglewesiATI;
+GLEW_FUN_EXPORT PFNGLPNTRIANGLESFATIPROC __glewPNTrianglesfATI;
+GLEW_FUN_EXPORT PFNGLPNTRIANGLESIATIPROC __glewPNTrianglesiATI;
 
 GLEW_FUN_EXPORT PFNGLSTENCILFUNCSEPARATEATIPROC __glewStencilFuncSeparateATI;
 GLEW_FUN_EXPORT PFNGLSTENCILOPSEPARATEATIPROC __glewStencilOpSeparateATI;
@@ -14093,7 +14229,6 @@ GLEW_FUN_EXPORT PFNGLRENDERBUFFERSTORAGEEXTPROC __glewRenderbufferStorageEXT;
 
 GLEW_FUN_EXPORT PFNGLFRAMEBUFFERTEXTUREEXTPROC __glewFramebufferTextureEXT;
 GLEW_FUN_EXPORT PFNGLFRAMEBUFFERTEXTUREFACEEXTPROC __glewFramebufferTextureFaceEXT;
-GLEW_FUN_EXPORT PFNGLFRAMEBUFFERTEXTURELAYEREXTPROC __glewFramebufferTextureLayerEXT;
 GLEW_FUN_EXPORT PFNGLPROGRAMPARAMETERIEXTPROC __glewProgramParameteriEXT;
 
 GLEW_FUN_EXPORT PFNGLPROGRAMENVPARAMETERS4FVEXTPROC __glewProgramEnvParameters4fvEXT;
@@ -14214,6 +14349,8 @@ GLEW_FUN_EXPORT PFNGLTEXSUBIMAGE3DEXTPROC __glewTexSubImage3DEXT;
 
 GLEW_FUN_EXPORT PFNGLTEXIMAGE3DEXTPROC __glewTexImage3DEXT;
 
+GLEW_FUN_EXPORT PFNGLFRAMEBUFFERTEXTURELAYEREXTPROC __glewFramebufferTextureLayerEXT;
+
 GLEW_FUN_EXPORT PFNGLTEXBUFFEREXTPROC __glewTexBufferEXT;
 
 GLEW_FUN_EXPORT PFNGLCLEARCOLORIIEXTPROC __glewClearColorIiEXT;
@@ -14311,6 +14448,8 @@ GLEW_FUN_EXPORT PFNGLVERTEXWEIGHTPOINTEREXTPROC __glewVertexWeightPointerEXT;
 GLEW_FUN_EXPORT PFNGLVERTEXWEIGHTFEXTPROC __glewVertexWeightfEXT;
 GLEW_FUN_EXPORT PFNGLVERTEXWEIGHTFVEXTPROC __glewVertexWeightfvEXT;
 
+GLEW_FUN_EXPORT PFNGLIMPORTSYNCEXTPROC __glewImportSyncEXT;
+
 GLEW_FUN_EXPORT PFNGLFRAMETERMINATORGREMEDYPROC __glewFrameTerminatorGREMEDY;
 
 GLEW_FUN_EXPORT PFNGLSTRINGMARKERGREMEDYPROC __glewStringMarkerGREMEDY;
@@ -14573,6 +14712,13 @@ GLEW_FUN_EXPORT PFNGLUNIFORMUI64VNVPROC __glewUniformui64vNV;
 
 GLEW_FUN_EXPORT PFNGLTEXTUREBARRIERNVPROC __glewTextureBarrierNV;
 
+GLEW_FUN_EXPORT PFNGLTEXIMAGE2DMULTISAMPLECOVERAGENVPROC __glewTexImage2DMultisampleCoverageNV;
+GLEW_FUN_EXPORT PFNGLTEXIMAGE3DMULTISAMPLECOVERAGENVPROC __glewTexImage3DMultisampleCoverageNV;
+GLEW_FUN_EXPORT PFNGLTEXTUREIMAGE2DMULTISAMPLECOVERAGENVPROC __glewTextureImage2DMultisampleCoverageNV;
+GLEW_FUN_EXPORT PFNGLTEXTUREIMAGE2DMULTISAMPLENVPROC __glewTextureImage2DMultisampleNV;
+GLEW_FUN_EXPORT PFNGLTEXTUREIMAGE3DMULTISAMPLECOVERAGENVPROC __glewTextureImage3DMultisampleCoverageNV;
+GLEW_FUN_EXPORT PFNGLTEXTUREIMAGE3DMULTISAMPLENVPROC __glewTextureImage3DMultisampleNV;
+
 GLEW_FUN_EXPORT PFNGLACTIVEVARYINGNVPROC __glewActiveVaryingNV;
 GLEW_FUN_EXPORT PFNGLBEGINTRANSFORMFEEDBACKNVPROC __glewBeginTransformFeedbackNV;
 GLEW_FUN_EXPORT PFNGLBINDBUFFERBASENVPROC __glewBindBufferBaseNV;
@@ -14705,6 +14851,19 @@ GLEW_FUN_EXPORT PFNGLVERTEXATTRIBS4FVNVPROC __glewVertexAttribs4fvNV;
 GLEW_FUN_EXPORT PFNGLVERTEXATTRIBS4SVNVPROC __glewVertexAttribs4svNV;
 GLEW_FUN_EXPORT PFNGLVERTEXATTRIBS4UBVNVPROC __glewVertexAttribs4ubvNV;
 
+GLEW_FUN_EXPORT PFNGLBEGINVIDEOCAPTURENVPROC __glewBeginVideoCaptureNV;
+GLEW_FUN_EXPORT PFNGLBINDVIDEOCAPTURESTREAMBUFFERNVPROC __glewBindVideoCaptureStreamBufferNV;
+GLEW_FUN_EXPORT PFNGLBINDVIDEOCAPTURESTREAMTEXTURENVPROC __glewBindVideoCaptureStreamTextureNV;
+GLEW_FUN_EXPORT PFNGLENDVIDEOCAPTURENVPROC __glewEndVideoCaptureNV;
+GLEW_FUN_EXPORT PFNGLGETVIDEOCAPTURESTREAMDVNVPROC __glewGetVideoCaptureStreamdvNV;
+GLEW_FUN_EXPORT PFNGLGETVIDEOCAPTURESTREAMFVNVPROC __glewGetVideoCaptureStreamfvNV;
+GLEW_FUN_EXPORT PFNGLGETVIDEOCAPTURESTREAMIVNVPROC __glewGetVideoCaptureStreamivNV;
+GLEW_FUN_EXPORT PFNGLGETVIDEOCAPTUREIVNVPROC __glewGetVideoCaptureivNV;
+GLEW_FUN_EXPORT PFNGLVIDEOCAPTURENVPROC __glewVideoCaptureNV;
+GLEW_FUN_EXPORT PFNGLVIDEOCAPTURESTREAMPARAMETERDVNVPROC __glewVideoCaptureStreamParameterdvNV;
+GLEW_FUN_EXPORT PFNGLVIDEOCAPTURESTREAMPARAMETERFVNVPROC __glewVideoCaptureStreamParameterfvNV;
+GLEW_FUN_EXPORT PFNGLVIDEOCAPTURESTREAMPARAMETERIVNVPROC __glewVideoCaptureStreamParameterivNV;
+
 GLEW_FUN_EXPORT PFNGLCLEARDEPTHFOESPROC __glewClearDepthfOES;
 GLEW_FUN_EXPORT PFNGLCLIPPLANEFOESPROC __glewClipPlanefOES;
 GLEW_FUN_EXPORT PFNGLDEPTHRANGEFOESPROC __glewDepthRangefOES;
@@ -14866,12 +15025,14 @@ GLEW_VAR_EXPORT GLboolean __GLEW_VERSION_4_1;
 GLEW_VAR_EXPORT GLboolean __GLEW_3DFX_multisample;
 GLEW_VAR_EXPORT GLboolean __GLEW_3DFX_tbuffer;
 GLEW_VAR_EXPORT GLboolean __GLEW_3DFX_texture_compression_FXT1;
+GLEW_VAR_EXPORT GLboolean __GLEW_AMD_blend_minmax_factor;
 GLEW_VAR_EXPORT GLboolean __GLEW_AMD_conservative_depth;
 GLEW_VAR_EXPORT GLboolean __GLEW_AMD_debug_output;
 GLEW_VAR_EXPORT GLboolean __GLEW_AMD_depth_clamp_separate;
 GLEW_VAR_EXPORT GLboolean __GLEW_AMD_draw_buffers_blend;
 GLEW_VAR_EXPORT GLboolean __GLEW_AMD_name_gen_delete;
 GLEW_VAR_EXPORT GLboolean __GLEW_AMD_performance_monitor;
+GLEW_VAR_EXPORT GLboolean __GLEW_AMD_sample_positions;
 GLEW_VAR_EXPORT GLboolean __GLEW_AMD_seamless_cubemap_per_texture;
 GLEW_VAR_EXPORT GLboolean __GLEW_AMD_shader_stencil_export;
 GLEW_VAR_EXPORT GLboolean __GLEW_AMD_texture_texture4;
@@ -15106,6 +15267,7 @@ GLEW_VAR_EXPORT GLboolean __GLEW_EXT_vertex_array_bgra;
 GLEW_VAR_EXPORT GLboolean __GLEW_EXT_vertex_attrib_64bit;
 GLEW_VAR_EXPORT GLboolean __GLEW_EXT_vertex_shader;
 GLEW_VAR_EXPORT GLboolean __GLEW_EXT_vertex_weighting;
+GLEW_VAR_EXPORT GLboolean __GLEW_EXT_x11_sync_object;
 GLEW_VAR_EXPORT GLboolean __GLEW_GREMEDY_frame_terminator;
 GLEW_VAR_EXPORT GLboolean __GLEW_GREMEDY_string_marker;
 GLEW_VAR_EXPORT GLboolean __GLEW_HP_convolution_border_modes;
@@ -15174,6 +15336,7 @@ GLEW_VAR_EXPORT GLboolean __GLEW_NV_texture_barrier;
 GLEW_VAR_EXPORT GLboolean __GLEW_NV_texture_compression_vtc;
 GLEW_VAR_EXPORT GLboolean __GLEW_NV_texture_env_combine4;
 GLEW_VAR_EXPORT GLboolean __GLEW_NV_texture_expand_normal;
+GLEW_VAR_EXPORT GLboolean __GLEW_NV_texture_multisample;
 GLEW_VAR_EXPORT GLboolean __GLEW_NV_texture_rectangle;
 GLEW_VAR_EXPORT GLboolean __GLEW_NV_texture_shader;
 GLEW_VAR_EXPORT GLboolean __GLEW_NV_texture_shader2;
@@ -15191,6 +15354,7 @@ GLEW_VAR_EXPORT GLboolean __GLEW_NV_vertex_program2;
 GLEW_VAR_EXPORT GLboolean __GLEW_NV_vertex_program2_option;
 GLEW_VAR_EXPORT GLboolean __GLEW_NV_vertex_program3;
 GLEW_VAR_EXPORT GLboolean __GLEW_NV_vertex_program4;
+GLEW_VAR_EXPORT GLboolean __GLEW_NV_video_capture;
 GLEW_VAR_EXPORT GLboolean __GLEW_OES_byte_coordinates;
 GLEW_VAR_EXPORT GLboolean __GLEW_OES_compressed_paletted_texture;
 GLEW_VAR_EXPORT GLboolean __GLEW_OES_read_format;
diff --git a/extern/glew/include/GL/glxew.h b/extern/glew/include/GL/glxew.h
index 68fcac295be..2995318f691 100644
--- a/extern/glew/include/GL/glxew.h
+++ b/extern/glew/include/GL/glxew.h
@@ -876,6 +876,33 @@ typedef void ( * PFNGLXFREEMEMORYNVPROC) (void *pointer);
 
 #endif /* GLX_NV_vertex_array_range */
 
+/* -------------------------- GLX_NV_video_capture ------------------------- */
+
+#ifndef GLX_NV_video_capture
+#define GLX_NV_video_capture 1
+
+#define GLX_DEVICE_ID_NV 0x20CD
+#define GLX_UNIQUE_ID_NV 0x20CE
+#define GLX_NUM_VIDEO_CAPTURE_SLOTS_NV 0x20CF
+
+typedef XID GLXVideoCaptureDeviceNV;
+
+typedef int ( * PFNGLXBINDVIDEOCAPTUREDEVICENVPROC) (Display* dpy, unsigned int video_capture_slot, GLXVideoCaptureDeviceNV device);
+typedef GLXVideoCaptureDeviceNV * ( * PFNGLXENUMERATEVIDEOCAPTUREDEVICESNVPROC) (Display* dpy, int screen, int *nelements);
+typedef void ( * PFNGLXLOCKVIDEOCAPTUREDEVICENVPROC) (Display* dpy, GLXVideoCaptureDeviceNV device);
+typedef int ( * PFNGLXQUERYVIDEOCAPTUREDEVICENVPROC) (Display* dpy, GLXVideoCaptureDeviceNV device, int attribute, int *value);
+typedef void ( * PFNGLXRELEASEVIDEOCAPTUREDEVICENVPROC) (Display* dpy, GLXVideoCaptureDeviceNV device);
+
+#define glXBindVideoCaptureDeviceNV GLXEW_GET_FUN(__glewXBindVideoCaptureDeviceNV)
+#define glXEnumerateVideoCaptureDevicesNV GLXEW_GET_FUN(__glewXEnumerateVideoCaptureDevicesNV)
+#define glXLockVideoCaptureDeviceNV GLXEW_GET_FUN(__glewXLockVideoCaptureDeviceNV)
+#define glXQueryVideoCaptureDeviceNV GLXEW_GET_FUN(__glewXQueryVideoCaptureDeviceNV)
+#define glXReleaseVideoCaptureDeviceNV GLXEW_GET_FUN(__glewXReleaseVideoCaptureDeviceNV)
+
+#define GLXEW_NV_video_capture GLXEW_GET_VAR(__GLXEW_NV_video_capture)
+
+#endif /* GLX_NV_video_capture */
+
 /* -------------------------- GLX_NV_video_output -------------------------- */
 
 #ifndef GLX_NV_video_output
@@ -926,8 +953,7 @@ typedef int ( * PFNGLXSENDPBUFFERTOVIDEONVPROC) (Display* dpy, GLXPbuffer pbuf,
 
 /* -------------------------- GLX_OML_sync_control ------------------------- */
 
-#if !defined(GLX_OML_sync_control) && defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
-#include <inttypes.h>
+#ifndef GLX_OML_sync_control
 #define GLX_OML_sync_control 1
 
 typedef Bool ( * PFNGLXGETMSCRATEOMLPROC) (Display* dpy, GLXDrawable drawable, int32_t* numerator, int32_t* denominator);
@@ -1374,6 +1400,12 @@ extern PFNGLXRESETFRAMECOUNTNVPROC __glewXResetFrameCountNV;
 extern PFNGLXALLOCATEMEMORYNVPROC __glewXAllocateMemoryNV;
 extern PFNGLXFREEMEMORYNVPROC __glewXFreeMemoryNV;
 
+extern PFNGLXBINDVIDEOCAPTUREDEVICENVPROC __glewXBindVideoCaptureDeviceNV;
+extern PFNGLXENUMERATEVIDEOCAPTUREDEVICESNVPROC __glewXEnumerateVideoCaptureDevicesNV;
+extern PFNGLXLOCKVIDEOCAPTUREDEVICENVPROC __glewXLockVideoCaptureDeviceNV;
+extern PFNGLXQUERYVIDEOCAPTUREDEVICENVPROC __glewXQueryVideoCaptureDeviceNV;
+extern PFNGLXRELEASEVIDEOCAPTUREDEVICENVPROC __glewXReleaseVideoCaptureDeviceNV;
+
 extern PFNGLXBINDVIDEOIMAGENVPROC __glewXBindVideoImageNV;
 extern PFNGLXGETVIDEODEVICENVPROC __glewXGetVideoDeviceNV;
 extern PFNGLXGETVIDEOINFONVPROC __glewXGetVideoInfoNV;
@@ -1381,13 +1413,11 @@ extern PFNGLXRELEASEVIDEODEVICENVPROC __glewXReleaseVideoDeviceNV;
 extern PFNGLXRELEASEVIDEOIMAGENVPROC __glewXReleaseVideoImageNV;
 extern PFNGLXSENDPBUFFERTOVIDEONVPROC __glewXSendPbufferToVideoNV;
 
-#ifdef GLX_OML_sync_control
 extern PFNGLXGETMSCRATEOMLPROC __glewXGetMscRateOML;
 extern PFNGLXGETSYNCVALUESOMLPROC __glewXGetSyncValuesOML;
 extern PFNGLXSWAPBUFFERSMSCOMLPROC __glewXSwapBuffersMscOML;
 extern PFNGLXWAITFORMSCOMLPROC __glewXWaitForMscOML;
 extern PFNGLXWAITFORSBCOMLPROC __glewXWaitForSbcOML;
-#endif
 
 extern PFNGLXCHOOSEFBCONFIGSGIXPROC __glewXChooseFBConfigSGIX;
 extern PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC __glewXCreateContextWithConfigSGIX;
@@ -1480,6 +1510,7 @@ GLXEW_EXPORT GLboolean __GLXEW_NV_multisample_coverage;
 GLXEW_EXPORT GLboolean __GLXEW_NV_present_video;
 GLXEW_EXPORT GLboolean __GLXEW_NV_swap_group;
 GLXEW_EXPORT GLboolean __GLXEW_NV_vertex_array_range;
+GLXEW_EXPORT GLboolean __GLXEW_NV_video_capture;
 GLXEW_EXPORT GLboolean __GLXEW_NV_video_output;
 GLXEW_EXPORT GLboolean __GLXEW_OML_swap_method;
 GLXEW_EXPORT GLboolean __GLXEW_OML_sync_control;
diff --git a/extern/glew/include/GL/wglew.h b/extern/glew/include/GL/wglew.h
index ab01d343a51..deb64682811 100644
--- a/extern/glew/include/GL/wglew.h
+++ b/extern/glew/include/GL/wglew.h
@@ -141,7 +141,7 @@ typedef BOOL (WINAPI * PFNWGLDELETEASSOCIATEDCONTEXTAMDPROC) (HGLRC hglrc);
 typedef UINT (WINAPI * PFNWGLGETCONTEXTGPUIDAMDPROC) (HGLRC hglrc);
 typedef HGLRC (WINAPI * PFNWGLGETCURRENTASSOCIATEDCONTEXTAMDPROC) (void);
 typedef UINT (WINAPI * PFNWGLGETGPUIDSAMDPROC) (UINT maxCount, UINT* ids);
-//XXX-blender, added: typedef INT (WINAPI * PFNWGLGETGPUINFOAMDPROC) (UINT id, INT property, GLenum dataType, UINT size, void* data);
+typedef INT (WINAPI * PFNWGLGETGPUINFOAMDPROC) (UINT id, INT property, GLenum dataType, UINT size, void* data);
 typedef BOOL (WINAPI * PFNWGLMAKEASSOCIATEDCONTEXTCURRENTAMDPROC) (HGLRC hglrc);
 
 #define wglBlitContextFramebufferAMD WGLEW_GET_FUN(__wglewBlitContextFramebufferAMD)
@@ -831,6 +831,37 @@ typedef BOOL (WINAPI * PFNWGLQUERYFRAMETRACKINGI3DPROC) (DWORD* pFrameCount, DWO
 
 #endif /* WGL_I3D_swap_frame_usage */
 
+/* --------------------------- WGL_NV_DX_interop --------------------------- */
+
+#ifndef WGL_NV_DX_interop
+#define WGL_NV_DX_interop 1
+
+#define WGL_ACCESS_READ_ONLY_NV 0x0000
+#define WGL_ACCESS_READ_WRITE_NV 0x0001
+#define WGL_ACCESS_WRITE_DISCARD_NV 0x0002
+
+typedef BOOL (WINAPI * PFNWGLDXCLOSEDEVICENVPROC) (HANDLE hDevice);
+typedef BOOL (WINAPI * PFNWGLDXLOCKOBJECTSNVPROC) (HANDLE hDevice, GLint count, HANDLE* hObjects);
+typedef BOOL (WINAPI * PFNWGLDXOBJECTACCESSNVPROC) (HANDLE hObject, GLenum access);
+typedef HANDLE (WINAPI * PFNWGLDXOPENDEVICENVPROC) (void* dxDevice);
+typedef HANDLE (WINAPI * PFNWGLDXREGISTEROBJECTNVPROC) (HANDLE hDevice, void* dxObject, GLuint name, GLenum type, GLenum access);
+typedef BOOL (WINAPI * PFNWGLDXSETRESOURCESHAREHANDLENVPROC) (void* dxObject, HANDLE shareHandle);
+typedef BOOL (WINAPI * PFNWGLDXUNLOCKOBJECTSNVPROC) (HANDLE hDevice, GLint count, HANDLE* hObjects);
+typedef BOOL (WINAPI * PFNWGLDXUNREGISTEROBJECTNVPROC) (HANDLE hDevice, HANDLE hObject);
+
+#define wglDXCloseDeviceNV WGLEW_GET_FUN(__wglewDXCloseDeviceNV)
+#define wglDXLockObjectsNV WGLEW_GET_FUN(__wglewDXLockObjectsNV)
+#define wglDXObjectAccessNV WGLEW_GET_FUN(__wglewDXObjectAccessNV)
+#define wglDXOpenDeviceNV WGLEW_GET_FUN(__wglewDXOpenDeviceNV)
+#define wglDXRegisterObjectNV WGLEW_GET_FUN(__wglewDXRegisterObjectNV)
+#define wglDXSetResourceShareHandleNV WGLEW_GET_FUN(__wglewDXSetResourceShareHandleNV)
+#define wglDXUnlockObjectsNV WGLEW_GET_FUN(__wglewDXUnlockObjectsNV)
+#define wglDXUnregisterObjectNV WGLEW_GET_FUN(__wglewDXUnregisterObjectNV)
+
+#define WGLEW_NV_DX_interop WGLEW_GET_VAR(__WGLEW_NV_DX_interop)
+
+#endif /* WGL_NV_DX_interop */
+
 /* --------------------------- WGL_NV_copy_image --------------------------- */
 
 #ifndef WGL_NV_copy_image
@@ -996,6 +1027,32 @@ typedef void (WINAPI * PFNWGLFREEMEMORYNVPROC) (void *pointer);
 
 #endif /* WGL_NV_vertex_array_range */
 
+/* -------------------------- WGL_NV_video_capture ------------------------- */
+
+#ifndef WGL_NV_video_capture
+#define WGL_NV_video_capture 1
+
+#define WGL_UNIQUE_ID_NV 0x20CE
+#define WGL_NUM_VIDEO_CAPTURE_SLOTS_NV 0x20CF
+
+DECLARE_HANDLE(HVIDEOINPUTDEVICENV);
+
+typedef BOOL (WINAPI * PFNWGLBINDVIDEOCAPTUREDEVICENVPROC) (UINT uVideoSlot, HVIDEOINPUTDEVICENV hDevice);
+typedef UINT (WINAPI * PFNWGLENUMERATEVIDEOCAPTUREDEVICESNVPROC) (HDC hDc, HVIDEOINPUTDEVICENV* phDeviceList);
+typedef BOOL (WINAPI * PFNWGLLOCKVIDEOCAPTUREDEVICENVPROC) (HDC hDc, HVIDEOINPUTDEVICENV hDevice);
+typedef BOOL (WINAPI * PFNWGLQUERYVIDEOCAPTUREDEVICENVPROC) (HDC hDc, HVIDEOINPUTDEVICENV hDevice, int iAttribute, int* piValue);
+typedef BOOL (WINAPI * PFNWGLRELEASEVIDEOCAPTUREDEVICENVPROC) (HDC hDc, HVIDEOINPUTDEVICENV hDevice);
+
+#define wglBindVideoCaptureDeviceNV WGLEW_GET_FUN(__wglewBindVideoCaptureDeviceNV)
+#define wglEnumerateVideoCaptureDevicesNV WGLEW_GET_FUN(__wglewEnumerateVideoCaptureDevicesNV)
+#define wglLockVideoCaptureDeviceNV WGLEW_GET_FUN(__wglewLockVideoCaptureDeviceNV)
+#define wglQueryVideoCaptureDeviceNV WGLEW_GET_FUN(__wglewQueryVideoCaptureDeviceNV)
+#define wglReleaseVideoCaptureDeviceNV WGLEW_GET_FUN(__wglewReleaseVideoCaptureDeviceNV)
+
+#define WGLEW_NV_video_capture WGLEW_GET_VAR(__WGLEW_NV_video_capture)
+
+#endif /* WGL_NV_video_capture */
+
 /* -------------------------- WGL_NV_video_output -------------------------- */
 
 #ifndef WGL_NV_video_output
@@ -1080,7 +1137,7 @@ WGLEW_EXPORT PFNWGLDELETEASSOCIATEDCONTEXTAMDPROC __wglewDeleteAssociatedContext
 WGLEW_EXPORT PFNWGLGETCONTEXTGPUIDAMDPROC __wglewGetContextGPUIDAMD;
 WGLEW_EXPORT PFNWGLGETCURRENTASSOCIATEDCONTEXTAMDPROC __wglewGetCurrentAssociatedContextAMD;
 WGLEW_EXPORT PFNWGLGETGPUIDSAMDPROC __wglewGetGPUIDsAMD;
-//XXX-blender, added: WGLEW_EXPORT PFNWGLGETGPUINFOAMDPROC __wglewGetGPUInfoAMD;
+WGLEW_EXPORT PFNWGLGETGPUINFOAMDPROC __wglewGetGPUInfoAMD;
 WGLEW_EXPORT PFNWGLMAKEASSOCIATEDCONTEXTCURRENTAMDPROC __wglewMakeAssociatedContextCurrentAMD;
 
 WGLEW_EXPORT PFNWGLCREATEBUFFERREGIONARBPROC __wglewCreateBufferRegionARB;
@@ -1168,6 +1225,15 @@ WGLEW_EXPORT PFNWGLENDFRAMETRACKINGI3DPROC __wglewEndFrameTrackingI3D;
 WGLEW_EXPORT PFNWGLGETFRAMEUSAGEI3DPROC __wglewGetFrameUsageI3D;
 WGLEW_EXPORT PFNWGLQUERYFRAMETRACKINGI3DPROC __wglewQueryFrameTrackingI3D;
 
+WGLEW_EXPORT PFNWGLDXCLOSEDEVICENVPROC __wglewDXCloseDeviceNV;
+WGLEW_EXPORT PFNWGLDXLOCKOBJECTSNVPROC __wglewDXLockObjectsNV;
+WGLEW_EXPORT PFNWGLDXOBJECTACCESSNVPROC __wglewDXObjectAccessNV;
+WGLEW_EXPORT PFNWGLDXOPENDEVICENVPROC __wglewDXOpenDeviceNV;
+WGLEW_EXPORT PFNWGLDXREGISTEROBJECTNVPROC __wglewDXRegisterObjectNV;
+WGLEW_EXPORT PFNWGLDXSETRESOURCESHAREHANDLENVPROC __wglewDXSetResourceShareHandleNV;
+WGLEW_EXPORT PFNWGLDXUNLOCKOBJECTSNVPROC __wglewDXUnlockObjectsNV;
+WGLEW_EXPORT PFNWGLDXUNREGISTEROBJECTNVPROC __wglewDXUnregisterObjectNV;
+
 WGLEW_EXPORT PFNWGLCOPYIMAGESUBDATANVPROC __wglewCopyImageSubDataNV;
 
 WGLEW_EXPORT PFNWGLCREATEAFFINITYDCNVPROC __wglewCreateAffinityDCNV;
@@ -1190,6 +1256,12 @@ WGLEW_EXPORT PFNWGLRESETFRAMECOUNTNVPROC __wglewResetFrameCountNV;
 WGLEW_EXPORT PFNWGLALLOCATEMEMORYNVPROC __wglewAllocateMemoryNV;
 WGLEW_EXPORT PFNWGLFREEMEMORYNVPROC __wglewFreeMemoryNV;
 
+WGLEW_EXPORT PFNWGLBINDVIDEOCAPTUREDEVICENVPROC __wglewBindVideoCaptureDeviceNV;
+WGLEW_EXPORT PFNWGLENUMERATEVIDEOCAPTUREDEVICESNVPROC __wglewEnumerateVideoCaptureDevicesNV;
+WGLEW_EXPORT PFNWGLLOCKVIDEOCAPTUREDEVICENVPROC __wglewLockVideoCaptureDeviceNV;
+WGLEW_EXPORT PFNWGLQUERYVIDEOCAPTUREDEVICENVPROC __wglewQueryVideoCaptureDeviceNV;
+WGLEW_EXPORT PFNWGLRELEASEVIDEOCAPTUREDEVICENVPROC __wglewReleaseVideoCaptureDeviceNV;
+
 WGLEW_EXPORT PFNWGLBINDVIDEOIMAGENVPROC __wglewBindVideoImageNV;
 WGLEW_EXPORT PFNWGLGETVIDEODEVICENVPROC __wglewGetVideoDeviceNV;
 WGLEW_EXPORT PFNWGLGETVIDEOINFONVPROC __wglewGetVideoInfoNV;
@@ -1237,6 +1309,7 @@ WGLEW_EXPORT GLboolean __WGLEW_I3D_genlock;
 WGLEW_EXPORT GLboolean __WGLEW_I3D_image_buffer;
 WGLEW_EXPORT GLboolean __WGLEW_I3D_swap_frame_lock;
 WGLEW_EXPORT GLboolean __WGLEW_I3D_swap_frame_usage;
+WGLEW_EXPORT GLboolean __WGLEW_NV_DX_interop;
 WGLEW_EXPORT GLboolean __WGLEW_NV_copy_image;
 WGLEW_EXPORT GLboolean __WGLEW_NV_float_buffer;
 WGLEW_EXPORT GLboolean __WGLEW_NV_gpu_affinity;
@@ -1246,6 +1319,7 @@ WGLEW_EXPORT GLboolean __WGLEW_NV_render_depth_texture;
 WGLEW_EXPORT GLboolean __WGLEW_NV_render_texture_rectangle;
 WGLEW_EXPORT GLboolean __WGLEW_NV_swap_group;
 WGLEW_EXPORT GLboolean __WGLEW_NV_vertex_array_range;
+WGLEW_EXPORT GLboolean __WGLEW_NV_video_capture;
 WGLEW_EXPORT GLboolean __WGLEW_NV_video_output;
 WGLEW_EXPORT GLboolean __WGLEW_OML_sync_control;
 
diff --git a/extern/glew/src/glew.c b/extern/glew/src/glew.c
index ddc97d3b445..b2244a03237 100644
--- a/extern/glew/src/glew.c
+++ b/extern/glew/src/glew.c
@@ -249,6 +249,26 @@ static GLboolean _glewStrSame3 (GLubyte** a, GLuint* na, const GLubyte* b, GLuin
   return GL_FALSE;
 }
 
+/*
+ * Search for name in the extensions string. Use of strstr()
+ * is not sufficient because extension names can be prefixes of
+ * other extension names. Could use strtok() but the constant
+ * string returned by glGetString might be in read-only memory.
+ */
+static GLboolean _glewSearchExtension (const char* name, const GLubyte *start, const GLubyte *end)
+{
+  const GLubyte* p;
+  GLuint len = _glewStrLen((const GLubyte*)name);
+  p = start;
+  while (p < end)
+  {
+    GLuint n = _glewStrCLen(p, ' ');
+    if (len == n && _glewStrSame((const GLubyte*)name, p, n)) return GL_TRUE;
+    p += n+1;
+  }
+  return GL_FALSE;
+}
+
 #if !defined(_WIN32) || !defined(GLEW_MX)
 
 PFNGLCOPYTEXSUBIMAGE3DPROC __glewCopyTexSubImage3D = NULL;
@@ -573,6 +593,8 @@ PFNGLGETPERFMONITORGROUPSTRINGAMDPROC __glewGetPerfMonitorGroupStringAMD = NULL;
 PFNGLGETPERFMONITORGROUPSAMDPROC __glewGetPerfMonitorGroupsAMD = NULL;
 PFNGLSELECTPERFMONITORCOUNTERSAMDPROC __glewSelectPerfMonitorCountersAMD = NULL;
 
+PFNGLSETMULTISAMPLEFVAMDPROC __glewSetMultisamplefvAMD = NULL;
+
 PFNGLTESSELLATIONFACTORAMDPROC __glewTessellationFactorAMD = NULL;
 PFNGLTESSELLATIONMODEAMDPROC __glewTessellationModeAMD = NULL;
 
@@ -653,9 +675,6 @@ PFNGLMULTIDRAWELEMENTSBASEVERTEXPROC __glewMultiDrawElementsBaseVertex = NULL;
 PFNGLDRAWARRAYSINDIRECTPROC __glewDrawArraysIndirect = NULL;
 PFNGLDRAWELEMENTSINDIRECTPROC __glewDrawElementsIndirect = NULL;
 
-PFNGLDRAWARRAYSINSTANCEDARBPROC __glewDrawArraysInstancedARB = NULL;
-PFNGLDRAWELEMENTSINSTANCEDARBPROC __glewDrawElementsInstancedARB = NULL;
-
 PFNGLBINDFRAMEBUFFERPROC __glewBindFramebuffer = NULL;
 PFNGLBINDRENDERBUFFERPROC __glewBindRenderbuffer = NULL;
 PFNGLBLITFRAMEBUFFERPROC __glewBlitFramebuffer = NULL;
@@ -755,6 +774,8 @@ PFNGLRESETHISTOGRAMPROC __glewResetHistogram = NULL;
 PFNGLRESETMINMAXPROC __glewResetMinmax = NULL;
 PFNGLSEPARABLEFILTER2DPROC __glewSeparableFilter2D = NULL;
 
+PFNGLDRAWARRAYSINSTANCEDARBPROC __glewDrawArraysInstancedARB = NULL;
+PFNGLDRAWELEMENTSINSTANCEDARBPROC __glewDrawElementsInstancedARB = NULL;
 PFNGLVERTEXATTRIBDIVISORARBPROC __glewVertexAttribDivisorARB = NULL;
 
 PFNGLFLUSHMAPPEDBUFFERRANGEPROC __glewFlushMappedBufferRange = NULL;
@@ -1232,8 +1253,8 @@ PFNGLSETFRAGMENTSHADERCONSTANTATIPROC __glewSetFragmentShaderConstantATI = NULL;
 PFNGLMAPOBJECTBUFFERATIPROC __glewMapObjectBufferATI = NULL;
 PFNGLUNMAPOBJECTBUFFERATIPROC __glewUnmapObjectBufferATI = NULL;
 
-PFNGLPNTRIANGLESFATIPROC __glPNTrianglewesfATI = NULL;
-PFNGLPNTRIANGLESIATIPROC __glPNTrianglewesiATI = NULL;
+PFNGLPNTRIANGLESFATIPROC __glewPNTrianglesfATI = NULL;
+PFNGLPNTRIANGLESIATIPROC __glewPNTrianglesiATI = NULL;
 
 PFNGLSTENCILFUNCSEPARATEATIPROC __glewStencilFuncSeparateATI = NULL;
 PFNGLSTENCILOPSEPARATEATIPROC __glewStencilOpSeparateATI = NULL;
@@ -1614,7 +1635,6 @@ PFNGLRENDERBUFFERSTORAGEEXTPROC __glewRenderbufferStorageEXT = NULL;
 
 PFNGLFRAMEBUFFERTEXTUREEXTPROC __glewFramebufferTextureEXT = NULL;
 PFNGLFRAMEBUFFERTEXTUREFACEEXTPROC __glewFramebufferTextureFaceEXT = NULL;
-PFNGLFRAMEBUFFERTEXTURELAYEREXTPROC __glewFramebufferTextureLayerEXT = NULL;
 PFNGLPROGRAMPARAMETERIEXTPROC __glewProgramParameteriEXT = NULL;
 
 PFNGLPROGRAMENVPARAMETERS4FVEXTPROC __glewProgramEnvParameters4fvEXT = NULL;
@@ -1735,6 +1755,8 @@ PFNGLTEXSUBIMAGE3DEXTPROC __glewTexSubImage3DEXT = NULL;
 
 PFNGLTEXIMAGE3DEXTPROC __glewTexImage3DEXT = NULL;
 
+PFNGLFRAMEBUFFERTEXTURELAYEREXTPROC __glewFramebufferTextureLayerEXT = NULL;
+
 PFNGLTEXBUFFEREXTPROC __glewTexBufferEXT = NULL;
 
 PFNGLCLEARCOLORIIEXTPROC __glewClearColorIiEXT = NULL;
@@ -1832,6 +1854,8 @@ PFNGLVERTEXWEIGHTPOINTEREXTPROC __glewVertexWeightPointerEXT = NULL;
 PFNGLVERTEXWEIGHTFEXTPROC __glewVertexWeightfEXT = NULL;
 PFNGLVERTEXWEIGHTFVEXTPROC __glewVertexWeightfvEXT = NULL;
 
+PFNGLIMPORTSYNCEXTPROC __glewImportSyncEXT = NULL;
+
 PFNGLFRAMETERMINATORGREMEDYPROC __glewFrameTerminatorGREMEDY = NULL;
 
 PFNGLSTRINGMARKERGREMEDYPROC __glewStringMarkerGREMEDY = NULL;
@@ -2094,6 +2118,13 @@ PFNGLUNIFORMUI64VNVPROC __glewUniformui64vNV = NULL;
 
 PFNGLTEXTUREBARRIERNVPROC __glewTextureBarrierNV = NULL;
 
+PFNGLTEXIMAGE2DMULTISAMPLECOVERAGENVPROC __glewTexImage2DMultisampleCoverageNV = NULL;
+PFNGLTEXIMAGE3DMULTISAMPLECOVERAGENVPROC __glewTexImage3DMultisampleCoverageNV = NULL;
+PFNGLTEXTUREIMAGE2DMULTISAMPLECOVERAGENVPROC __glewTextureImage2DMultisampleCoverageNV = NULL;
+PFNGLTEXTUREIMAGE2DMULTISAMPLENVPROC __glewTextureImage2DMultisampleNV = NULL;
+PFNGLTEXTUREIMAGE3DMULTISAMPLECOVERAGENVPROC __glewTextureImage3DMultisampleCoverageNV = NULL;
+PFNGLTEXTUREIMAGE3DMULTISAMPLENVPROC __glewTextureImage3DMultisampleNV = NULL;
+
 PFNGLACTIVEVARYINGNVPROC __glewActiveVaryingNV = NULL;
 PFNGLBEGINTRANSFORMFEEDBACKNVPROC __glewBeginTransformFeedbackNV = NULL;
 PFNGLBINDBUFFERBASENVPROC __glewBindBufferBaseNV = NULL;
@@ -2226,6 +2257,19 @@ PFNGLVERTEXATTRIBS4FVNVPROC __glewVertexAttribs4fvNV = NULL;
 PFNGLVERTEXATTRIBS4SVNVPROC __glewVertexAttribs4svNV = NULL;
 PFNGLVERTEXATTRIBS4UBVNVPROC __glewVertexAttribs4ubvNV = NULL;
 
+PFNGLBEGINVIDEOCAPTURENVPROC __glewBeginVideoCaptureNV = NULL;
+PFNGLBINDVIDEOCAPTURESTREAMBUFFERNVPROC __glewBindVideoCaptureStreamBufferNV = NULL;
+PFNGLBINDVIDEOCAPTURESTREAMTEXTURENVPROC __glewBindVideoCaptureStreamTextureNV = NULL;
+PFNGLENDVIDEOCAPTURENVPROC __glewEndVideoCaptureNV = NULL;
+PFNGLGETVIDEOCAPTURESTREAMDVNVPROC __glewGetVideoCaptureStreamdvNV = NULL;
+PFNGLGETVIDEOCAPTURESTREAMFVNVPROC __glewGetVideoCaptureStreamfvNV = NULL;
+PFNGLGETVIDEOCAPTURESTREAMIVNVPROC __glewGetVideoCaptureStreamivNV = NULL;
+PFNGLGETVIDEOCAPTUREIVNVPROC __glewGetVideoCaptureivNV = NULL;
+PFNGLVIDEOCAPTURENVPROC __glewVideoCaptureNV = NULL;
+PFNGLVIDEOCAPTURESTREAMPARAMETERDVNVPROC __glewVideoCaptureStreamParameterdvNV = NULL;
+PFNGLVIDEOCAPTURESTREAMPARAMETERFVNVPROC __glewVideoCaptureStreamParameterfvNV = NULL;
+PFNGLVIDEOCAPTURESTREAMPARAMETERIVNVPROC __glewVideoCaptureStreamParameterivNV = NULL;
+
 PFNGLCLEARDEPTHFOESPROC __glewClearDepthfOES = NULL;
 PFNGLCLIPPLANEFOESPROC __glewClipPlanefOES = NULL;
 PFNGLDEPTHRANGEFOESPROC __glewDepthRangefOES = NULL;
@@ -2386,12 +2430,14 @@ GLboolean __GLEW_VERSION_4_1 = GL_FALSE;
 GLboolean __GLEW_3DFX_multisample = GL_FALSE;
 GLboolean __GLEW_3DFX_tbuffer = GL_FALSE;
 GLboolean __GLEW_3DFX_texture_compression_FXT1 = GL_FALSE;
+GLboolean __GLEW_AMD_blend_minmax_factor = GL_FALSE;
 GLboolean __GLEW_AMD_conservative_depth = GL_FALSE;
 GLboolean __GLEW_AMD_debug_output = GL_FALSE;
 GLboolean __GLEW_AMD_depth_clamp_separate = GL_FALSE;
 GLboolean __GLEW_AMD_draw_buffers_blend = GL_FALSE;
 GLboolean __GLEW_AMD_name_gen_delete = GL_FALSE;
 GLboolean __GLEW_AMD_performance_monitor = GL_FALSE;
+GLboolean __GLEW_AMD_sample_positions = GL_FALSE;
 GLboolean __GLEW_AMD_seamless_cubemap_per_texture = GL_FALSE;
 GLboolean __GLEW_AMD_shader_stencil_export = GL_FALSE;
 GLboolean __GLEW_AMD_texture_texture4 = GL_FALSE;
@@ -2626,6 +2672,7 @@ GLboolean __GLEW_EXT_vertex_array_bgra = GL_FALSE;
 GLboolean __GLEW_EXT_vertex_attrib_64bit = GL_FALSE;
 GLboolean __GLEW_EXT_vertex_shader = GL_FALSE;
 GLboolean __GLEW_EXT_vertex_weighting = GL_FALSE;
+GLboolean __GLEW_EXT_x11_sync_object = GL_FALSE;
 GLboolean __GLEW_GREMEDY_frame_terminator = GL_FALSE;
 GLboolean __GLEW_GREMEDY_string_marker = GL_FALSE;
 GLboolean __GLEW_HP_convolution_border_modes = GL_FALSE;
@@ -2694,6 +2741,7 @@ GLboolean __GLEW_NV_texture_barrier = GL_FALSE;
 GLboolean __GLEW_NV_texture_compression_vtc = GL_FALSE;
 GLboolean __GLEW_NV_texture_env_combine4 = GL_FALSE;
 GLboolean __GLEW_NV_texture_expand_normal = GL_FALSE;
+GLboolean __GLEW_NV_texture_multisample = GL_FALSE;
 GLboolean __GLEW_NV_texture_rectangle = GL_FALSE;
 GLboolean __GLEW_NV_texture_shader = GL_FALSE;
 GLboolean __GLEW_NV_texture_shader2 = GL_FALSE;
@@ -2711,6 +2759,7 @@ GLboolean __GLEW_NV_vertex_program2 = GL_FALSE;
 GLboolean __GLEW_NV_vertex_program2_option = GL_FALSE;
 GLboolean __GLEW_NV_vertex_program3 = GL_FALSE;
 GLboolean __GLEW_NV_vertex_program4 = GL_FALSE;
+GLboolean __GLEW_NV_video_capture = GL_FALSE;
 GLboolean __GLEW_OES_byte_coordinates = GL_FALSE;
 GLboolean __GLEW_OES_compressed_paletted_texture = GL_FALSE;
 GLboolean __GLEW_OES_read_format = GL_FALSE;
@@ -3229,6 +3278,10 @@ static GLboolean _glewInit_GL_3DFX_tbuffer (GLEW_CONTEXT_ARG_DEF_INIT)
 
 #endif /* GL_3DFX_texture_compression_FXT1 */
 
+#ifdef GL_AMD_blend_minmax_factor
+
+#endif /* GL_AMD_blend_minmax_factor */
+
 #ifdef GL_AMD_conservative_depth
 
 #endif /* GL_AMD_conservative_depth */
@@ -3307,6 +3360,19 @@ static GLboolean _glewInit_GL_AMD_performance_monitor (GLEW_CONTEXT_ARG_DEF_INIT
 
 #endif /* GL_AMD_performance_monitor */
 
+#ifdef GL_AMD_sample_positions
+
+static GLboolean _glewInit_GL_AMD_sample_positions (GLEW_CONTEXT_ARG_DEF_INIT)
+{
+  GLboolean r = GL_FALSE;
+
+  r = ((glSetMultisamplefvAMD = (PFNGLSETMULTISAMPLEFVAMDPROC)glewGetProcAddress((const GLubyte*)"glSetMultisamplefvAMD")) == NULL) || r;
+
+  return r;
+}
+
+#endif /* GL_AMD_sample_positions */
+
 #ifdef GL_AMD_seamless_cubemap_per_texture
 
 #endif /* GL_AMD_seamless_cubemap_per_texture */
@@ -3666,16 +3732,6 @@ static GLboolean _glewInit_GL_ARB_draw_indirect (GLEW_CONTEXT_ARG_DEF_INIT)
 
 #ifdef GL_ARB_draw_instanced
 
-static GLboolean _glewInit_GL_ARB_draw_instanced (GLEW_CONTEXT_ARG_DEF_INIT)
-{
-  GLboolean r = GL_FALSE;
-
-  r = ((glDrawArraysInstancedARB = (PFNGLDRAWARRAYSINSTANCEDARBPROC)glewGetProcAddress((const GLubyte*)"glDrawArraysInstancedARB")) == NULL) || r;
-  r = ((glDrawElementsInstancedARB = (PFNGLDRAWELEMENTSINSTANCEDARBPROC)glewGetProcAddress((const GLubyte*)"glDrawElementsInstancedARB")) == NULL) || r;
-
-  return r;
-}
-
 #endif /* GL_ARB_draw_instanced */
 
 #ifdef GL_ARB_explicit_attrib_location
@@ -3875,6 +3931,8 @@ static GLboolean _glewInit_GL_ARB_instanced_arrays (GLEW_CONTEXT_ARG_DEF_INIT)
 {
   GLboolean r = GL_FALSE;
 
+  r = ((glDrawArraysInstancedARB = (PFNGLDRAWARRAYSINSTANCEDARBPROC)glewGetProcAddress((const GLubyte*)"glDrawArraysInstancedARB")) == NULL) || r;
+  r = ((glDrawElementsInstancedARB = (PFNGLDRAWELEMENTSINSTANCEDARBPROC)glewGetProcAddress((const GLubyte*)"glDrawElementsInstancedARB")) == NULL) || r;
   r = ((glVertexAttribDivisorARB = (PFNGLVERTEXATTRIBDIVISORARBPROC)glewGetProcAddress((const GLubyte*)"glVertexAttribDivisorARB")) == NULL) || r;
 
   return r;
@@ -5653,7 +5711,6 @@ static GLboolean _glewInit_GL_EXT_geometry_shader4 (GLEW_CONTEXT_ARG_DEF_INIT)
 
   r = ((glFramebufferTextureEXT = (PFNGLFRAMEBUFFERTEXTUREEXTPROC)glewGetProcAddress((const GLubyte*)"glFramebufferTextureEXT")) == NULL) || r;
   r = ((glFramebufferTextureFaceEXT = (PFNGLFRAMEBUFFERTEXTUREFACEEXTPROC)glewGetProcAddress((const GLubyte*)"glFramebufferTextureFaceEXT")) == NULL) || r;
-  r = ((glFramebufferTextureLayerEXT = (PFNGLFRAMEBUFFERTEXTURELAYEREXTPROC)glewGetProcAddress((const GLubyte*)"glFramebufferTextureLayerEXT")) == NULL) || r;
   r = ((glProgramParameteriEXT = (PFNGLPROGRAMPARAMETERIEXTPROC)glewGetProcAddress((const GLubyte*)"glProgramParameteriEXT")) == NULL) || r;
 
   return r;
@@ -6061,6 +6118,15 @@ static GLboolean _glewInit_GL_EXT_texture3D (GLEW_CONTEXT_ARG_DEF_INIT)
 
 #ifdef GL_EXT_texture_array
 
+static GLboolean _glewInit_GL_EXT_texture_array (GLEW_CONTEXT_ARG_DEF_INIT)
+{
+  GLboolean r = GL_FALSE;
+
+  r = ((glFramebufferTextureLayerEXT = (PFNGLFRAMEBUFFERTEXTURELAYEREXTPROC)glewGetProcAddress((const GLubyte*)"glFramebufferTextureLayerEXT")) == NULL) || r;
+
+  return r;
+}
+
 #endif /* GL_EXT_texture_array */
 
 #ifdef GL_EXT_texture_buffer_object
@@ -6350,6 +6416,19 @@ static GLboolean _glewInit_GL_EXT_vertex_weighting (GLEW_CONTEXT_ARG_DEF_INIT)
 
 #endif /* GL_EXT_vertex_weighting */
 
+#ifdef GL_EXT_x11_sync_object
+
+static GLboolean _glewInit_GL_EXT_x11_sync_object (GLEW_CONTEXT_ARG_DEF_INIT)
+{
+  GLboolean r = GL_FALSE;
+
+  r = ((glImportSyncEXT = (PFNGLIMPORTSYNCEXTPROC)glewGetProcAddress((const GLubyte*)"glImportSyncEXT")) == NULL) || r;
+
+  return r;
+}
+
+#endif /* GL_EXT_x11_sync_object */
+
 #ifdef GL_GREMEDY_frame_terminator
 
 static GLboolean _glewInit_GL_GREMEDY_frame_terminator (GLEW_CONTEXT_ARG_DEF_INIT)
@@ -7108,6 +7187,24 @@ static GLboolean _glewInit_GL_NV_texture_barrier (GLEW_CONTEXT_ARG_DEF_INIT)
 
 #endif /* GL_NV_texture_expand_normal */
 
+#ifdef GL_NV_texture_multisample
+
+static GLboolean _glewInit_GL_NV_texture_multisample (GLEW_CONTEXT_ARG_DEF_INIT)
+{
+  GLboolean r = GL_FALSE;
+
+  r = ((glTexImage2DMultisampleCoverageNV = (PFNGLTEXIMAGE2DMULTISAMPLECOVERAGENVPROC)glewGetProcAddress((const GLubyte*)"glTexImage2DMultisampleCoverageNV")) == NULL) || r;
+  r = ((glTexImage3DMultisampleCoverageNV = (PFNGLTEXIMAGE3DMULTISAMPLECOVERAGENVPROC)glewGetProcAddress((const GLubyte*)"glTexImage3DMultisampleCoverageNV")) == NULL) || r;
+  r = ((glTextureImage2DMultisampleCoverageNV = (PFNGLTEXTUREIMAGE2DMULTISAMPLECOVERAGENVPROC)glewGetProcAddress((const GLubyte*)"glTextureImage2DMultisampleCoverageNV")) == NULL) || r;
+  r = ((glTextureImage2DMultisampleNV = (PFNGLTEXTUREIMAGE2DMULTISAMPLENVPROC)glewGetProcAddress((const GLubyte*)"glTextureImage2DMultisampleNV")) == NULL) || r;
+  r = ((glTextureImage3DMultisampleCoverageNV = (PFNGLTEXTUREIMAGE3DMULTISAMPLECOVERAGENVPROC)glewGetProcAddress((const GLubyte*)"glTextureImage3DMultisampleCoverageNV")) == NULL) || r;
+  r = ((glTextureImage3DMultisampleNV = (PFNGLTEXTUREIMAGE3DMULTISAMPLENVPROC)glewGetProcAddress((const GLubyte*)"glTextureImage3DMultisampleNV")) == NULL) || r;
+
+  return r;
+}
+
+#endif /* GL_NV_texture_multisample */
+
 #ifdef GL_NV_texture_rectangle
 
 #endif /* GL_NV_texture_rectangle */
@@ -7357,6 +7454,30 @@ static GLboolean _glewInit_GL_NV_vertex_program (GLEW_CONTEXT_ARG_DEF_INIT)
 
 #endif /* GL_NV_vertex_program4 */
 
+#ifdef GL_NV_video_capture
+
+static GLboolean _glewInit_GL_NV_video_capture (GLEW_CONTEXT_ARG_DEF_INIT)
+{
+  GLboolean r = GL_FALSE;
+
+  r = ((glBeginVideoCaptureNV = (PFNGLBEGINVIDEOCAPTURENVPROC)glewGetProcAddress((const GLubyte*)"glBeginVideoCaptureNV")) == NULL) || r;
+  r = ((glBindVideoCaptureStreamBufferNV = (PFNGLBINDVIDEOCAPTURESTREAMBUFFERNVPROC)glewGetProcAddress((const GLubyte*)"glBindVideoCaptureStreamBufferNV")) == NULL) || r;
+  r = ((glBindVideoCaptureStreamTextureNV = (PFNGLBINDVIDEOCAPTURESTREAMTEXTURENVPROC)glewGetProcAddress((const GLubyte*)"glBindVideoCaptureStreamTextureNV")) == NULL) || r;
+  r = ((glEndVideoCaptureNV = (PFNGLENDVIDEOCAPTURENVPROC)glewGetProcAddress((const GLubyte*)"glEndVideoCaptureNV")) == NULL) || r;
+  r = ((glGetVideoCaptureStreamdvNV = (PFNGLGETVIDEOCAPTURESTREAMDVNVPROC)glewGetProcAddress((const GLubyte*)"glGetVideoCaptureStreamdvNV")) == NULL) || r;
+  r = ((glGetVideoCaptureStreamfvNV = (PFNGLGETVIDEOCAPTURESTREAMFVNVPROC)glewGetProcAddress((const GLubyte*)"glGetVideoCaptureStreamfvNV")) == NULL) || r;
+  r = ((glGetVideoCaptureStreamivNV = (PFNGLGETVIDEOCAPTURESTREAMIVNVPROC)glewGetProcAddress((const GLubyte*)"glGetVideoCaptureStreamivNV")) == NULL) || r;
+  r = ((glGetVideoCaptureivNV = (PFNGLGETVIDEOCAPTUREIVNVPROC)glewGetProcAddress((const GLubyte*)"glGetVideoCaptureivNV")) == NULL) || r;
+  r = ((glVideoCaptureNV = (PFNGLVIDEOCAPTURENVPROC)glewGetProcAddress((const GLubyte*)"glVideoCaptureNV")) == NULL) || r;
+  r = ((glVideoCaptureStreamParameterdvNV = (PFNGLVIDEOCAPTURESTREAMPARAMETERDVNVPROC)glewGetProcAddress((const GLubyte*)"glVideoCaptureStreamParameterdvNV")) == NULL) || r;
+  r = ((glVideoCaptureStreamParameterfvNV = (PFNGLVIDEOCAPTURESTREAMPARAMETERFVNVPROC)glewGetProcAddress((const GLubyte*)"glVideoCaptureStreamParameterfvNV")) == NULL) || r;
+  r = ((glVideoCaptureStreamParameterivNV = (PFNGLVIDEOCAPTURESTREAMPARAMETERIVNVPROC)glewGetProcAddress((const GLubyte*)"glVideoCaptureStreamParameterivNV")) == NULL) || r;
+
+  return r;
+}
+
+#endif /* GL_NV_video_capture */
+
 #ifdef GL_OES_byte_coordinates
 
 #endif /* GL_OES_byte_coordinates */
@@ -7943,27 +8064,15 @@ static GLboolean _glewInit_GL_WIN_swap_hint (GLEW_CONTEXT_ARG_DEF_INIT)
 
 /* ------------------------------------------------------------------------- */
 
-/* 
- * Search for name in the extensions string. Use of strstr()
- * is not sufficient because extension names can be prefixes of
- * other extension names. Could use strtok() but the constant
- * string returned by glGetString might be in read-only memory.
- */
 GLboolean glewGetExtension (const char* name)
 {    
-  GLubyte* p;
-  GLubyte* end;
-  GLuint len = _glewStrLen((const GLubyte*)name);
-  p = (GLubyte*)glGetString(GL_EXTENSIONS);
-  if (0 == p) return GL_FALSE;
-  end = p + _glewStrLen(p);
-  while (p < end)
-  {
-    GLuint n = _glewStrCLen(p, ' ');
-    if (len == n && _glewStrSame((const GLubyte*)name, p, n)) return GL_TRUE;
-    p += n+1;
-  }
-  return GL_FALSE;
+  const GLubyte* start;
+  const GLubyte* end;
+  start = (const GLubyte*)glGetString(GL_EXTENSIONS);
+  if (start == 0)
+    return GL_FALSE;
+  end = start + _glewStrLen(start);
+  return _glewSearchExtension(name, start, end);
 }
 
 /* ------------------------------------------------------------------------- */
@@ -7976,6 +8085,8 @@ GLenum glewContextInit (GLEW_CONTEXT_ARG_DEF_LIST)
   const GLubyte* s;
   GLuint dot;
   GLint major, minor;
+  const GLubyte* extStart;
+  const GLubyte* extEnd;
   /* query opengl version */
   s = glGetString(GL_VERSION);
   dot = _glewStrCLen(s, '.');
@@ -8012,6 +8123,13 @@ GLenum glewContextInit (GLEW_CONTEXT_ARG_DEF_LIST)
     CONST_CAST(GLEW_VERSION_1_2)   = GLEW_VERSION_1_2_1 == GL_TRUE || ( major == 1 && minor >= 2 ) ? GL_TRUE : GL_FALSE;
     CONST_CAST(GLEW_VERSION_1_1)   = GLEW_VERSION_1_2   == GL_TRUE || ( major == 1 && minor >= 1 ) ? GL_TRUE : GL_FALSE;
   }
+
+  /* query opengl extensions string */
+  extStart = glGetString(GL_EXTENSIONS);
+  if (extStart == 0)
+    extStart = (const GLubyte*)"";
+  extEnd = extStart + _glewStrLen(extStart);
+
   /* initialize extensions */
 #ifdef GL_VERSION_1_2
   if (glewExperimental || GLEW_VERSION_1_2) CONST_CAST(GLEW_VERSION_1_2) = !_glewInit_GL_VERSION_1_2(GLEW_CONTEXT_ARG_VAR_INIT);
@@ -8051,1388 +8169,1407 @@ GLenum glewContextInit (GLEW_CONTEXT_ARG_DEF_LIST)
 #ifdef GL_VERSION_4_1
 #endif /* GL_VERSION_4_1 */
 #ifdef GL_3DFX_multisample
-  CONST_CAST(GLEW_3DFX_multisample) = glewGetExtension("GL_3DFX_multisample");
+  CONST_CAST(GLEW_3DFX_multisample) = _glewSearchExtension("GL_3DFX_multisample", extStart, extEnd);
 #endif /* GL_3DFX_multisample */
 #ifdef GL_3DFX_tbuffer
-  CONST_CAST(GLEW_3DFX_tbuffer) = glewGetExtension("GL_3DFX_tbuffer");
+  CONST_CAST(GLEW_3DFX_tbuffer) = _glewSearchExtension("GL_3DFX_tbuffer", extStart, extEnd);
   if (glewExperimental || GLEW_3DFX_tbuffer) CONST_CAST(GLEW_3DFX_tbuffer) = !_glewInit_GL_3DFX_tbuffer(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_3DFX_tbuffer */
 #ifdef GL_3DFX_texture_compression_FXT1
-  CONST_CAST(GLEW_3DFX_texture_compression_FXT1) = glewGetExtension("GL_3DFX_texture_compression_FXT1");
+  CONST_CAST(GLEW_3DFX_texture_compression_FXT1) = _glewSearchExtension("GL_3DFX_texture_compression_FXT1", extStart, extEnd);
 #endif /* GL_3DFX_texture_compression_FXT1 */
+#ifdef GL_AMD_blend_minmax_factor
+  CONST_CAST(GLEW_AMD_blend_minmax_factor) = _glewSearchExtension("GL_AMD_blend_minmax_factor", extStart, extEnd);
+#endif /* GL_AMD_blend_minmax_factor */
 #ifdef GL_AMD_conservative_depth
-  CONST_CAST(GLEW_AMD_conservative_depth) = glewGetExtension("GL_AMD_conservative_depth");
+  CONST_CAST(GLEW_AMD_conservative_depth) = _glewSearchExtension("GL_AMD_conservative_depth", extStart, extEnd);
 #endif /* GL_AMD_conservative_depth */
 #ifdef GL_AMD_debug_output
-  CONST_CAST(GLEW_AMD_debug_output) = glewGetExtension("GL_AMD_debug_output");
+  CONST_CAST(GLEW_AMD_debug_output) = _glewSearchExtension("GL_AMD_debug_output", extStart, extEnd);
   if (glewExperimental || GLEW_AMD_debug_output) CONST_CAST(GLEW_AMD_debug_output) = !_glewInit_GL_AMD_debug_output(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_AMD_debug_output */
 #ifdef GL_AMD_depth_clamp_separate
-  CONST_CAST(GLEW_AMD_depth_clamp_separate) = glewGetExtension("GL_AMD_depth_clamp_separate");
+  CONST_CAST(GLEW_AMD_depth_clamp_separate) = _glewSearchExtension("GL_AMD_depth_clamp_separate", extStart, extEnd);
 #endif /* GL_AMD_depth_clamp_separate */
 #ifdef GL_AMD_draw_buffers_blend
-  CONST_CAST(GLEW_AMD_draw_buffers_blend) = glewGetExtension("GL_AMD_draw_buffers_blend");
+  CONST_CAST(GLEW_AMD_draw_buffers_blend) = _glewSearchExtension("GL_AMD_draw_buffers_blend", extStart, extEnd);
   if (glewExperimental || GLEW_AMD_draw_buffers_blend) CONST_CAST(GLEW_AMD_draw_buffers_blend) = !_glewInit_GL_AMD_draw_buffers_blend(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_AMD_draw_buffers_blend */
 #ifdef GL_AMD_name_gen_delete
-  CONST_CAST(GLEW_AMD_name_gen_delete) = glewGetExtension("GL_AMD_name_gen_delete");
+  CONST_CAST(GLEW_AMD_name_gen_delete) = _glewSearchExtension("GL_AMD_name_gen_delete", extStart, extEnd);
   if (glewExperimental || GLEW_AMD_name_gen_delete) CONST_CAST(GLEW_AMD_name_gen_delete) = !_glewInit_GL_AMD_name_gen_delete(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_AMD_name_gen_delete */
 #ifdef GL_AMD_performance_monitor
-  CONST_CAST(GLEW_AMD_performance_monitor) = glewGetExtension("GL_AMD_performance_monitor");
+  CONST_CAST(GLEW_AMD_performance_monitor) = _glewSearchExtension("GL_AMD_performance_monitor", extStart, extEnd);
   if (glewExperimental || GLEW_AMD_performance_monitor) CONST_CAST(GLEW_AMD_performance_monitor) = !_glewInit_GL_AMD_performance_monitor(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_AMD_performance_monitor */
+#ifdef GL_AMD_sample_positions
+  CONST_CAST(GLEW_AMD_sample_positions) = _glewSearchExtension("GL_AMD_sample_positions", extStart, extEnd);
+  if (glewExperimental || GLEW_AMD_sample_positions) CONST_CAST(GLEW_AMD_sample_positions) = !_glewInit_GL_AMD_sample_positions(GLEW_CONTEXT_ARG_VAR_INIT);
+#endif /* GL_AMD_sample_positions */
 #ifdef GL_AMD_seamless_cubemap_per_texture
-  CONST_CAST(GLEW_AMD_seamless_cubemap_per_texture) = glewGetExtension("GL_AMD_seamless_cubemap_per_texture");
+  CONST_CAST(GLEW_AMD_seamless_cubemap_per_texture) = _glewSearchExtension("GL_AMD_seamless_cubemap_per_texture", extStart, extEnd);
 #endif /* GL_AMD_seamless_cubemap_per_texture */
 #ifdef GL_AMD_shader_stencil_export
-  CONST_CAST(GLEW_AMD_shader_stencil_export) = glewGetExtension("GL_AMD_shader_stencil_export");
+  CONST_CAST(GLEW_AMD_shader_stencil_export) = _glewSearchExtension("GL_AMD_shader_stencil_export", extStart, extEnd);
 #endif /* GL_AMD_shader_stencil_export */
 #ifdef GL_AMD_texture_texture4
-  CONST_CAST(GLEW_AMD_texture_texture4) = glewGetExtension("GL_AMD_texture_texture4");
+  CONST_CAST(GLEW_AMD_texture_texture4) = _glewSearchExtension("GL_AMD_texture_texture4", extStart, extEnd);
 #endif /* GL_AMD_texture_texture4 */
 #ifdef GL_AMD_transform_feedback3_lines_triangles
-  CONST_CAST(GLEW_AMD_transform_feedback3_lines_triangles) = glewGetExtension("GL_AMD_transform_feedback3_lines_triangles");
+  CONST_CAST(GLEW_AMD_transform_feedback3_lines_triangles) = _glewSearchExtension("GL_AMD_transform_feedback3_lines_triangles", extStart, extEnd);
 #endif /* GL_AMD_transform_feedback3_lines_triangles */
 #ifdef GL_AMD_vertex_shader_tessellator
-  CONST_CAST(GLEW_AMD_vertex_shader_tessellator) = glewGetExtension("GL_AMD_vertex_shader_tessellator");
+  CONST_CAST(GLEW_AMD_vertex_shader_tessellator) = _glewSearchExtension("GL_AMD_vertex_shader_tessellator", extStart, extEnd);
   if (glewExperimental || GLEW_AMD_vertex_shader_tessellator) CONST_CAST(GLEW_AMD_vertex_shader_tessellator) = !_glewInit_GL_AMD_vertex_shader_tessellator(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_AMD_vertex_shader_tessellator */
 #ifdef GL_APPLE_aux_depth_stencil
-  CONST_CAST(GLEW_APPLE_aux_depth_stencil) = glewGetExtension("GL_APPLE_aux_depth_stencil");
+  CONST_CAST(GLEW_APPLE_aux_depth_stencil) = _glewSearchExtension("GL_APPLE_aux_depth_stencil", extStart, extEnd);
 #endif /* GL_APPLE_aux_depth_stencil */
 #ifdef GL_APPLE_client_storage
-  CONST_CAST(GLEW_APPLE_client_storage) = glewGetExtension("GL_APPLE_client_storage");
+  CONST_CAST(GLEW_APPLE_client_storage) = _glewSearchExtension("GL_APPLE_client_storage", extStart, extEnd);
 #endif /* GL_APPLE_client_storage */
 #ifdef GL_APPLE_element_array
-  CONST_CAST(GLEW_APPLE_element_array) = glewGetExtension("GL_APPLE_element_array");
+  CONST_CAST(GLEW_APPLE_element_array) = _glewSearchExtension("GL_APPLE_element_array", extStart, extEnd);
   if (glewExperimental || GLEW_APPLE_element_array) CONST_CAST(GLEW_APPLE_element_array) = !_glewInit_GL_APPLE_element_array(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_APPLE_element_array */
 #ifdef GL_APPLE_fence
-  CONST_CAST(GLEW_APPLE_fence) = glewGetExtension("GL_APPLE_fence");
+  CONST_CAST(GLEW_APPLE_fence) = _glewSearchExtension("GL_APPLE_fence", extStart, extEnd);
   if (glewExperimental || GLEW_APPLE_fence) CONST_CAST(GLEW_APPLE_fence) = !_glewInit_GL_APPLE_fence(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_APPLE_fence */
 #ifdef GL_APPLE_float_pixels
-  CONST_CAST(GLEW_APPLE_float_pixels) = glewGetExtension("GL_APPLE_float_pixels");
+  CONST_CAST(GLEW_APPLE_float_pixels) = _glewSearchExtension("GL_APPLE_float_pixels", extStart, extEnd);
 #endif /* GL_APPLE_float_pixels */
 #ifdef GL_APPLE_flush_buffer_range
-  CONST_CAST(GLEW_APPLE_flush_buffer_range) = glewGetExtension("GL_APPLE_flush_buffer_range");
+  CONST_CAST(GLEW_APPLE_flush_buffer_range) = _glewSearchExtension("GL_APPLE_flush_buffer_range", extStart, extEnd);
   if (glewExperimental || GLEW_APPLE_flush_buffer_range) CONST_CAST(GLEW_APPLE_flush_buffer_range) = !_glewInit_GL_APPLE_flush_buffer_range(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_APPLE_flush_buffer_range */
 #ifdef GL_APPLE_object_purgeable
-  CONST_CAST(GLEW_APPLE_object_purgeable) = glewGetExtension("GL_APPLE_object_purgeable");
+  CONST_CAST(GLEW_APPLE_object_purgeable) = _glewSearchExtension("GL_APPLE_object_purgeable", extStart, extEnd);
   if (glewExperimental || GLEW_APPLE_object_purgeable) CONST_CAST(GLEW_APPLE_object_purgeable) = !_glewInit_GL_APPLE_object_purgeable(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_APPLE_object_purgeable */
 #ifdef GL_APPLE_pixel_buffer
-  CONST_CAST(GLEW_APPLE_pixel_buffer) = glewGetExtension("GL_APPLE_pixel_buffer");
+  CONST_CAST(GLEW_APPLE_pixel_buffer) = _glewSearchExtension("GL_APPLE_pixel_buffer", extStart, extEnd);
 #endif /* GL_APPLE_pixel_buffer */
 #ifdef GL_APPLE_rgb_422
-  CONST_CAST(GLEW_APPLE_rgb_422) = glewGetExtension("GL_APPLE_rgb_422");
+  CONST_CAST(GLEW_APPLE_rgb_422) = _glewSearchExtension("GL_APPLE_rgb_422", extStart, extEnd);
 #endif /* GL_APPLE_rgb_422 */
 #ifdef GL_APPLE_row_bytes
-  CONST_CAST(GLEW_APPLE_row_bytes) = glewGetExtension("GL_APPLE_row_bytes");
+  CONST_CAST(GLEW_APPLE_row_bytes) = _glewSearchExtension("GL_APPLE_row_bytes", extStart, extEnd);
 #endif /* GL_APPLE_row_bytes */
 #ifdef GL_APPLE_specular_vector
-  CONST_CAST(GLEW_APPLE_specular_vector) = glewGetExtension("GL_APPLE_specular_vector");
+  CONST_CAST(GLEW_APPLE_specular_vector) = _glewSearchExtension("GL_APPLE_specular_vector", extStart, extEnd);
 #endif /* GL_APPLE_specular_vector */
 #ifdef GL_APPLE_texture_range
-  CONST_CAST(GLEW_APPLE_texture_range) = glewGetExtension("GL_APPLE_texture_range");
+  CONST_CAST(GLEW_APPLE_texture_range) = _glewSearchExtension("GL_APPLE_texture_range", extStart, extEnd);
   if (glewExperimental || GLEW_APPLE_texture_range) CONST_CAST(GLEW_APPLE_texture_range) = !_glewInit_GL_APPLE_texture_range(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_APPLE_texture_range */
 #ifdef GL_APPLE_transform_hint
-  CONST_CAST(GLEW_APPLE_transform_hint) = glewGetExtension("GL_APPLE_transform_hint");
+  CONST_CAST(GLEW_APPLE_transform_hint) = _glewSearchExtension("GL_APPLE_transform_hint", extStart, extEnd);
 #endif /* GL_APPLE_transform_hint */
 #ifdef GL_APPLE_vertex_array_object
-  CONST_CAST(GLEW_APPLE_vertex_array_object) = glewGetExtension("GL_APPLE_vertex_array_object");
+  CONST_CAST(GLEW_APPLE_vertex_array_object) = _glewSearchExtension("GL_APPLE_vertex_array_object", extStart, extEnd);
   if (glewExperimental || GLEW_APPLE_vertex_array_object) CONST_CAST(GLEW_APPLE_vertex_array_object) = !_glewInit_GL_APPLE_vertex_array_object(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_APPLE_vertex_array_object */
 #ifdef GL_APPLE_vertex_array_range
-  CONST_CAST(GLEW_APPLE_vertex_array_range) = glewGetExtension("GL_APPLE_vertex_array_range");
+  CONST_CAST(GLEW_APPLE_vertex_array_range) = _glewSearchExtension("GL_APPLE_vertex_array_range", extStart, extEnd);
   if (glewExperimental || GLEW_APPLE_vertex_array_range) CONST_CAST(GLEW_APPLE_vertex_array_range) = !_glewInit_GL_APPLE_vertex_array_range(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_APPLE_vertex_array_range */
 #ifdef GL_APPLE_vertex_program_evaluators
-  CONST_CAST(GLEW_APPLE_vertex_program_evaluators) = glewGetExtension("GL_APPLE_vertex_program_evaluators");
+  CONST_CAST(GLEW_APPLE_vertex_program_evaluators) = _glewSearchExtension("GL_APPLE_vertex_program_evaluators", extStart, extEnd);
   if (glewExperimental || GLEW_APPLE_vertex_program_evaluators) CONST_CAST(GLEW_APPLE_vertex_program_evaluators) = !_glewInit_GL_APPLE_vertex_program_evaluators(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_APPLE_vertex_program_evaluators */
 #ifdef GL_APPLE_ycbcr_422
-  CONST_CAST(GLEW_APPLE_ycbcr_422) = glewGetExtension("GL_APPLE_ycbcr_422");
+  CONST_CAST(GLEW_APPLE_ycbcr_422) = _glewSearchExtension("GL_APPLE_ycbcr_422", extStart, extEnd);
 #endif /* GL_APPLE_ycbcr_422 */
 #ifdef GL_ARB_ES2_compatibility
-  CONST_CAST(GLEW_ARB_ES2_compatibility) = glewGetExtension("GL_ARB_ES2_compatibility");
+  CONST_CAST(GLEW_ARB_ES2_compatibility) = _glewSearchExtension("GL_ARB_ES2_compatibility", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_ES2_compatibility) CONST_CAST(GLEW_ARB_ES2_compatibility) = !_glewInit_GL_ARB_ES2_compatibility(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_ES2_compatibility */
 #ifdef GL_ARB_blend_func_extended
-  CONST_CAST(GLEW_ARB_blend_func_extended) = glewGetExtension("GL_ARB_blend_func_extended");
+  CONST_CAST(GLEW_ARB_blend_func_extended) = _glewSearchExtension("GL_ARB_blend_func_extended", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_blend_func_extended) CONST_CAST(GLEW_ARB_blend_func_extended) = !_glewInit_GL_ARB_blend_func_extended(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_blend_func_extended */
 #ifdef GL_ARB_cl_event
-  CONST_CAST(GLEW_ARB_cl_event) = glewGetExtension("GL_ARB_cl_event");
+  CONST_CAST(GLEW_ARB_cl_event) = _glewSearchExtension("GL_ARB_cl_event", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_cl_event) CONST_CAST(GLEW_ARB_cl_event) = !_glewInit_GL_ARB_cl_event(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_cl_event */
 #ifdef GL_ARB_color_buffer_float
-  CONST_CAST(GLEW_ARB_color_buffer_float) = glewGetExtension("GL_ARB_color_buffer_float");
+  CONST_CAST(GLEW_ARB_color_buffer_float) = _glewSearchExtension("GL_ARB_color_buffer_float", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_color_buffer_float) CONST_CAST(GLEW_ARB_color_buffer_float) = !_glewInit_GL_ARB_color_buffer_float(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_color_buffer_float */
 #ifdef GL_ARB_compatibility
-  CONST_CAST(GLEW_ARB_compatibility) = glewGetExtension("GL_ARB_compatibility");
+  CONST_CAST(GLEW_ARB_compatibility) = _glewSearchExtension("GL_ARB_compatibility", extStart, extEnd);
 #endif /* GL_ARB_compatibility */
 #ifdef GL_ARB_copy_buffer
-  CONST_CAST(GLEW_ARB_copy_buffer) = glewGetExtension("GL_ARB_copy_buffer");
+  CONST_CAST(GLEW_ARB_copy_buffer) = _glewSearchExtension("GL_ARB_copy_buffer", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_copy_buffer) CONST_CAST(GLEW_ARB_copy_buffer) = !_glewInit_GL_ARB_copy_buffer(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_copy_buffer */
 #ifdef GL_ARB_debug_output
-  CONST_CAST(GLEW_ARB_debug_output) = glewGetExtension("GL_ARB_debug_output");
+  CONST_CAST(GLEW_ARB_debug_output) = _glewSearchExtension("GL_ARB_debug_output", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_debug_output) CONST_CAST(GLEW_ARB_debug_output) = !_glewInit_GL_ARB_debug_output(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_debug_output */
 #ifdef GL_ARB_depth_buffer_float
-  CONST_CAST(GLEW_ARB_depth_buffer_float) = glewGetExtension("GL_ARB_depth_buffer_float");
+  CONST_CAST(GLEW_ARB_depth_buffer_float) = _glewSearchExtension("GL_ARB_depth_buffer_float", extStart, extEnd);
 #endif /* GL_ARB_depth_buffer_float */
 #ifdef GL_ARB_depth_clamp
-  CONST_CAST(GLEW_ARB_depth_clamp) = glewGetExtension("GL_ARB_depth_clamp");
+  CONST_CAST(GLEW_ARB_depth_clamp) = _glewSearchExtension("GL_ARB_depth_clamp", extStart, extEnd);
 #endif /* GL_ARB_depth_clamp */
 #ifdef GL_ARB_depth_texture
-  CONST_CAST(GLEW_ARB_depth_texture) = glewGetExtension("GL_ARB_depth_texture");
+  CONST_CAST(GLEW_ARB_depth_texture) = _glewSearchExtension("GL_ARB_depth_texture", extStart, extEnd);
 #endif /* GL_ARB_depth_texture */
 #ifdef GL_ARB_draw_buffers
-  CONST_CAST(GLEW_ARB_draw_buffers) = glewGetExtension("GL_ARB_draw_buffers");
+  CONST_CAST(GLEW_ARB_draw_buffers) = _glewSearchExtension("GL_ARB_draw_buffers", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_draw_buffers) CONST_CAST(GLEW_ARB_draw_buffers) = !_glewInit_GL_ARB_draw_buffers(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_draw_buffers */
 #ifdef GL_ARB_draw_buffers_blend
-  CONST_CAST(GLEW_ARB_draw_buffers_blend) = glewGetExtension("GL_ARB_draw_buffers_blend");
+  CONST_CAST(GLEW_ARB_draw_buffers_blend) = _glewSearchExtension("GL_ARB_draw_buffers_blend", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_draw_buffers_blend) CONST_CAST(GLEW_ARB_draw_buffers_blend) = !_glewInit_GL_ARB_draw_buffers_blend(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_draw_buffers_blend */
 #ifdef GL_ARB_draw_elements_base_vertex
-  CONST_CAST(GLEW_ARB_draw_elements_base_vertex) = glewGetExtension("GL_ARB_draw_elements_base_vertex");
+  CONST_CAST(GLEW_ARB_draw_elements_base_vertex) = _glewSearchExtension("GL_ARB_draw_elements_base_vertex", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_draw_elements_base_vertex) CONST_CAST(GLEW_ARB_draw_elements_base_vertex) = !_glewInit_GL_ARB_draw_elements_base_vertex(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_draw_elements_base_vertex */
 #ifdef GL_ARB_draw_indirect
-  CONST_CAST(GLEW_ARB_draw_indirect) = glewGetExtension("GL_ARB_draw_indirect");
+  CONST_CAST(GLEW_ARB_draw_indirect) = _glewSearchExtension("GL_ARB_draw_indirect", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_draw_indirect) CONST_CAST(GLEW_ARB_draw_indirect) = !_glewInit_GL_ARB_draw_indirect(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_draw_indirect */
 #ifdef GL_ARB_draw_instanced
-  CONST_CAST(GLEW_ARB_draw_instanced) = glewGetExtension("GL_ARB_draw_instanced");
-  if (glewExperimental || GLEW_ARB_draw_instanced) CONST_CAST(GLEW_ARB_draw_instanced) = !_glewInit_GL_ARB_draw_instanced(GLEW_CONTEXT_ARG_VAR_INIT);
+  CONST_CAST(GLEW_ARB_draw_instanced) = _glewSearchExtension("GL_ARB_draw_instanced", extStart, extEnd);
 #endif /* GL_ARB_draw_instanced */
 #ifdef GL_ARB_explicit_attrib_location
-  CONST_CAST(GLEW_ARB_explicit_attrib_location) = glewGetExtension("GL_ARB_explicit_attrib_location");
+  CONST_CAST(GLEW_ARB_explicit_attrib_location) = _glewSearchExtension("GL_ARB_explicit_attrib_location", extStart, extEnd);
 #endif /* GL_ARB_explicit_attrib_location */
 #ifdef GL_ARB_fragment_coord_conventions
-  CONST_CAST(GLEW_ARB_fragment_coord_conventions) = glewGetExtension("GL_ARB_fragment_coord_conventions");
+  CONST_CAST(GLEW_ARB_fragment_coord_conventions) = _glewSearchExtension("GL_ARB_fragment_coord_conventions", extStart, extEnd);
 #endif /* GL_ARB_fragment_coord_conventions */
 #ifdef GL_ARB_fragment_program
-  CONST_CAST(GLEW_ARB_fragment_program) = glewGetExtension("GL_ARB_fragment_program");
+  CONST_CAST(GLEW_ARB_fragment_program) = _glewSearchExtension("GL_ARB_fragment_program", extStart, extEnd);
 #endif /* GL_ARB_fragment_program */
 #ifdef GL_ARB_fragment_program_shadow
-  CONST_CAST(GLEW_ARB_fragment_program_shadow) = glewGetExtension("GL_ARB_fragment_program_shadow");
+  CONST_CAST(GLEW_ARB_fragment_program_shadow) = _glewSearchExtension("GL_ARB_fragment_program_shadow", extStart, extEnd);
 #endif /* GL_ARB_fragment_program_shadow */
 #ifdef GL_ARB_fragment_shader
-  CONST_CAST(GLEW_ARB_fragment_shader) = glewGetExtension("GL_ARB_fragment_shader");
+  CONST_CAST(GLEW_ARB_fragment_shader) = _glewSearchExtension("GL_ARB_fragment_shader", extStart, extEnd);
 #endif /* GL_ARB_fragment_shader */
 #ifdef GL_ARB_framebuffer_object
-  CONST_CAST(GLEW_ARB_framebuffer_object) = glewGetExtension("GL_ARB_framebuffer_object");
+  CONST_CAST(GLEW_ARB_framebuffer_object) = _glewSearchExtension("GL_ARB_framebuffer_object", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_framebuffer_object) CONST_CAST(GLEW_ARB_framebuffer_object) = !_glewInit_GL_ARB_framebuffer_object(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_framebuffer_object */
 #ifdef GL_ARB_framebuffer_sRGB
-  CONST_CAST(GLEW_ARB_framebuffer_sRGB) = glewGetExtension("GL_ARB_framebuffer_sRGB");
+  CONST_CAST(GLEW_ARB_framebuffer_sRGB) = _glewSearchExtension("GL_ARB_framebuffer_sRGB", extStart, extEnd);
 #endif /* GL_ARB_framebuffer_sRGB */
 #ifdef GL_ARB_geometry_shader4
-  CONST_CAST(GLEW_ARB_geometry_shader4) = glewGetExtension("GL_ARB_geometry_shader4");
+  CONST_CAST(GLEW_ARB_geometry_shader4) = _glewSearchExtension("GL_ARB_geometry_shader4", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_geometry_shader4) CONST_CAST(GLEW_ARB_geometry_shader4) = !_glewInit_GL_ARB_geometry_shader4(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_geometry_shader4 */
 #ifdef GL_ARB_get_program_binary
-  CONST_CAST(GLEW_ARB_get_program_binary) = glewGetExtension("GL_ARB_get_program_binary");
+  CONST_CAST(GLEW_ARB_get_program_binary) = _glewSearchExtension("GL_ARB_get_program_binary", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_get_program_binary) CONST_CAST(GLEW_ARB_get_program_binary) = !_glewInit_GL_ARB_get_program_binary(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_get_program_binary */
 #ifdef GL_ARB_gpu_shader5
-  CONST_CAST(GLEW_ARB_gpu_shader5) = glewGetExtension("GL_ARB_gpu_shader5");
+  CONST_CAST(GLEW_ARB_gpu_shader5) = _glewSearchExtension("GL_ARB_gpu_shader5", extStart, extEnd);
 #endif /* GL_ARB_gpu_shader5 */
 #ifdef GL_ARB_gpu_shader_fp64
-  CONST_CAST(GLEW_ARB_gpu_shader_fp64) = glewGetExtension("GL_ARB_gpu_shader_fp64");
+  CONST_CAST(GLEW_ARB_gpu_shader_fp64) = _glewSearchExtension("GL_ARB_gpu_shader_fp64", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_gpu_shader_fp64) CONST_CAST(GLEW_ARB_gpu_shader_fp64) = !_glewInit_GL_ARB_gpu_shader_fp64(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_gpu_shader_fp64 */
 #ifdef GL_ARB_half_float_pixel
-  CONST_CAST(GLEW_ARB_half_float_pixel) = glewGetExtension("GL_ARB_half_float_pixel");
+  CONST_CAST(GLEW_ARB_half_float_pixel) = _glewSearchExtension("GL_ARB_half_float_pixel", extStart, extEnd);
 #endif /* GL_ARB_half_float_pixel */
 #ifdef GL_ARB_half_float_vertex
-  CONST_CAST(GLEW_ARB_half_float_vertex) = glewGetExtension("GL_ARB_half_float_vertex");
+  CONST_CAST(GLEW_ARB_half_float_vertex) = _glewSearchExtension("GL_ARB_half_float_vertex", extStart, extEnd);
 #endif /* GL_ARB_half_float_vertex */
 #ifdef GL_ARB_imaging
-  CONST_CAST(GLEW_ARB_imaging) = glewGetExtension("GL_ARB_imaging");
+  CONST_CAST(GLEW_ARB_imaging) = _glewSearchExtension("GL_ARB_imaging", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_imaging) CONST_CAST(GLEW_ARB_imaging) = !_glewInit_GL_ARB_imaging(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_imaging */
 #ifdef GL_ARB_instanced_arrays
-  CONST_CAST(GLEW_ARB_instanced_arrays) = glewGetExtension("GL_ARB_instanced_arrays");
+  CONST_CAST(GLEW_ARB_instanced_arrays) = _glewSearchExtension("GL_ARB_instanced_arrays", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_instanced_arrays) CONST_CAST(GLEW_ARB_instanced_arrays) = !_glewInit_GL_ARB_instanced_arrays(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_instanced_arrays */
 #ifdef GL_ARB_map_buffer_range
-  CONST_CAST(GLEW_ARB_map_buffer_range) = glewGetExtension("GL_ARB_map_buffer_range");
+  CONST_CAST(GLEW_ARB_map_buffer_range) = _glewSearchExtension("GL_ARB_map_buffer_range", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_map_buffer_range) CONST_CAST(GLEW_ARB_map_buffer_range) = !_glewInit_GL_ARB_map_buffer_range(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_map_buffer_range */
 #ifdef GL_ARB_matrix_palette
-  CONST_CAST(GLEW_ARB_matrix_palette) = glewGetExtension("GL_ARB_matrix_palette");
+  CONST_CAST(GLEW_ARB_matrix_palette) = _glewSearchExtension("GL_ARB_matrix_palette", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_matrix_palette) CONST_CAST(GLEW_ARB_matrix_palette) = !_glewInit_GL_ARB_matrix_palette(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_matrix_palette */
 #ifdef GL_ARB_multisample
-  CONST_CAST(GLEW_ARB_multisample) = glewGetExtension("GL_ARB_multisample");
+  CONST_CAST(GLEW_ARB_multisample) = _glewSearchExtension("GL_ARB_multisample", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_multisample) CONST_CAST(GLEW_ARB_multisample) = !_glewInit_GL_ARB_multisample(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_multisample */
 #ifdef GL_ARB_multitexture
-  CONST_CAST(GLEW_ARB_multitexture) = glewGetExtension("GL_ARB_multitexture");
+  CONST_CAST(GLEW_ARB_multitexture) = _glewSearchExtension("GL_ARB_multitexture", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_multitexture) CONST_CAST(GLEW_ARB_multitexture) = !_glewInit_GL_ARB_multitexture(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_multitexture */
 #ifdef GL_ARB_occlusion_query
-  CONST_CAST(GLEW_ARB_occlusion_query) = glewGetExtension("GL_ARB_occlusion_query");
+  CONST_CAST(GLEW_ARB_occlusion_query) = _glewSearchExtension("GL_ARB_occlusion_query", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_occlusion_query) CONST_CAST(GLEW_ARB_occlusion_query) = !_glewInit_GL_ARB_occlusion_query(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_occlusion_query */
 #ifdef GL_ARB_occlusion_query2
-  CONST_CAST(GLEW_ARB_occlusion_query2) = glewGetExtension("GL_ARB_occlusion_query2");
+  CONST_CAST(GLEW_ARB_occlusion_query2) = _glewSearchExtension("GL_ARB_occlusion_query2", extStart, extEnd);
 #endif /* GL_ARB_occlusion_query2 */
 #ifdef GL_ARB_pixel_buffer_object
-  CONST_CAST(GLEW_ARB_pixel_buffer_object) = glewGetExtension("GL_ARB_pixel_buffer_object");
+  CONST_CAST(GLEW_ARB_pixel_buffer_object) = _glewSearchExtension("GL_ARB_pixel_buffer_object", extStart, extEnd);
 #endif /* GL_ARB_pixel_buffer_object */
 #ifdef GL_ARB_point_parameters
-  CONST_CAST(GLEW_ARB_point_parameters) = glewGetExtension("GL_ARB_point_parameters");
+  CONST_CAST(GLEW_ARB_point_parameters) = _glewSearchExtension("GL_ARB_point_parameters", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_point_parameters) CONST_CAST(GLEW_ARB_point_parameters) = !_glewInit_GL_ARB_point_parameters(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_point_parameters */
 #ifdef GL_ARB_point_sprite
-  CONST_CAST(GLEW_ARB_point_sprite) = glewGetExtension("GL_ARB_point_sprite");
+  CONST_CAST(GLEW_ARB_point_sprite) = _glewSearchExtension("GL_ARB_point_sprite", extStart, extEnd);
 #endif /* GL_ARB_point_sprite */
 #ifdef GL_ARB_provoking_vertex
-  CONST_CAST(GLEW_ARB_provoking_vertex) = glewGetExtension("GL_ARB_provoking_vertex");
+  CONST_CAST(GLEW_ARB_provoking_vertex) = _glewSearchExtension("GL_ARB_provoking_vertex", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_provoking_vertex) CONST_CAST(GLEW_ARB_provoking_vertex) = !_glewInit_GL_ARB_provoking_vertex(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_provoking_vertex */
 #ifdef GL_ARB_robustness
-  CONST_CAST(GLEW_ARB_robustness) = glewGetExtension("GL_ARB_robustness");
+  CONST_CAST(GLEW_ARB_robustness) = _glewSearchExtension("GL_ARB_robustness", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_robustness) CONST_CAST(GLEW_ARB_robustness) = !_glewInit_GL_ARB_robustness(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_robustness */
 #ifdef GL_ARB_sample_shading
-  CONST_CAST(GLEW_ARB_sample_shading) = glewGetExtension("GL_ARB_sample_shading");
+  CONST_CAST(GLEW_ARB_sample_shading) = _glewSearchExtension("GL_ARB_sample_shading", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_sample_shading) CONST_CAST(GLEW_ARB_sample_shading) = !_glewInit_GL_ARB_sample_shading(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_sample_shading */
 #ifdef GL_ARB_sampler_objects
-  CONST_CAST(GLEW_ARB_sampler_objects) = glewGetExtension("GL_ARB_sampler_objects");
+  CONST_CAST(GLEW_ARB_sampler_objects) = _glewSearchExtension("GL_ARB_sampler_objects", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_sampler_objects) CONST_CAST(GLEW_ARB_sampler_objects) = !_glewInit_GL_ARB_sampler_objects(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_sampler_objects */
 #ifdef GL_ARB_seamless_cube_map
-  CONST_CAST(GLEW_ARB_seamless_cube_map) = glewGetExtension("GL_ARB_seamless_cube_map");
+  CONST_CAST(GLEW_ARB_seamless_cube_map) = _glewSearchExtension("GL_ARB_seamless_cube_map", extStart, extEnd);
 #endif /* GL_ARB_seamless_cube_map */
 #ifdef GL_ARB_separate_shader_objects
-  CONST_CAST(GLEW_ARB_separate_shader_objects) = glewGetExtension("GL_ARB_separate_shader_objects");
+  CONST_CAST(GLEW_ARB_separate_shader_objects) = _glewSearchExtension("GL_ARB_separate_shader_objects", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_separate_shader_objects) CONST_CAST(GLEW_ARB_separate_shader_objects) = !_glewInit_GL_ARB_separate_shader_objects(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_separate_shader_objects */
 #ifdef GL_ARB_shader_bit_encoding
-  CONST_CAST(GLEW_ARB_shader_bit_encoding) = glewGetExtension("GL_ARB_shader_bit_encoding");
+  CONST_CAST(GLEW_ARB_shader_bit_encoding) = _glewSearchExtension("GL_ARB_shader_bit_encoding", extStart, extEnd);
 #endif /* GL_ARB_shader_bit_encoding */
 #ifdef GL_ARB_shader_objects
-  CONST_CAST(GLEW_ARB_shader_objects) = glewGetExtension("GL_ARB_shader_objects");
+  CONST_CAST(GLEW_ARB_shader_objects) = _glewSearchExtension("GL_ARB_shader_objects", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_shader_objects) CONST_CAST(GLEW_ARB_shader_objects) = !_glewInit_GL_ARB_shader_objects(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_shader_objects */
 #ifdef GL_ARB_shader_precision
-  CONST_CAST(GLEW_ARB_shader_precision) = glewGetExtension("GL_ARB_shader_precision");
+  CONST_CAST(GLEW_ARB_shader_precision) = _glewSearchExtension("GL_ARB_shader_precision", extStart, extEnd);
 #endif /* GL_ARB_shader_precision */
 #ifdef GL_ARB_shader_stencil_export
-  CONST_CAST(GLEW_ARB_shader_stencil_export) = glewGetExtension("GL_ARB_shader_stencil_export");
+  CONST_CAST(GLEW_ARB_shader_stencil_export) = _glewSearchExtension("GL_ARB_shader_stencil_export", extStart, extEnd);
 #endif /* GL_ARB_shader_stencil_export */
 #ifdef GL_ARB_shader_subroutine
-  CONST_CAST(GLEW_ARB_shader_subroutine) = glewGetExtension("GL_ARB_shader_subroutine");
+  CONST_CAST(GLEW_ARB_shader_subroutine) = _glewSearchExtension("GL_ARB_shader_subroutine", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_shader_subroutine) CONST_CAST(GLEW_ARB_shader_subroutine) = !_glewInit_GL_ARB_shader_subroutine(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_shader_subroutine */
 #ifdef GL_ARB_shader_texture_lod
-  CONST_CAST(GLEW_ARB_shader_texture_lod) = glewGetExtension("GL_ARB_shader_texture_lod");
+  CONST_CAST(GLEW_ARB_shader_texture_lod) = _glewSearchExtension("GL_ARB_shader_texture_lod", extStart, extEnd);
 #endif /* GL_ARB_shader_texture_lod */
 #ifdef GL_ARB_shading_language_100
-  CONST_CAST(GLEW_ARB_shading_language_100) = glewGetExtension("GL_ARB_shading_language_100");
+  CONST_CAST(GLEW_ARB_shading_language_100) = _glewSearchExtension("GL_ARB_shading_language_100", extStart, extEnd);
 #endif /* GL_ARB_shading_language_100 */
 #ifdef GL_ARB_shading_language_include
-  CONST_CAST(GLEW_ARB_shading_language_include) = glewGetExtension("GL_ARB_shading_language_include");
+  CONST_CAST(GLEW_ARB_shading_language_include) = _glewSearchExtension("GL_ARB_shading_language_include", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_shading_language_include) CONST_CAST(GLEW_ARB_shading_language_include) = !_glewInit_GL_ARB_shading_language_include(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_shading_language_include */
 #ifdef GL_ARB_shadow
-  CONST_CAST(GLEW_ARB_shadow) = glewGetExtension("GL_ARB_shadow");
+  CONST_CAST(GLEW_ARB_shadow) = _glewSearchExtension("GL_ARB_shadow", extStart, extEnd);
 #endif /* GL_ARB_shadow */
 #ifdef GL_ARB_shadow_ambient
-  CONST_CAST(GLEW_ARB_shadow_ambient) = glewGetExtension("GL_ARB_shadow_ambient");
+  CONST_CAST(GLEW_ARB_shadow_ambient) = _glewSearchExtension("GL_ARB_shadow_ambient", extStart, extEnd);
 #endif /* GL_ARB_shadow_ambient */
 #ifdef GL_ARB_sync
-  CONST_CAST(GLEW_ARB_sync) = glewGetExtension("GL_ARB_sync");
+  CONST_CAST(GLEW_ARB_sync) = _glewSearchExtension("GL_ARB_sync", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_sync) CONST_CAST(GLEW_ARB_sync) = !_glewInit_GL_ARB_sync(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_sync */
 #ifdef GL_ARB_tessellation_shader
-  CONST_CAST(GLEW_ARB_tessellation_shader) = glewGetExtension("GL_ARB_tessellation_shader");
+  CONST_CAST(GLEW_ARB_tessellation_shader) = _glewSearchExtension("GL_ARB_tessellation_shader", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_tessellation_shader) CONST_CAST(GLEW_ARB_tessellation_shader) = !_glewInit_GL_ARB_tessellation_shader(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_tessellation_shader */
 #ifdef GL_ARB_texture_border_clamp
-  CONST_CAST(GLEW_ARB_texture_border_clamp) = glewGetExtension("GL_ARB_texture_border_clamp");
+  CONST_CAST(GLEW_ARB_texture_border_clamp) = _glewSearchExtension("GL_ARB_texture_border_clamp", extStart, extEnd);
 #endif /* GL_ARB_texture_border_clamp */
 #ifdef GL_ARB_texture_buffer_object
-  CONST_CAST(GLEW_ARB_texture_buffer_object) = glewGetExtension("GL_ARB_texture_buffer_object");
+  CONST_CAST(GLEW_ARB_texture_buffer_object) = _glewSearchExtension("GL_ARB_texture_buffer_object", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_texture_buffer_object) CONST_CAST(GLEW_ARB_texture_buffer_object) = !_glewInit_GL_ARB_texture_buffer_object(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_texture_buffer_object */
 #ifdef GL_ARB_texture_buffer_object_rgb32
-  CONST_CAST(GLEW_ARB_texture_buffer_object_rgb32) = glewGetExtension("GL_ARB_texture_buffer_object_rgb32");
+  CONST_CAST(GLEW_ARB_texture_buffer_object_rgb32) = _glewSearchExtension("GL_ARB_texture_buffer_object_rgb32", extStart, extEnd);
 #endif /* GL_ARB_texture_buffer_object_rgb32 */
 #ifdef GL_ARB_texture_compression
-  CONST_CAST(GLEW_ARB_texture_compression) = glewGetExtension("GL_ARB_texture_compression");
+  CONST_CAST(GLEW_ARB_texture_compression) = _glewSearchExtension("GL_ARB_texture_compression", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_texture_compression) CONST_CAST(GLEW_ARB_texture_compression) = !_glewInit_GL_ARB_texture_compression(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_texture_compression */
 #ifdef GL_ARB_texture_compression_bptc
-  CONST_CAST(GLEW_ARB_texture_compression_bptc) = glewGetExtension("GL_ARB_texture_compression_bptc");
+  CONST_CAST(GLEW_ARB_texture_compression_bptc) = _glewSearchExtension("GL_ARB_texture_compression_bptc", extStart, extEnd);
 #endif /* GL_ARB_texture_compression_bptc */
 #ifdef GL_ARB_texture_compression_rgtc
-  CONST_CAST(GLEW_ARB_texture_compression_rgtc) = glewGetExtension("GL_ARB_texture_compression_rgtc");
+  CONST_CAST(GLEW_ARB_texture_compression_rgtc) = _glewSearchExtension("GL_ARB_texture_compression_rgtc", extStart, extEnd);
 #endif /* GL_ARB_texture_compression_rgtc */
 #ifdef GL_ARB_texture_cube_map
-  CONST_CAST(GLEW_ARB_texture_cube_map) = glewGetExtension("GL_ARB_texture_cube_map");
+  CONST_CAST(GLEW_ARB_texture_cube_map) = _glewSearchExtension("GL_ARB_texture_cube_map", extStart, extEnd);
 #endif /* GL_ARB_texture_cube_map */
 #ifdef GL_ARB_texture_cube_map_array
-  CONST_CAST(GLEW_ARB_texture_cube_map_array) = glewGetExtension("GL_ARB_texture_cube_map_array");
+  CONST_CAST(GLEW_ARB_texture_cube_map_array) = _glewSearchExtension("GL_ARB_texture_cube_map_array", extStart, extEnd);
 #endif /* GL_ARB_texture_cube_map_array */
 #ifdef GL_ARB_texture_env_add
-  CONST_CAST(GLEW_ARB_texture_env_add) = glewGetExtension("GL_ARB_texture_env_add");
+  CONST_CAST(GLEW_ARB_texture_env_add) = _glewSearchExtension("GL_ARB_texture_env_add", extStart, extEnd);
 #endif /* GL_ARB_texture_env_add */
 #ifdef GL_ARB_texture_env_combine
-  CONST_CAST(GLEW_ARB_texture_env_combine) = glewGetExtension("GL_ARB_texture_env_combine");
+  CONST_CAST(GLEW_ARB_texture_env_combine) = _glewSearchExtension("GL_ARB_texture_env_combine", extStart, extEnd);
 #endif /* GL_ARB_texture_env_combine */
 #ifdef GL_ARB_texture_env_crossbar
-  CONST_CAST(GLEW_ARB_texture_env_crossbar) = glewGetExtension("GL_ARB_texture_env_crossbar");
+  CONST_CAST(GLEW_ARB_texture_env_crossbar) = _glewSearchExtension("GL_ARB_texture_env_crossbar", extStart, extEnd);
 #endif /* GL_ARB_texture_env_crossbar */
 #ifdef GL_ARB_texture_env_dot3
-  CONST_CAST(GLEW_ARB_texture_env_dot3) = glewGetExtension("GL_ARB_texture_env_dot3");
+  CONST_CAST(GLEW_ARB_texture_env_dot3) = _glewSearchExtension("GL_ARB_texture_env_dot3", extStart, extEnd);
 #endif /* GL_ARB_texture_env_dot3 */
 #ifdef GL_ARB_texture_float
-  CONST_CAST(GLEW_ARB_texture_float) = glewGetExtension("GL_ARB_texture_float");
+  CONST_CAST(GLEW_ARB_texture_float) = _glewSearchExtension("GL_ARB_texture_float", extStart, extEnd);
 #endif /* GL_ARB_texture_float */
 #ifdef GL_ARB_texture_gather
-  CONST_CAST(GLEW_ARB_texture_gather) = glewGetExtension("GL_ARB_texture_gather");
+  CONST_CAST(GLEW_ARB_texture_gather) = _glewSearchExtension("GL_ARB_texture_gather", extStart, extEnd);
 #endif /* GL_ARB_texture_gather */
 #ifdef GL_ARB_texture_mirrored_repeat
-  CONST_CAST(GLEW_ARB_texture_mirrored_repeat) = glewGetExtension("GL_ARB_texture_mirrored_repeat");
+  CONST_CAST(GLEW_ARB_texture_mirrored_repeat) = _glewSearchExtension("GL_ARB_texture_mirrored_repeat", extStart, extEnd);
 #endif /* GL_ARB_texture_mirrored_repeat */
 #ifdef GL_ARB_texture_multisample
-  CONST_CAST(GLEW_ARB_texture_multisample) = glewGetExtension("GL_ARB_texture_multisample");
+  CONST_CAST(GLEW_ARB_texture_multisample) = _glewSearchExtension("GL_ARB_texture_multisample", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_texture_multisample) CONST_CAST(GLEW_ARB_texture_multisample) = !_glewInit_GL_ARB_texture_multisample(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_texture_multisample */
 #ifdef GL_ARB_texture_non_power_of_two
-  CONST_CAST(GLEW_ARB_texture_non_power_of_two) = glewGetExtension("GL_ARB_texture_non_power_of_two");
+  CONST_CAST(GLEW_ARB_texture_non_power_of_two) = _glewSearchExtension("GL_ARB_texture_non_power_of_two", extStart, extEnd);
 #endif /* GL_ARB_texture_non_power_of_two */
 #ifdef GL_ARB_texture_query_lod
-  CONST_CAST(GLEW_ARB_texture_query_lod) = glewGetExtension("GL_ARB_texture_query_lod");
+  CONST_CAST(GLEW_ARB_texture_query_lod) = _glewSearchExtension("GL_ARB_texture_query_lod", extStart, extEnd);
 #endif /* GL_ARB_texture_query_lod */
 #ifdef GL_ARB_texture_rectangle
-  CONST_CAST(GLEW_ARB_texture_rectangle) = glewGetExtension("GL_ARB_texture_rectangle");
+  CONST_CAST(GLEW_ARB_texture_rectangle) = _glewSearchExtension("GL_ARB_texture_rectangle", extStart, extEnd);
 #endif /* GL_ARB_texture_rectangle */
 #ifdef GL_ARB_texture_rg
-  CONST_CAST(GLEW_ARB_texture_rg) = glewGetExtension("GL_ARB_texture_rg");
+  CONST_CAST(GLEW_ARB_texture_rg) = _glewSearchExtension("GL_ARB_texture_rg", extStart, extEnd);
 #endif /* GL_ARB_texture_rg */
 #ifdef GL_ARB_texture_rgb10_a2ui
-  CONST_CAST(GLEW_ARB_texture_rgb10_a2ui) = glewGetExtension("GL_ARB_texture_rgb10_a2ui");
+  CONST_CAST(GLEW_ARB_texture_rgb10_a2ui) = _glewSearchExtension("GL_ARB_texture_rgb10_a2ui", extStart, extEnd);
 #endif /* GL_ARB_texture_rgb10_a2ui */
 #ifdef GL_ARB_texture_swizzle
-  CONST_CAST(GLEW_ARB_texture_swizzle) = glewGetExtension("GL_ARB_texture_swizzle");
+  CONST_CAST(GLEW_ARB_texture_swizzle) = _glewSearchExtension("GL_ARB_texture_swizzle", extStart, extEnd);
 #endif /* GL_ARB_texture_swizzle */
 #ifdef GL_ARB_timer_query
-  CONST_CAST(GLEW_ARB_timer_query) = glewGetExtension("GL_ARB_timer_query");
+  CONST_CAST(GLEW_ARB_timer_query) = _glewSearchExtension("GL_ARB_timer_query", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_timer_query) CONST_CAST(GLEW_ARB_timer_query) = !_glewInit_GL_ARB_timer_query(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_timer_query */
 #ifdef GL_ARB_transform_feedback2
-  CONST_CAST(GLEW_ARB_transform_feedback2) = glewGetExtension("GL_ARB_transform_feedback2");
+  CONST_CAST(GLEW_ARB_transform_feedback2) = _glewSearchExtension("GL_ARB_transform_feedback2", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_transform_feedback2) CONST_CAST(GLEW_ARB_transform_feedback2) = !_glewInit_GL_ARB_transform_feedback2(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_transform_feedback2 */
 #ifdef GL_ARB_transform_feedback3
-  CONST_CAST(GLEW_ARB_transform_feedback3) = glewGetExtension("GL_ARB_transform_feedback3");
+  CONST_CAST(GLEW_ARB_transform_feedback3) = _glewSearchExtension("GL_ARB_transform_feedback3", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_transform_feedback3) CONST_CAST(GLEW_ARB_transform_feedback3) = !_glewInit_GL_ARB_transform_feedback3(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_transform_feedback3 */
 #ifdef GL_ARB_transpose_matrix
-  CONST_CAST(GLEW_ARB_transpose_matrix) = glewGetExtension("GL_ARB_transpose_matrix");
+  CONST_CAST(GLEW_ARB_transpose_matrix) = _glewSearchExtension("GL_ARB_transpose_matrix", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_transpose_matrix) CONST_CAST(GLEW_ARB_transpose_matrix) = !_glewInit_GL_ARB_transpose_matrix(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_transpose_matrix */
 #ifdef GL_ARB_uniform_buffer_object
-  CONST_CAST(GLEW_ARB_uniform_buffer_object) = glewGetExtension("GL_ARB_uniform_buffer_object");
+  CONST_CAST(GLEW_ARB_uniform_buffer_object) = _glewSearchExtension("GL_ARB_uniform_buffer_object", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_uniform_buffer_object) CONST_CAST(GLEW_ARB_uniform_buffer_object) = !_glewInit_GL_ARB_uniform_buffer_object(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_uniform_buffer_object */
 #ifdef GL_ARB_vertex_array_bgra
-  CONST_CAST(GLEW_ARB_vertex_array_bgra) = glewGetExtension("GL_ARB_vertex_array_bgra");
+  CONST_CAST(GLEW_ARB_vertex_array_bgra) = _glewSearchExtension("GL_ARB_vertex_array_bgra", extStart, extEnd);
 #endif /* GL_ARB_vertex_array_bgra */
 #ifdef GL_ARB_vertex_array_object
-  CONST_CAST(GLEW_ARB_vertex_array_object) = glewGetExtension("GL_ARB_vertex_array_object");
+  CONST_CAST(GLEW_ARB_vertex_array_object) = _glewSearchExtension("GL_ARB_vertex_array_object", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_vertex_array_object) CONST_CAST(GLEW_ARB_vertex_array_object) = !_glewInit_GL_ARB_vertex_array_object(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_vertex_array_object */
 #ifdef GL_ARB_vertex_attrib_64bit
-  CONST_CAST(GLEW_ARB_vertex_attrib_64bit) = glewGetExtension("GL_ARB_vertex_attrib_64bit");
+  CONST_CAST(GLEW_ARB_vertex_attrib_64bit) = _glewSearchExtension("GL_ARB_vertex_attrib_64bit", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_vertex_attrib_64bit) CONST_CAST(GLEW_ARB_vertex_attrib_64bit) = !_glewInit_GL_ARB_vertex_attrib_64bit(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_vertex_attrib_64bit */
 #ifdef GL_ARB_vertex_blend
-  CONST_CAST(GLEW_ARB_vertex_blend) = glewGetExtension("GL_ARB_vertex_blend");
+  CONST_CAST(GLEW_ARB_vertex_blend) = _glewSearchExtension("GL_ARB_vertex_blend", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_vertex_blend) CONST_CAST(GLEW_ARB_vertex_blend) = !_glewInit_GL_ARB_vertex_blend(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_vertex_blend */
 #ifdef GL_ARB_vertex_buffer_object
-  CONST_CAST(GLEW_ARB_vertex_buffer_object) = glewGetExtension("GL_ARB_vertex_buffer_object");
+  CONST_CAST(GLEW_ARB_vertex_buffer_object) = _glewSearchExtension("GL_ARB_vertex_buffer_object", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_vertex_buffer_object) CONST_CAST(GLEW_ARB_vertex_buffer_object) = !_glewInit_GL_ARB_vertex_buffer_object(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_vertex_buffer_object */
 #ifdef GL_ARB_vertex_program
-  CONST_CAST(GLEW_ARB_vertex_program) = glewGetExtension("GL_ARB_vertex_program");
+  CONST_CAST(GLEW_ARB_vertex_program) = _glewSearchExtension("GL_ARB_vertex_program", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_vertex_program) CONST_CAST(GLEW_ARB_vertex_program) = !_glewInit_GL_ARB_vertex_program(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_vertex_program */
 #ifdef GL_ARB_vertex_shader
-  CONST_CAST(GLEW_ARB_vertex_shader) = glewGetExtension("GL_ARB_vertex_shader");
+  CONST_CAST(GLEW_ARB_vertex_shader) = _glewSearchExtension("GL_ARB_vertex_shader", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_vertex_shader) CONST_CAST(GLEW_ARB_vertex_shader) = !_glewInit_GL_ARB_vertex_shader(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_vertex_shader */
 #ifdef GL_ARB_vertex_type_2_10_10_10_rev
-  CONST_CAST(GLEW_ARB_vertex_type_2_10_10_10_rev) = glewGetExtension("GL_ARB_vertex_type_2_10_10_10_rev");
+  CONST_CAST(GLEW_ARB_vertex_type_2_10_10_10_rev) = _glewSearchExtension("GL_ARB_vertex_type_2_10_10_10_rev", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_vertex_type_2_10_10_10_rev) CONST_CAST(GLEW_ARB_vertex_type_2_10_10_10_rev) = !_glewInit_GL_ARB_vertex_type_2_10_10_10_rev(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_vertex_type_2_10_10_10_rev */
 #ifdef GL_ARB_viewport_array
-  CONST_CAST(GLEW_ARB_viewport_array) = glewGetExtension("GL_ARB_viewport_array");
+  CONST_CAST(GLEW_ARB_viewport_array) = _glewSearchExtension("GL_ARB_viewport_array", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_viewport_array) CONST_CAST(GLEW_ARB_viewport_array) = !_glewInit_GL_ARB_viewport_array(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_viewport_array */
 #ifdef GL_ARB_window_pos
-  CONST_CAST(GLEW_ARB_window_pos) = glewGetExtension("GL_ARB_window_pos");
+  CONST_CAST(GLEW_ARB_window_pos) = _glewSearchExtension("GL_ARB_window_pos", extStart, extEnd);
   if (glewExperimental || GLEW_ARB_window_pos) CONST_CAST(GLEW_ARB_window_pos) = !_glewInit_GL_ARB_window_pos(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ARB_window_pos */
 #ifdef GL_ATIX_point_sprites
-  CONST_CAST(GLEW_ATIX_point_sprites) = glewGetExtension("GL_ATIX_point_sprites");
+  CONST_CAST(GLEW_ATIX_point_sprites) = _glewSearchExtension("GL_ATIX_point_sprites", extStart, extEnd);
 #endif /* GL_ATIX_point_sprites */
 #ifdef GL_ATIX_texture_env_combine3
-  CONST_CAST(GLEW_ATIX_texture_env_combine3) = glewGetExtension("GL_ATIX_texture_env_combine3");
+  CONST_CAST(GLEW_ATIX_texture_env_combine3) = _glewSearchExtension("GL_ATIX_texture_env_combine3", extStart, extEnd);
 #endif /* GL_ATIX_texture_env_combine3 */
 #ifdef GL_ATIX_texture_env_route
-  CONST_CAST(GLEW_ATIX_texture_env_route) = glewGetExtension("GL_ATIX_texture_env_route");
+  CONST_CAST(GLEW_ATIX_texture_env_route) = _glewSearchExtension("GL_ATIX_texture_env_route", extStart, extEnd);
 #endif /* GL_ATIX_texture_env_route */
 #ifdef GL_ATIX_vertex_shader_output_point_size
-  CONST_CAST(GLEW_ATIX_vertex_shader_output_point_size) = glewGetExtension("GL_ATIX_vertex_shader_output_point_size");
+  CONST_CAST(GLEW_ATIX_vertex_shader_output_point_size) = _glewSearchExtension("GL_ATIX_vertex_shader_output_point_size", extStart, extEnd);
 #endif /* GL_ATIX_vertex_shader_output_point_size */
 #ifdef GL_ATI_draw_buffers
-  CONST_CAST(GLEW_ATI_draw_buffers) = glewGetExtension("GL_ATI_draw_buffers");
+  CONST_CAST(GLEW_ATI_draw_buffers) = _glewSearchExtension("GL_ATI_draw_buffers", extStart, extEnd);
   if (glewExperimental || GLEW_ATI_draw_buffers) CONST_CAST(GLEW_ATI_draw_buffers) = !_glewInit_GL_ATI_draw_buffers(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ATI_draw_buffers */
 #ifdef GL_ATI_element_array
-  CONST_CAST(GLEW_ATI_element_array) = glewGetExtension("GL_ATI_element_array");
+  CONST_CAST(GLEW_ATI_element_array) = _glewSearchExtension("GL_ATI_element_array", extStart, extEnd);
   if (glewExperimental || GLEW_ATI_element_array) CONST_CAST(GLEW_ATI_element_array) = !_glewInit_GL_ATI_element_array(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ATI_element_array */
 #ifdef GL_ATI_envmap_bumpmap
-  CONST_CAST(GLEW_ATI_envmap_bumpmap) = glewGetExtension("GL_ATI_envmap_bumpmap");
+  CONST_CAST(GLEW_ATI_envmap_bumpmap) = _glewSearchExtension("GL_ATI_envmap_bumpmap", extStart, extEnd);
   if (glewExperimental || GLEW_ATI_envmap_bumpmap) CONST_CAST(GLEW_ATI_envmap_bumpmap) = !_glewInit_GL_ATI_envmap_bumpmap(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ATI_envmap_bumpmap */
 #ifdef GL_ATI_fragment_shader
-  CONST_CAST(GLEW_ATI_fragment_shader) = glewGetExtension("GL_ATI_fragment_shader");
+  CONST_CAST(GLEW_ATI_fragment_shader) = _glewSearchExtension("GL_ATI_fragment_shader", extStart, extEnd);
   if (glewExperimental || GLEW_ATI_fragment_shader) CONST_CAST(GLEW_ATI_fragment_shader) = !_glewInit_GL_ATI_fragment_shader(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ATI_fragment_shader */
 #ifdef GL_ATI_map_object_buffer
-  CONST_CAST(GLEW_ATI_map_object_buffer) = glewGetExtension("GL_ATI_map_object_buffer");
+  CONST_CAST(GLEW_ATI_map_object_buffer) = _glewSearchExtension("GL_ATI_map_object_buffer", extStart, extEnd);
   if (glewExperimental || GLEW_ATI_map_object_buffer) CONST_CAST(GLEW_ATI_map_object_buffer) = !_glewInit_GL_ATI_map_object_buffer(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ATI_map_object_buffer */
 #ifdef GL_ATI_meminfo
-  CONST_CAST(GLEW_ATI_meminfo) = glewGetExtension("GL_ATI_meminfo");
+  CONST_CAST(GLEW_ATI_meminfo) = _glewSearchExtension("GL_ATI_meminfo", extStart, extEnd);
 #endif /* GL_ATI_meminfo */
 #ifdef GL_ATI_pn_triangles
-  CONST_CAST(GLEW_ATI_pn_triangles) = glewGetExtension("GL_ATI_pn_triangles");
+  CONST_CAST(GLEW_ATI_pn_triangles) = _glewSearchExtension("GL_ATI_pn_triangles", extStart, extEnd);
   if (glewExperimental || GLEW_ATI_pn_triangles) CONST_CAST(GLEW_ATI_pn_triangles) = !_glewInit_GL_ATI_pn_triangles(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ATI_pn_triangles */
 #ifdef GL_ATI_separate_stencil
-  CONST_CAST(GLEW_ATI_separate_stencil) = glewGetExtension("GL_ATI_separate_stencil");
+  CONST_CAST(GLEW_ATI_separate_stencil) = _glewSearchExtension("GL_ATI_separate_stencil", extStart, extEnd);
   if (glewExperimental || GLEW_ATI_separate_stencil) CONST_CAST(GLEW_ATI_separate_stencil) = !_glewInit_GL_ATI_separate_stencil(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ATI_separate_stencil */
 #ifdef GL_ATI_shader_texture_lod
-  CONST_CAST(GLEW_ATI_shader_texture_lod) = glewGetExtension("GL_ATI_shader_texture_lod");
+  CONST_CAST(GLEW_ATI_shader_texture_lod) = _glewSearchExtension("GL_ATI_shader_texture_lod", extStart, extEnd);
 #endif /* GL_ATI_shader_texture_lod */
 #ifdef GL_ATI_text_fragment_shader
-  CONST_CAST(GLEW_ATI_text_fragment_shader) = glewGetExtension("GL_ATI_text_fragment_shader");
+  CONST_CAST(GLEW_ATI_text_fragment_shader) = _glewSearchExtension("GL_ATI_text_fragment_shader", extStart, extEnd);
 #endif /* GL_ATI_text_fragment_shader */
 #ifdef GL_ATI_texture_compression_3dc
-  CONST_CAST(GLEW_ATI_texture_compression_3dc) = glewGetExtension("GL_ATI_texture_compression_3dc");
+  CONST_CAST(GLEW_ATI_texture_compression_3dc) = _glewSearchExtension("GL_ATI_texture_compression_3dc", extStart, extEnd);
 #endif /* GL_ATI_texture_compression_3dc */
 #ifdef GL_ATI_texture_env_combine3
-  CONST_CAST(GLEW_ATI_texture_env_combine3) = glewGetExtension("GL_ATI_texture_env_combine3");
+  CONST_CAST(GLEW_ATI_texture_env_combine3) = _glewSearchExtension("GL_ATI_texture_env_combine3", extStart, extEnd);
 #endif /* GL_ATI_texture_env_combine3 */
 #ifdef GL_ATI_texture_float
-  CONST_CAST(GLEW_ATI_texture_float) = glewGetExtension("GL_ATI_texture_float");
+  CONST_CAST(GLEW_ATI_texture_float) = _glewSearchExtension("GL_ATI_texture_float", extStart, extEnd);
 #endif /* GL_ATI_texture_float */
 #ifdef GL_ATI_texture_mirror_once
-  CONST_CAST(GLEW_ATI_texture_mirror_once) = glewGetExtension("GL_ATI_texture_mirror_once");
+  CONST_CAST(GLEW_ATI_texture_mirror_once) = _glewSearchExtension("GL_ATI_texture_mirror_once", extStart, extEnd);
 #endif /* GL_ATI_texture_mirror_once */
 #ifdef GL_ATI_vertex_array_object
-  CONST_CAST(GLEW_ATI_vertex_array_object) = glewGetExtension("GL_ATI_vertex_array_object");
+  CONST_CAST(GLEW_ATI_vertex_array_object) = _glewSearchExtension("GL_ATI_vertex_array_object", extStart, extEnd);
   if (glewExperimental || GLEW_ATI_vertex_array_object) CONST_CAST(GLEW_ATI_vertex_array_object) = !_glewInit_GL_ATI_vertex_array_object(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ATI_vertex_array_object */
 #ifdef GL_ATI_vertex_attrib_array_object
-  CONST_CAST(GLEW_ATI_vertex_attrib_array_object) = glewGetExtension("GL_ATI_vertex_attrib_array_object");
+  CONST_CAST(GLEW_ATI_vertex_attrib_array_object) = _glewSearchExtension("GL_ATI_vertex_attrib_array_object", extStart, extEnd);
   if (glewExperimental || GLEW_ATI_vertex_attrib_array_object) CONST_CAST(GLEW_ATI_vertex_attrib_array_object) = !_glewInit_GL_ATI_vertex_attrib_array_object(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ATI_vertex_attrib_array_object */
 #ifdef GL_ATI_vertex_streams
-  CONST_CAST(GLEW_ATI_vertex_streams) = glewGetExtension("GL_ATI_vertex_streams");
+  CONST_CAST(GLEW_ATI_vertex_streams) = _glewSearchExtension("GL_ATI_vertex_streams", extStart, extEnd);
   if (glewExperimental || GLEW_ATI_vertex_streams) CONST_CAST(GLEW_ATI_vertex_streams) = !_glewInit_GL_ATI_vertex_streams(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_ATI_vertex_streams */
 #ifdef GL_EXT_422_pixels
-  CONST_CAST(GLEW_EXT_422_pixels) = glewGetExtension("GL_EXT_422_pixels");
+  CONST_CAST(GLEW_EXT_422_pixels) = _glewSearchExtension("GL_EXT_422_pixels", extStart, extEnd);
 #endif /* GL_EXT_422_pixels */
 #ifdef GL_EXT_Cg_shader
-  CONST_CAST(GLEW_EXT_Cg_shader) = glewGetExtension("GL_EXT_Cg_shader");
+  CONST_CAST(GLEW_EXT_Cg_shader) = _glewSearchExtension("GL_EXT_Cg_shader", extStart, extEnd);
 #endif /* GL_EXT_Cg_shader */
 #ifdef GL_EXT_abgr
-  CONST_CAST(GLEW_EXT_abgr) = glewGetExtension("GL_EXT_abgr");
+  CONST_CAST(GLEW_EXT_abgr) = _glewSearchExtension("GL_EXT_abgr", extStart, extEnd);
 #endif /* GL_EXT_abgr */
 #ifdef GL_EXT_bgra
-  CONST_CAST(GLEW_EXT_bgra) = glewGetExtension("GL_EXT_bgra");
+  CONST_CAST(GLEW_EXT_bgra) = _glewSearchExtension("GL_EXT_bgra", extStart, extEnd);
 #endif /* GL_EXT_bgra */
 #ifdef GL_EXT_bindable_uniform
-  CONST_CAST(GLEW_EXT_bindable_uniform) = glewGetExtension("GL_EXT_bindable_uniform");
+  CONST_CAST(GLEW_EXT_bindable_uniform) = _glewSearchExtension("GL_EXT_bindable_uniform", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_bindable_uniform) CONST_CAST(GLEW_EXT_bindable_uniform) = !_glewInit_GL_EXT_bindable_uniform(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_bindable_uniform */
 #ifdef GL_EXT_blend_color
-  CONST_CAST(GLEW_EXT_blend_color) = glewGetExtension("GL_EXT_blend_color");
+  CONST_CAST(GLEW_EXT_blend_color) = _glewSearchExtension("GL_EXT_blend_color", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_blend_color) CONST_CAST(GLEW_EXT_blend_color) = !_glewInit_GL_EXT_blend_color(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_blend_color */
 #ifdef GL_EXT_blend_equation_separate
-  CONST_CAST(GLEW_EXT_blend_equation_separate) = glewGetExtension("GL_EXT_blend_equation_separate");
+  CONST_CAST(GLEW_EXT_blend_equation_separate) = _glewSearchExtension("GL_EXT_blend_equation_separate", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_blend_equation_separate) CONST_CAST(GLEW_EXT_blend_equation_separate) = !_glewInit_GL_EXT_blend_equation_separate(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_blend_equation_separate */
 #ifdef GL_EXT_blend_func_separate
-  CONST_CAST(GLEW_EXT_blend_func_separate) = glewGetExtension("GL_EXT_blend_func_separate");
+  CONST_CAST(GLEW_EXT_blend_func_separate) = _glewSearchExtension("GL_EXT_blend_func_separate", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_blend_func_separate) CONST_CAST(GLEW_EXT_blend_func_separate) = !_glewInit_GL_EXT_blend_func_separate(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_blend_func_separate */
 #ifdef GL_EXT_blend_logic_op
-  CONST_CAST(GLEW_EXT_blend_logic_op) = glewGetExtension("GL_EXT_blend_logic_op");
+  CONST_CAST(GLEW_EXT_blend_logic_op) = _glewSearchExtension("GL_EXT_blend_logic_op", extStart, extEnd);
 #endif /* GL_EXT_blend_logic_op */
 #ifdef GL_EXT_blend_minmax
-  CONST_CAST(GLEW_EXT_blend_minmax) = glewGetExtension("GL_EXT_blend_minmax");
+  CONST_CAST(GLEW_EXT_blend_minmax) = _glewSearchExtension("GL_EXT_blend_minmax", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_blend_minmax) CONST_CAST(GLEW_EXT_blend_minmax) = !_glewInit_GL_EXT_blend_minmax(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_blend_minmax */
 #ifdef GL_EXT_blend_subtract
-  CONST_CAST(GLEW_EXT_blend_subtract) = glewGetExtension("GL_EXT_blend_subtract");
+  CONST_CAST(GLEW_EXT_blend_subtract) = _glewSearchExtension("GL_EXT_blend_subtract", extStart, extEnd);
 #endif /* GL_EXT_blend_subtract */
 #ifdef GL_EXT_clip_volume_hint
-  CONST_CAST(GLEW_EXT_clip_volume_hint) = glewGetExtension("GL_EXT_clip_volume_hint");
+  CONST_CAST(GLEW_EXT_clip_volume_hint) = _glewSearchExtension("GL_EXT_clip_volume_hint", extStart, extEnd);
 #endif /* GL_EXT_clip_volume_hint */
 #ifdef GL_EXT_cmyka
-  CONST_CAST(GLEW_EXT_cmyka) = glewGetExtension("GL_EXT_cmyka");
+  CONST_CAST(GLEW_EXT_cmyka) = _glewSearchExtension("GL_EXT_cmyka", extStart, extEnd);
 #endif /* GL_EXT_cmyka */
 #ifdef GL_EXT_color_subtable
-  CONST_CAST(GLEW_EXT_color_subtable) = glewGetExtension("GL_EXT_color_subtable");
+  CONST_CAST(GLEW_EXT_color_subtable) = _glewSearchExtension("GL_EXT_color_subtable", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_color_subtable) CONST_CAST(GLEW_EXT_color_subtable) = !_glewInit_GL_EXT_color_subtable(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_color_subtable */
 #ifdef GL_EXT_compiled_vertex_array
-  CONST_CAST(GLEW_EXT_compiled_vertex_array) = glewGetExtension("GL_EXT_compiled_vertex_array");
+  CONST_CAST(GLEW_EXT_compiled_vertex_array) = _glewSearchExtension("GL_EXT_compiled_vertex_array", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_compiled_vertex_array) CONST_CAST(GLEW_EXT_compiled_vertex_array) = !_glewInit_GL_EXT_compiled_vertex_array(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_compiled_vertex_array */
 #ifdef GL_EXT_convolution
-  CONST_CAST(GLEW_EXT_convolution) = glewGetExtension("GL_EXT_convolution");
+  CONST_CAST(GLEW_EXT_convolution) = _glewSearchExtension("GL_EXT_convolution", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_convolution) CONST_CAST(GLEW_EXT_convolution) = !_glewInit_GL_EXT_convolution(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_convolution */
 #ifdef GL_EXT_coordinate_frame
-  CONST_CAST(GLEW_EXT_coordinate_frame) = glewGetExtension("GL_EXT_coordinate_frame");
+  CONST_CAST(GLEW_EXT_coordinate_frame) = _glewSearchExtension("GL_EXT_coordinate_frame", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_coordinate_frame) CONST_CAST(GLEW_EXT_coordinate_frame) = !_glewInit_GL_EXT_coordinate_frame(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_coordinate_frame */
 #ifdef GL_EXT_copy_texture
-  CONST_CAST(GLEW_EXT_copy_texture) = glewGetExtension("GL_EXT_copy_texture");
+  CONST_CAST(GLEW_EXT_copy_texture) = _glewSearchExtension("GL_EXT_copy_texture", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_copy_texture) CONST_CAST(GLEW_EXT_copy_texture) = !_glewInit_GL_EXT_copy_texture(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_copy_texture */
 #ifdef GL_EXT_cull_vertex
-  CONST_CAST(GLEW_EXT_cull_vertex) = glewGetExtension("GL_EXT_cull_vertex");
+  CONST_CAST(GLEW_EXT_cull_vertex) = _glewSearchExtension("GL_EXT_cull_vertex", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_cull_vertex) CONST_CAST(GLEW_EXT_cull_vertex) = !_glewInit_GL_EXT_cull_vertex(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_cull_vertex */
 #ifdef GL_EXT_depth_bounds_test
-  CONST_CAST(GLEW_EXT_depth_bounds_test) = glewGetExtension("GL_EXT_depth_bounds_test");
+  CONST_CAST(GLEW_EXT_depth_bounds_test) = _glewSearchExtension("GL_EXT_depth_bounds_test", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_depth_bounds_test) CONST_CAST(GLEW_EXT_depth_bounds_test) = !_glewInit_GL_EXT_depth_bounds_test(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_depth_bounds_test */
 #ifdef GL_EXT_direct_state_access
-  CONST_CAST(GLEW_EXT_direct_state_access) = glewGetExtension("GL_EXT_direct_state_access");
+  CONST_CAST(GLEW_EXT_direct_state_access) = _glewSearchExtension("GL_EXT_direct_state_access", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_direct_state_access) CONST_CAST(GLEW_EXT_direct_state_access) = !_glewInit_GL_EXT_direct_state_access(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_direct_state_access */
 #ifdef GL_EXT_draw_buffers2
-  CONST_CAST(GLEW_EXT_draw_buffers2) = glewGetExtension("GL_EXT_draw_buffers2");
+  CONST_CAST(GLEW_EXT_draw_buffers2) = _glewSearchExtension("GL_EXT_draw_buffers2", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_draw_buffers2) CONST_CAST(GLEW_EXT_draw_buffers2) = !_glewInit_GL_EXT_draw_buffers2(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_draw_buffers2 */
 #ifdef GL_EXT_draw_instanced
-  CONST_CAST(GLEW_EXT_draw_instanced) = glewGetExtension("GL_EXT_draw_instanced");
+  CONST_CAST(GLEW_EXT_draw_instanced) = _glewSearchExtension("GL_EXT_draw_instanced", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_draw_instanced) CONST_CAST(GLEW_EXT_draw_instanced) = !_glewInit_GL_EXT_draw_instanced(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_draw_instanced */
 #ifdef GL_EXT_draw_range_elements
-  CONST_CAST(GLEW_EXT_draw_range_elements) = glewGetExtension("GL_EXT_draw_range_elements");
+  CONST_CAST(GLEW_EXT_draw_range_elements) = _glewSearchExtension("GL_EXT_draw_range_elements", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_draw_range_elements) CONST_CAST(GLEW_EXT_draw_range_elements) = !_glewInit_GL_EXT_draw_range_elements(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_draw_range_elements */
 #ifdef GL_EXT_fog_coord
-  CONST_CAST(GLEW_EXT_fog_coord) = glewGetExtension("GL_EXT_fog_coord");
+  CONST_CAST(GLEW_EXT_fog_coord) = _glewSearchExtension("GL_EXT_fog_coord", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_fog_coord) CONST_CAST(GLEW_EXT_fog_coord) = !_glewInit_GL_EXT_fog_coord(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_fog_coord */
 #ifdef GL_EXT_fragment_lighting
-  CONST_CAST(GLEW_EXT_fragment_lighting) = glewGetExtension("GL_EXT_fragment_lighting");
+  CONST_CAST(GLEW_EXT_fragment_lighting) = _glewSearchExtension("GL_EXT_fragment_lighting", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_fragment_lighting) CONST_CAST(GLEW_EXT_fragment_lighting) = !_glewInit_GL_EXT_fragment_lighting(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_fragment_lighting */
 #ifdef GL_EXT_framebuffer_blit
-  CONST_CAST(GLEW_EXT_framebuffer_blit) = glewGetExtension("GL_EXT_framebuffer_blit");
+  CONST_CAST(GLEW_EXT_framebuffer_blit) = _glewSearchExtension("GL_EXT_framebuffer_blit", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_framebuffer_blit) CONST_CAST(GLEW_EXT_framebuffer_blit) = !_glewInit_GL_EXT_framebuffer_blit(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_framebuffer_blit */
 #ifdef GL_EXT_framebuffer_multisample
-  CONST_CAST(GLEW_EXT_framebuffer_multisample) = glewGetExtension("GL_EXT_framebuffer_multisample");
+  CONST_CAST(GLEW_EXT_framebuffer_multisample) = _glewSearchExtension("GL_EXT_framebuffer_multisample", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_framebuffer_multisample) CONST_CAST(GLEW_EXT_framebuffer_multisample) = !_glewInit_GL_EXT_framebuffer_multisample(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_framebuffer_multisample */
 #ifdef GL_EXT_framebuffer_object
-  CONST_CAST(GLEW_EXT_framebuffer_object) = glewGetExtension("GL_EXT_framebuffer_object");
+  CONST_CAST(GLEW_EXT_framebuffer_object) = _glewSearchExtension("GL_EXT_framebuffer_object", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_framebuffer_object) CONST_CAST(GLEW_EXT_framebuffer_object) = !_glewInit_GL_EXT_framebuffer_object(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_framebuffer_object */
 #ifdef GL_EXT_framebuffer_sRGB
-  CONST_CAST(GLEW_EXT_framebuffer_sRGB) = glewGetExtension("GL_EXT_framebuffer_sRGB");
+  CONST_CAST(GLEW_EXT_framebuffer_sRGB) = _glewSearchExtension("GL_EXT_framebuffer_sRGB", extStart, extEnd);
 #endif /* GL_EXT_framebuffer_sRGB */
 #ifdef GL_EXT_geometry_shader4
-  CONST_CAST(GLEW_EXT_geometry_shader4) = glewGetExtension("GL_EXT_geometry_shader4");
+  CONST_CAST(GLEW_EXT_geometry_shader4) = _glewSearchExtension("GL_EXT_geometry_shader4", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_geometry_shader4) CONST_CAST(GLEW_EXT_geometry_shader4) = !_glewInit_GL_EXT_geometry_shader4(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_geometry_shader4 */
 #ifdef GL_EXT_gpu_program_parameters
-  CONST_CAST(GLEW_EXT_gpu_program_parameters) = glewGetExtension("GL_EXT_gpu_program_parameters");
+  CONST_CAST(GLEW_EXT_gpu_program_parameters) = _glewSearchExtension("GL_EXT_gpu_program_parameters", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_gpu_program_parameters) CONST_CAST(GLEW_EXT_gpu_program_parameters) = !_glewInit_GL_EXT_gpu_program_parameters(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_gpu_program_parameters */
 #ifdef GL_EXT_gpu_shader4
-  CONST_CAST(GLEW_EXT_gpu_shader4) = glewGetExtension("GL_EXT_gpu_shader4");
+  CONST_CAST(GLEW_EXT_gpu_shader4) = _glewSearchExtension("GL_EXT_gpu_shader4", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_gpu_shader4) CONST_CAST(GLEW_EXT_gpu_shader4) = !_glewInit_GL_EXT_gpu_shader4(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_gpu_shader4 */
 #ifdef GL_EXT_histogram
-  CONST_CAST(GLEW_EXT_histogram) = glewGetExtension("GL_EXT_histogram");
+  CONST_CAST(GLEW_EXT_histogram) = _glewSearchExtension("GL_EXT_histogram", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_histogram) CONST_CAST(GLEW_EXT_histogram) = !_glewInit_GL_EXT_histogram(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_histogram */
 #ifdef GL_EXT_index_array_formats
-  CONST_CAST(GLEW_EXT_index_array_formats) = glewGetExtension("GL_EXT_index_array_formats");
+  CONST_CAST(GLEW_EXT_index_array_formats) = _glewSearchExtension("GL_EXT_index_array_formats", extStart, extEnd);
 #endif /* GL_EXT_index_array_formats */
 #ifdef GL_EXT_index_func
-  CONST_CAST(GLEW_EXT_index_func) = glewGetExtension("GL_EXT_index_func");
+  CONST_CAST(GLEW_EXT_index_func) = _glewSearchExtension("GL_EXT_index_func", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_index_func) CONST_CAST(GLEW_EXT_index_func) = !_glewInit_GL_EXT_index_func(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_index_func */
 #ifdef GL_EXT_index_material
-  CONST_CAST(GLEW_EXT_index_material) = glewGetExtension("GL_EXT_index_material");
+  CONST_CAST(GLEW_EXT_index_material) = _glewSearchExtension("GL_EXT_index_material", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_index_material) CONST_CAST(GLEW_EXT_index_material) = !_glewInit_GL_EXT_index_material(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_index_material */
 #ifdef GL_EXT_index_texture
-  CONST_CAST(GLEW_EXT_index_texture) = glewGetExtension("GL_EXT_index_texture");
+  CONST_CAST(GLEW_EXT_index_texture) = _glewSearchExtension("GL_EXT_index_texture", extStart, extEnd);
 #endif /* GL_EXT_index_texture */
 #ifdef GL_EXT_light_texture
-  CONST_CAST(GLEW_EXT_light_texture) = glewGetExtension("GL_EXT_light_texture");
+  CONST_CAST(GLEW_EXT_light_texture) = _glewSearchExtension("GL_EXT_light_texture", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_light_texture) CONST_CAST(GLEW_EXT_light_texture) = !_glewInit_GL_EXT_light_texture(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_light_texture */
 #ifdef GL_EXT_misc_attribute
-  CONST_CAST(GLEW_EXT_misc_attribute) = glewGetExtension("GL_EXT_misc_attribute");
+  CONST_CAST(GLEW_EXT_misc_attribute) = _glewSearchExtension("GL_EXT_misc_attribute", extStart, extEnd);
 #endif /* GL_EXT_misc_attribute */
 #ifdef GL_EXT_multi_draw_arrays
-  CONST_CAST(GLEW_EXT_multi_draw_arrays) = glewGetExtension("GL_EXT_multi_draw_arrays");
+  CONST_CAST(GLEW_EXT_multi_draw_arrays) = _glewSearchExtension("GL_EXT_multi_draw_arrays", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_multi_draw_arrays) CONST_CAST(GLEW_EXT_multi_draw_arrays) = !_glewInit_GL_EXT_multi_draw_arrays(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_multi_draw_arrays */
 #ifdef GL_EXT_multisample
-  CONST_CAST(GLEW_EXT_multisample) = glewGetExtension("GL_EXT_multisample");
+  CONST_CAST(GLEW_EXT_multisample) = _glewSearchExtension("GL_EXT_multisample", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_multisample) CONST_CAST(GLEW_EXT_multisample) = !_glewInit_GL_EXT_multisample(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_multisample */
 #ifdef GL_EXT_packed_depth_stencil
-  CONST_CAST(GLEW_EXT_packed_depth_stencil) = glewGetExtension("GL_EXT_packed_depth_stencil");
+  CONST_CAST(GLEW_EXT_packed_depth_stencil) = _glewSearchExtension("GL_EXT_packed_depth_stencil", extStart, extEnd);
 #endif /* GL_EXT_packed_depth_stencil */
 #ifdef GL_EXT_packed_float
-  CONST_CAST(GLEW_EXT_packed_float) = glewGetExtension("GL_EXT_packed_float");
+  CONST_CAST(GLEW_EXT_packed_float) = _glewSearchExtension("GL_EXT_packed_float", extStart, extEnd);
 #endif /* GL_EXT_packed_float */
 #ifdef GL_EXT_packed_pixels
-  CONST_CAST(GLEW_EXT_packed_pixels) = glewGetExtension("GL_EXT_packed_pixels");
+  CONST_CAST(GLEW_EXT_packed_pixels) = _glewSearchExtension("GL_EXT_packed_pixels", extStart, extEnd);
 #endif /* GL_EXT_packed_pixels */
 #ifdef GL_EXT_paletted_texture
-  CONST_CAST(GLEW_EXT_paletted_texture) = glewGetExtension("GL_EXT_paletted_texture");
+  CONST_CAST(GLEW_EXT_paletted_texture) = _glewSearchExtension("GL_EXT_paletted_texture", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_paletted_texture) CONST_CAST(GLEW_EXT_paletted_texture) = !_glewInit_GL_EXT_paletted_texture(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_paletted_texture */
 #ifdef GL_EXT_pixel_buffer_object
-  CONST_CAST(GLEW_EXT_pixel_buffer_object) = glewGetExtension("GL_EXT_pixel_buffer_object");
+  CONST_CAST(GLEW_EXT_pixel_buffer_object) = _glewSearchExtension("GL_EXT_pixel_buffer_object", extStart, extEnd);
 #endif /* GL_EXT_pixel_buffer_object */
 #ifdef GL_EXT_pixel_transform
-  CONST_CAST(GLEW_EXT_pixel_transform) = glewGetExtension("GL_EXT_pixel_transform");
+  CONST_CAST(GLEW_EXT_pixel_transform) = _glewSearchExtension("GL_EXT_pixel_transform", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_pixel_transform) CONST_CAST(GLEW_EXT_pixel_transform) = !_glewInit_GL_EXT_pixel_transform(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_pixel_transform */
 #ifdef GL_EXT_pixel_transform_color_table
-  CONST_CAST(GLEW_EXT_pixel_transform_color_table) = glewGetExtension("GL_EXT_pixel_transform_color_table");
+  CONST_CAST(GLEW_EXT_pixel_transform_color_table) = _glewSearchExtension("GL_EXT_pixel_transform_color_table", extStart, extEnd);
 #endif /* GL_EXT_pixel_transform_color_table */
 #ifdef GL_EXT_point_parameters
-  CONST_CAST(GLEW_EXT_point_parameters) = glewGetExtension("GL_EXT_point_parameters");
+  CONST_CAST(GLEW_EXT_point_parameters) = _glewSearchExtension("GL_EXT_point_parameters", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_point_parameters) CONST_CAST(GLEW_EXT_point_parameters) = !_glewInit_GL_EXT_point_parameters(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_point_parameters */
 #ifdef GL_EXT_polygon_offset
-  CONST_CAST(GLEW_EXT_polygon_offset) = glewGetExtension("GL_EXT_polygon_offset");
+  CONST_CAST(GLEW_EXT_polygon_offset) = _glewSearchExtension("GL_EXT_polygon_offset", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_polygon_offset) CONST_CAST(GLEW_EXT_polygon_offset) = !_glewInit_GL_EXT_polygon_offset(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_polygon_offset */
 #ifdef GL_EXT_provoking_vertex
-  CONST_CAST(GLEW_EXT_provoking_vertex) = glewGetExtension("GL_EXT_provoking_vertex");
+  CONST_CAST(GLEW_EXT_provoking_vertex) = _glewSearchExtension("GL_EXT_provoking_vertex", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_provoking_vertex) CONST_CAST(GLEW_EXT_provoking_vertex) = !_glewInit_GL_EXT_provoking_vertex(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_provoking_vertex */
 #ifdef GL_EXT_rescale_normal
-  CONST_CAST(GLEW_EXT_rescale_normal) = glewGetExtension("GL_EXT_rescale_normal");
+  CONST_CAST(GLEW_EXT_rescale_normal) = _glewSearchExtension("GL_EXT_rescale_normal", extStart, extEnd);
 #endif /* GL_EXT_rescale_normal */
 #ifdef GL_EXT_scene_marker
-  CONST_CAST(GLEW_EXT_scene_marker) = glewGetExtension("GL_EXT_scene_marker");
+  CONST_CAST(GLEW_EXT_scene_marker) = _glewSearchExtension("GL_EXT_scene_marker", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_scene_marker) CONST_CAST(GLEW_EXT_scene_marker) = !_glewInit_GL_EXT_scene_marker(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_scene_marker */
 #ifdef GL_EXT_secondary_color
-  CONST_CAST(GLEW_EXT_secondary_color) = glewGetExtension("GL_EXT_secondary_color");
+  CONST_CAST(GLEW_EXT_secondary_color) = _glewSearchExtension("GL_EXT_secondary_color", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_secondary_color) CONST_CAST(GLEW_EXT_secondary_color) = !_glewInit_GL_EXT_secondary_color(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_secondary_color */
 #ifdef GL_EXT_separate_shader_objects
-  CONST_CAST(GLEW_EXT_separate_shader_objects) = glewGetExtension("GL_EXT_separate_shader_objects");
+  CONST_CAST(GLEW_EXT_separate_shader_objects) = _glewSearchExtension("GL_EXT_separate_shader_objects", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_separate_shader_objects) CONST_CAST(GLEW_EXT_separate_shader_objects) = !_glewInit_GL_EXT_separate_shader_objects(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_separate_shader_objects */
 #ifdef GL_EXT_separate_specular_color
-  CONST_CAST(GLEW_EXT_separate_specular_color) = glewGetExtension("GL_EXT_separate_specular_color");
+  CONST_CAST(GLEW_EXT_separate_specular_color) = _glewSearchExtension("GL_EXT_separate_specular_color", extStart, extEnd);
 #endif /* GL_EXT_separate_specular_color */
 #ifdef GL_EXT_shader_image_load_store
-  CONST_CAST(GLEW_EXT_shader_image_load_store) = glewGetExtension("GL_EXT_shader_image_load_store");
+  CONST_CAST(GLEW_EXT_shader_image_load_store) = _glewSearchExtension("GL_EXT_shader_image_load_store", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_shader_image_load_store) CONST_CAST(GLEW_EXT_shader_image_load_store) = !_glewInit_GL_EXT_shader_image_load_store(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_shader_image_load_store */
 #ifdef GL_EXT_shadow_funcs
-  CONST_CAST(GLEW_EXT_shadow_funcs) = glewGetExtension("GL_EXT_shadow_funcs");
+  CONST_CAST(GLEW_EXT_shadow_funcs) = _glewSearchExtension("GL_EXT_shadow_funcs", extStart, extEnd);
 #endif /* GL_EXT_shadow_funcs */
 #ifdef GL_EXT_shared_texture_palette
-  CONST_CAST(GLEW_EXT_shared_texture_palette) = glewGetExtension("GL_EXT_shared_texture_palette");
+  CONST_CAST(GLEW_EXT_shared_texture_palette) = _glewSearchExtension("GL_EXT_shared_texture_palette", extStart, extEnd);
 #endif /* GL_EXT_shared_texture_palette */
 #ifdef GL_EXT_stencil_clear_tag
-  CONST_CAST(GLEW_EXT_stencil_clear_tag) = glewGetExtension("GL_EXT_stencil_clear_tag");
+  CONST_CAST(GLEW_EXT_stencil_clear_tag) = _glewSearchExtension("GL_EXT_stencil_clear_tag", extStart, extEnd);
 #endif /* GL_EXT_stencil_clear_tag */
 #ifdef GL_EXT_stencil_two_side
-  CONST_CAST(GLEW_EXT_stencil_two_side) = glewGetExtension("GL_EXT_stencil_two_side");
+  CONST_CAST(GLEW_EXT_stencil_two_side) = _glewSearchExtension("GL_EXT_stencil_two_side", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_stencil_two_side) CONST_CAST(GLEW_EXT_stencil_two_side) = !_glewInit_GL_EXT_stencil_two_side(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_stencil_two_side */
 #ifdef GL_EXT_stencil_wrap
-  CONST_CAST(GLEW_EXT_stencil_wrap) = glewGetExtension("GL_EXT_stencil_wrap");
+  CONST_CAST(GLEW_EXT_stencil_wrap) = _glewSearchExtension("GL_EXT_stencil_wrap", extStart, extEnd);
 #endif /* GL_EXT_stencil_wrap */
 #ifdef GL_EXT_subtexture
-  CONST_CAST(GLEW_EXT_subtexture) = glewGetExtension("GL_EXT_subtexture");
+  CONST_CAST(GLEW_EXT_subtexture) = _glewSearchExtension("GL_EXT_subtexture", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_subtexture) CONST_CAST(GLEW_EXT_subtexture) = !_glewInit_GL_EXT_subtexture(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_subtexture */
 #ifdef GL_EXT_texture
-  CONST_CAST(GLEW_EXT_texture) = glewGetExtension("GL_EXT_texture");
+  CONST_CAST(GLEW_EXT_texture) = _glewSearchExtension("GL_EXT_texture", extStart, extEnd);
 #endif /* GL_EXT_texture */
 #ifdef GL_EXT_texture3D
-  CONST_CAST(GLEW_EXT_texture3D) = glewGetExtension("GL_EXT_texture3D");
+  CONST_CAST(GLEW_EXT_texture3D) = _glewSearchExtension("GL_EXT_texture3D", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_texture3D) CONST_CAST(GLEW_EXT_texture3D) = !_glewInit_GL_EXT_texture3D(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_texture3D */
 #ifdef GL_EXT_texture_array
-  CONST_CAST(GLEW_EXT_texture_array) = glewGetExtension("GL_EXT_texture_array");
+  CONST_CAST(GLEW_EXT_texture_array) = _glewSearchExtension("GL_EXT_texture_array", extStart, extEnd);
+  if (glewExperimental || GLEW_EXT_texture_array) CONST_CAST(GLEW_EXT_texture_array) = !_glewInit_GL_EXT_texture_array(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_texture_array */
 #ifdef GL_EXT_texture_buffer_object
-  CONST_CAST(GLEW_EXT_texture_buffer_object) = glewGetExtension("GL_EXT_texture_buffer_object");
+  CONST_CAST(GLEW_EXT_texture_buffer_object) = _glewSearchExtension("GL_EXT_texture_buffer_object", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_texture_buffer_object) CONST_CAST(GLEW_EXT_texture_buffer_object) = !_glewInit_GL_EXT_texture_buffer_object(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_texture_buffer_object */
 #ifdef GL_EXT_texture_compression_dxt1
-  CONST_CAST(GLEW_EXT_texture_compression_dxt1) = glewGetExtension("GL_EXT_texture_compression_dxt1");
+  CONST_CAST(GLEW_EXT_texture_compression_dxt1) = _glewSearchExtension("GL_EXT_texture_compression_dxt1", extStart, extEnd);
 #endif /* GL_EXT_texture_compression_dxt1 */
 #ifdef GL_EXT_texture_compression_latc
-  CONST_CAST(GLEW_EXT_texture_compression_latc) = glewGetExtension("GL_EXT_texture_compression_latc");
+  CONST_CAST(GLEW_EXT_texture_compression_latc) = _glewSearchExtension("GL_EXT_texture_compression_latc", extStart, extEnd);
 #endif /* GL_EXT_texture_compression_latc */
 #ifdef GL_EXT_texture_compression_rgtc
-  CONST_CAST(GLEW_EXT_texture_compression_rgtc) = glewGetExtension("GL_EXT_texture_compression_rgtc");
+  CONST_CAST(GLEW_EXT_texture_compression_rgtc) = _glewSearchExtension("GL_EXT_texture_compression_rgtc", extStart, extEnd);
 #endif /* GL_EXT_texture_compression_rgtc */
 #ifdef GL_EXT_texture_compression_s3tc
-  CONST_CAST(GLEW_EXT_texture_compression_s3tc) = glewGetExtension("GL_EXT_texture_compression_s3tc");
+  CONST_CAST(GLEW_EXT_texture_compression_s3tc) = _glewSearchExtension("GL_EXT_texture_compression_s3tc", extStart, extEnd);
 #endif /* GL_EXT_texture_compression_s3tc */
 #ifdef GL_EXT_texture_cube_map
-  CONST_CAST(GLEW_EXT_texture_cube_map) = glewGetExtension("GL_EXT_texture_cube_map");
+  CONST_CAST(GLEW_EXT_texture_cube_map) = _glewSearchExtension("GL_EXT_texture_cube_map", extStart, extEnd);
 #endif /* GL_EXT_texture_cube_map */
 #ifdef GL_EXT_texture_edge_clamp
-  CONST_CAST(GLEW_EXT_texture_edge_clamp) = glewGetExtension("GL_EXT_texture_edge_clamp");
+  CONST_CAST(GLEW_EXT_texture_edge_clamp) = _glewSearchExtension("GL_EXT_texture_edge_clamp", extStart, extEnd);
 #endif /* GL_EXT_texture_edge_clamp */
 #ifdef GL_EXT_texture_env
-  CONST_CAST(GLEW_EXT_texture_env) = glewGetExtension("GL_EXT_texture_env");
+  CONST_CAST(GLEW_EXT_texture_env) = _glewSearchExtension("GL_EXT_texture_env", extStart, extEnd);
 #endif /* GL_EXT_texture_env */
 #ifdef GL_EXT_texture_env_add
-  CONST_CAST(GLEW_EXT_texture_env_add) = glewGetExtension("GL_EXT_texture_env_add");
+  CONST_CAST(GLEW_EXT_texture_env_add) = _glewSearchExtension("GL_EXT_texture_env_add", extStart, extEnd);
 #endif /* GL_EXT_texture_env_add */
 #ifdef GL_EXT_texture_env_combine
-  CONST_CAST(GLEW_EXT_texture_env_combine) = glewGetExtension("GL_EXT_texture_env_combine");
+  CONST_CAST(GLEW_EXT_texture_env_combine) = _glewSearchExtension("GL_EXT_texture_env_combine", extStart, extEnd);
 #endif /* GL_EXT_texture_env_combine */
 #ifdef GL_EXT_texture_env_dot3
-  CONST_CAST(GLEW_EXT_texture_env_dot3) = glewGetExtension("GL_EXT_texture_env_dot3");
+  CONST_CAST(GLEW_EXT_texture_env_dot3) = _glewSearchExtension("GL_EXT_texture_env_dot3", extStart, extEnd);
 #endif /* GL_EXT_texture_env_dot3 */
 #ifdef GL_EXT_texture_filter_anisotropic
-  CONST_CAST(GLEW_EXT_texture_filter_anisotropic) = glewGetExtension("GL_EXT_texture_filter_anisotropic");
+  CONST_CAST(GLEW_EXT_texture_filter_anisotropic) = _glewSearchExtension("GL_EXT_texture_filter_anisotropic", extStart, extEnd);
 #endif /* GL_EXT_texture_filter_anisotropic */
 #ifdef GL_EXT_texture_integer
-  CONST_CAST(GLEW_EXT_texture_integer) = glewGetExtension("GL_EXT_texture_integer");
+  CONST_CAST(GLEW_EXT_texture_integer) = _glewSearchExtension("GL_EXT_texture_integer", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_texture_integer) CONST_CAST(GLEW_EXT_texture_integer) = !_glewInit_GL_EXT_texture_integer(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_texture_integer */
 #ifdef GL_EXT_texture_lod_bias
-  CONST_CAST(GLEW_EXT_texture_lod_bias) = glewGetExtension("GL_EXT_texture_lod_bias");
+  CONST_CAST(GLEW_EXT_texture_lod_bias) = _glewSearchExtension("GL_EXT_texture_lod_bias", extStart, extEnd);
 #endif /* GL_EXT_texture_lod_bias */
 #ifdef GL_EXT_texture_mirror_clamp
-  CONST_CAST(GLEW_EXT_texture_mirror_clamp) = glewGetExtension("GL_EXT_texture_mirror_clamp");
+  CONST_CAST(GLEW_EXT_texture_mirror_clamp) = _glewSearchExtension("GL_EXT_texture_mirror_clamp", extStart, extEnd);
 #endif /* GL_EXT_texture_mirror_clamp */
 #ifdef GL_EXT_texture_object
-  CONST_CAST(GLEW_EXT_texture_object) = glewGetExtension("GL_EXT_texture_object");
+  CONST_CAST(GLEW_EXT_texture_object) = _glewSearchExtension("GL_EXT_texture_object", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_texture_object) CONST_CAST(GLEW_EXT_texture_object) = !_glewInit_GL_EXT_texture_object(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_texture_object */
 #ifdef GL_EXT_texture_perturb_normal
-  CONST_CAST(GLEW_EXT_texture_perturb_normal) = glewGetExtension("GL_EXT_texture_perturb_normal");
+  CONST_CAST(GLEW_EXT_texture_perturb_normal) = _glewSearchExtension("GL_EXT_texture_perturb_normal", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_texture_perturb_normal) CONST_CAST(GLEW_EXT_texture_perturb_normal) = !_glewInit_GL_EXT_texture_perturb_normal(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_texture_perturb_normal */
 #ifdef GL_EXT_texture_rectangle
-  CONST_CAST(GLEW_EXT_texture_rectangle) = glewGetExtension("GL_EXT_texture_rectangle");
+  CONST_CAST(GLEW_EXT_texture_rectangle) = _glewSearchExtension("GL_EXT_texture_rectangle", extStart, extEnd);
 #endif /* GL_EXT_texture_rectangle */
 #ifdef GL_EXT_texture_sRGB
-  CONST_CAST(GLEW_EXT_texture_sRGB) = glewGetExtension("GL_EXT_texture_sRGB");
+  CONST_CAST(GLEW_EXT_texture_sRGB) = _glewSearchExtension("GL_EXT_texture_sRGB", extStart, extEnd);
 #endif /* GL_EXT_texture_sRGB */
 #ifdef GL_EXT_texture_sRGB_decode
-  CONST_CAST(GLEW_EXT_texture_sRGB_decode) = glewGetExtension("GL_EXT_texture_sRGB_decode");
+  CONST_CAST(GLEW_EXT_texture_sRGB_decode) = _glewSearchExtension("GL_EXT_texture_sRGB_decode", extStart, extEnd);
 #endif /* GL_EXT_texture_sRGB_decode */
 #ifdef GL_EXT_texture_shared_exponent
-  CONST_CAST(GLEW_EXT_texture_shared_exponent) = glewGetExtension("GL_EXT_texture_shared_exponent");
+  CONST_CAST(GLEW_EXT_texture_shared_exponent) = _glewSearchExtension("GL_EXT_texture_shared_exponent", extStart, extEnd);
 #endif /* GL_EXT_texture_shared_exponent */
 #ifdef GL_EXT_texture_snorm
-  CONST_CAST(GLEW_EXT_texture_snorm) = glewGetExtension("GL_EXT_texture_snorm");
+  CONST_CAST(GLEW_EXT_texture_snorm) = _glewSearchExtension("GL_EXT_texture_snorm", extStart, extEnd);
 #endif /* GL_EXT_texture_snorm */
 #ifdef GL_EXT_texture_swizzle
-  CONST_CAST(GLEW_EXT_texture_swizzle) = glewGetExtension("GL_EXT_texture_swizzle");
+  CONST_CAST(GLEW_EXT_texture_swizzle) = _glewSearchExtension("GL_EXT_texture_swizzle", extStart, extEnd);
 #endif /* GL_EXT_texture_swizzle */
 #ifdef GL_EXT_timer_query
-  CONST_CAST(GLEW_EXT_timer_query) = glewGetExtension("GL_EXT_timer_query");
+  CONST_CAST(GLEW_EXT_timer_query) = _glewSearchExtension("GL_EXT_timer_query", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_timer_query) CONST_CAST(GLEW_EXT_timer_query) = !_glewInit_GL_EXT_timer_query(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_timer_query */
 #ifdef GL_EXT_transform_feedback
-  CONST_CAST(GLEW_EXT_transform_feedback) = glewGetExtension("GL_EXT_transform_feedback");
+  CONST_CAST(GLEW_EXT_transform_feedback) = _glewSearchExtension("GL_EXT_transform_feedback", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_transform_feedback) CONST_CAST(GLEW_EXT_transform_feedback) = !_glewInit_GL_EXT_transform_feedback(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_transform_feedback */
 #ifdef GL_EXT_vertex_array
-  CONST_CAST(GLEW_EXT_vertex_array) = glewGetExtension("GL_EXT_vertex_array");
+  CONST_CAST(GLEW_EXT_vertex_array) = _glewSearchExtension("GL_EXT_vertex_array", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_vertex_array) CONST_CAST(GLEW_EXT_vertex_array) = !_glewInit_GL_EXT_vertex_array(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_vertex_array */
 #ifdef GL_EXT_vertex_array_bgra
-  CONST_CAST(GLEW_EXT_vertex_array_bgra) = glewGetExtension("GL_EXT_vertex_array_bgra");
+  CONST_CAST(GLEW_EXT_vertex_array_bgra) = _glewSearchExtension("GL_EXT_vertex_array_bgra", extStart, extEnd);
 #endif /* GL_EXT_vertex_array_bgra */
 #ifdef GL_EXT_vertex_attrib_64bit
-  CONST_CAST(GLEW_EXT_vertex_attrib_64bit) = glewGetExtension("GL_EXT_vertex_attrib_64bit");
+  CONST_CAST(GLEW_EXT_vertex_attrib_64bit) = _glewSearchExtension("GL_EXT_vertex_attrib_64bit", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_vertex_attrib_64bit) CONST_CAST(GLEW_EXT_vertex_attrib_64bit) = !_glewInit_GL_EXT_vertex_attrib_64bit(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_vertex_attrib_64bit */
 #ifdef GL_EXT_vertex_shader
-  CONST_CAST(GLEW_EXT_vertex_shader) = glewGetExtension("GL_EXT_vertex_shader");
+  CONST_CAST(GLEW_EXT_vertex_shader) = _glewSearchExtension("GL_EXT_vertex_shader", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_vertex_shader) CONST_CAST(GLEW_EXT_vertex_shader) = !_glewInit_GL_EXT_vertex_shader(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_vertex_shader */
 #ifdef GL_EXT_vertex_weighting
-  CONST_CAST(GLEW_EXT_vertex_weighting) = glewGetExtension("GL_EXT_vertex_weighting");
+  CONST_CAST(GLEW_EXT_vertex_weighting) = _glewSearchExtension("GL_EXT_vertex_weighting", extStart, extEnd);
   if (glewExperimental || GLEW_EXT_vertex_weighting) CONST_CAST(GLEW_EXT_vertex_weighting) = !_glewInit_GL_EXT_vertex_weighting(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_EXT_vertex_weighting */
+#ifdef GL_EXT_x11_sync_object
+  CONST_CAST(GLEW_EXT_x11_sync_object) = _glewSearchExtension("GL_EXT_x11_sync_object", extStart, extEnd);
+  if (glewExperimental || GLEW_EXT_x11_sync_object) CONST_CAST(GLEW_EXT_x11_sync_object) = !_glewInit_GL_EXT_x11_sync_object(GLEW_CONTEXT_ARG_VAR_INIT);
+#endif /* GL_EXT_x11_sync_object */
 #ifdef GL_GREMEDY_frame_terminator
-  CONST_CAST(GLEW_GREMEDY_frame_terminator) = glewGetExtension("GL_GREMEDY_frame_terminator");
+  CONST_CAST(GLEW_GREMEDY_frame_terminator) = _glewSearchExtension("GL_GREMEDY_frame_terminator", extStart, extEnd);
   if (glewExperimental || GLEW_GREMEDY_frame_terminator) CONST_CAST(GLEW_GREMEDY_frame_terminator) = !_glewInit_GL_GREMEDY_frame_terminator(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_GREMEDY_frame_terminator */
 #ifdef GL_GREMEDY_string_marker
-  CONST_CAST(GLEW_GREMEDY_string_marker) = glewGetExtension("GL_GREMEDY_string_marker");
+  CONST_CAST(GLEW_GREMEDY_string_marker) = _glewSearchExtension("GL_GREMEDY_string_marker", extStart, extEnd);
   if (glewExperimental || GLEW_GREMEDY_string_marker) CONST_CAST(GLEW_GREMEDY_string_marker) = !_glewInit_GL_GREMEDY_string_marker(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_GREMEDY_string_marker */
 #ifdef GL_HP_convolution_border_modes
-  CONST_CAST(GLEW_HP_convolution_border_modes) = glewGetExtension("GL_HP_convolution_border_modes");
+  CONST_CAST(GLEW_HP_convolution_border_modes) = _glewSearchExtension("GL_HP_convolution_border_modes", extStart, extEnd);
 #endif /* GL_HP_convolution_border_modes */
 #ifdef GL_HP_image_transform
-  CONST_CAST(GLEW_HP_image_transform) = glewGetExtension("GL_HP_image_transform");
+  CONST_CAST(GLEW_HP_image_transform) = _glewSearchExtension("GL_HP_image_transform", extStart, extEnd);
   if (glewExperimental || GLEW_HP_image_transform) CONST_CAST(GLEW_HP_image_transform) = !_glewInit_GL_HP_image_transform(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_HP_image_transform */
 #ifdef GL_HP_occlusion_test
-  CONST_CAST(GLEW_HP_occlusion_test) = glewGetExtension("GL_HP_occlusion_test");
+  CONST_CAST(GLEW_HP_occlusion_test) = _glewSearchExtension("GL_HP_occlusion_test", extStart, extEnd);
 #endif /* GL_HP_occlusion_test */
 #ifdef GL_HP_texture_lighting
-  CONST_CAST(GLEW_HP_texture_lighting) = glewGetExtension("GL_HP_texture_lighting");
+  CONST_CAST(GLEW_HP_texture_lighting) = _glewSearchExtension("GL_HP_texture_lighting", extStart, extEnd);
 #endif /* GL_HP_texture_lighting */
 #ifdef GL_IBM_cull_vertex
-  CONST_CAST(GLEW_IBM_cull_vertex) = glewGetExtension("GL_IBM_cull_vertex");
+  CONST_CAST(GLEW_IBM_cull_vertex) = _glewSearchExtension("GL_IBM_cull_vertex", extStart, extEnd);
 #endif /* GL_IBM_cull_vertex */
 #ifdef GL_IBM_multimode_draw_arrays
-  CONST_CAST(GLEW_IBM_multimode_draw_arrays) = glewGetExtension("GL_IBM_multimode_draw_arrays");
+  CONST_CAST(GLEW_IBM_multimode_draw_arrays) = _glewSearchExtension("GL_IBM_multimode_draw_arrays", extStart, extEnd);
   if (glewExperimental || GLEW_IBM_multimode_draw_arrays) CONST_CAST(GLEW_IBM_multimode_draw_arrays) = !_glewInit_GL_IBM_multimode_draw_arrays(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_IBM_multimode_draw_arrays */
 #ifdef GL_IBM_rasterpos_clip
-  CONST_CAST(GLEW_IBM_rasterpos_clip) = glewGetExtension("GL_IBM_rasterpos_clip");
+  CONST_CAST(GLEW_IBM_rasterpos_clip) = _glewSearchExtension("GL_IBM_rasterpos_clip", extStart, extEnd);
 #endif /* GL_IBM_rasterpos_clip */
 #ifdef GL_IBM_static_data
-  CONST_CAST(GLEW_IBM_static_data) = glewGetExtension("GL_IBM_static_data");
+  CONST_CAST(GLEW_IBM_static_data) = _glewSearchExtension("GL_IBM_static_data", extStart, extEnd);
 #endif /* GL_IBM_static_data */
 #ifdef GL_IBM_texture_mirrored_repeat
-  CONST_CAST(GLEW_IBM_texture_mirrored_repeat) = glewGetExtension("GL_IBM_texture_mirrored_repeat");
+  CONST_CAST(GLEW_IBM_texture_mirrored_repeat) = _glewSearchExtension("GL_IBM_texture_mirrored_repeat", extStart, extEnd);
 #endif /* GL_IBM_texture_mirrored_repeat */
 #ifdef GL_IBM_vertex_array_lists
-  CONST_CAST(GLEW_IBM_vertex_array_lists) = glewGetExtension("GL_IBM_vertex_array_lists");
+  CONST_CAST(GLEW_IBM_vertex_array_lists) = _glewSearchExtension("GL_IBM_vertex_array_lists", extStart, extEnd);
   if (glewExperimental || GLEW_IBM_vertex_array_lists) CONST_CAST(GLEW_IBM_vertex_array_lists) = !_glewInit_GL_IBM_vertex_array_lists(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_IBM_vertex_array_lists */
 #ifdef GL_INGR_color_clamp
-  CONST_CAST(GLEW_INGR_color_clamp) = glewGetExtension("GL_INGR_color_clamp");
+  CONST_CAST(GLEW_INGR_color_clamp) = _glewSearchExtension("GL_INGR_color_clamp", extStart, extEnd);
 #endif /* GL_INGR_color_clamp */
 #ifdef GL_INGR_interlace_read
-  CONST_CAST(GLEW_INGR_interlace_read) = glewGetExtension("GL_INGR_interlace_read");
+  CONST_CAST(GLEW_INGR_interlace_read) = _glewSearchExtension("GL_INGR_interlace_read", extStart, extEnd);
 #endif /* GL_INGR_interlace_read */
 #ifdef GL_INTEL_parallel_arrays
-  CONST_CAST(GLEW_INTEL_parallel_arrays) = glewGetExtension("GL_INTEL_parallel_arrays");
+  CONST_CAST(GLEW_INTEL_parallel_arrays) = _glewSearchExtension("GL_INTEL_parallel_arrays", extStart, extEnd);
   if (glewExperimental || GLEW_INTEL_parallel_arrays) CONST_CAST(GLEW_INTEL_parallel_arrays) = !_glewInit_GL_INTEL_parallel_arrays(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_INTEL_parallel_arrays */
 #ifdef GL_INTEL_texture_scissor
-  CONST_CAST(GLEW_INTEL_texture_scissor) = glewGetExtension("GL_INTEL_texture_scissor");
+  CONST_CAST(GLEW_INTEL_texture_scissor) = _glewSearchExtension("GL_INTEL_texture_scissor", extStart, extEnd);
   if (glewExperimental || GLEW_INTEL_texture_scissor) CONST_CAST(GLEW_INTEL_texture_scissor) = !_glewInit_GL_INTEL_texture_scissor(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_INTEL_texture_scissor */
 #ifdef GL_KTX_buffer_region
-  CONST_CAST(GLEW_KTX_buffer_region) = glewGetExtension("GL_KTX_buffer_region");
+  CONST_CAST(GLEW_KTX_buffer_region) = _glewSearchExtension("GL_KTX_buffer_region", extStart, extEnd);
   if (glewExperimental || GLEW_KTX_buffer_region) CONST_CAST(GLEW_KTX_buffer_region) = !_glewInit_GL_KTX_buffer_region(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_KTX_buffer_region */
 #ifdef GL_MESAX_texture_stack
-  CONST_CAST(GLEW_MESAX_texture_stack) = glewGetExtension("GL_MESAX_texture_stack");
+  CONST_CAST(GLEW_MESAX_texture_stack) = _glewSearchExtension("GL_MESAX_texture_stack", extStart, extEnd);
 #endif /* GL_MESAX_texture_stack */
 #ifdef GL_MESA_pack_invert
-  CONST_CAST(GLEW_MESA_pack_invert) = glewGetExtension("GL_MESA_pack_invert");
+  CONST_CAST(GLEW_MESA_pack_invert) = _glewSearchExtension("GL_MESA_pack_invert", extStart, extEnd);
 #endif /* GL_MESA_pack_invert */
 #ifdef GL_MESA_resize_buffers
-  CONST_CAST(GLEW_MESA_resize_buffers) = glewGetExtension("GL_MESA_resize_buffers");
+  CONST_CAST(GLEW_MESA_resize_buffers) = _glewSearchExtension("GL_MESA_resize_buffers", extStart, extEnd);
   if (glewExperimental || GLEW_MESA_resize_buffers) CONST_CAST(GLEW_MESA_resize_buffers) = !_glewInit_GL_MESA_resize_buffers(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_MESA_resize_buffers */
 #ifdef GL_MESA_window_pos
-  CONST_CAST(GLEW_MESA_window_pos) = glewGetExtension("GL_MESA_window_pos");
+  CONST_CAST(GLEW_MESA_window_pos) = _glewSearchExtension("GL_MESA_window_pos", extStart, extEnd);
   if (glewExperimental || GLEW_MESA_window_pos) CONST_CAST(GLEW_MESA_window_pos) = !_glewInit_GL_MESA_window_pos(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_MESA_window_pos */
 #ifdef GL_MESA_ycbcr_texture
-  CONST_CAST(GLEW_MESA_ycbcr_texture) = glewGetExtension("GL_MESA_ycbcr_texture");
+  CONST_CAST(GLEW_MESA_ycbcr_texture) = _glewSearchExtension("GL_MESA_ycbcr_texture", extStart, extEnd);
 #endif /* GL_MESA_ycbcr_texture */
 #ifdef GL_NVX_gpu_memory_info
-  CONST_CAST(GLEW_NVX_gpu_memory_info) = glewGetExtension("GL_NVX_gpu_memory_info");
+  CONST_CAST(GLEW_NVX_gpu_memory_info) = _glewSearchExtension("GL_NVX_gpu_memory_info", extStart, extEnd);
 #endif /* GL_NVX_gpu_memory_info */
 #ifdef GL_NV_blend_square
-  CONST_CAST(GLEW_NV_blend_square) = glewGetExtension("GL_NV_blend_square");
+  CONST_CAST(GLEW_NV_blend_square) = _glewSearchExtension("GL_NV_blend_square", extStart, extEnd);
 #endif /* GL_NV_blend_square */
 #ifdef GL_NV_conditional_render
-  CONST_CAST(GLEW_NV_conditional_render) = glewGetExtension("GL_NV_conditional_render");
+  CONST_CAST(GLEW_NV_conditional_render) = _glewSearchExtension("GL_NV_conditional_render", extStart, extEnd);
   if (glewExperimental || GLEW_NV_conditional_render) CONST_CAST(GLEW_NV_conditional_render) = !_glewInit_GL_NV_conditional_render(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_conditional_render */
 #ifdef GL_NV_copy_depth_to_color
-  CONST_CAST(GLEW_NV_copy_depth_to_color) = glewGetExtension("GL_NV_copy_depth_to_color");
+  CONST_CAST(GLEW_NV_copy_depth_to_color) = _glewSearchExtension("GL_NV_copy_depth_to_color", extStart, extEnd);
 #endif /* GL_NV_copy_depth_to_color */
 #ifdef GL_NV_copy_image
-  CONST_CAST(GLEW_NV_copy_image) = glewGetExtension("GL_NV_copy_image");
+  CONST_CAST(GLEW_NV_copy_image) = _glewSearchExtension("GL_NV_copy_image", extStart, extEnd);
   if (glewExperimental || GLEW_NV_copy_image) CONST_CAST(GLEW_NV_copy_image) = !_glewInit_GL_NV_copy_image(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_copy_image */
 #ifdef GL_NV_depth_buffer_float
-  CONST_CAST(GLEW_NV_depth_buffer_float) = glewGetExtension("GL_NV_depth_buffer_float");
+  CONST_CAST(GLEW_NV_depth_buffer_float) = _glewSearchExtension("GL_NV_depth_buffer_float", extStart, extEnd);
   if (glewExperimental || GLEW_NV_depth_buffer_float) CONST_CAST(GLEW_NV_depth_buffer_float) = !_glewInit_GL_NV_depth_buffer_float(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_depth_buffer_float */
 #ifdef GL_NV_depth_clamp
-  CONST_CAST(GLEW_NV_depth_clamp) = glewGetExtension("GL_NV_depth_clamp");
+  CONST_CAST(GLEW_NV_depth_clamp) = _glewSearchExtension("GL_NV_depth_clamp", extStart, extEnd);
 #endif /* GL_NV_depth_clamp */
 #ifdef GL_NV_depth_range_unclamped
-  CONST_CAST(GLEW_NV_depth_range_unclamped) = glewGetExtension("GL_NV_depth_range_unclamped");
+  CONST_CAST(GLEW_NV_depth_range_unclamped) = _glewSearchExtension("GL_NV_depth_range_unclamped", extStart, extEnd);
 #endif /* GL_NV_depth_range_unclamped */
 #ifdef GL_NV_evaluators
-  CONST_CAST(GLEW_NV_evaluators) = glewGetExtension("GL_NV_evaluators");
+  CONST_CAST(GLEW_NV_evaluators) = _glewSearchExtension("GL_NV_evaluators", extStart, extEnd);
   if (glewExperimental || GLEW_NV_evaluators) CONST_CAST(GLEW_NV_evaluators) = !_glewInit_GL_NV_evaluators(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_evaluators */
 #ifdef GL_NV_explicit_multisample
-  CONST_CAST(GLEW_NV_explicit_multisample) = glewGetExtension("GL_NV_explicit_multisample");
+  CONST_CAST(GLEW_NV_explicit_multisample) = _glewSearchExtension("GL_NV_explicit_multisample", extStart, extEnd);
   if (glewExperimental || GLEW_NV_explicit_multisample) CONST_CAST(GLEW_NV_explicit_multisample) = !_glewInit_GL_NV_explicit_multisample(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_explicit_multisample */
 #ifdef GL_NV_fence
-  CONST_CAST(GLEW_NV_fence) = glewGetExtension("GL_NV_fence");
+  CONST_CAST(GLEW_NV_fence) = _glewSearchExtension("GL_NV_fence", extStart, extEnd);
   if (glewExperimental || GLEW_NV_fence) CONST_CAST(GLEW_NV_fence) = !_glewInit_GL_NV_fence(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_fence */
 #ifdef GL_NV_float_buffer
-  CONST_CAST(GLEW_NV_float_buffer) = glewGetExtension("GL_NV_float_buffer");
+  CONST_CAST(GLEW_NV_float_buffer) = _glewSearchExtension("GL_NV_float_buffer", extStart, extEnd);
 #endif /* GL_NV_float_buffer */
 #ifdef GL_NV_fog_distance
-  CONST_CAST(GLEW_NV_fog_distance) = glewGetExtension("GL_NV_fog_distance");
+  CONST_CAST(GLEW_NV_fog_distance) = _glewSearchExtension("GL_NV_fog_distance", extStart, extEnd);
 #endif /* GL_NV_fog_distance */
 #ifdef GL_NV_fragment_program
-  CONST_CAST(GLEW_NV_fragment_program) = glewGetExtension("GL_NV_fragment_program");
+  CONST_CAST(GLEW_NV_fragment_program) = _glewSearchExtension("GL_NV_fragment_program", extStart, extEnd);
   if (glewExperimental || GLEW_NV_fragment_program) CONST_CAST(GLEW_NV_fragment_program) = !_glewInit_GL_NV_fragment_program(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_fragment_program */
 #ifdef GL_NV_fragment_program2
-  CONST_CAST(GLEW_NV_fragment_program2) = glewGetExtension("GL_NV_fragment_program2");
+  CONST_CAST(GLEW_NV_fragment_program2) = _glewSearchExtension("GL_NV_fragment_program2", extStart, extEnd);
 #endif /* GL_NV_fragment_program2 */
 #ifdef GL_NV_fragment_program4
-  CONST_CAST(GLEW_NV_fragment_program4) = glewGetExtension("GL_NV_gpu_program4");
+  CONST_CAST(GLEW_NV_fragment_program4) = _glewSearchExtension("GL_NV_gpu_program4", extStart, extEnd);
 #endif /* GL_NV_fragment_program4 */
 #ifdef GL_NV_fragment_program_option
-  CONST_CAST(GLEW_NV_fragment_program_option) = glewGetExtension("GL_NV_fragment_program_option");
+  CONST_CAST(GLEW_NV_fragment_program_option) = _glewSearchExtension("GL_NV_fragment_program_option", extStart, extEnd);
 #endif /* GL_NV_fragment_program_option */
 #ifdef GL_NV_framebuffer_multisample_coverage
-  CONST_CAST(GLEW_NV_framebuffer_multisample_coverage) = glewGetExtension("GL_NV_framebuffer_multisample_coverage");
+  CONST_CAST(GLEW_NV_framebuffer_multisample_coverage) = _glewSearchExtension("GL_NV_framebuffer_multisample_coverage", extStart, extEnd);
   if (glewExperimental || GLEW_NV_framebuffer_multisample_coverage) CONST_CAST(GLEW_NV_framebuffer_multisample_coverage) = !_glewInit_GL_NV_framebuffer_multisample_coverage(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_framebuffer_multisample_coverage */
 #ifdef GL_NV_geometry_program4
-  CONST_CAST(GLEW_NV_geometry_program4) = glewGetExtension("GL_NV_gpu_program4");
+  CONST_CAST(GLEW_NV_geometry_program4) = _glewSearchExtension("GL_NV_gpu_program4", extStart, extEnd);
   if (glewExperimental || GLEW_NV_geometry_program4) CONST_CAST(GLEW_NV_geometry_program4) = !_glewInit_GL_NV_geometry_program4(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_geometry_program4 */
 #ifdef GL_NV_geometry_shader4
-  CONST_CAST(GLEW_NV_geometry_shader4) = glewGetExtension("GL_NV_geometry_shader4");
+  CONST_CAST(GLEW_NV_geometry_shader4) = _glewSearchExtension("GL_NV_geometry_shader4", extStart, extEnd);
 #endif /* GL_NV_geometry_shader4 */
 #ifdef GL_NV_gpu_program4
-  CONST_CAST(GLEW_NV_gpu_program4) = glewGetExtension("GL_NV_gpu_program4");
+  CONST_CAST(GLEW_NV_gpu_program4) = _glewSearchExtension("GL_NV_gpu_program4", extStart, extEnd);
   if (glewExperimental || GLEW_NV_gpu_program4) CONST_CAST(GLEW_NV_gpu_program4) = !_glewInit_GL_NV_gpu_program4(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_gpu_program4 */
 #ifdef GL_NV_gpu_program5
-  CONST_CAST(GLEW_NV_gpu_program5) = glewGetExtension("GL_NV_gpu_program5");
+  CONST_CAST(GLEW_NV_gpu_program5) = _glewSearchExtension("GL_NV_gpu_program5", extStart, extEnd);
 #endif /* GL_NV_gpu_program5 */
 #ifdef GL_NV_gpu_program_fp64
-  CONST_CAST(GLEW_NV_gpu_program_fp64) = glewGetExtension("GL_NV_gpu_program_fp64");
+  CONST_CAST(GLEW_NV_gpu_program_fp64) = _glewSearchExtension("GL_NV_gpu_program_fp64", extStart, extEnd);
 #endif /* GL_NV_gpu_program_fp64 */
 #ifdef GL_NV_gpu_shader5
-  CONST_CAST(GLEW_NV_gpu_shader5) = glewGetExtension("GL_NV_gpu_shader5");
+  CONST_CAST(GLEW_NV_gpu_shader5) = _glewSearchExtension("GL_NV_gpu_shader5", extStart, extEnd);
   if (glewExperimental || GLEW_NV_gpu_shader5) CONST_CAST(GLEW_NV_gpu_shader5) = !_glewInit_GL_NV_gpu_shader5(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_gpu_shader5 */
 #ifdef GL_NV_half_float
-  CONST_CAST(GLEW_NV_half_float) = glewGetExtension("GL_NV_half_float");
+  CONST_CAST(GLEW_NV_half_float) = _glewSearchExtension("GL_NV_half_float", extStart, extEnd);
   if (glewExperimental || GLEW_NV_half_float) CONST_CAST(GLEW_NV_half_float) = !_glewInit_GL_NV_half_float(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_half_float */
 #ifdef GL_NV_light_max_exponent
-  CONST_CAST(GLEW_NV_light_max_exponent) = glewGetExtension("GL_NV_light_max_exponent");
+  CONST_CAST(GLEW_NV_light_max_exponent) = _glewSearchExtension("GL_NV_light_max_exponent", extStart, extEnd);
 #endif /* GL_NV_light_max_exponent */
 #ifdef GL_NV_multisample_coverage
-  CONST_CAST(GLEW_NV_multisample_coverage) = glewGetExtension("GL_NV_multisample_coverage");
+  CONST_CAST(GLEW_NV_multisample_coverage) = _glewSearchExtension("GL_NV_multisample_coverage", extStart, extEnd);
 #endif /* GL_NV_multisample_coverage */
 #ifdef GL_NV_multisample_filter_hint
-  CONST_CAST(GLEW_NV_multisample_filter_hint) = glewGetExtension("GL_NV_multisample_filter_hint");
+  CONST_CAST(GLEW_NV_multisample_filter_hint) = _glewSearchExtension("GL_NV_multisample_filter_hint", extStart, extEnd);
 #endif /* GL_NV_multisample_filter_hint */
 #ifdef GL_NV_occlusion_query
-  CONST_CAST(GLEW_NV_occlusion_query) = glewGetExtension("GL_NV_occlusion_query");
+  CONST_CAST(GLEW_NV_occlusion_query) = _glewSearchExtension("GL_NV_occlusion_query", extStart, extEnd);
   if (glewExperimental || GLEW_NV_occlusion_query) CONST_CAST(GLEW_NV_occlusion_query) = !_glewInit_GL_NV_occlusion_query(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_occlusion_query */
 #ifdef GL_NV_packed_depth_stencil
-  CONST_CAST(GLEW_NV_packed_depth_stencil) = glewGetExtension("GL_NV_packed_depth_stencil");
+  CONST_CAST(GLEW_NV_packed_depth_stencil) = _glewSearchExtension("GL_NV_packed_depth_stencil", extStart, extEnd);
 #endif /* GL_NV_packed_depth_stencil */
 #ifdef GL_NV_parameter_buffer_object
-  CONST_CAST(GLEW_NV_parameter_buffer_object) = glewGetExtension("GL_NV_parameter_buffer_object");
+  CONST_CAST(GLEW_NV_parameter_buffer_object) = _glewSearchExtension("GL_NV_parameter_buffer_object", extStart, extEnd);
   if (glewExperimental || GLEW_NV_parameter_buffer_object) CONST_CAST(GLEW_NV_parameter_buffer_object) = !_glewInit_GL_NV_parameter_buffer_object(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_parameter_buffer_object */
 #ifdef GL_NV_parameter_buffer_object2
-  CONST_CAST(GLEW_NV_parameter_buffer_object2) = glewGetExtension("GL_NV_parameter_buffer_object2");
+  CONST_CAST(GLEW_NV_parameter_buffer_object2) = _glewSearchExtension("GL_NV_parameter_buffer_object2", extStart, extEnd);
 #endif /* GL_NV_parameter_buffer_object2 */
 #ifdef GL_NV_pixel_data_range
-  CONST_CAST(GLEW_NV_pixel_data_range) = glewGetExtension("GL_NV_pixel_data_range");
+  CONST_CAST(GLEW_NV_pixel_data_range) = _glewSearchExtension("GL_NV_pixel_data_range", extStart, extEnd);
   if (glewExperimental || GLEW_NV_pixel_data_range) CONST_CAST(GLEW_NV_pixel_data_range) = !_glewInit_GL_NV_pixel_data_range(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_pixel_data_range */
 #ifdef GL_NV_point_sprite
-  CONST_CAST(GLEW_NV_point_sprite) = glewGetExtension("GL_NV_point_sprite");
+  CONST_CAST(GLEW_NV_point_sprite) = _glewSearchExtension("GL_NV_point_sprite", extStart, extEnd);
   if (glewExperimental || GLEW_NV_point_sprite) CONST_CAST(GLEW_NV_point_sprite) = !_glewInit_GL_NV_point_sprite(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_point_sprite */
 #ifdef GL_NV_present_video
-  CONST_CAST(GLEW_NV_present_video) = glewGetExtension("GL_NV_present_video");
+  CONST_CAST(GLEW_NV_present_video) = _glewSearchExtension("GL_NV_present_video", extStart, extEnd);
   if (glewExperimental || GLEW_NV_present_video) CONST_CAST(GLEW_NV_present_video) = !_glewInit_GL_NV_present_video(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_present_video */
 #ifdef GL_NV_primitive_restart
-  CONST_CAST(GLEW_NV_primitive_restart) = glewGetExtension("GL_NV_primitive_restart");
+  CONST_CAST(GLEW_NV_primitive_restart) = _glewSearchExtension("GL_NV_primitive_restart", extStart, extEnd);
   if (glewExperimental || GLEW_NV_primitive_restart) CONST_CAST(GLEW_NV_primitive_restart) = !_glewInit_GL_NV_primitive_restart(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_primitive_restart */
 #ifdef GL_NV_register_combiners
-  CONST_CAST(GLEW_NV_register_combiners) = glewGetExtension("GL_NV_register_combiners");
+  CONST_CAST(GLEW_NV_register_combiners) = _glewSearchExtension("GL_NV_register_combiners", extStart, extEnd);
   if (glewExperimental || GLEW_NV_register_combiners) CONST_CAST(GLEW_NV_register_combiners) = !_glewInit_GL_NV_register_combiners(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_register_combiners */
 #ifdef GL_NV_register_combiners2
-  CONST_CAST(GLEW_NV_register_combiners2) = glewGetExtension("GL_NV_register_combiners2");
+  CONST_CAST(GLEW_NV_register_combiners2) = _glewSearchExtension("GL_NV_register_combiners2", extStart, extEnd);
   if (glewExperimental || GLEW_NV_register_combiners2) CONST_CAST(GLEW_NV_register_combiners2) = !_glewInit_GL_NV_register_combiners2(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_register_combiners2 */
 #ifdef GL_NV_shader_buffer_load
-  CONST_CAST(GLEW_NV_shader_buffer_load) = glewGetExtension("GL_NV_shader_buffer_load");
+  CONST_CAST(GLEW_NV_shader_buffer_load) = _glewSearchExtension("GL_NV_shader_buffer_load", extStart, extEnd);
   if (glewExperimental || GLEW_NV_shader_buffer_load) CONST_CAST(GLEW_NV_shader_buffer_load) = !_glewInit_GL_NV_shader_buffer_load(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_shader_buffer_load */
 #ifdef GL_NV_tessellation_program5
-  CONST_CAST(GLEW_NV_tessellation_program5) = glewGetExtension("GL_NV_gpu_program5");
+  CONST_CAST(GLEW_NV_tessellation_program5) = _glewSearchExtension("GL_NV_gpu_program5", extStart, extEnd);
 #endif /* GL_NV_tessellation_program5 */
 #ifdef GL_NV_texgen_emboss
-  CONST_CAST(GLEW_NV_texgen_emboss) = glewGetExtension("GL_NV_texgen_emboss");
+  CONST_CAST(GLEW_NV_texgen_emboss) = _glewSearchExtension("GL_NV_texgen_emboss", extStart, extEnd);
 #endif /* GL_NV_texgen_emboss */
 #ifdef GL_NV_texgen_reflection
-  CONST_CAST(GLEW_NV_texgen_reflection) = glewGetExtension("GL_NV_texgen_reflection");
+  CONST_CAST(GLEW_NV_texgen_reflection) = _glewSearchExtension("GL_NV_texgen_reflection", extStart, extEnd);
 #endif /* GL_NV_texgen_reflection */
 #ifdef GL_NV_texture_barrier
-  CONST_CAST(GLEW_NV_texture_barrier) = glewGetExtension("GL_NV_texture_barrier");
+  CONST_CAST(GLEW_NV_texture_barrier) = _glewSearchExtension("GL_NV_texture_barrier", extStart, extEnd);
   if (glewExperimental || GLEW_NV_texture_barrier) CONST_CAST(GLEW_NV_texture_barrier) = !_glewInit_GL_NV_texture_barrier(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_texture_barrier */
 #ifdef GL_NV_texture_compression_vtc
-  CONST_CAST(GLEW_NV_texture_compression_vtc) = glewGetExtension("GL_NV_texture_compression_vtc");
+  CONST_CAST(GLEW_NV_texture_compression_vtc) = _glewSearchExtension("GL_NV_texture_compression_vtc", extStart, extEnd);
 #endif /* GL_NV_texture_compression_vtc */
 #ifdef GL_NV_texture_env_combine4
-  CONST_CAST(GLEW_NV_texture_env_combine4) = glewGetExtension("GL_NV_texture_env_combine4");
+  CONST_CAST(GLEW_NV_texture_env_combine4) = _glewSearchExtension("GL_NV_texture_env_combine4", extStart, extEnd);
 #endif /* GL_NV_texture_env_combine4 */
 #ifdef GL_NV_texture_expand_normal
-  CONST_CAST(GLEW_NV_texture_expand_normal) = glewGetExtension("GL_NV_texture_expand_normal");
+  CONST_CAST(GLEW_NV_texture_expand_normal) = _glewSearchExtension("GL_NV_texture_expand_normal", extStart, extEnd);
 #endif /* GL_NV_texture_expand_normal */
+#ifdef GL_NV_texture_multisample
+  CONST_CAST(GLEW_NV_texture_multisample) = _glewSearchExtension("GL_NV_texture_multisample", extStart, extEnd);
+  if (glewExperimental || GLEW_NV_texture_multisample) CONST_CAST(GLEW_NV_texture_multisample) = !_glewInit_GL_NV_texture_multisample(GLEW_CONTEXT_ARG_VAR_INIT);
+#endif /* GL_NV_texture_multisample */
 #ifdef GL_NV_texture_rectangle
-  CONST_CAST(GLEW_NV_texture_rectangle) = glewGetExtension("GL_NV_texture_rectangle");
+  CONST_CAST(GLEW_NV_texture_rectangle) = _glewSearchExtension("GL_NV_texture_rectangle", extStart, extEnd);
 #endif /* GL_NV_texture_rectangle */
 #ifdef GL_NV_texture_shader
-  CONST_CAST(GLEW_NV_texture_shader) = glewGetExtension("GL_NV_texture_shader");
+  CONST_CAST(GLEW_NV_texture_shader) = _glewSearchExtension("GL_NV_texture_shader", extStart, extEnd);
 #endif /* GL_NV_texture_shader */
 #ifdef GL_NV_texture_shader2
-  CONST_CAST(GLEW_NV_texture_shader2) = glewGetExtension("GL_NV_texture_shader2");
+  CONST_CAST(GLEW_NV_texture_shader2) = _glewSearchExtension("GL_NV_texture_shader2", extStart, extEnd);
 #endif /* GL_NV_texture_shader2 */
 #ifdef GL_NV_texture_shader3
-  CONST_CAST(GLEW_NV_texture_shader3) = glewGetExtension("GL_NV_texture_shader3");
+  CONST_CAST(GLEW_NV_texture_shader3) = _glewSearchExtension("GL_NV_texture_shader3", extStart, extEnd);
 #endif /* GL_NV_texture_shader3 */
 #ifdef GL_NV_transform_feedback
-  CONST_CAST(GLEW_NV_transform_feedback) = glewGetExtension("GL_NV_transform_feedback");
+  CONST_CAST(GLEW_NV_transform_feedback) = _glewSearchExtension("GL_NV_transform_feedback", extStart, extEnd);
   if (glewExperimental || GLEW_NV_transform_feedback) CONST_CAST(GLEW_NV_transform_feedback) = !_glewInit_GL_NV_transform_feedback(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_transform_feedback */
 #ifdef GL_NV_transform_feedback2
-  CONST_CAST(GLEW_NV_transform_feedback2) = glewGetExtension("GL_NV_transform_feedback2");
+  CONST_CAST(GLEW_NV_transform_feedback2) = _glewSearchExtension("GL_NV_transform_feedback2", extStart, extEnd);
   if (glewExperimental || GLEW_NV_transform_feedback2) CONST_CAST(GLEW_NV_transform_feedback2) = !_glewInit_GL_NV_transform_feedback2(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_transform_feedback2 */
 #ifdef GL_NV_vdpau_interop
-  CONST_CAST(GLEW_NV_vdpau_interop) = glewGetExtension("GL_NV_vdpau_interop");
+  CONST_CAST(GLEW_NV_vdpau_interop) = _glewSearchExtension("GL_NV_vdpau_interop", extStart, extEnd);
   if (glewExperimental || GLEW_NV_vdpau_interop) CONST_CAST(GLEW_NV_vdpau_interop) = !_glewInit_GL_NV_vdpau_interop(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_vdpau_interop */
 #ifdef GL_NV_vertex_array_range
-  CONST_CAST(GLEW_NV_vertex_array_range) = glewGetExtension("GL_NV_vertex_array_range");
+  CONST_CAST(GLEW_NV_vertex_array_range) = _glewSearchExtension("GL_NV_vertex_array_range", extStart, extEnd);
   if (glewExperimental || GLEW_NV_vertex_array_range) CONST_CAST(GLEW_NV_vertex_array_range) = !_glewInit_GL_NV_vertex_array_range(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_vertex_array_range */
 #ifdef GL_NV_vertex_array_range2
-  CONST_CAST(GLEW_NV_vertex_array_range2) = glewGetExtension("GL_NV_vertex_array_range2");
+  CONST_CAST(GLEW_NV_vertex_array_range2) = _glewSearchExtension("GL_NV_vertex_array_range2", extStart, extEnd);
 #endif /* GL_NV_vertex_array_range2 */
 #ifdef GL_NV_vertex_attrib_integer_64bit
-  CONST_CAST(GLEW_NV_vertex_attrib_integer_64bit) = glewGetExtension("GL_NV_vertex_attrib_integer_64bit");
+  CONST_CAST(GLEW_NV_vertex_attrib_integer_64bit) = _glewSearchExtension("GL_NV_vertex_attrib_integer_64bit", extStart, extEnd);
   if (glewExperimental || GLEW_NV_vertex_attrib_integer_64bit) CONST_CAST(GLEW_NV_vertex_attrib_integer_64bit) = !_glewInit_GL_NV_vertex_attrib_integer_64bit(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_vertex_attrib_integer_64bit */
 #ifdef GL_NV_vertex_buffer_unified_memory
-  CONST_CAST(GLEW_NV_vertex_buffer_unified_memory) = glewGetExtension("GL_NV_vertex_buffer_unified_memory");
+  CONST_CAST(GLEW_NV_vertex_buffer_unified_memory) = _glewSearchExtension("GL_NV_vertex_buffer_unified_memory", extStart, extEnd);
   if (glewExperimental || GLEW_NV_vertex_buffer_unified_memory) CONST_CAST(GLEW_NV_vertex_buffer_unified_memory) = !_glewInit_GL_NV_vertex_buffer_unified_memory(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_vertex_buffer_unified_memory */
 #ifdef GL_NV_vertex_program
-  CONST_CAST(GLEW_NV_vertex_program) = glewGetExtension("GL_NV_vertex_program");
+  CONST_CAST(GLEW_NV_vertex_program) = _glewSearchExtension("GL_NV_vertex_program", extStart, extEnd);
   if (glewExperimental || GLEW_NV_vertex_program) CONST_CAST(GLEW_NV_vertex_program) = !_glewInit_GL_NV_vertex_program(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_NV_vertex_program */
 #ifdef GL_NV_vertex_program1_1
-  CONST_CAST(GLEW_NV_vertex_program1_1) = glewGetExtension("GL_NV_vertex_program1_1");
+  CONST_CAST(GLEW_NV_vertex_program1_1) = _glewSearchExtension("GL_NV_vertex_program1_1", extStart, extEnd);
 #endif /* GL_NV_vertex_program1_1 */
 #ifdef GL_NV_vertex_program2
-  CONST_CAST(GLEW_NV_vertex_program2) = glewGetExtension("GL_NV_vertex_program2");
+  CONST_CAST(GLEW_NV_vertex_program2) = _glewSearchExtension("GL_NV_vertex_program2", extStart, extEnd);
 #endif /* GL_NV_vertex_program2 */
 #ifdef GL_NV_vertex_program2_option
-  CONST_CAST(GLEW_NV_vertex_program2_option) = glewGetExtension("GL_NV_vertex_program2_option");
+  CONST_CAST(GLEW_NV_vertex_program2_option) = _glewSearchExtension("GL_NV_vertex_program2_option", extStart, extEnd);
 #endif /* GL_NV_vertex_program2_option */
 #ifdef GL_NV_vertex_program3
-  CONST_CAST(GLEW_NV_vertex_program3) = glewGetExtension("GL_NV_vertex_program3");
+  CONST_CAST(GLEW_NV_vertex_program3) = _glewSearchExtension("GL_NV_vertex_program3", extStart, extEnd);
 #endif /* GL_NV_vertex_program3 */
 #ifdef GL_NV_vertex_program4
-  CONST_CAST(GLEW_NV_vertex_program4) = glewGetExtension("GL_NV_gpu_program4");
+  CONST_CAST(GLEW_NV_vertex_program4) = _glewSearchExtension("GL_NV_gpu_program4", extStart, extEnd);
 #endif /* GL_NV_vertex_program4 */
+#ifdef GL_NV_video_capture
+  CONST_CAST(GLEW_NV_video_capture) = _glewSearchExtension("GL_NV_video_capture", extStart, extEnd);
+  if (glewExperimental || GLEW_NV_video_capture) CONST_CAST(GLEW_NV_video_capture) = !_glewInit_GL_NV_video_capture(GLEW_CONTEXT_ARG_VAR_INIT);
+#endif /* GL_NV_video_capture */
 #ifdef GL_OES_byte_coordinates
-  CONST_CAST(GLEW_OES_byte_coordinates) = glewGetExtension("GL_OES_byte_coordinates");
+  CONST_CAST(GLEW_OES_byte_coordinates) = _glewSearchExtension("GL_OES_byte_coordinates", extStart, extEnd);
 #endif /* GL_OES_byte_coordinates */
 #ifdef GL_OES_compressed_paletted_texture
-  CONST_CAST(GLEW_OES_compressed_paletted_texture) = glewGetExtension("GL_OES_compressed_paletted_texture");
+  CONST_CAST(GLEW_OES_compressed_paletted_texture) = _glewSearchExtension("GL_OES_compressed_paletted_texture", extStart, extEnd);
 #endif /* GL_OES_compressed_paletted_texture */
 #ifdef GL_OES_read_format
-  CONST_CAST(GLEW_OES_read_format) = glewGetExtension("GL_OES_read_format");
+  CONST_CAST(GLEW_OES_read_format) = _glewSearchExtension("GL_OES_read_format", extStart, extEnd);
 #endif /* GL_OES_read_format */
 #ifdef GL_OES_single_precision
-  CONST_CAST(GLEW_OES_single_precision) = glewGetExtension("GL_OES_single_precision");
+  CONST_CAST(GLEW_OES_single_precision) = _glewSearchExtension("GL_OES_single_precision", extStart, extEnd);
   if (glewExperimental || GLEW_OES_single_precision) CONST_CAST(GLEW_OES_single_precision) = !_glewInit_GL_OES_single_precision(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_OES_single_precision */
 #ifdef GL_OML_interlace
-  CONST_CAST(GLEW_OML_interlace) = glewGetExtension("GL_OML_interlace");
+  CONST_CAST(GLEW_OML_interlace) = _glewSearchExtension("GL_OML_interlace", extStart, extEnd);
 #endif /* GL_OML_interlace */
 #ifdef GL_OML_resample
-  CONST_CAST(GLEW_OML_resample) = glewGetExtension("GL_OML_resample");
+  CONST_CAST(GLEW_OML_resample) = _glewSearchExtension("GL_OML_resample", extStart, extEnd);
 #endif /* GL_OML_resample */
 #ifdef GL_OML_subsample
-  CONST_CAST(GLEW_OML_subsample) = glewGetExtension("GL_OML_subsample");
+  CONST_CAST(GLEW_OML_subsample) = _glewSearchExtension("GL_OML_subsample", extStart, extEnd);
 #endif /* GL_OML_subsample */
 #ifdef GL_PGI_misc_hints
-  CONST_CAST(GLEW_PGI_misc_hints) = glewGetExtension("GL_PGI_misc_hints");
+  CONST_CAST(GLEW_PGI_misc_hints) = _glewSearchExtension("GL_PGI_misc_hints", extStart, extEnd);
 #endif /* GL_PGI_misc_hints */
 #ifdef GL_PGI_vertex_hints
-  CONST_CAST(GLEW_PGI_vertex_hints) = glewGetExtension("GL_PGI_vertex_hints");
+  CONST_CAST(GLEW_PGI_vertex_hints) = _glewSearchExtension("GL_PGI_vertex_hints", extStart, extEnd);
 #endif /* GL_PGI_vertex_hints */
 #ifdef GL_REND_screen_coordinates
-  CONST_CAST(GLEW_REND_screen_coordinates) = glewGetExtension("GL_REND_screen_coordinates");
+  CONST_CAST(GLEW_REND_screen_coordinates) = _glewSearchExtension("GL_REND_screen_coordinates", extStart, extEnd);
 #endif /* GL_REND_screen_coordinates */
 #ifdef GL_S3_s3tc
-  CONST_CAST(GLEW_S3_s3tc) = glewGetExtension("GL_S3_s3tc");
+  CONST_CAST(GLEW_S3_s3tc) = _glewSearchExtension("GL_S3_s3tc", extStart, extEnd);
 #endif /* GL_S3_s3tc */
 #ifdef GL_SGIS_color_range
-  CONST_CAST(GLEW_SGIS_color_range) = glewGetExtension("GL_SGIS_color_range");
+  CONST_CAST(GLEW_SGIS_color_range) = _glewSearchExtension("GL_SGIS_color_range", extStart, extEnd);
 #endif /* GL_SGIS_color_range */
 #ifdef GL_SGIS_detail_texture
-  CONST_CAST(GLEW_SGIS_detail_texture) = glewGetExtension("GL_SGIS_detail_texture");
+  CONST_CAST(GLEW_SGIS_detail_texture) = _glewSearchExtension("GL_SGIS_detail_texture", extStart, extEnd);
   if (glewExperimental || GLEW_SGIS_detail_texture) CONST_CAST(GLEW_SGIS_detail_texture) = !_glewInit_GL_SGIS_detail_texture(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_SGIS_detail_texture */
 #ifdef GL_SGIS_fog_function
-  CONST_CAST(GLEW_SGIS_fog_function) = glewGetExtension("GL_SGIS_fog_function");
+  CONST_CAST(GLEW_SGIS_fog_function) = _glewSearchExtension("GL_SGIS_fog_function", extStart, extEnd);
   if (glewExperimental || GLEW_SGIS_fog_function) CONST_CAST(GLEW_SGIS_fog_function) = !_glewInit_GL_SGIS_fog_function(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_SGIS_fog_function */
 #ifdef GL_SGIS_generate_mipmap
-  CONST_CAST(GLEW_SGIS_generate_mipmap) = glewGetExtension("GL_SGIS_generate_mipmap");
+  CONST_CAST(GLEW_SGIS_generate_mipmap) = _glewSearchExtension("GL_SGIS_generate_mipmap", extStart, extEnd);
 #endif /* GL_SGIS_generate_mipmap */
 #ifdef GL_SGIS_multisample
-  CONST_CAST(GLEW_SGIS_multisample) = glewGetExtension("GL_SGIS_multisample");
+  CONST_CAST(GLEW_SGIS_multisample) = _glewSearchExtension("GL_SGIS_multisample", extStart, extEnd);
   if (glewExperimental || GLEW_SGIS_multisample) CONST_CAST(GLEW_SGIS_multisample) = !_glewInit_GL_SGIS_multisample(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_SGIS_multisample */
 #ifdef GL_SGIS_pixel_texture
-  CONST_CAST(GLEW_SGIS_pixel_texture) = glewGetExtension("GL_SGIS_pixel_texture");
+  CONST_CAST(GLEW_SGIS_pixel_texture) = _glewSearchExtension("GL_SGIS_pixel_texture", extStart, extEnd);
 #endif /* GL_SGIS_pixel_texture */
 #ifdef GL_SGIS_point_line_texgen
-  CONST_CAST(GLEW_SGIS_point_line_texgen) = glewGetExtension("GL_SGIS_point_line_texgen");
+  CONST_CAST(GLEW_SGIS_point_line_texgen) = _glewSearchExtension("GL_SGIS_point_line_texgen", extStart, extEnd);
 #endif /* GL_SGIS_point_line_texgen */
 #ifdef GL_SGIS_sharpen_texture
-  CONST_CAST(GLEW_SGIS_sharpen_texture) = glewGetExtension("GL_SGIS_sharpen_texture");
+  CONST_CAST(GLEW_SGIS_sharpen_texture) = _glewSearchExtension("GL_SGIS_sharpen_texture", extStart, extEnd);
   if (glewExperimental || GLEW_SGIS_sharpen_texture) CONST_CAST(GLEW_SGIS_sharpen_texture) = !_glewInit_GL_SGIS_sharpen_texture(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_SGIS_sharpen_texture */
 #ifdef GL_SGIS_texture4D
-  CONST_CAST(GLEW_SGIS_texture4D) = glewGetExtension("GL_SGIS_texture4D");
+  CONST_CAST(GLEW_SGIS_texture4D) = _glewSearchExtension("GL_SGIS_texture4D", extStart, extEnd);
   if (glewExperimental || GLEW_SGIS_texture4D) CONST_CAST(GLEW_SGIS_texture4D) = !_glewInit_GL_SGIS_texture4D(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_SGIS_texture4D */
 #ifdef GL_SGIS_texture_border_clamp
-  CONST_CAST(GLEW_SGIS_texture_border_clamp) = glewGetExtension("GL_SGIS_texture_border_clamp");
+  CONST_CAST(GLEW_SGIS_texture_border_clamp) = _glewSearchExtension("GL_SGIS_texture_border_clamp", extStart, extEnd);
 #endif /* GL_SGIS_texture_border_clamp */
 #ifdef GL_SGIS_texture_edge_clamp
-  CONST_CAST(GLEW_SGIS_texture_edge_clamp) = glewGetExtension("GL_SGIS_texture_edge_clamp");
+  CONST_CAST(GLEW_SGIS_texture_edge_clamp) = _glewSearchExtension("GL_SGIS_texture_edge_clamp", extStart, extEnd);
 #endif /* GL_SGIS_texture_edge_clamp */
 #ifdef GL_SGIS_texture_filter4
-  CONST_CAST(GLEW_SGIS_texture_filter4) = glewGetExtension("GL_SGIS_texture_filter4");
+  CONST_CAST(GLEW_SGIS_texture_filter4) = _glewSearchExtension("GL_SGIS_texture_filter4", extStart, extEnd);
   if (glewExperimental || GLEW_SGIS_texture_filter4) CONST_CAST(GLEW_SGIS_texture_filter4) = !_glewInit_GL_SGIS_texture_filter4(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_SGIS_texture_filter4 */
 #ifdef GL_SGIS_texture_lod
-  CONST_CAST(GLEW_SGIS_texture_lod) = glewGetExtension("GL_SGIS_texture_lod");
+  CONST_CAST(GLEW_SGIS_texture_lod) = _glewSearchExtension("GL_SGIS_texture_lod", extStart, extEnd);
 #endif /* GL_SGIS_texture_lod */
 #ifdef GL_SGIS_texture_select
-  CONST_CAST(GLEW_SGIS_texture_select) = glewGetExtension("GL_SGIS_texture_select");
+  CONST_CAST(GLEW_SGIS_texture_select) = _glewSearchExtension("GL_SGIS_texture_select", extStart, extEnd);
 #endif /* GL_SGIS_texture_select */
 #ifdef GL_SGIX_async
-  CONST_CAST(GLEW_SGIX_async) = glewGetExtension("GL_SGIX_async");
+  CONST_CAST(GLEW_SGIX_async) = _glewSearchExtension("GL_SGIX_async", extStart, extEnd);
   if (glewExperimental || GLEW_SGIX_async) CONST_CAST(GLEW_SGIX_async) = !_glewInit_GL_SGIX_async(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_SGIX_async */
 #ifdef GL_SGIX_async_histogram
-  CONST_CAST(GLEW_SGIX_async_histogram) = glewGetExtension("GL_SGIX_async_histogram");
+  CONST_CAST(GLEW_SGIX_async_histogram) = _glewSearchExtension("GL_SGIX_async_histogram", extStart, extEnd);
 #endif /* GL_SGIX_async_histogram */
 #ifdef GL_SGIX_async_pixel
-  CONST_CAST(GLEW_SGIX_async_pixel) = glewGetExtension("GL_SGIX_async_pixel");
+  CONST_CAST(GLEW_SGIX_async_pixel) = _glewSearchExtension("GL_SGIX_async_pixel", extStart, extEnd);
 #endif /* GL_SGIX_async_pixel */
 #ifdef GL_SGIX_blend_alpha_minmax
-  CONST_CAST(GLEW_SGIX_blend_alpha_minmax) = glewGetExtension("GL_SGIX_blend_alpha_minmax");
+  CONST_CAST(GLEW_SGIX_blend_alpha_minmax) = _glewSearchExtension("GL_SGIX_blend_alpha_minmax", extStart, extEnd);
 #endif /* GL_SGIX_blend_alpha_minmax */
 #ifdef GL_SGIX_clipmap
-  CONST_CAST(GLEW_SGIX_clipmap) = glewGetExtension("GL_SGIX_clipmap");
+  CONST_CAST(GLEW_SGIX_clipmap) = _glewSearchExtension("GL_SGIX_clipmap", extStart, extEnd);
 #endif /* GL_SGIX_clipmap */
 #ifdef GL_SGIX_convolution_accuracy
-  CONST_CAST(GLEW_SGIX_convolution_accuracy) = glewGetExtension("GL_SGIX_convolution_accuracy");
+  CONST_CAST(GLEW_SGIX_convolution_accuracy) = _glewSearchExtension("GL_SGIX_convolution_accuracy", extStart, extEnd);
 #endif /* GL_SGIX_convolution_accuracy */
 #ifdef GL_SGIX_depth_texture
-  CONST_CAST(GLEW_SGIX_depth_texture) = glewGetExtension("GL_SGIX_depth_texture");
+  CONST_CAST(GLEW_SGIX_depth_texture) = _glewSearchExtension("GL_SGIX_depth_texture", extStart, extEnd);
 #endif /* GL_SGIX_depth_texture */
 #ifdef GL_SGIX_flush_raster
-  CONST_CAST(GLEW_SGIX_flush_raster) = glewGetExtension("GL_SGIX_flush_raster");
+  CONST_CAST(GLEW_SGIX_flush_raster) = _glewSearchExtension("GL_SGIX_flush_raster", extStart, extEnd);
   if (glewExperimental || GLEW_SGIX_flush_raster) CONST_CAST(GLEW_SGIX_flush_raster) = !_glewInit_GL_SGIX_flush_raster(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_SGIX_flush_raster */
 #ifdef GL_SGIX_fog_offset
-  CONST_CAST(GLEW_SGIX_fog_offset) = glewGetExtension("GL_SGIX_fog_offset");
+  CONST_CAST(GLEW_SGIX_fog_offset) = _glewSearchExtension("GL_SGIX_fog_offset", extStart, extEnd);
 #endif /* GL_SGIX_fog_offset */
 #ifdef GL_SGIX_fog_texture
-  CONST_CAST(GLEW_SGIX_fog_texture) = glewGetExtension("GL_SGIX_fog_texture");
+  CONST_CAST(GLEW_SGIX_fog_texture) = _glewSearchExtension("GL_SGIX_fog_texture", extStart, extEnd);
   if (glewExperimental || GLEW_SGIX_fog_texture) CONST_CAST(GLEW_SGIX_fog_texture) = !_glewInit_GL_SGIX_fog_texture(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_SGIX_fog_texture */
 #ifdef GL_SGIX_fragment_specular_lighting
-  CONST_CAST(GLEW_SGIX_fragment_specular_lighting) = glewGetExtension("GL_SGIX_fragment_specular_lighting");
+  CONST_CAST(GLEW_SGIX_fragment_specular_lighting) = _glewSearchExtension("GL_SGIX_fragment_specular_lighting", extStart, extEnd);
   if (glewExperimental || GLEW_SGIX_fragment_specular_lighting) CONST_CAST(GLEW_SGIX_fragment_specular_lighting) = !_glewInit_GL_SGIX_fragment_specular_lighting(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_SGIX_fragment_specular_lighting */
 #ifdef GL_SGIX_framezoom
-  CONST_CAST(GLEW_SGIX_framezoom) = glewGetExtension("GL_SGIX_framezoom");
+  CONST_CAST(GLEW_SGIX_framezoom) = _glewSearchExtension("GL_SGIX_framezoom", extStart, extEnd);
   if (glewExperimental || GLEW_SGIX_framezoom) CONST_CAST(GLEW_SGIX_framezoom) = !_glewInit_GL_SGIX_framezoom(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_SGIX_framezoom */
 #ifdef GL_SGIX_interlace
-  CONST_CAST(GLEW_SGIX_interlace) = glewGetExtension("GL_SGIX_interlace");
+  CONST_CAST(GLEW_SGIX_interlace) = _glewSearchExtension("GL_SGIX_interlace", extStart, extEnd);
 #endif /* GL_SGIX_interlace */
 #ifdef GL_SGIX_ir_instrument1
-  CONST_CAST(GLEW_SGIX_ir_instrument1) = glewGetExtension("GL_SGIX_ir_instrument1");
+  CONST_CAST(GLEW_SGIX_ir_instrument1) = _glewSearchExtension("GL_SGIX_ir_instrument1", extStart, extEnd);
 #endif /* GL_SGIX_ir_instrument1 */
 #ifdef GL_SGIX_list_priority
-  CONST_CAST(GLEW_SGIX_list_priority) = glewGetExtension("GL_SGIX_list_priority");
+  CONST_CAST(GLEW_SGIX_list_priority) = _glewSearchExtension("GL_SGIX_list_priority", extStart, extEnd);
 #endif /* GL_SGIX_list_priority */
 #ifdef GL_SGIX_pixel_texture
-  CONST_CAST(GLEW_SGIX_pixel_texture) = glewGetExtension("GL_SGIX_pixel_texture");
+  CONST_CAST(GLEW_SGIX_pixel_texture) = _glewSearchExtension("GL_SGIX_pixel_texture", extStart, extEnd);
   if (glewExperimental || GLEW_SGIX_pixel_texture) CONST_CAST(GLEW_SGIX_pixel_texture) = !_glewInit_GL_SGIX_pixel_texture(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_SGIX_pixel_texture */
 #ifdef GL_SGIX_pixel_texture_bits
-  CONST_CAST(GLEW_SGIX_pixel_texture_bits) = glewGetExtension("GL_SGIX_pixel_texture_bits");
+  CONST_CAST(GLEW_SGIX_pixel_texture_bits) = _glewSearchExtension("GL_SGIX_pixel_texture_bits", extStart, extEnd);
 #endif /* GL_SGIX_pixel_texture_bits */
 #ifdef GL_SGIX_reference_plane
-  CONST_CAST(GLEW_SGIX_reference_plane) = glewGetExtension("GL_SGIX_reference_plane");
+  CONST_CAST(GLEW_SGIX_reference_plane) = _glewSearchExtension("GL_SGIX_reference_plane", extStart, extEnd);
   if (glewExperimental || GLEW_SGIX_reference_plane) CONST_CAST(GLEW_SGIX_reference_plane) = !_glewInit_GL_SGIX_reference_plane(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_SGIX_reference_plane */
 #ifdef GL_SGIX_resample
-  CONST_CAST(GLEW_SGIX_resample) = glewGetExtension("GL_SGIX_resample");
+  CONST_CAST(GLEW_SGIX_resample) = _glewSearchExtension("GL_SGIX_resample", extStart, extEnd);
 #endif /* GL_SGIX_resample */
 #ifdef GL_SGIX_shadow
-  CONST_CAST(GLEW_SGIX_shadow) = glewGetExtension("GL_SGIX_shadow");
+  CONST_CAST(GLEW_SGIX_shadow) = _glewSearchExtension("GL_SGIX_shadow", extStart, extEnd);
 #endif /* GL_SGIX_shadow */
 #ifdef GL_SGIX_shadow_ambient
-  CONST_CAST(GLEW_SGIX_shadow_ambient) = glewGetExtension("GL_SGIX_shadow_ambient");
+  CONST_CAST(GLEW_SGIX_shadow_ambient) = _glewSearchExtension("GL_SGIX_shadow_ambient", extStart, extEnd);
 #endif /* GL_SGIX_shadow_ambient */
 #ifdef GL_SGIX_sprite
-  CONST_CAST(GLEW_SGIX_sprite) = glewGetExtension("GL_SGIX_sprite");
+  CONST_CAST(GLEW_SGIX_sprite) = _glewSearchExtension("GL_SGIX_sprite", extStart, extEnd);
   if (glewExperimental || GLEW_SGIX_sprite) CONST_CAST(GLEW_SGIX_sprite) = !_glewInit_GL_SGIX_sprite(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_SGIX_sprite */
 #ifdef GL_SGIX_tag_sample_buffer
-  CONST_CAST(GLEW_SGIX_tag_sample_buffer) = glewGetExtension("GL_SGIX_tag_sample_buffer");
+  CONST_CAST(GLEW_SGIX_tag_sample_buffer) = _glewSearchExtension("GL_SGIX_tag_sample_buffer", extStart, extEnd);
   if (glewExperimental || GLEW_SGIX_tag_sample_buffer) CONST_CAST(GLEW_SGIX_tag_sample_buffer) = !_glewInit_GL_SGIX_tag_sample_buffer(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_SGIX_tag_sample_buffer */
 #ifdef GL_SGIX_texture_add_env
-  CONST_CAST(GLEW_SGIX_texture_add_env) = glewGetExtension("GL_SGIX_texture_add_env");
+  CONST_CAST(GLEW_SGIX_texture_add_env) = _glewSearchExtension("GL_SGIX_texture_add_env", extStart, extEnd);
 #endif /* GL_SGIX_texture_add_env */
 #ifdef GL_SGIX_texture_coordinate_clamp
-  CONST_CAST(GLEW_SGIX_texture_coordinate_clamp) = glewGetExtension("GL_SGIX_texture_coordinate_clamp");
+  CONST_CAST(GLEW_SGIX_texture_coordinate_clamp) = _glewSearchExtension("GL_SGIX_texture_coordinate_clamp", extStart, extEnd);
 #endif /* GL_SGIX_texture_coordinate_clamp */
 #ifdef GL_SGIX_texture_lod_bias
-  CONST_CAST(GLEW_SGIX_texture_lod_bias) = glewGetExtension("GL_SGIX_texture_lod_bias");
+  CONST_CAST(GLEW_SGIX_texture_lod_bias) = _glewSearchExtension("GL_SGIX_texture_lod_bias", extStart, extEnd);
 #endif /* GL_SGIX_texture_lod_bias */
 #ifdef GL_SGIX_texture_multi_buffer
-  CONST_CAST(GLEW_SGIX_texture_multi_buffer) = glewGetExtension("GL_SGIX_texture_multi_buffer");
+  CONST_CAST(GLEW_SGIX_texture_multi_buffer) = _glewSearchExtension("GL_SGIX_texture_multi_buffer", extStart, extEnd);
 #endif /* GL_SGIX_texture_multi_buffer */
 #ifdef GL_SGIX_texture_range
-  CONST_CAST(GLEW_SGIX_texture_range) = glewGetExtension("GL_SGIX_texture_range");
+  CONST_CAST(GLEW_SGIX_texture_range) = _glewSearchExtension("GL_SGIX_texture_range", extStart, extEnd);
 #endif /* GL_SGIX_texture_range */
 #ifdef GL_SGIX_texture_scale_bias
-  CONST_CAST(GLEW_SGIX_texture_scale_bias) = glewGetExtension("GL_SGIX_texture_scale_bias");
+  CONST_CAST(GLEW_SGIX_texture_scale_bias) = _glewSearchExtension("GL_SGIX_texture_scale_bias", extStart, extEnd);
 #endif /* GL_SGIX_texture_scale_bias */
 #ifdef GL_SGIX_vertex_preclip
-  CONST_CAST(GLEW_SGIX_vertex_preclip) = glewGetExtension("GL_SGIX_vertex_preclip");
+  CONST_CAST(GLEW_SGIX_vertex_preclip) = _glewSearchExtension("GL_SGIX_vertex_preclip", extStart, extEnd);
 #endif /* GL_SGIX_vertex_preclip */
 #ifdef GL_SGIX_vertex_preclip_hint
-  CONST_CAST(GLEW_SGIX_vertex_preclip_hint) = glewGetExtension("GL_SGIX_vertex_preclip_hint");
+  CONST_CAST(GLEW_SGIX_vertex_preclip_hint) = _glewSearchExtension("GL_SGIX_vertex_preclip_hint", extStart, extEnd);
 #endif /* GL_SGIX_vertex_preclip_hint */
 #ifdef GL_SGIX_ycrcb
-  CONST_CAST(GLEW_SGIX_ycrcb) = glewGetExtension("GL_SGIX_ycrcb");
+  CONST_CAST(GLEW_SGIX_ycrcb) = _glewSearchExtension("GL_SGIX_ycrcb", extStart, extEnd);
 #endif /* GL_SGIX_ycrcb */
 #ifdef GL_SGI_color_matrix
-  CONST_CAST(GLEW_SGI_color_matrix) = glewGetExtension("GL_SGI_color_matrix");
+  CONST_CAST(GLEW_SGI_color_matrix) = _glewSearchExtension("GL_SGI_color_matrix", extStart, extEnd);
 #endif /* GL_SGI_color_matrix */
 #ifdef GL_SGI_color_table
-  CONST_CAST(GLEW_SGI_color_table) = glewGetExtension("GL_SGI_color_table");
+  CONST_CAST(GLEW_SGI_color_table) = _glewSearchExtension("GL_SGI_color_table", extStart, extEnd);
   if (glewExperimental || GLEW_SGI_color_table) CONST_CAST(GLEW_SGI_color_table) = !_glewInit_GL_SGI_color_table(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_SGI_color_table */
 #ifdef GL_SGI_texture_color_table
-  CONST_CAST(GLEW_SGI_texture_color_table) = glewGetExtension("GL_SGI_texture_color_table");
+  CONST_CAST(GLEW_SGI_texture_color_table) = _glewSearchExtension("GL_SGI_texture_color_table", extStart, extEnd);
 #endif /* GL_SGI_texture_color_table */
 #ifdef GL_SUNX_constant_data
-  CONST_CAST(GLEW_SUNX_constant_data) = glewGetExtension("GL_SUNX_constant_data");
+  CONST_CAST(GLEW_SUNX_constant_data) = _glewSearchExtension("GL_SUNX_constant_data", extStart, extEnd);
   if (glewExperimental || GLEW_SUNX_constant_data) CONST_CAST(GLEW_SUNX_constant_data) = !_glewInit_GL_SUNX_constant_data(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_SUNX_constant_data */
 #ifdef GL_SUN_convolution_border_modes
-  CONST_CAST(GLEW_SUN_convolution_border_modes) = glewGetExtension("GL_SUN_convolution_border_modes");
+  CONST_CAST(GLEW_SUN_convolution_border_modes) = _glewSearchExtension("GL_SUN_convolution_border_modes", extStart, extEnd);
 #endif /* GL_SUN_convolution_border_modes */
 #ifdef GL_SUN_global_alpha
-  CONST_CAST(GLEW_SUN_global_alpha) = glewGetExtension("GL_SUN_global_alpha");
+  CONST_CAST(GLEW_SUN_global_alpha) = _glewSearchExtension("GL_SUN_global_alpha", extStart, extEnd);
   if (glewExperimental || GLEW_SUN_global_alpha) CONST_CAST(GLEW_SUN_global_alpha) = !_glewInit_GL_SUN_global_alpha(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_SUN_global_alpha */
 #ifdef GL_SUN_mesh_array
-  CONST_CAST(GLEW_SUN_mesh_array) = glewGetExtension("GL_SUN_mesh_array");
+  CONST_CAST(GLEW_SUN_mesh_array) = _glewSearchExtension("GL_SUN_mesh_array", extStart, extEnd);
 #endif /* GL_SUN_mesh_array */
 #ifdef GL_SUN_read_video_pixels
-  CONST_CAST(GLEW_SUN_read_video_pixels) = glewGetExtension("GL_SUN_read_video_pixels");
+  CONST_CAST(GLEW_SUN_read_video_pixels) = _glewSearchExtension("GL_SUN_read_video_pixels", extStart, extEnd);
   if (glewExperimental || GLEW_SUN_read_video_pixels) CONST_CAST(GLEW_SUN_read_video_pixels) = !_glewInit_GL_SUN_read_video_pixels(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_SUN_read_video_pixels */
 #ifdef GL_SUN_slice_accum
-  CONST_CAST(GLEW_SUN_slice_accum) = glewGetExtension("GL_SUN_slice_accum");
+  CONST_CAST(GLEW_SUN_slice_accum) = _glewSearchExtension("GL_SUN_slice_accum", extStart, extEnd);
 #endif /* GL_SUN_slice_accum */
 #ifdef GL_SUN_triangle_list
-  CONST_CAST(GLEW_SUN_triangle_list) = glewGetExtension("GL_SUN_triangle_list");
+  CONST_CAST(GLEW_SUN_triangle_list) = _glewSearchExtension("GL_SUN_triangle_list", extStart, extEnd);
   if (glewExperimental || GLEW_SUN_triangle_list) CONST_CAST(GLEW_SUN_triangle_list) = !_glewInit_GL_SUN_triangle_list(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_SUN_triangle_list */
 #ifdef GL_SUN_vertex
-  CONST_CAST(GLEW_SUN_vertex) = glewGetExtension("GL_SUN_vertex");
+  CONST_CAST(GLEW_SUN_vertex) = _glewSearchExtension("GL_SUN_vertex", extStart, extEnd);
   if (glewExperimental || GLEW_SUN_vertex) CONST_CAST(GLEW_SUN_vertex) = !_glewInit_GL_SUN_vertex(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_SUN_vertex */
 #ifdef GL_WIN_phong_shading
-  CONST_CAST(GLEW_WIN_phong_shading) = glewGetExtension("GL_WIN_phong_shading");
+  CONST_CAST(GLEW_WIN_phong_shading) = _glewSearchExtension("GL_WIN_phong_shading", extStart, extEnd);
 #endif /* GL_WIN_phong_shading */
 #ifdef GL_WIN_specular_fog
-  CONST_CAST(GLEW_WIN_specular_fog) = glewGetExtension("GL_WIN_specular_fog");
+  CONST_CAST(GLEW_WIN_specular_fog) = _glewSearchExtension("GL_WIN_specular_fog", extStart, extEnd);
 #endif /* GL_WIN_specular_fog */
 #ifdef GL_WIN_swap_hint
-  CONST_CAST(GLEW_WIN_swap_hint) = glewGetExtension("GL_WIN_swap_hint");
+  CONST_CAST(GLEW_WIN_swap_hint) = _glewSearchExtension("GL_WIN_swap_hint", extStart, extEnd);
   if (glewExperimental || GLEW_WIN_swap_hint) CONST_CAST(GLEW_WIN_swap_hint) = !_glewInit_GL_WIN_swap_hint(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GL_WIN_swap_hint */
 
@@ -9453,7 +9590,7 @@ PFNWGLDELETEASSOCIATEDCONTEXTAMDPROC __wglewDeleteAssociatedContextAMD = NULL;
 PFNWGLGETCONTEXTGPUIDAMDPROC __wglewGetContextGPUIDAMD = NULL;
 PFNWGLGETCURRENTASSOCIATEDCONTEXTAMDPROC __wglewGetCurrentAssociatedContextAMD = NULL;
 PFNWGLGETGPUIDSAMDPROC __wglewGetGPUIDsAMD = NULL;
-//XXX-blender, added: PFNWGLGETGPUINFOAMDPROC __wglewGetGPUInfoAMD = NULL;
+PFNWGLGETGPUINFOAMDPROC __wglewGetGPUInfoAMD = NULL;
 PFNWGLMAKEASSOCIATEDCONTEXTCURRENTAMDPROC __wglewMakeAssociatedContextCurrentAMD = NULL;
 
 PFNWGLCREATEBUFFERREGIONARBPROC __wglewCreateBufferRegionARB = NULL;
@@ -9541,6 +9678,15 @@ PFNWGLENDFRAMETRACKINGI3DPROC __wglewEndFrameTrackingI3D = NULL;
 PFNWGLGETFRAMEUSAGEI3DPROC __wglewGetFrameUsageI3D = NULL;
 PFNWGLQUERYFRAMETRACKINGI3DPROC __wglewQueryFrameTrackingI3D = NULL;
 
+PFNWGLDXCLOSEDEVICENVPROC __wglewDXCloseDeviceNV = NULL;
+PFNWGLDXLOCKOBJECTSNVPROC __wglewDXLockObjectsNV = NULL;
+PFNWGLDXOBJECTACCESSNVPROC __wglewDXObjectAccessNV = NULL;
+PFNWGLDXOPENDEVICENVPROC __wglewDXOpenDeviceNV = NULL;
+PFNWGLDXREGISTEROBJECTNVPROC __wglewDXRegisterObjectNV = NULL;
+PFNWGLDXSETRESOURCESHAREHANDLENVPROC __wglewDXSetResourceShareHandleNV = NULL;
+PFNWGLDXUNLOCKOBJECTSNVPROC __wglewDXUnlockObjectsNV = NULL;
+PFNWGLDXUNREGISTEROBJECTNVPROC __wglewDXUnregisterObjectNV = NULL;
+
 PFNWGLCOPYIMAGESUBDATANVPROC __wglewCopyImageSubDataNV = NULL;
 
 PFNWGLCREATEAFFINITYDCNVPROC __wglewCreateAffinityDCNV = NULL;
@@ -9563,6 +9709,12 @@ PFNWGLRESETFRAMECOUNTNVPROC __wglewResetFrameCountNV = NULL;
 PFNWGLALLOCATEMEMORYNVPROC __wglewAllocateMemoryNV = NULL;
 PFNWGLFREEMEMORYNVPROC __wglewFreeMemoryNV = NULL;
 
+PFNWGLBINDVIDEOCAPTUREDEVICENVPROC __wglewBindVideoCaptureDeviceNV = NULL;
+PFNWGLENUMERATEVIDEOCAPTUREDEVICESNVPROC __wglewEnumerateVideoCaptureDevicesNV = NULL;
+PFNWGLLOCKVIDEOCAPTUREDEVICENVPROC __wglewLockVideoCaptureDeviceNV = NULL;
+PFNWGLQUERYVIDEOCAPTUREDEVICENVPROC __wglewQueryVideoCaptureDeviceNV = NULL;
+PFNWGLRELEASEVIDEOCAPTUREDEVICENVPROC __wglewReleaseVideoCaptureDeviceNV = NULL;
+
 PFNWGLBINDVIDEOIMAGENVPROC __wglewBindVideoImageNV = NULL;
 PFNWGLGETVIDEODEVICENVPROC __wglewGetVideoDeviceNV = NULL;
 PFNWGLGETVIDEOINFONVPROC __wglewGetVideoInfoNV = NULL;
@@ -9610,6 +9762,7 @@ GLboolean __WGLEW_I3D_genlock = GL_FALSE;
 GLboolean __WGLEW_I3D_image_buffer = GL_FALSE;
 GLboolean __WGLEW_I3D_swap_frame_lock = GL_FALSE;
 GLboolean __WGLEW_I3D_swap_frame_usage = GL_FALSE;
+GLboolean __WGLEW_NV_DX_interop = GL_FALSE;
 GLboolean __WGLEW_NV_copy_image = GL_FALSE;
 GLboolean __WGLEW_NV_float_buffer = GL_FALSE;
 GLboolean __WGLEW_NV_gpu_affinity = GL_FALSE;
@@ -9619,6 +9772,7 @@ GLboolean __WGLEW_NV_render_depth_texture = GL_FALSE;
 GLboolean __WGLEW_NV_render_texture_rectangle = GL_FALSE;
 GLboolean __WGLEW_NV_swap_group = GL_FALSE;
 GLboolean __WGLEW_NV_vertex_array_range = GL_FALSE;
+GLboolean __WGLEW_NV_video_capture = GL_FALSE;
 GLboolean __WGLEW_NV_video_output = GL_FALSE;
 GLboolean __WGLEW_OML_sync_control = GL_FALSE;
 
@@ -9654,7 +9808,7 @@ static GLboolean _glewInit_WGL_AMD_gpu_association (WGLEW_CONTEXT_ARG_DEF_INIT)
   r = ((wglGetContextGPUIDAMD = (PFNWGLGETCONTEXTGPUIDAMDPROC)glewGetProcAddress((const GLubyte*)"wglGetContextGPUIDAMD")) == NULL) || r;
   r = ((wglGetCurrentAssociatedContextAMD = (PFNWGLGETCURRENTASSOCIATEDCONTEXTAMDPROC)glewGetProcAddress((const GLubyte*)"wglGetCurrentAssociatedContextAMD")) == NULL) || r;
   r = ((wglGetGPUIDsAMD = (PFNWGLGETGPUIDSAMDPROC)glewGetProcAddress((const GLubyte*)"wglGetGPUIDsAMD")) == NULL) || r;
-//XXX-blender, added:   r = ((wglGetGPUInfoAMD = (PFNWGLGETGPUINFOAMDPROC)glewGetProcAddress((const GLubyte*)"wglGetGPUInfoAMD")) == NULL) || r;
+  r = ((wglGetGPUInfoAMD = (PFNWGLGETGPUINFOAMDPROC)glewGetProcAddress((const GLubyte*)"wglGetGPUInfoAMD")) == NULL) || r;
   r = ((wglMakeAssociatedContextCurrentAMD = (PFNWGLMAKEASSOCIATEDCONTEXTCURRENTAMDPROC)glewGetProcAddress((const GLubyte*)"wglMakeAssociatedContextCurrentAMD")) == NULL) || r;
 
   return r;
@@ -10004,6 +10158,26 @@ static GLboolean _glewInit_WGL_I3D_swap_frame_usage (WGLEW_CONTEXT_ARG_DEF_INIT)
 
 #endif /* WGL_I3D_swap_frame_usage */
 
+#ifdef WGL_NV_DX_interop
+
+static GLboolean _glewInit_WGL_NV_DX_interop (WGLEW_CONTEXT_ARG_DEF_INIT)
+{
+  GLboolean r = GL_FALSE;
+
+  r = ((wglDXCloseDeviceNV = (PFNWGLDXCLOSEDEVICENVPROC)glewGetProcAddress((const GLubyte*)"wglDXCloseDeviceNV")) == NULL) || r;
+  r = ((wglDXLockObjectsNV = (PFNWGLDXLOCKOBJECTSNVPROC)glewGetProcAddress((const GLubyte*)"wglDXLockObjectsNV")) == NULL) || r;
+  r = ((wglDXObjectAccessNV = (PFNWGLDXOBJECTACCESSNVPROC)glewGetProcAddress((const GLubyte*)"wglDXObjectAccessNV")) == NULL) || r;
+  r = ((wglDXOpenDeviceNV = (PFNWGLDXOPENDEVICENVPROC)glewGetProcAddress((const GLubyte*)"wglDXOpenDeviceNV")) == NULL) || r;
+  r = ((wglDXRegisterObjectNV = (PFNWGLDXREGISTEROBJECTNVPROC)glewGetProcAddress((const GLubyte*)"wglDXRegisterObjectNV")) == NULL) || r;
+  r = ((wglDXSetResourceShareHandleNV = (PFNWGLDXSETRESOURCESHAREHANDLENVPROC)glewGetProcAddress((const GLubyte*)"wglDXSetResourceShareHandleNV")) == NULL) || r;
+  r = ((wglDXUnlockObjectsNV = (PFNWGLDXUNLOCKOBJECTSNVPROC)glewGetProcAddress((const GLubyte*)"wglDXUnlockObjectsNV")) == NULL) || r;
+  r = ((wglDXUnregisterObjectNV = (PFNWGLDXUNREGISTEROBJECTNVPROC)glewGetProcAddress((const GLubyte*)"wglDXUnregisterObjectNV")) == NULL) || r;
+
+  return r;
+}
+
+#endif /* WGL_NV_DX_interop */
+
 #ifdef WGL_NV_copy_image
 
 static GLboolean _glewInit_WGL_NV_copy_image (WGLEW_CONTEXT_ARG_DEF_INIT)
@@ -10097,6 +10271,23 @@ static GLboolean _glewInit_WGL_NV_vertex_array_range (WGLEW_CONTEXT_ARG_DEF_INIT
 
 #endif /* WGL_NV_vertex_array_range */
 
+#ifdef WGL_NV_video_capture
+
+static GLboolean _glewInit_WGL_NV_video_capture (WGLEW_CONTEXT_ARG_DEF_INIT)
+{
+  GLboolean r = GL_FALSE;
+
+  r = ((wglBindVideoCaptureDeviceNV = (PFNWGLBINDVIDEOCAPTUREDEVICENVPROC)glewGetProcAddress((const GLubyte*)"wglBindVideoCaptureDeviceNV")) == NULL) || r;
+  r = ((wglEnumerateVideoCaptureDevicesNV = (PFNWGLENUMERATEVIDEOCAPTUREDEVICESNVPROC)glewGetProcAddress((const GLubyte*)"wglEnumerateVideoCaptureDevicesNV")) == NULL) || r;
+  r = ((wglLockVideoCaptureDeviceNV = (PFNWGLLOCKVIDEOCAPTUREDEVICENVPROC)glewGetProcAddress((const GLubyte*)"wglLockVideoCaptureDeviceNV")) == NULL) || r;
+  r = ((wglQueryVideoCaptureDeviceNV = (PFNWGLQUERYVIDEOCAPTUREDEVICENVPROC)glewGetProcAddress((const GLubyte*)"wglQueryVideoCaptureDeviceNV")) == NULL) || r;
+  r = ((wglReleaseVideoCaptureDeviceNV = (PFNWGLRELEASEVIDEOCAPTUREDEVICENVPROC)glewGetProcAddress((const GLubyte*)"wglReleaseVideoCaptureDeviceNV")) == NULL) || r;
+
+  return r;
+}
+
+#endif /* WGL_NV_video_capture */
+
 #ifdef WGL_NV_video_output
 
 static GLboolean _glewInit_WGL_NV_video_output (WGLEW_CONTEXT_ARG_DEF_INIT)
@@ -10140,196 +10331,209 @@ static PFNWGLGETEXTENSIONSSTRINGEXTPROC _wglewGetExtensionsStringEXT = NULL;
 
 GLboolean wglewGetExtension (const char* name)
 {    
-  GLubyte* p;
-  GLubyte* end;
-  GLuint len = _glewStrLen((const GLubyte*)name);
+  const GLubyte* start;
+  const GLubyte* end;
   if (_wglewGetExtensionsStringARB == NULL)
     if (_wglewGetExtensionsStringEXT == NULL)
       return GL_FALSE;
     else
-      p = (GLubyte*)_wglewGetExtensionsStringEXT();
+      start = (const GLubyte*)_wglewGetExtensionsStringEXT();
   else
-    p = (GLubyte*)_wglewGetExtensionsStringARB(wglGetCurrentDC());
-  if (0 == p) return GL_FALSE;
-  end = p + _glewStrLen(p);
-  while (p < end)
-  {
-    GLuint n = _glewStrCLen(p, ' ');
-    if (len == n && _glewStrSame((const GLubyte*)name, p, n)) return GL_TRUE;
-    p += n+1;
-  }
-  return GL_FALSE;
+    start = (const GLubyte*)_wglewGetExtensionsStringARB(wglGetCurrentDC());
+  if (start == 0)
+    return GL_FALSE;
+  end = start + _glewStrLen(start);
+  return _glewSearchExtension(name, start, end);
 }
 
 GLenum wglewContextInit (WGLEW_CONTEXT_ARG_DEF_LIST)
 {
   GLboolean crippled;
+  const GLubyte* extStart;
+  const GLubyte* extEnd;
   /* find wgl extension string query functions */
   _wglewGetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC)glewGetProcAddress((const GLubyte*)"wglGetExtensionsStringARB");
   _wglewGetExtensionsStringEXT = (PFNWGLGETEXTENSIONSSTRINGEXTPROC)glewGetProcAddress((const GLubyte*)"wglGetExtensionsStringEXT");
+  /* query wgl extension string */
+  if (_wglewGetExtensionsStringARB == NULL)
+    if (_wglewGetExtensionsStringEXT == NULL)
+      extStart = (const GLubyte*)"";
+    else
+      extStart = (const GLubyte*)_wglewGetExtensionsStringEXT();
+  else
+    extStart = (const GLubyte*)_wglewGetExtensionsStringARB(wglGetCurrentDC());
+  extEnd = extStart + _glewStrLen(extStart);
   /* initialize extensions */
   crippled = _wglewGetExtensionsStringARB == NULL && _wglewGetExtensionsStringEXT == NULL;
 #ifdef WGL_3DFX_multisample
-  CONST_CAST(WGLEW_3DFX_multisample) = wglewGetExtension("WGL_3DFX_multisample");
+  CONST_CAST(WGLEW_3DFX_multisample) = _glewSearchExtension("WGL_3DFX_multisample", extStart, extEnd);
 #endif /* WGL_3DFX_multisample */
 #ifdef WGL_3DL_stereo_control
-  CONST_CAST(WGLEW_3DL_stereo_control) = wglewGetExtension("WGL_3DL_stereo_control");
+  CONST_CAST(WGLEW_3DL_stereo_control) = _glewSearchExtension("WGL_3DL_stereo_control", extStart, extEnd);
   if (glewExperimental || WGLEW_3DL_stereo_control|| crippled) CONST_CAST(WGLEW_3DL_stereo_control)= !_glewInit_WGL_3DL_stereo_control(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_3DL_stereo_control */
 #ifdef WGL_AMD_gpu_association
-  CONST_CAST(WGLEW_AMD_gpu_association) = wglewGetExtension("WGL_AMD_gpu_association");
+  CONST_CAST(WGLEW_AMD_gpu_association) = _glewSearchExtension("WGL_AMD_gpu_association", extStart, extEnd);
   if (glewExperimental || WGLEW_AMD_gpu_association|| crippled) CONST_CAST(WGLEW_AMD_gpu_association)= !_glewInit_WGL_AMD_gpu_association(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_AMD_gpu_association */
 #ifdef WGL_ARB_buffer_region
-  CONST_CAST(WGLEW_ARB_buffer_region) = wglewGetExtension("WGL_ARB_buffer_region");
+  CONST_CAST(WGLEW_ARB_buffer_region) = _glewSearchExtension("WGL_ARB_buffer_region", extStart, extEnd);
   if (glewExperimental || WGLEW_ARB_buffer_region|| crippled) CONST_CAST(WGLEW_ARB_buffer_region)= !_glewInit_WGL_ARB_buffer_region(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_ARB_buffer_region */
 #ifdef WGL_ARB_create_context
-  CONST_CAST(WGLEW_ARB_create_context) = wglewGetExtension("WGL_ARB_create_context");
+  CONST_CAST(WGLEW_ARB_create_context) = _glewSearchExtension("WGL_ARB_create_context", extStart, extEnd);
   if (glewExperimental || WGLEW_ARB_create_context|| crippled) CONST_CAST(WGLEW_ARB_create_context)= !_glewInit_WGL_ARB_create_context(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_ARB_create_context */
 #ifdef WGL_ARB_create_context_profile
-  CONST_CAST(WGLEW_ARB_create_context_profile) = wglewGetExtension("WGL_ARB_create_context_profile");
+  CONST_CAST(WGLEW_ARB_create_context_profile) = _glewSearchExtension("WGL_ARB_create_context_profile", extStart, extEnd);
 #endif /* WGL_ARB_create_context_profile */
 #ifdef WGL_ARB_create_context_robustness
-  CONST_CAST(WGLEW_ARB_create_context_robustness) = wglewGetExtension("WGL_ARB_create_context_robustness");
+  CONST_CAST(WGLEW_ARB_create_context_robustness) = _glewSearchExtension("WGL_ARB_create_context_robustness", extStart, extEnd);
 #endif /* WGL_ARB_create_context_robustness */
 #ifdef WGL_ARB_extensions_string
-  CONST_CAST(WGLEW_ARB_extensions_string) = wglewGetExtension("WGL_ARB_extensions_string");
+  CONST_CAST(WGLEW_ARB_extensions_string) = _glewSearchExtension("WGL_ARB_extensions_string", extStart, extEnd);
   if (glewExperimental || WGLEW_ARB_extensions_string|| crippled) CONST_CAST(WGLEW_ARB_extensions_string)= !_glewInit_WGL_ARB_extensions_string(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_ARB_extensions_string */
 #ifdef WGL_ARB_framebuffer_sRGB
-  CONST_CAST(WGLEW_ARB_framebuffer_sRGB) = wglewGetExtension("WGL_ARB_framebuffer_sRGB");
+  CONST_CAST(WGLEW_ARB_framebuffer_sRGB) = _glewSearchExtension("WGL_ARB_framebuffer_sRGB", extStart, extEnd);
 #endif /* WGL_ARB_framebuffer_sRGB */
 #ifdef WGL_ARB_make_current_read
-  CONST_CAST(WGLEW_ARB_make_current_read) = wglewGetExtension("WGL_ARB_make_current_read");
+  CONST_CAST(WGLEW_ARB_make_current_read) = _glewSearchExtension("WGL_ARB_make_current_read", extStart, extEnd);
   if (glewExperimental || WGLEW_ARB_make_current_read|| crippled) CONST_CAST(WGLEW_ARB_make_current_read)= !_glewInit_WGL_ARB_make_current_read(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_ARB_make_current_read */
 #ifdef WGL_ARB_multisample
-  CONST_CAST(WGLEW_ARB_multisample) = wglewGetExtension("WGL_ARB_multisample");
+  CONST_CAST(WGLEW_ARB_multisample) = _glewSearchExtension("WGL_ARB_multisample", extStart, extEnd);
 #endif /* WGL_ARB_multisample */
 #ifdef WGL_ARB_pbuffer
-  CONST_CAST(WGLEW_ARB_pbuffer) = wglewGetExtension("WGL_ARB_pbuffer");
+  CONST_CAST(WGLEW_ARB_pbuffer) = _glewSearchExtension("WGL_ARB_pbuffer", extStart, extEnd);
   if (glewExperimental || WGLEW_ARB_pbuffer|| crippled) CONST_CAST(WGLEW_ARB_pbuffer)= !_glewInit_WGL_ARB_pbuffer(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_ARB_pbuffer */
 #ifdef WGL_ARB_pixel_format
-  CONST_CAST(WGLEW_ARB_pixel_format) = wglewGetExtension("WGL_ARB_pixel_format");
+  CONST_CAST(WGLEW_ARB_pixel_format) = _glewSearchExtension("WGL_ARB_pixel_format", extStart, extEnd);
   if (glewExperimental || WGLEW_ARB_pixel_format|| crippled) CONST_CAST(WGLEW_ARB_pixel_format)= !_glewInit_WGL_ARB_pixel_format(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_ARB_pixel_format */
 #ifdef WGL_ARB_pixel_format_float
-  CONST_CAST(WGLEW_ARB_pixel_format_float) = wglewGetExtension("WGL_ARB_pixel_format_float");
+  CONST_CAST(WGLEW_ARB_pixel_format_float) = _glewSearchExtension("WGL_ARB_pixel_format_float", extStart, extEnd);
 #endif /* WGL_ARB_pixel_format_float */
 #ifdef WGL_ARB_render_texture
-  CONST_CAST(WGLEW_ARB_render_texture) = wglewGetExtension("WGL_ARB_render_texture");
+  CONST_CAST(WGLEW_ARB_render_texture) = _glewSearchExtension("WGL_ARB_render_texture", extStart, extEnd);
   if (glewExperimental || WGLEW_ARB_render_texture|| crippled) CONST_CAST(WGLEW_ARB_render_texture)= !_glewInit_WGL_ARB_render_texture(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_ARB_render_texture */
 #ifdef WGL_ATI_pixel_format_float
-  CONST_CAST(WGLEW_ATI_pixel_format_float) = wglewGetExtension("WGL_ATI_pixel_format_float");
+  CONST_CAST(WGLEW_ATI_pixel_format_float) = _glewSearchExtension("WGL_ATI_pixel_format_float", extStart, extEnd);
 #endif /* WGL_ATI_pixel_format_float */
 #ifdef WGL_ATI_render_texture_rectangle
-  CONST_CAST(WGLEW_ATI_render_texture_rectangle) = wglewGetExtension("WGL_ATI_render_texture_rectangle");
+  CONST_CAST(WGLEW_ATI_render_texture_rectangle) = _glewSearchExtension("WGL_ATI_render_texture_rectangle", extStart, extEnd);
 #endif /* WGL_ATI_render_texture_rectangle */
 #ifdef WGL_EXT_create_context_es2_profile
-  CONST_CAST(WGLEW_EXT_create_context_es2_profile) = wglewGetExtension("WGL_EXT_create_context_es2_profile");
+  CONST_CAST(WGLEW_EXT_create_context_es2_profile) = _glewSearchExtension("WGL_EXT_create_context_es2_profile", extStart, extEnd);
 #endif /* WGL_EXT_create_context_es2_profile */
 #ifdef WGL_EXT_depth_float
-  CONST_CAST(WGLEW_EXT_depth_float) = wglewGetExtension("WGL_EXT_depth_float");
+  CONST_CAST(WGLEW_EXT_depth_float) = _glewSearchExtension("WGL_EXT_depth_float", extStart, extEnd);
 #endif /* WGL_EXT_depth_float */
 #ifdef WGL_EXT_display_color_table
-  CONST_CAST(WGLEW_EXT_display_color_table) = wglewGetExtension("WGL_EXT_display_color_table");
+  CONST_CAST(WGLEW_EXT_display_color_table) = _glewSearchExtension("WGL_EXT_display_color_table", extStart, extEnd);
   if (glewExperimental || WGLEW_EXT_display_color_table|| crippled) CONST_CAST(WGLEW_EXT_display_color_table)= !_glewInit_WGL_EXT_display_color_table(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_EXT_display_color_table */
 #ifdef WGL_EXT_extensions_string
-  CONST_CAST(WGLEW_EXT_extensions_string) = wglewGetExtension("WGL_EXT_extensions_string");
+  CONST_CAST(WGLEW_EXT_extensions_string) = _glewSearchExtension("WGL_EXT_extensions_string", extStart, extEnd);
   if (glewExperimental || WGLEW_EXT_extensions_string|| crippled) CONST_CAST(WGLEW_EXT_extensions_string)= !_glewInit_WGL_EXT_extensions_string(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_EXT_extensions_string */
 #ifdef WGL_EXT_framebuffer_sRGB
-  CONST_CAST(WGLEW_EXT_framebuffer_sRGB) = wglewGetExtension("WGL_EXT_framebuffer_sRGB");
+  CONST_CAST(WGLEW_EXT_framebuffer_sRGB) = _glewSearchExtension("WGL_EXT_framebuffer_sRGB", extStart, extEnd);
 #endif /* WGL_EXT_framebuffer_sRGB */
 #ifdef WGL_EXT_make_current_read
-  CONST_CAST(WGLEW_EXT_make_current_read) = wglewGetExtension("WGL_EXT_make_current_read");
+  CONST_CAST(WGLEW_EXT_make_current_read) = _glewSearchExtension("WGL_EXT_make_current_read", extStart, extEnd);
   if (glewExperimental || WGLEW_EXT_make_current_read|| crippled) CONST_CAST(WGLEW_EXT_make_current_read)= !_glewInit_WGL_EXT_make_current_read(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_EXT_make_current_read */
 #ifdef WGL_EXT_multisample
-  CONST_CAST(WGLEW_EXT_multisample) = wglewGetExtension("WGL_EXT_multisample");
+  CONST_CAST(WGLEW_EXT_multisample) = _glewSearchExtension("WGL_EXT_multisample", extStart, extEnd);
 #endif /* WGL_EXT_multisample */
 #ifdef WGL_EXT_pbuffer
-  CONST_CAST(WGLEW_EXT_pbuffer) = wglewGetExtension("WGL_EXT_pbuffer");
+  CONST_CAST(WGLEW_EXT_pbuffer) = _glewSearchExtension("WGL_EXT_pbuffer", extStart, extEnd);
   if (glewExperimental || WGLEW_EXT_pbuffer|| crippled) CONST_CAST(WGLEW_EXT_pbuffer)= !_glewInit_WGL_EXT_pbuffer(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_EXT_pbuffer */
 #ifdef WGL_EXT_pixel_format
-  CONST_CAST(WGLEW_EXT_pixel_format) = wglewGetExtension("WGL_EXT_pixel_format");
+  CONST_CAST(WGLEW_EXT_pixel_format) = _glewSearchExtension("WGL_EXT_pixel_format", extStart, extEnd);
   if (glewExperimental || WGLEW_EXT_pixel_format|| crippled) CONST_CAST(WGLEW_EXT_pixel_format)= !_glewInit_WGL_EXT_pixel_format(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_EXT_pixel_format */
 #ifdef WGL_EXT_pixel_format_packed_float
-  CONST_CAST(WGLEW_EXT_pixel_format_packed_float) = wglewGetExtension("WGL_EXT_pixel_format_packed_float");
+  CONST_CAST(WGLEW_EXT_pixel_format_packed_float) = _glewSearchExtension("WGL_EXT_pixel_format_packed_float", extStart, extEnd);
 #endif /* WGL_EXT_pixel_format_packed_float */
 #ifdef WGL_EXT_swap_control
-  CONST_CAST(WGLEW_EXT_swap_control) = wglewGetExtension("WGL_EXT_swap_control");
+  CONST_CAST(WGLEW_EXT_swap_control) = _glewSearchExtension("WGL_EXT_swap_control", extStart, extEnd);
   if (glewExperimental || WGLEW_EXT_swap_control|| crippled) CONST_CAST(WGLEW_EXT_swap_control)= !_glewInit_WGL_EXT_swap_control(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_EXT_swap_control */
 #ifdef WGL_I3D_digital_video_control
-  CONST_CAST(WGLEW_I3D_digital_video_control) = wglewGetExtension("WGL_I3D_digital_video_control");
+  CONST_CAST(WGLEW_I3D_digital_video_control) = _glewSearchExtension("WGL_I3D_digital_video_control", extStart, extEnd);
   if (glewExperimental || WGLEW_I3D_digital_video_control|| crippled) CONST_CAST(WGLEW_I3D_digital_video_control)= !_glewInit_WGL_I3D_digital_video_control(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_I3D_digital_video_control */
 #ifdef WGL_I3D_gamma
-  CONST_CAST(WGLEW_I3D_gamma) = wglewGetExtension("WGL_I3D_gamma");
+  CONST_CAST(WGLEW_I3D_gamma) = _glewSearchExtension("WGL_I3D_gamma", extStart, extEnd);
   if (glewExperimental || WGLEW_I3D_gamma|| crippled) CONST_CAST(WGLEW_I3D_gamma)= !_glewInit_WGL_I3D_gamma(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_I3D_gamma */
 #ifdef WGL_I3D_genlock
-  CONST_CAST(WGLEW_I3D_genlock) = wglewGetExtension("WGL_I3D_genlock");
+  CONST_CAST(WGLEW_I3D_genlock) = _glewSearchExtension("WGL_I3D_genlock", extStart, extEnd);
   if (glewExperimental || WGLEW_I3D_genlock|| crippled) CONST_CAST(WGLEW_I3D_genlock)= !_glewInit_WGL_I3D_genlock(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_I3D_genlock */
 #ifdef WGL_I3D_image_buffer
-  CONST_CAST(WGLEW_I3D_image_buffer) = wglewGetExtension("WGL_I3D_image_buffer");
+  CONST_CAST(WGLEW_I3D_image_buffer) = _glewSearchExtension("WGL_I3D_image_buffer", extStart, extEnd);
   if (glewExperimental || WGLEW_I3D_image_buffer|| crippled) CONST_CAST(WGLEW_I3D_image_buffer)= !_glewInit_WGL_I3D_image_buffer(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_I3D_image_buffer */
 #ifdef WGL_I3D_swap_frame_lock
-  CONST_CAST(WGLEW_I3D_swap_frame_lock) = wglewGetExtension("WGL_I3D_swap_frame_lock");
+  CONST_CAST(WGLEW_I3D_swap_frame_lock) = _glewSearchExtension("WGL_I3D_swap_frame_lock", extStart, extEnd);
   if (glewExperimental || WGLEW_I3D_swap_frame_lock|| crippled) CONST_CAST(WGLEW_I3D_swap_frame_lock)= !_glewInit_WGL_I3D_swap_frame_lock(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_I3D_swap_frame_lock */
 #ifdef WGL_I3D_swap_frame_usage
-  CONST_CAST(WGLEW_I3D_swap_frame_usage) = wglewGetExtension("WGL_I3D_swap_frame_usage");
+  CONST_CAST(WGLEW_I3D_swap_frame_usage) = _glewSearchExtension("WGL_I3D_swap_frame_usage", extStart, extEnd);
   if (glewExperimental || WGLEW_I3D_swap_frame_usage|| crippled) CONST_CAST(WGLEW_I3D_swap_frame_usage)= !_glewInit_WGL_I3D_swap_frame_usage(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_I3D_swap_frame_usage */
+#ifdef WGL_NV_DX_interop
+  CONST_CAST(WGLEW_NV_DX_interop) = _glewSearchExtension("WGL_NV_DX_interop", extStart, extEnd);
+  if (glewExperimental || WGLEW_NV_DX_interop|| crippled) CONST_CAST(WGLEW_NV_DX_interop)= !_glewInit_WGL_NV_DX_interop(GLEW_CONTEXT_ARG_VAR_INIT);
+#endif /* WGL_NV_DX_interop */
 #ifdef WGL_NV_copy_image
-  CONST_CAST(WGLEW_NV_copy_image) = wglewGetExtension("WGL_NV_copy_image");
+  CONST_CAST(WGLEW_NV_copy_image) = _glewSearchExtension("WGL_NV_copy_image", extStart, extEnd);
   if (glewExperimental || WGLEW_NV_copy_image|| crippled) CONST_CAST(WGLEW_NV_copy_image)= !_glewInit_WGL_NV_copy_image(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_NV_copy_image */
 #ifdef WGL_NV_float_buffer
-  CONST_CAST(WGLEW_NV_float_buffer) = wglewGetExtension("WGL_NV_float_buffer");
+  CONST_CAST(WGLEW_NV_float_buffer) = _glewSearchExtension("WGL_NV_float_buffer", extStart, extEnd);
 #endif /* WGL_NV_float_buffer */
 #ifdef WGL_NV_gpu_affinity
-  CONST_CAST(WGLEW_NV_gpu_affinity) = wglewGetExtension("WGL_NV_gpu_affinity");
+  CONST_CAST(WGLEW_NV_gpu_affinity) = _glewSearchExtension("WGL_NV_gpu_affinity", extStart, extEnd);
   if (glewExperimental || WGLEW_NV_gpu_affinity|| crippled) CONST_CAST(WGLEW_NV_gpu_affinity)= !_glewInit_WGL_NV_gpu_affinity(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_NV_gpu_affinity */
 #ifdef WGL_NV_multisample_coverage
-  CONST_CAST(WGLEW_NV_multisample_coverage) = wglewGetExtension("WGL_NV_multisample_coverage");
+  CONST_CAST(WGLEW_NV_multisample_coverage) = _glewSearchExtension("WGL_NV_multisample_coverage", extStart, extEnd);
 #endif /* WGL_NV_multisample_coverage */
 #ifdef WGL_NV_present_video
-  CONST_CAST(WGLEW_NV_present_video) = wglewGetExtension("WGL_NV_present_video");
+  CONST_CAST(WGLEW_NV_present_video) = _glewSearchExtension("WGL_NV_present_video", extStart, extEnd);
   if (glewExperimental || WGLEW_NV_present_video|| crippled) CONST_CAST(WGLEW_NV_present_video)= !_glewInit_WGL_NV_present_video(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_NV_present_video */
 #ifdef WGL_NV_render_depth_texture
-  CONST_CAST(WGLEW_NV_render_depth_texture) = wglewGetExtension("WGL_NV_render_depth_texture");
+  CONST_CAST(WGLEW_NV_render_depth_texture) = _glewSearchExtension("WGL_NV_render_depth_texture", extStart, extEnd);
 #endif /* WGL_NV_render_depth_texture */
 #ifdef WGL_NV_render_texture_rectangle
-  CONST_CAST(WGLEW_NV_render_texture_rectangle) = wglewGetExtension("WGL_NV_render_texture_rectangle");
+  CONST_CAST(WGLEW_NV_render_texture_rectangle) = _glewSearchExtension("WGL_NV_render_texture_rectangle", extStart, extEnd);
 #endif /* WGL_NV_render_texture_rectangle */
 #ifdef WGL_NV_swap_group
-  CONST_CAST(WGLEW_NV_swap_group) = wglewGetExtension("WGL_NV_swap_group");
+  CONST_CAST(WGLEW_NV_swap_group) = _glewSearchExtension("WGL_NV_swap_group", extStart, extEnd);
   if (glewExperimental || WGLEW_NV_swap_group|| crippled) CONST_CAST(WGLEW_NV_swap_group)= !_glewInit_WGL_NV_swap_group(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_NV_swap_group */
 #ifdef WGL_NV_vertex_array_range
-  CONST_CAST(WGLEW_NV_vertex_array_range) = wglewGetExtension("WGL_NV_vertex_array_range");
+  CONST_CAST(WGLEW_NV_vertex_array_range) = _glewSearchExtension("WGL_NV_vertex_array_range", extStart, extEnd);
   if (glewExperimental || WGLEW_NV_vertex_array_range|| crippled) CONST_CAST(WGLEW_NV_vertex_array_range)= !_glewInit_WGL_NV_vertex_array_range(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_NV_vertex_array_range */
+#ifdef WGL_NV_video_capture
+  CONST_CAST(WGLEW_NV_video_capture) = _glewSearchExtension("WGL_NV_video_capture", extStart, extEnd);
+  if (glewExperimental || WGLEW_NV_video_capture|| crippled) CONST_CAST(WGLEW_NV_video_capture)= !_glewInit_WGL_NV_video_capture(GLEW_CONTEXT_ARG_VAR_INIT);
+#endif /* WGL_NV_video_capture */
 #ifdef WGL_NV_video_output
-  CONST_CAST(WGLEW_NV_video_output) = wglewGetExtension("WGL_NV_video_output");
+  CONST_CAST(WGLEW_NV_video_output) = _glewSearchExtension("WGL_NV_video_output", extStart, extEnd);
   if (glewExperimental || WGLEW_NV_video_output|| crippled) CONST_CAST(WGLEW_NV_video_output)= !_glewInit_WGL_NV_video_output(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_NV_video_output */
 #ifdef WGL_OML_sync_control
-  CONST_CAST(WGLEW_OML_sync_control) = wglewGetExtension("WGL_OML_sync_control");
+  CONST_CAST(WGLEW_OML_sync_control) = _glewSearchExtension("WGL_OML_sync_control", extStart, extEnd);
   if (glewExperimental || WGLEW_OML_sync_control|| crippled) CONST_CAST(WGLEW_OML_sync_control)= !_glewInit_WGL_OML_sync_control(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* WGL_OML_sync_control */
 
@@ -10399,6 +10603,12 @@ PFNGLXRESETFRAMECOUNTNVPROC __glewXResetFrameCountNV = NULL;
 PFNGLXALLOCATEMEMORYNVPROC __glewXAllocateMemoryNV = NULL;
 PFNGLXFREEMEMORYNVPROC __glewXFreeMemoryNV = NULL;
 
+PFNGLXBINDVIDEOCAPTUREDEVICENVPROC __glewXBindVideoCaptureDeviceNV = NULL;
+PFNGLXENUMERATEVIDEOCAPTUREDEVICESNVPROC __glewXEnumerateVideoCaptureDevicesNV = NULL;
+PFNGLXLOCKVIDEOCAPTUREDEVICENVPROC __glewXLockVideoCaptureDeviceNV = NULL;
+PFNGLXQUERYVIDEOCAPTUREDEVICENVPROC __glewXQueryVideoCaptureDeviceNV = NULL;
+PFNGLXRELEASEVIDEOCAPTUREDEVICENVPROC __glewXReleaseVideoCaptureDeviceNV = NULL;
+
 PFNGLXBINDVIDEOIMAGENVPROC __glewXBindVideoImageNV = NULL;
 PFNGLXGETVIDEODEVICENVPROC __glewXGetVideoDeviceNV = NULL;
 PFNGLXGETVIDEOINFONVPROC __glewXGetVideoInfoNV = NULL;
@@ -10406,13 +10616,11 @@ PFNGLXRELEASEVIDEODEVICENVPROC __glewXReleaseVideoDeviceNV = NULL;
 PFNGLXRELEASEVIDEOIMAGENVPROC __glewXReleaseVideoImageNV = NULL;
 PFNGLXSENDPBUFFERTOVIDEONVPROC __glewXSendPbufferToVideoNV = NULL;
 
-#ifdef GLX_OML_sync_control
 PFNGLXGETMSCRATEOMLPROC __glewXGetMscRateOML = NULL;
 PFNGLXGETSYNCVALUESOMLPROC __glewXGetSyncValuesOML = NULL;
 PFNGLXSWAPBUFFERSMSCOMLPROC __glewXSwapBuffersMscOML = NULL;
 PFNGLXWAITFORMSCOMLPROC __glewXWaitForMscOML = NULL;
 PFNGLXWAITFORSBCOMLPROC __glewXWaitForSbcOML = NULL;
-#endif
 
 PFNGLXCHOOSEFBCONFIGSGIXPROC __glewXChooseFBConfigSGIX = NULL;
 PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC __glewXCreateContextWithConfigSGIX = NULL;
@@ -10502,11 +10710,10 @@ GLboolean __GLXEW_NV_multisample_coverage = GL_FALSE;
 GLboolean __GLXEW_NV_present_video = GL_FALSE;
 GLboolean __GLXEW_NV_swap_group = GL_FALSE;
 GLboolean __GLXEW_NV_vertex_array_range = GL_FALSE;
+GLboolean __GLXEW_NV_video_capture = GL_FALSE;
 GLboolean __GLXEW_NV_video_output = GL_FALSE;
 GLboolean __GLXEW_OML_swap_method = GL_FALSE;
-#ifdef GLX_OML_sync_control
 GLboolean __GLXEW_OML_sync_control = GL_FALSE;
-#endif
 GLboolean __GLXEW_SGIS_blended_overlay = GL_FALSE;
 GLboolean __GLXEW_SGIS_color_range = GL_FALSE;
 GLboolean __GLXEW_SGIS_multisample = GL_FALSE;
@@ -10844,6 +11051,23 @@ static GLboolean _glewInit_GLX_NV_vertex_array_range (GLXEW_CONTEXT_ARG_DEF_INIT
 
 #endif /* GLX_NV_vertex_array_range */
 
+#ifdef GLX_NV_video_capture
+
+static GLboolean _glewInit_GLX_NV_video_capture (GLXEW_CONTEXT_ARG_DEF_INIT)
+{
+  GLboolean r = GL_FALSE;
+
+  r = ((glXBindVideoCaptureDeviceNV = (PFNGLXBINDVIDEOCAPTUREDEVICENVPROC)glewGetProcAddress((const GLubyte*)"glXBindVideoCaptureDeviceNV")) == NULL) || r;
+  r = ((glXEnumerateVideoCaptureDevicesNV = (PFNGLXENUMERATEVIDEOCAPTUREDEVICESNVPROC)glewGetProcAddress((const GLubyte*)"glXEnumerateVideoCaptureDevicesNV")) == NULL) || r;
+  r = ((glXLockVideoCaptureDeviceNV = (PFNGLXLOCKVIDEOCAPTUREDEVICENVPROC)glewGetProcAddress((const GLubyte*)"glXLockVideoCaptureDeviceNV")) == NULL) || r;
+  r = ((glXQueryVideoCaptureDeviceNV = (PFNGLXQUERYVIDEOCAPTUREDEVICENVPROC)glewGetProcAddress((const GLubyte*)"glXQueryVideoCaptureDeviceNV")) == NULL) || r;
+  r = ((glXReleaseVideoCaptureDeviceNV = (PFNGLXRELEASEVIDEOCAPTUREDEVICENVPROC)glewGetProcAddress((const GLubyte*)"glXReleaseVideoCaptureDeviceNV")) == NULL) || r;
+
+  return r;
+}
+
+#endif /* GLX_NV_video_capture */
+
 #ifdef GLX_NV_video_output
 
 static GLboolean _glewInit_GLX_NV_video_output (GLXEW_CONTEXT_ARG_DEF_INIT)
@@ -10866,8 +11090,7 @@ static GLboolean _glewInit_GLX_NV_video_output (GLXEW_CONTEXT_ARG_DEF_INIT)
 
 #endif /* GLX_OML_swap_method */
 
-#if defined(GLX_OML_sync_control) && defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
-#include <inttypes.h>
+#ifdef GLX_OML_sync_control
 
 static GLboolean _glewInit_GLX_OML_sync_control (GLXEW_CONTEXT_ARG_DEF_INIT)
 {
@@ -11088,27 +11311,21 @@ static GLboolean _glewInit_GLX_SUN_video_resize (GLXEW_CONTEXT_ARG_DEF_INIT)
 
 GLboolean glxewGetExtension (const char* name)
 {    
-  GLubyte* p;
-  GLubyte* end;
-  GLuint len;
+  const GLubyte* start;
+  const GLubyte* end;
 
   if (glXGetCurrentDisplay == NULL) return GL_FALSE;
-  len = _glewStrLen((const GLubyte*)name);
-  p = (GLubyte*)glXGetClientString(glXGetCurrentDisplay(), GLX_EXTENSIONS);
-  if (0 == p) return GL_FALSE;
-  end = p + _glewStrLen(p);
-  while (p < end)
-  {
-    GLuint n = _glewStrCLen(p, ' ');
-    if (len == n && _glewStrSame((const GLubyte*)name, p, n)) return GL_TRUE;
-    p += n+1;
-  }
-  return GL_FALSE;
+  start = (const GLubyte*)glXGetClientString(glXGetCurrentDisplay(), GLX_EXTENSIONS);
+  if (0 == start) return GL_FALSE;
+  end = start + _glewStrLen(start);
+  return _glewSearchExtension(name, start, end);
 }
 
 GLenum glxewContextInit (GLXEW_CONTEXT_ARG_DEF_LIST)
 {
   int major, minor;
+  const GLubyte* extStart;
+  const GLubyte* extEnd;
   /* initialize core GLX 1.2 */
   if (_glewInit_GLX_VERSION_1_2(GLEW_CONTEXT_ARG_VAR_INIT)) return GLEW_ERROR_GLX_VERSION_11_ONLY;
   /* initialize flags */
@@ -11135,196 +11352,206 @@ GLenum glxewContextInit (GLXEW_CONTEXT_ARG_DEF_LIST)
       break;
     }
   }
+  /* query GLX extension string */
+  extStart = 0;
+  if (glXGetCurrentDisplay != NULL)
+    extStart = (const GLubyte*)glXGetClientString(glXGetCurrentDisplay(), GLX_EXTENSIONS);
+  if (extStart == 0)
+    extStart = (const GLubyte *)"";
+  extEnd = extStart + _glewStrLen(extStart);
   /* initialize extensions */
 #ifdef GLX_VERSION_1_3
   if (glewExperimental || GLXEW_VERSION_1_3) CONST_CAST(GLXEW_VERSION_1_3) = !_glewInit_GLX_VERSION_1_3(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_VERSION_1_3 */
 #ifdef GLX_3DFX_multisample
-  CONST_CAST(GLXEW_3DFX_multisample) = glxewGetExtension("GLX_3DFX_multisample");
+  CONST_CAST(GLXEW_3DFX_multisample) = _glewSearchExtension("GLX_3DFX_multisample", extStart, extEnd);
 #endif /* GLX_3DFX_multisample */
 #ifdef GLX_AMD_gpu_association
-  CONST_CAST(GLXEW_AMD_gpu_association) = glxewGetExtension("GLX_AMD_gpu_association");
+  CONST_CAST(GLXEW_AMD_gpu_association) = _glewSearchExtension("GLX_AMD_gpu_association", extStart, extEnd);
 #endif /* GLX_AMD_gpu_association */
 #ifdef GLX_ARB_create_context
-  CONST_CAST(GLXEW_ARB_create_context) = glxewGetExtension("GLX_ARB_create_context");
+  CONST_CAST(GLXEW_ARB_create_context) = _glewSearchExtension("GLX_ARB_create_context", extStart, extEnd);
   if (glewExperimental || GLXEW_ARB_create_context) CONST_CAST(GLXEW_ARB_create_context) = !_glewInit_GLX_ARB_create_context(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_ARB_create_context */
 #ifdef GLX_ARB_create_context_profile
-  CONST_CAST(GLXEW_ARB_create_context_profile) = glxewGetExtension("GLX_ARB_create_context_profile");
+  CONST_CAST(GLXEW_ARB_create_context_profile) = _glewSearchExtension("GLX_ARB_create_context_profile", extStart, extEnd);
 #endif /* GLX_ARB_create_context_profile */
 #ifdef GLX_ARB_create_context_robustness
-  CONST_CAST(GLXEW_ARB_create_context_robustness) = glxewGetExtension("GLX_ARB_create_context_robustness");
+  CONST_CAST(GLXEW_ARB_create_context_robustness) = _glewSearchExtension("GLX_ARB_create_context_robustness", extStart, extEnd);
 #endif /* GLX_ARB_create_context_robustness */
 #ifdef GLX_ARB_fbconfig_float
-  CONST_CAST(GLXEW_ARB_fbconfig_float) = glxewGetExtension("GLX_ARB_fbconfig_float");
+  CONST_CAST(GLXEW_ARB_fbconfig_float) = _glewSearchExtension("GLX_ARB_fbconfig_float", extStart, extEnd);
 #endif /* GLX_ARB_fbconfig_float */
 #ifdef GLX_ARB_framebuffer_sRGB
-  CONST_CAST(GLXEW_ARB_framebuffer_sRGB) = glxewGetExtension("GLX_ARB_framebuffer_sRGB");
+  CONST_CAST(GLXEW_ARB_framebuffer_sRGB) = _glewSearchExtension("GLX_ARB_framebuffer_sRGB", extStart, extEnd);
 #endif /* GLX_ARB_framebuffer_sRGB */
 #ifdef GLX_ARB_get_proc_address
-  CONST_CAST(GLXEW_ARB_get_proc_address) = glxewGetExtension("GLX_ARB_get_proc_address");
+  CONST_CAST(GLXEW_ARB_get_proc_address) = _glewSearchExtension("GLX_ARB_get_proc_address", extStart, extEnd);
 #endif /* GLX_ARB_get_proc_address */
 #ifdef GLX_ARB_multisample
-  CONST_CAST(GLXEW_ARB_multisample) = glxewGetExtension("GLX_ARB_multisample");
+  CONST_CAST(GLXEW_ARB_multisample) = _glewSearchExtension("GLX_ARB_multisample", extStart, extEnd);
 #endif /* GLX_ARB_multisample */
 #ifdef GLX_ARB_vertex_buffer_object
-  CONST_CAST(GLXEW_ARB_vertex_buffer_object) = glxewGetExtension("GLX_ARB_vertex_buffer_object");
+  CONST_CAST(GLXEW_ARB_vertex_buffer_object) = _glewSearchExtension("GLX_ARB_vertex_buffer_object", extStart, extEnd);
 #endif /* GLX_ARB_vertex_buffer_object */
 #ifdef GLX_ATI_pixel_format_float
-  CONST_CAST(GLXEW_ATI_pixel_format_float) = glxewGetExtension("GLX_ATI_pixel_format_float");
+  CONST_CAST(GLXEW_ATI_pixel_format_float) = _glewSearchExtension("GLX_ATI_pixel_format_float", extStart, extEnd);
 #endif /* GLX_ATI_pixel_format_float */
 #ifdef GLX_ATI_render_texture
-  CONST_CAST(GLXEW_ATI_render_texture) = glxewGetExtension("GLX_ATI_render_texture");
+  CONST_CAST(GLXEW_ATI_render_texture) = _glewSearchExtension("GLX_ATI_render_texture", extStart, extEnd);
   if (glewExperimental || GLXEW_ATI_render_texture) CONST_CAST(GLXEW_ATI_render_texture) = !_glewInit_GLX_ATI_render_texture(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_ATI_render_texture */
 #ifdef GLX_EXT_create_context_es2_profile
-  CONST_CAST(GLXEW_EXT_create_context_es2_profile) = glxewGetExtension("GLX_EXT_create_context_es2_profile");
+  CONST_CAST(GLXEW_EXT_create_context_es2_profile) = _glewSearchExtension("GLX_EXT_create_context_es2_profile", extStart, extEnd);
 #endif /* GLX_EXT_create_context_es2_profile */
 #ifdef GLX_EXT_fbconfig_packed_float
-  CONST_CAST(GLXEW_EXT_fbconfig_packed_float) = glxewGetExtension("GLX_EXT_fbconfig_packed_float");
+  CONST_CAST(GLXEW_EXT_fbconfig_packed_float) = _glewSearchExtension("GLX_EXT_fbconfig_packed_float", extStart, extEnd);
 #endif /* GLX_EXT_fbconfig_packed_float */
 #ifdef GLX_EXT_framebuffer_sRGB
-  CONST_CAST(GLXEW_EXT_framebuffer_sRGB) = glxewGetExtension("GLX_EXT_framebuffer_sRGB");
+  CONST_CAST(GLXEW_EXT_framebuffer_sRGB) = _glewSearchExtension("GLX_EXT_framebuffer_sRGB", extStart, extEnd);
 #endif /* GLX_EXT_framebuffer_sRGB */
 #ifdef GLX_EXT_import_context
-  CONST_CAST(GLXEW_EXT_import_context) = glxewGetExtension("GLX_EXT_import_context");
+  CONST_CAST(GLXEW_EXT_import_context) = _glewSearchExtension("GLX_EXT_import_context", extStart, extEnd);
   if (glewExperimental || GLXEW_EXT_import_context) CONST_CAST(GLXEW_EXT_import_context) = !_glewInit_GLX_EXT_import_context(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_EXT_import_context */
 #ifdef GLX_EXT_scene_marker
-  CONST_CAST(GLXEW_EXT_scene_marker) = glxewGetExtension("GLX_EXT_scene_marker");
+  CONST_CAST(GLXEW_EXT_scene_marker) = _glewSearchExtension("GLX_EXT_scene_marker", extStart, extEnd);
 #endif /* GLX_EXT_scene_marker */
 #ifdef GLX_EXT_swap_control
-  CONST_CAST(GLXEW_EXT_swap_control) = glxewGetExtension("GLX_EXT_swap_control");
+  CONST_CAST(GLXEW_EXT_swap_control) = _glewSearchExtension("GLX_EXT_swap_control", extStart, extEnd);
   if (glewExperimental || GLXEW_EXT_swap_control) CONST_CAST(GLXEW_EXT_swap_control) = !_glewInit_GLX_EXT_swap_control(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_EXT_swap_control */
 #ifdef GLX_EXT_texture_from_pixmap
-  CONST_CAST(GLXEW_EXT_texture_from_pixmap) = glxewGetExtension("GLX_EXT_texture_from_pixmap");
+  CONST_CAST(GLXEW_EXT_texture_from_pixmap) = _glewSearchExtension("GLX_EXT_texture_from_pixmap", extStart, extEnd);
   if (glewExperimental || GLXEW_EXT_texture_from_pixmap) CONST_CAST(GLXEW_EXT_texture_from_pixmap) = !_glewInit_GLX_EXT_texture_from_pixmap(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_EXT_texture_from_pixmap */
 #ifdef GLX_EXT_visual_info
-  CONST_CAST(GLXEW_EXT_visual_info) = glxewGetExtension("GLX_EXT_visual_info");
+  CONST_CAST(GLXEW_EXT_visual_info) = _glewSearchExtension("GLX_EXT_visual_info", extStart, extEnd);
 #endif /* GLX_EXT_visual_info */
 #ifdef GLX_EXT_visual_rating
-  CONST_CAST(GLXEW_EXT_visual_rating) = glxewGetExtension("GLX_EXT_visual_rating");
+  CONST_CAST(GLXEW_EXT_visual_rating) = _glewSearchExtension("GLX_EXT_visual_rating", extStart, extEnd);
 #endif /* GLX_EXT_visual_rating */
 #ifdef GLX_INTEL_swap_event
-  CONST_CAST(GLXEW_INTEL_swap_event) = glxewGetExtension("GLX_INTEL_swap_event");
+  CONST_CAST(GLXEW_INTEL_swap_event) = _glewSearchExtension("GLX_INTEL_swap_event", extStart, extEnd);
 #endif /* GLX_INTEL_swap_event */
 #ifdef GLX_MESA_agp_offset
-  CONST_CAST(GLXEW_MESA_agp_offset) = glxewGetExtension("GLX_MESA_agp_offset");
+  CONST_CAST(GLXEW_MESA_agp_offset) = _glewSearchExtension("GLX_MESA_agp_offset", extStart, extEnd);
   if (glewExperimental || GLXEW_MESA_agp_offset) CONST_CAST(GLXEW_MESA_agp_offset) = !_glewInit_GLX_MESA_agp_offset(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_MESA_agp_offset */
 #ifdef GLX_MESA_copy_sub_buffer
-  CONST_CAST(GLXEW_MESA_copy_sub_buffer) = glxewGetExtension("GLX_MESA_copy_sub_buffer");
+  CONST_CAST(GLXEW_MESA_copy_sub_buffer) = _glewSearchExtension("GLX_MESA_copy_sub_buffer", extStart, extEnd);
   if (glewExperimental || GLXEW_MESA_copy_sub_buffer) CONST_CAST(GLXEW_MESA_copy_sub_buffer) = !_glewInit_GLX_MESA_copy_sub_buffer(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_MESA_copy_sub_buffer */
 #ifdef GLX_MESA_pixmap_colormap
-  CONST_CAST(GLXEW_MESA_pixmap_colormap) = glxewGetExtension("GLX_MESA_pixmap_colormap");
+  CONST_CAST(GLXEW_MESA_pixmap_colormap) = _glewSearchExtension("GLX_MESA_pixmap_colormap", extStart, extEnd);
   if (glewExperimental || GLXEW_MESA_pixmap_colormap) CONST_CAST(GLXEW_MESA_pixmap_colormap) = !_glewInit_GLX_MESA_pixmap_colormap(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_MESA_pixmap_colormap */
 #ifdef GLX_MESA_release_buffers
-  CONST_CAST(GLXEW_MESA_release_buffers) = glxewGetExtension("GLX_MESA_release_buffers");
+  CONST_CAST(GLXEW_MESA_release_buffers) = _glewSearchExtension("GLX_MESA_release_buffers", extStart, extEnd);
   if (glewExperimental || GLXEW_MESA_release_buffers) CONST_CAST(GLXEW_MESA_release_buffers) = !_glewInit_GLX_MESA_release_buffers(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_MESA_release_buffers */
 #ifdef GLX_MESA_set_3dfx_mode
-  CONST_CAST(GLXEW_MESA_set_3dfx_mode) = glxewGetExtension("GLX_MESA_set_3dfx_mode");
+  CONST_CAST(GLXEW_MESA_set_3dfx_mode) = _glewSearchExtension("GLX_MESA_set_3dfx_mode", extStart, extEnd);
   if (glewExperimental || GLXEW_MESA_set_3dfx_mode) CONST_CAST(GLXEW_MESA_set_3dfx_mode) = !_glewInit_GLX_MESA_set_3dfx_mode(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_MESA_set_3dfx_mode */
 #ifdef GLX_NV_copy_image
-  CONST_CAST(GLXEW_NV_copy_image) = glxewGetExtension("GLX_NV_copy_image");
+  CONST_CAST(GLXEW_NV_copy_image) = _glewSearchExtension("GLX_NV_copy_image", extStart, extEnd);
   if (glewExperimental || GLXEW_NV_copy_image) CONST_CAST(GLXEW_NV_copy_image) = !_glewInit_GLX_NV_copy_image(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_NV_copy_image */
 #ifdef GLX_NV_float_buffer
-  CONST_CAST(GLXEW_NV_float_buffer) = glxewGetExtension("GLX_NV_float_buffer");
+  CONST_CAST(GLXEW_NV_float_buffer) = _glewSearchExtension("GLX_NV_float_buffer", extStart, extEnd);
 #endif /* GLX_NV_float_buffer */
 #ifdef GLX_NV_multisample_coverage
-  CONST_CAST(GLXEW_NV_multisample_coverage) = glxewGetExtension("GLX_NV_multisample_coverage");
+  CONST_CAST(GLXEW_NV_multisample_coverage) = _glewSearchExtension("GLX_NV_multisample_coverage", extStart, extEnd);
 #endif /* GLX_NV_multisample_coverage */
 #ifdef GLX_NV_present_video
-  CONST_CAST(GLXEW_NV_present_video) = glxewGetExtension("GLX_NV_present_video");
+  CONST_CAST(GLXEW_NV_present_video) = _glewSearchExtension("GLX_NV_present_video", extStart, extEnd);
   if (glewExperimental || GLXEW_NV_present_video) CONST_CAST(GLXEW_NV_present_video) = !_glewInit_GLX_NV_present_video(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_NV_present_video */
 #ifdef GLX_NV_swap_group
-  CONST_CAST(GLXEW_NV_swap_group) = glxewGetExtension("GLX_NV_swap_group");
+  CONST_CAST(GLXEW_NV_swap_group) = _glewSearchExtension("GLX_NV_swap_group", extStart, extEnd);
   if (glewExperimental || GLXEW_NV_swap_group) CONST_CAST(GLXEW_NV_swap_group) = !_glewInit_GLX_NV_swap_group(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_NV_swap_group */
 #ifdef GLX_NV_vertex_array_range
-  CONST_CAST(GLXEW_NV_vertex_array_range) = glxewGetExtension("GLX_NV_vertex_array_range");
+  CONST_CAST(GLXEW_NV_vertex_array_range) = _glewSearchExtension("GLX_NV_vertex_array_range", extStart, extEnd);
   if (glewExperimental || GLXEW_NV_vertex_array_range) CONST_CAST(GLXEW_NV_vertex_array_range) = !_glewInit_GLX_NV_vertex_array_range(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_NV_vertex_array_range */
+#ifdef GLX_NV_video_capture
+  CONST_CAST(GLXEW_NV_video_capture) = _glewSearchExtension("GLX_NV_video_capture", extStart, extEnd);
+  if (glewExperimental || GLXEW_NV_video_capture) CONST_CAST(GLXEW_NV_video_capture) = !_glewInit_GLX_NV_video_capture(GLEW_CONTEXT_ARG_VAR_INIT);
+#endif /* GLX_NV_video_capture */
 #ifdef GLX_NV_video_output
-  CONST_CAST(GLXEW_NV_video_output) = glxewGetExtension("GLX_NV_video_output");
+  CONST_CAST(GLXEW_NV_video_output) = _glewSearchExtension("GLX_NV_video_output", extStart, extEnd);
   if (glewExperimental || GLXEW_NV_video_output) CONST_CAST(GLXEW_NV_video_output) = !_glewInit_GLX_NV_video_output(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_NV_video_output */
 #ifdef GLX_OML_swap_method
-  CONST_CAST(GLXEW_OML_swap_method) = glxewGetExtension("GLX_OML_swap_method");
+  CONST_CAST(GLXEW_OML_swap_method) = _glewSearchExtension("GLX_OML_swap_method", extStart, extEnd);
 #endif /* GLX_OML_swap_method */
-#if defined(GLX_OML_sync_control) && defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
-#include <inttypes.h>
-  CONST_CAST(GLXEW_OML_sync_control) = glxewGetExtension("GLX_OML_sync_control");
+#ifdef GLX_OML_sync_control
+  CONST_CAST(GLXEW_OML_sync_control) = _glewSearchExtension("GLX_OML_sync_control", extStart, extEnd);
   if (glewExperimental || GLXEW_OML_sync_control) CONST_CAST(GLXEW_OML_sync_control) = !_glewInit_GLX_OML_sync_control(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_OML_sync_control */
 #ifdef GLX_SGIS_blended_overlay
-  CONST_CAST(GLXEW_SGIS_blended_overlay) = glxewGetExtension("GLX_SGIS_blended_overlay");
+  CONST_CAST(GLXEW_SGIS_blended_overlay) = _glewSearchExtension("GLX_SGIS_blended_overlay", extStart, extEnd);
 #endif /* GLX_SGIS_blended_overlay */
 #ifdef GLX_SGIS_color_range
-  CONST_CAST(GLXEW_SGIS_color_range) = glxewGetExtension("GLX_SGIS_color_range");
+  CONST_CAST(GLXEW_SGIS_color_range) = _glewSearchExtension("GLX_SGIS_color_range", extStart, extEnd);
 #endif /* GLX_SGIS_color_range */
 #ifdef GLX_SGIS_multisample
-  CONST_CAST(GLXEW_SGIS_multisample) = glxewGetExtension("GLX_SGIS_multisample");
+  CONST_CAST(GLXEW_SGIS_multisample) = _glewSearchExtension("GLX_SGIS_multisample", extStart, extEnd);
 #endif /* GLX_SGIS_multisample */
 #ifdef GLX_SGIS_shared_multisample
-  CONST_CAST(GLXEW_SGIS_shared_multisample) = glxewGetExtension("GLX_SGIS_shared_multisample");
+  CONST_CAST(GLXEW_SGIS_shared_multisample) = _glewSearchExtension("GLX_SGIS_shared_multisample", extStart, extEnd);
 #endif /* GLX_SGIS_shared_multisample */
 #ifdef GLX_SGIX_fbconfig
-  CONST_CAST(GLXEW_SGIX_fbconfig) = glxewGetExtension("GLX_SGIX_fbconfig");
+  CONST_CAST(GLXEW_SGIX_fbconfig) = _glewSearchExtension("GLX_SGIX_fbconfig", extStart, extEnd);
   if (glewExperimental || GLXEW_SGIX_fbconfig) CONST_CAST(GLXEW_SGIX_fbconfig) = !_glewInit_GLX_SGIX_fbconfig(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_SGIX_fbconfig */
 #ifdef GLX_SGIX_hyperpipe
-  CONST_CAST(GLXEW_SGIX_hyperpipe) = glxewGetExtension("GLX_SGIX_hyperpipe");
+  CONST_CAST(GLXEW_SGIX_hyperpipe) = _glewSearchExtension("GLX_SGIX_hyperpipe", extStart, extEnd);
   if (glewExperimental || GLXEW_SGIX_hyperpipe) CONST_CAST(GLXEW_SGIX_hyperpipe) = !_glewInit_GLX_SGIX_hyperpipe(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_SGIX_hyperpipe */
 #ifdef GLX_SGIX_pbuffer
-  CONST_CAST(GLXEW_SGIX_pbuffer) = glxewGetExtension("GLX_SGIX_pbuffer");
+  CONST_CAST(GLXEW_SGIX_pbuffer) = _glewSearchExtension("GLX_SGIX_pbuffer", extStart, extEnd);
   if (glewExperimental || GLXEW_SGIX_pbuffer) CONST_CAST(GLXEW_SGIX_pbuffer) = !_glewInit_GLX_SGIX_pbuffer(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_SGIX_pbuffer */
 #ifdef GLX_SGIX_swap_barrier
-  CONST_CAST(GLXEW_SGIX_swap_barrier) = glxewGetExtension("GLX_SGIX_swap_barrier");
+  CONST_CAST(GLXEW_SGIX_swap_barrier) = _glewSearchExtension("GLX_SGIX_swap_barrier", extStart, extEnd);
   if (glewExperimental || GLXEW_SGIX_swap_barrier) CONST_CAST(GLXEW_SGIX_swap_barrier) = !_glewInit_GLX_SGIX_swap_barrier(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_SGIX_swap_barrier */
 #ifdef GLX_SGIX_swap_group
-  CONST_CAST(GLXEW_SGIX_swap_group) = glxewGetExtension("GLX_SGIX_swap_group");
+  CONST_CAST(GLXEW_SGIX_swap_group) = _glewSearchExtension("GLX_SGIX_swap_group", extStart, extEnd);
   if (glewExperimental || GLXEW_SGIX_swap_group) CONST_CAST(GLXEW_SGIX_swap_group) = !_glewInit_GLX_SGIX_swap_group(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_SGIX_swap_group */
 #ifdef GLX_SGIX_video_resize
-  CONST_CAST(GLXEW_SGIX_video_resize) = glxewGetExtension("GLX_SGIX_video_resize");
+  CONST_CAST(GLXEW_SGIX_video_resize) = _glewSearchExtension("GLX_SGIX_video_resize", extStart, extEnd);
   if (glewExperimental || GLXEW_SGIX_video_resize) CONST_CAST(GLXEW_SGIX_video_resize) = !_glewInit_GLX_SGIX_video_resize(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_SGIX_video_resize */
 #ifdef GLX_SGIX_visual_select_group
-  CONST_CAST(GLXEW_SGIX_visual_select_group) = glxewGetExtension("GLX_SGIX_visual_select_group");
+  CONST_CAST(GLXEW_SGIX_visual_select_group) = _glewSearchExtension("GLX_SGIX_visual_select_group", extStart, extEnd);
 #endif /* GLX_SGIX_visual_select_group */
 #ifdef GLX_SGI_cushion
-  CONST_CAST(GLXEW_SGI_cushion) = glxewGetExtension("GLX_SGI_cushion");
+  CONST_CAST(GLXEW_SGI_cushion) = _glewSearchExtension("GLX_SGI_cushion", extStart, extEnd);
   if (glewExperimental || GLXEW_SGI_cushion) CONST_CAST(GLXEW_SGI_cushion) = !_glewInit_GLX_SGI_cushion(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_SGI_cushion */
 #ifdef GLX_SGI_make_current_read
-  CONST_CAST(GLXEW_SGI_make_current_read) = glxewGetExtension("GLX_SGI_make_current_read");
+  CONST_CAST(GLXEW_SGI_make_current_read) = _glewSearchExtension("GLX_SGI_make_current_read", extStart, extEnd);
   if (glewExperimental || GLXEW_SGI_make_current_read) CONST_CAST(GLXEW_SGI_make_current_read) = !_glewInit_GLX_SGI_make_current_read(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_SGI_make_current_read */
 #ifdef GLX_SGI_swap_control
-  CONST_CAST(GLXEW_SGI_swap_control) = glxewGetExtension("GLX_SGI_swap_control");
+  CONST_CAST(GLXEW_SGI_swap_control) = _glewSearchExtension("GLX_SGI_swap_control", extStart, extEnd);
   if (glewExperimental || GLXEW_SGI_swap_control) CONST_CAST(GLXEW_SGI_swap_control) = !_glewInit_GLX_SGI_swap_control(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_SGI_swap_control */
 #ifdef GLX_SGI_video_sync
-  CONST_CAST(GLXEW_SGI_video_sync) = glxewGetExtension("GLX_SGI_video_sync");
+  CONST_CAST(GLXEW_SGI_video_sync) = _glewSearchExtension("GLX_SGI_video_sync", extStart, extEnd);
   if (glewExperimental || GLXEW_SGI_video_sync) CONST_CAST(GLXEW_SGI_video_sync) = !_glewInit_GLX_SGI_video_sync(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_SGI_video_sync */
 #ifdef GLX_SUN_get_transparent_index
-  CONST_CAST(GLXEW_SUN_get_transparent_index) = glxewGetExtension("GLX_SUN_get_transparent_index");
+  CONST_CAST(GLXEW_SUN_get_transparent_index) = _glewSearchExtension("GLX_SUN_get_transparent_index", extStart, extEnd);
   if (glewExperimental || GLXEW_SUN_get_transparent_index) CONST_CAST(GLXEW_SUN_get_transparent_index) = !_glewInit_GLX_SUN_get_transparent_index(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_SUN_get_transparent_index */
 #ifdef GLX_SUN_video_resize
-  CONST_CAST(GLXEW_SUN_video_resize) = glxewGetExtension("GLX_SUN_video_resize");
+  CONST_CAST(GLXEW_SUN_video_resize) = _glewSearchExtension("GLX_SUN_video_resize", extStart, extEnd);
   if (glewExperimental || GLXEW_SUN_video_resize) CONST_CAST(GLXEW_SUN_video_resize) = !_glewInit_GLX_SUN_video_resize(GLEW_CONTEXT_ARG_VAR_INIT);
 #endif /* GLX_SUN_video_resize */
 
@@ -11354,10 +11581,10 @@ const GLubyte* glewGetString (GLenum name)
   static const GLubyte* _glewString[] =
   {
     (const GLubyte*)NULL,
-    (const GLubyte*)"1.5.8",
+    (const GLubyte*)"1.6.0",
     (const GLubyte*)"1",
-    (const GLubyte*)"5",
-    (const GLubyte*)"8"
+    (const GLubyte*)"6",
+    (const GLubyte*)"0"
   };
   const int max_string = sizeof(_glewString)/sizeof(*_glewString) - 1;
   return _glewString[(int)name > max_string ? 0 : (int)name];
@@ -11522,6 +11749,13 @@ GLboolean glewIsSupported (const char* name)
       }
       if (_glewStrSame2(&pos, &len, (const GLubyte*)"AMD_", 4))
       {
+#ifdef GL_AMD_blend_minmax_factor
+        if (_glewStrSame3(&pos, &len, (const GLubyte*)"blend_minmax_factor", 19))
+        {
+          ret = GLEW_AMD_blend_minmax_factor;
+          continue;
+        }
+#endif
 #ifdef GL_AMD_conservative_depth
         if (_glewStrSame3(&pos, &len, (const GLubyte*)"conservative_depth", 18))
         {
@@ -11564,6 +11798,13 @@ GLboolean glewIsSupported (const char* name)
           continue;
         }
 #endif
+#ifdef GL_AMD_sample_positions
+        if (_glewStrSame3(&pos, &len, (const GLubyte*)"sample_positions", 16))
+        {
+          ret = GLEW_AMD_sample_positions;
+          continue;
+        }
+#endif
 #ifdef GL_AMD_seamless_cubemap_per_texture
         if (_glewStrSame3(&pos, &len, (const GLubyte*)"seamless_cubemap_per_texture", 28))
         {
@@ -13217,6 +13458,13 @@ GLboolean glewIsSupported (const char* name)
           continue;
         }
 #endif
+#ifdef GL_EXT_x11_sync_object
+        if (_glewStrSame3(&pos, &len, (const GLubyte*)"x11_sync_object", 15))
+        {
+          ret = GLEW_EXT_x11_sync_object;
+          continue;
+        }
+#endif
       }
       if (_glewStrSame2(&pos, &len, (const GLubyte*)"GREMEDY_", 8))
       {
@@ -13723,6 +13971,13 @@ GLboolean glewIsSupported (const char* name)
           continue;
         }
 #endif
+#ifdef GL_NV_texture_multisample
+        if (_glewStrSame3(&pos, &len, (const GLubyte*)"texture_multisample", 19))
+        {
+          ret = GLEW_NV_texture_multisample;
+          continue;
+        }
+#endif
 #ifdef GL_NV_texture_rectangle
         if (_glewStrSame3(&pos, &len, (const GLubyte*)"texture_rectangle", 17))
         {
@@ -13842,6 +14097,13 @@ GLboolean glewIsSupported (const char* name)
           continue;
         }
 #endif
+#ifdef GL_NV_video_capture
+        if (_glewStrSame3(&pos, &len, (const GLubyte*)"video_capture", 13))
+        {
+          ret = GLEW_NV_video_capture;
+          continue;
+        }
+#endif
       }
       if (_glewStrSame2(&pos, &len, (const GLubyte*)"OES_", 4))
       {
@@ -14655,6 +14917,13 @@ GLboolean wglewIsSupported (const char* name)
       }
       if (_glewStrSame2(&pos, &len, (const GLubyte*)"NV_", 3))
       {
+#ifdef WGL_NV_DX_interop
+        if (_glewStrSame3(&pos, &len, (const GLubyte*)"DX_interop", 10))
+        {
+          ret = WGLEW_NV_DX_interop;
+          continue;
+        }
+#endif
 #ifdef WGL_NV_copy_image
         if (_glewStrSame3(&pos, &len, (const GLubyte*)"copy_image", 10))
         {
@@ -14718,6 +14987,13 @@ GLboolean wglewIsSupported (const char* name)
           continue;
         }
 #endif
+#ifdef WGL_NV_video_capture
+        if (_glewStrSame3(&pos, &len, (const GLubyte*)"video_capture", 13))
+        {
+          ret = WGLEW_NV_video_capture;
+          continue;
+        }
+#endif
 #ifdef WGL_NV_video_output
         if (_glewStrSame3(&pos, &len, (const GLubyte*)"video_output", 12))
         {
@@ -15035,6 +15311,13 @@ GLboolean glxewIsSupported (const char* name)
           continue;
         }
 #endif
+#ifdef GLX_NV_video_capture
+        if (_glewStrSame3(&pos, &len, (const GLubyte*)"video_capture", 13))
+        {
+          ret = GLXEW_NV_video_capture;
+          continue;
+        }
+#endif
 #ifdef GLX_NV_video_output
         if (_glewStrSame3(&pos, &len, (const GLubyte*)"video_output", 12))
         {
@@ -15052,8 +15335,7 @@ GLboolean glxewIsSupported (const char* name)
           continue;
         }
 #endif
-#if defined(GLX_OML_sync_control) && defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
-#include <inttypes.h>
+#ifdef GLX_OML_sync_control
         if (_glewStrSame3(&pos, &len, (const GLubyte*)"sync_control", 12))
         {
           ret = GLXEW_OML_sync_control;
diff --git a/extern/libopenjpeg/CMakeLists.txt b/extern/libopenjpeg/CMakeLists.txt
index c5ba1363246..fe03db83054 100644
--- a/extern/libopenjpeg/CMakeLists.txt
+++ b/extern/libopenjpeg/CMakeLists.txt
@@ -28,6 +28,10 @@ set(INC
 	.
 )
 
+set(INC_SYS
+
+)
+
 set(SRC
 	bio.c
 	cio.c
@@ -73,4 +77,4 @@ set(SRC
 	tgt.h
 )
 
-blender_add_lib(extern_openjpeg "${SRC}" "${INC}")
+blender_add_lib(extern_openjpeg "${SRC}" "${INC}" "${INC_SYS}")
diff --git a/extern/libredcode/CMakeLists.txt b/extern/libredcode/CMakeLists.txt
index 4574ff1fbfb..1c4daac42d1 100644
--- a/extern/libredcode/CMakeLists.txt
+++ b/extern/libredcode/CMakeLists.txt
@@ -1,4 +1,4 @@
-# $Id: CMakeLists.txt 33864 2010-12-22 23:09:30Z campbellbarton $
+# $Id$
 # ***** BEGIN GPL LICENSE BLOCK *****
 #
 # This program is free software; you can redistribute it and/or
@@ -26,6 +26,9 @@
 
 set(INC
 	.
+)
+
+set(INC_SYS
 	../libopenjpeg
 )
 
@@ -39,4 +42,4 @@ set(SRC
 	format.h
 )
 
-blender_add_lib(extern_redcode "${SRC}" "${INC}")
+blender_add_lib(extern_redcode "${SRC}" "${INC}" "${INC_SYS}")
diff --git a/extern/lzma/CMakeLists.txt b/extern/lzma/CMakeLists.txt
index 710165d2496..bfb52591e08 100644
--- a/extern/lzma/CMakeLists.txt
+++ b/extern/lzma/CMakeLists.txt
@@ -28,6 +28,10 @@ set(INC
 	.
 )
 
+set(INC_SYS
+
+)
+
 set(SRC
 	Alloc.c
 	LzFind.c
@@ -44,4 +48,4 @@ set(SRC
 	Types.h
 )
 
-blender_add_lib(extern_lzma "${SRC}" "${INC}")
+blender_add_lib(extern_lzma "${SRC}" "${INC}" "${INC_SYS}")
diff --git a/extern/lzo/CMakeLists.txt b/extern/lzo/CMakeLists.txt
index 17728aad43e..10ea2c58f7c 100644
--- a/extern/lzo/CMakeLists.txt
+++ b/extern/lzo/CMakeLists.txt
@@ -28,6 +28,10 @@ set(INC
 	include
 )
 
+set(INC_SYS
+
+)
+
 set(SRC
 	minilzo/minilzo.c
 
@@ -36,4 +40,4 @@ set(SRC
 	minilzo/minilzo.h
 )
 
-blender_add_lib(extern_minilzo "${SRC}" "${INC}")
+blender_add_lib(extern_minilzo "${SRC}" "${INC}" "${INC_SYS}")
diff --git a/extern/recastnavigation/CMakeLists.txt b/extern/recastnavigation/CMakeLists.txt
index d03022a2ccf..694f14293c2 100644
--- a/extern/recastnavigation/CMakeLists.txt
+++ b/extern/recastnavigation/CMakeLists.txt
@@ -29,6 +29,10 @@ set(INC
 		Detour/Include
 )
 
+set(INC_SYS
+
+)
+
 set(SRC 
 		Detour/Source/DetourCommon.cpp
 		Detour/Source/DetourNode.cpp
@@ -59,5 +63,4 @@ set(SRC
 		Recast/Include/RecastTimer.h	
 )
 
-blender_add_lib(extern_recastnavigation "${SRC}" "${INC}")
-
+blender_add_lib(extern_recastnavigation "${SRC}" "${INC}" "${INC_SYS}")
\ No newline at end of file