3 files changed, 30 insertions, 10 deletions
diff --git a/source/blender/gpu/intern/gpu_buffers.c b/source/blender/gpu/intern/gpu_buffers.c
index 6e475ace09d..daf97c4841f 100644
--- a/source/blender/gpu/intern/gpu_buffers.c
+++ b/source/blender/gpu/intern/gpu_buffers.c
@@ -45,6 +45,7 @@
 #include "BLI_threads.h"
 
 #include "DNA_meshdata_types.h"
+#include "DNA_material_types.h"
 
 #include "BKE_ccg.h"
 #include "BKE_DerivedMesh.h"
@@ -66,8 +67,8 @@ typedef enum {
 
 #define MAX_GPU_ATTRIB_DATA 32
 
-/* material number is an 16-bit short and the range of short is from -16383 to 16383 (assume material number is non-negative) */
-#define MAX_MATERIALS 16384
+/* material number is an 16-bit signed short and the range (assume material number is non-negative) */
+#define MAX_MATERIALS MAXMAT
 
 /* -1 - undefined, 0 - vertex arrays, 1 - VBOs */
 static int useVBOs = -1;
diff --git a/source/blender/gpu/intern/gpu_draw.c b/source/blender/gpu/intern/gpu_draw.c
index d466e59452b..88a9122e88c 100644
--- a/source/blender/gpu/intern/gpu_draw.c
+++ b/source/blender/gpu/intern/gpu_draw.c
@@ -252,6 +252,25 @@ void GPU_set_gpu_mipmapping(int gpu_mipmap)
 	}
 }
 
+static void gpu_generate_mipmap(GLenum target)
+{
+	int is_ati = GPU_type_matches(GPU_DEVICE_ATI, GPU_OS_ANY, GPU_DRIVER_ANY);
+	int target_enabled = 0;
+
+	/* work around bug in ATI driver, need to have GL_TEXTURE_2D enabled
+	 * http://www.opengl.org/wiki/Common_Mistakes#Automatic_mipmap_generation */
+	if (is_ati) {
+		target_enabled = glIsEnabled(target);
+		if (!target_enabled)
+			glEnable(target);
+	}
+
+	glGenerateMipmapEXT(target);
+
+	if (is_ati && !target_enabled)
+		glDisable(target);
+}
+
 void GPU_set_mipmap(int mipmap)
 {
 	if (GTS.domipmap != (mipmap != 0)) {
@@ -691,7 +710,7 @@ void GPU_create_gl_tex(unsigned int *bind, unsigned int *pix, float * frect, int
 			else
 				glTexImage2D(GL_TEXTURE_2D, 0,  GL_RGBA,  rectw, recth, 0, GL_RGBA, GL_UNSIGNED_BYTE, pix);
 
-			glGenerateMipmapEXT(GL_TEXTURE_2D);
+			gpu_generate_mipmap(GL_TEXTURE_2D);
 		}
 		else {
 			if (use_high_bit_depth)
@@ -934,7 +953,7 @@ void GPU_paint_update_image(Image *ima, int x, int y, int w, int h)
 			/* we have already accounted for the case where GTS.gpu_mipmap is false
 			 * so we will be using GPU mipmap generation here */
 			if (GPU_get_mipmap()) {
-				glGenerateMipmapEXT(GL_TEXTURE_2D);
+				gpu_generate_mipmap(GL_TEXTURE_2D);
 			}
 			else {
 				ima->tpageflag &= ~IMA_MIPMAP_COMPLETE;
@@ -959,7 +978,7 @@ void GPU_paint_update_image(Image *ima, int x, int y, int w, int h)
 
 		/* see comment above as to why we are using gpu mipmap generation here */
 		if (GPU_get_mipmap()) {
-			glGenerateMipmapEXT(GL_TEXTURE_2D);
+			gpu_generate_mipmap(GL_TEXTURE_2D);
 		}
 		else {
 			ima->tpageflag &= ~IMA_MIPMAP_COMPLETE;
@@ -1593,7 +1612,7 @@ int GPU_default_lights(void)
 	return count;
 }
 
-int GPU_scene_object_lights(Scene *scene, Object *ob, int lay, float viewmat[][4], int ortho)
+int GPU_scene_object_lights(Scene *scene, Object *ob, int lay, float viewmat[4][4], int ortho)
 {
 	Base *base;
 	Lamp *la;
diff --git a/source/blender/gpu/intern/gpu_material.c b/source/blender/gpu/intern/gpu_material.c
index 9c48f74bf5f..2039f01a740 100644
--- a/source/blender/gpu/intern/gpu_material.c
+++ b/source/blender/gpu/intern/gpu_material.c
@@ -282,7 +282,7 @@ void GPU_material_bind(GPUMaterial *material, int oblay, int viewlay, double tim
 	}
 }
 
-void GPU_material_bind_uniforms(GPUMaterial *material, float obmat[][4], float viewmat[][4], float viewinv[][4], float obcol[4], float autobumpscale)
+void GPU_material_bind_uniforms(GPUMaterial *material, float obmat[4][4], float viewmat[4][4], float viewinv[4][4], float obcol[4], float autobumpscale)
 {
 	if (material->pass) {
 		GPUShader *shader = GPU_pass_shader(material->pass);
@@ -1526,7 +1526,7 @@ GPUMaterial *GPU_material_from_blender(Scene *scene, Material *ma)
 		ntreeGPUMaterialNodes(ma->nodetree, mat);
 	}
 	else {
-		if(BKE_scene_use_new_shading_nodes(scene)) {
+		if (BKE_scene_use_new_shading_nodes(scene)) {
 			/* create simple diffuse material instead of nodes */
 			outlink = gpu_material_diffuse_bsdf(mat, ma);
 		}
@@ -1572,7 +1572,7 @@ void GPU_materials_free(void)
 
 /* Lamps and shadow buffers */
 
-void GPU_lamp_update(GPULamp *lamp, int lay, int hide, float obmat[][4])
+void GPU_lamp_update(GPULamp *lamp, int lay, int hide, float obmat[4][4])
 {
 	float mat[4][4];
 
@@ -1854,7 +1854,7 @@ void GPU_lamp_update_buffer_mats(GPULamp *lamp)
 	mult_m4_m4m4(lamp->persmat, rangemat, persmat);
 }
 
-void GPU_lamp_shadow_buffer_bind(GPULamp *lamp, float viewmat[][4], int *winsize, float winmat[][4])
+void GPU_lamp_shadow_buffer_bind(GPULamp *lamp, float viewmat[4][4], int *winsize, float winmat[4][4])
 {
 	GPU_lamp_update_buffer_mats(lamp);