Ghost Context Refactor

https://developer.blender.org/D643
Separates graphics context creation from window code in Ghost so that they can vary separately.

1 files changed, 76 insertions, 0 deletions

diff --git a/build_files/cmake/Modules/FindOpenGLES.cmake b/build_files/cmake/Modules/FindOpenGLES.cmake
new file mode 100644
index 00000000000..1bb06c2f31c
--- /dev/null
+++ b/build_files/cmake/Modules/FindOpenGLES.cmake
@@ -0,0 +1,76 @@
+# - Try to find OpenGLES
+# Once done this will define
+#
+#  OPENGLES_FOUND           - system has OpenGLES and EGL
+#  OPENGL_EGL_FOUND         - system has EGL
+#  OPENGLES_INCLUDE_DIR     - the GLES include directory
+#  OPENGLES_LIBRARY         - the GLES library
+#  OPENGLES_EGL_INCLUDE_DIR - the EGL include directory
+#  OPENGLES_EGL_LIBRARY     - the EGL library
+#  OPENGLES_LIBRARIES       - all libraries needed for OpenGLES
+#  OPENGLES_INCLUDES        - all includes needed for OpenGLES
+
+# If OPENGLES_ROOT_DIR was defined in the environment, use it.
+IF(NOT OPENGLES_ROOT_DIR AND NOT $ENV{OPENGLES_ROOT_DIR} STREQUAL "")
+  SET(OPENGLES_ROOT_DIR $ENV{OPENGLES_ROOT_DIR})
+ENDIF()
+
+SET(_opengles_SEARCH_DIRS
+  ${OPENGLES_ROOT_DIR}
+  /usr/local
+)
+
+FIND_PATH(OPENGLES_INCLUDE_DIR
+  NAMES
+    GLES2/gl2.h
+  HINTS
+    ${_opengles_SEARCH_DIRS}
+)
+
+FIND_LIBRARY(OPENGLES_LIBRARY
+  NAMES
+    GLESv2
+  PATHS
+    ${_opengles_SEARCH_DIRS}
+  PATH_SUFFIXES
+    lib64 lib
+)
+
+FIND_PATH(OPENGLES_EGL_INCLUDE_DIR
+  NAMES
+    EGL/egl.h
+  HINTS
+    ${_opengles_SEARCH_DIRS}
+)
+
+FIND_LIBRARY(OPENGLES_EGL_LIBRARY
+  NAMES
+    EGL
+  HINTS
+    ${_opengles_SEARCH_DIRS}
+  PATH_SUFFIXES
+    lib64 lib
+)
+
+IF(OPENGLES_EGL_LIBRARY AND OPENGLES_EGL_INCLUDE_DIR)
+  SET(OPENGL_EGL_FOUND "YES")
+ELSE()
+  SET(OPENGL_EGL_FOUND "NO")
+ENDIF()
+
+IF(OPENGLES_LIBRARY AND OPENGLES_INCLUDE_DIR AND
+   OPENGLES_EGL_LIBRARY AND OPENGLES_EGL_INCLUDE_DIR)
+  SET(OPENGLES_LIBRARIES ${OPENGLES_LIBRARY} ${OPENGLES_LIBRARIES}
+                           ${OPENGLES_EGL_LIBRARY})
+  SET(OPENGLES_INCLUDES ${OPENGLES_INCLUDE_DIR} ${OPENGLES_EGL_INCLUDE_DIR})
+  SET(OPENGLES_FOUND "YES")
+ELSE()
+  SET(OPENGLES_FOUND "NO")
+ENDIF()
+
+MARK_AS_ADVANCED(
+  OPENGLES_EGL_INCLUDE_DIR
+  OPENGLES_EGL_LIBRARY
+  OPENGLES_INCLUDE_DIR
+)
+