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#-------------------------------------------------------------------
# This file was taken from the CMake build system for OGRE
# (http://www.ogre3d.org/) from the following link:
#
# http://gamekit.googlecode.com/svn/trunk/CMake/Packages/FindOpenGLES3.cmake
#
#-------------------------------------------------------------------
# OGRE License:
#
# The contents of this file are placed in the public domain. Feel
# free to make use of it in any way you like.
#-------------------------------------------------------------------
# - Try to find OpenGLES and EGL
# Once done this will define
#
# OPENGLES3_FOUND - system has OpenGLES
# OPENGLES3_INCLUDE_DIR - the GL include directory
# OPENGLES3_LIBRARIES - Link these to use OpenGLES
#
# EGL_FOUND - system has EGL
# EGL_INCLUDE_DIR - the EGL include directory
# EGL_LIBRARIES - Link these to use EGL
IF (WIN32)
IF (CYGWIN)
FIND_PATH(OPENGLES3_INCLUDE_DIR GLES3/gl3.h )
FIND_LIBRARY(OPENGLES3_gl_LIBRARY libGLESv2 )
ELSE (CYGWIN)
IF(BORLAND)
SET (OPENGLES3_gl_LIBRARY import32 CACHE STRING "OpenGL ES 3.x library for win32")
ELSE(BORLAND)
SET(POWERVR_SDK_PATH "C:/Imagination/PowerVR/GraphicsSDK/SDK_3.0/Builds/OGLES3")
FIND_PATH(OPENGLES3_INCLUDE_DIR GLES3/gl3.h
${POWERVR_SDK_PATH}/Include
)
FIND_PATH(EGL_INCLUDE_DIR EGL/egl.h
${POWERVR_SDK_PATH}/Include
)
FIND_LIBRARY(OPENGLES3_gl_LIBRARY
NAMES libGLESv2
PATHS ${POWERVR_SDK_PATH}/Windows_x86_32/Lib
)
FIND_LIBRARY(EGL_egl_LIBRARY
NAMES libEGL
PATHS ${POWERVR_SDK_PATH}/Windows_x86_32/Lib
)
ENDIF(BORLAND)
ENDIF (CYGWIN)
ELSE (WIN32)
IF (APPLE)
create_search_paths(/Developer/Platforms)
findpkg_framework(OpenGLES3)
set(OPENGLES3_gl_LIBRARY "-framework OpenGLES")
ELSE(APPLE)
FIND_PATH(OPENGLES2_INCLUDE_DIR GLES3/gl3.h
/usr/openwin/share/include
/opt/graphics/OpenGL/include /usr/X11R6/include
/usr/include
)
FIND_LIBRARY(OPENGLES3_gl_LIBRARY
NAMES GLESv2
PATHS /opt/graphics/OpenGL/lib
/usr/openwin/lib
/usr/shlib /usr/X11R6/lib
/usr/lib
)
FIND_PATH(EGL_INCLUDE_DIR EGL/egl.h
/usr/openwin/share/include
/opt/graphics/OpenGL/include /usr/X11R6/include
/usr/include
)
FIND_LIBRARY(EGL_egl_LIBRARY
NAMES EGL
PATHS /opt/graphics/OpenGL/lib
/usr/openwin/lib
/usr/shlib /usr/X11R6/lib
/usr/lib
)
# On Unix OpenGL most certainly always requires X11.
# Feel free to tighten up these conditions if you don't
# think this is always true.
# It's not true on OSX.
IF (OPENGLES3_gl_LIBRARY)
IF(NOT X11_FOUND)
INCLUDE(FindX11)
ENDIF(NOT X11_FOUND)
IF (X11_FOUND)
IF (NOT APPLE)
SET (OPENGLES3_LIBRARIES ${X11_LIBRARIES})
ENDIF (NOT APPLE)
ENDIF (X11_FOUND)
ENDIF (OPENGLES3_gl_LIBRARY)
ENDIF(APPLE)
ENDIF (WIN32)
SET( OPENGLES3_FOUND "YES" )
IF(OPENGLES3_gl_LIBRARY AND EGL_egl_LIBRARY)
SET( OPENGLES3_LIBRARIES ${OPENGLES3_gl_LIBRARY} ${OPENGLES3_LIBRARIES})
SET( EGL_LIBRARIES ${EGL_egl_LIBRARY} ${EGL_LIBRARIES})
SET( OPENGLES3_FOUND "YES" )
ENDIF(OPENGLES3_gl_LIBRARY AND EGL_egl_LIBRARY)
MARK_AS_ADVANCED(
OPENGLES3_INCLUDE_DIR
OPENGLES3_gl_LIBRARY
EGL_INCLUDE_DIR
EGL_egl_LIBRARY
)
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