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Clean up FindOpenGLES2.cmake

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This commit is contained in:
sfan5 2019-07-25 19:55:40 +02:00
parent 6c2ded4cac
commit d0246cfdcc
1 changed files with 24 additions and 62 deletions
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86
cmake/Modules/FindOpenGLES2.cmake
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@ -1,6 +1,4 @@
#-------------------------------------------------------------------
# This file is stolen from part of the CMake build system for OGRE (Object-oriented Graphics Rendering Engine) http://www.ogre3d.org/
#
# The contents of this file are placed in the public domain. Feel
# free to make use of it in any way you like.
#-------------------------------------------------------------------
@ -16,26 +14,18 @@
# EGL_INCLUDE_DIR - the EGL include directory
# EGL_LIBRARIES - Link these to use EGL
# Win32, Apple, and Android are not tested!
# Win32 and Apple are not tested!
# Linux tested and works
if(WIN32)
if(CYGWIN)
find_path(OPENGLES2_INCLUDE_DIR GLES2/gl2.h)
find_library(OPENGLES2_LIBRARY libGLESv2)
else()
if(BORLAND)
set(OPENGLES2_LIBRARY import32 CACHE STRING "OpenGL ES 2.x library for Win32")
else()
# TODO
# set(OPENGLES_LIBRARY ${SOURCE_DIR}/Dependencies/lib/release/libGLESv2.lib CACHE STRING "OpenGL ES 2.x library for win32"
endif()
endif()
find_path(OPENGLES2_INCLUDE_DIR GLES2/gl2.h)
find_library(OPENGLES2_LIBRARY libGLESv2)
elseif(APPLE)
create_search_paths(/Developer/Platforms)
findpkg_framework(OpenGLES2)
set(OPENGLES2_LIBRARY "-framework OpenGLES")
else()
# Unix
find_path(OPENGLES2_INCLUDE_DIR GLES2/gl2.h
PATHS /usr/openwin/share/include
/opt/graphics/OpenGL/include
@ -47,55 +37,34 @@ else()
NAMES GLESv2
PATHS /opt/graphics/OpenGL/lib
/usr/openwin/lib
/usr/shlib /usr/X11R6/lib
/usr/X11R6/lib
/usr/lib
)
if(NOT BUILD_ANDROID)
find_path(EGL_INCLUDE_DIR EGL/egl.h
PATHS /usr/openwin/share/include
/opt/graphics/OpenGL/include
/usr/X11R6/include
/usr/include
)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(OPENGLES2 DEFAULT_MSG OPENGLES2_LIBRARY OPENGLES2_INCLUDE_DIR)
find_library(EGL_LIBRARY
NAMES EGL
PATHS /opt/graphics/OpenGL/lib
/usr/openwin/lib
/usr/shlib
/usr/X11R6/lib
/usr/lib
)
find_path(EGL_INCLUDE_DIR EGL/egl.h
PATHS /usr/openwin/share/include
/opt/graphics/OpenGL/include
/usr/X11R6/include
/usr/include
)
# On Unix OpenGL usually requires X11.
# It doesn't require X11 on OSX.
find_library(EGL_LIBRARY
NAMES EGL
PATHS /opt/graphics/OpenGL/lib
/usr/openwin/lib
/usr/X11R6/lib
/usr/lib
)
if(OPENGLES2_LIBRARY)
if(NOT X11_FOUND)
include(FindX11)
endif()
if(X11_FOUND)
set(OPENGLES2_LIBRARIES ${X11_LIBRARIES})
endif()
endif()
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(EGL DEFAULT_MSG EGL_LIBRARY EGL_INCLUDE_DIR)
endif()
set(OPENGLES2_LIBRARIES ${OPENGLES2_LIBRARIES} ${OPENGLES2_LIBRARY})
if(BUILD_ANDROID)
if(OPENGLES2_LIBRARY)
set(EGL_LIBRARIES)
set(OPENGLES2_FOUND TRUE)
endif()
else()
if(OPENGLES2_LIBRARY AND EGL_LIBRARY)
set(OPENGLES2_LIBRARIES ${OPENGLES2_LIBRARY} ${OPENGLES2_LIBRARIES})
set(EGL_LIBRARIES ${EGL_LIBRARY} ${EGL_LIBRARIES})
set(OPENGLES2_FOUND TRUE)
endif()
endif()
set(OPENGLES2_LIBRARIES ${OPENGLES2_LIBRARY})
set(EGL_LIBRARIES ${EGL_LIBRARY})
mark_as_advanced(
OPENGLES2_INCLUDE_DIR
@ -103,10 +72,3 @@ mark_as_advanced(
EGL_INCLUDE_DIR
EGL_LIBRARY
)
if(OPENGLES2_FOUND)
message(STATUS "Found system OpenGL ES 2 library: ${OPENGLES2_LIBRARIES}")
else()
set(OPENGLES2_LIBRARIES "")
endif()