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170
cmake/FindOpenGLES2.cmake
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170
cmake/FindOpenGLES2.cmake
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#-------------------------------------------------------------------
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# This file is stolen from part of the CMake build system for OGRE (Object-oriented Graphics Rendering Engine) http://www.ogre3d.org/
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#
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# The contents of this file are placed in the public domain. Feel
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# free to make use of it in any way you like.
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#-------------------------------------------------------------------
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# - Try to find OpenGLES and EGL
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# Once done this will define
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#
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# OPENGLES2_FOUND - system has OpenGLES
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# OPENGLES2_INCLUDE_DIR - the GL include directory
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# OPENGLES2_LIBRARIES - Link these to use OpenGLES
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#
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# EGL_FOUND - system has EGL
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# EGL_INCLUDE_DIR - the EGL include directory
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# EGL_LIBRARIES - Link these to use EGL
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# Win32, Apple, and Android are not tested!
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# Linux tested and works
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# Slightly customised framework finder
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macro(findpkg_framework fwk)
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if(APPLE)
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set(${fwk}_FRAMEWORK_PATH
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${${fwk}_FRAMEWORK_SEARCH_PATH}
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${CMAKE_FRAMEWORK_PATH}
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~/Library/Frameworks
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/Library/Frameworks
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/System/Library/Frameworks
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/Network/Library/Frameworks
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${CMAKE_CURRENT_SOURCE_DIR}/lib/macosx/Release
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${CMAKE_CURRENT_SOURCE_DIR}/lib/macosx/Debug
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)
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# These could be arrays of paths, add each individually to the search paths
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foreach(i ${OGRE_PREFIX_PATH})
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set(${fwk}_FRAMEWORK_PATH ${${fwk}_FRAMEWORK_PATH} ${i}/lib/macosx/Release ${i}/lib/macosx/Debug)
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endforeach(i)
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foreach(i ${OGRE_PREFIX_BUILD})
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set(${fwk}_FRAMEWORK_PATH ${${fwk}_FRAMEWORK_PATH} ${i}/lib/macosx/Release ${i}/lib/macosx/Debug)
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endforeach(i)
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foreach(dir ${${fwk}_FRAMEWORK_PATH})
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set(fwkpath ${dir}/${fwk}.framework)
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if(EXISTS ${fwkpath})
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set(${fwk}_FRAMEWORK_INCLUDES ${${fwk}_FRAMEWORK_INCLUDES}
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${fwkpath}/Headers ${fwkpath}/PrivateHeaders)
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set(${fwk}_FRAMEWORK_PATH ${dir})
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if (NOT ${fwk}_LIBRARY_FWK)
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set(${fwk}_LIBRARY_FWK "-framework ${fwk}")
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endif ()
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endif(EXISTS ${fwkpath})
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endforeach(dir)
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endif(APPLE)
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endmacro(findpkg_framework)
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macro(create_search_paths PREFIX)
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foreach(dir ${${PREFIX}_PREFIX_PATH})
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set(${PREFIX}_INC_SEARCH_PATH ${${PREFIX}_INC_SEARCH_PATH}
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${dir}/include ${dir}/Include ${dir}/include/${PREFIX} ${dir}/Headers)
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set(${PREFIX}_LIB_SEARCH_PATH ${${PREFIX}_LIB_SEARCH_PATH}
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${dir}/lib ${dir}/Lib ${dir}/lib/${PREFIX} ${dir}/Libs)
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set(${PREFIX}_BIN_SEARCH_PATH ${${PREFIX}_BIN_SEARCH_PATH}
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${dir}/bin)
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endforeach(dir)
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if(ANDROID)
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set(${PREFIX}_LIB_SEARCH_PATH ${${PREFIX}_LIB_SEARCH_PATH} ${OGRE_DEPENDENCIES_DIR}/lib/${ANDROID_ABI})
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endif()
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set(${PREFIX}_FRAMEWORK_SEARCH_PATH ${${PREFIX}_PREFIX_PATH})
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endmacro(create_search_paths)
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if(WIN32)
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if(CYGWIN)
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find_path(OPENGLES2_INCLUDE_DIR GLES2/gl2.h)
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find_library(OPENGLES2_LIBRARY libGLESv2)
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else()
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if(BORLAND)
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set(OPENGLES2_LIBRARY import32 CACHE STRING "OpenGL ES 2.x library for Win32")
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else()
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# TODO
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# set(OPENGLES_LIBRARY ${SOURCE_DIR}/Dependencies/lib/release/libGLESv2.lib CACHE STRING "OpenGL ES 2.x library for win32"
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endif()
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endif()
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elseif(APPLE)
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create_search_paths(/Developer/Platforms)
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findpkg_framework(OpenGLES2)
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set(OPENGLES2_LIBRARY "-framework OpenGLES")
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else()
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find_path(OPENGLES2_INCLUDE_DIR GLES2/gl2.h
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PATHS /usr/openwin/share/include
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/opt/graphics/OpenGL/include
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/opt/vc/include
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/usr/X11R6/include
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/usr/include
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)
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find_library(OPENGLES2_LIBRARY
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NAMES GLESv2
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PATHS /opt/graphics/OpenGL/lib
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/usr/openwin/lib
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/usr/shlib /usr/X11R6/lib
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/opt/vc/lib
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/usr/lib/aarch64-linux-gnu
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/usr/lib/arm-linux-gnueabihf
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/usr/lib
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)
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if(NOT BUILD_ANDROID)
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find_path(EGL_INCLUDE_DIR EGL/egl.h
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PATHS /usr/openwin/share/include
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/opt/graphics/OpenGL/include
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/opt/vc/include
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/usr/X11R6/include
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/usr/include
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)
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find_library(EGL_LIBRARY
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NAMES EGL
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PATHS /opt/graphics/OpenGL/lib
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/usr/openwin/lib
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/usr/shlib
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/usr/X11R6/lib
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/opt/vc/lib
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/usr/lib/aarch64-linux-gnu
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/usr/lib/arm-linux-gnueabihf
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/usr/lib
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)
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# On Unix OpenGL usually requires X11.
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# It doesn't require X11 on OSX.
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if(OPENGLES2_LIBRARY)
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if(NOT X11_FOUND)
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include(FindX11)
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endif()
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if(X11_FOUND)
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set(OPENGLES2_LIBRARIES ${X11_LIBRARIES})
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endif()
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endif()
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endif()
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endif()
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set(OPENGLES2_LIBRARIES ${OPENGLES2_LIBRARIES} ${OPENGLES2_LIBRARY})
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if(BUILD_ANDROID)
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if(OPENGLES2_LIBRARY)
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set(EGL_LIBRARIES)
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set(OPENGLES2_FOUND TRUE)
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endif()
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else()
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if(OPENGLES2_LIBRARY AND EGL_LIBRARY)
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set(EGL_LIBRARIES ${EGL_LIBRARY} ${EGL_LIBRARIES})
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set(OPENGLES2_FOUND TRUE)
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endif()
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endif()
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mark_as_advanced(
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OPENGLES2_INCLUDE_DIR
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OPENGLES2_LIBRARY
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EGL_INCLUDE_DIR
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EGL_LIBRARY
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)
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if(OPENGLES2_FOUND)
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message(STATUS "Found system OpenGL ES 2 library: ${OPENGLES2_LIBRARIES}")
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else()
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set(OPENGLES2_LIBRARIES "")
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endif()
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