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https://github.com/luanti-org/luanti.git
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113 lines
2.8 KiB
CMake
113 lines
2.8 KiB
CMake
#-------------------------------------------------------------------
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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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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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/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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/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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/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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/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(OPENGLES2_LIBRARIES ${OPENGLES2_LIBRARY} ${OPENGLES2_LIBRARIES})
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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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