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160 lines
5.0 KiB
160 lines
5.0 KiB
# - Try to find OpenGL
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# Once done this will define
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#
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# OPENGL_FOUND - system has OpenGL
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# OPENGL_XMESA_FOUND - system has XMESA
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# OPENGL_GLU_FOUND - system has GLU
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# OPENGL_INCLUDE_DIR - the GL include directory
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# OPENGL_LIBRARIES - Link these to use OpenGL and GLU
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#
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# If you want to use just GL you can use these values
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# OPENGL_gl_LIBRARY - Path to OpenGL Library
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# OPENGL_glu_LIBRARY - Path to GLU Library
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#
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# On OSX default to using the framework version of opengl
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# People will have to change the cache values of OPENGL_glu_LIBRARY
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# and OPENGL_gl_LIBRARY to use OpenGL with X11 on OSX
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#=============================================================================
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# Copyright 2001-2009 Kitware, Inc.
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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IF (WIN32)
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IF (CYGWIN)
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FIND_PATH(OPENGL_INCLUDE_DIR GL/gl.h )
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FIND_LIBRARY(OPENGL_gl_LIBRARY opengl32 )
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FIND_LIBRARY(OPENGL_glu_LIBRARY glu32 )
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ELSE (CYGWIN)
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IF(BORLAND)
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SET (OPENGL_gl_LIBRARY import32 CACHE STRING "OpenGL library for win32")
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SET (OPENGL_glu_LIBRARY import32 CACHE STRING "GLU library for win32")
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ELSE(BORLAND)
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SET (OPENGL_gl_LIBRARY opengl32 CACHE STRING "OpenGL library for win32")
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SET (OPENGL_glu_LIBRARY glu32 CACHE STRING "GLU library for win32")
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ENDIF(BORLAND)
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ENDIF (CYGWIN)
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ELSE (WIN32)
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IF (APPLE)
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FIND_LIBRARY(OPENGL_gl_LIBRARY OpenGL DOC "OpenGL lib for OSX")
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FIND_LIBRARY(OPENGL_glu_LIBRARY AGL DOC "AGL lib for OSX")
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FIND_PATH(OPENGL_INCLUDE_DIR OpenGL/gl.h DOC "Include for OpenGL on OSX")
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ELSE(APPLE)
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# Handle HP-UX cases where we only want to find OpenGL in either hpux64
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# or hpux32 depending on if we're doing a 64 bit build.
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IF(CMAKE_SIZEOF_VOID_P EQUAL 4)
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SET(HPUX_IA_OPENGL_LIB_PATH /opt/graphics/OpenGL/lib/hpux32/)
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ELSE(CMAKE_SIZEOF_VOID_P EQUAL 4)
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SET(HPUX_IA_OPENGL_LIB_PATH
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/opt/graphics/OpenGL/lib/hpux64/
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/opt/graphics/OpenGL/lib/pa20_64)
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ENDIF(CMAKE_SIZEOF_VOID_P EQUAL 4)
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# The first line below is to make sure that the proper headers
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# are used on a Linux machine with the NVidia drivers installed.
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# They replace Mesa with NVidia's own library but normally do not
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# install headers and that causes the linking to
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# fail since the compiler finds the Mesa headers but NVidia's library.
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# Make sure the NVIDIA directory comes BEFORE the others.
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# - Atanas Georgiev <atanas@cs.columbia.edu>
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FIND_PATH(OPENGL_INCLUDE_DIR GL/gl.h
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/usr/share/doc/NVIDIA_GLX-1.0/include
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/usr/openwin/share/include
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/opt/graphics/OpenGL/include /usr/X11R6/include
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)
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FIND_PATH(OPENGL_xmesa_INCLUDE_DIR GL/xmesa.h
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/usr/share/doc/NVIDIA_GLX-1.0/include
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/usr/openwin/share/include
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/opt/graphics/OpenGL/include /usr/X11R6/include
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)
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FIND_LIBRARY(OPENGL_gl_LIBRARY
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NAMES GL MesaGL
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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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${HPUX_IA_OPENGL_LIB_PATH}
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)
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# On Unix OpenGL most certainly always requires X11.
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# Feel free to tighten up these conditions if you don't
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# think this is always true.
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# It's not true on OSX.
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IF (OPENGL_gl_LIBRARY)
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IF(NOT X11_FOUND)
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INCLUDE(FindX11)
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ENDIF(NOT X11_FOUND)
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IF (X11_FOUND)
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IF (NOT APPLE)
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SET (OPENGL_LIBRARIES ${X11_LIBRARIES})
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ENDIF (NOT APPLE)
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ENDIF (X11_FOUND)
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ENDIF (OPENGL_gl_LIBRARY)
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FIND_LIBRARY(OPENGL_glu_LIBRARY
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NAMES GLU MesaGLU
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PATHS ${OPENGL_gl_LIBRARY}
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/opt/graphics/OpenGL/lib
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/usr/openwin/lib
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/usr/shlib /usr/X11R6/lib
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)
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ENDIF(APPLE)
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ENDIF (WIN32)
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SET( OPENGL_FOUND "NO" )
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IF(OPENGL_gl_LIBRARY)
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IF(OPENGL_xmesa_INCLUDE_DIR)
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SET( OPENGL_XMESA_FOUND "YES" )
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ELSE(OPENGL_xmesa_INCLUDE_DIR)
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SET( OPENGL_XMESA_FOUND "NO" )
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ENDIF(OPENGL_xmesa_INCLUDE_DIR)
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SET( OPENGL_LIBRARIES ${OPENGL_gl_LIBRARY} ${OPENGL_LIBRARIES})
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IF(OPENGL_glu_LIBRARY)
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SET( OPENGL_GLU_FOUND "YES" )
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SET( OPENGL_LIBRARIES ${OPENGL_glu_LIBRARY} ${OPENGL_LIBRARIES} )
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ELSE(OPENGL_glu_LIBRARY)
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SET( OPENGL_GLU_FOUND "NO" )
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ENDIF(OPENGL_glu_LIBRARY)
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SET( OPENGL_FOUND "YES" )
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# This deprecated setting is for backward compatibility with CMake1.4
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SET (OPENGL_LIBRARY ${OPENGL_LIBRARIES})
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ENDIF(OPENGL_gl_LIBRARY)
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# This deprecated setting is for backward compatibility with CMake1.4
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SET(OPENGL_INCLUDE_PATH ${OPENGL_INCLUDE_DIR})
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MARK_AS_ADVANCED(
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OPENGL_INCLUDE_DIR
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OPENGL_xmesa_INCLUDE_DIR
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OPENGL_glu_LIBRARY
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OPENGL_gl_LIBRARY
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)
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