CMake: Configure: Add cross-platform (openGL) Nvidia Cg support.
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# Filename: FindCg.cmake
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#
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# Usage:
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# find_package(Cg [REQUIRED] [QUIET])
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#
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# It sets the following variables:
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# FOUND_CG - system has NvidiaCg
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# CG_IPATH - the NvidiaCg include directory
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# CG_LPATH - the NvidiaCg library directory
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# CG_LIBS - the Cg components found
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#
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# FOUND_CGGL - system has CgGL
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# CGGL_IPATH - the CgGL include directory
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# CGGL_LPATH - the CgGL library directory
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# CGGL_LIBS - the CgGL components found
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#
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### Define macros to find each sublibrary ###
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# Find Cg for OpenGL
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macro(find_cggl)
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if(CGGL_LPATH AND CGGL_IPATH)
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# If its cached, we don't need to refind it
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set(FOUND_CGGL TRUE)
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if(WIN32)
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set(CGGL_LIBS cgGL.lib)
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else()
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set(CGGL_LIBS CgGL)
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endif()
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else()
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# Find the include directory
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find_path(CGGL_IPATH
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NAMES "cgGL.h"
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PATHS "C:/Program Files/Cg"
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"C:/Program Files/NVIDIA Corporation/Cg/include"
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"/usr/include"
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"/usr/local/include"
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"/opt/Cg"
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"/opt/nvidia-cg-toolkit/include" # Gentoo
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PATH_SUFFIXES "" "Cg"
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DOC "The path to NvidiaCg's include directory."
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)
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# Find the library directory
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find_library(CGGL_LIBRARY
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NAMES "CgGL" "libCgGL"
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PATHS "C:/Program Files/Cg"
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"C:/Program Files/NVIDIA Corporation/Cg"
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"/usr"
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"/usr/local"
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"/opt/Cg"
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"/opt/nvidia-cg-toolkit" # Gentoo
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PATH_SUFFIXES "" "lib" "lib32" "lib64"
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)
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get_filename_component(CGGL_LIBRARY_DIR "${CGGL_LIBRARY}" PATH)
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set(CGGL_LPATH "${CGGL_LIBRARY_DIR}" CACHE PATH "The path to the CgGL library directory.") # Library path
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unset(CGGL_LIBRARY_DIR)
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unset(CGGL_LIBRARY CACHE)
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# Check if we have everything we need
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if(CGGL_IPATH AND CGGL_LPATH)
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set(CGGL_FOUND TRUE)
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if(WIN32)
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set(CGGL_LIBS cgGL.lib)
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else()
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set(CGGL_LIBS CgGL)
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endif()
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endif()
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mark_as_advanced(CGGL_IPATH)
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mark_as_advanced(CGGL_LPATH)
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endif()
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endmacro()
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# Find Cg for DirectX 8
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macro(find_cgdx8)
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endmacro()
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# Find Cg for DirectX 9
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macro(find_cgdx9)
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endmacro()
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# Find Cg for DirectX 10
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macro(find_cgdx10)
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endmacro()
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# Find base Nvidia Cg
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if(CG_LPATH AND CG_IPATH)
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# If its cached, we don't need to refind it
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set(FOUND_CG TRUE)
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if(WIN32)
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set(CG_LIBS cg.lib)
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else()
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set(CG_LIBS Cg)
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endif()
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find_cggl()
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find_cgdx8()
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find_cgdx9()
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find_cgdx10()
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else()
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# On OSX default to using the framework version of Cg.
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if(APPLE)
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include(${CMAKE_ROOT}/Modules/CMakeFindFrameworks.cmake)
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set(CG_INCLUDES)
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cmake_find_frameworks(Cg)
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if(Cg_FRAMEWORKS)
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foreach(dir ${Cg_FRAMEWORKS})
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set(CG_INCLUDES ${CG_INCLUDES} ${dir}/Headers ${dir}/PrivateHeaders)
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endforeach(dir)
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unset(Cg_FRAMEWORKS)
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# Find the include dir
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find_path(CG_IPATH
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NAMES "cg.h"
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PATHS ${CG_INCLUDES}
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DOC "The path to NvidiaCg's include directory."
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)
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unset(CG_INCLUDES)
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# Set the library dir (TODO: Check the correctness on Mac OS X)
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set(CG_LPATH "/Library/Frameworks/Cg.framework" CACHE PATH "The path to NvidiaCg's library directory.")
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endif()
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else()
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# Find the include directory
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find_path(CG_IPATH
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NAMES "cg.h"
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PATHS "C:/Program Files/Cg"
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"C:/Program Files/NVIDIA Corporation/Cg/include"
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"/usr/include"
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"/usr/local/include"
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"/opt/Cg"
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"/opt/nvidia-cg-toolkit/include" # Gentoo
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PATH_SUFFIXES "" "Cg"
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DOC "The path to NvidiaCg's include directory."
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)
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# Find the library directory
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find_library(CG_LIBRARY
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NAMES "Cg" "libCg"
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PATHS "C:/Program Files/Cg"
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"C:/Program Files/NVIDIA Corporation/Cg"
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"/usr"
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"/usr/local"
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"/opt/Cg"
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"/opt/nvidia-cg-toolkit" # Gentoo
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PATH_SUFFIXES "" "lib" "lib32" "lib64"
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)
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get_filename_component(CG_LIBRARY_DIR "${CG_LIBRARY}" PATH)
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set(CG_LPATH "${CG_LIBRARY_DIR}" CACHE PATH "The path to NvidiaCG's library directory.") # Library path
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unset(CG_LIBRARY_DIR)
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unset(CG_LIBRARY CACHE)
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endif()
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# Check if we have everything we need
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if(CG_IPATH AND CG_LPATH)
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set(CG_FOUND TRUE)
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if(WIN32)
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set(CG_LIBS cg.lib)
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else()
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set(CG_LIBS Cg)
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endif()
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find_cggl()
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find_cgdx8()
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find_cgdx9()
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find_cgdx10()
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endif()
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mark_as_advanced(CG_IPATH)
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mark_as_advanced(CG_LPATH)
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endif()
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@ -62,66 +62,16 @@ config_package(FFTW COMMENT "fftw")
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find_package(Squish)
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config_package(SQUISH COMMENT "squish")
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# Find and configure Cg library
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find_package(Cg)
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config_package(CG COMMENT "Nvidia Cg Shading Langauge")
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config_package(CGGL COMMENT "Cg OpenGL API")
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config_package(CGDX8 COMMENT "Cg DX8 API")
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config_package(CGDX9 COMMENT "Cg DX9 API")
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config_package(CGDX10 COMMENT "Cg DX10 API")
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if(FOUND_CG)
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set(USE_CG TRUE CACHE BOOL "If true, compile Panda3D with Nvidia Cg")
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if(USE_CG)
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set(HAVE_CG TRUE)
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endif()
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endif()
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if(HAVE_CG)
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message(STATUS "+ Nvidia Cg High Level Shading Language")
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else()
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message(STATUS "- Did not find Nvidia Cg High Level Shading Language")
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endif()
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if(FOUND_CGGL)
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set(USE_CGGL TRUE CACHE BOOL "If true, compile Panda3D with Cg OpenGL API")
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if(USE_CGGL)
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set(HAVE_CGGL TRUE)
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endif()
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endif()
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if(HAVE_CGGL)
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message(STATUS "+ Cg OpenGL API")
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else()
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message(STATUS "- Did not find Cg OpenGL API")
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endif()
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if(FOUND_CGDX8)
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set(USE_CGDX8 TRUE CACHE BOOL "If true, compile Panda3D with Cg DX8 API")
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if(USE_CGDX8)
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set(HAVE_CGDX8 TRUE)
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endif()
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endif()
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if(HAVE_CGDX8)
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message(STATUS "+ Cg DX8 API")
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else()
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message(STATUS "- Did not find Cg DX8 API")
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endif()
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if(FOUND_CGDX9)
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set(USE_CGDX9 TRUE CACHE BOOL "If true, compile Panda3D with Cg DX9 API")
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if(USE_CGDX9)
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set(HAVE_CGDX9 TRUE)
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endif()
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endif()
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if(HAVE_CGDX9)
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message(STATUS "+ Cg DX9 API")
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else()
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message(STATUS "- Did not find Cg DX9 API")
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endif()
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if(FOUND_CGDX10)
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set(USE_CGDX10 TRUE CACHE BOOL "If true, compile Panda3D with Cg DX10 API")
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if(USE_CGDX10)
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set(HAVE_CGDX10 TRUE)
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endif()
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endif()
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if(HAVE_CGDX10)
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message(STATUS "+ Cg DX10 API")
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else()
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message(STATUS "- Did not find Cg DX10 API")
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endif()
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if(FOUND_VRPN)
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set(USE_VRPN TRUE CACHE BOOL "If true, compile Panda3D with VRPN")
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