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opengl.cmake
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opengl.cmake
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#
# Searches for OpenGL package
# Sets variable OPENGL_LIBRARIES to the list of GL and GLU libraries
#
if(!ANDROID)
set(OpenGL_GL_PREFERENCE GLVND)
find_package(OpenGL)
if(OPENGL_FOUND)
include_directories(${OPENGL_INCLUDE_DIR})
else()
if(WIN32)
list(APPEND OPENGL_LIBRARIES opengl32)
else()
list(APPEND OPENGL_LIBRARIES GL)
endif()
endif()
if(OPENGL_GLU_FOUND)
include_directories(${GLU_INCLUDE_DIR})
else()
if(WIN32)
list(APPEND OPENGL_LIBRARIES glu32)
else()
list(APPEND OPENGL_LIBRARIES GLU)
endif()
endif()
if(WIN32)
# freeglut uses some timer functions defined in winmm
list(APPEND OPENGL_LIBRARIES winmm)
# Vorpaline's drag and drop support in freeglut requires shell32
list(APPEND OPENGL_LIBRARIES shell32)
elseif(APPLE)
# Nothing special to use OpenGL and Vorpaline on APPLE
else()
find_package(X11)
list(APPEND OPENGL_LIBRARIES X11)
# GLAD needs the dynamic linker to query symbols in OpenGL lib
list(APPEND OPENGL_LIBRARIES dl)
# GLFW needs these ones
list(APPEND OPENGL_LIBRARIES Xxf86vm Xrandr Xcursor Xinerama Xi)
endif()
# Emscripten has buitin OpenGL and GLFW support.
if(GEOGRAM_WITH_EMSCRIPTEN)
set(OPENGL_LIBRARIES "")
set(GLFW_LIBRARIES "")
else()
set(GLFW_LIBRARIES glfw ${OPENGL_LIBRARIES})
endif()
endif()