78 lines
2.5 KiB
CMake
78 lines
2.5 KiB
CMake
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# FindDRI support
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# Check for existance of glxinfo application
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# Check for existance of support for pyopengl
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MESSAGE(STATUS "Looking for display capabilities")
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IF ((DEFINED FORCE_GRAPHIC_TESTS_COMPILATION) AND (${FORCE_GRAPHIC_TESTS_COMPILATION}))
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SET (VALID_DISPLAY TRUE)
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SET (VALID_DRI_DISPLAY TRUE)
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MESSAGE(STATUS " + Force requested. All capabilities on without checking")
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RETURN()
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ENDIF()
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SET (VALID_DISPLAY FALSE)
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SET (VALID_DRI_DISPLAY FALSE)
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SET (CHECKER_ERROR "(no glxinfo or pyopengl)")
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IF((DEFINED ENV{DISPLAY}) AND NOT ("$ENV{DISPLAY}" STREQUAL ""))
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EXECUTE_PROCESS(
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COMMAND xwininfo -root
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RESULT_VARIABLE DISPLAY_FAIL_RESULT
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ERROR_QUIET
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OUTPUT_QUIET)
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IF (NOT DISPLAY_FAIL_RESULT)
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MESSAGE(STATUS " + found a display available ($DISPLAY is set)")
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SET (VALID_DISPLAY TRUE)
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# Continue check for DRI support in the display
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# Try to run glxinfo. If not found, variable will be empty
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FIND_PROGRAM(GLXINFO glxinfo)
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# If not display found, it will throw an error
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# Another grep pattern: "direct rendering:[[:space:]]*Yes[[:space:]]*"
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IF (GLXINFO)
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EXECUTE_PROCESS(
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COMMAND glxinfo
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COMMAND grep "direct rendering:[[:space:]]*Yes[[:space:]]*"
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ERROR_QUIET
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OUTPUT_VARIABLE GLX)
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IF (GLX)
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MESSAGE(STATUS " + found a valid dri display (glxinfo)")
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SET (VALID_DRI_DISPLAY TRUE)
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ELSE()
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SET (CHECKER_ERROR "using glxinfo")
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ENDIF ()
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ELSE ()
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EXECUTE_PROCESS(
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# RESULT_VARIABLE is store in a FAIL variable since the command
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# returns 0 if ok and 1 if error (inverse than cmake IF)
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COMMAND ${PROJECT_SOURCE_DIR}/tools/gl-test.py
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RESULT_VARIABLE GL_FAIL_RESULT
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ERROR_VARIABLE GL_ERROR
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OUTPUT_QUIET)
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IF (NOT GL_FAIL_RESULT)
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MESSAGE(STATUS " + found a valid dri display (pyopengl)")
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SET (VALID_DRI_DISPLAY TRUE)
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ELSE()
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# Check error string: no python module means no pyopengl
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STRING(FIND ${GL_ERROR}
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"ImportError: No module named OpenGL.GLUT" ERROR_POS)
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# -1 will imply pyopengl is present but real DRI test fails
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IF ("${ERROR_POS}" STREQUAL "-1")
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SET (CHECKER_ERROR "using pyopengl")
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ENDIF ()
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ENDIF ()
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ENDIF ()
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ENDIF ()
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ENDIF ()
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IF (NOT VALID_DISPLAY)
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MESSAGE(STATUS " ! valid display not found")
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ENDIF ()
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IF (NOT VALID_DRI_DISPLAY)
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MESSAGE(STATUS " ! valid dri display not found ${CHECKER_ERROR}")
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ENDIF ()
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