mirror of
https://github.com/glfw/glfw.git
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Seperate Context from Window in CMakeLists, add option to build for EGL
This commit is contained in:
Cloudef
Jari Vetoniemi
parent
7fb251c626
commit
1327c124a4
@ -12,8 +12,14 @@ set(GLFW_VERSION_FULL "${GLFW_VERSION}.${GLFW_VERSION_PATCH}${GLFW_VERSION_EXTRA
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option(GLFW_BUILD_EXAMPLES "Build the GLFW example programs" ON)
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option(GLFW_BUILD_TESTS "Build the GLFW test programs" ON)
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option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
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option(GLFW_USE_EGL "Build for EGL and OpenGL ES platform (Currently only X11)" OFF)
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find_package(OpenGL REQUIRED)
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if (GLFW_USE_EGL)
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SET(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/CMake/modules)
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find_package(EGL REQUIRED)
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else()
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find_package(OpenGL REQUIRED)
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endif()
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#--------------------------------------------------------------------
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# Enable all warnings on GCC, regardless of OS
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@ -39,8 +45,14 @@ elseif (UNIX AND APPLE)
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set(_GLFW_COCOA_NSGL 1)
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message(STATUS "Building GLFW for Cocoa and NSOpenGL on Mac OS X")
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elseif (UNIX AND NOT APPLE)
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set(_GLFW_X11_GLX 1)
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message(STATUS "Building GLFW for X11 and GLX on a Unix-like system")
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set(_GLFW_X11 1)
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if (GLFW_USE_EGL)
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set(_GLFW_X11_EGL 1)
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message(STATUS "Building GLFW for X11 and EGL on a Unix-like system")
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else()
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set(_GLFW_X11_GLX 1)
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message(STATUS "Building GLFW for X11 and GLX on a Unix-like system")
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endif()
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else()
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message(FATAL_ERROR "No supported platform was detected")
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endif()
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@ -62,20 +74,18 @@ if (_GLFW_WIN32_WGL)
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endif()
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#--------------------------------------------------------------------
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# Set up GLFW for Xlib and GLX on Unix-like systems with X Windows
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# Set up GLFW for Xlib and GLX or EGL on Unix-like systems with X Windows
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#--------------------------------------------------------------------
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if (_GLFW_X11_GLX)
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if (_GLFW_X11)
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find_package(X11 REQUIRED)
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# Set up library and include paths
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list(APPEND glfw_INCLUDE_DIRS ${X11_X11_INCLUDE_PATH} ${OPENGL_INCLUDE_DIR})
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list(APPEND glfw_LIBRARIES ${X11_X11_LIB} ${OPENGL_gl_LIBRARY})
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set(GLFW_PKG_DEPS "gl x11")
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set(GLFW_PKG_LIBS "")
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set(GLFW_PKG_DEPS "x11")
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include(CheckFunctionExists)
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# Set up library and include paths
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list(APPEND glfw_INCLUDE_DIRS ${X11_X11_INCLUDE_PATH})
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list(APPEND glfw_LIBRARIES ${X11_X11_LIB})
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# Check for XRandR (modern resolution switching extension)
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if (X11_Xrandr_FOUND)
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@ -121,6 +131,25 @@ if (_GLFW_X11_GLX)
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set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} -lm")
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endif()
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if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
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set(_GLFW_USE_LINUX_JOYSTICKS 1)
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endif()
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endif()
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#--------------------------------------------------------------------
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# GLX Context
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#--------------------------------------------------------------------
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if (_GLFW_X11_GLX)
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# Set up library and include paths
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list(APPEND glfw_INCLUDE_DIRS${OPENGL_INCLUDE_DIR})
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list(APPEND glfw_LIBRARIES ${OPENGL_gl_LIBRARY})
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set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} gl")
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include(CheckFunctionExists)
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set(CMAKE_REQUIRED_LIBRARIES ${OPENGL_gl_LIBRARY})
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check_function_exists(glXGetProcAddress _GLFW_HAS_GLXGETPROCADDRESS)
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@ -160,9 +189,50 @@ if (_GLFW_X11_GLX)
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endif()
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endif()
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if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
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set(_GLFW_USE_LINUX_JOYSTICKS 1)
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endif()
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#--------------------------------------------------------------------
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# EGL Context
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#--------------------------------------------------------------------
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if (_GLFW_X11_EGL)
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# Set up library and include paths
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list(APPEND glfw_INCLUDE_DIRS${EGL_INCLUDE_DIR})
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list(APPEND glfw_LIBRARIES ${EGL_LIBRARY})
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set(GLFW_PKG_DEPS "${GLFW_PKG_DEPS} egl")
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include(CheckFunctionExists)
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set(CMAKE_REQUIRED_LIBRARIES ${EGL_LIBRARY})
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check_function_exists(eglGetProcAddress _GLFW_HAS_EGLGETPROCADDRESS)
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if (NOT _GLFW_HAS_EGLGETPROCADDRESS)
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message(WARNING "No eglGetProcAddress found")
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# Check for dlopen support as a fallback
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find_library(DL_LIBRARY dl)
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mark_as_advanced(DL_LIBRARY)
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if (DL_LIBRARY)
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set(CMAKE_REQUIRED_LIBRARIES ${DL_LIBRARY})
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else()
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set(CMAKE_REQUIRED_LIBRARIES "")
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endif()
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check_function_exists(dlopen _GLFW_HAS_DLOPEN)
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if (NOT _GLFW_HAS_DLOPEN)
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message(FATAL_ERROR "No entry point retrieval mechanism found")
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endif()
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if (DL_LIBRARY)
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list(APPEND glfw_LIBRARIES ${DL_LIBRARY})
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set(GLFW_PKG_LIBS "${GLFW_PKG_LIBS} -ldl")
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endif()
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endif()
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endif()
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#--------------------------------------------------------------------
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@ -25,6 +25,11 @@ elseif (_GLFW_X11_GLX)
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set(glfw_SOURCES ${common_SOURCES} x11_clipboard.c x11_fullscreen.c
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x11_gamma.c x11_init.c x11_input.c x11_joystick.c
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x11_keysym2unicode.c x11_opengl.c x11_time.c x11_window.c)
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elseif (_GLFW_X11_EGL)
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set(glfw_HEADERS ${common_HEADERS} x11_egl_platform.h)
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set(glfw_SOURCES ${common_SOURCES} x11_clipboard.c
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x11_gamma.c x11_init.c x11_input.c x11_joystick.c
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x11_keysym2unicode.c x11_egl_opengl.c x11_time.c x11_window.c)
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endif()
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add_library(glfw ${glfw_SOURCES} ${glfw_HEADERS})
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