mirror of https://github.com/encounter/SDL.git
CMake: Generic check for desktop GL and EGL on Linux systems
This commit is contained in:
Nicolas Caramelli
Sam Lantinga
parent
fd121b5ec0
commit
6a2af48ad7
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@ -1202,14 +1202,14 @@ elseif(UNIX AND NOT APPLE AND NOT ANDROID AND NOT RISCOS)
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CheckRPI()
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CheckX11()
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CheckDirectFB()
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CheckOpenGLX11()
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CheckOpenGLESX11()
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# Need to check for EGL first because KMSDRM and Wayland depends on it.
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CheckEGL()
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CheckKMSDRM()
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CheckGLX()
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CheckOpenGL()
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CheckOpenGLES()
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CheckWayland()
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CheckVivante()
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# Need to check EGL before checking KMSDRM because KMSDRM depends on it.
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CheckEGLKMSDRM()
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CheckKMSDRM()
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CheckOpenGLKMSDRM()
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endif()
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if(UNIX)
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@ -593,6 +593,10 @@ macro(CheckX11)
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set(CMAKE_REQUIRED_LIBRARIES)
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endif()
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endif()
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if(NOT HAVE_VIDEO_X11)
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# Prevent Mesa from including X11 headers
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list(APPEND EXTRA_CFLAGS "-DMESA_EGL_NO_X11_HEADERS -DEGL_NO_X11")
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endif()
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endmacro()
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macro(WaylandProtocolGen _SCANNER _CODE_MODE _XML _PROTL)
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@ -627,7 +631,7 @@ macro(CheckWayland)
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pkg_check_modules(WAYLAND wayland-client wayland-scanner wayland-egl wayland-cursor egl xkbcommon)
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pkg_check_modules(WAYLAND_SCANNER_1_15 "wayland-scanner>=1.15")
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if(WAYLAND_FOUND)
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if(WAYLAND_FOUND AND HAVE_VIDEO_OPENGL_EGL)
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execute_process(
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COMMAND ${PKG_CONFIG_EXECUTABLE} --variable=wayland_scanner wayland-scanner
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WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"
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@ -778,15 +782,47 @@ macro(CheckVivante)
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endmacro(CheckVivante)
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# Requires:
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# - libglvnd
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macro(CheckOpenGLKMSDRM)
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if(VIDEO_OPENGL AND HAVE_VIDEO_KMSDRM)
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# - nada
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macro(CheckGLX)
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if(VIDEO_OPENGL)
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check_c_source_compiles("
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#include <GL/glx.h>
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int main(int argc, char** argv) {}" HAVE_VIDEO_OPENGL_GLX)
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if(HAVE_VIDEO_OPENGL_GLX)
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set(SDL_VIDEO_OPENGL_GLX 1)
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endif()
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endif()
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endmacro()
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# Requires:
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# - PkgCheckModules
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macro(CheckEGL)
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if (VIDEO_OPENGL OR VIDEO_OPENGLES)
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pkg_check_modules(EGL egl)
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string(REPLACE "-D_THREAD_SAFE;" "-D_THREAD_SAFE=1;" EGL_CFLAGS "${EGL_CFLAGS}")
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set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${EGL_CFLAGS}")
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check_c_source_compiles("
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#define EGL_API_FB
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#define MESA_EGL_NO_X11_HEADERS
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#define EGL_NO_X11
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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int main (int argc, char** argv) {}" HAVE_VIDEO_OPENGL_EGL)
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if(HAVE_VIDEO_OPENGL_EGL)
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set(SDL_VIDEO_OPENGL_EGL 1)
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endif()
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endif()
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endmacro()
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# Requires:
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# - nada
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macro(CheckOpenGL)
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if(VIDEO_OPENGL)
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check_c_source_compiles("
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#include <GL/gl.h>
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#include <GL/glext.h>
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int main(int argc, char** argv) {}" HAVE_VIDEO_OPENGL)
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if(HAVE_VIDEO_OPENGL)
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set(HAVE_VIDEO_OPENGL TRUE)
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set(SDL_VIDEO_OPENGL 1)
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set(SDL_VIDEO_RENDER_OGL 1)
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endif()
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@ -795,80 +831,26 @@ endmacro()
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# Requires:
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# - nada
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macro(CheckOpenGLX11)
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if(VIDEO_OPENGL)
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check_c_source_compiles("
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#include <GL/gl.h>
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#include <GL/glx.h>
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int main(int argc, char** argv) {}" HAVE_VIDEO_OPENGL)
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if(HAVE_VIDEO_OPENGL)
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set(HAVE_VIDEO_OPENGL TRUE)
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set(SDL_VIDEO_OPENGL 1)
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set(SDL_VIDEO_OPENGL_GLX 1)
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set(SDL_VIDEO_RENDER_OGL 1)
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endif()
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endif()
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endmacro()
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# Requires:
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# - PkgCheckModules
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macro(CheckEGL)
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pkg_check_modules(EGL egl)
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string(REPLACE "-D_THREAD_SAFE;" "-D_THREAD_SAFE=1;" EGL_CFLAGS "${EGL_CFLAGS}")
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endmacro()
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# Requires:
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# - PkgCheckModules
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macro(CheckEGLKMSDRM)
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if (HAVE_VIDEO_OPENGLES OR HAVE_VIDEO_OPENGL)
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CheckEGL()
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set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${EGL_CFLAGS}")
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check_c_source_compiles("
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#define EGL_API_FB
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#define MESA_EGL_NO_X11_HEADERS
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#define EGL_NO_X11
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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int main (int argc, char** argv) {}" HAVE_VIDEO_OPENGL_EGL)
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if(HAVE_VIDEO_OPENGL_EGL)
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set(SDL_VIDEO_OPENGL_EGL 1)
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endif()
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endif()
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endmacro()
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# Requires:
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# - PkgCheckModules
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macro(CheckOpenGLESX11)
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CheckEGL()
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set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${EGL_CFLAGS}")
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macro(CheckOpenGLES)
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if(VIDEO_OPENGLES)
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check_c_source_compiles("
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#define EGL_API_FB
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#include <EGL/egl.h>
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int main (int argc, char** argv) {}" HAVE_VIDEO_OPENGL_EGL)
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if(HAVE_VIDEO_OPENGL_EGL)
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set(SDL_VIDEO_OPENGL_EGL 1)
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endif()
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check_c_source_compiles("
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#include <GLES/gl.h>
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#include <GLES/glext.h>
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int main (int argc, char** argv) {}" HAVE_VIDEO_OPENGLES_V1)
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#include <GLES/gl.h>
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#include <GLES/glext.h>
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int main (int argc, char** argv) {}" HAVE_VIDEO_OPENGLES_V1)
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if(HAVE_VIDEO_OPENGLES_V1)
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set(HAVE_VIDEO_OPENGLES TRUE)
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set(SDL_VIDEO_OPENGL_ES 1)
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set(SDL_VIDEO_RENDER_OGL_ES 1)
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endif()
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check_c_source_compiles("
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#include <GLES2/gl2.h>
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#include <GLES2/gl2ext.h>
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int main (int argc, char** argv) {}" HAVE_VIDEO_OPENGLES_V2)
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#include <GLES2/gl2.h>
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#include <GLES2/gl2ext.h>
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int main (int argc, char** argv) {}" HAVE_VIDEO_OPENGLES_V2)
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if(HAVE_VIDEO_OPENGLES_V2)
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set(HAVE_VIDEO_OPENGLES TRUE)
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set(SDL_VIDEO_OPENGL_ES2 1)
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set(SDL_VIDEO_RENDER_OGL_ES2 1)
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endif()
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endif()
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endmacro()
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