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libraries/source/glad/src/glx.cpp
| #include <stdio.h> | |||||
| #include <stdlib.h> | |||||
| #include <string.h> | |||||
| #include <glad/glx.h> | |||||
| #ifndef GLAD_IMPL_UTIL_C_ | |||||
| #define GLAD_IMPL_UTIL_C_ | |||||
| #ifdef _MSC_VER | |||||
| #define GLAD_IMPL_UTIL_SSCANF sscanf_s | |||||
| #else | |||||
| #define GLAD_IMPL_UTIL_SSCANF sscanf | |||||
| #endif | |||||
| #endif /* GLAD_IMPL_UTIL_C_ */ | |||||
| #ifdef __cplusplus | |||||
| extern "C" { | |||||
| #endif | |||||
| int GLAD_GLX_VERSION_1_0 = 0; | |||||
| int GLAD_GLX_VERSION_1_1 = 0; | |||||
| int GLAD_GLX_VERSION_1_2 = 0; | |||||
| int GLAD_GLX_VERSION_1_3 = 0; | |||||
| int GLAD_GLX_VERSION_1_4 = 0; | |||||
| int GLAD_GLX_MESA_query_renderer = 0; | |||||
| int GLAD_GLX_SGI_swap_control = 0; | |||||
| PFNGLXCHOOSEFBCONFIGPROC glad_glXChooseFBConfig = NULL; | |||||
| PFNGLXCHOOSEVISUALPROC glad_glXChooseVisual = NULL; | |||||
| PFNGLXCOPYCONTEXTPROC glad_glXCopyContext = NULL; | |||||
| PFNGLXCREATECONTEXTPROC glad_glXCreateContext = NULL; | |||||
| PFNGLXCREATEGLXPIXMAPPROC glad_glXCreateGLXPixmap = NULL; | |||||
| PFNGLXCREATENEWCONTEXTPROC glad_glXCreateNewContext = NULL; | |||||
| PFNGLXCREATEPBUFFERPROC glad_glXCreatePbuffer = NULL; | |||||
| PFNGLXCREATEPIXMAPPROC glad_glXCreatePixmap = NULL; | |||||
| PFNGLXCREATEWINDOWPROC glad_glXCreateWindow = NULL; | |||||
| PFNGLXDESTROYCONTEXTPROC glad_glXDestroyContext = NULL; | |||||
| PFNGLXDESTROYGLXPIXMAPPROC glad_glXDestroyGLXPixmap = NULL; | |||||
| PFNGLXDESTROYPBUFFERPROC glad_glXDestroyPbuffer = NULL; | |||||
| PFNGLXDESTROYPIXMAPPROC glad_glXDestroyPixmap = NULL; | |||||
| PFNGLXDESTROYWINDOWPROC glad_glXDestroyWindow = NULL; | |||||
| PFNGLXGETCLIENTSTRINGPROC glad_glXGetClientString = NULL; | |||||
| PFNGLXGETCONFIGPROC glad_glXGetConfig = NULL; | |||||
| PFNGLXGETCURRENTCONTEXTPROC glad_glXGetCurrentContext = NULL; | |||||
| PFNGLXGETCURRENTDISPLAYPROC glad_glXGetCurrentDisplay = NULL; | |||||
| PFNGLXGETCURRENTDRAWABLEPROC glad_glXGetCurrentDrawable = NULL; | |||||
| PFNGLXGETCURRENTREADDRAWABLEPROC glad_glXGetCurrentReadDrawable = NULL; | |||||
| PFNGLXGETFBCONFIGATTRIBPROC glad_glXGetFBConfigAttrib = NULL; | |||||
| PFNGLXGETFBCONFIGSPROC glad_glXGetFBConfigs = NULL; | |||||
| PFNGLXGETPROCADDRESSPROC glad_glXGetProcAddress = NULL; | |||||
| PFNGLXGETSELECTEDEVENTPROC glad_glXGetSelectedEvent = NULL; | |||||
| PFNGLXGETVISUALFROMFBCONFIGPROC glad_glXGetVisualFromFBConfig = NULL; | |||||
| PFNGLXISDIRECTPROC glad_glXIsDirect = NULL; | |||||
| PFNGLXMAKECONTEXTCURRENTPROC glad_glXMakeContextCurrent = NULL; | |||||
| PFNGLXMAKECURRENTPROC glad_glXMakeCurrent = NULL; | |||||
| PFNGLXQUERYCONTEXTPROC glad_glXQueryContext = NULL; | |||||
| PFNGLXQUERYCURRENTRENDERERINTEGERMESAPROC glad_glXQueryCurrentRendererIntegerMESA = NULL; | |||||
| PFNGLXQUERYCURRENTRENDERERSTRINGMESAPROC glad_glXQueryCurrentRendererStringMESA = NULL; | |||||
| PFNGLXQUERYDRAWABLEPROC glad_glXQueryDrawable = NULL; | |||||
| PFNGLXQUERYEXTENSIONPROC glad_glXQueryExtension = NULL; | |||||
| PFNGLXQUERYEXTENSIONSSTRINGPROC glad_glXQueryExtensionsString = NULL; | |||||
| PFNGLXQUERYRENDERERINTEGERMESAPROC glad_glXQueryRendererIntegerMESA = NULL; | |||||
| PFNGLXQUERYRENDERERSTRINGMESAPROC glad_glXQueryRendererStringMESA = NULL; | |||||
| PFNGLXQUERYSERVERSTRINGPROC glad_glXQueryServerString = NULL; | |||||
| PFNGLXQUERYVERSIONPROC glad_glXQueryVersion = NULL; | |||||
| PFNGLXSELECTEVENTPROC glad_glXSelectEvent = NULL; | |||||
| PFNGLXSWAPBUFFERSPROC glad_glXSwapBuffers = NULL; | |||||
| PFNGLXSWAPINTERVALSGIPROC glad_glXSwapIntervalSGI = NULL; | |||||
| PFNGLXUSEXFONTPROC glad_glXUseXFont = NULL; | |||||
| PFNGLXWAITGLPROC glad_glXWaitGL = NULL; | |||||
| PFNGLXWAITXPROC glad_glXWaitX = NULL; | |||||
| static void glad_glx_load_GLX_VERSION_1_0( GLADuserptrloadfunc load, void* userptr) { | |||||
| if(!GLAD_GLX_VERSION_1_0) return; | |||||
| glad_glXChooseVisual = (PFNGLXCHOOSEVISUALPROC) load(userptr, "glXChooseVisual"); | |||||
| glad_glXCopyContext = (PFNGLXCOPYCONTEXTPROC) load(userptr, "glXCopyContext"); | |||||
| glad_glXCreateContext = (PFNGLXCREATECONTEXTPROC) load(userptr, "glXCreateContext"); | |||||
| glad_glXCreateGLXPixmap = (PFNGLXCREATEGLXPIXMAPPROC) load(userptr, "glXCreateGLXPixmap"); | |||||
| glad_glXDestroyContext = (PFNGLXDESTROYCONTEXTPROC) load(userptr, "glXDestroyContext"); | |||||
| glad_glXDestroyGLXPixmap = (PFNGLXDESTROYGLXPIXMAPPROC) load(userptr, "glXDestroyGLXPixmap"); | |||||
| glad_glXGetConfig = (PFNGLXGETCONFIGPROC) load(userptr, "glXGetConfig"); | |||||
| glad_glXGetCurrentContext = (PFNGLXGETCURRENTCONTEXTPROC) load(userptr, "glXGetCurrentContext"); | |||||
| glad_glXGetCurrentDrawable = (PFNGLXGETCURRENTDRAWABLEPROC) load(userptr, "glXGetCurrentDrawable"); | |||||
| glad_glXIsDirect = (PFNGLXISDIRECTPROC) load(userptr, "glXIsDirect"); | |||||
| glad_glXMakeCurrent = (PFNGLXMAKECURRENTPROC) load(userptr, "glXMakeCurrent"); | |||||
| glad_glXQueryExtension = (PFNGLXQUERYEXTENSIONPROC) load(userptr, "glXQueryExtension"); | |||||
| glad_glXQueryVersion = (PFNGLXQUERYVERSIONPROC) load(userptr, "glXQueryVersion"); | |||||
| glad_glXSwapBuffers = (PFNGLXSWAPBUFFERSPROC) load(userptr, "glXSwapBuffers"); | |||||
| glad_glXUseXFont = (PFNGLXUSEXFONTPROC) load(userptr, "glXUseXFont"); | |||||
| glad_glXWaitGL = (PFNGLXWAITGLPROC) load(userptr, "glXWaitGL"); | |||||
| glad_glXWaitX = (PFNGLXWAITXPROC) load(userptr, "glXWaitX"); | |||||
| } | |||||
| static void glad_glx_load_GLX_VERSION_1_1( GLADuserptrloadfunc load, void* userptr) { | |||||
| if(!GLAD_GLX_VERSION_1_1) return; | |||||
| glad_glXGetClientString = (PFNGLXGETCLIENTSTRINGPROC) load(userptr, "glXGetClientString"); | |||||
| glad_glXQueryExtensionsString = (PFNGLXQUERYEXTENSIONSSTRINGPROC) load(userptr, "glXQueryExtensionsString"); | |||||
| glad_glXQueryServerString = (PFNGLXQUERYSERVERSTRINGPROC) load(userptr, "glXQueryServerString"); | |||||
| } | |||||
| static void glad_glx_load_GLX_VERSION_1_2( GLADuserptrloadfunc load, void* userptr) { | |||||
| if(!GLAD_GLX_VERSION_1_2) return; | |||||
| glad_glXGetCurrentDisplay = (PFNGLXGETCURRENTDISPLAYPROC) load(userptr, "glXGetCurrentDisplay"); | |||||
| } | |||||
| static void glad_glx_load_GLX_VERSION_1_3( GLADuserptrloadfunc load, void* userptr) { | |||||
| if(!GLAD_GLX_VERSION_1_3) return; | |||||
| glad_glXChooseFBConfig = (PFNGLXCHOOSEFBCONFIGPROC) load(userptr, "glXChooseFBConfig"); | |||||
| glad_glXCreateNewContext = (PFNGLXCREATENEWCONTEXTPROC) load(userptr, "glXCreateNewContext"); | |||||
| glad_glXCreatePbuffer = (PFNGLXCREATEPBUFFERPROC) load(userptr, "glXCreatePbuffer"); | |||||
| glad_glXCreatePixmap = (PFNGLXCREATEPIXMAPPROC) load(userptr, "glXCreatePixmap"); | |||||
| glad_glXCreateWindow = (PFNGLXCREATEWINDOWPROC) load(userptr, "glXCreateWindow"); | |||||
| glad_glXDestroyPbuffer = (PFNGLXDESTROYPBUFFERPROC) load(userptr, "glXDestroyPbuffer"); | |||||
| glad_glXDestroyPixmap = (PFNGLXDESTROYPIXMAPPROC) load(userptr, "glXDestroyPixmap"); | |||||
| glad_glXDestroyWindow = (PFNGLXDESTROYWINDOWPROC) load(userptr, "glXDestroyWindow"); | |||||
| glad_glXGetCurrentReadDrawable = (PFNGLXGETCURRENTREADDRAWABLEPROC) load(userptr, "glXGetCurrentReadDrawable"); | |||||
| glad_glXGetFBConfigAttrib = (PFNGLXGETFBCONFIGATTRIBPROC) load(userptr, "glXGetFBConfigAttrib"); | |||||
| glad_glXGetFBConfigs = (PFNGLXGETFBCONFIGSPROC) load(userptr, "glXGetFBConfigs"); | |||||
| glad_glXGetSelectedEvent = (PFNGLXGETSELECTEDEVENTPROC) load(userptr, "glXGetSelectedEvent"); | |||||
| glad_glXGetVisualFromFBConfig = (PFNGLXGETVISUALFROMFBCONFIGPROC) load(userptr, "glXGetVisualFromFBConfig"); | |||||
| glad_glXMakeContextCurrent = (PFNGLXMAKECONTEXTCURRENTPROC) load(userptr, "glXMakeContextCurrent"); | |||||
| glad_glXQueryContext = (PFNGLXQUERYCONTEXTPROC) load(userptr, "glXQueryContext"); | |||||
| glad_glXQueryDrawable = (PFNGLXQUERYDRAWABLEPROC) load(userptr, "glXQueryDrawable"); | |||||
| glad_glXSelectEvent = (PFNGLXSELECTEVENTPROC) load(userptr, "glXSelectEvent"); | |||||
| } | |||||
| static void glad_glx_load_GLX_VERSION_1_4( GLADuserptrloadfunc load, void* userptr) { | |||||
| if(!GLAD_GLX_VERSION_1_4) return; | |||||
| glad_glXGetProcAddress = (PFNGLXGETPROCADDRESSPROC) load(userptr, "glXGetProcAddress"); | |||||
| } | |||||
| static void glad_glx_load_GLX_MESA_query_renderer( GLADuserptrloadfunc load, void* userptr) { | |||||
| if(!GLAD_GLX_MESA_query_renderer) return; | |||||
| glad_glXQueryCurrentRendererIntegerMESA = (PFNGLXQUERYCURRENTRENDERERINTEGERMESAPROC) load(userptr, "glXQueryCurrentRendererIntegerMESA"); | |||||
| glad_glXQueryCurrentRendererStringMESA = (PFNGLXQUERYCURRENTRENDERERSTRINGMESAPROC) load(userptr, "glXQueryCurrentRendererStringMESA"); | |||||
| glad_glXQueryRendererIntegerMESA = (PFNGLXQUERYRENDERERINTEGERMESAPROC) load(userptr, "glXQueryRendererIntegerMESA"); | |||||
| glad_glXQueryRendererStringMESA = (PFNGLXQUERYRENDERERSTRINGMESAPROC) load(userptr, "glXQueryRendererStringMESA"); | |||||
| } | |||||
| static void glad_glx_load_GLX_SGI_swap_control( GLADuserptrloadfunc load, void* userptr) { | |||||
| if(!GLAD_GLX_SGI_swap_control) return; | |||||
| glad_glXSwapIntervalSGI = (PFNGLXSWAPINTERVALSGIPROC) load(userptr, "glXSwapIntervalSGI"); | |||||
| } | |||||
| static int glad_glx_has_extension(Display *display, int screen, const char *ext) { | |||||
| #ifndef GLX_VERSION_1_1 | |||||
| (void) display; | |||||
| (void) screen; | |||||
| (void) ext; | |||||
| #else | |||||
| const char *terminator; | |||||
| const char *loc; | |||||
| const char *extensions; | |||||
| if (glXQueryExtensionsString == NULL) { | |||||
| return 0; | |||||
| } | |||||
| extensions = glXQueryExtensionsString(display, screen); | |||||
| if(extensions == NULL || ext == NULL) { | |||||
| return 0; | |||||
| } | |||||
| while(1) { | |||||
| loc = strstr(extensions, ext); | |||||
| if(loc == NULL) | |||||
| break; | |||||
| terminator = loc + strlen(ext); | |||||
| if((loc == extensions || *(loc - 1) == ' ') && | |||||
| (*terminator == ' ' || *terminator == '\0')) { | |||||
| return 1; | |||||
| } | |||||
| extensions = terminator; | |||||
| } | |||||
| #endif | |||||
| return 0; | |||||
| } | |||||
| static GLADapiproc glad_glx_get_proc_from_userptr(void *userptr, const char* name) { | |||||
| return (GLAD_GNUC_EXTENSION (GLADapiproc (*)(const char *name)) userptr)(name); | |||||
| } | |||||
| static int glad_glx_find_extensions(Display *display, int screen) { | |||||
| GLAD_GLX_MESA_query_renderer = glad_glx_has_extension(display, screen, "GLX_MESA_query_renderer"); | |||||
| GLAD_GLX_SGI_swap_control = glad_glx_has_extension(display, screen, "GLX_SGI_swap_control"); | |||||
| return 1; | |||||
| } | |||||
| static int glad_glx_find_core_glx(Display **display, int *screen) { | |||||
| int major = 0, minor = 0; | |||||
| if(*display == NULL) { | |||||
| #ifdef GLAD_GLX_NO_X11 | |||||
| (void) screen; | |||||
| return 0; | |||||
| #else | |||||
| *display = XOpenDisplay(0); | |||||
| if (*display == NULL) { | |||||
| return 0; | |||||
| } | |||||
| *screen = XScreenNumberOfScreen(XDefaultScreenOfDisplay(*display)); | |||||
| #endif | |||||
| } | |||||
| glXQueryVersion(*display, &major, &minor); | |||||
| GLAD_GLX_VERSION_1_0 = (major == 1 && minor >= 0) || major > 1; | |||||
| GLAD_GLX_VERSION_1_1 = (major == 1 && minor >= 1) || major > 1; | |||||
| GLAD_GLX_VERSION_1_2 = (major == 1 && minor >= 2) || major > 1; | |||||
| GLAD_GLX_VERSION_1_3 = (major == 1 && minor >= 3) || major > 1; | |||||
| GLAD_GLX_VERSION_1_4 = (major == 1 && minor >= 4) || major > 1; | |||||
| return GLAD_MAKE_VERSION(major, minor); | |||||
| } | |||||
| int gladLoadGLXUserPtr(Display *display, int screen, GLADuserptrloadfunc load, void *userptr) { | |||||
| int version; | |||||
| glXQueryVersion = (PFNGLXQUERYVERSIONPROC) load(userptr, "glXQueryVersion"); | |||||
| if(glXQueryVersion == NULL) return 0; | |||||
| version = glad_glx_find_core_glx(&display, &screen); | |||||
| glad_glx_load_GLX_VERSION_1_0(load, userptr); | |||||
| glad_glx_load_GLX_VERSION_1_1(load, userptr); | |||||
| glad_glx_load_GLX_VERSION_1_2(load, userptr); | |||||
| glad_glx_load_GLX_VERSION_1_3(load, userptr); | |||||
| glad_glx_load_GLX_VERSION_1_4(load, userptr); | |||||
| if (!glad_glx_find_extensions(display, screen)) return 0; | |||||
| glad_glx_load_GLX_MESA_query_renderer(load, userptr); | |||||
| glad_glx_load_GLX_SGI_swap_control(load, userptr); | |||||
| return version; | |||||
| } | |||||
| int gladLoadGLX(Display *display, int screen, GLADloadfunc load) { | |||||
| return gladLoadGLXUserPtr(display, screen, glad_glx_get_proc_from_userptr, GLAD_GNUC_EXTENSION (void*) load); | |||||
| } | |||||
| #ifdef __cplusplus | |||||
| } | |||||
| #endif | |||||
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