396 lines
15 KiB
C
396 lines
15 KiB
C
|
/**
|
||
|
|
* SPDX-License-Identifier: (WTFPL OR CC0-1.0) AND Apache-2.0
|
||
|
|
*/
|
||
|
|
#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_ARB_create_context = 0;
|
||
|
|
int GLAD_GLX_ARB_create_context_profile = 0;
|
||
|
|
int GLAD_GLX_ARB_get_proc_address = 0;
|
||
|
|
int GLAD_GLX_EXT_swap_control = 0;
|
||
|
|
int GLAD_GLX_MESA_swap_control = 0;
|
||
|
|
int GLAD_GLX_SGI_swap_control = 0;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
PFNGLXCHOOSEFBCONFIGPROC glad_glXChooseFBConfig = NULL;
|
||
|
|
PFNGLXCHOOSEVISUALPROC glad_glXChooseVisual = NULL;
|
||
|
|
PFNGLXCOPYCONTEXTPROC glad_glXCopyContext = NULL;
|
||
|
|
PFNGLXCREATECONTEXTPROC glad_glXCreateContext = NULL;
|
||
|
|
PFNGLXCREATECONTEXTATTRIBSARBPROC glad_glXCreateContextAttribsARB = 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;
|
||
|
|
PFNGLXGETPROCADDRESSARBPROC glad_glXGetProcAddressARB = NULL;
|
||
|
|
PFNGLXGETSELECTEDEVENTPROC glad_glXGetSelectedEvent = NULL;
|
||
|
|
PFNGLXGETSWAPINTERVALMESAPROC glad_glXGetSwapIntervalMESA = NULL;
|
||
|
|
PFNGLXGETVISUALFROMFBCONFIGPROC glad_glXGetVisualFromFBConfig = NULL;
|
||
|
|
PFNGLXISDIRECTPROC glad_glXIsDirect = NULL;
|
||
|
|
PFNGLXMAKECONTEXTCURRENTPROC glad_glXMakeContextCurrent = NULL;
|
||
|
|
PFNGLXMAKECURRENTPROC glad_glXMakeCurrent = NULL;
|
||
|
|
PFNGLXQUERYCONTEXTPROC glad_glXQueryContext = NULL;
|
||
|
|
PFNGLXQUERYDRAWABLEPROC glad_glXQueryDrawable = NULL;
|
||
|
|
PFNGLXQUERYEXTENSIONPROC glad_glXQueryExtension = NULL;
|
||
|
|
PFNGLXQUERYEXTENSIONSSTRINGPROC glad_glXQueryExtensionsString = NULL;
|
||
|
|
PFNGLXQUERYSERVERSTRINGPROC glad_glXQueryServerString = NULL;
|
||
|
|
PFNGLXQUERYVERSIONPROC glad_glXQueryVersion = NULL;
|
||
|
|
PFNGLXSELECTEVENTPROC glad_glXSelectEvent = NULL;
|
||
|
|
PFNGLXSWAPBUFFERSPROC glad_glXSwapBuffers = NULL;
|
||
|
|
PFNGLXSWAPINTERVALEXTPROC glad_glXSwapIntervalEXT = NULL;
|
||
|
|
PFNGLXSWAPINTERVALMESAPROC glad_glXSwapIntervalMESA = 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_ARB_create_context( GLADuserptrloadfunc load, void* userptr) {
|
||
|
|
if(!GLAD_GLX_ARB_create_context) return;
|
||
|
|
glad_glXCreateContextAttribsARB = (PFNGLXCREATECONTEXTATTRIBSARBPROC) load(userptr, "glXCreateContextAttribsARB");
|
||
|
|
}
|
||
|
|
static void glad_glx_load_GLX_ARB_get_proc_address( GLADuserptrloadfunc load, void* userptr) {
|
||
|
|
if(!GLAD_GLX_ARB_get_proc_address) return;
|
||
|
|
glad_glXGetProcAddressARB = (PFNGLXGETPROCADDRESSARBPROC) load(userptr, "glXGetProcAddressARB");
|
||
|
|
}
|
||
|
|
static void glad_glx_load_GLX_EXT_swap_control( GLADuserptrloadfunc load, void* userptr) {
|
||
|
|
if(!GLAD_GLX_EXT_swap_control) return;
|
||
|
|
glad_glXSwapIntervalEXT = (PFNGLXSWAPINTERVALEXTPROC) load(userptr, "glXSwapIntervalEXT");
|
||
|
|
}
|
||
|
|
static void glad_glx_load_GLX_MESA_swap_control( GLADuserptrloadfunc load, void* userptr) {
|
||
|
|
if(!GLAD_GLX_MESA_swap_control) return;
|
||
|
|
glad_glXGetSwapIntervalMESA = (PFNGLXGETSWAPINTERVALMESAPROC) load(userptr, "glXGetSwapIntervalMESA");
|
||
|
|
glad_glXSwapIntervalMESA = (PFNGLXSWAPINTERVALMESAPROC) load(userptr, "glXSwapIntervalMESA");
|
||
|
|
}
|
||
|
|
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
|
||
|
|
GLAD_UNUSED(display);
|
||
|
|
GLAD_UNUSED(screen);
|
||
|
|
GLAD_UNUSED(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_ARB_create_context = glad_glx_has_extension(display, screen, "GLX_ARB_create_context");
|
||
|
|
GLAD_GLX_ARB_create_context_profile = glad_glx_has_extension(display, screen, "GLX_ARB_create_context_profile");
|
||
|
|
GLAD_GLX_ARB_get_proc_address = glad_glx_has_extension(display, screen, "GLX_ARB_get_proc_address");
|
||
|
|
GLAD_GLX_EXT_swap_control = glad_glx_has_extension(display, screen, "GLX_EXT_swap_control");
|
||
|
|
GLAD_GLX_MESA_swap_control = glad_glx_has_extension(display, screen, "GLX_MESA_swap_control");
|
||
|
|
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
|
||
|
|
GLAD_UNUSED(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_ARB_create_context(load, userptr);
|
||
|
|
glad_glx_load_GLX_ARB_get_proc_address(load, userptr);
|
||
|
|
glad_glx_load_GLX_EXT_swap_control(load, userptr);
|
||
|
|
glad_glx_load_GLX_MESA_swap_control(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 GLAD_GLX
|
||
|
|
|
||
|
|
#ifndef GLAD_LOADER_LIBRARY_C_
|
||
|
|
#define GLAD_LOADER_LIBRARY_C_
|
||
|
|
|
||
|
|
#include <stddef.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
|
||
|
|
#if GLAD_PLATFORM_WIN32
|
||
|
|
#include <windows.h>
|
||
|
|
#else
|
||
|
|
#include <dlfcn.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
static void* glad_get_dlopen_handle(const char *lib_names[], int length) {
|
||
|
|
void *handle = NULL;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
for (i = 0; i < length; ++i) {
|
||
|
|
#if GLAD_PLATFORM_WIN32
|
||
|
|
#if GLAD_PLATFORM_UWP
|
||
|
|
size_t buffer_size = (strlen(lib_names[i]) + 1) * sizeof(WCHAR);
|
||
|
|
LPWSTR buffer = (LPWSTR) malloc(buffer_size);
|
||
|
|
if (buffer != NULL) {
|
||
|
|
int ret = MultiByteToWideChar(CP_ACP, 0, lib_names[i], -1, buffer, buffer_size);
|
||
|
|
if (ret != 0) {
|
||
|
|
handle = (void*) LoadPackagedLibrary(buffer, 0);
|
||
|
|
}
|
||
|
|
free((void*) buffer);
|
||
|
|
}
|
||
|
|
#else
|
||
|
|
handle = (void*) LoadLibraryA(lib_names[i]);
|
||
|
|
#endif
|
||
|
|
#else
|
||
|
|
handle = dlopen(lib_names[i], RTLD_LAZY | RTLD_LOCAL);
|
||
|
|
#endif
|
||
|
|
if (handle != NULL) {
|
||
|
|
return handle;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void glad_close_dlopen_handle(void* handle) {
|
||
|
|
if (handle != NULL) {
|
||
|
|
#if GLAD_PLATFORM_WIN32
|
||
|
|
FreeLibrary((HMODULE) handle);
|
||
|
|
#else
|
||
|
|
dlclose(handle);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static GLADapiproc glad_dlsym_handle(void* handle, const char *name) {
|
||
|
|
if (handle == NULL) {
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
#if GLAD_PLATFORM_WIN32
|
||
|
|
return (GLADapiproc) GetProcAddress((HMODULE) handle, name);
|
||
|
|
#else
|
||
|
|
return GLAD_GNUC_EXTENSION (GLADapiproc) dlsym(handle, name);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* GLAD_LOADER_LIBRARY_C_ */
|
||
|
|
|
||
|
|
typedef void* (GLAD_API_PTR *GLADglxprocaddrfunc)(const char*);
|
||
|
|
|
||
|
|
static GLADapiproc glad_glx_get_proc(void *userptr, const char *name) {
|
||
|
|
return GLAD_GNUC_EXTENSION ((GLADapiproc (*)(const char *name)) userptr)(name);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void* _glx_handle;
|
||
|
|
|
||
|
|
static void* glad_glx_dlopen_handle(void) {
|
||
|
|
static const char *NAMES[] = {
|
||
|
|
#if defined __CYGWIN__
|
||
|
|
"libGL-1.so",
|
||
|
|
#endif
|
||
|
|
"libGL.so.1",
|
||
|
|
"libGL.so"
|
||
|
|
};
|
||
|
|
|
||
|
|
if (_glx_handle == NULL) {
|
||
|
|
_glx_handle = glad_get_dlopen_handle(NAMES, sizeof(NAMES) / sizeof(NAMES[0]));
|
||
|
|
}
|
||
|
|
|
||
|
|
return _glx_handle;
|
||
|
|
}
|
||
|
|
|
||
|
|
int gladLoaderLoadGLX(Display *display, int screen) {
|
||
|
|
int version = 0;
|
||
|
|
void *handle = NULL;
|
||
|
|
int did_load = 0;
|
||
|
|
GLADglxprocaddrfunc loader;
|
||
|
|
|
||
|
|
did_load = _glx_handle == NULL;
|
||
|
|
handle = glad_glx_dlopen_handle();
|
||
|
|
if (handle != NULL) {
|
||
|
|
loader = (GLADglxprocaddrfunc) glad_dlsym_handle(handle, "glXGetProcAddressARB");
|
||
|
|
if (loader != NULL) {
|
||
|
|
version = gladLoadGLXUserPtr(display, screen, glad_glx_get_proc, GLAD_GNUC_EXTENSION (void*) loader);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!version && did_load) {
|
||
|
|
gladLoaderUnloadGLX();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return version;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void gladLoaderUnloadGLX() {
|
||
|
|
if (_glx_handle != NULL) {
|
||
|
|
glad_close_dlopen_handle(_glx_handle);
|
||
|
|
_glx_handle = NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* GLAD_GLX */
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|