mirror of
https://github.com/godotengine/godot.git
synced 2024-12-27 11:24:59 +08:00
409 lines
15 KiB
C
409 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/egl.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_EGL_VERSION_1_0 = 0;
|
|
int GLAD_EGL_VERSION_1_1 = 0;
|
|
int GLAD_EGL_VERSION_1_2 = 0;
|
|
int GLAD_EGL_VERSION_1_3 = 0;
|
|
int GLAD_EGL_VERSION_1_4 = 0;
|
|
int GLAD_EGL_VERSION_1_5 = 0;
|
|
int GLAD_EGL_ANDROID_blob_cache = 0;
|
|
int GLAD_EGL_KHR_platform_wayland = 0;
|
|
int GLAD_EGL_KHR_platform_x11 = 0;
|
|
|
|
|
|
|
|
PFNEGLBINDAPIPROC glad_eglBindAPI = NULL;
|
|
PFNEGLBINDTEXIMAGEPROC glad_eglBindTexImage = NULL;
|
|
PFNEGLCHOOSECONFIGPROC glad_eglChooseConfig = NULL;
|
|
PFNEGLCLIENTWAITSYNCPROC glad_eglClientWaitSync = NULL;
|
|
PFNEGLCOPYBUFFERSPROC glad_eglCopyBuffers = NULL;
|
|
PFNEGLCREATECONTEXTPROC glad_eglCreateContext = NULL;
|
|
PFNEGLCREATEIMAGEPROC glad_eglCreateImage = NULL;
|
|
PFNEGLCREATEPBUFFERFROMCLIENTBUFFERPROC glad_eglCreatePbufferFromClientBuffer = NULL;
|
|
PFNEGLCREATEPBUFFERSURFACEPROC glad_eglCreatePbufferSurface = NULL;
|
|
PFNEGLCREATEPIXMAPSURFACEPROC glad_eglCreatePixmapSurface = NULL;
|
|
PFNEGLCREATEPLATFORMPIXMAPSURFACEPROC glad_eglCreatePlatformPixmapSurface = NULL;
|
|
PFNEGLCREATEPLATFORMWINDOWSURFACEPROC glad_eglCreatePlatformWindowSurface = NULL;
|
|
PFNEGLCREATESYNCPROC glad_eglCreateSync = NULL;
|
|
PFNEGLCREATEWINDOWSURFACEPROC glad_eglCreateWindowSurface = NULL;
|
|
PFNEGLDESTROYCONTEXTPROC glad_eglDestroyContext = NULL;
|
|
PFNEGLDESTROYIMAGEPROC glad_eglDestroyImage = NULL;
|
|
PFNEGLDESTROYSURFACEPROC glad_eglDestroySurface = NULL;
|
|
PFNEGLDESTROYSYNCPROC glad_eglDestroySync = NULL;
|
|
PFNEGLGETCONFIGATTRIBPROC glad_eglGetConfigAttrib = NULL;
|
|
PFNEGLGETCONFIGSPROC glad_eglGetConfigs = NULL;
|
|
PFNEGLGETCURRENTCONTEXTPROC glad_eglGetCurrentContext = NULL;
|
|
PFNEGLGETCURRENTDISPLAYPROC glad_eglGetCurrentDisplay = NULL;
|
|
PFNEGLGETCURRENTSURFACEPROC glad_eglGetCurrentSurface = NULL;
|
|
PFNEGLGETDISPLAYPROC glad_eglGetDisplay = NULL;
|
|
PFNEGLGETERRORPROC glad_eglGetError = NULL;
|
|
PFNEGLGETPLATFORMDISPLAYPROC glad_eglGetPlatformDisplay = NULL;
|
|
PFNEGLGETPROCADDRESSPROC glad_eglGetProcAddress = NULL;
|
|
PFNEGLGETSYNCATTRIBPROC glad_eglGetSyncAttrib = NULL;
|
|
PFNEGLINITIALIZEPROC glad_eglInitialize = NULL;
|
|
PFNEGLMAKECURRENTPROC glad_eglMakeCurrent = NULL;
|
|
PFNEGLQUERYAPIPROC glad_eglQueryAPI = NULL;
|
|
PFNEGLQUERYCONTEXTPROC glad_eglQueryContext = NULL;
|
|
PFNEGLQUERYSTRINGPROC glad_eglQueryString = NULL;
|
|
PFNEGLQUERYSURFACEPROC glad_eglQuerySurface = NULL;
|
|
PFNEGLRELEASETEXIMAGEPROC glad_eglReleaseTexImage = NULL;
|
|
PFNEGLRELEASETHREADPROC glad_eglReleaseThread = NULL;
|
|
PFNEGLSETBLOBCACHEFUNCSANDROIDPROC glad_eglSetBlobCacheFuncsANDROID = NULL;
|
|
PFNEGLSURFACEATTRIBPROC glad_eglSurfaceAttrib = NULL;
|
|
PFNEGLSWAPBUFFERSPROC glad_eglSwapBuffers = NULL;
|
|
PFNEGLSWAPINTERVALPROC glad_eglSwapInterval = NULL;
|
|
PFNEGLTERMINATEPROC glad_eglTerminate = NULL;
|
|
PFNEGLWAITCLIENTPROC glad_eglWaitClient = NULL;
|
|
PFNEGLWAITGLPROC glad_eglWaitGL = NULL;
|
|
PFNEGLWAITNATIVEPROC glad_eglWaitNative = NULL;
|
|
PFNEGLWAITSYNCPROC glad_eglWaitSync = NULL;
|
|
|
|
|
|
static void glad_egl_load_EGL_VERSION_1_0( GLADuserptrloadfunc load, void* userptr) {
|
|
if(!GLAD_EGL_VERSION_1_0) return;
|
|
glad_eglChooseConfig = (PFNEGLCHOOSECONFIGPROC) load(userptr, "eglChooseConfig");
|
|
glad_eglCopyBuffers = (PFNEGLCOPYBUFFERSPROC) load(userptr, "eglCopyBuffers");
|
|
glad_eglCreateContext = (PFNEGLCREATECONTEXTPROC) load(userptr, "eglCreateContext");
|
|
glad_eglCreatePbufferSurface = (PFNEGLCREATEPBUFFERSURFACEPROC) load(userptr, "eglCreatePbufferSurface");
|
|
glad_eglCreatePixmapSurface = (PFNEGLCREATEPIXMAPSURFACEPROC) load(userptr, "eglCreatePixmapSurface");
|
|
glad_eglCreateWindowSurface = (PFNEGLCREATEWINDOWSURFACEPROC) load(userptr, "eglCreateWindowSurface");
|
|
glad_eglDestroyContext = (PFNEGLDESTROYCONTEXTPROC) load(userptr, "eglDestroyContext");
|
|
glad_eglDestroySurface = (PFNEGLDESTROYSURFACEPROC) load(userptr, "eglDestroySurface");
|
|
glad_eglGetConfigAttrib = (PFNEGLGETCONFIGATTRIBPROC) load(userptr, "eglGetConfigAttrib");
|
|
glad_eglGetConfigs = (PFNEGLGETCONFIGSPROC) load(userptr, "eglGetConfigs");
|
|
glad_eglGetCurrentDisplay = (PFNEGLGETCURRENTDISPLAYPROC) load(userptr, "eglGetCurrentDisplay");
|
|
glad_eglGetCurrentSurface = (PFNEGLGETCURRENTSURFACEPROC) load(userptr, "eglGetCurrentSurface");
|
|
glad_eglGetDisplay = (PFNEGLGETDISPLAYPROC) load(userptr, "eglGetDisplay");
|
|
glad_eglGetError = (PFNEGLGETERRORPROC) load(userptr, "eglGetError");
|
|
glad_eglGetProcAddress = (PFNEGLGETPROCADDRESSPROC) load(userptr, "eglGetProcAddress");
|
|
glad_eglInitialize = (PFNEGLINITIALIZEPROC) load(userptr, "eglInitialize");
|
|
glad_eglMakeCurrent = (PFNEGLMAKECURRENTPROC) load(userptr, "eglMakeCurrent");
|
|
glad_eglQueryContext = (PFNEGLQUERYCONTEXTPROC) load(userptr, "eglQueryContext");
|
|
glad_eglQueryString = (PFNEGLQUERYSTRINGPROC) load(userptr, "eglQueryString");
|
|
glad_eglQuerySurface = (PFNEGLQUERYSURFACEPROC) load(userptr, "eglQuerySurface");
|
|
glad_eglSwapBuffers = (PFNEGLSWAPBUFFERSPROC) load(userptr, "eglSwapBuffers");
|
|
glad_eglTerminate = (PFNEGLTERMINATEPROC) load(userptr, "eglTerminate");
|
|
glad_eglWaitGL = (PFNEGLWAITGLPROC) load(userptr, "eglWaitGL");
|
|
glad_eglWaitNative = (PFNEGLWAITNATIVEPROC) load(userptr, "eglWaitNative");
|
|
}
|
|
static void glad_egl_load_EGL_VERSION_1_1( GLADuserptrloadfunc load, void* userptr) {
|
|
if(!GLAD_EGL_VERSION_1_1) return;
|
|
glad_eglBindTexImage = (PFNEGLBINDTEXIMAGEPROC) load(userptr, "eglBindTexImage");
|
|
glad_eglReleaseTexImage = (PFNEGLRELEASETEXIMAGEPROC) load(userptr, "eglReleaseTexImage");
|
|
glad_eglSurfaceAttrib = (PFNEGLSURFACEATTRIBPROC) load(userptr, "eglSurfaceAttrib");
|
|
glad_eglSwapInterval = (PFNEGLSWAPINTERVALPROC) load(userptr, "eglSwapInterval");
|
|
}
|
|
static void glad_egl_load_EGL_VERSION_1_2( GLADuserptrloadfunc load, void* userptr) {
|
|
if(!GLAD_EGL_VERSION_1_2) return;
|
|
glad_eglBindAPI = (PFNEGLBINDAPIPROC) load(userptr, "eglBindAPI");
|
|
glad_eglCreatePbufferFromClientBuffer = (PFNEGLCREATEPBUFFERFROMCLIENTBUFFERPROC) load(userptr, "eglCreatePbufferFromClientBuffer");
|
|
glad_eglQueryAPI = (PFNEGLQUERYAPIPROC) load(userptr, "eglQueryAPI");
|
|
glad_eglReleaseThread = (PFNEGLRELEASETHREADPROC) load(userptr, "eglReleaseThread");
|
|
glad_eglWaitClient = (PFNEGLWAITCLIENTPROC) load(userptr, "eglWaitClient");
|
|
}
|
|
static void glad_egl_load_EGL_VERSION_1_4( GLADuserptrloadfunc load, void* userptr) {
|
|
if(!GLAD_EGL_VERSION_1_4) return;
|
|
glad_eglGetCurrentContext = (PFNEGLGETCURRENTCONTEXTPROC) load(userptr, "eglGetCurrentContext");
|
|
}
|
|
static void glad_egl_load_EGL_VERSION_1_5( GLADuserptrloadfunc load, void* userptr) {
|
|
if(!GLAD_EGL_VERSION_1_5) return;
|
|
glad_eglClientWaitSync = (PFNEGLCLIENTWAITSYNCPROC) load(userptr, "eglClientWaitSync");
|
|
glad_eglCreateImage = (PFNEGLCREATEIMAGEPROC) load(userptr, "eglCreateImage");
|
|
glad_eglCreatePlatformPixmapSurface = (PFNEGLCREATEPLATFORMPIXMAPSURFACEPROC) load(userptr, "eglCreatePlatformPixmapSurface");
|
|
glad_eglCreatePlatformWindowSurface = (PFNEGLCREATEPLATFORMWINDOWSURFACEPROC) load(userptr, "eglCreatePlatformWindowSurface");
|
|
glad_eglCreateSync = (PFNEGLCREATESYNCPROC) load(userptr, "eglCreateSync");
|
|
glad_eglDestroyImage = (PFNEGLDESTROYIMAGEPROC) load(userptr, "eglDestroyImage");
|
|
glad_eglDestroySync = (PFNEGLDESTROYSYNCPROC) load(userptr, "eglDestroySync");
|
|
glad_eglGetPlatformDisplay = (PFNEGLGETPLATFORMDISPLAYPROC) load(userptr, "eglGetPlatformDisplay");
|
|
glad_eglGetSyncAttrib = (PFNEGLGETSYNCATTRIBPROC) load(userptr, "eglGetSyncAttrib");
|
|
glad_eglWaitSync = (PFNEGLWAITSYNCPROC) load(userptr, "eglWaitSync");
|
|
}
|
|
static void glad_egl_load_EGL_ANDROID_blob_cache( GLADuserptrloadfunc load, void* userptr) {
|
|
if(!GLAD_EGL_ANDROID_blob_cache) return;
|
|
glad_eglSetBlobCacheFuncsANDROID = (PFNEGLSETBLOBCACHEFUNCSANDROIDPROC) load(userptr, "eglSetBlobCacheFuncsANDROID");
|
|
}
|
|
|
|
|
|
|
|
static int glad_egl_get_extensions(EGLDisplay display, const char **extensions) {
|
|
*extensions = eglQueryString(display, EGL_EXTENSIONS);
|
|
|
|
return extensions != NULL;
|
|
}
|
|
|
|
static int glad_egl_has_extension(const char *extensions, const char *ext) {
|
|
const char *loc;
|
|
const char *terminator;
|
|
if(extensions == NULL) {
|
|
return 0;
|
|
}
|
|
while(1) {
|
|
loc = strstr(extensions, ext);
|
|
if(loc == NULL) {
|
|
return 0;
|
|
}
|
|
terminator = loc + strlen(ext);
|
|
if((loc == extensions || *(loc - 1) == ' ') &&
|
|
(*terminator == ' ' || *terminator == '\0')) {
|
|
return 1;
|
|
}
|
|
extensions = terminator;
|
|
}
|
|
}
|
|
|
|
static GLADapiproc glad_egl_get_proc_from_userptr(void *userptr, const char *name) {
|
|
return (GLAD_GNUC_EXTENSION (GLADapiproc (*)(const char *name)) userptr)(name);
|
|
}
|
|
|
|
static int glad_egl_find_extensions_egl(EGLDisplay display) {
|
|
const char *extensions;
|
|
if (!glad_egl_get_extensions(display, &extensions)) return 0;
|
|
|
|
GLAD_EGL_ANDROID_blob_cache = glad_egl_has_extension(extensions, "EGL_ANDROID_blob_cache");
|
|
GLAD_EGL_KHR_platform_wayland = glad_egl_has_extension(extensions, "EGL_KHR_platform_wayland");
|
|
GLAD_EGL_KHR_platform_x11 = glad_egl_has_extension(extensions, "EGL_KHR_platform_x11");
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int glad_egl_find_core_egl(EGLDisplay display) {
|
|
int major, minor;
|
|
const char *version;
|
|
|
|
if (display == NULL) {
|
|
display = EGL_NO_DISPLAY; /* this is usually NULL, better safe than sorry */
|
|
}
|
|
if (display == EGL_NO_DISPLAY) {
|
|
display = eglGetCurrentDisplay();
|
|
}
|
|
#ifdef EGL_VERSION_1_4
|
|
if (display == EGL_NO_DISPLAY) {
|
|
display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
|
|
}
|
|
#endif
|
|
#ifndef EGL_VERSION_1_5
|
|
if (display == EGL_NO_DISPLAY) {
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
version = eglQueryString(display, EGL_VERSION);
|
|
(void) eglGetError();
|
|
|
|
if (version == NULL) {
|
|
major = 1;
|
|
minor = 0;
|
|
} else {
|
|
GLAD_IMPL_UTIL_SSCANF(version, "%d.%d", &major, &minor);
|
|
}
|
|
|
|
GLAD_EGL_VERSION_1_0 = (major == 1 && minor >= 0) || major > 1;
|
|
GLAD_EGL_VERSION_1_1 = (major == 1 && minor >= 1) || major > 1;
|
|
GLAD_EGL_VERSION_1_2 = (major == 1 && minor >= 2) || major > 1;
|
|
GLAD_EGL_VERSION_1_3 = (major == 1 && minor >= 3) || major > 1;
|
|
GLAD_EGL_VERSION_1_4 = (major == 1 && minor >= 4) || major > 1;
|
|
GLAD_EGL_VERSION_1_5 = (major == 1 && minor >= 5) || major > 1;
|
|
|
|
return GLAD_MAKE_VERSION(major, minor);
|
|
}
|
|
|
|
int gladLoadEGLUserPtr(EGLDisplay display, GLADuserptrloadfunc load, void* userptr) {
|
|
int version;
|
|
eglGetDisplay = (PFNEGLGETDISPLAYPROC) load(userptr, "eglGetDisplay");
|
|
eglGetCurrentDisplay = (PFNEGLGETCURRENTDISPLAYPROC) load(userptr, "eglGetCurrentDisplay");
|
|
eglQueryString = (PFNEGLQUERYSTRINGPROC) load(userptr, "eglQueryString");
|
|
eglGetError = (PFNEGLGETERRORPROC) load(userptr, "eglGetError");
|
|
if (eglGetDisplay == NULL || eglGetCurrentDisplay == NULL || eglQueryString == NULL || eglGetError == NULL) return 0;
|
|
|
|
version = glad_egl_find_core_egl(display);
|
|
if (!version) return 0;
|
|
glad_egl_load_EGL_VERSION_1_0(load, userptr);
|
|
glad_egl_load_EGL_VERSION_1_1(load, userptr);
|
|
glad_egl_load_EGL_VERSION_1_2(load, userptr);
|
|
glad_egl_load_EGL_VERSION_1_4(load, userptr);
|
|
glad_egl_load_EGL_VERSION_1_5(load, userptr);
|
|
|
|
if (!glad_egl_find_extensions_egl(display)) return 0;
|
|
glad_egl_load_EGL_ANDROID_blob_cache(load, userptr);
|
|
|
|
|
|
return version;
|
|
}
|
|
|
|
int gladLoadEGL(EGLDisplay display, GLADloadfunc load) {
|
|
return gladLoadEGLUserPtr(display, glad_egl_get_proc_from_userptr, GLAD_GNUC_EXTENSION (void*) load);
|
|
}
|
|
|
|
|
|
|
|
#ifdef GLAD_EGL
|
|
|
|
#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_ */
|
|
|
|
struct _glad_egl_userptr {
|
|
void *handle;
|
|
PFNEGLGETPROCADDRESSPROC get_proc_address_ptr;
|
|
};
|
|
|
|
static GLADapiproc glad_egl_get_proc(void *vuserptr, const char* name) {
|
|
struct _glad_egl_userptr userptr = *(struct _glad_egl_userptr*) vuserptr;
|
|
GLADapiproc result = NULL;
|
|
|
|
result = glad_dlsym_handle(userptr.handle, name);
|
|
if (result == NULL) {
|
|
result = GLAD_GNUC_EXTENSION (GLADapiproc) userptr.get_proc_address_ptr(name);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static void* _egl_handle = NULL;
|
|
|
|
static void* glad_egl_dlopen_handle(void) {
|
|
#if GLAD_PLATFORM_APPLE
|
|
static const char *NAMES[] = {"libEGL.dylib"};
|
|
#elif GLAD_PLATFORM_WIN32
|
|
static const char *NAMES[] = {"libEGL.dll", "EGL.dll"};
|
|
#else
|
|
static const char *NAMES[] = {"libEGL.so.1", "libEGL.so"};
|
|
#endif
|
|
|
|
if (_egl_handle == NULL) {
|
|
_egl_handle = glad_get_dlopen_handle(NAMES, sizeof(NAMES) / sizeof(NAMES[0]));
|
|
}
|
|
|
|
return _egl_handle;
|
|
}
|
|
|
|
static struct _glad_egl_userptr glad_egl_build_userptr(void *handle) {
|
|
struct _glad_egl_userptr userptr;
|
|
userptr.handle = handle;
|
|
userptr.get_proc_address_ptr = (PFNEGLGETPROCADDRESSPROC) glad_dlsym_handle(handle, "eglGetProcAddress");
|
|
return userptr;
|
|
}
|
|
|
|
int gladLoaderLoadEGL(EGLDisplay display) {
|
|
int version = 0;
|
|
void *handle = NULL;
|
|
int did_load = 0;
|
|
struct _glad_egl_userptr userptr;
|
|
|
|
did_load = _egl_handle == NULL;
|
|
handle = glad_egl_dlopen_handle();
|
|
if (handle != NULL) {
|
|
userptr = glad_egl_build_userptr(handle);
|
|
|
|
if (userptr.get_proc_address_ptr != NULL) {
|
|
version = gladLoadEGLUserPtr(display, glad_egl_get_proc, &userptr);
|
|
}
|
|
|
|
if (!version && did_load) {
|
|
gladLoaderUnloadEGL();
|
|
}
|
|
}
|
|
|
|
return version;
|
|
}
|
|
|
|
|
|
void gladLoaderUnloadEGL() {
|
|
if (_egl_handle != NULL) {
|
|
glad_close_dlopen_handle(_egl_handle);
|
|
_egl_handle = NULL;
|
|
}
|
|
}
|
|
|
|
#endif /* GLAD_EGL */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|