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119 lines
3.2 KiB
119 lines
3.2 KiB
/****************************************************************************
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Copyright (c) 2019-2023 Xiamen Yaji Software Co., Ltd.
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http://www.cocos.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "GLES2Wrangler.h"
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#if defined(_WIN32) && !defined(ANDROID)
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#define WIN32_LEAN_AND_MEAN 1
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#include <windows.h>
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static HMODULE libegl = NULL;
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static HMODULE libgles = NULL;
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bool gles2wOpen() {
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libegl = LoadLibraryA("libEGL.dll");
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libgles = LoadLibraryA("libGLESv2.dll");
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return (libegl && libgles);
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}
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bool gles2wClose() {
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bool ret = true;
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if (libegl) {
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ret &= FreeLibrary(libegl) ? true : false;
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libegl = NULL;
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}
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if (libgles) {
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ret &= FreeLibrary(libgles) ? true : false;
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libgles = NULL;
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}
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return ret;
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}
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void *gles2wLoad(const char *proc) {
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void *res = nullptr;
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if (eglGetProcAddress) res = (void *)eglGetProcAddress(proc);
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if (!res) res = (void *)GetProcAddress(libegl, proc);
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return res;
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}
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#elif defined(__EMSCRIPTEN__)
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bool gles2wOpen() { return true; }
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bool gles2wClose() { return true; }
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void *gles2wLoad(const char *proc) {
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return (void *)eglGetProcAddress(proc);
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}
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#else
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#include <dlfcn.h>
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static void *libegl = nullptr;
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static void *libgles = nullptr;
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bool gles2wOpen() {
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libegl = dlopen("libEGL.so", RTLD_LAZY | RTLD_GLOBAL);
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#if __OHOS__
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libgles = dlopen("libGLESv3.so", RTLD_LAZY | RTLD_GLOBAL);
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#else
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libgles = dlopen("libGLESv2.so", RTLD_LAZY | RTLD_GLOBAL);
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#endif
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return (libegl && libgles);
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}
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bool gles2wClose() {
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bool ret = true;
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if (libegl) {
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ret &= dlclose(libegl) == 0;
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libegl = nullptr;
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}
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if (libgles) {
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ret &= dlclose(libgles) == 0;
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libgles = nullptr;
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}
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return ret;
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}
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void *gles2wLoad(const char *proc) {
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void *res = nullptr;
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if (eglGetProcAddress) res = reinterpret_cast<void *>(eglGetProcAddress(proc));
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if (!res) res = dlsym(libegl, proc);
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return res;
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}
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#endif
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bool gles2wInit() {
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if (!gles2wOpen()) {
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return false;
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}
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eglwLoadProcs(gles2wLoad);
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gles2wLoadProcs(gles2wLoad);
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return true;
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}
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bool gles2wExit() {
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return gles2wClose();
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}
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