| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #include "OpenGLESDispatch/EGLDispatch.h" |
| |
| #include "emugl/common/shared_library.h" |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| EGLDispatch s_egl; |
| |
| #define DEFAULT_EGL_LIB EMUGL_LIBNAME("EGL_translator") |
| |
| #define RENDER_EGL_LOAD_FIELD(return_type, function_name, signature) \ |
| s_egl. function_name = (function_name ## _t) lib->findSymbol(#function_name); \ |
| |
| #define RENDER_EGL_LOAD_FIELD_WITH_EGL(return_type, function_name, signature) \ |
| if ((!s_egl. function_name) && s_egl.eglGetProcAddress) s_egl. function_name = \ |
| (function_name ## _t) s_egl.eglGetProcAddress(#function_name); \ |
| |
| #define RENDER_EGL_LOAD_OPTIONAL_FIELD(return_type, function_name, signature) \ |
| if (s_egl.eglGetProcAddress) s_egl. function_name = \ |
| (function_name ## _t) s_egl.eglGetProcAddress(#function_name); \ |
| if (!s_egl.function_name || !s_egl.eglGetProcAddress) \ |
| RENDER_EGL_LOAD_FIELD(return_type, function_name, signature) |
| |
| bool init_egl_dispatch() { |
| const char *libName = getenv("ANDROID_EGL_LIB"); |
| if (!libName) libName = DEFAULT_EGL_LIB; |
| char error[256]; |
| emugl::SharedLibrary *lib = emugl::SharedLibrary::open(libName, error, sizeof(error)); |
| if (!lib) { |
| printf("Failed to open %s: [%s]\n", libName, error); |
| return false; |
| } |
| |
| LIST_RENDER_EGL_FUNCTIONS(RENDER_EGL_LOAD_FIELD) |
| LIST_RENDER_EGL_FUNCTIONS(RENDER_EGL_LOAD_FIELD_WITH_EGL) |
| LIST_RENDER_EGL_EXTENSIONS_FUNCTIONS(RENDER_EGL_LOAD_OPTIONAL_FIELD) |
| LIST_RENDER_EGL_SNAPSHOT_FUNCTIONS(RENDER_EGL_LOAD_FIELD) |
| |
| return true; |
| } |