/* * 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. */ #pragma once #include "OpenGLESDispatch/RenderEGL_functions.h" #include "OpenGLESDispatch/RenderEGL_extensions_functions.h" // This header is used to define the EGLDispatch structure that contains // pointers to the EGL shared library used by libOpenglRender. Normally, // this will be our own libEGL_translator, but one could imagine a // vendor-specific being used instead. // There is a single global instance of this structure, named |s_egl|, // which must be initialized by calling init_egl_dispatch() before use. // Note that our code requires the implementation of misc EGL extensions // including eglSetSwapRectangleANDROID(), see RenderEGL_extensions_functions.h // for a full list. #define RENDER_EGL_DEFINE_TYPE(return_type, function_name, signature) \ typedef return_type (EGLAPIENTRY *function_name ## _t) signature; #define RENDER_EGL_DECLARE_MEMBER(return_type, function_name, signature) \ function_name ## _t function_name; // Define function typedefs. LIST_RENDER_EGL_FUNCTIONS(RENDER_EGL_DEFINE_TYPE) LIST_RENDER_EGL_EXTENSIONS_FUNCTIONS(RENDER_EGL_DEFINE_TYPE) // Define EGLDispatch structure. struct EGLDispatch { bool initialized = false; LIST_RENDER_EGL_FUNCTIONS(RENDER_EGL_DECLARE_MEMBER) LIST_RENDER_EGL_EXTENSIONS_FUNCTIONS(RENDER_EGL_DECLARE_MEMBER) }; // Initialize EGLDispatch function. Return true on success, false on failure. bool init_egl_dispatch(const char *path); // Global EGLDispatch instance. Call init_egl_dispatch() before using it. extern EGLDispatch s_egl;