1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #include "EGLDispatch.h" 17 #include <stdio.h> 18 #include <stdlib.h> 19 #include "osDynLibrary.h" 20 21 EGLDispatch s_egl; 22 23 #define DEFAULT_EGL_LIB EMUGL_LIBNAME("EGL_translator") 24 init_egl_dispatch()25bool init_egl_dispatch() 26 { 27 28 const char *libName = getenv("ANDROID_EGL_LIB"); 29 if (!libName) libName = DEFAULT_EGL_LIB; 30 31 osUtils::dynLibrary *lib = osUtils::dynLibrary::open(libName); 32 if (!lib) { 33 printf("Failed to open %s\n", libName); 34 return NULL; 35 } 36 s_egl.eglGetError = (eglGetError_t) lib->findSymbol("eglGetError"); 37 s_egl.eglGetDisplay = (eglGetDisplay_t) lib->findSymbol("eglGetDisplay"); 38 s_egl.eglInitialize = (eglInitialize_t) lib->findSymbol("eglInitialize"); 39 s_egl.eglTerminate = (eglTerminate_t) lib->findSymbol("eglTerminate"); 40 s_egl.eglQueryString = (eglQueryString_t) lib->findSymbol("eglQueryString"); 41 s_egl.eglGetConfigs = (eglGetConfigs_t) lib->findSymbol("eglGetConfigs"); 42 s_egl.eglChooseConfig = (eglChooseConfig_t) lib->findSymbol("eglChooseConfig"); 43 s_egl.eglGetConfigAttrib = (eglGetConfigAttrib_t) lib->findSymbol("eglGetConfigAttrib"); 44 s_egl.eglCreateWindowSurface = (eglCreateWindowSurface_t) lib->findSymbol("eglCreateWindowSurface"); 45 s_egl.eglCreatePbufferSurface = (eglCreatePbufferSurface_t) lib->findSymbol("eglCreatePbufferSurface"); 46 s_egl.eglCreatePixmapSurface = (eglCreatePixmapSurface_t) lib->findSymbol("eglCreatePixmapSurface"); 47 s_egl.eglDestroySurface = (eglDestroySurface_t) lib->findSymbol("eglDestroySurface"); 48 s_egl.eglQuerySurface = (eglQuerySurface_t) lib->findSymbol("eglQuerySurface"); 49 s_egl.eglBindAPI = (eglBindAPI_t) lib->findSymbol("eglBindAPI"); 50 s_egl.eglQueryAPI = (eglQueryAPI_t) lib->findSymbol("eglQueryAPI"); 51 s_egl.eglWaitClient = (eglWaitClient_t) lib->findSymbol("eglWaitClient"); 52 s_egl.eglReleaseThread = (eglReleaseThread_t) lib->findSymbol("eglReleaseThread"); 53 s_egl.eglCreatePbufferFromClientBuffer = (eglCreatePbufferFromClientBuffer_t) lib->findSymbol("eglCreatePbufferFromClientBuffer"); 54 s_egl.eglSurfaceAttrib = (eglSurfaceAttrib_t) lib->findSymbol("eglSurfaceAttrib"); 55 s_egl.eglBindTexImage = (eglBindTexImage_t) lib->findSymbol("eglBindTexImage"); 56 s_egl.eglReleaseTexImage = (eglReleaseTexImage_t) lib->findSymbol("eglReleaseTexImage"); 57 s_egl.eglSwapInterval = (eglSwapInterval_t) lib->findSymbol("eglSwapInterval"); 58 s_egl.eglCreateContext = (eglCreateContext_t) lib->findSymbol("eglCreateContext"); 59 s_egl.eglDestroyContext = (eglDestroyContext_t) lib->findSymbol("eglDestroyContext"); 60 s_egl.eglMakeCurrent = (eglMakeCurrent_t) lib->findSymbol("eglMakeCurrent"); 61 s_egl.eglGetCurrentContext = (eglGetCurrentContext_t) lib->findSymbol("eglGetCurrentContext"); 62 s_egl.eglGetCurrentSurface = (eglGetCurrentSurface_t) lib->findSymbol("eglGetCurrentSurface"); 63 s_egl.eglGetCurrentDisplay = (eglGetCurrentDisplay_t) lib->findSymbol("eglGetCurrentDisplay"); 64 s_egl.eglQueryContext = (eglQueryContext_t) lib->findSymbol("eglQueryContext"); 65 s_egl.eglWaitGL = (eglWaitGL_t) lib->findSymbol("eglWaitGL"); 66 s_egl.eglWaitNative = (eglWaitNative_t) lib->findSymbol("eglWaitNative"); 67 s_egl.eglSwapBuffers = (eglSwapBuffers_t) lib->findSymbol("eglSwapBuffers"); 68 s_egl.eglCopyBuffers = (eglCopyBuffers_t) lib->findSymbol("eglCopyBuffers"); 69 s_egl.eglGetProcAddress = (eglGetProcAddress_t) lib->findSymbol("eglGetProcAddress"); 70 71 #define INIT_EGL_EXT_FUNC(name) \ 72 if (s_egl.eglGetProcAddress) s_egl.name = (name ## _t) s_egl.eglGetProcAddress(#name); \ 73 if (!s_egl.name || !s_egl.eglGetProcAddress) s_egl.name = (name ## _t) lib->findSymbol(#name) 74 75 INIT_EGL_EXT_FUNC(eglLockSurfaceKHR); 76 INIT_EGL_EXT_FUNC(eglUnlockSurfaceKHR); 77 INIT_EGL_EXT_FUNC(eglCreateImageKHR); 78 INIT_EGL_EXT_FUNC(eglDestroyImageKHR); 79 INIT_EGL_EXT_FUNC(eglCreateSyncKHR); 80 INIT_EGL_EXT_FUNC(eglDestroySyncKHR); 81 INIT_EGL_EXT_FUNC(eglClientWaitSyncKHR); 82 INIT_EGL_EXT_FUNC(eglSignalSyncKHR); 83 INIT_EGL_EXT_FUNC(eglGetSyncAttribKHR); 84 INIT_EGL_EXT_FUNC(eglSetSwapRectangleANDROID); 85 86 return true; 87 } 88