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 #ifdef WITH_GLES2 17 #include "GL2Dispatch.h" 18 #include <stdio.h> 19 #include <stdlib.h> 20 #include "osDynLibrary.h" 21 22 gl2_decoder_context_t s_gl2; 23 int s_gl2_enabled; 24 25 static osUtils::dynLibrary *s_gles2_lib = NULL; 26 27 #define DEFAULT_GLES_V2_LIB EMUGL_LIBNAME("GLES_V2_translator") 28 29 // 30 // This function is called only once during initialiation before 31 // any thread has been created - hence it should NOT be thread safe. 32 // init_gl2_dispatch()33bool init_gl2_dispatch() 34 { 35 const char *libName = getenv("ANDROID_GLESv2_LIB"); 36 if (!libName) libName = DEFAULT_GLES_V2_LIB; 37 38 // 39 // Load the GLES library 40 // 41 s_gles2_lib = osUtils::dynLibrary::open(libName); 42 if (!s_gles2_lib) return false; 43 44 // 45 // init the GLES dispatch table 46 // 47 s_gl2.initDispatchByName( gl2_dispatch_get_proc_func, NULL ); 48 s_gl2_enabled = true; 49 return true; 50 } 51 52 // 53 // This function is called only during initialiation before 54 // any thread has been created - hence it should NOT be thread safe. 55 // gl2_dispatch_get_proc_func(const char * name,void * userData)56void *gl2_dispatch_get_proc_func(const char *name, void *userData) 57 { 58 if (!s_gles2_lib) { 59 return NULL; 60 } 61 return (void *)s_gles2_lib->findSymbol(name); 62 } 63 64 #endif 65