Loader.cpp revision de58697644a52a614ad9498aa087e95d4a223673
1de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian/* 2de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** Copyright 2007, The Android Open Source Project 3de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** 4de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** Licensed under the Apache License, Version 2.0 (the "License"); 5de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** you may not use this file except in compliance with the License. 6de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** You may obtain a copy of the License at 7de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** 8de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** http://www.apache.org/licenses/LICENSE-2.0 9de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** 10de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** Unless required by applicable law or agreed to in writing, software 11de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** distributed under the License is distributed on an "AS IS" BASIS, 12de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** See the License for the specific language governing permissions and 14de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** limitations under the License. 15de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian */ 16de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 17de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <ctype.h> 18de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <stdlib.h> 19de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <stdio.h> 20de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <string.h> 21de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <errno.h> 22de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <dlfcn.h> 23de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <limits.h> 24de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 25de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <cutils/log.h> 26de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 27de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <EGL/egl.h> 28de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 29de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include "hooks.h" 30de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include "egl_impl.h" 31de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 32de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include "Loader.h" 33de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 34de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 35de58697644a52a614ad9498aa087e95d4a223673Mathias Agopiannamespace android { 36de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 37de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 38de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 39de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian/* 40de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian * EGL drivers are called 41de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian * 42de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian * /system/lib/egl/lib{[EGL|GLESv1_CM|GLESv2] | GLES}_$TAG.so 43de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian * 44de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian */ 45de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 46de58697644a52a614ad9498aa087e95d4a223673Mathias AgopianANDROID_SINGLETON_STATIC_INSTANCE( Loader ) 47de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 48de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 49de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 50de58697644a52a614ad9498aa087e95d4a223673Mathias AgopianLoader::driver_t::driver_t(void* gles) 51de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 52de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[0] = gles; 53de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian for (size_t i=1 ; i<NELEM(dso) ; i++) 54de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[i] = 0; 55de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 56de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 57de58697644a52a614ad9498aa087e95d4a223673Mathias AgopianLoader::driver_t::~driver_t() 58de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 59de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian for (size_t i=0 ; i<NELEM(dso) ; i++) { 60de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (dso[i]) { 61de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dlclose(dso[i]); 62de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[i] = 0; 63de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 64de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 65de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 66de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 67de58697644a52a614ad9498aa087e95d4a223673Mathias Agopianstatus_t Loader::driver_t::set(void* hnd, int32_t api) 68de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 69de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian switch (api) { 70de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian case EGL: 71de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[0] = hnd; 72de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian break; 73de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian case GLESv1_CM: 74de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[1] = hnd; 75de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian break; 76de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian case GLESv2: 77de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[2] = hnd; 78de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian break; 79de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian default: 80de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return BAD_INDEX; 81de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 82de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return NO_ERROR; 83de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 84de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 85de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 86de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 87de58697644a52a614ad9498aa087e95d4a223673Mathias AgopianLoader::entry_t::entry_t(int dpy, int impl, const char* tag) 88de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian : dpy(dpy), impl(impl), tag(tag) { 89de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 90de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 91de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 92de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 93de58697644a52a614ad9498aa087e95d4a223673Mathias AgopianLoader::Loader() 94de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 95de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char line[256]; 96de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char tag[256]; 97de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian FILE* cfg = fopen("/system/lib/egl/egl.cfg", "r"); 98de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (cfg == NULL) { 99de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // default config 100de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian LOGD("egl.cfg not found, using default config"); 101de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian gConfig.add( entry_t(0, 0, "android") ); 102de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } else { 103de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian while (fgets(line, 256, cfg)) { 104de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian int dpy; 105de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian int impl; 106de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (sscanf(line, "%u %u %s", &dpy, &impl, tag) == 3) { 107de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian LOGD(">>> %u %u %s", dpy, impl, tag); 108de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian gConfig.add( entry_t(dpy, impl, tag) ); 109de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 110de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 111de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian fclose(cfg); 112de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 113de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 114de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 115de58697644a52a614ad9498aa087e95d4a223673Mathias AgopianLoader::~Loader() 116de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 117de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 118de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 119de58697644a52a614ad9498aa087e95d4a223673Mathias Agopianconst char* Loader::getTag(int dpy, int impl) 120de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 121de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian const Vector<entry_t>& cfgs(gConfig); 122de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian const size_t c = cfgs.size(); 123de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian for (size_t i=0 ; i<c ; i++) { 124de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (dpy == cfgs[i].dpy) 125de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (impl == cfgs[i].impl) 126de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return cfgs[i].tag.string(); 127de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 128de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return 0; 129de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 130de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 131de58697644a52a614ad9498aa087e95d4a223673Mathias Agopianvoid* Loader::open(EGLNativeDisplayType display, int impl, gl_hooks_t* hooks) 132de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 133de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian /* 134de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian * TODO: if we don't find display/0, then use 0/0 135de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian * (0/0 should always work) 136de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian */ 137de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 138de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian void* dso; 139de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char path[PATH_MAX]; 140de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian int index = int(display); 141de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian driver_t* hnd = 0; 142de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian const char* const format = "egl/lib%s_%s.so"; 143de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 144de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char const* tag = getTag(index, impl); 145de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (tag) { 146de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian snprintf(path, PATH_MAX, format, "GLES", tag); 147de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso = load_driver(path, hooks, EGL | GLESv1_CM | GLESv2); 148de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (dso) { 149de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian hnd = new driver_t(dso); 150de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } else { 151de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // Always load EGL first 152de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian snprintf(path, PATH_MAX, "lib%s_%s.so", "EGL", tag); 153de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso = load_driver(path, hooks, EGL); 154de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (dso) { 155de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian hnd = new driver_t(dso); 156de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 157de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // TODO: make this more automated 158de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian snprintf(path, PATH_MAX, format, "GLESv1_CM", tag); 159de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian hnd->set( load_driver(path, hooks, GLESv1_CM), GLESv1_CM ); 160de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 161de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian snprintf(path, PATH_MAX, format, "GLESv2", tag); 162de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian hnd->set( load_driver(path, hooks, GLESv2), GLESv2 ); 163de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 164de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 165de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 166de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 167de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian LOG_FATAL_IF(!index && !impl && !hnd, 168de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian "couldn't't find the default OpenGL ES implementation " 169de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian "for default display"); 170de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 171de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return (void*)hnd; 172de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 173de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 174de58697644a52a614ad9498aa087e95d4a223673Mathias Agopianstatus_t Loader::close(void* driver) 175de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 176de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian driver_t* hnd = (driver_t*)driver; 177de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian delete hnd; 178de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return NO_ERROR; 179de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 180de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 181de58697644a52a614ad9498aa087e95d4a223673Mathias Agopianvoid Loader::init_api(void* dso, 182de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char const * const * api, 183de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian __eglMustCastToProperFunctionPointerType* curr, 184de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian getProcAddressType getProcAddress) 185de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 186de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char scrap[256]; 187de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian while (*api) { 188de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char const * name = *api; 189de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian __eglMustCastToProperFunctionPointerType f = 190de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian (__eglMustCastToProperFunctionPointerType)dlsym(dso, name); 191de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 192de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // couldn't find the entry-point, use eglGetProcAddress() 193de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = getProcAddress(name); 194de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 195de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 196de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // Try without the OES postfix 197de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ssize_t index = ssize_t(strlen(name)) - 3; 198de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if ((index>0 && (index<255)) && (!strcmp(name+index, "OES"))) { 199de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian strncpy(scrap, name, index); 200de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian scrap[index] = 0; 201de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = (__eglMustCastToProperFunctionPointerType)dlsym(dso, scrap); 202de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian //LOGD_IF(f, "found <%s> instead", scrap); 203de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 204de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 205de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 206de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // Try with the OES postfix 207de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ssize_t index = ssize_t(strlen(name)) - 3; 208de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if ((index>0 && (index<252)) && (strcmp(name+index, "OES"))) { 209de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian strncpy(scrap, name, index); 210de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian scrap[index] = 0; 211de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian strcat(scrap, "OES"); 212de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = (__eglMustCastToProperFunctionPointerType)dlsym(dso, scrap); 213de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian //LOGD_IF(f, "found <%s> instead", scrap); 214de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 215de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 216de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 217de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian //LOGD("%s", name); 218de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = (__eglMustCastToProperFunctionPointerType)gl_unimplemented; 219de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 220de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian *curr++ = f; 221de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian api++; 222de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 223de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 224de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 225de58697644a52a614ad9498aa087e95d4a223673Mathias Agopianvoid *Loader::load_driver(const char* driver, gl_hooks_t* hooks, uint32_t mask) 226de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 227de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian //LOGD("%s", driver); 228de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian void* dso = dlopen(driver, RTLD_NOW | RTLD_LOCAL); 229de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian LOGE_IF(!dso, 230de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian "couldn't load <%s> library (%s)", 231de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian driver, dlerror()); 232de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (dso == 0) 233de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return 0; 234de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 235de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (mask & EGL) { 236de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian getProcAddress = (getProcAddressType)dlsym(dso, "eglGetProcAddress"); 237de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 238de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian LOGE_IF(!getProcAddress, 239de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian "can't find eglGetProcAddress() in %s", driver); 240de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 241de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian gl_hooks_t::egl_t* egl = &hooks->egl; 242de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian __eglMustCastToProperFunctionPointerType* curr = 243de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian (__eglMustCastToProperFunctionPointerType*)egl; 244de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char const * const * api = egl_names; 245de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian while (*api) { 246de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char const * name = *api; 247de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian __eglMustCastToProperFunctionPointerType f = 248de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian (__eglMustCastToProperFunctionPointerType)dlsym(dso, name); 249de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 250de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // couldn't find the entry-point, use eglGetProcAddress() 251de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = getProcAddress(name); 252de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 253de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = (__eglMustCastToProperFunctionPointerType)0; 254de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 255de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 256de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian *curr++ = f; 257de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian api++; 258de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 259de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 260de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 261de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (mask & GLESv1_CM) { 262de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian init_api(dso, gl_names, 263de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian (__eglMustCastToProperFunctionPointerType*)&hooks->gl, 264de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian getProcAddress); 265de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 266de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 267de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (mask & GLESv2) { 268de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian init_api(dso, gl2_names, 269de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian (__eglMustCastToProperFunctionPointerType*)&hooks->gl2, 270de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian getProcAddress); 271de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 272de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 273de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return dso; 274de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 275de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 276de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 277de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian}; // namespace android 278de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 279