194cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall/* 2de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** Copyright 2007, The Android Open Source Project 3de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** 494cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall ** Licensed under the Apache License, Version 2.0 (the "License"); 594cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall ** you may not use this file except in compliance with the License. 694cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall ** You may obtain a copy of the License at 7de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** 894cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall ** http://www.apache.org/licenses/LICENSE-2.0 9de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** 1094cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall ** Unless required by applicable law or agreed to in writing, software 1194cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall ** distributed under the License is distributed on an "AS IS" BASIS, 1294cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1394cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall ** 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> 24993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian#include <dirent.h> 25de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 26de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <cutils/log.h> 2780b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner#include <cutils/properties.h> 28de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 29de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <EGL/egl.h> 30de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 3139c24a20bbc697630d2b92c251b70c04d6f9d00cMathias Agopian#include "../glestrace.h" 3239c24a20bbc697630d2b92c251b70c04d6f9d00cMathias Agopian 331cadb25da1ed875bdd078270e642966724a0c39aMathias Agopian#include "egldefs.h" 34de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include "Loader.h" 35de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 36de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 37de58697644a52a614ad9498aa087e95d4a223673Mathias Agopiannamespace android { 38de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 39de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 40de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 41de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian/* 42993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * EGL userspace drivers must be provided either: 43993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * - as a single library: 44993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * /vendor/lib/egl/libGLES.so 45993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * 46993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * - as separate libraries: 47993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * /vendor/lib/egl/libEGL.so 48993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * /vendor/lib/egl/libGLESv1_CM.so 49993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * /vendor/lib/egl/libGLESv2.so 50993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * 51993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * The software renderer for the emulator must be provided as a single 52993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * library at: 53993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * 54993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * /system/lib/egl/libGLES_android.so 55993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * 56993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * 57993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * For backward compatibility and to facilitate the transition to 58993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * this new naming scheme, the loader will additionally look for: 5994cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall * 60993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * /{vendor|system}/lib/egl/lib{GLES | [EGL|GLESv1_CM|GLESv2]}_*.so 6194cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall * 62de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian */ 63de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 64de58697644a52a614ad9498aa087e95d4a223673Mathias AgopianANDROID_SINGLETON_STATIC_INSTANCE( Loader ) 65de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 6680b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner/* This function is called to check whether we run inside the emulator, 6780b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * and if this is the case whether GLES GPU emulation is supported. 6880b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * 6980b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * Returned values are: 7080b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * -1 -> not running inside the emulator 7180b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * 0 -> running inside the emulator, but GPU emulation not supported 7280b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * 1 -> running inside the emulator, GPU emulation is supported 7380b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * through the "emulation" config. 7480b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner */ 7580b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turnerstatic int 7680b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' TurnercheckGlesEmulationStatus(void) 7780b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner{ 7880b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner /* We're going to check for the following kernel parameters: 7980b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * 8080b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * qemu=1 -> tells us that we run inside the emulator 8180b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * android.qemu.gles=<number> -> tells us the GLES GPU emulation status 8280b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * 8380b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * Note that we will return <number> if we find it. This let us support 8480b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * more additionnal emulation modes in the future. 8580b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner */ 8680b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner char prop[PROPERTY_VALUE_MAX]; 8780b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner int result = -1; 8880b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner 8980b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner /* First, check for qemu=1 */ 9080b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner property_get("ro.kernel.qemu",prop,"0"); 9180b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner if (atoi(prop) != 1) 9280b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner return -1; 9380b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner 9480b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner /* We are in the emulator, get GPU status value */ 9580b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner property_get("ro.kernel.qemu.gles",prop,"0"); 9680b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner return atoi(prop); 9780b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner} 9880b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner 99de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 100de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 101d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopianstatic char const * getProcessCmdline() { 102d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian long pid = getpid(); 103d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian char procPath[128]; 104d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian snprintf(procPath, 128, "/proc/%ld/cmdline", pid); 105d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian FILE * file = fopen(procPath, "r"); 106d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian if (file) { 107d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian static char cmdline[256]; 108d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian char *str = fgets(cmdline, sizeof(cmdline) - 1, file); 109d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian fclose(file); 110d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian if (str) { 111d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian return cmdline; 112d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian } 113d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian } 114d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian return NULL; 115d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian} 116d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian 117d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian// ---------------------------------------------------------------------------- 118d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian 11994cdba97ce1de140623d84c14fb15f12f7da89ddJesse HallLoader::driver_t::driver_t(void* gles) 120de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 121de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[0] = gles; 122de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian for (size_t i=1 ; i<NELEM(dso) ; i++) 123de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[i] = 0; 124de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 125de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 12694cdba97ce1de140623d84c14fb15f12f7da89ddJesse HallLoader::driver_t::~driver_t() 127de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 128de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian for (size_t i=0 ; i<NELEM(dso) ; i++) { 129de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (dso[i]) { 130de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dlclose(dso[i]); 131de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[i] = 0; 132de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 133de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 134de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 135de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 136de58697644a52a614ad9498aa087e95d4a223673Mathias Agopianstatus_t Loader::driver_t::set(void* hnd, int32_t api) 137de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 138de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian switch (api) { 139de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian case EGL: 140de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[0] = hnd; 141de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian break; 142de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian case GLESv1_CM: 143de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[1] = hnd; 144de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian break; 145de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian case GLESv2: 146de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[2] = hnd; 147de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian break; 148de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian default: 149de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return BAD_INDEX; 150de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 151de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return NO_ERROR; 152de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 153de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 154de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 155de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 156de58697644a52a614ad9498aa087e95d4a223673Mathias AgopianLoader::Loader() 157993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian : getProcAddress(NULL) { 158de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 159de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 160993814255fc248454368ed9fe34b4703a05eaf99Mathias AgopianLoader::~Loader() { 1610469dd6d55fa331bfd7de9431da98b6340d82271Siva Velusamy GLTrace_stop(); 162de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 163de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 164c07b52060acd627c8510c1a9151e0753fce76330Jesse Hallstatic void* load_wrapper(const char* path) { 165c07b52060acd627c8510c1a9151e0753fce76330Jesse Hall void* so = dlopen(path, RTLD_NOW | RTLD_LOCAL); 166c07b52060acd627c8510c1a9151e0753fce76330Jesse Hall ALOGE_IF(!so, "dlopen(\"%s\") failed: %s", path, dlerror()); 167c07b52060acd627c8510c1a9151e0753fce76330Jesse Hall return so; 168c07b52060acd627c8510c1a9151e0753fce76330Jesse Hall} 169c07b52060acd627c8510c1a9151e0753fce76330Jesse Hall 170ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopianvoid* Loader::open(egl_connection_t* cnx) 171de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 172de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian void* dso; 173de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian driver_t* hnd = 0; 17494cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall 175993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian dso = load_driver("GLES", cnx, EGL | GLESv1_CM | GLESv2); 176993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (dso) { 177993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian hnd = new driver_t(dso); 178993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } else { 179993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // Always load EGL first 180993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian dso = load_driver("EGL", cnx, EGL); 181de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (dso) { 182de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian hnd = new driver_t(dso); 183993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian hnd->set( load_driver("GLESv1_CM", cnx, GLESv1_CM), GLESv1_CM ); 184993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian hnd->set( load_driver("GLESv2", cnx, GLESv2), GLESv2 ); 185de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 186de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 187de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 188993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian LOG_ALWAYS_FATAL_IF(!hnd, "couldn't find an OpenGL ES implementation"); 189c07b52060acd627c8510c1a9151e0753fce76330Jesse Hall 1908edb8f5f2d016e4e31530ad7a0c44a4a7a853f64Dan Willemsen#if defined(__LP64__) 191c0ec5e2333b6350480851b8b48f000c78ea3f88aMichael Chock cnx->libEgl = load_wrapper("/system/lib64/libEGL.so"); 1928edb8f5f2d016e4e31530ad7a0c44a4a7a853f64Dan Willemsen cnx->libGles2 = load_wrapper("/system/lib64/libGLESv2.so"); 1938edb8f5f2d016e4e31530ad7a0c44a4a7a853f64Dan Willemsen cnx->libGles1 = load_wrapper("/system/lib64/libGLESv1_CM.so"); 1948edb8f5f2d016e4e31530ad7a0c44a4a7a853f64Dan Willemsen#else 195c0ec5e2333b6350480851b8b48f000c78ea3f88aMichael Chock cnx->libEgl = load_wrapper("/system/lib/libEGL.so"); 19694cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall cnx->libGles2 = load_wrapper("/system/lib/libGLESv2.so"); 19794cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall cnx->libGles1 = load_wrapper("/system/lib/libGLESv1_CM.so"); 1988edb8f5f2d016e4e31530ad7a0c44a4a7a853f64Dan Willemsen#endif 199c0ec5e2333b6350480851b8b48f000c78ea3f88aMichael Chock LOG_ALWAYS_FATAL_IF(!cnx->libEgl, 200c0ec5e2333b6350480851b8b48f000c78ea3f88aMichael Chock "couldn't load system EGL wrapper libraries"); 201c0ec5e2333b6350480851b8b48f000c78ea3f88aMichael Chock 202c07b52060acd627c8510c1a9151e0753fce76330Jesse Hall LOG_ALWAYS_FATAL_IF(!cnx->libGles2 || !cnx->libGles1, 203c07b52060acd627c8510c1a9151e0753fce76330Jesse Hall "couldn't load system OpenGL ES wrapper libraries"); 204c07b52060acd627c8510c1a9151e0753fce76330Jesse Hall 205de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return (void*)hnd; 206de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 207de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 208de58697644a52a614ad9498aa087e95d4a223673Mathias Agopianstatus_t Loader::close(void* driver) 209de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 210de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian driver_t* hnd = (driver_t*)driver; 211de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian delete hnd; 212de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return NO_ERROR; 213de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 214de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 21594cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hallvoid Loader::init_api(void* dso, 21694cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall char const * const * api, 21794cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall __eglMustCastToProperFunctionPointerType* curr, 21894cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall getProcAddressType getProcAddress) 219de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 2207773c435bc5da8217433e1b242d3a6712a17b5f7Mathias Agopian const ssize_t SIZE = 256; 2210ad71a97c6061e3b12d2308bd43e02dfeeb63db4Mathias Agopian char scrap[SIZE]; 222de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian while (*api) { 223de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char const * name = *api; 22494cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall __eglMustCastToProperFunctionPointerType f = 225de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian (__eglMustCastToProperFunctionPointerType)dlsym(dso, name); 226de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 227de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // couldn't find the entry-point, use eglGetProcAddress() 228de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = getProcAddress(name); 229de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 230de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 231de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // Try without the OES postfix 232de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ssize_t index = ssize_t(strlen(name)) - 3; 2330ad71a97c6061e3b12d2308bd43e02dfeeb63db4Mathias Agopian if ((index>0 && (index<SIZE-1)) && (!strcmp(name+index, "OES"))) { 234de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian strncpy(scrap, name, index); 235de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian scrap[index] = 0; 236de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = (__eglMustCastToProperFunctionPointerType)dlsym(dso, scrap); 2379d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block //ALOGD_IF(f, "found <%s> instead", scrap); 238de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 239de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 240de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 241de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // Try with the OES postfix 2420ad71a97c6061e3b12d2308bd43e02dfeeb63db4Mathias Agopian ssize_t index = ssize_t(strlen(name)) - 3; 2430ad71a97c6061e3b12d2308bd43e02dfeeb63db4Mathias Agopian if (index>0 && strcmp(name+index, "OES")) { 2440ad71a97c6061e3b12d2308bd43e02dfeeb63db4Mathias Agopian snprintf(scrap, SIZE, "%sOES", name); 245de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = (__eglMustCastToProperFunctionPointerType)dlsym(dso, scrap); 2469d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block //ALOGD_IF(f, "found <%s> instead", scrap); 247de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 248de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 249de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 2509d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block //ALOGD("%s", name); 251de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = (__eglMustCastToProperFunctionPointerType)gl_unimplemented; 25248d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian 25348d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian /* 25448d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian * GL_EXT_debug_label is special, we always report it as 25548d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian * supported, it's handled by GLES_trace. If GLES_trace is not 25648d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian * enabled, then these are no-ops. 25748d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian */ 25848d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian if (!strcmp(name, "glInsertEventMarkerEXT")) { 25948d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian f = (__eglMustCastToProperFunctionPointerType)gl_noop; 26048d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian } else if (!strcmp(name, "glPushGroupMarkerEXT")) { 26148d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian f = (__eglMustCastToProperFunctionPointerType)gl_noop; 26248d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian } else if (!strcmp(name, "glPopGroupMarkerEXT")) { 26348d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian f = (__eglMustCastToProperFunctionPointerType)gl_noop; 26448d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian } 265de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 266de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian *curr++ = f; 267de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian api++; 268de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 269de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 270de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 271993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopianvoid *Loader::load_driver(const char* kind, 272618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian egl_connection_t* cnx, uint32_t mask) 273de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 274993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian class MatchFile { 275993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian public: 276993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian static String8 find(const char* kind) { 277993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian String8 result; 278993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian String8 pattern; 279993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian pattern.appendFormat("lib%s", kind); 280993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian const char* const searchPaths[] = { 2818edb8f5f2d016e4e31530ad7a0c44a4a7a853f64Dan Willemsen#if defined(__LP64__) 2828edb8f5f2d016e4e31530ad7a0c44a4a7a853f64Dan Willemsen "/vendor/lib64/egl", 2838edb8f5f2d016e4e31530ad7a0c44a4a7a853f64Dan Willemsen "/system/lib64/egl" 2848edb8f5f2d016e4e31530ad7a0c44a4a7a853f64Dan Willemsen#else 285993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian "/vendor/lib/egl", 286993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian "/system/lib/egl" 2878edb8f5f2d016e4e31530ad7a0c44a4a7a853f64Dan Willemsen#endif 288993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian }; 289993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 290993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // first, we search for the exact name of the GLES userspace 291993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // driver in both locations. 292993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // i.e.: 293993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // libGLES.so, or: 294993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // libEGL.so, libGLESv1_CM.so, libGLESv2.so 295993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 296993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian for (size_t i=0 ; i<NELEM(searchPaths) ; i++) { 297993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (find(result, pattern, searchPaths[i], true)) { 298993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return result; 299993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 300993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 301993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 302993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // for compatibility with the old "egl.cfg" naming convention 303993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // we look for files that match: 304993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // libGLES_*.so, or: 305993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // libEGL_*.so, libGLESv1_CM_*.so, libGLESv2_*.so 306993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 307993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian pattern.append("_"); 308993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian for (size_t i=0 ; i<NELEM(searchPaths) ; i++) { 309993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (find(result, pattern, searchPaths[i], false)) { 310993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return result; 311993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 312993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 313993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 314993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // we didn't find the driver. gah. 315993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian result.clear(); 316993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return result; 317993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 318993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 319993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian private: 320993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian static bool find(String8& result, 321993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian const String8& pattern, const char* const search, bool exact) { 322993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 323993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // in the emulator case, we just return the hardcoded name 324993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // of the software renderer. 325993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (checkGlesEmulationStatus() == 0) { 326993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian ALOGD("Emulator without GPU support detected. " 327993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian "Fallback to software renderer."); 3288edb8f5f2d016e4e31530ad7a0c44a4a7a853f64Dan Willemsen#if defined(__LP64__) 3298edb8f5f2d016e4e31530ad7a0c44a4a7a853f64Dan Willemsen result.setTo("/system/lib64/egl/libGLES_android.so"); 3308edb8f5f2d016e4e31530ad7a0c44a4a7a853f64Dan Willemsen#else 331993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian result.setTo("/system/lib/egl/libGLES_android.so"); 3328edb8f5f2d016e4e31530ad7a0c44a4a7a853f64Dan Willemsen#endif 333993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return true; 334993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 335993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 336993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (exact) { 337993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian String8 absolutePath; 338993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian absolutePath.appendFormat("%s/%s.so", search, pattern.string()); 339993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (!access(absolutePath.string(), R_OK)) { 340993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian result = absolutePath; 341993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return true; 342993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 343993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return false; 344993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 345993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 346993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian DIR* d = opendir(search); 347993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (d != NULL) { 348993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian struct dirent cur; 349993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian struct dirent* e; 350993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian while (readdir_r(d, &cur, &e) == 0 && e) { 351993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (e->d_type == DT_DIR) { 352993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian continue; 353993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 354993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (!strcmp(e->d_name, "libGLES_android.so")) { 355993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // always skip the software renderer 356993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian continue; 357993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 358993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (strstr(e->d_name, pattern.string()) == e->d_name) { 359993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (!strcmp(e->d_name + strlen(e->d_name) - 3, ".so")) { 360993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian result.clear(); 361993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian result.appendFormat("%s/%s", search, e->d_name); 362993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian closedir(d); 363993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return true; 364993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 365993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 366993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 367993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian closedir(d); 368993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 369993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return false; 3702b9e4f6a2490864ead44e88a68da78be5cb3da22Brian Swetland } 371993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian }; 372993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 373993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 374993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian String8 absolutePath = MatchFile::find(kind); 375993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (absolutePath.isEmpty()) { 376993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // this happens often, we don't want to log an error 377993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return 0; 3788c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian } 379993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian const char* const driver_absolute_path = absolutePath.string(); 3808c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian 3818c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian void* dso = dlopen(driver_absolute_path, RTLD_NOW | RTLD_LOCAL); 3828c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian if (dso == 0) { 3838c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian const char* err = dlerror(); 384e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("load_driver(%s): %s", driver_absolute_path, err?err:"unknown"); 3858c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian return 0; 3868c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian } 387de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 3889d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block ALOGD("loaded %s", driver_absolute_path); 389baca89c06a40c6c19ae2294fb4263d893126320cMathias Agopian 390de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (mask & EGL) { 391de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian getProcAddress = (getProcAddressType)dlsym(dso, "eglGetProcAddress"); 392de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 39394cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall ALOGE_IF(!getProcAddress, 3948c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian "can't find eglGetProcAddress() in %s", driver_absolute_path); 395de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 396618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian egl_t* egl = &cnx->egl; 397de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian __eglMustCastToProperFunctionPointerType* curr = 398de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian (__eglMustCastToProperFunctionPointerType*)egl; 399de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char const * const * api = egl_names; 400de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian while (*api) { 401de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char const * name = *api; 40294cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall __eglMustCastToProperFunctionPointerType f = 403de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian (__eglMustCastToProperFunctionPointerType)dlsym(dso, name); 404de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 405de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // couldn't find the entry-point, use eglGetProcAddress() 406de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = getProcAddress(name); 407de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 408de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = (__eglMustCastToProperFunctionPointerType)0; 409de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 410de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 411de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian *curr++ = f; 412de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian api++; 413de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 414de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 41594cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall 416de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (mask & GLESv1_CM) { 417618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian init_api(dso, gl_names, 418618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian (__eglMustCastToProperFunctionPointerType*) 4197773c435bc5da8217433e1b242d3a6712a17b5f7Mathias Agopian &cnx->hooks[egl_connection_t::GLESv1_INDEX]->gl, 420618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian getProcAddress); 421de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 422de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 423de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (mask & GLESv2) { 424618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian init_api(dso, gl_names, 425618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian (__eglMustCastToProperFunctionPointerType*) 4267773c435bc5da8217433e1b242d3a6712a17b5f7Mathias Agopian &cnx->hooks[egl_connection_t::GLESv2_INDEX]->gl, 427de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian getProcAddress); 428de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 42994cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall 430de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return dso; 431de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 432de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 433de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 434de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian}; // namespace android 435de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 436