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 17a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall//#define LOG_NDEBUG 0 18bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hall#define ATRACE_TAG ATRACE_TAG_GRAPHICS 19a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall 20a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall#include <array> 21de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <ctype.h> 22de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <stdlib.h> 23de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <stdio.h> 24de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <string.h> 25de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <errno.h> 26de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <dlfcn.h> 27de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <limits.h> 28993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian#include <dirent.h> 29de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 30a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall#include <android/dlext.h> 31de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <cutils/log.h> 3280b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner#include <cutils/properties.h> 33bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hall#include <utils/Trace.h> 34de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 35de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <EGL/egl.h> 36de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 371cadb25da1ed875bdd078270e642966724a0c39aMathias Agopian#include "egldefs.h" 38de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include "Loader.h" 39de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 40de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 41de58697644a52a614ad9498aa087e95d4a223673Mathias Agopiannamespace android { 42de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 43de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 44de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 45de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian/* 46993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * EGL userspace drivers must be provided either: 47993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * - as a single library: 48993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * /vendor/lib/egl/libGLES.so 49993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * 50993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * - as separate libraries: 51993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * /vendor/lib/egl/libEGL.so 52993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * /vendor/lib/egl/libGLESv1_CM.so 53993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * /vendor/lib/egl/libGLESv2.so 54993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * 55993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * The software renderer for the emulator must be provided as a single 56993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * library at: 57993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * 58993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * /system/lib/egl/libGLES_android.so 59993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * 60993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * 61993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * For backward compatibility and to facilitate the transition to 62993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * this new naming scheme, the loader will additionally look for: 6394cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall * 64993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * /{vendor|system}/lib/egl/lib{GLES | [EGL|GLESv1_CM|GLESv2]}_*.so 6594cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall * 66de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian */ 67de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 68de58697644a52a614ad9498aa087e95d4a223673Mathias AgopianANDROID_SINGLETON_STATIC_INSTANCE( Loader ) 69de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 7080b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner/* This function is called to check whether we run inside the emulator, 7180b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * and if this is the case whether GLES GPU emulation is supported. 7280b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * 7380b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * Returned values are: 7480b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * -1 -> not running inside the emulator 7580b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * 0 -> running inside the emulator, but GPU emulation not supported 7680b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * 1 -> running inside the emulator, GPU emulation is supported 77776951f9db5744c94167d463584e9ee42c849712Nicolas Capens * through the "emulation" host-side OpenGL ES implementation. 78776951f9db5744c94167d463584e9ee42c849712Nicolas Capens * 2 -> running inside the emulator, GPU emulation is supported 79776951f9db5744c94167d463584e9ee42c849712Nicolas Capens * through a guest-side vendor driver's OpenGL ES implementation. 8080b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner */ 8180b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turnerstatic int 8280b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' TurnercheckGlesEmulationStatus(void) 8380b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner{ 8480b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner /* We're going to check for the following kernel parameters: 8580b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * 8680b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * qemu=1 -> tells us that we run inside the emulator 8780b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * android.qemu.gles=<number> -> tells us the GLES GPU emulation status 8880b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * 8980b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * Note that we will return <number> if we find it. This let us support 9080b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * more additionnal emulation modes in the future. 9180b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner */ 9280b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner char prop[PROPERTY_VALUE_MAX]; 9380b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner int result = -1; 9480b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner 9580b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner /* First, check for qemu=1 */ 9680b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner property_get("ro.kernel.qemu",prop,"0"); 9780b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner if (atoi(prop) != 1) 9880b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner return -1; 9980b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner 10080b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner /* We are in the emulator, get GPU status value */ 10169e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu property_get("qemu.gles",prop,"0"); 10280b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner return atoi(prop); 10380b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner} 10480b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner 105de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 106de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 107d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopianstatic char const * getProcessCmdline() { 108d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian long pid = getpid(); 109d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian char procPath[128]; 110d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian snprintf(procPath, 128, "/proc/%ld/cmdline", pid); 111d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian FILE * file = fopen(procPath, "r"); 112d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian if (file) { 113d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian static char cmdline[256]; 114d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian char *str = fgets(cmdline, sizeof(cmdline) - 1, file); 115d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian fclose(file); 116d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian if (str) { 117d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian return cmdline; 118d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian } 119d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian } 120d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian return NULL; 121d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian} 122d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian 123bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hallstatic void* do_dlopen(const char* path, int mode) { 124bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hall ATRACE_CALL(); 125bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hall return dlopen(path, mode); 126bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hall} 127bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hall 128d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian// ---------------------------------------------------------------------------- 129d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian 13094cdba97ce1de140623d84c14fb15f12f7da89ddJesse HallLoader::driver_t::driver_t(void* gles) 131de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 132de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[0] = gles; 133de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian for (size_t i=1 ; i<NELEM(dso) ; i++) 134de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[i] = 0; 135de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 136de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 13794cdba97ce1de140623d84c14fb15f12f7da89ddJesse HallLoader::driver_t::~driver_t() 138de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 139de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian for (size_t i=0 ; i<NELEM(dso) ; i++) { 140de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (dso[i]) { 141de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dlclose(dso[i]); 142de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[i] = 0; 143de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 144de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 145de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 146de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 147de58697644a52a614ad9498aa087e95d4a223673Mathias Agopianstatus_t Loader::driver_t::set(void* hnd, int32_t api) 148de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 149de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian switch (api) { 150de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian case EGL: 151de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[0] = hnd; 152de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian break; 153de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian case GLESv1_CM: 154de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[1] = hnd; 155de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian break; 156de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian case GLESv2: 157de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[2] = hnd; 158de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian break; 159de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian default: 160de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return BAD_INDEX; 161de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 162de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return NO_ERROR; 163de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 164de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 165de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 166de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 167de58697644a52a614ad9498aa087e95d4a223673Mathias AgopianLoader::Loader() 168a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall : getProcAddress(NULL), 169a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall mLibGui(nullptr), 170a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall mGetDriverNamespace(nullptr) 171a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall{ 172a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall // FIXME: See note in GraphicsEnv.h about android_getDriverNamespace(). 173a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall // libgui should already be loaded in any process that uses libEGL, but 174a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall // if for some reason it isn't, then we're not going to get a driver 175a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall // namespace anyway, so don't force it to be loaded. 176a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall mLibGui = dlopen("libgui.so", RTLD_NOLOAD | RTLD_LOCAL | RTLD_LAZY); 177a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall if (!mLibGui) { 178a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall ALOGD("failed to load libgui: %s", dlerror()); 179a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall return; 180a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall } 181a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall mGetDriverNamespace = reinterpret_cast<decltype(mGetDriverNamespace)>( 182a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall dlsym(mLibGui, "android_getDriverNamespace")); 183de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 184de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 185993814255fc248454368ed9fe34b4703a05eaf99Mathias AgopianLoader::~Loader() { 186a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall if (mLibGui) 187a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall dlclose(mLibGui); 188de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 189de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 190c07b52060acd627c8510c1a9151e0753fce76330Jesse Hallstatic void* load_wrapper(const char* path) { 191bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hall void* so = do_dlopen(path, RTLD_NOW | RTLD_LOCAL); 192c07b52060acd627c8510c1a9151e0753fce76330Jesse Hall ALOGE_IF(!so, "dlopen(\"%s\") failed: %s", path, dlerror()); 193c07b52060acd627c8510c1a9151e0753fce76330Jesse Hall return so; 194c07b52060acd627c8510c1a9151e0753fce76330Jesse Hall} 195c07b52060acd627c8510c1a9151e0753fce76330Jesse Hall 196c2466e6f005e9cbeea7764e9d8864fa6bca17633Evgenii Stepanov#ifndef EGL_WRAPPER_DIR 197c2466e6f005e9cbeea7764e9d8864fa6bca17633Evgenii Stepanov#if defined(__LP64__) 198c2466e6f005e9cbeea7764e9d8864fa6bca17633Evgenii Stepanov#define EGL_WRAPPER_DIR "/system/lib64" 199c2466e6f005e9cbeea7764e9d8864fa6bca17633Evgenii Stepanov#else 200c2466e6f005e9cbeea7764e9d8864fa6bca17633Evgenii Stepanov#define EGL_WRAPPER_DIR "/system/lib" 201c2466e6f005e9cbeea7764e9d8864fa6bca17633Evgenii Stepanov#endif 202c2466e6f005e9cbeea7764e9d8864fa6bca17633Evgenii Stepanov#endif 203c2466e6f005e9cbeea7764e9d8864fa6bca17633Evgenii Stepanov 20469e5b1ab80018817b1d4ffbbdb5695ff70168c95bohustatic void setEmulatorGlesValue(void) { 20569e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu char prop[PROPERTY_VALUE_MAX]; 20669e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu property_get("ro.kernel.qemu", prop, "0"); 20769e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu if (atoi(prop) != 1) return; 20869e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu 20969e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu property_get("ro.kernel.qemu.gles",prop,"0"); 21069e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu if (atoi(prop) == 1) { 21169e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu ALOGD("Emulator has host GPU support, qemu.gles is set to 1."); 21269e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu property_set("qemu.gles", "1"); 21369e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu return; 21469e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu } 21569e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu 21669e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu // for now, checking the following 21769e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu // directory is good enough for emulator system images 21869e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu const char* vendor_lib_path = 21969e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu#if defined(__LP64__) 22069e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu "/vendor/lib64/egl"; 22169e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu#else 22269e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu "/vendor/lib/egl"; 22369e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu#endif 22469e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu 22569e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu const bool has_vendor_lib = (access(vendor_lib_path, R_OK) == 0); 22669e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu if (has_vendor_lib) { 22769e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu ALOGD("Emulator has vendor provided software renderer, qemu.gles is set to 2."); 22869e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu property_set("qemu.gles", "2"); 22969e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu } else { 23069e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu ALOGD("Emulator without GPU support detected. " 23169e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu "Fallback to legacy software renderer, qemu.gles is set to 0."); 23269e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu property_set("qemu.gles", "0"); 23369e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu } 23469e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu} 23569e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu 236ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopianvoid* Loader::open(egl_connection_t* cnx) 237de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 238bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hall ATRACE_CALL(); 239bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hall 240de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian void* dso; 241de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian driver_t* hnd = 0; 24294cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall 24369e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu setEmulatorGlesValue(); 24469e5b1ab80018817b1d4ffbbdb5695ff70168c95bohu 245993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian dso = load_driver("GLES", cnx, EGL | GLESv1_CM | GLESv2); 246993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (dso) { 247993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian hnd = new driver_t(dso); 248993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } else { 249993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // Always load EGL first 250993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian dso = load_driver("EGL", cnx, EGL); 251de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (dso) { 252de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian hnd = new driver_t(dso); 253993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian hnd->set( load_driver("GLESv1_CM", cnx, GLESv1_CM), GLESv1_CM ); 254993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian hnd->set( load_driver("GLESv2", cnx, GLESv2), GLESv2 ); 255de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 256de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 257de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 258993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian LOG_ALWAYS_FATAL_IF(!hnd, "couldn't find an OpenGL ES implementation"); 259c07b52060acd627c8510c1a9151e0753fce76330Jesse Hall 260c2466e6f005e9cbeea7764e9d8864fa6bca17633Evgenii Stepanov cnx->libEgl = load_wrapper(EGL_WRAPPER_DIR "/libEGL.so"); 261c2466e6f005e9cbeea7764e9d8864fa6bca17633Evgenii Stepanov cnx->libGles2 = load_wrapper(EGL_WRAPPER_DIR "/libGLESv2.so"); 262c2466e6f005e9cbeea7764e9d8864fa6bca17633Evgenii Stepanov cnx->libGles1 = load_wrapper(EGL_WRAPPER_DIR "/libGLESv1_CM.so"); 263c2466e6f005e9cbeea7764e9d8864fa6bca17633Evgenii Stepanov 264c0ec5e2333b6350480851b8b48f000c78ea3f88aMichael Chock LOG_ALWAYS_FATAL_IF(!cnx->libEgl, 265c0ec5e2333b6350480851b8b48f000c78ea3f88aMichael Chock "couldn't load system EGL wrapper libraries"); 266c0ec5e2333b6350480851b8b48f000c78ea3f88aMichael Chock 267c07b52060acd627c8510c1a9151e0753fce76330Jesse Hall LOG_ALWAYS_FATAL_IF(!cnx->libGles2 || !cnx->libGles1, 268c07b52060acd627c8510c1a9151e0753fce76330Jesse Hall "couldn't load system OpenGL ES wrapper libraries"); 269c07b52060acd627c8510c1a9151e0753fce76330Jesse Hall 270de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return (void*)hnd; 271de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 272de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 273de58697644a52a614ad9498aa087e95d4a223673Mathias Agopianstatus_t Loader::close(void* driver) 274de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 275de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian driver_t* hnd = (driver_t*)driver; 276de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian delete hnd; 277de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return NO_ERROR; 278de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 279de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 28094cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hallvoid Loader::init_api(void* dso, 28194cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall char const * const * api, 28294cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall __eglMustCastToProperFunctionPointerType* curr, 28394cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall getProcAddressType getProcAddress) 284de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 285bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hall ATRACE_CALL(); 286bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hall 2877773c435bc5da8217433e1b242d3a6712a17b5f7Mathias Agopian const ssize_t SIZE = 256; 2880ad71a97c6061e3b12d2308bd43e02dfeeb63db4Mathias Agopian char scrap[SIZE]; 289de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian while (*api) { 290de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char const * name = *api; 29194cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall __eglMustCastToProperFunctionPointerType f = 292de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian (__eglMustCastToProperFunctionPointerType)dlsym(dso, name); 293de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 294de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // couldn't find the entry-point, use eglGetProcAddress() 295de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = getProcAddress(name); 296de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 297de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 298de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // Try without the OES postfix 299de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ssize_t index = ssize_t(strlen(name)) - 3; 3000ad71a97c6061e3b12d2308bd43e02dfeeb63db4Mathias Agopian if ((index>0 && (index<SIZE-1)) && (!strcmp(name+index, "OES"))) { 301de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian strncpy(scrap, name, index); 302de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian scrap[index] = 0; 303de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = (__eglMustCastToProperFunctionPointerType)dlsym(dso, scrap); 3049d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block //ALOGD_IF(f, "found <%s> instead", scrap); 305de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 306de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 307de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 308de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // Try with the OES postfix 3090ad71a97c6061e3b12d2308bd43e02dfeeb63db4Mathias Agopian ssize_t index = ssize_t(strlen(name)) - 3; 3100ad71a97c6061e3b12d2308bd43e02dfeeb63db4Mathias Agopian if (index>0 && strcmp(name+index, "OES")) { 3110ad71a97c6061e3b12d2308bd43e02dfeeb63db4Mathias Agopian snprintf(scrap, SIZE, "%sOES", name); 312de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = (__eglMustCastToProperFunctionPointerType)dlsym(dso, scrap); 3139d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block //ALOGD_IF(f, "found <%s> instead", scrap); 314de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 315de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 316de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 3179d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block //ALOGD("%s", name); 318de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = (__eglMustCastToProperFunctionPointerType)gl_unimplemented; 31948d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian 32048d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian /* 32148d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian * GL_EXT_debug_label is special, we always report it as 32248d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian * supported, it's handled by GLES_trace. If GLES_trace is not 32348d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian * enabled, then these are no-ops. 32448d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian */ 32548d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian if (!strcmp(name, "glInsertEventMarkerEXT")) { 32648d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian f = (__eglMustCastToProperFunctionPointerType)gl_noop; 32748d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian } else if (!strcmp(name, "glPushGroupMarkerEXT")) { 32848d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian f = (__eglMustCastToProperFunctionPointerType)gl_noop; 32948d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian } else if (!strcmp(name, "glPopGroupMarkerEXT")) { 33048d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian f = (__eglMustCastToProperFunctionPointerType)gl_noop; 33148d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian } 332de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 333de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian *curr++ = f; 334de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian api++; 335de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 336de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 337de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 338a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hallstatic void* load_system_driver(const char* kind) { 339bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hall ATRACE_CALL(); 340993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian class MatchFile { 341993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian public: 342993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian static String8 find(const char* kind) { 343993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian String8 result; 344776951f9db5744c94167d463584e9ee42c849712Nicolas Capens int emulationStatus = checkGlesEmulationStatus(); 345776951f9db5744c94167d463584e9ee42c849712Nicolas Capens switch (emulationStatus) { 346776951f9db5744c94167d463584e9ee42c849712Nicolas Capens case 0: 347776951f9db5744c94167d463584e9ee42c849712Nicolas Capens#if defined(__LP64__) 348776951f9db5744c94167d463584e9ee42c849712Nicolas Capens result.setTo("/system/lib64/egl/libGLES_android.so"); 349776951f9db5744c94167d463584e9ee42c849712Nicolas Capens#else 350776951f9db5744c94167d463584e9ee42c849712Nicolas Capens result.setTo("/system/lib/egl/libGLES_android.so"); 351776951f9db5744c94167d463584e9ee42c849712Nicolas Capens#endif 352776951f9db5744c94167d463584e9ee42c849712Nicolas Capens return result; 353776951f9db5744c94167d463584e9ee42c849712Nicolas Capens case 1: 354776951f9db5744c94167d463584e9ee42c849712Nicolas Capens // Use host-side OpenGL through the "emulation" library 355776951f9db5744c94167d463584e9ee42c849712Nicolas Capens#if defined(__LP64__) 356776951f9db5744c94167d463584e9ee42c849712Nicolas Capens result.appendFormat("/system/lib64/egl/lib%s_emulation.so", kind); 357776951f9db5744c94167d463584e9ee42c849712Nicolas Capens#else 358776951f9db5744c94167d463584e9ee42c849712Nicolas Capens result.appendFormat("/system/lib/egl/lib%s_emulation.so", kind); 359776951f9db5744c94167d463584e9ee42c849712Nicolas Capens#endif 360776951f9db5744c94167d463584e9ee42c849712Nicolas Capens return result; 361776951f9db5744c94167d463584e9ee42c849712Nicolas Capens default: 362776951f9db5744c94167d463584e9ee42c849712Nicolas Capens // Not in emulator, or use other guest-side implementation 363776951f9db5744c94167d463584e9ee42c849712Nicolas Capens break; 364776951f9db5744c94167d463584e9ee42c849712Nicolas Capens } 365776951f9db5744c94167d463584e9ee42c849712Nicolas Capens 366993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian String8 pattern; 367993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian pattern.appendFormat("lib%s", kind); 368993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian const char* const searchPaths[] = { 3698edb8f5f2d016e4e31530ad7a0c44a4a7a853f64Dan Willemsen#if defined(__LP64__) 3708edb8f5f2d016e4e31530ad7a0c44a4a7a853f64Dan Willemsen "/vendor/lib64/egl", 3718edb8f5f2d016e4e31530ad7a0c44a4a7a853f64Dan Willemsen "/system/lib64/egl" 3728edb8f5f2d016e4e31530ad7a0c44a4a7a853f64Dan Willemsen#else 373993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian "/vendor/lib/egl", 374993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian "/system/lib/egl" 3758edb8f5f2d016e4e31530ad7a0c44a4a7a853f64Dan Willemsen#endif 376993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian }; 377993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 378993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // first, we search for the exact name of the GLES userspace 379993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // driver in both locations. 380993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // i.e.: 381993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // libGLES.so, or: 382993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // libEGL.so, libGLESv1_CM.so, libGLESv2.so 383993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 384993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian for (size_t i=0 ; i<NELEM(searchPaths) ; i++) { 385993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (find(result, pattern, searchPaths[i], true)) { 386993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return result; 387993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 388993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 389993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 390993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // for compatibility with the old "egl.cfg" naming convention 391993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // we look for files that match: 392993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // libGLES_*.so, or: 393993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // libEGL_*.so, libGLESv1_CM_*.so, libGLESv2_*.so 394993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 395993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian pattern.append("_"); 396993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian for (size_t i=0 ; i<NELEM(searchPaths) ; i++) { 397993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (find(result, pattern, searchPaths[i], false)) { 398993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return result; 399993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 400993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 401993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 402993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // we didn't find the driver. gah. 403993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian result.clear(); 404993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return result; 405993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 406993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 407993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian private: 408993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian static bool find(String8& result, 409993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian const String8& pattern, const char* const search, bool exact) { 410993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (exact) { 411993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian String8 absolutePath; 412993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian absolutePath.appendFormat("%s/%s.so", search, pattern.string()); 413993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (!access(absolutePath.string(), R_OK)) { 414993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian result = absolutePath; 415993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return true; 416993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 417993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return false; 418993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 419993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 420993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian DIR* d = opendir(search); 421993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (d != NULL) { 422993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian struct dirent cur; 423993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian struct dirent* e; 424993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian while (readdir_r(d, &cur, &e) == 0 && e) { 425993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (e->d_type == DT_DIR) { 426993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian continue; 427993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 428993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (!strcmp(e->d_name, "libGLES_android.so")) { 429993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // always skip the software renderer 430993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian continue; 431993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 432993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (strstr(e->d_name, pattern.string()) == e->d_name) { 433993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (!strcmp(e->d_name + strlen(e->d_name) - 3, ".so")) { 434993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian result.clear(); 435993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian result.appendFormat("%s/%s", search, e->d_name); 436993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian closedir(d); 437993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return true; 438993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 439993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 440993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 441993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian closedir(d); 442993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 443993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return false; 4442b9e4f6a2490864ead44e88a68da78be5cb3da22Brian Swetland } 445993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian }; 446993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 447993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 448993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian String8 absolutePath = MatchFile::find(kind); 449993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (absolutePath.isEmpty()) { 450993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // this happens often, we don't want to log an error 451993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return 0; 4528c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian } 453993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian const char* const driver_absolute_path = absolutePath.string(); 4548c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian 455bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hall void* dso = do_dlopen(driver_absolute_path, RTLD_NOW | RTLD_LOCAL); 4568c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian if (dso == 0) { 4578c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian const char* err = dlerror(); 458e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("load_driver(%s): %s", driver_absolute_path, err?err:"unknown"); 4598c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian return 0; 4608c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian } 461de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 4629d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block ALOGD("loaded %s", driver_absolute_path); 463baca89c06a40c6c19ae2294fb4263d893126320cMathias Agopian 464a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall return dso; 465a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall} 466a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall 467bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hallstatic void* do_android_dlopen_ext(const char* path, int mode, const android_dlextinfo* info) { 468bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hall ATRACE_CALL(); 469bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hall return android_dlopen_ext(path, mode, info); 470bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hall} 471bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hall 472a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hallstatic const std::array<const char*, 2> HAL_SUBNAME_KEY_PROPERTIES = {{ 473a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall "ro.hardware.egl", 474a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall "ro.board.platform", 475a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall}}; 476a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall 477a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hallstatic void* load_updated_driver(const char* kind, android_namespace_t* ns) { 478bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hall ATRACE_CALL(); 479a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall const android_dlextinfo dlextinfo = { 480a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall .flags = ANDROID_DLEXT_USE_NAMESPACE, 481a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall .library_namespace = ns, 482a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall }; 483a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall void* so = nullptr; 484a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall char prop[PROPERTY_VALUE_MAX + 1]; 485a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall for (auto key : HAL_SUBNAME_KEY_PROPERTIES) { 486a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall if (property_get(key, prop, nullptr) > 0) { 487a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall String8 name; 488a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall name.appendFormat("lib%s_%s.so", kind, prop); 489bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hall so = do_android_dlopen_ext(name.string(), RTLD_LOCAL | RTLD_NOW, 490a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall &dlextinfo); 491a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall if (so) 492a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall return so; 493a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall } 494a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall } 495a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall return nullptr; 496a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall} 497a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall 498a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hallvoid *Loader::load_driver(const char* kind, 499a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall egl_connection_t* cnx, uint32_t mask) 500a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall{ 501bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hall ATRACE_CALL(); 502bb5a921fef0445f1ffa4fe0781cd1b8108ad79ceJesse Hall 503a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall void* dso = nullptr; 504a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall if (mGetDriverNamespace) { 505a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall android_namespace_t* ns = mGetDriverNamespace(); 506a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall if (ns) { 507a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall dso = load_updated_driver(kind, ns); 508a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall } 509a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall } 510a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall if (!dso) { 511a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall dso = load_system_driver(kind); 512a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall if (!dso) 513a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall return NULL; 514a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall } 515a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall 516de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (mask & EGL) { 517de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian getProcAddress = (getProcAddressType)dlsym(dso, "eglGetProcAddress"); 518de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 51994cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall ALOGE_IF(!getProcAddress, 520a91f64cbe1bc057a466a865446767ffd48133a8fJesse Hall "can't find eglGetProcAddress() in EGL driver library"); 521de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 522618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian egl_t* egl = &cnx->egl; 523de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian __eglMustCastToProperFunctionPointerType* curr = 524de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian (__eglMustCastToProperFunctionPointerType*)egl; 525de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char const * const * api = egl_names; 526de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian while (*api) { 527de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char const * name = *api; 52894cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall __eglMustCastToProperFunctionPointerType f = 529de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian (__eglMustCastToProperFunctionPointerType)dlsym(dso, name); 530de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 531de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // couldn't find the entry-point, use eglGetProcAddress() 532de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = getProcAddress(name); 533de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 534de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = (__eglMustCastToProperFunctionPointerType)0; 535de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 536de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 537de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian *curr++ = f; 538de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian api++; 539de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 540de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 54194cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall 542de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (mask & GLESv1_CM) { 543618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian init_api(dso, gl_names, 544618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian (__eglMustCastToProperFunctionPointerType*) 5457773c435bc5da8217433e1b242d3a6712a17b5f7Mathias Agopian &cnx->hooks[egl_connection_t::GLESv1_INDEX]->gl, 546618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian getProcAddress); 547de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 548de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 549de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (mask & GLESv2) { 550618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian init_api(dso, gl_names, 551618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian (__eglMustCastToProperFunctionPointerType*) 5527773c435bc5da8217433e1b242d3a6712a17b5f7Mathias Agopian &cnx->hooks[egl_connection_t::GLESv2_INDEX]->gl, 553de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian getProcAddress); 554de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 55594cdba97ce1de140623d84c14fb15f12f7da89ddJesse Hall 556de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return dso; 557de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 558de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 559de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 560de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian}; // namespace android 561de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 562