Loader.cpp revision 993814255fc248454368ed9fe34b4703a05eaf99
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> 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: 59de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian * 60993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian * /{vendor|system}/lib/egl/lib{GLES | [EGL|GLESv1_CM|GLESv2]}_*.so 61de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian * 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 119de58697644a52a614ad9498aa087e95d4a223673Mathias AgopianLoader::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 126de58697644a52a614ad9498aa087e95d4a223673Mathias AgopianLoader::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 164ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopianvoid* Loader::open(egl_connection_t* cnx) 165de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 166de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian void* dso; 167de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian driver_t* hnd = 0; 168de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 169993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian dso = load_driver("GLES", cnx, EGL | GLESv1_CM | GLESv2); 170993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (dso) { 171993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian hnd = new driver_t(dso); 172993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } else { 173993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // Always load EGL first 174993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian dso = load_driver("EGL", cnx, EGL); 175de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (dso) { 176de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian hnd = new driver_t(dso); 177993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian hnd->set( load_driver("GLESv1_CM", cnx, GLESv1_CM), GLESv1_CM ); 178993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian hnd->set( load_driver("GLESv2", cnx, GLESv2), GLESv2 ); 179de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 180de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 181de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 182993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian LOG_ALWAYS_FATAL_IF(!hnd, "couldn't find an OpenGL ES implementation"); 183de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 184de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return (void*)hnd; 185de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 186de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 187de58697644a52a614ad9498aa087e95d4a223673Mathias Agopianstatus_t Loader::close(void* driver) 188de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 189de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian driver_t* hnd = (driver_t*)driver; 190de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian delete hnd; 191de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return NO_ERROR; 192de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 193de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 194de58697644a52a614ad9498aa087e95d4a223673Mathias Agopianvoid Loader::init_api(void* dso, 195de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char const * const * api, 196de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian __eglMustCastToProperFunctionPointerType* curr, 197de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian getProcAddressType getProcAddress) 198de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 1997773c435bc5da8217433e1b242d3a6712a17b5f7Mathias Agopian const ssize_t SIZE = 256; 2000ad71a97c6061e3b12d2308bd43e02dfeeb63db4Mathias Agopian char scrap[SIZE]; 201de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian while (*api) { 202de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char const * name = *api; 203de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian __eglMustCastToProperFunctionPointerType f = 204de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian (__eglMustCastToProperFunctionPointerType)dlsym(dso, name); 205de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 206de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // couldn't find the entry-point, use eglGetProcAddress() 207de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = getProcAddress(name); 208de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 209de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 210de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // Try without the OES postfix 211de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ssize_t index = ssize_t(strlen(name)) - 3; 2120ad71a97c6061e3b12d2308bd43e02dfeeb63db4Mathias Agopian if ((index>0 && (index<SIZE-1)) && (!strcmp(name+index, "OES"))) { 213de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian strncpy(scrap, name, index); 214de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian scrap[index] = 0; 215de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = (__eglMustCastToProperFunctionPointerType)dlsym(dso, scrap); 2169d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block //ALOGD_IF(f, "found <%s> instead", scrap); 217de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 218de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 219de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 220de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // Try with the OES postfix 2210ad71a97c6061e3b12d2308bd43e02dfeeb63db4Mathias Agopian ssize_t index = ssize_t(strlen(name)) - 3; 2220ad71a97c6061e3b12d2308bd43e02dfeeb63db4Mathias Agopian if (index>0 && strcmp(name+index, "OES")) { 2230ad71a97c6061e3b12d2308bd43e02dfeeb63db4Mathias Agopian snprintf(scrap, SIZE, "%sOES", name); 224de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = (__eglMustCastToProperFunctionPointerType)dlsym(dso, scrap); 2259d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block //ALOGD_IF(f, "found <%s> instead", scrap); 226de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 227de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 228de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 2299d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block //ALOGD("%s", name); 230de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = (__eglMustCastToProperFunctionPointerType)gl_unimplemented; 23148d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian 23248d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian /* 23348d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian * GL_EXT_debug_label is special, we always report it as 23448d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian * supported, it's handled by GLES_trace. If GLES_trace is not 23548d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian * enabled, then these are no-ops. 23648d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian */ 23748d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian if (!strcmp(name, "glInsertEventMarkerEXT")) { 23848d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian f = (__eglMustCastToProperFunctionPointerType)gl_noop; 23948d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian } else if (!strcmp(name, "glPushGroupMarkerEXT")) { 24048d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian f = (__eglMustCastToProperFunctionPointerType)gl_noop; 24148d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian } else if (!strcmp(name, "glPopGroupMarkerEXT")) { 24248d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian f = (__eglMustCastToProperFunctionPointerType)gl_noop; 24348d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian } 244de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 245de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian *curr++ = f; 246de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian api++; 247de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 248de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 249de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 250993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopianvoid *Loader::load_driver(const char* kind, 251618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian egl_connection_t* cnx, uint32_t mask) 252de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 253993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian class MatchFile { 254993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian public: 255993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian static String8 find(const char* kind) { 256993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian String8 result; 257993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian String8 pattern; 258993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian pattern.appendFormat("lib%s", kind); 259993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian const char* const searchPaths[] = { 260993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian "/vendor/lib/egl", 261993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian "/system/lib/egl" 262993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian }; 263993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 264993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // first, we search for the exact name of the GLES userspace 265993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // driver in both locations. 266993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // i.e.: 267993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // libGLES.so, or: 268993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // libEGL.so, libGLESv1_CM.so, libGLESv2.so 269993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 270993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian for (size_t i=0 ; i<NELEM(searchPaths) ; i++) { 271993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (find(result, pattern, searchPaths[i], true)) { 272993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return result; 273993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 274993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 275993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 276993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // for compatibility with the old "egl.cfg" naming convention 277993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // we look for files that match: 278993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // libGLES_*.so, or: 279993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // libEGL_*.so, libGLESv1_CM_*.so, libGLESv2_*.so 280993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 281993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian pattern.append("_"); 282993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian for (size_t i=0 ; i<NELEM(searchPaths) ; i++) { 283993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (find(result, pattern, searchPaths[i], false)) { 284993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return result; 285993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 286993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 287993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 288993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // we didn't find the driver. gah. 289993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian result.clear(); 290993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return result; 291993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 292993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 293993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian private: 294993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian static bool find(String8& result, 295993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian const String8& pattern, const char* const search, bool exact) { 296993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 297993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // in the emulator case, we just return the hardcoded name 298993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // of the software renderer. 299993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (checkGlesEmulationStatus() == 0) { 300993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian ALOGD("Emulator without GPU support detected. " 301993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian "Fallback to software renderer."); 302993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian result.setTo("/system/lib/egl/libGLES_android.so"); 303993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return true; 304993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 305993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 306993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (exact) { 307993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian String8 absolutePath; 308993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian absolutePath.appendFormat("%s/%s.so", search, pattern.string()); 309993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (!access(absolutePath.string(), R_OK)) { 310993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian result = absolutePath; 311993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return true; 312993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 313993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return false; 314993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 315993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 316993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian DIR* d = opendir(search); 317993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (d != NULL) { 318993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian struct dirent cur; 319993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian struct dirent* e; 320993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian while (readdir_r(d, &cur, &e) == 0 && e) { 321993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (e->d_type == DT_DIR) { 322993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian continue; 323993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 324993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (!strcmp(e->d_name, "libGLES_android.so")) { 325993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // always skip the software renderer 326993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian continue; 327993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 328993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (strstr(e->d_name, pattern.string()) == e->d_name) { 329993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (!strcmp(e->d_name + strlen(e->d_name) - 3, ".so")) { 330993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian result.clear(); 331993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian result.appendFormat("%s/%s", search, e->d_name); 332993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian closedir(d); 333993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return true; 334993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 335993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 336993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 337993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian closedir(d); 338993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian } 339993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return false; 3402b9e4f6a2490864ead44e88a68da78be5cb3da22Brian Swetland } 341993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian }; 342993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 343993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian 344993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian String8 absolutePath = MatchFile::find(kind); 345993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian if (absolutePath.isEmpty()) { 346993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian // this happens often, we don't want to log an error 347993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian return 0; 3488c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian } 349993814255fc248454368ed9fe34b4703a05eaf99Mathias Agopian const char* const driver_absolute_path = absolutePath.string(); 3508c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian 3518c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian void* dso = dlopen(driver_absolute_path, RTLD_NOW | RTLD_LOCAL); 3528c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian if (dso == 0) { 3538c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian const char* err = dlerror(); 354e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("load_driver(%s): %s", driver_absolute_path, err?err:"unknown"); 3558c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian return 0; 3568c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian } 357de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 3589d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block ALOGD("loaded %s", driver_absolute_path); 359baca89c06a40c6c19ae2294fb4263d893126320cMathias Agopian 360de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (mask & EGL) { 361de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian getProcAddress = (getProcAddressType)dlsym(dso, "eglGetProcAddress"); 362de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 363e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE_IF(!getProcAddress, 3648c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian "can't find eglGetProcAddress() in %s", driver_absolute_path); 365de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 366d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian#ifdef SYSTEMUI_PBSIZE_HACK 367d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian#warning "SYSTEMUI_PBSIZE_HACK enabled" 368d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian /* 369d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian * TODO: replace SYSTEMUI_PBSIZE_HACK by something less hackish 370d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian * 371d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian * Here we adjust the PB size from its default value to 512KB which 372d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian * is the minimum acceptable for the systemui process. 373d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian * We do this on low-end devices only because it allows us to enable 374d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian * h/w acceleration in the systemui process while keeping the 375d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian * memory usage down. 376d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian * 377d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian * Obviously, this is the wrong place and wrong way to make this 378d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian * adjustment, but at the time of this writing this was the safest 379d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian * solution. 380d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian */ 381d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian const char *cmdline = getProcessCmdline(); 382d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian if (strstr(cmdline, "systemui")) { 383d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian void *imgegl = dlopen("/vendor/lib/libIMGegl.so", RTLD_LAZY); 384d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian if (imgegl) { 385d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian unsigned int *PVRDefaultPBS = 386d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian (unsigned int *)dlsym(imgegl, "PVRDefaultPBS"); 387d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian if (PVRDefaultPBS) { 388d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian ALOGD("setting default PBS to 512KB, was %d KB", *PVRDefaultPBS / 1024); 389d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian *PVRDefaultPBS = 512*1024; 390d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian } 391d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian } 392d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian } 393d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian#endif 394d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian 395618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian egl_t* egl = &cnx->egl; 396de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian __eglMustCastToProperFunctionPointerType* curr = 397de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian (__eglMustCastToProperFunctionPointerType*)egl; 398de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char const * const * api = egl_names; 399de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian while (*api) { 400de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char const * name = *api; 401de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian __eglMustCastToProperFunctionPointerType f = 402de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian (__eglMustCastToProperFunctionPointerType)dlsym(dso, name); 403de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 404de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // couldn't find the entry-point, use eglGetProcAddress() 405de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = getProcAddress(name); 406de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 407de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = (__eglMustCastToProperFunctionPointerType)0; 408de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 409de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 410de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian *curr++ = f; 411de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian api++; 412de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 413de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 414de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 415de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (mask & GLESv1_CM) { 416618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian init_api(dso, gl_names, 417618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian (__eglMustCastToProperFunctionPointerType*) 4187773c435bc5da8217433e1b242d3a6712a17b5f7Mathias Agopian &cnx->hooks[egl_connection_t::GLESv1_INDEX]->gl, 419618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian getProcAddress); 420de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 421de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 422de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (mask & GLESv2) { 423618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian init_api(dso, gl_names, 424618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian (__eglMustCastToProperFunctionPointerType*) 4257773c435bc5da8217433e1b242d3a6712a17b5f7Mathias Agopian &cnx->hooks[egl_connection_t::GLESv2_INDEX]->gl, 426de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian getProcAddress); 427de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 428de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 429de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return dso; 430de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 431de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 432de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 433de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian}; // namespace android 434de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 435