Loader.cpp revision d75f84d6410da934d1b1760fdc0d05d4ba1e8f35
1de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian/* 2de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** Copyright 2007, The Android Open Source Project 3de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** 4de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** Licensed under the Apache License, Version 2.0 (the "License"); 5de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** you may not use this file except in compliance with the License. 6de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** You may obtain a copy of the License at 7de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** 8de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** http://www.apache.org/licenses/LICENSE-2.0 9de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** 10de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** Unless required by applicable law or agreed to in writing, software 11de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** distributed under the License is distributed on an "AS IS" BASIS, 12de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** See the License for the specific language governing permissions and 14de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ** limitations under the License. 15de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian */ 16de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 17de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <ctype.h> 18de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <stdlib.h> 19de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <stdio.h> 20de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <string.h> 21de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <errno.h> 22de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <dlfcn.h> 23de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <limits.h> 24de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 25de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <cutils/log.h> 2680b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner#include <cutils/properties.h> 27de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 28de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include <EGL/egl.h> 29de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 301cadb25da1ed875bdd078270e642966724a0c39aMathias Agopian#include "egldefs.h" 310469dd6d55fa331bfd7de9431da98b6340d82271Siva Velusamy#include "glestrace.h" 32de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include "hooks.h" 33de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian#include "Loader.h" 34de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 35de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 36de58697644a52a614ad9498aa087e95d4a223673Mathias Agopiannamespace android { 37de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 38de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 39de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 40de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian/* 41de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian * EGL drivers are called 42de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian * 43de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian * /system/lib/egl/lib{[EGL|GLESv1_CM|GLESv2] | GLES}_$TAG.so 44de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian * 45de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian */ 46de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 47de58697644a52a614ad9498aa087e95d4a223673Mathias AgopianANDROID_SINGLETON_STATIC_INSTANCE( Loader ) 48de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 4980b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner/* This function is called to check whether we run inside the emulator, 5080b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * and if this is the case whether GLES GPU emulation is supported. 5180b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * 5280b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * Returned values are: 5380b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * -1 -> not running inside the emulator 5480b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * 0 -> running inside the emulator, but GPU emulation not supported 5580b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * 1 -> running inside the emulator, GPU emulation is supported 5680b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * through the "emulation" config. 5780b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner */ 5880b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turnerstatic int 5980b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' TurnercheckGlesEmulationStatus(void) 6080b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner{ 6180b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner /* We're going to check for the following kernel parameters: 6280b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * 6380b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * qemu=1 -> tells us that we run inside the emulator 6480b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * android.qemu.gles=<number> -> tells us the GLES GPU emulation status 6580b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * 6680b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * Note that we will return <number> if we find it. This let us support 6780b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner * more additionnal emulation modes in the future. 6880b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner */ 6980b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner char prop[PROPERTY_VALUE_MAX]; 7080b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner int result = -1; 7180b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner 7280b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner /* First, check for qemu=1 */ 7380b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner property_get("ro.kernel.qemu",prop,"0"); 7480b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner if (atoi(prop) != 1) 7580b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner return -1; 7680b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner 7780b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner /* We are in the emulator, get GPU status value */ 7880b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner property_get("ro.kernel.qemu.gles",prop,"0"); 7980b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner return atoi(prop); 8080b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner} 8180b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner 82de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 83de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 84d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopianstatic char const * getProcessCmdline() { 85d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian long pid = getpid(); 86d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian char procPath[128]; 87d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian snprintf(procPath, 128, "/proc/%ld/cmdline", pid); 88d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian FILE * file = fopen(procPath, "r"); 89d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian if (file) { 90d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian static char cmdline[256]; 91d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian char *str = fgets(cmdline, sizeof(cmdline) - 1, file); 92d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian fclose(file); 93d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian if (str) { 94d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian return cmdline; 95d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian } 96d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian } 97d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian return NULL; 98d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian} 99d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian 100d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian// ---------------------------------------------------------------------------- 101d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian 102de58697644a52a614ad9498aa087e95d4a223673Mathias AgopianLoader::driver_t::driver_t(void* gles) 103de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 104de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[0] = gles; 105de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian for (size_t i=1 ; i<NELEM(dso) ; i++) 106de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[i] = 0; 107de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 108de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 109de58697644a52a614ad9498aa087e95d4a223673Mathias AgopianLoader::driver_t::~driver_t() 110de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 111de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian for (size_t i=0 ; i<NELEM(dso) ; i++) { 112de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (dso[i]) { 113de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dlclose(dso[i]); 114de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[i] = 0; 115de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 116de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 117de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 118de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 119de58697644a52a614ad9498aa087e95d4a223673Mathias Agopianstatus_t Loader::driver_t::set(void* hnd, int32_t api) 120de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 121de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian switch (api) { 122de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian case EGL: 123de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[0] = hnd; 124de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian break; 125de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian case GLESv1_CM: 126de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[1] = hnd; 127de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian break; 128de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian case GLESv2: 129de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian dso[2] = hnd; 130de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian break; 131de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian default: 132de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return BAD_INDEX; 133de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 134de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return NO_ERROR; 135de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 136de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 137de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 138de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 139de58697644a52a614ad9498aa087e95d4a223673Mathias AgopianLoader::Loader() 140de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 141de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char line[256]; 142de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char tag[256]; 14380b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner 14480b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner /* Special case for GLES emulation */ 14580b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner if (checkGlesEmulationStatus() == 0) { 146ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian ALOGD("Emulator without GPU support detected. " 147ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian "Fallback to software renderer."); 148ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian mDriverTag.setTo("android"); 14980b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner return; 15080b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner } 15180b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner 15280b30c24ffc0f67b87d7a6b29f616d1c521d40aeDavid 'Digit' Turner /* Otherwise, use egl.cfg */ 153de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian FILE* cfg = fopen("/system/lib/egl/egl.cfg", "r"); 154de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (cfg == NULL) { 155de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // default config 1569d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block ALOGD("egl.cfg not found, using default config"); 157ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian mDriverTag.setTo("android"); 158de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } else { 159de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian while (fgets(line, 256, cfg)) { 160ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian int dpy, impl; 161de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (sscanf(line, "%u %u %s", &dpy, &impl, tag) == 3) { 1629d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block //ALOGD(">>> %u %u %s", dpy, impl, tag); 163ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian // We only load the h/w accelerated implementation 164ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian if (tag != String8("android")) { 165ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian mDriverTag = tag; 166ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian } 167de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 168de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 169de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian fclose(cfg); 170de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 171de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 172de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 173de58697644a52a614ad9498aa087e95d4a223673Mathias AgopianLoader::~Loader() 174de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 1750469dd6d55fa331bfd7de9431da98b6340d82271Siva Velusamy GLTrace_stop(); 176de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 177de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 178ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopianvoid* Loader::open(egl_connection_t* cnx) 179de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 180de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian void* dso; 181de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian driver_t* hnd = 0; 182de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 183ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian char const* tag = mDriverTag.string(); 184de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (tag) { 1852b9e4f6a2490864ead44e88a68da78be5cb3da22Brian Swetland dso = load_driver("GLES", tag, cnx, EGL | GLESv1_CM | GLESv2); 186de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (dso) { 187de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian hnd = new driver_t(dso); 188de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } else { 189de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // Always load EGL first 1902b9e4f6a2490864ead44e88a68da78be5cb3da22Brian Swetland dso = load_driver("EGL", tag, cnx, EGL); 191de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (dso) { 192de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian hnd = new driver_t(dso); 193de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // TODO: make this more automated 1942b9e4f6a2490864ead44e88a68da78be5cb3da22Brian Swetland hnd->set( load_driver("GLESv1_CM", tag, cnx, GLESv1_CM), GLESv1_CM ); 195ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian hnd->set( load_driver("GLESv2", tag, cnx, GLESv2), GLESv2 ); 196de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 197de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 198de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 199de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 200ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian LOG_FATAL_IF(!index && !hnd, 201acdebe352dc7dadc1122a87d45137fd2441b329aMathias Agopian "couldn't find the default OpenGL ES implementation " 202de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian "for default display"); 203de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 204de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return (void*)hnd; 205de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 206de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 207de58697644a52a614ad9498aa087e95d4a223673Mathias Agopianstatus_t Loader::close(void* driver) 208de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 209de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian driver_t* hnd = (driver_t*)driver; 210de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian delete hnd; 211de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return NO_ERROR; 212de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 213de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 214de58697644a52a614ad9498aa087e95d4a223673Mathias Agopianvoid Loader::init_api(void* dso, 215de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char const * const * api, 216de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian __eglMustCastToProperFunctionPointerType* curr, 217de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian getProcAddressType getProcAddress) 218de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 2197773c435bc5da8217433e1b242d3a6712a17b5f7Mathias Agopian const ssize_t SIZE = 256; 2200ad71a97c6061e3b12d2308bd43e02dfeeb63db4Mathias Agopian char scrap[SIZE]; 221de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian while (*api) { 222de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char const * name = *api; 223de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian __eglMustCastToProperFunctionPointerType f = 224de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian (__eglMustCastToProperFunctionPointerType)dlsym(dso, name); 225de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 226de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // couldn't find the entry-point, use eglGetProcAddress() 227de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = getProcAddress(name); 228de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 229de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 230de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // Try without the OES postfix 231de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian ssize_t index = ssize_t(strlen(name)) - 3; 2320ad71a97c6061e3b12d2308bd43e02dfeeb63db4Mathias Agopian if ((index>0 && (index<SIZE-1)) && (!strcmp(name+index, "OES"))) { 233de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian strncpy(scrap, name, index); 234de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian scrap[index] = 0; 235de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = (__eglMustCastToProperFunctionPointerType)dlsym(dso, scrap); 2369d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block //ALOGD_IF(f, "found <%s> instead", scrap); 237de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 238de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 239de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 240de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // Try with the OES postfix 2410ad71a97c6061e3b12d2308bd43e02dfeeb63db4Mathias Agopian ssize_t index = ssize_t(strlen(name)) - 3; 2420ad71a97c6061e3b12d2308bd43e02dfeeb63db4Mathias Agopian if (index>0 && strcmp(name+index, "OES")) { 2430ad71a97c6061e3b12d2308bd43e02dfeeb63db4Mathias Agopian snprintf(scrap, SIZE, "%sOES", name); 244de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = (__eglMustCastToProperFunctionPointerType)dlsym(dso, scrap); 2459d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block //ALOGD_IF(f, "found <%s> instead", scrap); 246de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 247de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 248de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 2499d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block //ALOGD("%s", name); 250de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = (__eglMustCastToProperFunctionPointerType)gl_unimplemented; 25148d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian 25248d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian /* 25348d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian * GL_EXT_debug_label is special, we always report it as 25448d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian * supported, it's handled by GLES_trace. If GLES_trace is not 25548d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian * enabled, then these are no-ops. 25648d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian */ 25748d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian if (!strcmp(name, "glInsertEventMarkerEXT")) { 25848d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian f = (__eglMustCastToProperFunctionPointerType)gl_noop; 25948d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian } else if (!strcmp(name, "glPushGroupMarkerEXT")) { 26048d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian f = (__eglMustCastToProperFunctionPointerType)gl_noop; 26148d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian } else if (!strcmp(name, "glPopGroupMarkerEXT")) { 26248d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian f = (__eglMustCastToProperFunctionPointerType)gl_noop; 26348d438d05f14c2f4bd83ae89f520368cd49122dfMathias Agopian } 264de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 265de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian *curr++ = f; 266de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian api++; 267de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 268de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 269de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 2702b9e4f6a2490864ead44e88a68da78be5cb3da22Brian Swetlandvoid *Loader::load_driver(const char* kind, const char *tag, 271618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian egl_connection_t* cnx, uint32_t mask) 272de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian{ 2732b9e4f6a2490864ead44e88a68da78be5cb3da22Brian Swetland char driver_absolute_path[PATH_MAX]; 2742b9e4f6a2490864ead44e88a68da78be5cb3da22Brian Swetland const char* const search1 = "/vendor/lib/egl/lib%s_%s.so"; 2752b9e4f6a2490864ead44e88a68da78be5cb3da22Brian Swetland const char* const search2 = "/system/lib/egl/lib%s_%s.so"; 2762b9e4f6a2490864ead44e88a68da78be5cb3da22Brian Swetland 2772b9e4f6a2490864ead44e88a68da78be5cb3da22Brian Swetland snprintf(driver_absolute_path, PATH_MAX, search1, kind, tag); 2788c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian if (access(driver_absolute_path, R_OK)) { 2792b9e4f6a2490864ead44e88a68da78be5cb3da22Brian Swetland snprintf(driver_absolute_path, PATH_MAX, search2, kind, tag); 2802b9e4f6a2490864ead44e88a68da78be5cb3da22Brian Swetland if (access(driver_absolute_path, R_OK)) { 2812b9e4f6a2490864ead44e88a68da78be5cb3da22Brian Swetland // this happens often, we don't want to log an error 2822b9e4f6a2490864ead44e88a68da78be5cb3da22Brian Swetland return 0; 2832b9e4f6a2490864ead44e88a68da78be5cb3da22Brian Swetland } 2848c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian } 2858c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian 2868c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian void* dso = dlopen(driver_absolute_path, RTLD_NOW | RTLD_LOCAL); 2878c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian if (dso == 0) { 2888c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian const char* err = dlerror(); 289e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("load_driver(%s): %s", driver_absolute_path, err?err:"unknown"); 2908c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian return 0; 2918c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian } 292de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 2939d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block ALOGD("loaded %s", driver_absolute_path); 294baca89c06a40c6c19ae2294fb4263d893126320cMathias Agopian 295de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (mask & EGL) { 296de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian getProcAddress = (getProcAddressType)dlsym(dso, "eglGetProcAddress"); 297de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 298e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE_IF(!getProcAddress, 2998c17384a5edd027376926b857af1fb170dbe9b43Mathias Agopian "can't find eglGetProcAddress() in %s", driver_absolute_path); 300de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 301d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian#ifdef SYSTEMUI_PBSIZE_HACK 302d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian#warning "SYSTEMUI_PBSIZE_HACK enabled" 303d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian /* 304d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian * TODO: replace SYSTEMUI_PBSIZE_HACK by something less hackish 305d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian * 306d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian * Here we adjust the PB size from its default value to 512KB which 307d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian * is the minimum acceptable for the systemui process. 308d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian * We do this on low-end devices only because it allows us to enable 309d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian * h/w acceleration in the systemui process while keeping the 310d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian * memory usage down. 311d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian * 312d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian * Obviously, this is the wrong place and wrong way to make this 313d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian * adjustment, but at the time of this writing this was the safest 314d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian * solution. 315d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian */ 316d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian const char *cmdline = getProcessCmdline(); 317d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian if (strstr(cmdline, "systemui")) { 318d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian void *imgegl = dlopen("/vendor/lib/libIMGegl.so", RTLD_LAZY); 319d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian if (imgegl) { 320d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian unsigned int *PVRDefaultPBS = 321d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian (unsigned int *)dlsym(imgegl, "PVRDefaultPBS"); 322d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian if (PVRDefaultPBS) { 323d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian ALOGD("setting default PBS to 512KB, was %d KB", *PVRDefaultPBS / 1024); 324d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian *PVRDefaultPBS = 512*1024; 325d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian } 326d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian } 327d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian } 328d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian#endif 329d75f84d6410da934d1b1760fdc0d05d4ba1e8f35Mathias Agopian 330618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian egl_t* egl = &cnx->egl; 331de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian __eglMustCastToProperFunctionPointerType* curr = 332de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian (__eglMustCastToProperFunctionPointerType*)egl; 333de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char const * const * api = egl_names; 334de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian while (*api) { 335de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian char const * name = *api; 336de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian __eglMustCastToProperFunctionPointerType f = 337de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian (__eglMustCastToProperFunctionPointerType)dlsym(dso, name); 338de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 339de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian // couldn't find the entry-point, use eglGetProcAddress() 340de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = getProcAddress(name); 341de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (f == NULL) { 342de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian f = (__eglMustCastToProperFunctionPointerType)0; 343de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 344de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 345de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian *curr++ = f; 346de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian api++; 347de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 348de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 349de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 350de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (mask & GLESv1_CM) { 351618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian init_api(dso, gl_names, 352618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian (__eglMustCastToProperFunctionPointerType*) 3537773c435bc5da8217433e1b242d3a6712a17b5f7Mathias Agopian &cnx->hooks[egl_connection_t::GLESv1_INDEX]->gl, 354618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian getProcAddress); 355de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 356de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 357de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian if (mask & GLESv2) { 358618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian init_api(dso, gl_names, 359618fa10949c42eb83fa5fe105fe542bcff833ddaMathias Agopian (__eglMustCastToProperFunctionPointerType*) 3607773c435bc5da8217433e1b242d3a6712a17b5f7Mathias Agopian &cnx->hooks[egl_connection_t::GLESv2_INDEX]->gl, 361de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian getProcAddress); 362de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian } 363de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 364de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian return dso; 365de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian} 366de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian 367de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 368de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian}; // namespace android 369de58697644a52a614ad9498aa087e95d4a223673Mathias Agopian// ---------------------------------------------------------------------------- 370