egl_display.cpp revision 7773c435bc5da8217433e1b242d3a6712a17b5f7
1518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian/* 2518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian ** Copyright 2007, The Android Open Source Project 3518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian ** 4518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian ** Licensed under the Apache License, Version 2.0 (the "License"); 5518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian ** you may not use this file except in compliance with the License. 6518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian ** You may obtain a copy of the License at 7518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian ** 8518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian ** http://www.apache.org/licenses/LICENSE-2.0 9518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian ** 10518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian ** Unless required by applicable law or agreed to in writing, software 11518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian ** distributed under the License is distributed on an "AS IS" BASIS, 12518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian ** See the License for the specific language governing permissions and 14518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian ** limitations under the License. 15518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian */ 16518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 174b9511c16195a646242eff833b0af212933b6ecaMathias Agopian#include <string.h> 184b9511c16195a646242eff833b0af212933b6ecaMathias Agopian 19aca51c06f38155f1435fbc6944d7fc0a9bf1e4e9Jamie Gennis#include "egl_cache.h" 20518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian#include "egl_display.h" 21518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian#include "egl_object.h" 22518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian#include "egl_tls.h" 23518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian#include "egl_impl.h" 24518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian#include "Loader.h" 25518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 26518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian// ---------------------------------------------------------------------------- 27518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopiannamespace android { 28518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian// ---------------------------------------------------------------------------- 29518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 304b9511c16195a646242eff833b0af212933b6ecaMathias Agopianstatic char const * const sVendorString = "Android"; 314b9511c16195a646242eff833b0af212933b6ecaMathias Agopianstatic char const * const sVersionString = "1.4 Android META-EGL"; 324b9511c16195a646242eff833b0af212933b6ecaMathias Agopianstatic char const * const sClientApiString = "OpenGL ES"; 334b9511c16195a646242eff833b0af212933b6ecaMathias Agopian 344b9511c16195a646242eff833b0af212933b6ecaMathias Agopian// this is the list of EGL extensions that are exposed to applications 354b9511c16195a646242eff833b0af212933b6ecaMathias Agopian// some of them are mandatory because used by the ANDROID system. 364b9511c16195a646242eff833b0af212933b6ecaMathias Agopian// 374b9511c16195a646242eff833b0af212933b6ecaMathias Agopian// mandatory extensions are required per the CDD and not explicitly 384b9511c16195a646242eff833b0af212933b6ecaMathias Agopian// checked during EGL initialization. the system *assumes* these extensions 394b9511c16195a646242eff833b0af212933b6ecaMathias Agopian// are present. the system may not function properly if some mandatory 404b9511c16195a646242eff833b0af212933b6ecaMathias Agopian// extensions are missing. 414b9511c16195a646242eff833b0af212933b6ecaMathias Agopian// 424b9511c16195a646242eff833b0af212933b6ecaMathias Agopian// NOTE: sExtensionString MUST be have a single space as the last character. 434b9511c16195a646242eff833b0af212933b6ecaMathias Agopian// 444b9511c16195a646242eff833b0af212933b6ecaMathias Agopianstatic char const * const sExtensionString = 454b9511c16195a646242eff833b0af212933b6ecaMathias Agopian "EGL_KHR_image " // mandatory 464b9511c16195a646242eff833b0af212933b6ecaMathias Agopian "EGL_KHR_image_base " // mandatory 474b9511c16195a646242eff833b0af212933b6ecaMathias Agopian "EGL_KHR_image_pixmap " 484b9511c16195a646242eff833b0af212933b6ecaMathias Agopian "EGL_KHR_gl_texture_2D_image " 494b9511c16195a646242eff833b0af212933b6ecaMathias Agopian "EGL_KHR_gl_texture_cubemap_image " 504b9511c16195a646242eff833b0af212933b6ecaMathias Agopian "EGL_KHR_gl_renderbuffer_image " 514b9511c16195a646242eff833b0af212933b6ecaMathias Agopian "EGL_KHR_fence_sync " 524b9511c16195a646242eff833b0af212933b6ecaMathias Agopian "EGL_NV_system_time " 534b9511c16195a646242eff833b0af212933b6ecaMathias Agopian "EGL_ANDROID_image_native_buffer " // mandatory 544b9511c16195a646242eff833b0af212933b6ecaMathias Agopian ; 554b9511c16195a646242eff833b0af212933b6ecaMathias Agopian 564b9511c16195a646242eff833b0af212933b6ecaMathias Agopian// extensions not exposed to applications but used by the ANDROID system 574b9511c16195a646242eff833b0af212933b6ecaMathias Agopian// "EGL_ANDROID_recordable " // mandatory 584b9511c16195a646242eff833b0af212933b6ecaMathias Agopian// "EGL_ANDROID_blob_cache " // strongly recommended 594b9511c16195a646242eff833b0af212933b6ecaMathias Agopian 60518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopianextern void initEglTraceLevel(); 61518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopianextern void setGLHooksThreadSpecific(gl_hooks_t const *value); 62518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 63518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian// ---------------------------------------------------------------------------- 64518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 65518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopianegl_display_t egl_display_t::sDisplay[NUM_DISPLAYS]; 66518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 67518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopianegl_display_t::egl_display_t() : 687773c435bc5da8217433e1b242d3a6712a17b5f7Mathias Agopian magic('_dpy'), refs(0) { 69518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian} 70518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 71518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopianegl_display_t::~egl_display_t() { 72518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian magic = 0; 73766010858ea7696d64f1b559413670bdd8627595Jamie Gennis egl_cache_t::get()->terminate(); 74518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian} 75518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 76518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopianegl_display_t* egl_display_t::get(EGLDisplay dpy) { 77518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian uintptr_t index = uintptr_t(dpy)-1U; 78518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian return (index >= NUM_DISPLAYS) ? NULL : &sDisplay[index]; 79518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian} 80518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 81518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopianvoid egl_display_t::addObject(egl_object_t* object) { 82518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian Mutex::Autolock _l(lock); 83518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian objects.add(object); 84518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian} 85518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 865b287a6ea8dfac7ab3e03ae1e98f9e2214cbae09Mathias Agopianvoid egl_display_t::removeObject(egl_object_t* object) { 87518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian Mutex::Autolock _l(lock); 885b287a6ea8dfac7ab3e03ae1e98f9e2214cbae09Mathias Agopian objects.remove(object); 89518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian} 90518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 91f0480de37492597a5c5cf1e6f8346f1467e3a552Mathias Agopianbool egl_display_t::getObject(egl_object_t* object) const { 92518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian Mutex::Autolock _l(lock); 935b287a6ea8dfac7ab3e03ae1e98f9e2214cbae09Mathias Agopian if (objects.indexOf(object) >= 0) { 94f0480de37492597a5c5cf1e6f8346f1467e3a552Mathias Agopian if (object->getDisplay() == this) { 95f0480de37492597a5c5cf1e6f8346f1467e3a552Mathias Agopian object->incRef(); 96f0480de37492597a5c5cf1e6f8346f1467e3a552Mathias Agopian return true; 97f0480de37492597a5c5cf1e6f8346f1467e3a552Mathias Agopian } 98518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian } 99518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian return false; 100518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian} 101518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 102518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias AgopianEGLDisplay egl_display_t::getFromNativeDisplay(EGLNativeDisplayType disp) { 103518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian if (uintptr_t(disp) >= NUM_DISPLAYS) 104518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian return NULL; 105518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 106518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian return sDisplay[uintptr_t(disp)].getDisplay(disp); 107518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian} 108518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 109518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias AgopianEGLDisplay egl_display_t::getDisplay(EGLNativeDisplayType display) { 110518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 111518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian Mutex::Autolock _l(lock); 112518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 113518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian // get our driver loader 114518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian Loader& loader(Loader::getInstance()); 115518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 116ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian egl_connection_t* const cnx = &gEGLImpl; 117ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian if (cnx->dso && disp.dpy == EGL_NO_DISPLAY) { 118ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian EGLDisplay dpy = cnx->egl.eglGetDisplay(display); 119ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian disp.dpy = dpy; 120ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian if (dpy == EGL_NO_DISPLAY) { 121ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian loader.close(cnx->dso); 122ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian cnx->dso = NULL; 123518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian } 124518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian } 125518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 126518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian return EGLDisplay(uintptr_t(display) + 1U); 127518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian} 128518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 129518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias AgopianEGLBoolean egl_display_t::initialize(EGLint *major, EGLint *minor) { 130518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 131518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian Mutex::Autolock _l(lock); 132518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 133518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian if (refs > 0) { 134518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian if (major != NULL) 135518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian *major = VERSION_MAJOR; 136518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian if (minor != NULL) 137518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian *minor = VERSION_MINOR; 138518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian refs++; 139518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian return EGL_TRUE; 140518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian } 141518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 142518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian#if EGL_TRACE 143518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 144518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian // Called both at early_init time and at this time. (Early_init is pre-zygote, so 145518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian // the information from that call may be stale.) 146518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian initEglTraceLevel(); 147518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 148518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian#endif 149518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 150518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian setGLHooksThreadSpecific(&gHooksNoContext); 151518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 152518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian // initialize each EGL and 153518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian // build our own extension string first, based on the extension we know 154518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian // and the extension supported by our client implementation 155ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian 156ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian egl_connection_t* const cnx = &gEGLImpl; 157ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian cnx->major = -1; 158ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian cnx->minor = -1; 159ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian if (cnx->dso) { 160518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 161518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian#if defined(ADRENO130) 162518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian#warning "Adreno-130 eglInitialize() workaround" 163518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian /* 164518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian * The ADRENO 130 driver returns a different EGLDisplay each time 165518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian * eglGetDisplay() is called, but also makes the EGLDisplay invalid 166518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian * after eglTerminate() has been called, so that eglInitialize() 167518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian * cannot be called again. Therefore, we need to make sure to call 168518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian * eglGetDisplay() before calling eglInitialize(); 169518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian */ 170518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian if (i == IMPL_HARDWARE) { 171ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian disp[i].dpy = cnx->egl.eglGetDisplay(EGL_DEFAULT_DISPLAY); 172518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian } 173518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian#endif 174518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 175ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian EGLDisplay idpy = disp.dpy; 176518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian if (cnx->egl.eglInitialize(idpy, &cnx->major, &cnx->minor)) { 177ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian //ALOGD("initialized dpy=%p, ver=%d.%d, cnx=%p", 178ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian // idpy, cnx->major, cnx->minor, cnx); 179518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 180518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian // display is now initialized 181ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian disp.state = egl_display_t::INITIALIZED; 182518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 183518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian // get the query-strings for this display for each implementation 184ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian disp.queryString.vendor = cnx->egl.eglQueryString(idpy, 185518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian EGL_VENDOR); 186ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian disp.queryString.version = cnx->egl.eglQueryString(idpy, 187518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian EGL_VERSION); 188ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian disp.queryString.extensions = cnx->egl.eglQueryString(idpy, 189518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian EGL_EXTENSIONS); 190ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian disp.queryString.clientApi = cnx->egl.eglQueryString(idpy, 191518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian EGL_CLIENT_APIS); 192518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 193518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian } else { 194ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian ALOGW("eglInitialize(%p) failed (%s)", idpy, 195518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian egl_tls_t::egl_strerror(cnx->egl.eglGetError())); 196518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian } 197518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian } 198518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 1994b9511c16195a646242eff833b0af212933b6ecaMathias Agopian // the query strings are per-display 2004b9511c16195a646242eff833b0af212933b6ecaMathias Agopian mVendorString.setTo(sVendorString); 2014b9511c16195a646242eff833b0af212933b6ecaMathias Agopian mVersionString.setTo(sVersionString); 2024b9511c16195a646242eff833b0af212933b6ecaMathias Agopian mClientApiString.setTo(sClientApiString); 2034b9511c16195a646242eff833b0af212933b6ecaMathias Agopian 2047773c435bc5da8217433e1b242d3a6712a17b5f7Mathias Agopian // we only add extensions that exist in the implementation 2054b9511c16195a646242eff833b0af212933b6ecaMathias Agopian char const* start = sExtensionString; 2064b9511c16195a646242eff833b0af212933b6ecaMathias Agopian char const* end; 2074b9511c16195a646242eff833b0af212933b6ecaMathias Agopian do { 2084b9511c16195a646242eff833b0af212933b6ecaMathias Agopian // find the space separating this extension for the next one 2094b9511c16195a646242eff833b0af212933b6ecaMathias Agopian end = strchr(start, ' '); 2104b9511c16195a646242eff833b0af212933b6ecaMathias Agopian if (end) { 2114b9511c16195a646242eff833b0af212933b6ecaMathias Agopian // length of the extension string 2124b9511c16195a646242eff833b0af212933b6ecaMathias Agopian const size_t len = end - start; 213f3ae82d8134e7f5a2f0432ef809569bfa418883bMathias Agopian if (len) { 214f3ae82d8134e7f5a2f0432ef809569bfa418883bMathias Agopian // NOTE: we could avoid the copy if we had strnstr. 215f3ae82d8134e7f5a2f0432ef809569bfa418883bMathias Agopian const String8 ext(start, len); 216ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian // now look for this extension 217ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian if (disp.queryString.extensions) { 218ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian // if we find it, add this extension string to our list 219ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian // (and don't forget the space) 220ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian const char* match = strstr(disp.queryString.extensions, ext.string()); 221ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian if (match && (match[len] == ' ' || match[len] == 0)) { 222ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian mExtensionString.append(start, len+1); 223f3ae82d8134e7f5a2f0432ef809569bfa418883bMathias Agopian } 2244b9511c16195a646242eff833b0af212933b6ecaMathias Agopian } 2254b9511c16195a646242eff833b0af212933b6ecaMathias Agopian } 2264b9511c16195a646242eff833b0af212933b6ecaMathias Agopian // process the next extension string, and skip the space. 2274b9511c16195a646242eff833b0af212933b6ecaMathias Agopian start = end + 1; 2284b9511c16195a646242eff833b0af212933b6ecaMathias Agopian } 2294b9511c16195a646242eff833b0af212933b6ecaMathias Agopian } while (end); 2304b9511c16195a646242eff833b0af212933b6ecaMathias Agopian 231aca51c06f38155f1435fbc6944d7fc0a9bf1e4e9Jamie Gennis egl_cache_t::get()->initialize(this); 232aca51c06f38155f1435fbc6944d7fc0a9bf1e4e9Jamie Gennis 2337773c435bc5da8217433e1b242d3a6712a17b5f7Mathias Agopian refs++; 2347773c435bc5da8217433e1b242d3a6712a17b5f7Mathias Agopian if (major != NULL) 2357773c435bc5da8217433e1b242d3a6712a17b5f7Mathias Agopian *major = VERSION_MAJOR; 2367773c435bc5da8217433e1b242d3a6712a17b5f7Mathias Agopian if (minor != NULL) 2377773c435bc5da8217433e1b242d3a6712a17b5f7Mathias Agopian *minor = VERSION_MINOR; 2387773c435bc5da8217433e1b242d3a6712a17b5f7Mathias Agopian return EGL_TRUE; 239518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian} 240518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 241518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias AgopianEGLBoolean egl_display_t::terminate() { 242518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 243518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian Mutex::Autolock _l(lock); 244518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 245518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian if (refs == 0) { 246518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian return setError(EGL_NOT_INITIALIZED, EGL_FALSE); 247518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian } 248518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 249518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian // this is specific to Android, display termination is ref-counted. 250518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian if (refs > 1) { 251518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian refs--; 252518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian return EGL_TRUE; 253518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian } 254518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 255518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian EGLBoolean res = EGL_FALSE; 256ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian egl_connection_t* const cnx = &gEGLImpl; 257ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian if (cnx->dso && disp.state == egl_display_t::INITIALIZED) { 258ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian if (cnx->egl.eglTerminate(disp.dpy) == EGL_FALSE) { 259ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian ALOGW("eglTerminate(%p) failed (%s)", disp.dpy, 260ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian egl_tls_t::egl_strerror(cnx->egl.eglGetError())); 261ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian } 262ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian // REVISIT: it's unclear what to do if eglTerminate() fails 263ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian disp.state = egl_display_t::TERMINATED; 264ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian res = EGL_TRUE; 265518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian } 266518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 2675b287a6ea8dfac7ab3e03ae1e98f9e2214cbae09Mathias Agopian // Mark all objects remaining in the list as terminated, unless 2685b287a6ea8dfac7ab3e03ae1e98f9e2214cbae09Mathias Agopian // there are no reference to them, it which case, we're free to 2695b287a6ea8dfac7ab3e03ae1e98f9e2214cbae09Mathias Agopian // delete them. 2705b287a6ea8dfac7ab3e03ae1e98f9e2214cbae09Mathias Agopian size_t count = objects.size(); 27132397c1cd3327905173b36baa6fd1c579bc328ffSteve Block ALOGW_IF(count, "eglTerminate() called w/ %d objects remaining", count); 2725b287a6ea8dfac7ab3e03ae1e98f9e2214cbae09Mathias Agopian for (size_t i=0 ; i<count ; i++) { 2735b287a6ea8dfac7ab3e03ae1e98f9e2214cbae09Mathias Agopian egl_object_t* o = objects.itemAt(i); 2745b287a6ea8dfac7ab3e03ae1e98f9e2214cbae09Mathias Agopian o->destroy(); 2755b287a6ea8dfac7ab3e03ae1e98f9e2214cbae09Mathias Agopian } 2765b287a6ea8dfac7ab3e03ae1e98f9e2214cbae09Mathias Agopian 2775b287a6ea8dfac7ab3e03ae1e98f9e2214cbae09Mathias Agopian // this marks all object handles are "terminated" 2785b287a6ea8dfac7ab3e03ae1e98f9e2214cbae09Mathias Agopian objects.clear(); 279518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 280518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian refs--; 281518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian return res; 282518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian} 283518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 284fb87e54a9af8bc5063ca4deebe81d90126992480Mathias Agopianvoid egl_display_t::loseCurrent(egl_context_t * cur_c) 285fb87e54a9af8bc5063ca4deebe81d90126992480Mathias Agopian{ 286fb87e54a9af8bc5063ca4deebe81d90126992480Mathias Agopian if (cur_c) { 287a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian egl_display_t* display = cur_c->getDisplay(); 288a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian if (display) { 289a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian display->loseCurrentImpl(cur_c); 290a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian } 291a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian } 292a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian} 293fb87e54a9af8bc5063ca4deebe81d90126992480Mathias Agopian 294a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopianvoid egl_display_t::loseCurrentImpl(egl_context_t * cur_c) 295a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian{ 296a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian // by construction, these are either 0 or valid (possibly terminated) 297a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian // it should be impossible for these to be invalid 298a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian ContextRef _cur_c(cur_c); 299a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian SurfaceRef _cur_r(cur_c ? get_surface(cur_c->read) : NULL); 300a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian SurfaceRef _cur_d(cur_c ? get_surface(cur_c->draw) : NULL); 301a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian 302a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian { // scope for the lock 303a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian Mutex::Autolock _l(lock); 304fb87e54a9af8bc5063ca4deebe81d90126992480Mathias Agopian cur_c->onLooseCurrent(); 305fb87e54a9af8bc5063ca4deebe81d90126992480Mathias Agopian 306fb87e54a9af8bc5063ca4deebe81d90126992480Mathias Agopian } 307a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian 308a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian // This cannot be called with the lock held because it might end-up 309a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian // calling back into EGL (in particular when a surface is destroyed 310a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian // it calls ANativeWindow::disconnect 311a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian _cur_c.release(); 312a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian _cur_r.release(); 313a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian _cur_d.release(); 314fb87e54a9af8bc5063ca4deebe81d90126992480Mathias Agopian} 315fb87e54a9af8bc5063ca4deebe81d90126992480Mathias Agopian 316fb87e54a9af8bc5063ca4deebe81d90126992480Mathias AgopianEGLBoolean egl_display_t::makeCurrent(egl_context_t* c, egl_context_t* cur_c, 317fb87e54a9af8bc5063ca4deebe81d90126992480Mathias Agopian EGLSurface draw, EGLSurface read, EGLContext ctx, 318fb87e54a9af8bc5063ca4deebe81d90126992480Mathias Agopian EGLSurface impl_draw, EGLSurface impl_read, EGLContext impl_ctx) 319fb87e54a9af8bc5063ca4deebe81d90126992480Mathias Agopian{ 320fb87e54a9af8bc5063ca4deebe81d90126992480Mathias Agopian EGLBoolean result; 321a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian 322a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian // by construction, these are either 0 or valid (possibly terminated) 323a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian // it should be impossible for these to be invalid 324a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian ContextRef _cur_c(cur_c); 325a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian SurfaceRef _cur_r(cur_c ? get_surface(cur_c->read) : NULL); 326a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian SurfaceRef _cur_d(cur_c ? get_surface(cur_c->draw) : NULL); 327a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian 328a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian { // scope for the lock 329a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian Mutex::Autolock _l(lock); 330fb87e54a9af8bc5063ca4deebe81d90126992480Mathias Agopian if (c) { 331a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian result = c->cnx->egl.eglMakeCurrent( 332ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian disp.dpy, impl_draw, impl_read, impl_ctx); 333a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian if (result == EGL_TRUE) { 334a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian c->onMakeCurrent(draw, read); 335a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian } 336a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian } else { 337a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian result = cur_c->cnx->egl.eglMakeCurrent( 338ada798b7ca7cabc255aa159964b64975e7fdb2dfMathias Agopian disp.dpy, impl_draw, impl_read, impl_ctx); 339a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian if (result == EGL_TRUE) { 340a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian cur_c->onLooseCurrent(); 341a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian } 342fb87e54a9af8bc5063ca4deebe81d90126992480Mathias Agopian } 343fb87e54a9af8bc5063ca4deebe81d90126992480Mathias Agopian } 344a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian 345a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian if (result == EGL_TRUE) { 346a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian // This cannot be called with the lock held because it might end-up 347a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian // calling back into EGL (in particular when a surface is destroyed 348a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian // it calls ANativeWindow::disconnect 349a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian _cur_c.release(); 350a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian _cur_r.release(); 351a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian _cur_d.release(); 352a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian } 353a4b2c041828d1074dca3b999407e7dd85568c5aaMathias Agopian 354fb87e54a9af8bc5063ca4deebe81d90126992480Mathias Agopian return result; 355fb87e54a9af8bc5063ca4deebe81d90126992480Mathias Agopian} 356518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian 357518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian// ---------------------------------------------------------------------------- 358518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian}; // namespace android 359518ec112f468eb67bf681b3eec896d7bfb4ff98dMathias Agopian// ---------------------------------------------------------------------------- 360