/* ** Copyright 2007, The Android Open Source Project ** ** Licensed under the Apache License, Version 2.0 (the "License"); ** you may not use this file except in compliance with the License. ** You may obtain a copy of the License at ** ** http://www.apache.org/licenses/LICENSE-2.0 ** ** Unless required by applicable law or agreed to in writing, software ** distributed under the License is distributed on an "AS IS" BASIS, ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. ** See the License for the specific language governing permissions and ** limitations under the License. */ #include #include #include #include #include #include #ifdef HAVE_ANDROID_OS #include #endif #include #include #include #include #include #include #include #include #include #include #include #include #include "hooks.h" #include "egl_impl.h" #include "Loader.h" #define setError(_e, _r) setErrorEtc(__FUNCTION__, __LINE__, _e, _r) // ---------------------------------------------------------------------------- namespace android { // ---------------------------------------------------------------------------- #define VERSION_MAJOR 1 #define VERSION_MINOR 4 static char const * const gVendorString = "Android"; static char const * const gVersionString = "1.4 Android META-EGL"; static char const * const gClientApiString = "OpenGL ES"; static char const * const gExtensionString = "EGL_KHR_image " "EGL_KHR_image_base " "EGL_KHR_image_pixmap " "EGL_KHR_gl_texture_2D_image " "EGL_KHR_gl_texture_cubemap_image " "EGL_KHR_gl_renderbuffer_image " "EGL_KHR_fence_sync " "EGL_ANDROID_image_native_buffer " "EGL_ANDROID_swap_rectangle " ; // ---------------------------------------------------------------------------- class egl_object_t { static SortedVector sObjects; static Mutex sLock; volatile int32_t terminated; mutable volatile int32_t count; public: egl_object_t() : terminated(0), count(1) { Mutex::Autolock _l(sLock); sObjects.add(this); } inline bool isAlive() const { return !terminated; } private: bool get() { Mutex::Autolock _l(sLock); if (egl_object_t::sObjects.indexOf(this) >= 0) { android_atomic_inc(&count); return true; } return false; } bool put() { Mutex::Autolock _l(sLock); if (android_atomic_dec(&count) == 1) { sObjects.remove(this); return true; } return false; } public: template struct LocalRef { N* ref; LocalRef(T o) : ref(0) { N* native = reinterpret_cast(o); if (o && native->get()) { ref = native; } } ~LocalRef() { if (ref && ref->put()) { delete ref; } } inline N* get() { return ref; } void acquire() const { if (ref) { android_atomic_inc(&ref->count); } } void release() const { if (ref) { int32_t c = android_atomic_dec(&ref->count); // ref->count cannot be 1 prior atomic_dec because we have // a reference, and if we have one, it means there was // already one before us. LOGE_IF(c==1, "refcount is now 0 in release()"); } } void terminate() { if (ref) { ref->terminated = 1; release(); } } }; }; SortedVector egl_object_t::sObjects; Mutex egl_object_t::sLock; struct egl_config_t { egl_config_t() {} egl_config_t(int impl, EGLConfig config) : impl(impl), config(config), configId(0), implConfigId(0) { } int impl; // the implementation this config is for EGLConfig config; // the implementation's EGLConfig EGLint configId; // our CONFIG_ID EGLint implConfigId; // the implementation's CONFIG_ID inline bool operator < (const egl_config_t& rhs) const { if (impl < rhs.impl) return true; if (impl > rhs.impl) return false; return config < rhs.config; } }; struct egl_display_t { enum { NOT_INITIALIZED, INITIALIZED, TERMINATED }; struct strings_t { char const * vendor; char const * version; char const * clientApi; char const * extensions; }; struct DisplayImpl { DisplayImpl() : dpy(EGL_NO_DISPLAY), config(0), state(NOT_INITIALIZED), numConfigs(0) { } EGLDisplay dpy; EGLConfig* config; EGLint state; EGLint numConfigs; strings_t queryString; }; uint32_t magic; DisplayImpl disp[IMPL_NUM_IMPLEMENTATIONS]; EGLint numTotalConfigs; egl_config_t* configs; uint32_t refs; Mutex lock; egl_display_t() : magic('_dpy'), numTotalConfigs(0), configs(0) { } ~egl_display_t() { magic = 0; } inline bool isValid() const { return magic == '_dpy'; } inline bool isAlive() const { return isValid(); } }; struct egl_surface_t : public egl_object_t { typedef egl_object_t::LocalRef Ref; egl_surface_t(EGLDisplay dpy, EGLConfig config, EGLNativeWindowType win, EGLSurface surface, int impl, egl_connection_t const* cnx) : dpy(dpy), surface(surface), config(config), win(win), impl(impl), cnx(cnx) { } ~egl_surface_t() { } EGLDisplay dpy; EGLSurface surface; EGLConfig config; sp win; int impl; egl_connection_t const* cnx; }; struct egl_context_t : public egl_object_t { typedef egl_object_t::LocalRef Ref; egl_context_t(EGLDisplay dpy, EGLContext context, EGLConfig config, int impl, egl_connection_t const* cnx, int version) : dpy(dpy), context(context), config(config), read(0), draw(0), impl(impl), cnx(cnx), version(version) { } EGLDisplay dpy; EGLContext context; EGLConfig config; EGLSurface read; EGLSurface draw; int impl; egl_connection_t const* cnx; int version; }; struct egl_image_t : public egl_object_t { typedef egl_object_t::LocalRef Ref; egl_image_t(EGLDisplay dpy, EGLContext context) : dpy(dpy), context(context) { memset(images, 0, sizeof(images)); } EGLDisplay dpy; EGLContext context; EGLImageKHR images[IMPL_NUM_IMPLEMENTATIONS]; }; struct egl_sync_t : public egl_object_t { typedef egl_object_t::LocalRef Ref; egl_sync_t(EGLDisplay dpy, EGLContext context, EGLSyncKHR sync) : dpy(dpy), context(context), sync(sync) { } EGLDisplay dpy; EGLContext context; EGLSyncKHR sync; }; typedef egl_surface_t::Ref SurfaceRef; typedef egl_context_t::Ref ContextRef; typedef egl_image_t::Ref ImageRef; typedef egl_sync_t::Ref SyncRef; struct tls_t { tls_t() : error(EGL_SUCCESS), ctx(0), logCallWithNoContext(EGL_TRUE) { } EGLint error; EGLContext ctx; EGLBoolean logCallWithNoContext; }; // ---------------------------------------------------------------------------- static egl_connection_t gEGLImpl[IMPL_NUM_IMPLEMENTATIONS]; static egl_display_t gDisplay[NUM_DISPLAYS]; static pthread_mutex_t gThreadLocalStorageKeyMutex = PTHREAD_MUTEX_INITIALIZER; static pthread_key_t gEGLThreadLocalStorageKey = -1; // ---------------------------------------------------------------------------- EGLAPI gl_hooks_t gHooks[2][IMPL_NUM_IMPLEMENTATIONS]; EGLAPI gl_hooks_t gHooksNoContext; EGLAPI pthread_key_t gGLWrapperKey = -1; #if EGL_TRACE EGLAPI pthread_key_t gGLTraceKey = -1; // ---------------------------------------------------------------------------- static int gEGLTraceLevel, gEGLDebugLevel; static int gEGLApplicationTraceLevel; extern EGLAPI gl_hooks_t gHooksTrace, gHooksDebug; static inline void setGlTraceThreadSpecific(gl_hooks_t const *value) { pthread_setspecific(gGLTraceKey, value); } gl_hooks_t const* getGLTraceThreadSpecific() { return static_cast(pthread_getspecific(gGLTraceKey)); } static void initEglTraceLevel() { char value[PROPERTY_VALUE_MAX]; property_get("debug.egl.trace", value, "0"); int propertyLevel = atoi(value); int applicationLevel = gEGLApplicationTraceLevel; gEGLTraceLevel = propertyLevel > applicationLevel ? propertyLevel : applicationLevel; property_get("debug.egl.debug_proc", value, ""); long pid = getpid(); char procPath[128] = {}; sprintf(procPath, "/proc/%ld/cmdline", pid); FILE * file = fopen(procPath, "r"); if (file) { char cmdline[256] = {}; if (fgets(cmdline, sizeof(cmdline) - 1, file)) { LOGD("\n*\n*\n* initEglTraceLevel cmdline='%s' \n*\n*", cmdline); if (!strcmp(value, cmdline)) gEGLDebugLevel = 1; } fclose(file); } extern void StartDebugServer(); if (gEGLDebugLevel > 0) StartDebugServer(); } static void setGLHooksThreadSpecific(gl_hooks_t const *value) { if (gEGLTraceLevel > 0) { setGlTraceThreadSpecific(value); setGlThreadSpecific(&gHooksTrace); } else if (gEGLDebugLevel > 0) { setGlTraceThreadSpecific(value); setGlThreadSpecific(&gHooksDebug); LOGD("\n* setGLHooksThreadSpecific gHooksDebug"); } else { setGlThreadSpecific(value); } } /* * Global entry point to allow applications to modify their own trace level. * The effective trace level is the max of this level and the value of debug.egl.trace. */ extern "C" void setGLTraceLevel(int level) { gEGLApplicationTraceLevel = level; } #else static inline void setGLHooksThreadSpecific(gl_hooks_t const *value) { setGlThreadSpecific(value); } #endif // ---------------------------------------------------------------------------- static __attribute__((noinline)) const char *egl_strerror(EGLint err) { switch (err){ case EGL_SUCCESS: return "EGL_SUCCESS"; case EGL_NOT_INITIALIZED: return "EGL_NOT_INITIALIZED"; case EGL_BAD_ACCESS: return "EGL_BAD_ACCESS"; case EGL_BAD_ALLOC: return "EGL_BAD_ALLOC"; case EGL_BAD_ATTRIBUTE: return "EGL_BAD_ATTRIBUTE"; case EGL_BAD_CONFIG: return "EGL_BAD_CONFIG"; case EGL_BAD_CONTEXT: return "EGL_BAD_CONTEXT"; case EGL_BAD_CURRENT_SURFACE: return "EGL_BAD_CURRENT_SURFACE"; case EGL_BAD_DISPLAY: return "EGL_BAD_DISPLAY"; case EGL_BAD_MATCH: return "EGL_BAD_MATCH"; case EGL_BAD_NATIVE_PIXMAP: return "EGL_BAD_NATIVE_PIXMAP"; case EGL_BAD_NATIVE_WINDOW: return "EGL_BAD_NATIVE_WINDOW"; case EGL_BAD_PARAMETER: return "EGL_BAD_PARAMETER"; case EGL_BAD_SURFACE: return "EGL_BAD_SURFACE"; case EGL_CONTEXT_LOST: return "EGL_CONTEXT_LOST"; default: return "UNKNOWN"; } } static __attribute__((noinline)) void clearTLS() { if (gEGLThreadLocalStorageKey != -1) { tls_t* tls = (tls_t*)pthread_getspecific(gEGLThreadLocalStorageKey); if (tls) { delete tls; pthread_setspecific(gEGLThreadLocalStorageKey, 0); } } } static tls_t* getTLS() { tls_t* tls = (tls_t*)pthread_getspecific(gEGLThreadLocalStorageKey); if (tls == 0) { tls = new tls_t; pthread_setspecific(gEGLThreadLocalStorageKey, tls); } return tls; } static inline void clearError() { // This must clear the error from all the underlying EGL implementations as // well as the EGL wrapper layer. eglGetError(); } template static __attribute__((noinline)) T setErrorEtc(const char* caller, int line, EGLint error, T returnValue) { if (gEGLThreadLocalStorageKey == -1) { pthread_mutex_lock(&gThreadLocalStorageKeyMutex); if (gEGLThreadLocalStorageKey == -1) pthread_key_create(&gEGLThreadLocalStorageKey, NULL); pthread_mutex_unlock(&gThreadLocalStorageKeyMutex); } tls_t* tls = getTLS(); if (tls->error != error) { LOGE("%s:%d error %x (%s)", caller, line, error, egl_strerror(error)); tls->error = error; } return returnValue; } static __attribute__((noinline)) GLint getError() { if (gEGLThreadLocalStorageKey == -1) return EGL_SUCCESS; tls_t* tls = (tls_t*)pthread_getspecific(gEGLThreadLocalStorageKey); if (!tls) return EGL_SUCCESS; GLint error = tls->error; tls->error = EGL_SUCCESS; return error; } static __attribute__((noinline)) void setContext(EGLContext ctx) { if (gEGLThreadLocalStorageKey == -1) { pthread_mutex_lock(&gThreadLocalStorageKeyMutex); if (gEGLThreadLocalStorageKey == -1) pthread_key_create(&gEGLThreadLocalStorageKey, NULL); pthread_mutex_unlock(&gThreadLocalStorageKeyMutex); } tls_t* tls = getTLS(); tls->ctx = ctx; } static __attribute__((noinline)) EGLContext getContext() { if (gEGLThreadLocalStorageKey == -1) return EGL_NO_CONTEXT; tls_t* tls = (tls_t*)pthread_getspecific(gEGLThreadLocalStorageKey); if (!tls) return EGL_NO_CONTEXT; return tls->ctx; } /*****************************************************************************/ template static __attribute__((noinline)) int binarySearch( T const sortedArray[], int first, int last, T key) { while (first <= last) { int mid = (first + last) / 2; if (sortedArray[mid] < key) { first = mid + 1; } else if (key < sortedArray[mid]) { last = mid - 1; } else { return mid; } } return -1; } static int cmp_configs(const void* a, const void *b) { const egl_config_t& c0 = *(egl_config_t const *)a; const egl_config_t& c1 = *(egl_config_t const *)b; return c0 gGLExtentionMap; static int gGLExtentionSlot = 0; static void(*findProcAddress(const char* name, const extention_map_t* map, size_t n))() { for (uint32_t i=0 ; ilogCallWithNoContext == EGL_TRUE) { tls->logCallWithNoContext = EGL_FALSE; LOGE("call to OpenGL ES API with no current context " "(logged once per thread)"); } return 0; } static void early_egl_init(void) { #if !USE_FAST_TLS_KEY pthread_key_create(&gGLWrapperKey, NULL); #endif #if EGL_TRACE pthread_key_create(&gGLTraceKey, NULL); initEglTraceLevel(); #endif uint32_t addr = (uint32_t)((void*)gl_no_context); android_memset32( (uint32_t*)(void*)&gHooksNoContext, addr, sizeof(gHooksNoContext)); setGLHooksThreadSpecific(&gHooksNoContext); } static pthread_once_t once_control = PTHREAD_ONCE_INIT; static int sEarlyInitState = pthread_once(&once_control, &early_egl_init); static inline egl_display_t* get_display(EGLDisplay dpy) { uintptr_t index = uintptr_t(dpy)-1U; return (index >= NUM_DISPLAYS) ? NULL : &gDisplay[index]; } template static inline NATIVE* egl_to_native_cast(EGL arg) { return reinterpret_cast(arg); } static inline egl_surface_t* get_surface(EGLSurface surface) { return egl_to_native_cast(surface); } static inline egl_context_t* get_context(EGLContext context) { return egl_to_native_cast(context); } static inline egl_image_t* get_image(EGLImageKHR image) { return egl_to_native_cast(image); } static inline egl_sync_t* get_sync(EGLSyncKHR sync) { return egl_to_native_cast(sync); } static egl_connection_t* validate_display_config( EGLDisplay dpy, EGLConfig config, egl_display_t const*& dp) { dp = get_display(dpy); if (!dp) return setError(EGL_BAD_DISPLAY, (egl_connection_t*)NULL); if (intptr_t(config) >= dp->numTotalConfigs) { return setError(EGL_BAD_CONFIG, (egl_connection_t*)NULL); } egl_connection_t* const cnx = &gEGLImpl[dp->configs[intptr_t(config)].impl]; if (cnx->dso == 0) { return setError(EGL_BAD_CONFIG, (egl_connection_t*)NULL); } return cnx; } static EGLBoolean validate_display_context(EGLDisplay dpy, EGLContext ctx) { if ((uintptr_t(dpy)-1U) >= NUM_DISPLAYS) return setError(EGL_BAD_DISPLAY, EGL_FALSE); if (!get_display(dpy)->isAlive()) return setError(EGL_BAD_DISPLAY, EGL_FALSE); if (!get_context(ctx)->isAlive()) return setError(EGL_BAD_CONTEXT, EGL_FALSE); return EGL_TRUE; } static EGLBoolean validate_display_surface(EGLDisplay dpy, EGLSurface surface) { if ((uintptr_t(dpy)-1U) >= NUM_DISPLAYS) return setError(EGL_BAD_DISPLAY, EGL_FALSE); if (!get_display(dpy)->isAlive()) return setError(EGL_BAD_DISPLAY, EGL_FALSE); if (!get_surface(surface)->isAlive()) return setError(EGL_BAD_SURFACE, EGL_FALSE); return EGL_TRUE; } EGLImageKHR egl_get_image_for_current_context(EGLImageKHR image) { ImageRef _i(image); if (!_i.get()) return EGL_NO_IMAGE_KHR; EGLContext context = getContext(); if (context == EGL_NO_CONTEXT || image == EGL_NO_IMAGE_KHR) return EGL_NO_IMAGE_KHR; egl_context_t const * const c = get_context(context); if (!c->isAlive()) return EGL_NO_IMAGE_KHR; egl_image_t const * const i = get_image(image); return i->images[c->impl]; } // ---------------------------------------------------------------------------- // this mutex protects: // d->disp[] // egl_init_drivers_locked() // static pthread_mutex_t gInitDriverMutex = PTHREAD_MUTEX_INITIALIZER; EGLBoolean egl_init_drivers_locked() { if (sEarlyInitState) { // initialized by static ctor. should be set here. return EGL_FALSE; } // get our driver loader Loader& loader(Loader::getInstance()); // dynamically load all our EGL implementations for all displays // and retrieve the corresponding EGLDisplay // if that fails, don't use this driver. // TODO: currently we only deal with EGL_DEFAULT_DISPLAY egl_connection_t* cnx; egl_display_t* d = &gDisplay[0]; cnx = &gEGLImpl[IMPL_SOFTWARE]; if (cnx->dso == 0) { cnx->hooks[GLESv1_INDEX] = &gHooks[GLESv1_INDEX][IMPL_SOFTWARE]; cnx->hooks[GLESv2_INDEX] = &gHooks[GLESv2_INDEX][IMPL_SOFTWARE]; cnx->dso = loader.open(EGL_DEFAULT_DISPLAY, 0, cnx); if (cnx->dso) { EGLDisplay dpy = cnx->egl.eglGetDisplay(EGL_DEFAULT_DISPLAY); LOGE_IF(dpy==EGL_NO_DISPLAY, "No EGLDisplay for software EGL!"); d->disp[IMPL_SOFTWARE].dpy = dpy; if (dpy == EGL_NO_DISPLAY) { loader.close(cnx->dso); cnx->dso = NULL; } } } cnx = &gEGLImpl[IMPL_HARDWARE]; if (cnx->dso == 0) { char value[PROPERTY_VALUE_MAX]; property_get("debug.egl.hw", value, "1"); if (atoi(value) != 0) { cnx->hooks[GLESv1_INDEX] = &gHooks[GLESv1_INDEX][IMPL_HARDWARE]; cnx->hooks[GLESv2_INDEX] = &gHooks[GLESv2_INDEX][IMPL_HARDWARE]; cnx->dso = loader.open(EGL_DEFAULT_DISPLAY, 1, cnx); if (cnx->dso) { EGLDisplay dpy = cnx->egl.eglGetDisplay(EGL_DEFAULT_DISPLAY); LOGE_IF(dpy==EGL_NO_DISPLAY, "No EGLDisplay for hardware EGL!"); d->disp[IMPL_HARDWARE].dpy = dpy; if (dpy == EGL_NO_DISPLAY) { loader.close(cnx->dso); cnx->dso = NULL; } } } else { LOGD("3D hardware acceleration is disabled"); } } if (!gEGLImpl[IMPL_SOFTWARE].dso && !gEGLImpl[IMPL_HARDWARE].dso) { return EGL_FALSE; } return EGL_TRUE; } EGLBoolean egl_init_drivers() { EGLBoolean res; pthread_mutex_lock(&gInitDriverMutex); res = egl_init_drivers_locked(); pthread_mutex_unlock(&gInitDriverMutex); return res; } // ---------------------------------------------------------------------------- }; // namespace android // ---------------------------------------------------------------------------- using namespace android; EGLDisplay eglGetDisplay(NativeDisplayType display) { clearError(); uint32_t index = uint32_t(display); if (index >= NUM_DISPLAYS) { return setError(EGL_BAD_PARAMETER, EGL_NO_DISPLAY); } if (egl_init_drivers() == EGL_FALSE) { return setError(EGL_BAD_PARAMETER, EGL_NO_DISPLAY); } EGLDisplay dpy = EGLDisplay(uintptr_t(display) + 1LU); return dpy; } // ---------------------------------------------------------------------------- // Initialization // ---------------------------------------------------------------------------- EGLBoolean eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor) { clearError(); egl_display_t * const dp = get_display(dpy); if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE); Mutex::Autolock _l(dp->lock); if (dp->refs > 0) { if (major != NULL) *major = VERSION_MAJOR; if (minor != NULL) *minor = VERSION_MINOR; dp->refs++; return EGL_TRUE; } #if EGL_TRACE // Called both at early_init time and at this time. (Early_init is pre-zygote, so // the information from that call may be stale.) initEglTraceLevel(); #endif setGLHooksThreadSpecific(&gHooksNoContext); // initialize each EGL and // build our own extension string first, based on the extension we know // and the extension supported by our client implementation for (int i=0 ; imajor = -1; cnx->minor = -1; if (!cnx->dso) continue; #if defined(ADRENO130) #warning "Adreno-130 eglInitialize() workaround" /* * The ADRENO 130 driver returns a different EGLDisplay each time * eglGetDisplay() is called, but also makes the EGLDisplay invalid * after eglTerminate() has been called, so that eglInitialize() * cannot be called again. Therefore, we need to make sure to call * eglGetDisplay() before calling eglInitialize(); */ if (i == IMPL_HARDWARE) { dp->disp[i].dpy = cnx->egl.eglGetDisplay(EGL_DEFAULT_DISPLAY); } #endif EGLDisplay idpy = dp->disp[i].dpy; if (cnx->egl.eglInitialize(idpy, &cnx->major, &cnx->minor)) { //LOGD("initialized %d dpy=%p, ver=%d.%d, cnx=%p", // i, idpy, cnx->major, cnx->minor, cnx); // display is now initialized dp->disp[i].state = egl_display_t::INITIALIZED; // get the query-strings for this display for each implementation dp->disp[i].queryString.vendor = cnx->egl.eglQueryString(idpy, EGL_VENDOR); dp->disp[i].queryString.version = cnx->egl.eglQueryString(idpy, EGL_VERSION); dp->disp[i].queryString.extensions = cnx->egl.eglQueryString(idpy, EGL_EXTENSIONS); dp->disp[i].queryString.clientApi = cnx->egl.eglQueryString(idpy, EGL_CLIENT_APIS); } else { LOGW("%d: eglInitialize(%p) failed (%s)", i, idpy, egl_strerror(cnx->egl.eglGetError())); } } EGLBoolean res = EGL_FALSE; for (int i=0 ; idso && cnx->major>=0 && cnx->minor>=0) { EGLint n; if (cnx->egl.eglGetConfigs(dp->disp[i].dpy, 0, 0, &n)) { dp->disp[i].config = (EGLConfig*)malloc(sizeof(EGLConfig)*n); if (dp->disp[i].config) { if (cnx->egl.eglGetConfigs( dp->disp[i].dpy, dp->disp[i].config, n, &dp->disp[i].numConfigs)) { dp->numTotalConfigs += n; res = EGL_TRUE; } } } } } if (res == EGL_TRUE) { dp->configs = new egl_config_t[ dp->numTotalConfigs ]; for (int i=0, k=0 ; idso && cnx->major>=0 && cnx->minor>=0) { for (int j=0 ; jdisp[i].numConfigs ; j++) { dp->configs[k].impl = i; dp->configs[k].config = dp->disp[i].config[j]; dp->configs[k].configId = k + 1; // CONFIG_ID start at 1 // store the implementation's CONFIG_ID cnx->egl.eglGetConfigAttrib( dp->disp[i].dpy, dp->disp[i].config[j], EGL_CONFIG_ID, &dp->configs[k].implConfigId); k++; } } } // sort our configurations so we can do binary-searches qsort( dp->configs, dp->numTotalConfigs, sizeof(egl_config_t), cmp_configs); dp->refs++; if (major != NULL) *major = VERSION_MAJOR; if (minor != NULL) *minor = VERSION_MINOR; return EGL_TRUE; } return setError(EGL_NOT_INITIALIZED, EGL_FALSE); } EGLBoolean eglTerminate(EGLDisplay dpy) { // NOTE: don't unload the drivers b/c some APIs can be called // after eglTerminate() has been called. eglTerminate() only // terminates an EGLDisplay, not a EGL itself. clearError(); egl_display_t* const dp = get_display(dpy); if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE); Mutex::Autolock _l(dp->lock); if (dp->refs == 0) { return setError(EGL_NOT_INITIALIZED, EGL_FALSE); } // this is specific to Android, display termination is ref-counted. if (dp->refs > 1) { dp->refs--; return EGL_TRUE; } EGLBoolean res = EGL_FALSE; for (int i=0 ; idso && dp->disp[i].state == egl_display_t::INITIALIZED) { if (cnx->egl.eglTerminate(dp->disp[i].dpy) == EGL_FALSE) { LOGW("%d: eglTerminate(%p) failed (%s)", i, dp->disp[i].dpy, egl_strerror(cnx->egl.eglGetError())); } // REVISIT: it's unclear what to do if eglTerminate() fails free(dp->disp[i].config); dp->disp[i].numConfigs = 0; dp->disp[i].config = 0; dp->disp[i].state = egl_display_t::TERMINATED; res = EGL_TRUE; } } // TODO: all egl_object_t should be marked for termination dp->refs--; dp->numTotalConfigs = 0; delete [] dp->configs; return res; } // ---------------------------------------------------------------------------- // configuration // ---------------------------------------------------------------------------- EGLBoolean eglGetConfigs( EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config) { clearError(); egl_display_t const * const dp = get_display(dpy); if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE); GLint numConfigs = dp->numTotalConfigs; if (!configs) { *num_config = numConfigs; return EGL_TRUE; } GLint n = 0; for (intptr_t i=0 ; inumTotalConfigs && config_size ; i++) { *configs++ = EGLConfig(i); config_size--; n++; } *num_config = n; return EGL_TRUE; } EGLBoolean eglChooseConfig( EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config) { clearError(); egl_display_t const * const dp = get_display(dpy); if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE); if (num_config==0) { return setError(EGL_BAD_PARAMETER, EGL_FALSE); } EGLint n; EGLBoolean res = EGL_FALSE; *num_config = 0; // It is unfortunate, but we need to remap the EGL_CONFIG_IDs, // to do this, we have to go through the attrib_list array once // to figure out both its size and if it contains an EGL_CONFIG_ID // key. If so, the full array is copied and patched. // NOTE: we assume that there can be only one occurrence // of EGL_CONFIG_ID. EGLint patch_index = -1; GLint attr; size_t size = 0; if (attrib_list) { while ((attr=attrib_list[size]) != EGL_NONE) { if (attr == EGL_CONFIG_ID) patch_index = size; size += 2; } } if (patch_index >= 0) { size += 2; // we need copy the sentinel as well EGLint* new_list = (EGLint*)malloc(size*sizeof(EGLint)); if (new_list == 0) return setError(EGL_BAD_ALLOC, EGL_FALSE); memcpy(new_list, attrib_list, size*sizeof(EGLint)); // patch the requested EGL_CONFIG_ID bool found = false; EGLConfig ourConfig(0); EGLint& configId(new_list[patch_index+1]); for (intptr_t i=0 ; inumTotalConfigs ; i++) { if (dp->configs[i].configId == configId) { ourConfig = EGLConfig(i); configId = dp->configs[i].implConfigId; found = true; break; } } egl_connection_t* const cnx = &gEGLImpl[dp->configs[intptr_t(ourConfig)].impl]; if (found && cnx->dso) { // and switch to the new list attrib_list = const_cast(new_list); // At this point, the only configuration that can match is // dp->configs[i][index], however, we don't know if it would be // rejected because of the other attributes, so we do have to call // cnx->egl.eglChooseConfig() -- but we don't have to loop // through all the EGLimpl[]. // We also know we can only get a single config back, and we know // which one. res = cnx->egl.eglChooseConfig( dp->disp[ dp->configs[intptr_t(ourConfig)].impl ].dpy, attrib_list, configs, config_size, &n); if (res && n>0) { // n has to be 0 or 1, by construction, and we already know // which config it will return (since there can be only one). if (configs) { configs[0] = ourConfig; } *num_config = 1; } } free(const_cast(attrib_list)); return res; } for (int i=0 ; idso) { if (cnx->egl.eglChooseConfig( dp->disp[i].dpy, attrib_list, configs, config_size, &n)) { if (configs) { // now we need to convert these client EGLConfig to our // internal EGLConfig format. // This is done in O(n Log(n)) time. for (int j=0 ; j( dp->configs, 0, dp->numTotalConfigs, key); if (index >= 0) { configs[j] = EGLConfig(index); } else { return setError(EGL_BAD_CONFIG, EGL_FALSE); } } configs += n; config_size -= n; } *num_config += n; res = EGL_TRUE; } } } return res; } EGLBoolean eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value) { clearError(); egl_display_t const* dp = 0; egl_connection_t* cnx = validate_display_config(dpy, config, dp); if (!cnx) return EGL_FALSE; if (attribute == EGL_CONFIG_ID) { *value = dp->configs[intptr_t(config)].configId; return EGL_TRUE; } return cnx->egl.eglGetConfigAttrib( dp->disp[ dp->configs[intptr_t(config)].impl ].dpy, dp->configs[intptr_t(config)].config, attribute, value); } // ---------------------------------------------------------------------------- // surfaces // ---------------------------------------------------------------------------- EGLSurface eglCreateWindowSurface( EGLDisplay dpy, EGLConfig config, NativeWindowType window, const EGLint *attrib_list) { clearError(); egl_display_t const* dp = 0; egl_connection_t* cnx = validate_display_config(dpy, config, dp); if (cnx) { EGLDisplay iDpy = dp->disp[ dp->configs[intptr_t(config)].impl ].dpy; EGLConfig iConfig = dp->configs[intptr_t(config)].config; EGLint format; // set the native window's buffers format to match this config if (cnx->egl.eglGetConfigAttrib(iDpy, iConfig, EGL_NATIVE_VISUAL_ID, &format)) { if (format != 0) { native_window_set_buffers_geometry(window, 0, 0, format); } } EGLSurface surface = cnx->egl.eglCreateWindowSurface( iDpy, iConfig, window, attrib_list); if (surface != EGL_NO_SURFACE) { egl_surface_t* s = new egl_surface_t(dpy, config, window, surface, dp->configs[intptr_t(config)].impl, cnx); return s; } } return EGL_NO_SURFACE; } EGLSurface eglCreatePixmapSurface( EGLDisplay dpy, EGLConfig config, NativePixmapType pixmap, const EGLint *attrib_list) { clearError(); egl_display_t const* dp = 0; egl_connection_t* cnx = validate_display_config(dpy, config, dp); if (cnx) { EGLSurface surface = cnx->egl.eglCreatePixmapSurface( dp->disp[ dp->configs[intptr_t(config)].impl ].dpy, dp->configs[intptr_t(config)].config, pixmap, attrib_list); if (surface != EGL_NO_SURFACE) { egl_surface_t* s = new egl_surface_t(dpy, config, NULL, surface, dp->configs[intptr_t(config)].impl, cnx); return s; } } return EGL_NO_SURFACE; } EGLSurface eglCreatePbufferSurface( EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list) { clearError(); egl_display_t const* dp = 0; egl_connection_t* cnx = validate_display_config(dpy, config, dp); if (cnx) { EGLSurface surface = cnx->egl.eglCreatePbufferSurface( dp->disp[ dp->configs[intptr_t(config)].impl ].dpy, dp->configs[intptr_t(config)].config, attrib_list); if (surface != EGL_NO_SURFACE) { egl_surface_t* s = new egl_surface_t(dpy, config, NULL, surface, dp->configs[intptr_t(config)].impl, cnx); return s; } } return EGL_NO_SURFACE; } EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface surface) { clearError(); SurfaceRef _s(surface); if (!_s.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE); if (!validate_display_surface(dpy, surface)) return EGL_FALSE; egl_display_t const * const dp = get_display(dpy); egl_surface_t * const s = get_surface(surface); EGLBoolean result = s->cnx->egl.eglDestroySurface( dp->disp[s->impl].dpy, s->surface); if (result == EGL_TRUE) { if (s->win != NULL) { native_window_set_buffers_geometry(s->win.get(), 0, 0, 0); } _s.terminate(); } return result; } EGLBoolean eglQuerySurface( EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint *value) { clearError(); SurfaceRef _s(surface); if (!_s.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE); if (!validate_display_surface(dpy, surface)) return EGL_FALSE; egl_display_t const * const dp = get_display(dpy); egl_surface_t const * const s = get_surface(surface); EGLBoolean result(EGL_TRUE); if (attribute == EGL_CONFIG_ID) { // We need to remap EGL_CONFIG_IDs *value = dp->configs[intptr_t(s->config)].configId; } else { result = s->cnx->egl.eglQuerySurface( dp->disp[s->impl].dpy, s->surface, attribute, value); } return result; } // ---------------------------------------------------------------------------- // Contexts // ---------------------------------------------------------------------------- EGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config, EGLContext share_list, const EGLint *attrib_list) { clearError(); egl_display_t const* dp = 0; egl_connection_t* cnx = validate_display_config(dpy, config, dp); if (cnx) { if (share_list != EGL_NO_CONTEXT) { egl_context_t* const c = get_context(share_list); share_list = c->context; } EGLContext context = cnx->egl.eglCreateContext( dp->disp[ dp->configs[intptr_t(config)].impl ].dpy, dp->configs[intptr_t(config)].config, share_list, attrib_list); if (context != EGL_NO_CONTEXT) { // figure out if it's a GLESv1 or GLESv2 int version = 0; if (attrib_list) { while (*attrib_list != EGL_NONE) { GLint attr = *attrib_list++; GLint value = *attrib_list++; if (attr == EGL_CONTEXT_CLIENT_VERSION) { if (value == 1) { version = GLESv1_INDEX; } else if (value == 2) { version = GLESv2_INDEX; } } }; } egl_context_t* c = new egl_context_t(dpy, context, config, dp->configs[intptr_t(config)].impl, cnx, version); return c; } } return EGL_NO_CONTEXT; } EGLBoolean eglDestroyContext(EGLDisplay dpy, EGLContext ctx) { clearError(); ContextRef _c(ctx); if (!_c.get()) return setError(EGL_BAD_CONTEXT, EGL_FALSE); if (!validate_display_context(dpy, ctx)) return EGL_FALSE; egl_display_t const * const dp = get_display(dpy); egl_context_t * const c = get_context(ctx); EGLBoolean result = c->cnx->egl.eglDestroyContext( dp->disp[c->impl].dpy, c->context); if (result == EGL_TRUE) { _c.terminate(); } return result; } static void loseCurrent(egl_context_t * cur_c) { if (cur_c) { egl_surface_t * cur_r = get_surface(cur_c->read); egl_surface_t * cur_d = get_surface(cur_c->draw); // by construction, these are either 0 or valid (possibly terminated) // it should be impossible for these to be invalid ContextRef _cur_c(cur_c); SurfaceRef _cur_r(cur_r); SurfaceRef _cur_d(cur_d); cur_c->read = NULL; cur_c->draw = NULL; _cur_c.release(); _cur_r.release(); _cur_d.release(); } } EGLBoolean eglMakeCurrent( EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx) { clearError(); // get a reference to the object passed in ContextRef _c(ctx); SurfaceRef _d(draw); SurfaceRef _r(read); // validate the display and the context (if not EGL_NO_CONTEXT) egl_display_t const * const dp = get_display(dpy); if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE); if ((ctx != EGL_NO_CONTEXT) && (!validate_display_context(dpy, ctx))) { // EGL_NO_CONTEXT is valid return EGL_FALSE; } // these are the underlying implementation's object EGLContext impl_ctx = EGL_NO_CONTEXT; EGLSurface impl_draw = EGL_NO_SURFACE; EGLSurface impl_read = EGL_NO_SURFACE; // these are our objects structs passed in egl_context_t * c = NULL; egl_surface_t const * d = NULL; egl_surface_t const * r = NULL; // these are the current objects structs egl_context_t * cur_c = get_context(getContext()); if (ctx != EGL_NO_CONTEXT) { c = get_context(ctx); impl_ctx = c->context; } else { // no context given, use the implementation of the current context if (cur_c == NULL) { // no current context if (draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE) { // calling eglMakeCurrent( ..., !=0, !=0, EGL_NO_CONTEXT); return setError(EGL_BAD_MATCH, EGL_FALSE); } // not an error, there is just no current context. return EGL_TRUE; } } // retrieve the underlying implementation's draw EGLSurface if (draw != EGL_NO_SURFACE) { d = get_surface(draw); // make sure the EGLContext and EGLSurface passed in are for // the same driver if (c && d->impl != c->impl) return setError(EGL_BAD_MATCH, EGL_FALSE); impl_draw = d->surface; } // retrieve the underlying implementation's read EGLSurface if (read != EGL_NO_SURFACE) { r = get_surface(read); // make sure the EGLContext and EGLSurface passed in are for // the same driver if (c && r->impl != c->impl) return setError(EGL_BAD_MATCH, EGL_FALSE); impl_read = r->surface; } EGLBoolean result; if (c) { result = c->cnx->egl.eglMakeCurrent( dp->disp[c->impl].dpy, impl_draw, impl_read, impl_ctx); } else { result = cur_c->cnx->egl.eglMakeCurrent( dp->disp[cur_c->impl].dpy, impl_draw, impl_read, impl_ctx); } if (result == EGL_TRUE) { loseCurrent(cur_c); if (ctx != EGL_NO_CONTEXT) { setGLHooksThreadSpecific(c->cnx->hooks[c->version]); setContext(ctx); _c.acquire(); _r.acquire(); _d.acquire(); c->read = read; c->draw = draw; } else { setGLHooksThreadSpecific(&gHooksNoContext); setContext(EGL_NO_CONTEXT); } } return result; } EGLBoolean eglQueryContext( EGLDisplay dpy, EGLContext ctx, EGLint attribute, EGLint *value) { clearError(); ContextRef _c(ctx); if (!_c.get()) return setError(EGL_BAD_CONTEXT, EGL_FALSE); if (!validate_display_context(dpy, ctx)) return EGL_FALSE; egl_display_t const * const dp = get_display(dpy); egl_context_t * const c = get_context(ctx); EGLBoolean result(EGL_TRUE); if (attribute == EGL_CONFIG_ID) { *value = dp->configs[intptr_t(c->config)].configId; } else { // We need to remap EGL_CONFIG_IDs result = c->cnx->egl.eglQueryContext( dp->disp[c->impl].dpy, c->context, attribute, value); } return result; } EGLContext eglGetCurrentContext(void) { // could be called before eglInitialize(), but we wouldn't have a context // then, and this function would correctly return EGL_NO_CONTEXT. clearError(); EGLContext ctx = getContext(); return ctx; } EGLSurface eglGetCurrentSurface(EGLint readdraw) { // could be called before eglInitialize(), but we wouldn't have a context // then, and this function would correctly return EGL_NO_SURFACE. clearError(); EGLContext ctx = getContext(); if (ctx) { egl_context_t const * const c = get_context(ctx); if (!c) return setError(EGL_BAD_CONTEXT, EGL_NO_SURFACE); switch (readdraw) { case EGL_READ: return c->read; case EGL_DRAW: return c->draw; default: return setError(EGL_BAD_PARAMETER, EGL_NO_SURFACE); } } return EGL_NO_SURFACE; } EGLDisplay eglGetCurrentDisplay(void) { // could be called before eglInitialize(), but we wouldn't have a context // then, and this function would correctly return EGL_NO_DISPLAY. clearError(); EGLContext ctx = getContext(); if (ctx) { egl_context_t const * const c = get_context(ctx); if (!c) return setError(EGL_BAD_CONTEXT, EGL_NO_SURFACE); return c->dpy; } return EGL_NO_DISPLAY; } EGLBoolean eglWaitGL(void) { // could be called before eglInitialize(), but we wouldn't have a context // then, and this function would return GL_TRUE, which isn't wrong. clearError(); EGLBoolean res = EGL_TRUE; EGLContext ctx = getContext(); if (ctx) { egl_context_t const * const c = get_context(ctx); if (!c) return setError(EGL_BAD_CONTEXT, EGL_FALSE); if (uint32_t(c->impl)>=2) return setError(EGL_BAD_CONTEXT, EGL_FALSE); egl_connection_t* const cnx = &gEGLImpl[c->impl]; if (!cnx->dso) return setError(EGL_BAD_CONTEXT, EGL_FALSE); res = cnx->egl.eglWaitGL(); } return res; } EGLBoolean eglWaitNative(EGLint engine) { // could be called before eglInitialize(), but we wouldn't have a context // then, and this function would return GL_TRUE, which isn't wrong. clearError(); EGLBoolean res = EGL_TRUE; EGLContext ctx = getContext(); if (ctx) { egl_context_t const * const c = get_context(ctx); if (!c) return setError(EGL_BAD_CONTEXT, EGL_FALSE); if (uint32_t(c->impl)>=2) return setError(EGL_BAD_CONTEXT, EGL_FALSE); egl_connection_t* const cnx = &gEGLImpl[c->impl]; if (!cnx->dso) return setError(EGL_BAD_CONTEXT, EGL_FALSE); res = cnx->egl.eglWaitNative(engine); } return res; } EGLint eglGetError(void) { EGLint result = EGL_SUCCESS; EGLint err; for (int i=0 ; idso) err = cnx->egl.eglGetError(); if (err!=EGL_SUCCESS && result==EGL_SUCCESS) result = err; } err = getError(); if (result == EGL_SUCCESS) result = err; return result; } // Note: Similar implementations of these functions also exist in // gl2.cpp and gl.cpp, and are used by applications that call the // exported entry points directly. typedef void (GL_APIENTRYP PFNGLEGLIMAGETARGETTEXTURE2DOESPROC) (GLenum target, GLeglImageOES image); typedef void (GL_APIENTRYP PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC) (GLenum target, GLeglImageOES image); static PFNGLEGLIMAGETARGETTEXTURE2DOESPROC glEGLImageTargetTexture2DOES_impl = NULL; static PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC glEGLImageTargetRenderbufferStorageOES_impl = NULL; static void glEGLImageTargetTexture2DOES_wrapper(GLenum target, GLeglImageOES image) { GLeglImageOES implImage = (GLeglImageOES)egl_get_image_for_current_context((EGLImageKHR)image); glEGLImageTargetTexture2DOES_impl(target, implImage); } static void glEGLImageTargetRenderbufferStorageOES_wrapper(GLenum target, GLeglImageOES image) { GLeglImageOES implImage = (GLeglImageOES)egl_get_image_for_current_context((EGLImageKHR)image); glEGLImageTargetRenderbufferStorageOES_impl(target, implImage); } __eglMustCastToProperFunctionPointerType eglGetProcAddress(const char *procname) { // eglGetProcAddress() could be the very first function called // in which case we must make sure we've initialized ourselves, this // happens the first time egl_get_display() is called. clearError(); if (egl_init_drivers() == EGL_FALSE) { setError(EGL_BAD_PARAMETER, NULL); return NULL; } __eglMustCastToProperFunctionPointerType addr; addr = findProcAddress(procname, gExtentionMap, NELEM(gExtentionMap)); if (addr) return addr; // this protects accesses to gGLExtentionMap and gGLExtentionSlot pthread_mutex_lock(&gInitDriverMutex); /* * Since eglGetProcAddress() is not associated to anything, it needs * to return a function pointer that "works" regardless of what * the current context is. * * For this reason, we return a "forwarder", a small stub that takes * care of calling the function associated with the context * currently bound. * * We first look for extensions we've already resolved, if we're seeing * this extension for the first time, we go through all our * implementations and call eglGetProcAddress() and record the * result in the appropriate implementation hooks and return the * address of the forwarder corresponding to that hook set. * */ const String8 name(procname); addr = gGLExtentionMap.valueFor(name); const int slot = gGLExtentionSlot; LOGE_IF(slot >= MAX_NUMBER_OF_GL_EXTENSIONS, "no more slots for eglGetProcAddress(\"%s\")", procname); if (!addr && (slot < MAX_NUMBER_OF_GL_EXTENSIONS)) { bool found = false; for (int i=0 ; idso && cnx->egl.eglGetProcAddress) { found = true; // Extensions are independent of the bound context cnx->hooks[GLESv1_INDEX]->ext.extensions[slot] = cnx->hooks[GLESv2_INDEX]->ext.extensions[slot] = #if EGL_TRACE gHooksDebug.ext.extensions[slot] = gHooksTrace.ext.extensions[slot] = #endif cnx->egl.eglGetProcAddress(procname); } } if (found) { addr = gExtensionForwarders[slot]; if (!strcmp(procname, "glEGLImageTargetTexture2DOES")) { glEGLImageTargetTexture2DOES_impl = (PFNGLEGLIMAGETARGETTEXTURE2DOESPROC)addr; addr = (__eglMustCastToProperFunctionPointerType)glEGLImageTargetTexture2DOES_wrapper; } if (!strcmp(procname, "glEGLImageTargetRenderbufferStorageOES")) { glEGLImageTargetRenderbufferStorageOES_impl = (PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC)addr; addr = (__eglMustCastToProperFunctionPointerType)glEGLImageTargetRenderbufferStorageOES_wrapper; } gGLExtentionMap.add(name, addr); gGLExtentionSlot++; } } pthread_mutex_unlock(&gInitDriverMutex); return addr; } EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface draw) { EGLBoolean Debug_eglSwapBuffers(EGLDisplay dpy, EGLSurface draw); if (gEGLDebugLevel > 0) Debug_eglSwapBuffers(dpy, draw); clearError(); SurfaceRef _s(draw); if (!_s.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE); if (!validate_display_surface(dpy, draw)) return EGL_FALSE; egl_display_t const * const dp = get_display(dpy); egl_surface_t const * const s = get_surface(draw); return s->cnx->egl.eglSwapBuffers(dp->disp[s->impl].dpy, s->surface); } EGLBoolean eglCopyBuffers( EGLDisplay dpy, EGLSurface surface, NativePixmapType target) { clearError(); SurfaceRef _s(surface); if (!_s.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE); if (!validate_display_surface(dpy, surface)) return EGL_FALSE; egl_display_t const * const dp = get_display(dpy); egl_surface_t const * const s = get_surface(surface); return s->cnx->egl.eglCopyBuffers( dp->disp[s->impl].dpy, s->surface, target); } const char* eglQueryString(EGLDisplay dpy, EGLint name) { clearError(); egl_display_t const * const dp = get_display(dpy); switch (name) { case EGL_VENDOR: return gVendorString; case EGL_VERSION: return gVersionString; case EGL_EXTENSIONS: return gExtensionString; case EGL_CLIENT_APIS: return gClientApiString; } return setError(EGL_BAD_PARAMETER, (const char *)0); } // ---------------------------------------------------------------------------- // EGL 1.1 // ---------------------------------------------------------------------------- EGLBoolean eglSurfaceAttrib( EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value) { clearError(); SurfaceRef _s(surface); if (!_s.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE); if (!validate_display_surface(dpy, surface)) return EGL_FALSE; egl_display_t const * const dp = get_display(dpy); egl_surface_t const * const s = get_surface(surface); if (s->cnx->egl.eglSurfaceAttrib) { return s->cnx->egl.eglSurfaceAttrib( dp->disp[s->impl].dpy, s->surface, attribute, value); } return setError(EGL_BAD_SURFACE, EGL_FALSE); } EGLBoolean eglBindTexImage( EGLDisplay dpy, EGLSurface surface, EGLint buffer) { clearError(); SurfaceRef _s(surface); if (!_s.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE); if (!validate_display_surface(dpy, surface)) return EGL_FALSE; egl_display_t const * const dp = get_display(dpy); egl_surface_t const * const s = get_surface(surface); if (s->cnx->egl.eglBindTexImage) { return s->cnx->egl.eglBindTexImage( dp->disp[s->impl].dpy, s->surface, buffer); } return setError(EGL_BAD_SURFACE, EGL_FALSE); } EGLBoolean eglReleaseTexImage( EGLDisplay dpy, EGLSurface surface, EGLint buffer) { clearError(); SurfaceRef _s(surface); if (!_s.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE); if (!validate_display_surface(dpy, surface)) return EGL_FALSE; egl_display_t const * const dp = get_display(dpy); egl_surface_t const * const s = get_surface(surface); if (s->cnx->egl.eglReleaseTexImage) { return s->cnx->egl.eglReleaseTexImage( dp->disp[s->impl].dpy, s->surface, buffer); } return setError(EGL_BAD_SURFACE, EGL_FALSE); } EGLBoolean eglSwapInterval(EGLDisplay dpy, EGLint interval) { clearError(); egl_display_t * const dp = get_display(dpy); if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE); EGLBoolean res = EGL_TRUE; for (int i=0 ; idso) { if (cnx->egl.eglSwapInterval) { if (cnx->egl.eglSwapInterval( dp->disp[i].dpy, interval) == EGL_FALSE) { res = EGL_FALSE; } } } } return res; } // ---------------------------------------------------------------------------- // EGL 1.2 // ---------------------------------------------------------------------------- EGLBoolean eglWaitClient(void) { clearError(); // could be called before eglInitialize(), but we wouldn't have a context // then, and this function would return GL_TRUE, which isn't wrong. EGLBoolean res = EGL_TRUE; EGLContext ctx = getContext(); if (ctx) { egl_context_t const * const c = get_context(ctx); if (!c) return setError(EGL_BAD_CONTEXT, EGL_FALSE); if (uint32_t(c->impl)>=2) return setError(EGL_BAD_CONTEXT, EGL_FALSE); egl_connection_t* const cnx = &gEGLImpl[c->impl]; if (!cnx->dso) return setError(EGL_BAD_CONTEXT, EGL_FALSE); if (cnx->egl.eglWaitClient) { res = cnx->egl.eglWaitClient(); } else { res = cnx->egl.eglWaitGL(); } } return res; } EGLBoolean eglBindAPI(EGLenum api) { clearError(); if (egl_init_drivers() == EGL_FALSE) { return setError(EGL_BAD_PARAMETER, EGL_FALSE); } // bind this API on all EGLs EGLBoolean res = EGL_TRUE; for (int i=0 ; idso) { if (cnx->egl.eglBindAPI) { if (cnx->egl.eglBindAPI(api) == EGL_FALSE) { res = EGL_FALSE; } } } } return res; } EGLenum eglQueryAPI(void) { clearError(); if (egl_init_drivers() == EGL_FALSE) { return setError(EGL_BAD_PARAMETER, EGL_FALSE); } for (int i=0 ; idso) { if (cnx->egl.eglQueryAPI) { // the first one we find is okay, because they all // should be the same return cnx->egl.eglQueryAPI(); } } } // or, it can only be OpenGL ES return EGL_OPENGL_ES_API; } EGLBoolean eglReleaseThread(void) { clearError(); // If there is context bound to the thread, release it loseCurrent(get_context(getContext())); for (int i=0 ; idso) { if (cnx->egl.eglReleaseThread) { cnx->egl.eglReleaseThread(); } } } clearTLS(); return EGL_TRUE; } EGLSurface eglCreatePbufferFromClientBuffer( EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer, EGLConfig config, const EGLint *attrib_list) { clearError(); egl_display_t const* dp = 0; egl_connection_t* cnx = validate_display_config(dpy, config, dp); if (!cnx) return EGL_FALSE; if (cnx->egl.eglCreatePbufferFromClientBuffer) { return cnx->egl.eglCreatePbufferFromClientBuffer( dp->disp[ dp->configs[intptr_t(config)].impl ].dpy, buftype, buffer, dp->configs[intptr_t(config)].config, attrib_list); } return setError(EGL_BAD_CONFIG, EGL_NO_SURFACE); } // ---------------------------------------------------------------------------- // EGL_EGLEXT_VERSION 3 // ---------------------------------------------------------------------------- EGLBoolean eglLockSurfaceKHR(EGLDisplay dpy, EGLSurface surface, const EGLint *attrib_list) { clearError(); SurfaceRef _s(surface); if (!_s.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE); if (!validate_display_surface(dpy, surface)) return EGL_FALSE; egl_display_t const * const dp = get_display(dpy); egl_surface_t const * const s = get_surface(surface); if (s->cnx->egl.eglLockSurfaceKHR) { return s->cnx->egl.eglLockSurfaceKHR( dp->disp[s->impl].dpy, s->surface, attrib_list); } return setError(EGL_BAD_DISPLAY, EGL_FALSE); } EGLBoolean eglUnlockSurfaceKHR(EGLDisplay dpy, EGLSurface surface) { clearError(); SurfaceRef _s(surface); if (!_s.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE); if (!validate_display_surface(dpy, surface)) return EGL_FALSE; egl_display_t const * const dp = get_display(dpy); egl_surface_t const * const s = get_surface(surface); if (s->cnx->egl.eglUnlockSurfaceKHR) { return s->cnx->egl.eglUnlockSurfaceKHR( dp->disp[s->impl].dpy, s->surface); } return setError(EGL_BAD_DISPLAY, EGL_FALSE); } EGLImageKHR eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list) { clearError(); if (ctx != EGL_NO_CONTEXT) { ContextRef _c(ctx); if (!_c.get()) return setError(EGL_BAD_CONTEXT, EGL_NO_IMAGE_KHR); if (!validate_display_context(dpy, ctx)) return EGL_NO_IMAGE_KHR; egl_display_t const * const dp = get_display(dpy); egl_context_t * const c = get_context(ctx); // since we have an EGLContext, we know which implementation to use EGLImageKHR image = c->cnx->egl.eglCreateImageKHR( dp->disp[c->impl].dpy, c->context, target, buffer, attrib_list); if (image == EGL_NO_IMAGE_KHR) return image; egl_image_t* result = new egl_image_t(dpy, ctx); result->images[c->impl] = image; return (EGLImageKHR)result; } else { // EGL_NO_CONTEXT is a valid parameter egl_display_t const * const dp = get_display(dpy); if (dp == 0) { return setError(EGL_BAD_DISPLAY, EGL_NO_IMAGE_KHR); } /* Since we don't have a way to know which implementation to call, * we're calling all of them. If at least one of the implementation * succeeded, this is a success. */ EGLint currentError = eglGetError(); EGLImageKHR implImages[IMPL_NUM_IMPLEMENTATIONS]; bool success = false; for (int i=0 ; idso) { if (cnx->egl.eglCreateImageKHR) { implImages[i] = cnx->egl.eglCreateImageKHR( dp->disp[i].dpy, ctx, target, buffer, attrib_list); if (implImages[i] != EGL_NO_IMAGE_KHR) { success = true; } } } } if (!success) { // failure, if there was an error when we entered this function, // the error flag must not be updated. // Otherwise, the error is whatever happened in the implementation // that faulted. if (currentError != EGL_SUCCESS) { setError(currentError, EGL_NO_IMAGE_KHR); } return EGL_NO_IMAGE_KHR; } else { // In case of success, we need to clear all error flags // (especially those caused by the implementation that didn't // succeed). TODO: we could avoid this if we knew this was // a "full" success (all implementation succeeded). eglGetError(); } egl_image_t* result = new egl_image_t(dpy, ctx); memcpy(result->images, implImages, sizeof(implImages)); return (EGLImageKHR)result; } } EGLBoolean eglDestroyImageKHR(EGLDisplay dpy, EGLImageKHR img) { clearError(); egl_display_t const * const dp = get_display(dpy); if (dp == 0) { return setError(EGL_BAD_DISPLAY, EGL_FALSE); } ImageRef _i(img); if (!_i.get()) return setError(EGL_BAD_PARAMETER, EGL_FALSE); egl_image_t* image = get_image(img); bool success = false; for (int i=0 ; iimages[i] != EGL_NO_IMAGE_KHR) { if (cnx->dso) { if (cnx->egl.eglDestroyImageKHR) { if (cnx->egl.eglDestroyImageKHR( dp->disp[i].dpy, image->images[i])) { success = true; } } } } } if (!success) return EGL_FALSE; _i.terminate(); return EGL_TRUE; } // ---------------------------------------------------------------------------- // EGL_EGLEXT_VERSION 5 // ---------------------------------------------------------------------------- EGLSyncKHR eglCreateSyncKHR(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list) { clearError(); EGLContext ctx = eglGetCurrentContext(); ContextRef _c(ctx); if (!_c.get()) return setError(EGL_BAD_CONTEXT, EGL_NO_SYNC_KHR); if (!validate_display_context(dpy, ctx)) return EGL_NO_SYNC_KHR; egl_display_t const * const dp = get_display(dpy); egl_context_t * const c = get_context(ctx); EGLSyncKHR result = EGL_NO_SYNC_KHR; if (c->cnx->egl.eglCreateSyncKHR) { EGLSyncKHR sync = c->cnx->egl.eglCreateSyncKHR( dp->disp[c->impl].dpy, type, attrib_list); if (sync == EGL_NO_SYNC_KHR) return sync; result = (egl_sync_t*)new egl_sync_t(dpy, ctx, sync); } return (EGLSyncKHR)result; } EGLBoolean eglDestroySyncKHR(EGLDisplay dpy, EGLSyncKHR sync) { clearError(); egl_display_t const * const dp = get_display(dpy); if (dp == 0) { return setError(EGL_BAD_DISPLAY, EGL_FALSE); } SyncRef _s(sync); if (!_s.get()) return setError(EGL_BAD_PARAMETER, EGL_FALSE); egl_sync_t* syncObject = get_sync(sync); EGLContext ctx = syncObject->context; ContextRef _c(ctx); if (!_c.get()) return setError(EGL_BAD_CONTEXT, EGL_FALSE); if (!validate_display_context(dpy, ctx)) return EGL_FALSE; egl_context_t * const c = get_context(ctx); if (c->cnx->egl.eglDestroySyncKHR) { return c->cnx->egl.eglDestroySyncKHR( dp->disp[c->impl].dpy, syncObject->sync); } return EGL_FALSE; } EGLint eglClientWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout) { clearError(); egl_display_t const * const dp = get_display(dpy); if (dp == 0) { return setError(EGL_BAD_DISPLAY, EGL_FALSE); } SyncRef _s(sync); if (!_s.get()) return setError(EGL_BAD_PARAMETER, EGL_FALSE); egl_sync_t* syncObject = get_sync(sync); EGLContext ctx = syncObject->context; ContextRef _c(ctx); if (!_c.get()) return setError(EGL_BAD_CONTEXT, EGL_FALSE); if (!validate_display_context(dpy, ctx)) return EGL_FALSE; egl_context_t * const c = get_context(ctx); if (c->cnx->egl.eglClientWaitSyncKHR) { return c->cnx->egl.eglClientWaitSyncKHR( dp->disp[c->impl].dpy, syncObject->sync, flags, timeout); } return EGL_FALSE; } EGLBoolean eglGetSyncAttribKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint attribute, EGLint *value) { clearError(); egl_display_t const * const dp = get_display(dpy); if (dp == 0) { return setError(EGL_BAD_DISPLAY, EGL_FALSE); } SyncRef _s(sync); if (!_s.get()) return setError(EGL_BAD_PARAMETER, EGL_FALSE); egl_sync_t* syncObject = get_sync(sync); EGLContext ctx = syncObject->context; ContextRef _c(ctx); if (!_c.get()) return setError(EGL_BAD_CONTEXT, EGL_FALSE); if (!validate_display_context(dpy, ctx)) return EGL_FALSE; egl_context_t * const c = get_context(ctx); if (c->cnx->egl.eglGetSyncAttribKHR) { return c->cnx->egl.eglGetSyncAttribKHR( dp->disp[c->impl].dpy, syncObject->sync, attribute, value); } return EGL_FALSE; } // ---------------------------------------------------------------------------- // ANDROID extensions // ---------------------------------------------------------------------------- EGLBoolean eglSetSwapRectangleANDROID(EGLDisplay dpy, EGLSurface draw, EGLint left, EGLint top, EGLint width, EGLint height) { clearError(); SurfaceRef _s(draw); if (!_s.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE); if (!validate_display_surface(dpy, draw)) return EGL_FALSE; egl_display_t const * const dp = get_display(dpy); egl_surface_t const * const s = get_surface(draw); if (s->cnx->egl.eglSetSwapRectangleANDROID) { return s->cnx->egl.eglSetSwapRectangleANDROID( dp->disp[s->impl].dpy, s->surface, left, top, width, height); } return setError(EGL_BAD_DISPLAY, NULL); }