| /* |
| ** 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 <ctype.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <errno.h> |
| #include <dlfcn.h> |
| |
| #include <sys/ioctl.h> |
| |
| #if HAVE_ANDROID_OS |
| #include <linux/android_pmem.h> |
| #endif |
| |
| #include <EGL/egl.h> |
| #include <EGL/eglext.h> |
| #include <GLES/gl.h> |
| #include <GLES/glext.h> |
| |
| #include <cutils/log.h> |
| #include <cutils/atomic.h> |
| #include <cutils/properties.h> |
| #include <cutils/memory.h> |
| |
| #include <utils/SortedVector.h> |
| |
| #include "hooks.h" |
| #include "egl_impl.h" |
| #include "Loader.h" |
| |
| #define MAKE_CONFIG(_impl, _index) ((EGLConfig)(((_impl)<<24) | (_index))) |
| #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_ANDROID_image_native_buffer " |
| "EGL_ANDROID_swap_rectangle " |
| "EGL_ANDROID_get_render_buffer " |
| ; |
| |
| // ---------------------------------------------------------------------------- |
| |
| class egl_object_t { |
| static SortedVector<egl_object_t*> 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 <typename N, typename T> |
| struct LocalRef { |
| N* ref; |
| LocalRef(T o) : ref(0) { |
| N* native = reinterpret_cast<N*>(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*> egl_object_t::sObjects; |
| Mutex egl_object_t::sLock; |
| |
| struct egl_display_t |
| { |
| uint32_t magic; |
| EGLDisplay dpys[IMPL_NUM_DRIVERS_IMPLEMENTATIONS]; |
| EGLConfig* configs[IMPL_NUM_DRIVERS_IMPLEMENTATIONS]; |
| EGLint numConfigs[IMPL_NUM_DRIVERS_IMPLEMENTATIONS]; |
| EGLint numTotalConfigs; |
| volatile int32_t refs; |
| struct strings_t { |
| char const * vendor; |
| char const * version; |
| char const * clientApi; |
| char const * extensions; |
| }; |
| strings_t queryString[IMPL_NUM_DRIVERS_IMPLEMENTATIONS]; |
| egl_display_t() : magic('_dpy') { } |
| ~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<egl_surface_t, EGLSurface> Ref; |
| |
| egl_surface_t(EGLDisplay dpy, EGLSurface surface, |
| int impl, egl_connection_t const* cnx) |
| : dpy(dpy), surface(surface), impl(impl), cnx(cnx) { |
| } |
| ~egl_surface_t() { |
| } |
| EGLDisplay dpy; |
| EGLSurface surface; |
| int impl; |
| egl_connection_t const* cnx; |
| }; |
| |
| struct egl_context_t : public egl_object_t |
| { |
| typedef egl_object_t::LocalRef<egl_context_t, EGLContext> Ref; |
| |
| egl_context_t(EGLDisplay dpy, EGLContext context, |
| int impl, egl_connection_t const* cnx) |
| : dpy(dpy), context(context), read(0), draw(0), impl(impl), cnx(cnx) |
| { |
| } |
| EGLDisplay dpy; |
| EGLContext context; |
| EGLSurface read; |
| EGLSurface draw; |
| int impl; |
| egl_connection_t const* cnx; |
| }; |
| |
| struct egl_image_t : public egl_object_t |
| { |
| typedef egl_object_t::LocalRef<egl_image_t, EGLImageKHR> Ref; |
| |
| egl_image_t(EGLDisplay dpy, EGLContext context) |
| : dpy(dpy), context(context) |
| { |
| memset(images, 0, sizeof(images)); |
| } |
| EGLDisplay dpy; |
| EGLConfig context; |
| EGLImageKHR images[IMPL_NUM_DRIVERS_IMPLEMENTATIONS]; |
| }; |
| |
| typedef egl_surface_t::Ref SurfaceRef; |
| typedef egl_context_t::Ref ContextRef; |
| typedef egl_image_t::Ref ImageRef; |
| |
| struct tls_t |
| { |
| tls_t() : error(EGL_SUCCESS), ctx(0), logCallWithNoContext(EGL_TRUE) { } |
| EGLint error; |
| EGLContext ctx; |
| EGLBoolean logCallWithNoContext; |
| }; |
| |
| |
| // ---------------------------------------------------------------------------- |
| |
| egl_connection_t gEGLImpl[IMPL_NUM_DRIVERS_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[IMPL_NUM_IMPLEMENTATIONS]; |
| EGLAPI pthread_key_t gGLWrapperKey = -1; |
| |
| // ---------------------------------------------------------------------------- |
| |
| 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; |
| } |
| |
| template<typename T> |
| 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<typename T> |
| static __attribute__((noinline)) |
| int binarySearch( |
| T const sortedArray[], int first, int last, T key) |
| { |
| while (first <= last) { |
| int mid = (first + last) / 2; |
| if (key > sortedArray[mid]) { |
| first = mid + 1; |
| } else if (key < sortedArray[mid]) { |
| last = mid - 1; |
| } else { |
| return mid; |
| } |
| } |
| return -1; |
| } |
| |
| static EGLint configToUniqueId(egl_display_t const* dp, int i, int index) |
| { |
| // NOTE: this mapping works only if we have no more than two EGLimpl |
| return (i>0 ? dp->numConfigs[0] : 0) + index; |
| } |
| |
| static void uniqueIdToConfig(egl_display_t const* dp, EGLint configId, |
| int& i, int& index) |
| { |
| // NOTE: this mapping works only if we have no more than two EGLimpl |
| size_t numConfigs = dp->numConfigs[0]; |
| i = configId / numConfigs; |
| index = configId % numConfigs; |
| } |
| |
| static int cmp_configs(const void* a, const void *b) |
| { |
| EGLConfig c0 = *(EGLConfig const *)a; |
| EGLConfig c1 = *(EGLConfig const *)b; |
| return c0<c1 ? -1 : (c0>c1 ? 1 : 0); |
| } |
| |
| struct extention_map_t { |
| const char* name; |
| __eglMustCastToProperFunctionPointerType address; |
| }; |
| |
| static const extention_map_t gExtentionMap[] = { |
| { "eglLockSurfaceKHR", |
| (__eglMustCastToProperFunctionPointerType)&eglLockSurfaceKHR }, |
| { "eglUnlockSurfaceKHR", |
| (__eglMustCastToProperFunctionPointerType)&eglUnlockSurfaceKHR }, |
| { "eglCreateImageKHR", |
| (__eglMustCastToProperFunctionPointerType)&eglCreateImageKHR }, |
| { "eglDestroyImageKHR", |
| (__eglMustCastToProperFunctionPointerType)&eglDestroyImageKHR }, |
| { "eglSetSwapRectangleANDROID", |
| (__eglMustCastToProperFunctionPointerType)&eglSetSwapRectangleANDROID }, |
| { "eglGetRenderBufferANDROID", |
| (__eglMustCastToProperFunctionPointerType)&eglGetRenderBufferANDROID }, |
| }; |
| |
| static extention_map_t gGLExtentionMap[MAX_NUMBER_OF_GL_EXTENSIONS]; |
| |
| static void(*findProcAddress(const char* name, |
| const extention_map_t* map, size_t n))() |
| { |
| for (uint32_t i=0 ; i<n ; i++) { |
| if (!strcmp(name, map[i].name)) { |
| return map[i].address; |
| } |
| } |
| return NULL; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| static void gl_no_context() { |
| tls_t* tls = getTLS(); |
| if (tls->logCallWithNoContext == EGL_TRUE) { |
| tls->logCallWithNoContext = EGL_FALSE; |
| LOGE("call to OpenGL ES API with no current context " |
| "(logged once per thread)"); |
| } |
| } |
| |
| static void early_egl_init(void) |
| { |
| #if !USE_FAST_TLS_KEY |
| pthread_key_create(&gGLWrapperKey, NULL); |
| #endif |
| uint32_t addr = (uint32_t)((void*)gl_no_context); |
| android_memset32( |
| (uint32_t*)(void*)&gHooks[IMPL_NO_CONTEXT], |
| addr, |
| sizeof(gHooks[IMPL_NO_CONTEXT])); |
| setGlThreadSpecific(&gHooks[IMPL_NO_CONTEXT]); |
| } |
| |
| 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<typename NATIVE, typename EGL> |
| static inline NATIVE* egl_to_native_cast(EGL arg) { |
| return reinterpret_cast<NATIVE*>(arg); |
| } |
| |
| static inline |
| egl_surface_t* get_surface(EGLSurface surface) { |
| return egl_to_native_cast<egl_surface_t>(surface); |
| } |
| |
| static inline |
| egl_context_t* get_context(EGLContext context) { |
| return egl_to_native_cast<egl_context_t>(context); |
| } |
| |
| static inline |
| egl_image_t* get_image(EGLImageKHR image) { |
| return egl_to_native_cast<egl_image_t>(image); |
| } |
| |
| static egl_connection_t* validate_display_config( |
| EGLDisplay dpy, EGLConfig config, |
| egl_display_t const*& dp, int& impl, int& index) |
| { |
| dp = get_display(dpy); |
| if (!dp) return setError(EGL_BAD_DISPLAY, (egl_connection_t*)NULL); |
| |
| impl = uintptr_t(config)>>24; |
| if (uint32_t(impl) >= IMPL_NUM_DRIVERS_IMPLEMENTATIONS) { |
| return setError(EGL_BAD_CONFIG, (egl_connection_t*)NULL); |
| } |
| index = uintptr_t(config) & 0xFFFFFF; |
| if (index >= dp->numConfigs[impl]) { |
| return setError(EGL_BAD_CONFIG, (egl_connection_t*)NULL); |
| } |
| egl_connection_t* const cnx = &gEGLImpl[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->dpys[] |
| // 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 = &gHooks[IMPL_SOFTWARE]; |
| cnx->dso = loader.open(EGL_DEFAULT_DISPLAY, 0, cnx->hooks); |
| if (cnx->dso) { |
| EGLDisplay dpy = cnx->hooks->egl.eglGetDisplay(EGL_DEFAULT_DISPLAY); |
| LOGE_IF(dpy==EGL_NO_DISPLAY, "No EGLDisplay for software EGL!"); |
| d->dpys[IMPL_SOFTWARE] = 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 = &gHooks[IMPL_HARDWARE]; |
| cnx->dso = loader.open(EGL_DEFAULT_DISPLAY, 1, cnx->hooks); |
| if (cnx->dso) { |
| EGLDisplay dpy = cnx->hooks->egl.eglGetDisplay(EGL_DEFAULT_DISPLAY); |
| LOGE_IF(dpy==EGL_NO_DISPLAY, "No EGLDisplay for hardware EGL!"); |
| d->dpys[IMPL_HARDWARE] = 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) |
| { |
| 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) |
| { |
| egl_display_t * const dp = get_display(dpy); |
| if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| |
| if (android_atomic_inc(&dp->refs) > 0) { |
| if (major != NULL) *major = VERSION_MAJOR; |
| if (minor != NULL) *minor = VERSION_MINOR; |
| return EGL_TRUE; |
| } |
| |
| setGlThreadSpecific(&gHooks[IMPL_NO_CONTEXT]); |
| |
| // 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 ; i<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; i++) { |
| egl_connection_t* const cnx = &gEGLImpl[i]; |
| cnx->major = -1; |
| cnx->minor = -1; |
| if (!cnx->dso) |
| continue; |
| |
| if (cnx->hooks->egl.eglInitialize( |
| dp->dpys[i], &cnx->major, &cnx->minor)) { |
| |
| //LOGD("initialized %d dpy=%p, ver=%d.%d, cnx=%p", |
| // i, dp->dpys[i], cnx->major, cnx->minor, cnx); |
| |
| // get the query-strings for this display for each implementation |
| dp->queryString[i].vendor = |
| cnx->hooks->egl.eglQueryString(dp->dpys[i], EGL_VENDOR); |
| dp->queryString[i].version = |
| cnx->hooks->egl.eglQueryString(dp->dpys[i], EGL_VERSION); |
| dp->queryString[i].extensions = strdup( |
| cnx->hooks->egl.eglQueryString(dp->dpys[i], EGL_EXTENSIONS)); |
| dp->queryString[i].clientApi = |
| cnx->hooks->egl.eglQueryString(dp->dpys[i], EGL_CLIENT_APIS); |
| |
| } else { |
| LOGD("%d: eglInitialize() failed (%s)", |
| i, egl_strerror(cnx->hooks->egl.eglGetError())); |
| } |
| } |
| |
| EGLBoolean res = EGL_FALSE; |
| for (int i=0 ; i<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; i++) { |
| egl_connection_t* const cnx = &gEGLImpl[i]; |
| if (cnx->dso && cnx->major>=0 && cnx->minor>=0) { |
| EGLint n; |
| if (cnx->hooks->egl.eglGetConfigs(dp->dpys[i], 0, 0, &n)) { |
| dp->configs[i] = (EGLConfig*)malloc(sizeof(EGLConfig)*n); |
| if (dp->configs[i]) { |
| if (cnx->hooks->egl.eglGetConfigs( |
| dp->dpys[i], dp->configs[i], n, &dp->numConfigs[i])) |
| { |
| // sort the configurations so we can do binary searches |
| qsort( dp->configs[i], |
| dp->numConfigs[i], |
| sizeof(EGLConfig), cmp_configs); |
| |
| dp->numTotalConfigs += n; |
| res = EGL_TRUE; |
| } |
| } |
| } |
| } |
| } |
| |
| if (res == EGL_TRUE) { |
| 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. |
| |
| egl_display_t* const dp = get_display(dpy); |
| if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| if (android_atomic_dec(&dp->refs) != 1) |
| return EGL_TRUE; |
| |
| EGLBoolean res = EGL_FALSE; |
| for (int i=0 ; i<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; i++) { |
| egl_connection_t* const cnx = &gEGLImpl[i]; |
| if (cnx->dso) { |
| cnx->hooks->egl.eglTerminate(dp->dpys[i]); |
| // REVISIT: it's unclear what to do if eglTerminate() fails |
| free(dp->configs[i]); |
| free((void*)dp->queryString[i].extensions); |
| dp->numConfigs[i] = 0; |
| dp->dpys[i] = EGL_NO_DISPLAY; |
| res = EGL_TRUE; |
| } |
| } |
| |
| // TODO: all egl_object_t should be marked for termination |
| |
| dp->numTotalConfigs = 0; |
| clearTLS(); |
| return res; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // configuration |
| // ---------------------------------------------------------------------------- |
| |
| EGLBoolean eglGetConfigs( EGLDisplay dpy, |
| EGLConfig *configs, |
| EGLint config_size, EGLint *num_config) |
| { |
| 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 (int j=0 ; j<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; j++) { |
| for (int i=0 ; i<dp->numConfigs[j] && config_size ; i++) { |
| *configs++ = MAKE_CONFIG(j, 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) |
| { |
| 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; |
| 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 |
| int i, index; |
| EGLint& configId(new_list[patch_index+1]); |
| uniqueIdToConfig(dp, configId, i, index); |
| |
| egl_connection_t* const cnx = &gEGLImpl[i]; |
| if (cnx->dso) { |
| cnx->hooks->egl.eglGetConfigAttrib( |
| dp->dpys[i], dp->configs[i][index], |
| EGL_CONFIG_ID, &configId); |
| |
| // and switch to the new list |
| attrib_list = const_cast<const EGLint *>(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->hooks->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->hooks->egl.eglChooseConfig( |
| dp->dpys[i], 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] = MAKE_CONFIG(i, index); |
| } |
| *num_config = 1; |
| } |
| } |
| |
| free(const_cast<EGLint *>(attrib_list)); |
| return res; |
| } |
| |
| for (int i=0 ; i<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; i++) { |
| egl_connection_t* const cnx = &gEGLImpl[i]; |
| if (cnx->dso) { |
| if (cnx->hooks->egl.eglChooseConfig( |
| dp->dpys[i], 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). |
| for (int j=0 ; j<n ; j++) { |
| int index = binarySearch<EGLConfig>( |
| dp->configs[i], 0, dp->numConfigs[i]-1, configs[j]); |
| if (index >= 0) { |
| if (configs) { |
| configs[j] = MAKE_CONFIG(i, 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) |
| { |
| egl_display_t const* dp = 0; |
| int i=0, index=0; |
| egl_connection_t* cnx = validate_display_config(dpy, config, dp, i, index); |
| if (!cnx) return EGL_FALSE; |
| |
| if (attribute == EGL_CONFIG_ID) { |
| // EGL_CONFIG_IDs must be unique, just use the order of the selected |
| // EGLConfig. |
| *value = configToUniqueId(dp, i, index); |
| return EGL_TRUE; |
| } |
| return cnx->hooks->egl.eglGetConfigAttrib( |
| dp->dpys[i], dp->configs[i][index], attribute, value); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // surfaces |
| // ---------------------------------------------------------------------------- |
| |
| EGLSurface eglCreateWindowSurface( EGLDisplay dpy, EGLConfig config, |
| NativeWindowType window, |
| const EGLint *attrib_list) |
| { |
| egl_display_t const* dp = 0; |
| int i=0, index=0; |
| egl_connection_t* cnx = validate_display_config(dpy, config, dp, i, index); |
| if (cnx) { |
| EGLSurface surface = cnx->hooks->egl.eglCreateWindowSurface( |
| dp->dpys[i], dp->configs[i][index], window, attrib_list); |
| if (surface != EGL_NO_SURFACE) { |
| egl_surface_t* s = new egl_surface_t(dpy, surface, i, cnx); |
| return s; |
| } |
| } |
| return EGL_NO_SURFACE; |
| } |
| |
| EGLSurface eglCreatePixmapSurface( EGLDisplay dpy, EGLConfig config, |
| NativePixmapType pixmap, |
| const EGLint *attrib_list) |
| { |
| egl_display_t const* dp = 0; |
| int i=0, index=0; |
| egl_connection_t* cnx = validate_display_config(dpy, config, dp, i, index); |
| if (cnx) { |
| EGLSurface surface = cnx->hooks->egl.eglCreatePixmapSurface( |
| dp->dpys[i], dp->configs[i][index], pixmap, attrib_list); |
| if (surface != EGL_NO_SURFACE) { |
| egl_surface_t* s = new egl_surface_t(dpy, surface, i, cnx); |
| return s; |
| } |
| } |
| return EGL_NO_SURFACE; |
| } |
| |
| EGLSurface eglCreatePbufferSurface( EGLDisplay dpy, EGLConfig config, |
| const EGLint *attrib_list) |
| { |
| egl_display_t const* dp = 0; |
| int i=0, index=0; |
| egl_connection_t* cnx = validate_display_config(dpy, config, dp, i, index); |
| if (cnx) { |
| EGLSurface surface = cnx->hooks->egl.eglCreatePbufferSurface( |
| dp->dpys[i], dp->configs[i][index], attrib_list); |
| if (surface != EGL_NO_SURFACE) { |
| egl_surface_t* s = new egl_surface_t(dpy, surface, i, cnx); |
| return s; |
| } |
| } |
| return EGL_NO_SURFACE; |
| } |
| |
| EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface surface) |
| { |
| 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->hooks->egl.eglDestroySurface( |
| dp->dpys[s->impl], s->surface); |
| if (result == EGL_TRUE) { |
| _s.terminate(); |
| } |
| return result; |
| } |
| |
| EGLBoolean eglQuerySurface( EGLDisplay dpy, EGLSurface surface, |
| EGLint attribute, EGLint *value) |
| { |
| 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->hooks->egl.eglQuerySurface( |
| dp->dpys[s->impl], s->surface, attribute, value); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // contextes |
| // ---------------------------------------------------------------------------- |
| |
| EGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config, |
| EGLContext share_list, const EGLint *attrib_list) |
| { |
| egl_display_t const* dp = 0; |
| int i=0, index=0; |
| egl_connection_t* cnx = validate_display_config(dpy, config, dp, i, index); |
| if (cnx) { |
| EGLContext context = cnx->hooks->egl.eglCreateContext( |
| dp->dpys[i], dp->configs[i][index], share_list, attrib_list); |
| if (context != EGL_NO_CONTEXT) { |
| egl_context_t* c = new egl_context_t(dpy, context, i, cnx); |
| return c; |
| } |
| } |
| return EGL_NO_CONTEXT; |
| } |
| |
| EGLBoolean eglDestroyContext(EGLDisplay dpy, EGLContext ctx) |
| { |
| 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->hooks->egl.eglDestroyContext( |
| dp->dpys[c->impl], c->context); |
| if (result == EGL_TRUE) { |
| _c.terminate(); |
| } |
| return result; |
| } |
| |
| EGLBoolean eglMakeCurrent( EGLDisplay dpy, EGLSurface draw, |
| EGLSurface read, EGLContext ctx) |
| { |
| // 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()); |
| egl_surface_t * cur_r = NULL; |
| egl_surface_t * cur_d = NULL; |
| |
| if (ctx != EGL_NO_CONTEXT) { |
| c = get_context(ctx); |
| cur_r = get_surface(c->read); |
| cur_d = get_surface(c->draw); |
| 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( ..., EGL_NO_CONTEXT, !=0, !=0); |
| return setError(EGL_BAD_PARAMETER, EGL_FALSE); |
| } |
| // not an error, there is just not 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->hooks->egl.eglMakeCurrent( |
| dp->dpys[c->impl], impl_draw, impl_read, impl_ctx); |
| } else { |
| result = cur_c->cnx->hooks->egl.eglMakeCurrent( |
| dp->dpys[cur_c->impl], impl_draw, impl_read, impl_ctx); |
| } |
| |
| if (result == EGL_TRUE) { |
| // 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 has to be valid here (but could be terminated) |
| if (ctx != EGL_NO_CONTEXT) { |
| setGlThreadSpecific(c->cnx->hooks); |
| setContext(ctx); |
| _c.acquire(); |
| } else { |
| setGlThreadSpecific(&gHooks[IMPL_NO_CONTEXT]); |
| setContext(EGL_NO_CONTEXT); |
| } |
| _cur_c.release(); |
| |
| _r.acquire(); |
| _cur_r.release(); |
| if (c) c->read = read; |
| |
| _d.acquire(); |
| _cur_d.release(); |
| if (c) c->draw = draw; |
| } |
| return result; |
| } |
| |
| |
| EGLBoolean eglQueryContext( EGLDisplay dpy, EGLContext ctx, |
| EGLint attribute, EGLint *value) |
| { |
| 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); |
| |
| return c->cnx->hooks->egl.eglQueryContext( |
| dp->dpys[c->impl], c->context, attribute, value); |
| } |
| |
| 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. |
| |
| 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. |
| |
| 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. |
| |
| 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. |
| |
| 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->hooks->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. |
| |
| 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->hooks->egl.eglWaitNative(engine); |
| } |
| return res; |
| } |
| |
| EGLint eglGetError(void) |
| { |
| EGLint result = EGL_SUCCESS; |
| for (int i=0 ; i<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; i++) { |
| EGLint err = EGL_SUCCESS; |
| egl_connection_t* const cnx = &gEGLImpl[i]; |
| if (cnx->dso) |
| err = cnx->hooks->egl.eglGetError(); |
| if (err!=EGL_SUCCESS && result==EGL_SUCCESS) |
| result = err; |
| } |
| if (result == EGL_SUCCESS) |
| result = getError(); |
| return result; |
| } |
| |
| __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. |
| |
| 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; |
| |
| return NULL; // TODO: finish implementation below |
| |
| addr = findProcAddress(procname, gGLExtentionMap, NELEM(gGLExtentionMap)); |
| if (addr) return addr; |
| |
| addr = 0; |
| int slot = -1; |
| for (int i=0 ; i<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; i++) { |
| egl_connection_t* const cnx = &gEGLImpl[i]; |
| if (cnx->dso) { |
| if (cnx->hooks->egl.eglGetProcAddress) { |
| addr = cnx->hooks->egl.eglGetProcAddress(procname); |
| if (addr) { |
| if (slot == -1) { |
| slot = 0; // XXX: find free slot |
| if (slot == -1) { |
| addr = 0; |
| break; |
| } |
| } |
| cnx->hooks->ext.extensions[slot] = addr; |
| } |
| } |
| } |
| } |
| |
| if (slot >= 0) { |
| addr = 0; // XXX: address of stub 'slot' |
| gGLExtentionMap[slot].name = strdup(procname); |
| gGLExtentionMap[slot].address = addr; |
| } |
| |
| return addr; |
| |
| |
| /* |
| * TODO: For OpenGL ES extensions, we must generate a stub |
| * that looks like |
| * mov r12, #0xFFFF0FFF |
| * ldr r12, [r12, #-15] |
| * ldr r12, [r12, #TLS_SLOT_OPENGL_API*4] |
| * mov r12, [r12, #api_offset] |
| * ldrne pc, r12 |
| * mov pc, #unsupported_extension |
| * |
| * and write the address of the extension in *all* |
| * gl_hooks_t::gl_ext_t at offset "api_offset" from gl_hooks_t |
| * |
| */ |
| } |
| |
| EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface draw) |
| { |
| 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->hooks->egl.eglSwapBuffers(dp->dpys[s->impl], s->surface); |
| } |
| |
| EGLBoolean eglCopyBuffers( EGLDisplay dpy, EGLSurface surface, |
| NativePixmapType target) |
| { |
| 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->hooks->egl.eglCopyBuffers( |
| dp->dpys[s->impl], s->surface, target); |
| } |
| |
| const char* eglQueryString(EGLDisplay dpy, EGLint name) |
| { |
| 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) |
| { |
| 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->hooks->egl.eglSurfaceAttrib) { |
| return s->cnx->hooks->egl.eglSurfaceAttrib( |
| dp->dpys[s->impl], s->surface, attribute, value); |
| } |
| return setError(EGL_BAD_SURFACE, EGL_FALSE); |
| } |
| |
| EGLBoolean eglBindTexImage( |
| EGLDisplay dpy, EGLSurface surface, EGLint buffer) |
| { |
| 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->hooks->egl.eglBindTexImage) { |
| return s->cnx->hooks->egl.eglBindTexImage( |
| dp->dpys[s->impl], s->surface, buffer); |
| } |
| return setError(EGL_BAD_SURFACE, EGL_FALSE); |
| } |
| |
| EGLBoolean eglReleaseTexImage( |
| EGLDisplay dpy, EGLSurface surface, EGLint buffer) |
| { |
| 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->hooks->egl.eglReleaseTexImage) { |
| return s->cnx->hooks->egl.eglReleaseTexImage( |
| dp->dpys[s->impl], s->surface, buffer); |
| } |
| return setError(EGL_BAD_SURFACE, EGL_FALSE); |
| } |
| |
| EGLBoolean eglSwapInterval(EGLDisplay dpy, EGLint interval) |
| { |
| 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 ; i<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; i++) { |
| egl_connection_t* const cnx = &gEGLImpl[i]; |
| if (cnx->dso) { |
| if (cnx->hooks->egl.eglSwapInterval) { |
| if (cnx->hooks->egl.eglSwapInterval(dp->dpys[i], interval) == EGL_FALSE) { |
| res = EGL_FALSE; |
| } |
| } |
| } |
| } |
| return res; |
| } |
| |
| |
| // ---------------------------------------------------------------------------- |
| // EGL 1.2 |
| // ---------------------------------------------------------------------------- |
| |
| EGLBoolean eglWaitClient(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. |
| 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->hooks->egl.eglWaitClient) { |
| res = cnx->hooks->egl.eglWaitClient(); |
| } else { |
| res = cnx->hooks->egl.eglWaitGL(); |
| } |
| } |
| return res; |
| } |
| |
| EGLBoolean eglBindAPI(EGLenum api) |
| { |
| 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 ; i<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; i++) { |
| egl_connection_t* const cnx = &gEGLImpl[i]; |
| if (cnx->dso) { |
| if (cnx->hooks->egl.eglBindAPI) { |
| if (cnx->hooks->egl.eglBindAPI(api) == EGL_FALSE) { |
| res = EGL_FALSE; |
| } |
| } |
| } |
| } |
| return res; |
| } |
| |
| EGLenum eglQueryAPI(void) |
| { |
| if (egl_init_drivers() == EGL_FALSE) { |
| return setError(EGL_BAD_PARAMETER, EGL_FALSE); |
| } |
| |
| for (int i=0 ; i<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; i++) { |
| egl_connection_t* const cnx = &gEGLImpl[i]; |
| if (cnx->dso) { |
| if (cnx->hooks->egl.eglQueryAPI) { |
| // the first one we find is okay, because they all |
| // should be the same |
| return cnx->hooks->egl.eglQueryAPI(); |
| } |
| } |
| } |
| // or, it can only be OpenGL ES |
| return EGL_OPENGL_ES_API; |
| } |
| |
| EGLBoolean eglReleaseThread(void) |
| { |
| for (int i=0 ; i<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; i++) { |
| egl_connection_t* const cnx = &gEGLImpl[i]; |
| if (cnx->dso) { |
| if (cnx->hooks->egl.eglReleaseThread) { |
| cnx->hooks->egl.eglReleaseThread(); |
| } |
| } |
| } |
| clearTLS(); |
| return EGL_TRUE; |
| } |
| |
| EGLSurface eglCreatePbufferFromClientBuffer( |
| EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer, |
| EGLConfig config, const EGLint *attrib_list) |
| { |
| egl_display_t const* dp = 0; |
| int i=0, index=0; |
| egl_connection_t* cnx = validate_display_config(dpy, config, dp, i, index); |
| if (!cnx) return EGL_FALSE; |
| if (cnx->hooks->egl.eglCreatePbufferFromClientBuffer) { |
| return cnx->hooks->egl.eglCreatePbufferFromClientBuffer( |
| dp->dpys[i], buftype, buffer, dp->configs[i][index], attrib_list); |
| } |
| return setError(EGL_BAD_CONFIG, EGL_NO_SURFACE); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // EGL_EGLEXT_VERSION 3 |
| // ---------------------------------------------------------------------------- |
| |
| EGLBoolean eglLockSurfaceKHR(EGLDisplay dpy, EGLSurface surface, |
| const EGLint *attrib_list) |
| { |
| 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->hooks->egl.eglLockSurfaceKHR) { |
| return s->cnx->hooks->egl.eglLockSurfaceKHR( |
| dp->dpys[s->impl], s->surface, attrib_list); |
| } |
| return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| } |
| |
| EGLBoolean eglUnlockSurfaceKHR(EGLDisplay dpy, EGLSurface surface) |
| { |
| 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->hooks->egl.eglUnlockSurfaceKHR) { |
| return s->cnx->hooks->egl.eglUnlockSurfaceKHR( |
| dp->dpys[s->impl], s->surface); |
| } |
| return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| } |
| |
| EGLImageKHR eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target, |
| EGLClientBuffer buffer, const EGLint *attrib_list) |
| { |
| 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->hooks->egl.eglCreateImageKHR( |
| dp->dpys[c->impl], 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 |
| |
| EGLImageKHR implImages[IMPL_NUM_DRIVERS_IMPLEMENTATIONS]; |
| bool success = false; |
| for (int i=0 ; i<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; i++) { |
| egl_connection_t* const cnx = &gEGLImpl[i]; |
| implImages[i] = EGL_NO_IMAGE_KHR; |
| if (cnx->dso) { |
| if (cnx->hooks->egl.eglCreateImageKHR) { |
| implImages[i] = cnx->hooks->egl.eglCreateImageKHR( |
| dp->dpys[i], ctx, target, buffer, attrib_list); |
| if (implImages[i] != EGL_NO_IMAGE_KHR) { |
| success = true; |
| } |
| } |
| } |
| } |
| if (!success) |
| return EGL_NO_IMAGE_KHR; |
| |
| 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) |
| { |
| 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 ; i<IMPL_NUM_DRIVERS_IMPLEMENTATIONS ; i++) { |
| egl_connection_t* const cnx = &gEGLImpl[i]; |
| if (image->images[i] != EGL_NO_IMAGE_KHR) { |
| if (cnx->dso) { |
| if (cnx->hooks->egl.eglCreateImageKHR) { |
| if (cnx->hooks->egl.eglDestroyImageKHR( |
| dp->dpys[i], image->images[i])) { |
| success = true; |
| } |
| } |
| } |
| } |
| } |
| if (!success) |
| return EGL_FALSE; |
| |
| _i.terminate(); |
| |
| return EGL_TRUE; |
| } |
| |
| |
| // ---------------------------------------------------------------------------- |
| // ANDROID extensions |
| // ---------------------------------------------------------------------------- |
| |
| EGLBoolean eglSetSwapRectangleANDROID(EGLDisplay dpy, EGLSurface draw, |
| EGLint left, EGLint top, EGLint width, EGLint height) |
| { |
| 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->hooks->egl.eglSetSwapRectangleANDROID) { |
| return s->cnx->hooks->egl.eglSetSwapRectangleANDROID(dp->dpys[s->impl], |
| s->surface, left, top, width, height); |
| } |
| return setError(EGL_BAD_DISPLAY, NULL); |
| } |
| |
| EGLClientBuffer eglGetRenderBufferANDROID(EGLDisplay dpy, EGLSurface draw) |
| { |
| SurfaceRef _s(draw); |
| if (!_s.get()) return setError(EGL_BAD_SURFACE, (EGLClientBuffer*)0); |
| |
| if (!validate_display_surface(dpy, draw)) |
| return 0; |
| egl_display_t const * const dp = get_display(dpy); |
| egl_surface_t const * const s = get_surface(draw); |
| if (s->cnx->hooks->egl.eglGetRenderBufferANDROID) { |
| return s->cnx->hooks->egl.eglGetRenderBufferANDROID(dp->dpys[s->impl], |
| s->surface); |
| } |
| return setError(EGL_BAD_DISPLAY, (EGLClientBuffer*)0); |
| } |
