|  | /* | 
|  | ** 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 <hardware/gralloc.h> | 
|  | #include <system/window.h> | 
|  |  | 
|  | #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/KeyedVector.h> | 
|  | #include <utils/SortedVector.h> | 
|  | #include <utils/String8.h> | 
|  |  | 
|  | #include "egl_impl.h" | 
|  | #include "egl_tls.h" | 
|  | #include "glesv2dbg.h" | 
|  | #include "hooks.h" | 
|  |  | 
|  | #include "egl_display.h" | 
|  | #include "egl_impl.h" | 
|  | #include "egl_object.h" | 
|  | #include "egl_tls.h" | 
|  |  | 
|  | using namespace android; | 
|  |  | 
|  | // ---------------------------------------------------------------------------- | 
|  |  | 
|  | struct extention_map_t { | 
|  | const char* name; | 
|  | __eglMustCastToProperFunctionPointerType address; | 
|  | }; | 
|  |  | 
|  | static const extention_map_t sExtentionMap[] = { | 
|  | { "eglLockSurfaceKHR", | 
|  | (__eglMustCastToProperFunctionPointerType)&eglLockSurfaceKHR }, | 
|  | { "eglUnlockSurfaceKHR", | 
|  | (__eglMustCastToProperFunctionPointerType)&eglUnlockSurfaceKHR }, | 
|  | { "eglCreateImageKHR", | 
|  | (__eglMustCastToProperFunctionPointerType)&eglCreateImageKHR }, | 
|  | { "eglDestroyImageKHR", | 
|  | (__eglMustCastToProperFunctionPointerType)&eglDestroyImageKHR }, | 
|  | { "eglGetSystemTimeFrequencyNV", | 
|  | (__eglMustCastToProperFunctionPointerType)&eglGetSystemTimeFrequencyNV }, | 
|  | { "eglGetSystemTimeNV", | 
|  | (__eglMustCastToProperFunctionPointerType)&eglGetSystemTimeNV }, | 
|  | }; | 
|  |  | 
|  | // accesses protected by sExtensionMapMutex | 
|  | static DefaultKeyedVector<String8, __eglMustCastToProperFunctionPointerType> sGLExtentionMap; | 
|  | static int sGLExtentionSlot = 0; | 
|  | static pthread_mutex_t sExtensionMapMutex = PTHREAD_MUTEX_INITIALIZER; | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | // ---------------------------------------------------------------------------- | 
|  |  | 
|  | 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 (sortedArray[mid] < key) { | 
|  | first = mid + 1; | 
|  | } else if (key < sortedArray[mid]) { | 
|  | last = mid - 1; | 
|  | } else { | 
|  | return mid; | 
|  | } | 
|  | } | 
|  | return -1; | 
|  | } | 
|  |  | 
|  | // ---------------------------------------------------------------------------- | 
|  |  | 
|  | namespace android { | 
|  | extern void setGLHooksThreadSpecific(gl_hooks_t const *value); | 
|  | extern EGLBoolean egl_init_drivers(); | 
|  | extern const __eglMustCastToProperFunctionPointerType gExtensionForwarders[MAX_NUMBER_OF_GL_EXTENSIONS]; | 
|  | extern int gEGLDebugLevel; | 
|  | extern gl_hooks_t gHooksTrace; | 
|  | extern gl_hooks_t gHooksDebug; | 
|  | } // namespace android; | 
|  |  | 
|  | // ---------------------------------------------------------------------------- | 
|  |  | 
|  | static inline void clearError() { egl_tls_t::clearError(); } | 
|  | static inline EGLContext getContext() { return egl_tls_t::getContext(); } | 
|  |  | 
|  | // ---------------------------------------------------------------------------- | 
|  |  | 
|  | EGLDisplay eglGetDisplay(EGLNativeDisplayType 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 = egl_display_t::getFromNativeDisplay(display); | 
|  | 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); | 
|  |  | 
|  | EGLBoolean res = dp->initialize(major, minor); | 
|  |  | 
|  | return res; | 
|  | } | 
|  |  | 
|  | 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); | 
|  |  | 
|  | EGLBoolean res = dp->terminate(); | 
|  |  | 
|  | return res; | 
|  | } | 
|  |  | 
|  | // ---------------------------------------------------------------------------- | 
|  | // configuration | 
|  | // ---------------------------------------------------------------------------- | 
|  |  | 
|  | EGLBoolean eglGetConfigs(   EGLDisplay dpy, | 
|  | EGLConfig *configs, | 
|  | EGLint config_size, EGLint *num_config) | 
|  | { | 
|  | clearError(); | 
|  |  | 
|  | egl_display_t const * const dp = validate_display(dpy); | 
|  | if (!dp) return EGL_FALSE; | 
|  |  | 
|  | GLint numConfigs = dp->numTotalConfigs; | 
|  | if (!configs) { | 
|  | *num_config = numConfigs; | 
|  | return EGL_TRUE; | 
|  | } | 
|  |  | 
|  | GLint n = 0; | 
|  | for (intptr_t i=0 ; i<dp->numTotalConfigs && 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 = validate_display(dpy); | 
|  | if (!dp) return 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 ; i<dp->numTotalConfigs ; 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<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->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<EGLint *>(attrib_list)); | 
|  | return res; | 
|  | } | 
|  |  | 
|  |  | 
|  | for (int i=0 ; i<IMPL_NUM_IMPLEMENTATIONS ; i++) { | 
|  | egl_connection_t* const cnx = &gEGLImpl[i]; | 
|  | if (cnx->dso) { | 
|  | 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<n ; j++) { | 
|  | egl_config_t key(i, configs[j]); | 
|  | intptr_t index = binarySearch<egl_config_t>( | 
|  | 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; | 
|  |  | 
|  | if (native_window_api_connect(window, NATIVE_WINDOW_API_EGL) != OK) { | 
|  | LOGE("EGLNativeWindowType %p already connected to another API", | 
|  | window); | 
|  | return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE); | 
|  | } | 
|  |  | 
|  | // 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) { | 
|  | int err = native_window_set_buffers_format(window, format); | 
|  | if (err != 0) { | 
|  | LOGE("error setting native window pixel format: %s (%d)", | 
|  | strerror(-err), err); | 
|  | native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL); | 
|  | return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  | 
|  | // EGLSurface creation failed | 
|  | native_window_set_buffers_format(window, 0); | 
|  | native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL); | 
|  | } | 
|  | 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(); | 
|  |  | 
|  | egl_display_t const * const dp = validate_display(dpy); | 
|  | if (!dp) return EGL_FALSE; | 
|  |  | 
|  | SurfaceRef _s(dp, surface); | 
|  | if (!_s.get()) | 
|  | return setError(EGL_BAD_SURFACE, EGL_FALSE); | 
|  |  | 
|  | 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) { | 
|  | _s.terminate(); | 
|  | } | 
|  | return result; | 
|  | } | 
|  |  | 
|  | EGLBoolean eglQuerySurface( EGLDisplay dpy, EGLSurface surface, | 
|  | EGLint attribute, EGLint *value) | 
|  | { | 
|  | clearError(); | 
|  |  | 
|  | egl_display_t const * const dp = validate_display(dpy); | 
|  | if (!dp) return EGL_FALSE; | 
|  |  | 
|  | SurfaceRef _s(dp, surface); | 
|  | if (!_s.get()) | 
|  | return setError(EGL_BAD_SURFACE, EGL_FALSE); | 
|  |  | 
|  | 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(); | 
|  |  | 
|  | egl_display_t const * const dp = validate_display(dpy); | 
|  | if (!dp) | 
|  | return EGL_FALSE; | 
|  |  | 
|  | ContextRef _c(dp, ctx); | 
|  | if (!_c.get()) | 
|  | return setError(EGL_BAD_CONTEXT, EGL_FALSE); | 
|  |  | 
|  | 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(); | 
|  |  | 
|  | egl_display_t const * const dp = get_display(dpy); | 
|  | if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE); | 
|  |  | 
|  | // If ctx is not EGL_NO_CONTEXT, read is not EGL_NO_SURFACE, or draw is not | 
|  | // EGL_NO_SURFACE, then an EGL_NOT_INITIALIZED error is generated if dpy is | 
|  | // a valid but uninitialized display. | 
|  | if ( (ctx != EGL_NO_CONTEXT) || (read != EGL_NO_SURFACE) || | 
|  | (draw != EGL_NO_SURFACE) ) { | 
|  | if (!dp->isReady()) return setError(EGL_NOT_INITIALIZED, EGL_FALSE); | 
|  | } | 
|  |  | 
|  | // get a reference to the object passed in | 
|  | ContextRef _c(dp, ctx); | 
|  | SurfaceRef _d(dp, draw); | 
|  | SurfaceRef _r(dp, read); | 
|  |  | 
|  | // validate the context (if not EGL_NO_CONTEXT) | 
|  | if ((ctx != EGL_NO_CONTEXT) && !_c.get()) { | 
|  | // 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]); | 
|  | egl_tls_t::setContext(ctx); | 
|  | if (gEGLDebugLevel > 0) { | 
|  | CreateDbgContext(c->version, c->cnx->hooks[c->version]); | 
|  | } | 
|  | _c.acquire(); | 
|  | _r.acquire(); | 
|  | _d.acquire(); | 
|  | c->read = read; | 
|  | c->draw = draw; | 
|  | } else { | 
|  | setGLHooksThreadSpecific(&gHooksNoContext); | 
|  | egl_tls_t::setContext(EGL_NO_CONTEXT); | 
|  | } | 
|  | } else { | 
|  | // this will LOGE the error | 
|  | result = setError(c->cnx->egl.eglGetError(), EGL_FALSE); | 
|  | } | 
|  | return result; | 
|  | } | 
|  |  | 
|  |  | 
|  | EGLBoolean eglQueryContext( EGLDisplay dpy, EGLContext ctx, | 
|  | EGLint attribute, EGLint *value) | 
|  | { | 
|  | clearError(); | 
|  |  | 
|  | egl_display_t const * const dp = validate_display(dpy); | 
|  | if (!dp) return EGL_FALSE; | 
|  |  | 
|  | ContextRef _c(dp, ctx); | 
|  | if (!_c.get()) return setError(EGL_BAD_CONTEXT, EGL_FALSE); | 
|  |  | 
|  | 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 ; i<IMPL_NUM_IMPLEMENTATIONS ; i++) { | 
|  | err = EGL_SUCCESS; | 
|  | egl_connection_t* const cnx = &gEGLImpl[i]; | 
|  | if (cnx->dso) | 
|  | err = cnx->egl.eglGetError(); | 
|  | if (err!=EGL_SUCCESS && result==EGL_SUCCESS) | 
|  | result = err; | 
|  | } | 
|  | err = egl_tls_t::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; | 
|  | } | 
|  |  | 
|  | // The EGL_ANDROID_blob_cache extension should not be exposed to | 
|  | // applications.  It is used internally by the Android EGL layer. | 
|  | if (!strcmp(procname, "eglSetBlobCacheFuncsANDROID")) { | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  | __eglMustCastToProperFunctionPointerType addr; | 
|  | addr = findProcAddress(procname, sExtentionMap, NELEM(sExtentionMap)); | 
|  | if (addr) return addr; | 
|  |  | 
|  |  | 
|  | // this protects accesses to sGLExtentionMap and sGLExtentionSlot | 
|  | pthread_mutex_lock(&sExtensionMapMutex); | 
|  |  | 
|  | /* | 
|  | * 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 = sGLExtentionMap.valueFor(name); | 
|  | const int slot = sGLExtentionSlot; | 
|  |  | 
|  | 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 ; i<IMPL_NUM_IMPLEMENTATIONS ; i++) { | 
|  | egl_connection_t* const cnx = &gEGLImpl[i]; | 
|  | if (cnx->dso && 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; | 
|  | } | 
|  |  | 
|  | sGLExtentionMap.add(name, addr); | 
|  | sGLExtentionSlot++; | 
|  | } | 
|  | } | 
|  |  | 
|  | pthread_mutex_unlock(&sExtensionMapMutex); | 
|  | return addr; | 
|  | } | 
|  |  | 
|  | EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface draw) | 
|  | { | 
|  | EGLBoolean Debug_eglSwapBuffers(EGLDisplay dpy, EGLSurface draw); | 
|  | if (gEGLDebugLevel > 0) | 
|  | Debug_eglSwapBuffers(dpy, draw); | 
|  |  | 
|  | clearError(); | 
|  |  | 
|  | egl_display_t const * const dp = validate_display(dpy); | 
|  | if (!dp) return EGL_FALSE; | 
|  |  | 
|  | SurfaceRef _s(dp, draw); | 
|  | if (!_s.get()) | 
|  | return setError(EGL_BAD_SURFACE, EGL_FALSE); | 
|  |  | 
|  | 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(); | 
|  |  | 
|  | egl_display_t const * const dp = validate_display(dpy); | 
|  | if (!dp) return EGL_FALSE; | 
|  |  | 
|  | SurfaceRef _s(dp, surface); | 
|  | if (!_s.get()) | 
|  | return setError(EGL_BAD_SURFACE, EGL_FALSE); | 
|  |  | 
|  | 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 = validate_display(dpy); | 
|  | if (!dp) return (const char *) NULL; | 
|  |  | 
|  | switch (name) { | 
|  | case EGL_VENDOR: | 
|  | return dp->getVendorString(); | 
|  | case EGL_VERSION: | 
|  | return dp->getVersionString(); | 
|  | case EGL_EXTENSIONS: | 
|  | return dp->getExtensionString(); | 
|  | case EGL_CLIENT_APIS: | 
|  | return dp->getClientApiString(); | 
|  | } | 
|  | return setError(EGL_BAD_PARAMETER, (const char *)0); | 
|  | } | 
|  |  | 
|  |  | 
|  | // ---------------------------------------------------------------------------- | 
|  | // EGL 1.1 | 
|  | // ---------------------------------------------------------------------------- | 
|  |  | 
|  | EGLBoolean eglSurfaceAttrib( | 
|  | EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value) | 
|  | { | 
|  | clearError(); | 
|  |  | 
|  | egl_display_t const * const dp = validate_display(dpy); | 
|  | if (!dp) return EGL_FALSE; | 
|  |  | 
|  | SurfaceRef _s(dp, surface); | 
|  | if (!_s.get()) | 
|  | return setError(EGL_BAD_SURFACE, EGL_FALSE); | 
|  |  | 
|  | 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(); | 
|  |  | 
|  | egl_display_t const * const dp = validate_display(dpy); | 
|  | if (!dp) return EGL_FALSE; | 
|  |  | 
|  | SurfaceRef _s(dp, surface); | 
|  | if (!_s.get()) | 
|  | return setError(EGL_BAD_SURFACE, EGL_FALSE); | 
|  |  | 
|  | 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(); | 
|  |  | 
|  | egl_display_t const * const dp = validate_display(dpy); | 
|  | if (!dp) return EGL_FALSE; | 
|  |  | 
|  | SurfaceRef _s(dp, surface); | 
|  | if (!_s.get()) | 
|  | return setError(EGL_BAD_SURFACE, EGL_FALSE); | 
|  |  | 
|  | 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 * const dp = validate_display(dpy); | 
|  | if (!dp) return EGL_FALSE; | 
|  |  | 
|  | EGLBoolean res = EGL_TRUE; | 
|  | for (int i=0 ; i<IMPL_NUM_IMPLEMENTATIONS ; i++) { | 
|  | egl_connection_t* const cnx = &gEGLImpl[i]; | 
|  | if (cnx->dso) { | 
|  | 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 ; i<IMPL_NUM_IMPLEMENTATIONS ; i++) { | 
|  | egl_connection_t* const cnx = &gEGLImpl[i]; | 
|  | if (cnx->dso) { | 
|  | 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 ; i<IMPL_NUM_IMPLEMENTATIONS ; i++) { | 
|  | egl_connection_t* const cnx = &gEGLImpl[i]; | 
|  | if (cnx->dso) { | 
|  | 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 ; i<IMPL_NUM_IMPLEMENTATIONS ; i++) { | 
|  | egl_connection_t* const cnx = &gEGLImpl[i]; | 
|  | if (cnx->dso) { | 
|  | if (cnx->egl.eglReleaseThread) { | 
|  | cnx->egl.eglReleaseThread(); | 
|  | } | 
|  | } | 
|  | } | 
|  | egl_tls_t::clearTLS(); | 
|  | dbgReleaseThread(); | 
|  | 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(); | 
|  |  | 
|  | egl_display_t const * const dp = validate_display(dpy); | 
|  | if (!dp) return EGL_FALSE; | 
|  |  | 
|  | SurfaceRef _s(dp, surface); | 
|  | if (!_s.get()) | 
|  | return setError(EGL_BAD_SURFACE, EGL_FALSE); | 
|  |  | 
|  | 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(); | 
|  |  | 
|  | egl_display_t const * const dp = validate_display(dpy); | 
|  | if (!dp) return EGL_FALSE; | 
|  |  | 
|  | SurfaceRef _s(dp, surface); | 
|  | if (!_s.get()) | 
|  | return setError(EGL_BAD_SURFACE, EGL_FALSE); | 
|  |  | 
|  | 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(); | 
|  |  | 
|  | egl_display_t const * const dp = validate_display(dpy); | 
|  | if (!dp) return EGL_NO_IMAGE_KHR; | 
|  |  | 
|  | if (ctx != EGL_NO_CONTEXT) { | 
|  | ContextRef _c(dp, ctx); | 
|  | if (!_c.get()) | 
|  | return setError(EGL_BAD_CONTEXT, EGL_NO_IMAGE_KHR); | 
|  | 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 | 
|  |  | 
|  | /* 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 ; i<IMPL_NUM_IMPLEMENTATIONS ; i++) { | 
|  | egl_connection_t* const cnx = &gEGLImpl[i]; | 
|  | implImages[i] = EGL_NO_IMAGE_KHR; | 
|  | if (cnx->dso) { | 
|  | 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 = validate_display(dpy); | 
|  | if (!dp) return EGL_FALSE; | 
|  |  | 
|  | ImageRef _i(dp, 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_IMPLEMENTATIONS ; i++) { | 
|  | egl_connection_t* const cnx = &gEGLImpl[i]; | 
|  | if (image->images[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(); | 
|  |  | 
|  | egl_display_t const * const dp = validate_display(dpy); | 
|  | if (!dp) return EGL_NO_SYNC_KHR; | 
|  |  | 
|  | EGLContext ctx = eglGetCurrentContext(); | 
|  | ContextRef _c(dp, ctx); | 
|  | if (!_c.get()) | 
|  | return setError(EGL_BAD_CONTEXT, EGL_NO_SYNC_KHR); | 
|  |  | 
|  | 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 = validate_display(dpy); | 
|  | if (!dp) return EGL_FALSE; | 
|  |  | 
|  | SyncRef _s(dp, sync); | 
|  | if (!_s.get()) return setError(EGL_BAD_PARAMETER, EGL_FALSE); | 
|  | egl_sync_t* syncObject = get_sync(sync); | 
|  |  | 
|  | EGLContext ctx = syncObject->context; | 
|  | ContextRef _c(dp, ctx); | 
|  | if (!_c.get()) | 
|  | return setError(EGL_BAD_CONTEXT, EGL_FALSE); | 
|  |  | 
|  | EGLBoolean result = EGL_FALSE; | 
|  | egl_context_t * const c = get_context(ctx); | 
|  | if (c->cnx->egl.eglDestroySyncKHR) { | 
|  | result = c->cnx->egl.eglDestroySyncKHR( | 
|  | dp->disp[c->impl].dpy, syncObject->sync); | 
|  | if (result) | 
|  | _s.terminate(); | 
|  | } | 
|  | return result; | 
|  | } | 
|  |  | 
|  | EGLint eglClientWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout) | 
|  | { | 
|  | clearError(); | 
|  |  | 
|  | egl_display_t const * const dp = validate_display(dpy); | 
|  | if (!dp) return EGL_FALSE; | 
|  |  | 
|  | SyncRef _s(dp, sync); | 
|  | if (!_s.get()) return setError(EGL_BAD_PARAMETER, EGL_FALSE); | 
|  | egl_sync_t* syncObject = get_sync(sync); | 
|  |  | 
|  | EGLContext ctx = syncObject->context; | 
|  | ContextRef _c(dp, ctx); | 
|  | if (!_c.get()) | 
|  | return setError(EGL_BAD_CONTEXT, 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 = validate_display(dpy); | 
|  | if (!dp) return EGL_FALSE; | 
|  |  | 
|  | SyncRef _s(dp, sync); | 
|  | if (!_s.get()) | 
|  | return setError(EGL_BAD_PARAMETER, EGL_FALSE); | 
|  |  | 
|  | egl_sync_t* syncObject = get_sync(sync); | 
|  | EGLContext ctx = syncObject->context; | 
|  | ContextRef _c(dp, ctx); | 
|  | if (!_c.get()) | 
|  | return setError(EGL_BAD_CONTEXT, 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 | 
|  | // ---------------------------------------------------------------------------- | 
|  |  | 
|  | /* ANDROID extensions entry-point go here */ | 
|  |  | 
|  | // ---------------------------------------------------------------------------- | 
|  | // NVIDIA extensions | 
|  | // ---------------------------------------------------------------------------- | 
|  | EGLuint64NV eglGetSystemTimeFrequencyNV() | 
|  | { | 
|  | clearError(); | 
|  |  | 
|  | if (egl_init_drivers() == EGL_FALSE) { | 
|  | return setError(EGL_BAD_PARAMETER, EGL_FALSE); | 
|  | } | 
|  |  | 
|  | EGLuint64NV ret = 0; | 
|  | egl_connection_t* const cnx = &gEGLImpl[IMPL_HARDWARE]; | 
|  |  | 
|  | if (cnx->dso) { | 
|  | if (cnx->egl.eglGetSystemTimeFrequencyNV) { | 
|  | return cnx->egl.eglGetSystemTimeFrequencyNV(); | 
|  | } | 
|  | } | 
|  |  | 
|  | return setErrorQuiet(EGL_BAD_DISPLAY, 0); | 
|  | } | 
|  |  | 
|  | EGLuint64NV eglGetSystemTimeNV() | 
|  | { | 
|  | clearError(); | 
|  |  | 
|  | if (egl_init_drivers() == EGL_FALSE) { | 
|  | return setError(EGL_BAD_PARAMETER, EGL_FALSE); | 
|  | } | 
|  |  | 
|  | EGLuint64NV ret = 0; | 
|  | egl_connection_t* const cnx = &gEGLImpl[IMPL_HARDWARE]; | 
|  |  | 
|  | if (cnx->dso) { | 
|  | if (cnx->egl.eglGetSystemTimeNV) { | 
|  | return cnx->egl.eglGetSystemTimeNV(); | 
|  | } | 
|  | } | 
|  |  | 
|  | return setErrorQuiet(EGL_BAD_DISPLAY, 0); | 
|  | } |