refactor EGL source code
no changes is functionality. split various objects into their own files.
make egl_display objec's lock internal.
diff --git a/opengl/libs/EGL/eglApi.cpp b/opengl/libs/EGL/eglApi.cpp
new file mode 100644
index 0000000..210c24d
--- /dev/null
+++ b/opengl/libs/EGL/eglApi.cpp
@@ -0,0 +1,1464 @@
+/*
+ ** 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;
+
+// ----------------------------------------------------------------------------
+
+static char const * const sVendorString = "Android";
+static char const * const sVersionString = "1.4 Android META-EGL";
+static char const * const sClientApiString = "OpenGL ES";
+static char const * const sExtensionString =
+ "EGL_KHR_image "
+ "EGL_KHR_image_base "
+ "EGL_KHR_image_pixmap "
+ "EGL_KHR_gl_texture_2D_image "
+ "EGL_KHR_gl_texture_cubemap_image "
+ "EGL_KHR_gl_renderbuffer_image "
+ "EGL_KHR_fence_sync "
+ "EGL_ANDROID_image_native_buffer "
+ "EGL_ANDROID_swap_rectangle "
+ ;
+
+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 },
+ { "eglSetSwapRectangleANDROID",
+ (__eglMustCastToProperFunctionPointerType)&eglSetSwapRectangleANDROID },
+};
+
+// 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;
+
+ // set the native window's buffers format to match this config
+ if (cnx->egl.eglGetConfigAttrib(iDpy,
+ iConfig, EGL_NATIVE_VISUAL_ID, &format)) {
+ if (format != 0) {
+ native_window_set_buffers_geometry(window, 0, 0, format);
+ }
+ }
+
+ EGLSurface surface = cnx->egl.eglCreateWindowSurface(
+ iDpy, iConfig, window, attrib_list);
+ if (surface != EGL_NO_SURFACE) {
+ egl_surface_t* s = new egl_surface_t(dpy, config, window, surface,
+ dp->configs[intptr_t(config)].impl, cnx);
+ return s;
+ }
+ }
+ return EGL_NO_SURFACE;
+}
+
+EGLSurface eglCreatePixmapSurface( EGLDisplay dpy, EGLConfig config,
+ NativePixmapType pixmap,
+ const EGLint *attrib_list)
+{
+ clearError();
+
+ egl_display_t const* dp = 0;
+ egl_connection_t* cnx = validate_display_config(dpy, config, dp);
+ if (cnx) {
+ EGLSurface surface = cnx->egl.eglCreatePixmapSurface(
+ dp->disp[ dp->configs[intptr_t(config)].impl ].dpy,
+ dp->configs[intptr_t(config)].config, pixmap, attrib_list);
+ if (surface != EGL_NO_SURFACE) {
+ egl_surface_t* s = new egl_surface_t(dpy, config, NULL, surface,
+ dp->configs[intptr_t(config)].impl, cnx);
+ return s;
+ }
+ }
+ return EGL_NO_SURFACE;
+}
+
+EGLSurface eglCreatePbufferSurface( EGLDisplay dpy, EGLConfig config,
+ const EGLint *attrib_list)
+{
+ clearError();
+
+ egl_display_t const* dp = 0;
+ egl_connection_t* cnx = validate_display_config(dpy, config, dp);
+ if (cnx) {
+ EGLSurface surface = cnx->egl.eglCreatePbufferSurface(
+ dp->disp[ dp->configs[intptr_t(config)].impl ].dpy,
+ dp->configs[intptr_t(config)].config, attrib_list);
+ if (surface != EGL_NO_SURFACE) {
+ egl_surface_t* s = new egl_surface_t(dpy, config, NULL, surface,
+ dp->configs[intptr_t(config)].impl, cnx);
+ return s;
+ }
+ }
+ return EGL_NO_SURFACE;
+}
+
+EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface surface)
+{
+ clearError();
+
+ egl_display_t const * const dp = validate_display(dpy);
+ if (!dp) return EGL_FALSE;
+
+ SurfaceRef _s(surface);
+ if (!_s.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE);
+
+ if (!validate_display_surface(dpy, surface))
+ return 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) {
+ if (s->win != NULL) {
+ native_window_set_buffers_geometry(s->win.get(), 0, 0, 0);
+ }
+ _s.terminate();
+ }
+ return result;
+}
+
+EGLBoolean eglQuerySurface( EGLDisplay dpy, EGLSurface surface,
+ EGLint attribute, EGLint *value)
+{
+ clearError();
+
+ egl_display_t const * const dp = validate_display(dpy);
+ if (!dp) return EGL_FALSE;
+
+ SurfaceRef _s(surface);
+ if (!_s.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE);
+
+ if (!validate_display_surface(dpy, surface))
+ return 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(ctx);
+ if (!_c.get()) return setError(EGL_BAD_CONTEXT, EGL_FALSE);
+
+ if (!validate_display_context(dpy, ctx))
+ return EGL_FALSE;
+ egl_context_t * const c = get_context(ctx);
+ 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(ctx);
+ SurfaceRef _d(draw);
+ SurfaceRef _r(read);
+
+ // validate the context (if not EGL_NO_CONTEXT)
+ if ((ctx != EGL_NO_CONTEXT) && (!validate_display_context(dpy, ctx))) {
+ // EGL_NO_CONTEXT is valid
+ return EGL_FALSE;
+ }
+
+ // these are the underlying implementation's object
+ EGLContext impl_ctx = EGL_NO_CONTEXT;
+ EGLSurface impl_draw = EGL_NO_SURFACE;
+ EGLSurface impl_read = EGL_NO_SURFACE;
+
+ // these are our objects structs passed in
+ egl_context_t * c = NULL;
+ egl_surface_t const * d = NULL;
+ egl_surface_t const * r = NULL;
+
+ // these are the current objects structs
+ egl_context_t * cur_c = get_context(getContext());
+
+ if (ctx != EGL_NO_CONTEXT) {
+ c = get_context(ctx);
+ impl_ctx = c->context;
+ } else {
+ // no context given, use the implementation of the current context
+ if (cur_c == NULL) {
+ // no current context
+ if (draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE) {
+ // calling eglMakeCurrent( ..., !=0, !=0, EGL_NO_CONTEXT);
+ return setError(EGL_BAD_MATCH, EGL_FALSE);
+ }
+ // not an error, there is just no current context.
+ return EGL_TRUE;
+ }
+ }
+
+ // retrieve the underlying implementation's draw EGLSurface
+ if (draw != EGL_NO_SURFACE) {
+ d = get_surface(draw);
+ // make sure the EGLContext and EGLSurface passed in are for
+ // the same driver
+ if (c && d->impl != c->impl)
+ return setError(EGL_BAD_MATCH, EGL_FALSE);
+ impl_draw = d->surface;
+ }
+
+ // retrieve the underlying implementation's read EGLSurface
+ if (read != EGL_NO_SURFACE) {
+ r = get_surface(read);
+ // make sure the EGLContext and EGLSurface passed in are for
+ // the same driver
+ if (c && r->impl != c->impl)
+ return setError(EGL_BAD_MATCH, EGL_FALSE);
+ impl_read = r->surface;
+ }
+
+ EGLBoolean result;
+
+ if (c) {
+ result = c->cnx->egl.eglMakeCurrent(
+ dp->disp[c->impl].dpy, impl_draw, impl_read, impl_ctx);
+ } else {
+ result = cur_c->cnx->egl.eglMakeCurrent(
+ dp->disp[cur_c->impl].dpy, impl_draw, impl_read, impl_ctx);
+ }
+
+ if (result == EGL_TRUE) {
+
+ loseCurrent(cur_c);
+
+ if (ctx != EGL_NO_CONTEXT) {
+ setGLHooksThreadSpecific(c->cnx->hooks[c->version]);
+ 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);
+ }
+ }
+ 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(ctx);
+ if (!_c.get()) return setError(EGL_BAD_CONTEXT, EGL_FALSE);
+
+ if (!validate_display_context(dpy, ctx))
+ return EGL_FALSE;
+
+ egl_context_t * const c = get_context(ctx);
+
+ 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;
+ }
+
+ __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(draw);
+ if (!_s.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE);
+
+ if (!validate_display_surface(dpy, draw))
+ return 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(surface);
+ if (!_s.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE);
+
+ if (!validate_display_surface(dpy, surface))
+ return 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 sVendorString;
+ case EGL_VERSION:
+ return sVersionString;
+ case EGL_EXTENSIONS:
+ return sExtensionString;
+ case EGL_CLIENT_APIS:
+ return sClientApiString;
+ }
+ 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(surface);
+ if (!_s.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE);
+
+ if (!validate_display_surface(dpy, surface))
+ return 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(surface);
+ if (!_s.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE);
+
+ if (!validate_display_surface(dpy, surface))
+ return 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(surface);
+ if (!_s.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE);
+
+ if (!validate_display_surface(dpy, surface))
+ return 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(surface);
+ if (!_s.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE);
+
+ if (!validate_display_surface(dpy, surface))
+ return 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(surface);
+ if (!_s.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE);
+
+ if (!validate_display_surface(dpy, surface))
+ return 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(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_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(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(ctx);
+ if (!_c.get()) return setError(EGL_BAD_CONTEXT, EGL_NO_SYNC_KHR);
+ if (!validate_display_context(dpy, ctx))
+ return EGL_NO_SYNC_KHR;
+ egl_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(sync);
+ if (!_s.get()) return setError(EGL_BAD_PARAMETER, EGL_FALSE);
+ egl_sync_t* syncObject = get_sync(sync);
+
+ EGLContext ctx = syncObject->context;
+ ContextRef _c(ctx);
+ if (!_c.get()) return setError(EGL_BAD_CONTEXT, EGL_FALSE);
+ if (!validate_display_context(dpy, ctx))
+ return EGL_FALSE;
+
+ 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(sync);
+ if (!_s.get()) return setError(EGL_BAD_PARAMETER, EGL_FALSE);
+ egl_sync_t* syncObject = get_sync(sync);
+
+ EGLContext ctx = syncObject->context;
+ ContextRef _c(ctx);
+ if (!_c.get()) return setError(EGL_BAD_CONTEXT, EGL_FALSE);
+ if (!validate_display_context(dpy, ctx))
+ return EGL_FALSE;
+
+ egl_context_t * const c = get_context(ctx);
+
+ if (c->cnx->egl.eglClientWaitSyncKHR) {
+ return c->cnx->egl.eglClientWaitSyncKHR(
+ dp->disp[c->impl].dpy, syncObject->sync, flags, timeout);
+ }
+
+ return EGL_FALSE;
+}
+
+EGLBoolean eglGetSyncAttribKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint attribute, EGLint *value)
+{
+ clearError();
+
+ egl_display_t const * const dp = validate_display(dpy);
+ if (!dp) return EGL_FALSE;
+
+ SyncRef _s(sync);
+ if (!_s.get()) return setError(EGL_BAD_PARAMETER, EGL_FALSE);
+ egl_sync_t* syncObject = get_sync(sync);
+
+ EGLContext ctx = syncObject->context;
+ ContextRef _c(ctx);
+ if (!_c.get()) return setError(EGL_BAD_CONTEXT, EGL_FALSE);
+ if (!validate_display_context(dpy, ctx))
+ return EGL_FALSE;
+
+ egl_context_t * const c = get_context(ctx);
+
+ if (c->cnx->egl.eglGetSyncAttribKHR) {
+ return c->cnx->egl.eglGetSyncAttribKHR(
+ dp->disp[c->impl].dpy, syncObject->sync, attribute, value);
+ }
+
+ return EGL_FALSE;
+}
+
+// ----------------------------------------------------------------------------
+// ANDROID extensions
+// ----------------------------------------------------------------------------
+
+EGLBoolean eglSetSwapRectangleANDROID(EGLDisplay dpy, EGLSurface draw,
+ EGLint left, EGLint top, EGLint width, EGLint height)
+{
+ clearError();
+
+ egl_display_t const * const dp = validate_display(dpy);
+ if (!dp) return EGL_FALSE;
+
+ SurfaceRef _s(draw);
+ if (!_s.get()) return setError(EGL_BAD_SURFACE, EGL_FALSE);
+
+ if (!validate_display_surface(dpy, draw))
+ return EGL_FALSE;
+ egl_surface_t const * const s = get_surface(draw);
+ if (s->cnx->egl.eglSetSwapRectangleANDROID) {
+ return s->cnx->egl.eglSetSwapRectangleANDROID(
+ dp->disp[s->impl].dpy, s->surface, left, top, width, height);
+ }
+ return setError(EGL_BAD_DISPLAY, NULL);
+}