static void
_glitz_egl_make_current (void *abstract_drawable,
void *abstract_context)
{
glitz_egl_context_t *context = (glitz_egl_context_t *) abstract_context;
glitz_egl_surface_t *drawable = (glitz_egl_surface_t *) abstract_drawable;
glitz_egl_display_info_t *display_info =
drawable->screen_info->display_info;
if (drawable->base.width != drawable->width ||
drawable->base.height != drawable->height)
_glitz_egl_drawable_update_size (drawable,
drawable->base.width,
drawable->base.height);
if ((eglGetCurrentContext () != context->egl_context) ||
(eglGetCurrentSurface ( EGL_READ ) != drawable->egl_surface))
{
if (display_info->thread_info->cctx)
{
glitz_context_t *ctx = display_info->thread_info->cctx;
if (ctx->lose_current)
ctx->lose_current (ctx->closure);
}
eglMakeCurrent (display_info->egl_display, drawable->egl_surface,
drawable->egl_surface, context->egl_context);
}
display_info->thread_info->cctx = &context->base;
}
static jlong jni_eglGetCurrentSurface(JNIEnv *_env, jobject _this, jint readdraw) {
if ((readdraw != EGL_READ) && (readdraw != EGL_DRAW)) {
jniThrowException(_env, "java/lang/IllegalArgumentException", NULL);
return 0;
}
return reinterpret_cast<jlong>(eglGetCurrentSurface(readdraw));
}
int Java_org_yabause_android_YabauseRunnable_initViewport()
{
int error;
char * buf;
g_Display = eglGetCurrentDisplay();
g_Surface = eglGetCurrentSurface(EGL_READ);
g_Context = eglGetCurrentContext();
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrthof(0, 320, 224, 0, 1, 0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glDisable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
yprintf(glGetString(GL_VENDOR));
yprintf(glGetString(GL_RENDERER));
yprintf(glGetString(GL_VERSION));
yprintf(glGetString(GL_EXTENSIONS));
yprintf(eglQueryString(g_Display,EGL_EXTENSIONS));
eglSwapInterval(g_Display,0);
eglMakeCurrent(g_Display,EGL_NO_SURFACE,EGL_NO_SURFACE,EGL_NO_CONTEXT);
return 0;
}
void CEGLGraphicsInterface::CopyBitmapL(CFbsBitmap* aPixMap, CFbsBitmap* )
{
if (eglCopyBuffers(iEglDisplay, eglGetCurrentSurface(EGL_READ), aPixMap) == EGL_FALSE)
{
User::Leave(MapEGLErrorCodeToSymbian(eglGetError()));
}
aPixMap->SetDisplayMode(aPixMap->DisplayMode());
}
void EGLDisplayOpenVG::removeSurface(const EGLSurface& surface, bool destroySurface)
{
ASSERT(surface != EGL_NO_SURFACE);
#if PLATFORM(OLYMPIA)
if (destroySurface) {
// Work around a bug in our EGL implementation where the VGImage
// referenced by eglCreatePbufferFromClientBuffer is not released
// when destroying the context, RIM Bug #1591.
// The context that created the VGImage needs to be current for
// it to be released.
sharedPlatformSurface()->makeResourceCreationContextCurrent();
} else
#endif
if (eglGetCurrentSurface(EGL_DRAW) == surface) {
eglMakeCurrent(m_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
ASSERT_EGL_NO_ERROR();
}
// Destroy the context associated to the surface, if we already created one.
if (m_surfaceConfigIds.contains(surface)) {
EGLint surfaceConfigId = m_surfaceConfigIds.take(surface); // take = get and remove
bool isContextReferenced = false;
if (m_compatibleConfigIds.contains(surfaceConfigId))
surfaceConfigId = m_compatibleConfigIds.get(surfaceConfigId);
HashMap<EGLSurface, EGLint>::iterator end = m_surfaceConfigIds.end();
// ...but only if there's no other surfaces associated to that context.
for (HashMap<EGLSurface, EGLint>::iterator it = m_surfaceConfigIds.begin(); it != end; ++it) {
if ((*it).second == surfaceConfigId) {
isContextReferenced = true;
break;
}
}
if (!isContextReferenced && m_contexts.contains(surfaceConfigId)) {
EGLContext context = m_contexts.take(surfaceConfigId);
eglDestroyContext(m_display, context);
ASSERT_EGL_NO_ERROR();
}
}
m_platformSurfaces.remove(surface);
HashMap<EGLNativeWindowType, EGLSurface>::iterator end = m_windowSurfaces.end();
for (HashMap<EGLNativeWindowType, EGLSurface>::iterator it = m_windowSurfaces.begin(); it != end; ++it) {
if ((*it).second == surface) {
m_windowSurfaces.remove(it);
break;
}
}
if (destroySurface) {
eglDestroySurface(m_display, surface);
ASSERT_EGL_NO_ERROR();
}
}
bool QEGLPlatformContext::makeCurrent(QPlatformSurface *surface)
{
Q_ASSERT(surface->surface()->supportsOpenGL());
eglBindAPI(m_api);
EGLSurface eglSurface = eglSurfaceForPlatformSurface(surface);
if (eglSurface == EGL_NO_SURFACE)
return false;
// shortcut: on some GPUs, eglMakeCurrent is not a cheap operation
if (eglGetCurrentContext() == m_eglContext &&
eglGetCurrentDisplay() == m_eglDisplay &&
eglGetCurrentSurface(EGL_READ) == eglSurface &&
eglGetCurrentSurface(EGL_DRAW) == eglSurface) {
return true;
}
const bool ok = eglMakeCurrent(m_eglDisplay, eglSurface, eglSurface, m_eglContext);
if (ok) {
if (!m_swapIntervalEnvChecked) {
m_swapIntervalEnvChecked = true;
if (qEnvironmentVariableIsSet("QT_QPA_EGLFS_SWAPINTERVAL")) {
QByteArray swapIntervalString = qgetenv("QT_QPA_EGLFS_SWAPINTERVAL");
bool intervalOk;
const int swapInterval = swapIntervalString.toInt(&intervalOk);
if (intervalOk)
m_swapIntervalFromEnv = swapInterval;
}
}
const int requestedSwapInterval = m_swapIntervalFromEnv >= 0
? m_swapIntervalFromEnv
: surface->format().swapInterval();
if (requestedSwapInterval >= 0 && m_swapInterval != requestedSwapInterval) {
m_swapInterval = requestedSwapInterval;
if (eglSurface != EGL_NO_SURFACE) // skip if using surfaceless context
eglSwapInterval(eglDisplay(), m_swapInterval);
}
} else {
qWarning("QEGLPlatformContext: eglMakeCurrent failed: %x", eglGetError());
}
return ok;
}
/* EGLSurface eglGetCurrentSurface ( EGLint readdraw ) */
static jobject
android_eglGetCurrentSurface
(JNIEnv *_env, jobject _this, jint readdraw) {
EGLSurface _returnValue = (EGLSurface) 0;
_returnValue = eglGetCurrentSurface(
(EGLint)readdraw
);
return toEGLHandle(_env, eglsurfaceClass, eglsurfaceConstructor, _returnValue);
}
bool SurfaceOpenVG::isCurrent() const
{
#if PLATFORM(EGL)
return m_eglSurface == eglGetCurrentSurface(EGL_DRAW);
#else
ASSERT_NOT_REACHED();
return false;
#endif
}
static int
evgl_eng_make_current(void *data, void *surface, void *ctxt, int flush)
{
Render_Engine *re;
Outbuf *ob;
EGLContext ctx;
EGLSurface surf;
int ret = 0;
if (!(re = (Render_Engine *)data)) return 0;
if (!(ob = eng_get_ob(re))) return 0;
ctx = (EGLContext)ctxt;
surf = (EGLSurface)surface;
if ((!ctxt) && (!surface))
{
ret =
eglMakeCurrent(ob->egl_disp, EGL_NO_SURFACE,
EGL_NO_SURFACE, EGL_NO_CONTEXT);
if (!ret)
{
ERR("eglMakeCurrent Failed: %#x", eglGetError());
return 0;
}
return 1;
}
if ((eglGetCurrentContext() != ctx) ||
(eglGetCurrentSurface(EGL_READ) != surf) ||
(eglGetCurrentSurface(EGL_DRAW) != surf))
{
if (flush) eng_window_use(NULL);
ret = eglMakeCurrent(ob->egl_disp, surf, surf, ctx);
if (!ret)
{
ERR("eglMakeCurrent Failed: %#x", eglGetError());
return 0;
}
}
return 1;
}
void
TopCanvas::Resume()
{
#if defined(ANDROID) && defined(USE_EGL)
surface = eglGetCurrentSurface(EGL_DRAW);
#endif
OpenGL::SetupContext();
OpenGL::SetupViewport(UnsignedPoint2D(size.cx, size.cy));
}
void EGLWindow::setVSyncEnabled(bool vsync) {
mVSync = vsync;
// we need to make our context current to set vsync
// store previous context to restore when finished.
::EGLSurface oldRead = eglGetCurrentSurface(EGL_READ);
EGL_CHECK_ERROR
::EGLSurface oldDraw = eglGetCurrentSurface(EGL_DRAW);
EGL_CHECK_ERROR
::EGLContext oldContext = eglGetCurrentContext();
EGL_CHECK_ERROR
::EGLDisplay dpy = mGLSupport->getGLDisplay();
mContext->setCurrent();
if (! mIsExternalGLControl )
{
eglSwapInterval(dpy, vsync ? mVSyncInterval : 0);
EGL_CHECK_ERROR
}
void recreate(void)
{
EGLContext currentContext = eglGetCurrentContext();
EGLSurface currentDrawSurface = eglGetCurrentSurface(EGL_DRAW);
EGLSurface currentReadSurface = eglGetCurrentSurface(EGL_READ);
bool rebindDrawSurface = currentDrawSurface == surface;
bool rebindReadSurface = currentReadSurface == surface;
if (rebindDrawSurface || rebindReadSurface) {
eglMakeCurrent(eglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglDestroySurface(eglDisplay, surface);
}
const EglVisual * eglVisual = static_cast<const EglVisual *>(visual);
ANativeWindow_setBuffersGeometry(window.get(), 0, 0, eglVisual->format);
surface = eglCreateWindowSurface(eglDisplay, eglVisual->config, (EGLNativeWindowType)window.get(), NULL);
if (rebindDrawSurface || rebindReadSurface)
eglMakeCurrent(eglDisplay, surface, surface, currentContext);
}
FScopeContext(FPlatformOpenGLContext* PlatformContext)
{
check(PlatformContext);
LastContext = eglGetCurrentContext();
LastSurface = eglGetCurrentSurface(EGL_DRAW);
bSameContextAndSurface = (LastContext == PlatformContext->eglContext) && (LastSurface == PlatformContext->eglSurface);
if (!bSameContextAndSurface)
{
eglMakeCurrent(AndroidEGL::GetInstance()->GetDisplay(), PlatformContext->eglSurface, PlatformContext->eglSurface, PlatformContext->eglContext);
}
}
void
TopCanvas::Create(PixelSize new_size, bool full_screen, bool resizable)
{
#ifdef USE_EGL
display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
surface = eglGetCurrentSurface(EGL_DRAW);
#endif
OpenGL::SetupContext();
SetupViewport(new_size);
}
/*
** GLimp_EndFrame
*/
void GLimp_EndFrame (void)
{
if (!androidSwapped)
eglSwapBuffers( eglGetCurrentDisplay(), eglGetCurrentSurface( EGL_DRAW ) );
androidSwapped = false;
// check logging
QGL_EnableLogging( r_logFile->integer );
}
bool DiWin32EGLWindow::Create(uint32& width, uint32& height, const DiString& title, bool fullscreen)
{
::EGLContext eglContext = 0;
if (!mEglConfig)
{
uint32 samples = 0;
int minAttribs[] =
{
EGL_LEVEL, 0,
EGL_DEPTH_SIZE, 16,
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_NATIVE_RENDERABLE, EGL_FALSE,
EGL_DEPTH_SIZE, EGL_DONT_CARE,
EGL_NONE
};
int maxAttribs[] =
{
EGL_SAMPLES, samples,
EGL_STENCIL_SIZE, INT_MAX,
EGL_NONE
};
mEglConfig = mGLSupport->SelectGLConfig(minAttribs, maxAttribs);
}
bool ret = _Create(width, height, title, fullscreen);
mContext = CreateEGLContext();
mContext->BeginContext();
::EGLSurface oldDrawableDraw = eglGetCurrentSurface(EGL_DRAW);
::EGLSurface oldDrawableRead = eglGetCurrentSurface(EGL_READ);
::EGLContext oldContext = eglGetCurrentContext();
int glConfigID;
mGLSupport->GetGLConfigAttrib(mEglConfig, EGL_CONFIG_ID, &glConfigID);
DI_INFO("EGLWindow::create used FBConfigID = %d", glConfigID);
return ret;
}
/* private native int _getCurrentSurface ( int readdraw ) ; */
KNIEXPORT KNI_RETURNTYPE_INT
Java_javax_microedition_khronos_egl_EGL10Impl__1getCurrentSurface() {
jint readdraw = KNI_GetParameterAsInt(1);
jint returnValue = (jint)eglGetCurrentSurface((EGLint)readdraw);
#ifdef DEBUG
printf("eglGetCurrentSurface(%d) = %d\n", readdraw, returnValue);
#endif
KNI_ReturnInt(returnValue);
}
void
recreate(void) {
EGLContext currentContext = eglGetCurrentContext();
EGLSurface currentDrawSurface = eglGetCurrentSurface(EGL_DRAW);
EGLSurface currentReadSurface = eglGetCurrentSurface(EGL_READ);
bool rebindDrawSurface = currentDrawSurface == surface;
bool rebindReadSurface = currentReadSurface == surface;
if (rebindDrawSurface || rebindReadSurface) {
eglMakeCurrent(eglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
}
eglDestroySurface(eglDisplay, surface);
EGLConfig config = static_cast<const EglVisual *>(visual)->config;
surface = eglCreateWindowSurface(eglDisplay, config, (EGLNativeWindowType)window, NULL);
if (rebindDrawSurface || rebindReadSurface) {
eglMakeCurrent(eglDisplay, surface, surface, currentContext);
}
}
bool GLEnv::InitWithCurrentContext() {
if (IsInitialized())
return true;
display_ = eglGetCurrentDisplay();
contexts_[0] = eglGetCurrentContext();
surfaces_[0] = SurfaceWindowPair(eglGetCurrentSurface(EGL_DRAW), NULL);
return (context() != EGL_NO_CONTEXT) &&
(display() != EGL_NO_DISPLAY) &&
(surface() != EGL_NO_SURFACE);
}
// Test a bug in our EGL TLS implementation.
TEST_F(EGLThreadTest, ThreadInitCrash)
{
std::thread runner(&EGLThreadTest::threadingTest, this);
// wait for signal from thread
runner.join();
// crash, because the TLS value is NULL on main thread
eglGetCurrentSurface(EGL_DRAW);
eglGetCurrentContext();
eglTerminate(mDisplay);
}
void
eng_window_use(Evas_GL_Wl_Window *gw)
{
Eina_Bool force_use = EINA_FALSE;
if (_evas_gl_wl_window)
{
if ((eglGetCurrentContext() !=
_evas_gl_wl_window->egl_context[0]) ||
(eglGetCurrentSurface(EGL_READ) !=
_evas_gl_wl_window->egl_surface[0]) ||
(eglGetCurrentSurface(EGL_DRAW) !=
_evas_gl_wl_window->egl_surface[0]))
force_use = EINA_TRUE;
}
if ((_evas_gl_wl_window != gw) || (force_use))
{
if (_evas_gl_wl_window)
{
evas_gl_common_context_use(_evas_gl_wl_window->gl_context);
evas_gl_common_context_flush(_evas_gl_wl_window->gl_context);
}
_evas_gl_wl_window = gw;
if (gw)
{
// EGL / GLES
if (gw->egl_surface[0] != EGL_NO_SURFACE)
{
if (eglMakeCurrent(gw->egl_disp, gw->egl_surface[0],
gw->egl_surface[0],
gw->egl_context[0]) == EGL_FALSE)
{
ERR("eglMakeCurrent() failed!");
}
}
}
}
if (gw) evas_gl_common_context_use(gw->gl_context);
}
static jboolean android_view_HardwareRenderer_preserveBackBuffer(JNIEnv* env, jobject clazz) {
EGLDisplay display = eglGetCurrentDisplay();
EGLSurface surface = eglGetCurrentSurface(EGL_DRAW);
eglGetError();
eglSurfaceAttrib(display, surface, EGL_SWAP_BEHAVIOR, EGL_BUFFER_PRESERVED);
EGLint error = eglGetError();
if (error != EGL_SUCCESS) {
RENDERER_LOGD("Could not enable buffer preserved swap behavior (%x)", error);
}
return error == EGL_SUCCESS;
}
static void
_egl_query_current_state (cairo_egl_context_t *ctx)
{
ctx->previous_surface = eglGetCurrentSurface (EGL_DRAW);
ctx->previous_context = eglGetCurrentContext ();
/* If any of the values were none, assume they are all none. Not all
drivers seem well behaved when it comes to using these values across
multiple threads. */
if (ctx->previous_surface == EGL_NO_SURFACE ||
ctx->previous_context == EGL_NO_CONTEXT) {
ctx->previous_surface = EGL_NO_SURFACE;
ctx->previous_context = EGL_NO_CONTEXT;
}
}
static jboolean android_view_HardwareRenderer_isBackBufferPreserved(JNIEnv* env, jobject clazz) {
EGLDisplay display = eglGetCurrentDisplay();
EGLSurface surface = eglGetCurrentSurface(EGL_DRAW);
EGLint value;
eglGetError();
eglQuerySurface(display, surface, EGL_SWAP_BEHAVIOR, &value);
EGLint error = eglGetError();
if (error != EGL_SUCCESS) {
RENDERER_LOGD("Could not query buffer preserved swap behavior (%x)", error);
}
return error == EGL_SUCCESS && value == EGL_BUFFER_PRESERVED;
}
void
recreate(void) {
EGLContext currentContext = eglGetCurrentContext();
EGLSurface currentDrawSurface = eglGetCurrentSurface(EGL_DRAW);
EGLSurface currentReadSurface = eglGetCurrentSurface(EGL_READ);
bool rebindDrawSurface = currentDrawSurface == surface;
bool rebindReadSurface = currentReadSurface == surface;
if (rebindDrawSurface || rebindReadSurface) {
eglMakeCurrent(eglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
}
// XXX: Defer destruction to prevent getting the same surface as before, which seems to cause Mesa to crash
EGLSurface oldSurface = surface;
EGLConfig config = static_cast<const EglVisual *>(visual)->config;
surface = eglCreateWindowSurface(eglDisplay, config, (EGLNativeWindowType)window, NULL);
if (rebindDrawSurface || rebindReadSurface) {
eglMakeCurrent(eglDisplay, surface, surface, currentContext);
}
eglDestroySurface(eglDisplay, oldSurface);
}
SurfaceOpenVG* EGLDisplayOpenVG::currentSurface()
{
EGLDisplayManagerMap& managers = displayManagers();
EGLDisplay currentDisplay = eglGetCurrentDisplay();
if (currentDisplay == EGL_NO_DISPLAY || !managers.contains(currentDisplay))
return 0;
EGLDisplayOpenVG* displayManager = managers.get(currentDisplay);
EGLSurface currentSurface = eglGetCurrentSurface(EGL_DRAW);
if (currentSurface == EGL_NO_SURFACE || !displayManager->m_platformSurfaces.contains(currentSurface))
return 0;
return displayManager->m_platformSurfaces.get(currentSurface);
}
bool GLEnv::Activate() {
ALOGV("Activate()");
if (display() != eglGetCurrentDisplay() ||
context() != eglGetCurrentContext() ||
surface() != eglGetCurrentSurface(EGL_DRAW)) {
// Make sure we are initialized
if (context() == EGL_NO_CONTEXT || surface() == EGL_NO_SURFACE)
return false;
// Make our context current
ALOGV("eglMakeCurrent");
eglMakeCurrent(display(), surface(), surface(), context());
return !CheckEGLMakeCurrentError();
}
return true;
}
void EGLDisplayOpenVG::destroySurface(const EGLSurface& surface)
{
ASSERT(surface != EGL_NO_SURFACE);
if (eglGetCurrentSurface(EGL_DRAW) == surface) {
eglMakeCurrent(m_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
ASSERT_EGL_NO_ERROR();
}
// Destroy the context associated to the surface, if we already created one.
if (m_surfaceConfigIds.contains(surface)) {
EGLint surfaceConfigId = m_surfaceConfigIds.take(surface); // take = get and remove
bool isContextReferenced = false;
if (m_compatibleConfigIds.contains(surfaceConfigId))
surfaceConfigId = m_compatibleConfigIds.get(surfaceConfigId);
HashMap<EGLSurface, EGLint>::iterator end = m_surfaceConfigIds.end();
// ...but only if there's no other surfaces associated to that context.
for (HashMap<EGLSurface, EGLint>::iterator it = m_surfaceConfigIds.begin(); it != end; ++it) {
if ((*it).second == surfaceConfigId) {
isContextReferenced = true;
break;
}
}
if (!isContextReferenced && m_contexts.contains(surfaceConfigId)) {
EGLContext context = m_contexts.take(surfaceConfigId);
eglDestroyContext(m_display, context);
ASSERT_EGL_NO_ERROR();
}
}
m_platformSurfaces.remove(surface);
HashMap<EGLNativeWindowType, EGLSurface>::iterator end = m_windowSurfaces.end();
for (HashMap<EGLNativeWindowType, EGLSurface>::iterator it = m_windowSurfaces.begin(); it != end; ++it) {
if ((*it).second == surface) {
m_windowSurfaces.remove(it);
break;
}
}
eglDestroySurface(m_display, surface);
ASSERT_EGL_NO_ERROR();
}
static void
_glitz_egl_context_update (glitz_egl_surface_t *drawable,
glitz_constraint_t constraint)
{
EGLContext egl_context;
drawable->base.flushed = drawable->base.finished = 0;
switch (constraint) {
case GLITZ_NONE:
break;
case GLITZ_ANY_CONTEXT_CURRENT: {
glitz_egl_display_info_t *dinfo = drawable->screen_info->display_info;
if (dinfo->thread_info->cctx)
{
_glitz_egl_context_make_current (drawable, 0);
}
else
{
egl_context = eglGetCurrentContext ();
if (egl_context == (EGLContext) 0)
_glitz_egl_context_make_current (drawable, 0);
}
} break;
case GLITZ_CONTEXT_CURRENT:
egl_context = eglGetCurrentContext ();
if (egl_context != drawable->context->egl_context)
_glitz_egl_context_make_current (drawable, (egl_context)? 1: 0);
break;
case GLITZ_DRAWABLE_CURRENT:
if (drawable->base.width != drawable->width ||
drawable->base.height != drawable->height)
_glitz_egl_drawable_update_size (drawable,
drawable->base.width,
drawable->base.height);
egl_context = eglGetCurrentContext ();
if ((egl_context != drawable->context->egl_context) ||
(eglGetCurrentSurface ( 0 ) != drawable->egl_surface))
_glitz_egl_context_make_current (drawable, (egl_context)? 1: 0);
break;
}
}
static void android_view_HardwareRenderer_beginFrame(JNIEnv* env, jobject clazz,
jintArray size) {
EGLDisplay display = eglGetCurrentDisplay();
EGLSurface surface = eglGetCurrentSurface(EGL_DRAW);
if (size) {
EGLint value;
jint* storage = env->GetIntArrayElements(size, NULL);
eglQuerySurface(display, surface, EGL_WIDTH, &value);
storage[0] = value;
eglQuerySurface(display, surface, EGL_HEIGHT, &value);
storage[1] = value;
env->ReleaseIntArrayElements(size, storage, 0);
}
eglBeginFrame(display, surface);
}