bool
ImageClientOverlay::UpdateImage(ImageContainer* aContainer, uint32_t aContentFlags)
{
AutoLockImage autoLock(aContainer);
Image *image = autoLock.GetImage();
if (!image) {
return false;
}
if (mLastPaintedImageSerial == image->GetSerial()) {
return true;
}
AutoRemoveTexture autoRemoveTexture(this);
if (image->GetFormat() == ImageFormat::OVERLAY_IMAGE) {
OverlayImage* overlayImage = static_cast<OverlayImage*>(image);
uint32_t overlayId = overlayImage->GetOverlayId();
gfx::IntSize size = overlayImage->GetSize();
OverlaySource source;
source.handle() = OverlayHandle(overlayId);
source.size() = size;
GetForwarder()->UseOverlaySource(this, source);
}
UpdatePictureRect(image->GetPictureRect());
return true;
}
bool
ImageClientSingle::UpdateImage(ImageContainer* aContainer, uint32_t aContentFlags)
{
AutoTArray<ImageContainer::OwningImage,4> images;
uint32_t generationCounter;
aContainer->GetCurrentImages(&images, &generationCounter);
if (mLastUpdateGenerationCounter == generationCounter) {
return true;
}
mLastUpdateGenerationCounter = generationCounter;
for (int32_t i = images.Length() - 1; i >= 0; --i) {
if (!images[i].mImage->IsValid()) {
// Don't try to update to an invalid image.
images.RemoveElementAt(i);
}
}
if (images.IsEmpty()) {
// This can happen if a ClearAllImages raced with SetCurrentImages from
// another thread and ClearImagesFromImageBridge ran after the
// SetCurrentImages call but before UpdateImageClientNow.
// This can also happen if all images in the list are invalid.
// We return true because the caller would attempt to recreate the
// ImageClient otherwise, and that isn't going to help.
return true;
}
nsTArray<Buffer> newBuffers;
AutoTArray<CompositableForwarder::TimedTextureClient,4> textures;
for (auto& img : images) {
Image* image = img.mImage;
#ifdef MOZ_WIDGET_GONK
if (image->GetFormat() == ImageFormat::OVERLAY_IMAGE) {
OverlayImage* overlayImage = static_cast<OverlayImage*>(image);
OverlaySource source;
if (overlayImage->GetSidebandStream().IsValid()) {
// Duplicate GonkNativeHandle::NhObj for ipc,
// since ParamTraits<GonkNativeHandle>::Write() absorbs native_handle_t.
RefPtr<GonkNativeHandle::NhObj> nhObj = overlayImage->GetSidebandStream().GetDupNhObj();
GonkNativeHandle handle(nhObj);
if (!handle.IsValid()) {
gfxWarning() << "ImageClientSingle::UpdateImage failed in GetDupNhObj";
return false;
}
source.handle() = OverlayHandle(handle);
} else {
source.handle() = OverlayHandle(overlayImage->GetOverlayId());
}
source.size() = overlayImage->GetSize();
GetForwarder()->UseOverlaySource(this, source, image->GetPictureRect());
continue;
}
#endif
RefPtr<TextureClient> texture = image->GetTextureClient(this);
const bool hasTextureClient = !!texture;
for (int32_t i = mBuffers.Length() - 1; i >= 0; --i) {
if (mBuffers[i].mImageSerial == image->GetSerial()) {
if (hasTextureClient) {
MOZ_ASSERT(image->GetTextureClient(this) == mBuffers[i].mTextureClient);
} else {
texture = mBuffers[i].mTextureClient;
}
// Remove this element from mBuffers so mBuffers only contains
// images that aren't present in 'images'
mBuffers.RemoveElementAt(i);
}
}
if (!texture) {
// Slow path, we should not be hitting it very often and if we do it means
// we are using an Image class that is not backed by textureClient and we
// should fix it.
if (image->GetFormat() == ImageFormat::PLANAR_YCBCR) {
PlanarYCbCrImage* ycbcr = static_cast<PlanarYCbCrImage*>(image);
const PlanarYCbCrData* data = ycbcr->GetData();
if (!data) {
return false;
}
texture = TextureClient::CreateForYCbCr(GetForwarder(),
data->mYSize, data->mCbCrSize, data->mStereoMode,
TextureFlags::DEFAULT | mTextureFlags
);
if (!texture) {
return false;
}
TextureClientAutoLock autoLock(texture, OpenMode::OPEN_WRITE_ONLY);
if (!autoLock.Succeeded()) {
return false;
}
bool status = UpdateYCbCrTextureClient(texture, *data);
MOZ_ASSERT(status);
if (!status) {
return false;
}
} else if (image->GetFormat() == ImageFormat::SURFACE_TEXTURE ||
image->GetFormat() == ImageFormat::EGLIMAGE) {
gfx::IntSize size = image->GetSize();
if (image->GetFormat() == ImageFormat::EGLIMAGE) {
EGLImageImage* typedImage = image->AsEGLImageImage();
texture = EGLImageTextureData::CreateTextureClient(
typedImage, size, GetForwarder(), mTextureFlags);
#ifdef MOZ_WIDGET_ANDROID
} else if (image->GetFormat() == ImageFormat::SURFACE_TEXTURE) {
SurfaceTextureImage* typedImage = image->AsSurfaceTextureImage();
texture = AndroidSurfaceTextureData::CreateTextureClient(
typedImage->GetSurfaceTexture(), size, typedImage->GetOriginPos(),
GetForwarder(), mTextureFlags
);
#endif
} else {
MOZ_ASSERT(false, "Bad ImageFormat.");
}
} else {
RefPtr<gfx::SourceSurface> surface = image->GetAsSourceSurface();
MOZ_ASSERT(surface);
texture = CreateTextureClientForDrawing(surface->GetFormat(), image->GetSize(),
BackendSelector::Content, mTextureFlags);
if (!texture) {
return false;
}
MOZ_ASSERT(texture->CanExposeDrawTarget());
if (!texture->Lock(OpenMode::OPEN_WRITE_ONLY)) {
return false;
}
{
// We must not keep a reference to the DrawTarget after it has been unlocked.
DrawTarget* dt = texture->BorrowDrawTarget();
if (!dt) {
gfxWarning() << "ImageClientSingle::UpdateImage failed in BorrowDrawTarget";
return false;
}
MOZ_ASSERT(surface.get());
dt->CopySurface(surface, IntRect(IntPoint(), surface->GetSize()), IntPoint());
}
texture->Unlock();
}
}
if (!texture || !AddTextureClient(texture)) {
return false;
}
CompositableForwarder::TimedTextureClient* t = textures.AppendElement();
t->mTextureClient = texture;
t->mTimeStamp = img.mTimeStamp;
t->mPictureRect = image->GetPictureRect();
t->mFrameID = img.mFrameID;
t->mProducerID = img.mProducerID;
Buffer* newBuf = newBuffers.AppendElement();
newBuf->mImageSerial = image->GetSerial();
newBuf->mTextureClient = texture;
texture->SyncWithObject(GetForwarder()->GetSyncObject());
}
GetForwarder()->UseTextures(this, textures);
for (auto& b : mBuffers) {
RemoveTexture(b.mTextureClient);
}
mBuffers.SwapElements(newBuffers);
return true;
}