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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
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Roy Tam
commit
dcd9973243
150858 changed files with 23884658 additions and 0 deletions
300
gfx/layers/client/ImageClient.cpp
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300
gfx/layers/client/ImageClient.cpp
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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ImageClient.h"
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#include <stdint.h> // for uint32_t
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#include "ClientLayerManager.h" // for ClientLayer
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#include "ImageContainer.h" // for Image, PlanarYCbCrImage, etc
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#include "ImageTypes.h" // for ImageFormat::PLANAR_YCBCR, etc
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#include "GLImages.h" // for SurfaceTextureImage::Data, etc
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#include "gfx2DGlue.h" // for ImageFormatToSurfaceFormat
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#include "gfxPlatform.h" // for gfxPlatform
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#include "mozilla/Assertions.h" // for MOZ_ASSERT, etc
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#include "mozilla/RefPtr.h" // for RefPtr, already_AddRefed
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#include "mozilla/gfx/2D.h"
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#include "mozilla/gfx/BaseSize.h" // for BaseSize
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#include "mozilla/gfx/Point.h" // for IntSize
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#include "mozilla/gfx/Types.h" // for SurfaceFormat, etc
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#include "mozilla/layers/CompositableClient.h" // for CompositableClient
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#include "mozilla/layers/CompositableForwarder.h"
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#include "mozilla/layers/CompositorTypes.h" // for CompositableType, etc
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#include "mozilla/layers/ISurfaceAllocator.h"
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#include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor, etc
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#include "mozilla/layers/ShadowLayers.h" // for ShadowLayerForwarder
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#include "mozilla/layers/TextureClient.h" // for TextureClient, etc
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#include "mozilla/layers/TextureClientOGL.h" // for SurfaceTextureClient
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#include "mozilla/mozalloc.h" // for operator delete, etc
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#include "nsCOMPtr.h" // for already_AddRefed
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#include "nsDebug.h" // for NS_WARNING, NS_ASSERTION
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#include "nsISupportsImpl.h" // for Image::Release, etc
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#include "nsRect.h" // for mozilla::gfx::IntRect
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namespace mozilla {
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namespace layers {
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using namespace mozilla::gfx;
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/* static */ already_AddRefed<ImageClient>
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ImageClient::CreateImageClient(CompositableType aCompositableHostType,
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CompositableForwarder* aForwarder,
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TextureFlags aFlags)
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{
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RefPtr<ImageClient> result = nullptr;
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switch (aCompositableHostType) {
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case CompositableType::IMAGE:
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result = new ImageClientSingle(aForwarder, aFlags, CompositableType::IMAGE);
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break;
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case CompositableType::IMAGE_BRIDGE:
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result = new ImageClientBridge(aForwarder, aFlags);
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break;
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case CompositableType::UNKNOWN:
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result = nullptr;
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break;
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default:
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MOZ_CRASH("GFX: unhandled program type image");
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}
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NS_ASSERTION(result, "Failed to create ImageClient");
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return result.forget();
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}
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void
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ImageClient::RemoveTexture(TextureClient* aTexture)
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{
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GetForwarder()->RemoveTextureFromCompositable(this, aTexture);
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}
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ImageClientSingle::ImageClientSingle(CompositableForwarder* aFwd,
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TextureFlags aFlags,
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CompositableType aType)
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: ImageClient(aFwd, aFlags, aType)
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{
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}
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TextureInfo ImageClientSingle::GetTextureInfo() const
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{
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return TextureInfo(CompositableType::IMAGE);
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}
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void
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ImageClientSingle::FlushAllImages()
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{
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MOZ_ASSERT(GetForwarder()->GetTextureForwarder()->UsesImageBridge());
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for (auto& b : mBuffers) {
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RemoveTexture(b.mTextureClient);
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}
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mBuffers.Clear();
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}
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/* static */ already_AddRefed<TextureClient>
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ImageClient::CreateTextureClientForImage(Image* aImage, KnowsCompositor* aForwarder)
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{
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RefPtr<TextureClient> texture;
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if (aImage->GetFormat() == ImageFormat::PLANAR_YCBCR) {
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PlanarYCbCrImage* ycbcr = static_cast<PlanarYCbCrImage*>(aImage);
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const PlanarYCbCrData* data = ycbcr->GetData();
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if (!data) {
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return nullptr;
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}
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texture = TextureClient::CreateForYCbCr(aForwarder,
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data->mYSize, data->mCbCrSize, data->mStereoMode,
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data->mYUVColorSpace,
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TextureFlags::DEFAULT);
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if (!texture) {
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return nullptr;
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}
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TextureClientAutoLock autoLock(texture, OpenMode::OPEN_WRITE_ONLY);
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if (!autoLock.Succeeded()) {
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return nullptr;
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}
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bool status = UpdateYCbCrTextureClient(texture, *data);
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MOZ_ASSERT(status);
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if (!status) {
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return nullptr;
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}
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} else if (aImage->GetFormat() == ImageFormat::SURFACE_TEXTURE ||
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aImage->GetFormat() == ImageFormat::EGLIMAGE) {
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gfx::IntSize size = aImage->GetSize();
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if (aImage->GetFormat() == ImageFormat::EGLIMAGE) {
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EGLImageImage* typedImage = aImage->AsEGLImageImage();
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texture = EGLImageTextureData::CreateTextureClient(
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typedImage, size, aForwarder->GetTextureForwarder(), TextureFlags::DEFAULT);
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#ifdef MOZ_WIDGET_ANDROID
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} else if (aImage->GetFormat() == ImageFormat::SURFACE_TEXTURE) {
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SurfaceTextureImage* typedImage = aImage->AsSurfaceTextureImage();
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texture = AndroidSurfaceTextureData::CreateTextureClient(
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typedImage->GetSurfaceTexture(), size, typedImage->GetOriginPos(),
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aForwarder->GetTextureForwarder(), TextureFlags::DEFAULT);
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#endif
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} else {
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MOZ_ASSERT(false, "Bad ImageFormat.");
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}
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} else {
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RefPtr<gfx::SourceSurface> surface = aImage->GetAsSourceSurface();
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MOZ_ASSERT(surface);
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texture = TextureClient::CreateForDrawing(aForwarder, surface->GetFormat(), aImage->GetSize(),
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BackendSelector::Content, TextureFlags::DEFAULT);
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if (!texture) {
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return nullptr;
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}
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MOZ_ASSERT(texture->CanExposeDrawTarget());
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if (!texture->Lock(OpenMode::OPEN_WRITE_ONLY)) {
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return nullptr;
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}
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{
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// We must not keep a reference to the DrawTarget after it has been unlocked.
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DrawTarget* dt = texture->BorrowDrawTarget();
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if (!dt) {
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gfxWarning() << "ImageClientSingle::UpdateImage failed in BorrowDrawTarget";
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return nullptr;
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}
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MOZ_ASSERT(surface.get());
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dt->CopySurface(surface, IntRect(IntPoint(), surface->GetSize()), IntPoint());
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}
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texture->Unlock();
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}
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return texture.forget();
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}
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bool
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ImageClientSingle::UpdateImage(ImageContainer* aContainer, uint32_t aContentFlags)
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{
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AutoTArray<ImageContainer::OwningImage,4> images;
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uint32_t generationCounter;
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aContainer->GetCurrentImages(&images, &generationCounter);
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if (mLastUpdateGenerationCounter == generationCounter) {
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return true;
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}
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mLastUpdateGenerationCounter = generationCounter;
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for (int32_t i = images.Length() - 1; i >= 0; --i) {
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if (!images[i].mImage->IsValid()) {
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// Don't try to update to an invalid image.
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images.RemoveElementAt(i);
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}
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}
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if (images.IsEmpty()) {
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// This can happen if a ClearAllImages raced with SetCurrentImages from
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// another thread and ClearImagesFromImageBridge ran after the
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// SetCurrentImages call but before UpdateImageClientNow.
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// This can also happen if all images in the list are invalid.
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// We return true because the caller would attempt to recreate the
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// ImageClient otherwise, and that isn't going to help.
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return true;
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}
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nsTArray<Buffer> newBuffers;
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AutoTArray<CompositableForwarder::TimedTextureClient,4> textures;
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for (auto& img : images) {
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Image* image = img.mImage;
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RefPtr<TextureClient> texture = image->GetTextureClient(GetForwarder());
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const bool hasTextureClient = !!texture;
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for (int32_t i = mBuffers.Length() - 1; i >= 0; --i) {
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if (mBuffers[i].mImageSerial == image->GetSerial()) {
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if (hasTextureClient) {
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MOZ_ASSERT(image->GetTextureClient(GetForwarder()) == mBuffers[i].mTextureClient);
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} else {
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texture = mBuffers[i].mTextureClient;
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}
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// Remove this element from mBuffers so mBuffers only contains
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// images that aren't present in 'images'
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mBuffers.RemoveElementAt(i);
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}
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}
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if (!texture) {
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// Slow path, we should not be hitting it very often and if we do it means
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// we are using an Image class that is not backed by textureClient and we
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// should fix it.
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texture = CreateTextureClientForImage(image, GetForwarder());
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}
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if (!texture || !AddTextureClient(texture)) {
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return false;
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}
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CompositableForwarder::TimedTextureClient* t = textures.AppendElement();
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t->mTextureClient = texture;
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t->mTimeStamp = img.mTimeStamp;
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t->mPictureRect = image->GetPictureRect();
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t->mFrameID = img.mFrameID;
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t->mProducerID = img.mProducerID;
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Buffer* newBuf = newBuffers.AppendElement();
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newBuf->mImageSerial = image->GetSerial();
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newBuf->mTextureClient = texture;
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texture->SyncWithObject(GetForwarder()->GetSyncObject());
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}
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GetForwarder()->UseTextures(this, textures);
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for (auto& b : mBuffers) {
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RemoveTexture(b.mTextureClient);
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}
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mBuffers.SwapElements(newBuffers);
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return true;
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}
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bool
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ImageClientSingle::AddTextureClient(TextureClient* aTexture)
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{
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MOZ_ASSERT((mTextureFlags & aTexture->GetFlags()) == mTextureFlags);
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return CompositableClient::AddTextureClient(aTexture);
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}
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void
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ImageClientSingle::OnDetach()
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{
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mBuffers.Clear();
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}
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ImageClient::ImageClient(CompositableForwarder* aFwd, TextureFlags aFlags,
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CompositableType aType)
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: CompositableClient(aFwd, aFlags)
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, mLayer(nullptr)
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, mType(aType)
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, mLastUpdateGenerationCounter(0)
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{}
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ImageClientBridge::ImageClientBridge(CompositableForwarder* aFwd,
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TextureFlags aFlags)
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: ImageClient(aFwd, aFlags, CompositableType::IMAGE_BRIDGE)
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, mAsyncContainerID(0)
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{
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}
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bool
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ImageClientBridge::UpdateImage(ImageContainer* aContainer, uint32_t aContentFlags)
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{
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if (!GetForwarder() || !mLayer) {
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return false;
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}
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if (mAsyncContainerID == aContainer->GetAsyncContainerID()) {
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return true;
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}
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mAsyncContainerID = aContainer->GetAsyncContainerID();
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static_cast<ShadowLayerForwarder*>(GetForwarder())->AttachAsyncCompositable(mAsyncContainerID, mLayer);
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return true;
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}
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} // namespace layers
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} // namespace mozilla
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