275 lines
7.8 KiB
C++
275 lines
7.8 KiB
C++
/* -*- 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 "mozilla/layers/CompositableClient.h"
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#include <stdint.h> // for uint64_t, uint32_t
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#include "gfxPlatform.h" // for gfxPlatform
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#include "mozilla/layers/CompositableChild.h"
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#include "mozilla/layers/CompositableForwarder.h"
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#include "mozilla/layers/ImageBridgeChild.h"
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#include "mozilla/layers/TextureClient.h" // for TextureClient, etc
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#include "mozilla/layers/TextureClientOGL.h"
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#include "mozilla/mozalloc.h" // for operator delete, etc
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#include "mozilla/layers/PCompositableChild.h"
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#include "mozilla/layers/TextureClientRecycleAllocator.h"
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#ifdef XP_WIN
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#include "gfxWindowsPlatform.h" // for gfxWindowsPlatform
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#include "mozilla/layers/TextureD3D11.h"
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#include "mozilla/layers/TextureD3D9.h"
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#endif
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#include "gfxUtils.h"
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#include "IPDLActor.h"
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namespace mozilla {
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namespace layers {
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using namespace mozilla::gfx;
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void
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CompositableClient::InitIPDLActor(PCompositableChild* aActor, uint64_t aAsyncID)
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{
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MOZ_ASSERT(aActor);
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mForwarder->AssertInForwarderThread();
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mCompositableChild = static_cast<CompositableChild*>(aActor);
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mCompositableChild->Init(this, aAsyncID);
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}
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/* static */ RefPtr<CompositableClient>
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CompositableClient::FromIPDLActor(PCompositableChild* aActor)
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{
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MOZ_ASSERT(aActor);
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RefPtr<CompositableClient> client = static_cast<CompositableChild*>(aActor)->GetCompositableClient();
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if (!client) {
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return nullptr;
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}
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client->mForwarder->AssertInForwarderThread();
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return client;
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}
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CompositableClient::CompositableClient(CompositableForwarder* aForwarder,
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TextureFlags aTextureFlags)
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: mForwarder(aForwarder)
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, mTextureFlags(aTextureFlags)
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{
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MOZ_COUNT_CTOR(CompositableClient);
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}
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CompositableClient::~CompositableClient()
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{
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MOZ_COUNT_DTOR(CompositableClient);
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Destroy();
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}
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LayersBackend
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CompositableClient::GetCompositorBackendType() const
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{
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return mForwarder->GetCompositorBackendType();
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}
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PCompositableChild*
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CompositableClient::GetIPDLActor() const
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{
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return mCompositableChild;
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}
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bool
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CompositableClient::Connect(ImageContainer* aImageContainer)
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{
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MOZ_ASSERT(!mCompositableChild);
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if (!GetForwarder() || GetIPDLActor()) {
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return false;
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}
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GetForwarder()->AssertInForwarderThread();
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GetForwarder()->Connect(this, aImageContainer);
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return true;
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}
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bool
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CompositableClient::IsConnected() const
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{
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// CanSend() is only reliable in the same thread as the IPDL channel.
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mForwarder->AssertInForwarderThread();
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return mCompositableChild && mCompositableChild->IsConnected();
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}
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void
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CompositableClient::Destroy()
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{
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if (!mCompositableChild) {
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return;
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}
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if (mTextureClientRecycler) {
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mTextureClientRecycler->Destroy();
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}
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// Take away our IPDL's actor reference back to us.
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mCompositableChild->RevokeCompositableClient();
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// Schedule the IPDL actor to be destroyed on the forwarder's thread.
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mForwarder->Destroy(mCompositableChild);
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mCompositableChild = nullptr;
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}
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uint64_t
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CompositableClient::GetAsyncID() const
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{
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if (mCompositableChild) {
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return mCompositableChild->GetAsyncID();
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}
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return 0; // zero is always an invalid async ID
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}
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already_AddRefed<TextureClient>
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CompositableClient::CreateBufferTextureClient(gfx::SurfaceFormat aFormat,
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gfx::IntSize aSize,
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gfx::BackendType aMoz2DBackend,
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TextureFlags aTextureFlags)
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{
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return TextureClient::CreateForRawBufferAccess(GetForwarder(),
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aFormat, aSize, aMoz2DBackend,
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aTextureFlags | mTextureFlags);
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}
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already_AddRefed<TextureClient>
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CompositableClient::CreateTextureClientForDrawing(gfx::SurfaceFormat aFormat,
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gfx::IntSize aSize,
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BackendSelector aSelector,
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TextureFlags aTextureFlags,
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TextureAllocationFlags aAllocFlags)
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{
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return TextureClient::CreateForDrawing(GetForwarder(),
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aFormat, aSize, aSelector,
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aTextureFlags | mTextureFlags,
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aAllocFlags);
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}
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already_AddRefed<TextureClient>
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CompositableClient::CreateTextureClientFromSurface(gfx::SourceSurface* aSurface,
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BackendSelector aSelector,
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TextureFlags aTextureFlags,
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TextureAllocationFlags aAllocFlags)
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{
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return TextureClient::CreateFromSurface(GetForwarder(),
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aSurface,
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aSelector,
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aTextureFlags | mTextureFlags,
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aAllocFlags);
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}
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bool
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CompositableClient::AddTextureClient(TextureClient* aClient)
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{
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if(!aClient) {
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return false;
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}
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aClient->SetAddedToCompositableClient();
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return aClient->InitIPDLActor(mForwarder);
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}
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void
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CompositableClient::ClearCachedResources()
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{
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if (mTextureClientRecycler) {
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mTextureClientRecycler->ShrinkToMinimumSize();
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}
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}
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void
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CompositableClient::HandleMemoryPressure()
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{
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if (mTextureClientRecycler) {
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mTextureClientRecycler->ShrinkToMinimumSize();
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}
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}
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void
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CompositableClient::RemoveTexture(TextureClient* aTexture)
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{
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mForwarder->RemoveTextureFromCompositable(this, aTexture);
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}
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TextureClientRecycleAllocator*
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CompositableClient::GetTextureClientRecycler()
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{
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if (mTextureClientRecycler) {
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return mTextureClientRecycler;
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}
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if (!mForwarder) {
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return nullptr;
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}
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if(!mForwarder->GetTextureForwarder()->UsesImageBridge()) {
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MOZ_ASSERT(NS_IsMainThread());
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mTextureClientRecycler = new layers::TextureClientRecycleAllocator(mForwarder);
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return mTextureClientRecycler;
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}
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// Handle a case that mForwarder is ImageBridge
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if (InImageBridgeChildThread()) {
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mTextureClientRecycler = new layers::TextureClientRecycleAllocator(mForwarder);
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return mTextureClientRecycler;
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}
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ReentrantMonitor barrier("CompositableClient::GetTextureClientRecycler");
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ReentrantMonitorAutoEnter mainThreadAutoMon(barrier);
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bool done = false;
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RefPtr<Runnable> runnable =
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NS_NewRunnableFunction([&]() {
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if (!mTextureClientRecycler) {
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mTextureClientRecycler = new layers::TextureClientRecycleAllocator(mForwarder);
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}
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ReentrantMonitorAutoEnter childThreadAutoMon(barrier);
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done = true;
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barrier.NotifyAll();
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});
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ImageBridgeChild::GetSingleton()->GetMessageLoop()->PostTask(runnable.forget());
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// should stop the thread until done.
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while (!done) {
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barrier.Wait();
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}
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return mTextureClientRecycler;
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}
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void
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CompositableClient::DumpTextureClient(std::stringstream& aStream,
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TextureClient* aTexture,
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TextureDumpMode aCompress)
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{
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if (!aTexture) {
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return;
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}
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RefPtr<gfx::DataSourceSurface> dSurf = aTexture->GetAsSurface();
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if (!dSurf) {
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return;
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}
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if (aCompress == TextureDumpMode::Compress) {
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aStream << gfxUtils::GetAsLZ4Base64Str(dSurf).get();
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} else {
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aStream << gfxUtils::GetAsDataURI(dSurf).get();
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}
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}
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AutoRemoveTexture::~AutoRemoveTexture()
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{
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if (mCompositable && mTexture && mCompositable->IsConnected()) {
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mCompositable->RemoveTexture(mTexture);
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}
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}
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} // namespace layers
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} // namespace mozilla
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