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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/layers/CompositableClient.h"
#include <stdint.h> // for uint64_t, uint32_t
#include "gfxPlatform.h" // for gfxPlatform
#include "mozilla/layers/CompositableForwarder.h"
#include "mozilla/layers/ImageBridgeChild.h"
#include "mozilla/layers/TextureClient.h" // for TextureClient, etc
#include "mozilla/layers/TextureClientOGL.h"
#include "mozilla/layers/TextureClientRecycleAllocator.h"
#include "mozilla/mozalloc.h" // for operator delete, etc
#ifdef XP_WIN
# include "gfxWindowsPlatform.h" // for gfxWindowsPlatform
# include "mozilla/layers/TextureD3D11.h"
#endif
#include "IPDLActor.h"
#include "gfxUtils.h"
namespace mozilla {
namespace layers {
using namespace mozilla::gfx;
void CompositableClient::InitIPDL(const CompositableHandle& aHandle) {
MOZ_ASSERT(aHandle);
mForwarder->AssertInForwarderThread();
mHandle = aHandle;
mIsAsync |= !NS_IsMainThread();
// By simply taking the lock on mTextureClientRecycler we force memory barrier
// on mHandle and mIsAsync which makes them behave as Atomic as they are only
// ever set in this method.
auto l = mTextureClientRecycler.Lock();
}
CompositableClient::CompositableClient(CompositableForwarder* aForwarder,
TextureFlags aTextureFlags)
: mForwarder(aForwarder),
mTextureFlags(aTextureFlags),
mTextureClientRecycler("CompositableClient::mTextureClientRecycler"),
mIsAsync(false) {}
CompositableClient::~CompositableClient() { Destroy(); }
LayersBackend CompositableClient::GetCompositorBackendType() const {
return mForwarder->GetCompositorBackendType();
}
bool CompositableClient::Connect(ImageContainer* aImageContainer) {
MOZ_ASSERT(!mHandle);
if (!GetForwarder() || mHandle) {
return false;
}
GetForwarder()->AssertInForwarderThread();
GetForwarder()->Connect(this, aImageContainer);
return true;
}
bool CompositableClient::IsConnected() const {
// CanSend() is only reliable in the same thread as the IPDL channel.
mForwarder->AssertInForwarderThread();
return !!mHandle;
}
void CompositableClient::Destroy() {
auto l = mTextureClientRecycler.Lock();
if (*l) {
(*l)->Destroy();
}
if (mHandle) {
mForwarder->ReleaseCompositable(mHandle);
mHandle = CompositableHandle();
}
}
CompositableHandle CompositableClient::GetAsyncHandle() const {
if (mIsAsync) {
return mHandle;
}
return CompositableHandle();
}
already_AddRefed<TextureClient> CompositableClient::CreateBufferTextureClient(
gfx::SurfaceFormat aFormat, gfx::IntSize aSize,
gfx::BackendType aMoz2DBackend, TextureFlags aTextureFlags) {
return TextureClient::CreateForRawBufferAccess(GetForwarder(), aFormat, aSize,
aMoz2DBackend,
aTextureFlags | mTextureFlags);
}
already_AddRefed<TextureClient>
CompositableClient::CreateTextureClientForDrawing(
gfx::SurfaceFormat aFormat, gfx::IntSize aSize, BackendSelector aSelector,
TextureFlags aTextureFlags, TextureAllocationFlags aAllocFlags) {
return TextureClient::CreateForDrawing(
GetForwarder(), aFormat, aSize, aSelector, aTextureFlags | mTextureFlags,
aAllocFlags);
}
bool CompositableClient::AddTextureClient(TextureClient* aClient) {
if (!aClient) {
return false;
}
aClient->SetAddedToCompositableClient();
return aClient->InitIPDLActor(mForwarder);
}
void CompositableClient::ClearCachedResources() {
auto l = mTextureClientRecycler.Lock();
if (*l) {
(*l)->ShrinkToMinimumSize();
}
}
void CompositableClient::HandleMemoryPressure() {
auto l = mTextureClientRecycler.Lock();
if (*l) {
(*l)->ShrinkToMinimumSize();
}
}
void CompositableClient::RemoveTexture(TextureClient* aTexture) {
mForwarder->RemoveTextureFromCompositable(this, aTexture);
}
TextureClientRecycleAllocator* CompositableClient::GetTextureClientRecycler() {
auto l = mTextureClientRecycler.Lock();
if (*l) {
return *l;
}
if (!mForwarder || !mForwarder->GetTextureForwarder()) {
return nullptr;
}
*l = new layers::TextureClientRecycleAllocator(mForwarder);
return *l;
}
void CompositableClient::DumpTextureClient(std::stringstream& aStream,
TextureClient* aTexture,
TextureDumpMode aCompress) {
if (!aTexture) {
return;
}
RefPtr<gfx::DataSourceSurface> dSurf = aTexture->GetAsSurface();
if (!dSurf) {
return;
}
if (aCompress == TextureDumpMode::Compress) {
aStream << gfxUtils::GetAsLZ4Base64Str(dSurf).get();
} else {
aStream << gfxUtils::GetAsDataURI(dSurf).get();
}
}
AutoRemoveTexture::~AutoRemoveTexture() {
if (mCompositable && mTexture && mCompositable->IsConnected()) {
mCompositable->RemoveTexture(mTexture);
}
}
} // namespace layers
} // namespace mozilla
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