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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/CompositableChild.h"
#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/mozalloc.h" // for operator delete, etc
#include "mozilla/layers/PCompositableChild.h"
#include "mozilla/layers/TextureClientRecycleAllocator.h"
#ifdef XP_WIN
#include "gfxWindowsPlatform.h" // for gfxWindowsPlatform
#include "mozilla/layers/TextureD3D11.h"
#include "mozilla/layers/TextureD3D9.h"
#endif
#include "gfxUtils.h"
#include "IPDLActor.h"
namespace mozilla {
namespace layers {
using namespace mozilla::gfx;
void
CompositableClient::InitIPDLActor(PCompositableChild* aActor, uint64_t aAsyncID)
{
MOZ_ASSERT(aActor);
mForwarder->AssertInForwarderThread();
mCompositableChild = static_cast<CompositableChild*>(aActor);
mCompositableChild->Init(this, aAsyncID);
}
/* static */ RefPtr<CompositableClient>
CompositableClient::FromIPDLActor(PCompositableChild* aActor)
{
MOZ_ASSERT(aActor);
RefPtr<CompositableClient> client = static_cast<CompositableChild*>(aActor)->GetCompositableClient();
if (!client) {
return nullptr;
}
client->mForwarder->AssertInForwarderThread();
return client;
}
CompositableClient::CompositableClient(CompositableForwarder* aForwarder,
TextureFlags aTextureFlags)
: mForwarder(aForwarder)
, mTextureFlags(aTextureFlags)
{
MOZ_COUNT_CTOR(CompositableClient);
}
CompositableClient::~CompositableClient()
{
MOZ_COUNT_DTOR(CompositableClient);
Destroy();
}
LayersBackend
CompositableClient::GetCompositorBackendType() const
{
return mForwarder->GetCompositorBackendType();
}
PCompositableChild*
CompositableClient::GetIPDLActor() const
{
return mCompositableChild;
}
bool
CompositableClient::Connect(ImageContainer* aImageContainer)
{
MOZ_ASSERT(!mCompositableChild);
if (!GetForwarder() || GetIPDLActor()) {
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 mCompositableChild && mCompositableChild->IsConnected();
}
void
CompositableClient::Destroy()
{
if (!mCompositableChild) {
return;
}
if (mTextureClientRecycler) {
mTextureClientRecycler->Destroy();
}
// Take away our IPDL's actor reference back to us.
mCompositableChild->RevokeCompositableClient();
// Schedule the IPDL actor to be destroyed on the forwarder's thread.
mForwarder->Destroy(mCompositableChild);
mCompositableChild = nullptr;
}
uint64_t
CompositableClient::GetAsyncID() const
{
if (mCompositableChild) {
return mCompositableChild->GetAsyncID();
}
return 0; // zero is always an invalid async ID
}
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);
}
already_AddRefed<TextureClient>
CompositableClient::CreateTextureClientFromSurface(gfx::SourceSurface* aSurface,
BackendSelector aSelector,
TextureFlags aTextureFlags,
TextureAllocationFlags aAllocFlags)
{
return TextureClient::CreateFromSurface(GetForwarder(),
aSurface,
aSelector,
aTextureFlags | mTextureFlags,
aAllocFlags);
}
bool
CompositableClient::AddTextureClient(TextureClient* aClient)
{
if(!aClient) {
return false;
}
aClient->SetAddedToCompositableClient();
return aClient->InitIPDLActor(mForwarder);
}
void
CompositableClient::ClearCachedResources()
{
if (mTextureClientRecycler) {
mTextureClientRecycler->ShrinkToMinimumSize();
}
}
void
CompositableClient::HandleMemoryPressure()
{
if (mTextureClientRecycler) {
mTextureClientRecycler->ShrinkToMinimumSize();
}
}
void
CompositableClient::RemoveTexture(TextureClient* aTexture)
{
mForwarder->RemoveTextureFromCompositable(this, aTexture);
}
TextureClientRecycleAllocator*
CompositableClient::GetTextureClientRecycler()
{
if (mTextureClientRecycler) {
return mTextureClientRecycler;
}
if (!mForwarder) {
return nullptr;
}
if(!mForwarder->GetTextureForwarder()->UsesImageBridge()) {
MOZ_ASSERT(NS_IsMainThread());
mTextureClientRecycler = new layers::TextureClientRecycleAllocator(mForwarder);
return mTextureClientRecycler;
}
// Handle a case that mForwarder is ImageBridge
if (InImageBridgeChildThread()) {
mTextureClientRecycler = new layers::TextureClientRecycleAllocator(mForwarder);
return mTextureClientRecycler;
}
ReentrantMonitor barrier("CompositableClient::GetTextureClientRecycler");
ReentrantMonitorAutoEnter mainThreadAutoMon(barrier);
bool done = false;
RefPtr<Runnable> runnable =
NS_NewRunnableFunction([&]() {
if (!mTextureClientRecycler) {
mTextureClientRecycler = new layers::TextureClientRecycleAllocator(mForwarder);
}
ReentrantMonitorAutoEnter childThreadAutoMon(barrier);
done = true;
barrier.NotifyAll();
});
ImageBridgeChild::GetSingleton()->GetMessageLoop()->PostTask(runnable.forget());
// should stop the thread until done.
while (!done) {
barrier.Wait();
}
return mTextureClientRecycler;
}
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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