michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "mozilla/layers/CompositableClient.h"
michael@0: #include <stdint.h>                     // for uint64_t, uint32_t
michael@0: #include "gfxPlatform.h"                // for gfxPlatform
michael@0: #include "mozilla/layers/CompositableForwarder.h"
michael@0: #include "mozilla/layers/TextureClient.h"  // for TextureClient, etc
michael@0: #include "mozilla/layers/TextureClientOGL.h"
michael@0: #include "mozilla/mozalloc.h"           // for operator delete, etc
michael@0: #ifdef XP_WIN
michael@0: #include "gfxWindowsPlatform.h"         // for gfxWindowsPlatform
michael@0: #include "mozilla/layers/TextureD3D11.h"
michael@0: #include "mozilla/layers/TextureD3D9.h"
michael@0: #endif
michael@0: 
michael@0: using namespace mozilla::gfx;
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace layers {
michael@0: 
michael@0: /**
michael@0:  * IPDL actor used by CompositableClient to match with its corresponding
michael@0:  * CompositableHost on the compositor side.
michael@0:  *
michael@0:  * CompositableChild is owned by a CompositableClient.
michael@0:  */
michael@0: class CompositableChild : public PCompositableChild
michael@0: {
michael@0: public:
michael@0:   CompositableChild()
michael@0:   : mCompositableClient(nullptr), mAsyncID(0)
michael@0:   {
michael@0:     MOZ_COUNT_CTOR(CompositableChild);
michael@0:   }
michael@0: 
michael@0:   ~CompositableChild()
michael@0:   {
michael@0:     MOZ_COUNT_DTOR(CompositableChild);
michael@0:   }
michael@0: 
michael@0:   virtual void ActorDestroy(ActorDestroyReason) MOZ_OVERRIDE {
michael@0:     if (mCompositableClient) {
michael@0:       mCompositableClient->mCompositableChild = nullptr;
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   CompositableClient* mCompositableClient;
michael@0: 
michael@0:   uint64_t mAsyncID;
michael@0: };
michael@0: 
michael@0: PCompositableChild*
michael@0: CompositableClient::CreateIPDLActor()
michael@0: {
michael@0:   return new CompositableChild();
michael@0: }
michael@0: 
michael@0: bool
michael@0: CompositableClient::DestroyIPDLActor(PCompositableChild* actor)
michael@0: {
michael@0:   delete actor;
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: void
michael@0: CompositableClient::InitIPDLActor(PCompositableChild* aActor, uint64_t aAsyncID)
michael@0: {
michael@0:   MOZ_ASSERT(aActor);
michael@0:   CompositableChild* child = static_cast<CompositableChild*>(aActor);
michael@0:   mCompositableChild = child;
michael@0:   child->mCompositableClient = this;
michael@0:   child->mAsyncID = aAsyncID;
michael@0: }
michael@0: 
michael@0: CompositableClient*
michael@0: CompositableClient::FromIPDLActor(PCompositableChild* aActor)
michael@0: {
michael@0:   MOZ_ASSERT(aActor);
michael@0:   return static_cast<CompositableChild*>(aActor)->mCompositableClient;
michael@0: }
michael@0: 
michael@0: CompositableClient::CompositableClient(CompositableForwarder* aForwarder,
michael@0:                                        TextureFlags aTextureFlags)
michael@0: : mCompositableChild(nullptr)
michael@0: , mForwarder(aForwarder)
michael@0: , mTextureFlags(aTextureFlags)
michael@0: {
michael@0:   MOZ_COUNT_CTOR(CompositableClient);
michael@0: }
michael@0: 
michael@0: CompositableClient::~CompositableClient()
michael@0: {
michael@0:   MOZ_COUNT_DTOR(CompositableClient);
michael@0:   Destroy();
michael@0: }
michael@0: 
michael@0: LayersBackend
michael@0: CompositableClient::GetCompositorBackendType() const
michael@0: {
michael@0:   return mForwarder->GetCompositorBackendType();
michael@0: }
michael@0: 
michael@0: void
michael@0: CompositableClient::SetIPDLActor(CompositableChild* aChild)
michael@0: {
michael@0:   mCompositableChild = aChild;
michael@0: }
michael@0: 
michael@0: PCompositableChild*
michael@0: CompositableClient::GetIPDLActor() const
michael@0: {
michael@0:   return mCompositableChild;
michael@0: }
michael@0: 
michael@0: bool
michael@0: CompositableClient::Connect()
michael@0: {
michael@0:   if (!GetForwarder() || GetIPDLActor()) {
michael@0:     return false;
michael@0:   }
michael@0:   GetForwarder()->Connect(this);
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: void
michael@0: CompositableClient::Destroy()
michael@0: {
michael@0:   if (!mCompositableChild) {
michael@0:     return;
michael@0:   }
michael@0:   mCompositableChild->mCompositableClient = nullptr;
michael@0:   PCompositableChild::Send__delete__(mCompositableChild);
michael@0:   mCompositableChild = nullptr;
michael@0: }
michael@0: 
michael@0: uint64_t
michael@0: CompositableClient::GetAsyncID() const
michael@0: {
michael@0:   if (mCompositableChild) {
michael@0:     return mCompositableChild->mAsyncID;
michael@0:   }
michael@0:   return 0; // zero is always an invalid async ID
michael@0: }
michael@0: 
michael@0: TemporaryRef<BufferTextureClient>
michael@0: CompositableClient::CreateBufferTextureClient(SurfaceFormat aFormat,
michael@0:                                               TextureFlags aTextureFlags,
michael@0:                                               gfx::BackendType aMoz2DBackend)
michael@0: {
michael@0:   return TextureClient::CreateBufferTextureClient(GetForwarder(), aFormat,
michael@0:                                                   aTextureFlags | mTextureFlags,
michael@0:                                                   aMoz2DBackend);
michael@0: }
michael@0: 
michael@0: TemporaryRef<TextureClient>
michael@0: CompositableClient::CreateTextureClientForDrawing(SurfaceFormat aFormat,
michael@0:                                                   TextureFlags aTextureFlags,
michael@0:                                                   gfx::BackendType aMoz2DBackend,
michael@0:                                                   const IntSize& aSizeHint)
michael@0: {
michael@0:   return TextureClient::CreateTextureClientForDrawing(GetForwarder(), aFormat,
michael@0:                                                       aTextureFlags | mTextureFlags,
michael@0:                                                       aMoz2DBackend,
michael@0:                                                       aSizeHint);
michael@0: }
michael@0: 
michael@0: bool
michael@0: CompositableClient::AddTextureClient(TextureClient* aClient)
michael@0: {
michael@0:   return aClient->InitIPDLActor(mForwarder);
michael@0: }
michael@0: 
michael@0: void
michael@0: CompositableClient::OnTransaction()
michael@0: {
michael@0: }
michael@0: 
michael@0: } // namespace layers
michael@0: } // namespace mozilla