1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/layers/client/CompositableClient.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,182 @@
1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "mozilla/layers/CompositableClient.h"
1.10 +#include <stdint.h> // for uint64_t, uint32_t
1.11 +#include "gfxPlatform.h" // for gfxPlatform
1.12 +#include "mozilla/layers/CompositableForwarder.h"
1.13 +#include "mozilla/layers/TextureClient.h" // for TextureClient, etc
1.14 +#include "mozilla/layers/TextureClientOGL.h"
1.15 +#include "mozilla/mozalloc.h" // for operator delete, etc
1.16 +#ifdef XP_WIN
1.17 +#include "gfxWindowsPlatform.h" // for gfxWindowsPlatform
1.18 +#include "mozilla/layers/TextureD3D11.h"
1.19 +#include "mozilla/layers/TextureD3D9.h"
1.20 +#endif
1.21 +
1.22 +using namespace mozilla::gfx;
1.23 +
1.24 +namespace mozilla {
1.25 +namespace layers {
1.26 +
1.27 +/**
1.28 + * IPDL actor used by CompositableClient to match with its corresponding
1.29 + * CompositableHost on the compositor side.
1.30 + *
1.31 + * CompositableChild is owned by a CompositableClient.
1.32 + */
1.33 +class CompositableChild : public PCompositableChild
1.34 +{
1.35 +public:
1.36 + CompositableChild()
1.37 + : mCompositableClient(nullptr), mAsyncID(0)
1.38 + {
1.39 + MOZ_COUNT_CTOR(CompositableChild);
1.40 + }
1.41 +
1.42 + ~CompositableChild()
1.43 + {
1.44 + MOZ_COUNT_DTOR(CompositableChild);
1.45 + }
1.46 +
1.47 + virtual void ActorDestroy(ActorDestroyReason) MOZ_OVERRIDE {
1.48 + if (mCompositableClient) {
1.49 + mCompositableClient->mCompositableChild = nullptr;
1.50 + }
1.51 + }
1.52 +
1.53 + CompositableClient* mCompositableClient;
1.54 +
1.55 + uint64_t mAsyncID;
1.56 +};
1.57 +
1.58 +PCompositableChild*
1.59 +CompositableClient::CreateIPDLActor()
1.60 +{
1.61 + return new CompositableChild();
1.62 +}
1.63 +
1.64 +bool
1.65 +CompositableClient::DestroyIPDLActor(PCompositableChild* actor)
1.66 +{
1.67 + delete actor;
1.68 + return true;
1.69 +}
1.70 +
1.71 +void
1.72 +CompositableClient::InitIPDLActor(PCompositableChild* aActor, uint64_t aAsyncID)
1.73 +{
1.74 + MOZ_ASSERT(aActor);
1.75 + CompositableChild* child = static_cast<CompositableChild*>(aActor);
1.76 + mCompositableChild = child;
1.77 + child->mCompositableClient = this;
1.78 + child->mAsyncID = aAsyncID;
1.79 +}
1.80 +
1.81 +CompositableClient*
1.82 +CompositableClient::FromIPDLActor(PCompositableChild* aActor)
1.83 +{
1.84 + MOZ_ASSERT(aActor);
1.85 + return static_cast<CompositableChild*>(aActor)->mCompositableClient;
1.86 +}
1.87 +
1.88 +CompositableClient::CompositableClient(CompositableForwarder* aForwarder,
1.89 + TextureFlags aTextureFlags)
1.90 +: mCompositableChild(nullptr)
1.91 +, mForwarder(aForwarder)
1.92 +, mTextureFlags(aTextureFlags)
1.93 +{
1.94 + MOZ_COUNT_CTOR(CompositableClient);
1.95 +}
1.96 +
1.97 +CompositableClient::~CompositableClient()
1.98 +{
1.99 + MOZ_COUNT_DTOR(CompositableClient);
1.100 + Destroy();
1.101 +}
1.102 +
1.103 +LayersBackend
1.104 +CompositableClient::GetCompositorBackendType() const
1.105 +{
1.106 + return mForwarder->GetCompositorBackendType();
1.107 +}
1.108 +
1.109 +void
1.110 +CompositableClient::SetIPDLActor(CompositableChild* aChild)
1.111 +{
1.112 + mCompositableChild = aChild;
1.113 +}
1.114 +
1.115 +PCompositableChild*
1.116 +CompositableClient::GetIPDLActor() const
1.117 +{
1.118 + return mCompositableChild;
1.119 +}
1.120 +
1.121 +bool
1.122 +CompositableClient::Connect()
1.123 +{
1.124 + if (!GetForwarder() || GetIPDLActor()) {
1.125 + return false;
1.126 + }
1.127 + GetForwarder()->Connect(this);
1.128 + return true;
1.129 +}
1.130 +
1.131 +void
1.132 +CompositableClient::Destroy()
1.133 +{
1.134 + if (!mCompositableChild) {
1.135 + return;
1.136 + }
1.137 + mCompositableChild->mCompositableClient = nullptr;
1.138 + PCompositableChild::Send__delete__(mCompositableChild);
1.139 + mCompositableChild = nullptr;
1.140 +}
1.141 +
1.142 +uint64_t
1.143 +CompositableClient::GetAsyncID() const
1.144 +{
1.145 + if (mCompositableChild) {
1.146 + return mCompositableChild->mAsyncID;
1.147 + }
1.148 + return 0; // zero is always an invalid async ID
1.149 +}
1.150 +
1.151 +TemporaryRef<BufferTextureClient>
1.152 +CompositableClient::CreateBufferTextureClient(SurfaceFormat aFormat,
1.153 + TextureFlags aTextureFlags,
1.154 + gfx::BackendType aMoz2DBackend)
1.155 +{
1.156 + return TextureClient::CreateBufferTextureClient(GetForwarder(), aFormat,
1.157 + aTextureFlags | mTextureFlags,
1.158 + aMoz2DBackend);
1.159 +}
1.160 +
1.161 +TemporaryRef<TextureClient>
1.162 +CompositableClient::CreateTextureClientForDrawing(SurfaceFormat aFormat,
1.163 + TextureFlags aTextureFlags,
1.164 + gfx::BackendType aMoz2DBackend,
1.165 + const IntSize& aSizeHint)
1.166 +{
1.167 + return TextureClient::CreateTextureClientForDrawing(GetForwarder(), aFormat,
1.168 + aTextureFlags | mTextureFlags,
1.169 + aMoz2DBackend,
1.170 + aSizeHint);
1.171 +}
1.172 +
1.173 +bool
1.174 +CompositableClient::AddTextureClient(TextureClient* aClient)
1.175 +{
1.176 + return aClient->InitIPDLActor(mForwarder);
1.177 +}
1.178 +
1.179 +void
1.180 +CompositableClient::OnTransaction()
1.181 +{
1.182 +}
1.183 +
1.184 +} // namespace layers
1.185 +} // namespace mozilla
