gfx/layers/composite/CompositableHost.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "CompositableHost.h"
   8 #include <map>        // for _Rb_tree_iterator, map, etc
   9 #include <utility>    // for pair
  10 #include "Effects.h"  // for EffectMask, Effect, etc
  11 #include "gfxUtils.h"
  12 #include "mozilla/gfx/gfxVars.h"
  13 #include "mozilla/layers/LayersSurfaces.h"  // for SurfaceDescriptor
  14 #include "mozilla/layers/TextureHost.h"     // for TextureHost, etc
  15 #include "mozilla/layers/WebRenderImageHost.h"
  16 #include "mozilla/RefPtr.h"   // for nsRefPtr
  17 #include "nsDebug.h"          // for NS_WARNING
  18 #include "nsISupportsImpl.h"  // for MOZ_COUNT_CTOR, etc
  19 #include "gfxPlatform.h"      // for gfxPlatform
  20 #include "IPDLActor.h"
  21
  22 namespace mozilla {
  23
  24 using namespace gfx;
  25
  26 namespace layers {
  27
  28 class Compositor;
  29
  30 CompositableHost::CompositableHost(const TextureInfo& aTextureInfo)
  31     : mTextureInfo(aTextureInfo), mCompositorBridgeID(0) {
  32   MOZ_COUNT_CTOR(CompositableHost);
  33 }
  34
  35 CompositableHost::~CompositableHost() { MOZ_COUNT_DTOR(CompositableHost); }
  36
  37 void CompositableHost::UseTextureHost(const nsTArray<TimedTexture>& aTextures) {
  38 }
  39
  40 void CompositableHost::RemoveTextureHost(TextureHost* aTexture) {}
  41
  42 /* static */
  43 already_AddRefed<CompositableHost> CompositableHost::Create(
  44     const TextureInfo& aTextureInfo) {
  45   RefPtr<CompositableHost> result;
  46   switch (aTextureInfo.mCompositableType) {
  47     case CompositableType::IMAGE:
  48       result = new WebRenderImageHost(aTextureInfo);
  49       break;
  50     default:
  51       NS_ERROR("Unknown CompositableType");
  52   }
  53   return result.forget();
  54 }
  55
  56 void CompositableHost::DumpTextureHost(std::stringstream& aStream,
  57                                        TextureHost* aTexture) {
  58   if (!aTexture) {
  59     return;
  60   }
  61   RefPtr<gfx::DataSourceSurface> dSurf = aTexture->GetAsSurface();
  62   if (!dSurf) {
  63     return;
  64   }
  65   aStream << gfxUtils::GetAsDataURI(dSurf).get();
  66 }
  67
  68 }  // namespace layers
  69 }  // namespace mozilla