gfx/layers/client/SimpleTiledContentClient.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/layers/client/SimpleTiledContentClient.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,189 @@
     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 +#ifndef MOZILLA_GFX_SIMPLETILEDCONTENTCLIENT_H
    1.10 +#define MOZILLA_GFX_SIMPLETILEDCONTENTCLIENT_H
    1.11 +
    1.12 +// We include this header here so that we don't need to
    1.13 +// duplicate BasicTiledLayerPaintData
    1.14 +#include "TiledContentClient.h"
    1.15 +
    1.16 +#include "SharedBuffer.h"
    1.17 +
    1.18 +namespace mozilla {
    1.19 +namespace layers {
    1.20 +
    1.21 +class ClientTiledThebesLayer;
    1.22 +
    1.23 +class SimpleTiledLayerTile;
    1.24 +class SimpleTiledLayerBuffer;
    1.25 +class SimpleClientTiledThebesLayer;
    1.26 +class SimpleTiledLayerBuffer;
    1.27 +
    1.28 +#define GFX_SIMP_TILEDLAYER_DEBUG_OVERLAY
    1.29 +
    1.30 +struct SimpleTiledLayerTile
    1.31 +{
    1.32 +  RefPtr<TextureClient> mTileBuffer;
    1.33 +  RefPtr<ClientLayerManager> mManager;
    1.34 +  nsRefPtr<SharedBuffer> mCachedBuffer;
    1.35 +  TimeStamp mLastUpdate;
    1.36 +
    1.37 +  SimpleTiledLayerTile() { }
    1.38 +
    1.39 +  SimpleTiledLayerTile(ClientLayerManager *aManager, TextureClient *aBuffer)
    1.40 +    : mTileBuffer(aBuffer)
    1.41 +    , mManager(aManager)
    1.42 +  { }
    1.43 +
    1.44 +  bool operator== (const SimpleTiledLayerTile& o) const
    1.45 +  {
    1.46 +    return mTileBuffer == o.mTileBuffer;
    1.47 +  }
    1.48 +
    1.49 +  bool operator!= (const SimpleTiledLayerTile& o) const
    1.50 +  {
    1.51 +    return mTileBuffer != o.mTileBuffer;
    1.52 +  }
    1.53 +
    1.54 +  void SetLayerManager(ClientLayerManager *aManager)
    1.55 +  {
    1.56 +    mManager = aManager;
    1.57 +  }
    1.58 +
    1.59 +  bool IsPlaceholderTile()
    1.60 +  {
    1.61 +    return mTileBuffer == nullptr;
    1.62 +  }
    1.63 +
    1.64 +  TileDescriptor GetTileDescriptor()
    1.65 +  {
    1.66 +    if (mTileBuffer)
    1.67 +      return TexturedTileDescriptor(nullptr, mTileBuffer->GetIPDLActor(), 0);
    1.68 +
    1.69 +    NS_NOTREACHED("Unhandled SimpleTiledLayerTile type");
    1.70 +    return PlaceholderTileDescriptor();
    1.71 +  }
    1.72 +
    1.73 +  void Release()
    1.74 +  {
    1.75 +    mTileBuffer = nullptr;
    1.76 +    mCachedBuffer = nullptr;
    1.77 +  }
    1.78 +};
    1.79 +
    1.80 +class SimpleTiledLayerBuffer
    1.81 +  : public TiledLayerBuffer<SimpleTiledLayerBuffer, SimpleTiledLayerTile>
    1.82 +{
    1.83 +  friend class TiledLayerBuffer<SimpleTiledLayerBuffer, SimpleTiledLayerTile>;
    1.84 +
    1.85 +public:
    1.86 +  SimpleTiledLayerBuffer(SimpleClientTiledThebesLayer* aThebesLayer,
    1.87 +                         CompositableClient* aCompositableClient,
    1.88 +                         ClientLayerManager* aManager)
    1.89 +    : mThebesLayer(aThebesLayer)
    1.90 +    , mCompositableClient(aCompositableClient)
    1.91 +    , mManager(aManager)
    1.92 +    , mLastPaintOpaque(false)
    1.93 +  {}
    1.94 +
    1.95 +  SimpleTiledLayerBuffer()
    1.96 +    : mLastPaintOpaque(false)
    1.97 +  {}
    1.98 +
    1.99 +  void PaintThebes(const nsIntRegion& aNewValidRegion,
   1.100 +                   const nsIntRegion& aPaintRegion,
   1.101 +                   LayerManager::DrawThebesLayerCallback aCallback,
   1.102 +                   void* aCallbackData);
   1.103 +
   1.104 +  SurfaceDescriptorTiles GetSurfaceDescriptorTiles();
   1.105 +
   1.106 +  void Release() {
   1.107 +    for (size_t i = 0; i < mRetainedTiles.Length(); i++) {
   1.108 +      mRetainedTiles[i].Release();
   1.109 +    }
   1.110 +  }
   1.111 +
   1.112 +  const CSSToParentLayerScale& GetFrameResolution() const { return mFrameResolution; }
   1.113 +  void SetFrameResolution(const CSSToParentLayerScale& aResolution) { mFrameResolution = aResolution; }
   1.114 +
   1.115 +  bool HasFormatChanged() const;
   1.116 +private:
   1.117 +  SimpleClientTiledThebesLayer* mThebesLayer;
   1.118 +  CompositableClient* mCompositableClient;
   1.119 +  ClientLayerManager* mManager;
   1.120 +  LayerManager::DrawThebesLayerCallback mCallback;
   1.121 +  void* mCallbackData;
   1.122 +  CSSToParentLayerScale mFrameResolution;
   1.123 +  bool mLastPaintOpaque;
   1.124 +
   1.125 +  gfxContentType GetContentType() const;
   1.126 +
   1.127 +  SimpleTiledLayerTile ValidateTile(SimpleTiledLayerTile aTile,
   1.128 +                                    const nsIntPoint& aTileOrigin,
   1.129 +                                    const nsIntRegion& aDirtyRect);
   1.130 +
   1.131 +  SimpleTiledLayerTile GetPlaceholderTile() const { return SimpleTiledLayerTile(); }
   1.132 +
   1.133 +  void ReleaseTile(SimpleTiledLayerTile aTile) { aTile.Release(); }
   1.134 +
   1.135 +  void SwapTiles(SimpleTiledLayerTile& aTileA, SimpleTiledLayerTile& aTileB) { std::swap(aTileA, aTileB); }
   1.136 +};
   1.137 +
   1.138 +class SimpleTiledContentClient : public CompositableClient
   1.139 +{
   1.140 +  friend class SimpleClientTiledThebesLayer;
   1.141 +
   1.142 +public:
   1.143 +  SimpleTiledContentClient(SimpleClientTiledThebesLayer* aThebesLayer,
   1.144 +                           ClientLayerManager* aManager);
   1.145 +
   1.146 +  ~SimpleTiledContentClient();
   1.147 +
   1.148 +  virtual TextureInfo GetTextureInfo() const MOZ_OVERRIDE
   1.149 +  {
   1.150 +    return TextureInfo(BUFFER_SIMPLE_TILED);
   1.151 +  }
   1.152 +
   1.153 +  void UseTiledLayerBuffer();
   1.154 +
   1.155 +private:
   1.156 +  SimpleTiledLayerBuffer mTiledBuffer;
   1.157 +};
   1.158 +
   1.159 +class SimpleClientTiledThebesLayer : public ThebesLayer,
   1.160 +                                     public ClientLayer
   1.161 +{
   1.162 +  typedef ThebesLayer Base;
   1.163 +
   1.164 +public:
   1.165 +  SimpleClientTiledThebesLayer(ClientLayerManager* const aManager);
   1.166 +  ~SimpleClientTiledThebesLayer();
   1.167 +
   1.168 +  // Thebes Layer
   1.169 +  virtual Layer* AsLayer() { return this; }
   1.170 +  virtual void InvalidateRegion(const nsIntRegion& aRegion) {
   1.171 +    mInvalidRegion.Or(mInvalidRegion, aRegion);
   1.172 +    mValidRegion.Sub(mValidRegion, aRegion);
   1.173 +  }
   1.174 +
   1.175 +  // Shadow methods
   1.176 +  virtual void FillSpecificAttributes(SpecificLayerAttributes& aAttrs);
   1.177 +  virtual ShadowableLayer* AsShadowableLayer() { return this; }
   1.178 +
   1.179 +  virtual void Disconnect() { ClientLayer::Disconnect(); }
   1.180 +
   1.181 +  virtual void RenderLayer();
   1.182 +
   1.183 +protected:
   1.184 +  ClientLayerManager* ClientManager() { return static_cast<ClientLayerManager*>(mManager); }
   1.185 +
   1.186 +  RefPtr<SimpleTiledContentClient> mContentClient;
   1.187 +};
   1.188 +
   1.189 +} // mozilla
   1.190 +} // layers
   1.191 +
   1.192 +#endif

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