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: #ifndef MOZILLA_GFX_SIMPLETILEDCONTENTCLIENT_H
michael@0: #define MOZILLA_GFX_SIMPLETILEDCONTENTCLIENT_H
michael@0: 
michael@0: // We include this header here so that we don't need to
michael@0: // duplicate BasicTiledLayerPaintData
michael@0: #include "TiledContentClient.h"
michael@0: 
michael@0: #include "SharedBuffer.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace layers {
michael@0: 
michael@0: class ClientTiledThebesLayer;
michael@0: 
michael@0: class SimpleTiledLayerTile;
michael@0: class SimpleTiledLayerBuffer;
michael@0: class SimpleClientTiledThebesLayer;
michael@0: class SimpleTiledLayerBuffer;
michael@0: 
michael@0: #define GFX_SIMP_TILEDLAYER_DEBUG_OVERLAY
michael@0: 
michael@0: struct SimpleTiledLayerTile
michael@0: {
michael@0:   RefPtr<TextureClient> mTileBuffer;
michael@0:   RefPtr<ClientLayerManager> mManager;
michael@0:   nsRefPtr<SharedBuffer> mCachedBuffer;
michael@0:   TimeStamp mLastUpdate;
michael@0: 
michael@0:   SimpleTiledLayerTile() { }
michael@0: 
michael@0:   SimpleTiledLayerTile(ClientLayerManager *aManager, TextureClient *aBuffer)
michael@0:     : mTileBuffer(aBuffer)
michael@0:     , mManager(aManager)
michael@0:   { }
michael@0: 
michael@0:   bool operator== (const SimpleTiledLayerTile& o) const
michael@0:   {
michael@0:     return mTileBuffer == o.mTileBuffer;
michael@0:   }
michael@0: 
michael@0:   bool operator!= (const SimpleTiledLayerTile& o) const
michael@0:   {
michael@0:     return mTileBuffer != o.mTileBuffer;
michael@0:   }
michael@0: 
michael@0:   void SetLayerManager(ClientLayerManager *aManager)
michael@0:   {
michael@0:     mManager = aManager;
michael@0:   }
michael@0: 
michael@0:   bool IsPlaceholderTile()
michael@0:   {
michael@0:     return mTileBuffer == nullptr;
michael@0:   }
michael@0: 
michael@0:   TileDescriptor GetTileDescriptor()
michael@0:   {
michael@0:     if (mTileBuffer)
michael@0:       return TexturedTileDescriptor(nullptr, mTileBuffer->GetIPDLActor(), 0);
michael@0: 
michael@0:     NS_NOTREACHED("Unhandled SimpleTiledLayerTile type");
michael@0:     return PlaceholderTileDescriptor();
michael@0:   }
michael@0: 
michael@0:   void Release()
michael@0:   {
michael@0:     mTileBuffer = nullptr;
michael@0:     mCachedBuffer = nullptr;
michael@0:   }
michael@0: };
michael@0: 
michael@0: class SimpleTiledLayerBuffer
michael@0:   : public TiledLayerBuffer<SimpleTiledLayerBuffer, SimpleTiledLayerTile>
michael@0: {
michael@0:   friend class TiledLayerBuffer<SimpleTiledLayerBuffer, SimpleTiledLayerTile>;
michael@0: 
michael@0: public:
michael@0:   SimpleTiledLayerBuffer(SimpleClientTiledThebesLayer* aThebesLayer,
michael@0:                          CompositableClient* aCompositableClient,
michael@0:                          ClientLayerManager* aManager)
michael@0:     : mThebesLayer(aThebesLayer)
michael@0:     , mCompositableClient(aCompositableClient)
michael@0:     , mManager(aManager)
michael@0:     , mLastPaintOpaque(false)
michael@0:   {}
michael@0: 
michael@0:   SimpleTiledLayerBuffer()
michael@0:     : mLastPaintOpaque(false)
michael@0:   {}
michael@0: 
michael@0:   void PaintThebes(const nsIntRegion& aNewValidRegion,
michael@0:                    const nsIntRegion& aPaintRegion,
michael@0:                    LayerManager::DrawThebesLayerCallback aCallback,
michael@0:                    void* aCallbackData);
michael@0: 
michael@0:   SurfaceDescriptorTiles GetSurfaceDescriptorTiles();
michael@0: 
michael@0:   void Release() {
michael@0:     for (size_t i = 0; i < mRetainedTiles.Length(); i++) {
michael@0:       mRetainedTiles[i].Release();
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   const CSSToParentLayerScale& GetFrameResolution() const { return mFrameResolution; }
michael@0:   void SetFrameResolution(const CSSToParentLayerScale& aResolution) { mFrameResolution = aResolution; }
michael@0: 
michael@0:   bool HasFormatChanged() const;
michael@0: private:
michael@0:   SimpleClientTiledThebesLayer* mThebesLayer;
michael@0:   CompositableClient* mCompositableClient;
michael@0:   ClientLayerManager* mManager;
michael@0:   LayerManager::DrawThebesLayerCallback mCallback;
michael@0:   void* mCallbackData;
michael@0:   CSSToParentLayerScale mFrameResolution;
michael@0:   bool mLastPaintOpaque;
michael@0: 
michael@0:   gfxContentType GetContentType() const;
michael@0: 
michael@0:   SimpleTiledLayerTile ValidateTile(SimpleTiledLayerTile aTile,
michael@0:                                     const nsIntPoint& aTileOrigin,
michael@0:                                     const nsIntRegion& aDirtyRect);
michael@0: 
michael@0:   SimpleTiledLayerTile GetPlaceholderTile() const { return SimpleTiledLayerTile(); }
michael@0: 
michael@0:   void ReleaseTile(SimpleTiledLayerTile aTile) { aTile.Release(); }
michael@0: 
michael@0:   void SwapTiles(SimpleTiledLayerTile& aTileA, SimpleTiledLayerTile& aTileB) { std::swap(aTileA, aTileB); }
michael@0: };
michael@0: 
michael@0: class SimpleTiledContentClient : public CompositableClient
michael@0: {
michael@0:   friend class SimpleClientTiledThebesLayer;
michael@0: 
michael@0: public:
michael@0:   SimpleTiledContentClient(SimpleClientTiledThebesLayer* aThebesLayer,
michael@0:                            ClientLayerManager* aManager);
michael@0: 
michael@0:   ~SimpleTiledContentClient();
michael@0: 
michael@0:   virtual TextureInfo GetTextureInfo() const MOZ_OVERRIDE
michael@0:   {
michael@0:     return TextureInfo(BUFFER_SIMPLE_TILED);
michael@0:   }
michael@0: 
michael@0:   void UseTiledLayerBuffer();
michael@0: 
michael@0: private:
michael@0:   SimpleTiledLayerBuffer mTiledBuffer;
michael@0: };
michael@0: 
michael@0: class SimpleClientTiledThebesLayer : public ThebesLayer,
michael@0:                                      public ClientLayer
michael@0: {
michael@0:   typedef ThebesLayer Base;
michael@0: 
michael@0: public:
michael@0:   SimpleClientTiledThebesLayer(ClientLayerManager* const aManager);
michael@0:   ~SimpleClientTiledThebesLayer();
michael@0: 
michael@0:   // Thebes Layer
michael@0:   virtual Layer* AsLayer() { return this; }
michael@0:   virtual void InvalidateRegion(const nsIntRegion& aRegion) {
michael@0:     mInvalidRegion.Or(mInvalidRegion, aRegion);
michael@0:     mValidRegion.Sub(mValidRegion, aRegion);
michael@0:   }
michael@0: 
michael@0:   // Shadow methods
michael@0:   virtual void FillSpecificAttributes(SpecificLayerAttributes& aAttrs);
michael@0:   virtual ShadowableLayer* AsShadowableLayer() { return this; }
michael@0: 
michael@0:   virtual void Disconnect() { ClientLayer::Disconnect(); }
michael@0: 
michael@0:   virtual void RenderLayer();
michael@0: 
michael@0: protected:
michael@0:   ClientLayerManager* ClientManager() { return static_cast<ClientLayerManager*>(mManager); }
michael@0: 
michael@0:   RefPtr<SimpleTiledContentClient> mContentClient;
michael@0: };
michael@0: 
michael@0: } // mozilla
michael@0: } // layers
michael@0: 
michael@0: #endif