michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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 GFX_THEBESLAYERD3D9_H
michael@0: #define GFX_THEBESLAYERD3D9_H
michael@0: 
michael@0: #include "Layers.h"
michael@0: #include "LayerManagerD3D9.h"
michael@0: #include "ReadbackProcessor.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace layers {
michael@0: 
michael@0: class ReadbackProcessor;
michael@0: 
michael@0: class ThebesLayerD3D9 : public ThebesLayer,
michael@0:                         public LayerD3D9
michael@0: {
michael@0: public:
michael@0:   ThebesLayerD3D9(LayerManagerD3D9 *aManager);
michael@0:   virtual ~ThebesLayerD3D9();
michael@0: 
michael@0:   /* ThebesLayer implementation */
michael@0:   void InvalidateRegion(const nsIntRegion& aRegion);
michael@0: 
michael@0:   /* LayerD3D9 implementation */
michael@0:   Layer* GetLayer();
michael@0:   virtual bool IsEmpty();
michael@0:   virtual void RenderLayer() { RenderThebesLayer(nullptr); }
michael@0:   virtual void CleanResources();
michael@0:   virtual void LayerManagerDestroyed();
michael@0: 
michael@0:   void RenderThebesLayer(ReadbackProcessor* aReadback);
michael@0: 
michael@0: private:
michael@0:   /*
michael@0:    * D3D9 texture
michael@0:    */
michael@0:   nsRefPtr<IDirect3DTexture9> mTexture;
michael@0:   /*
michael@0:    * D3D9 texture for render-on-white when doing component alpha
michael@0:    */
michael@0:   nsRefPtr<IDirect3DTexture9> mTextureOnWhite;
michael@0:   /**
michael@0:    * Visible region bounds used when we drew the contents of the textures
michael@0:    */
michael@0:   nsIntRect mTextureRect;
michael@0: 
michael@0:   bool HaveTextures(SurfaceMode aMode)
michael@0:   {
michael@0:     return mTexture && (aMode != SurfaceMode::SURFACE_COMPONENT_ALPHA || mTextureOnWhite);
michael@0:   }
michael@0: 
michael@0:   /* Checks if our surface has the right content type */
michael@0:   void VerifyContentType(SurfaceMode aMode);
michael@0: 
michael@0:   /* Ensures we have the necessary texture object(s) and that they correspond
michael@0:    * to mVisibleRegion.GetBounds(). This creates new texture objects as
michael@0:    * necessary and also copies existing valid texture data if necessary.
michael@0:    */
michael@0:   void UpdateTextures(SurfaceMode aMode);
michael@0: 
michael@0:   /* Render the rectangles of mVisibleRegion with D3D9 using the currently
michael@0:    * bound textures, target, shaders, etc.
michael@0:    */
michael@0:   void RenderRegion(const nsIntRegion& aRegion);
michael@0: 
michael@0:   /* Have a region of our layer drawn */
michael@0:   void DrawRegion(nsIntRegion &aRegion, SurfaceMode aMode,
michael@0:                   const nsTArray<ReadbackProcessor::Update>& aReadbackUpdates);
michael@0: 
michael@0:   /* Create a new texture */
michael@0:   void CreateNewTextures(const gfx::IntSize &aSize, SurfaceMode aMode);
michael@0: 
michael@0:   void CopyRegion(IDirect3DTexture9* aSrc, const nsIntPoint &aSrcOffset,
michael@0:                   IDirect3DTexture9* aDest, const nsIntPoint &aDestOffset,
michael@0:                   const nsIntRegion &aCopyRegion, nsIntRegion* aValidRegion);
michael@0: };
michael@0: 
michael@0: } /* layers */
michael@0: } /* mozilla */
michael@0: #endif /* GFX_THEBESLAYERD3D9_H */