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 GFX_CANVASLAYERD3D9_H
michael@0: #define GFX_CANVASLAYERD3D9_H
michael@0: 
michael@0: #include "LayerManagerD3D9.h"
michael@0: #include "GLContextTypes.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace layers {
michael@0: 
michael@0: 
michael@0: class CanvasLayerD3D9 :
michael@0:   public CanvasLayer,
michael@0:   public LayerD3D9
michael@0: {
michael@0: public:
michael@0:   CanvasLayerD3D9(LayerManagerD3D9 *aManager);
michael@0:   ~CanvasLayerD3D9();
michael@0: 
michael@0:   // CanvasLayer implementation
michael@0:   virtual void Initialize(const Data& aData);
michael@0: 
michael@0:   // LayerD3D9 implementation
michael@0:   virtual Layer* GetLayer();
michael@0:   virtual void RenderLayer();
michael@0:   virtual void CleanResources();
michael@0:   virtual void LayerManagerDestroyed();
michael@0: 
michael@0:   void CreateTexture();
michael@0: 
michael@0: protected:
michael@0:   typedef mozilla::gl::GLContext GLContext;
michael@0: 
michael@0:   void UpdateSurface();
michael@0: 
michael@0:   nsRefPtr<GLContext> mGLContext;
michael@0:   nsRefPtr<IDirect3DTexture9> mTexture;
michael@0:   RefPtr<gfx::DrawTarget> mDrawTarget;
michael@0: 
michael@0:   bool mDataIsPremultiplied;
michael@0:   bool mNeedsYFlip;
michael@0:   bool mHasAlpha;
michael@0: 
michael@0:   nsAutoArrayPtr<uint8_t> mCachedTempBlob;
michael@0:   uint32_t mCachedTempBlob_Size;
michael@0: 
michael@0:   uint8_t* GetTempBlob(const uint32_t aSize)
michael@0:   {
michael@0:       if (!mCachedTempBlob || aSize != mCachedTempBlob_Size) {
michael@0:           mCachedTempBlob = new uint8_t[aSize];
michael@0:           mCachedTempBlob_Size = aSize;
michael@0:       }
michael@0: 
michael@0:       return mCachedTempBlob;
michael@0:   }
michael@0: 
michael@0:   void DiscardTempBlob()
michael@0:   {
michael@0:       mCachedTempBlob = nullptr;
michael@0:   }
michael@0: };
michael@0: 
michael@0: } /* layers */
michael@0: } /* mozilla */
michael@0: #endif /* GFX_CANVASLAYERD3D9_H */