gecko-dev/gfx/layers/d3d9/CanvasLayerD3D9.h

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1.6 KiB
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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef GFX_CANVASLAYERD3D9_H
#define GFX_CANVASLAYERD3D9_H
#include "LayerManagerD3D9.h"
#include "GLContextTypes.h"
class gfxASurface;
namespace mozilla {
namespace layers {
class CanvasLayerD3D9 :
public CanvasLayer,
public LayerD3D9
{
public:
CanvasLayerD3D9(LayerManagerD3D9 *aManager);
~CanvasLayerD3D9();
// CanvasLayer implementation
virtual void Initialize(const Data& aData);
// LayerD3D9 implementation
virtual Layer* GetLayer();
virtual void RenderLayer();
virtual void CleanResources();
virtual void LayerManagerDestroyed();
void CreateTexture();
protected:
typedef mozilla::gl::GLContext GLContext;
void UpdateSurface();
nsRefPtr<gfxASurface> mSurface;
nsRefPtr<GLContext> mGLContext;
nsRefPtr<IDirect3DTexture9> mTexture;
RefPtr<gfx::DrawTarget> mDrawTarget;
bool mDataIsPremultiplied;
bool mNeedsYFlip;
bool mHasAlpha;
nsAutoArrayPtr<uint8_t> mCachedTempBlob;
uint32_t mCachedTempBlob_Size;
uint8_t* GetTempBlob(const uint32_t aSize)
{
if (!mCachedTempBlob || aSize != mCachedTempBlob_Size) {
mCachedTempBlob = new uint8_t[aSize];
mCachedTempBlob_Size = aSize;
}
return mCachedTempBlob;
}
void DiscardTempBlob()
{
mCachedTempBlob = nullptr;
}
};
} /* layers */
} /* mozilla */
#endif /* GFX_CANVASLAYERD3D9_H */