gecko/gfx/layers/d3d10/CanvasLayerD3D10.h

82 lines
2.0 KiB
C++

/* -*- 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_CANVASLAYERD3D10_H
#define GFX_CANVASLAYERD3D10_H
#include "LayerManagerD3D10.h"
#include "GLContext.h"
#include "gfxASurface.h"
#include "mozilla/Preferences.h"
namespace mozilla {
namespace layers {
class THEBES_API CanvasLayerD3D10 : public CanvasLayer,
public LayerD3D10
{
public:
CanvasLayerD3D10(LayerManagerD3D10 *aManager)
: CanvasLayer(aManager, NULL)
, LayerD3D10(aManager)
, mDataIsPremultiplied(false)
, mNeedsYFlip(false)
, mHasAlpha(true)
{
mImplData = static_cast<LayerD3D10*>(this);
mForceReadback = Preferences::GetBool("webgl.force-layers-readback", false);
}
~CanvasLayerD3D10();
// CanvasLayer implementation
virtual void Initialize(const Data& aData);
// LayerD3D10 implementation
virtual Layer* GetLayer();
virtual void RenderLayer();
private:
typedef mozilla::gl::GLContext GLContext;
void UpdateSurface();
nsRefPtr<gfxASurface> mSurface;
mozilla::RefPtr<mozilla::gfx::DrawTarget> mDrawTarget;
nsRefPtr<GLContext> mGLContext;
nsRefPtr<ID3D10Texture2D> mTexture;
nsRefPtr<ID3D10ShaderResourceView> mSRView;
bool mDataIsPremultiplied;
bool mNeedsYFlip;
bool mIsD2DTexture;
bool mUsingSharedTexture;
bool mHasAlpha;
bool mForceReadback;
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_CANVASLAYERD3D10_H */