1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/layers/d3d9/ThebesLayerD3D9.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,84 @@
1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef GFX_THEBESLAYERD3D9_H
1.10 +#define GFX_THEBESLAYERD3D9_H
1.11 +
1.12 +#include "Layers.h"
1.13 +#include "LayerManagerD3D9.h"
1.14 +#include "ReadbackProcessor.h"
1.15 +
1.16 +namespace mozilla {
1.17 +namespace layers {
1.18 +
1.19 +class ReadbackProcessor;
1.20 +
1.21 +class ThebesLayerD3D9 : public ThebesLayer,
1.22 + public LayerD3D9
1.23 +{
1.24 +public:
1.25 + ThebesLayerD3D9(LayerManagerD3D9 *aManager);
1.26 + virtual ~ThebesLayerD3D9();
1.27 +
1.28 + /* ThebesLayer implementation */
1.29 + void InvalidateRegion(const nsIntRegion& aRegion);
1.30 +
1.31 + /* LayerD3D9 implementation */
1.32 + Layer* GetLayer();
1.33 + virtual bool IsEmpty();
1.34 + virtual void RenderLayer() { RenderThebesLayer(nullptr); }
1.35 + virtual void CleanResources();
1.36 + virtual void LayerManagerDestroyed();
1.37 +
1.38 + void RenderThebesLayer(ReadbackProcessor* aReadback);
1.39 +
1.40 +private:
1.41 + /*
1.42 + * D3D9 texture
1.43 + */
1.44 + nsRefPtr<IDirect3DTexture9> mTexture;
1.45 + /*
1.46 + * D3D9 texture for render-on-white when doing component alpha
1.47 + */
1.48 + nsRefPtr<IDirect3DTexture9> mTextureOnWhite;
1.49 + /**
1.50 + * Visible region bounds used when we drew the contents of the textures
1.51 + */
1.52 + nsIntRect mTextureRect;
1.53 +
1.54 + bool HaveTextures(SurfaceMode aMode)
1.55 + {
1.56 + return mTexture && (aMode != SurfaceMode::SURFACE_COMPONENT_ALPHA || mTextureOnWhite);
1.57 + }
1.58 +
1.59 + /* Checks if our surface has the right content type */
1.60 + void VerifyContentType(SurfaceMode aMode);
1.61 +
1.62 + /* Ensures we have the necessary texture object(s) and that they correspond
1.63 + * to mVisibleRegion.GetBounds(). This creates new texture objects as
1.64 + * necessary and also copies existing valid texture data if necessary.
1.65 + */
1.66 + void UpdateTextures(SurfaceMode aMode);
1.67 +
1.68 + /* Render the rectangles of mVisibleRegion with D3D9 using the currently
1.69 + * bound textures, target, shaders, etc.
1.70 + */
1.71 + void RenderRegion(const nsIntRegion& aRegion);
1.72 +
1.73 + /* Have a region of our layer drawn */
1.74 + void DrawRegion(nsIntRegion &aRegion, SurfaceMode aMode,
1.75 + const nsTArray<ReadbackProcessor::Update>& aReadbackUpdates);
1.76 +
1.77 + /* Create a new texture */
1.78 + void CreateNewTextures(const gfx::IntSize &aSize, SurfaceMode aMode);
1.79 +
1.80 + void CopyRegion(IDirect3DTexture9* aSrc, const nsIntPoint &aSrcOffset,
1.81 + IDirect3DTexture9* aDest, const nsIntPoint &aDestOffset,
1.82 + const nsIntRegion &aCopyRegion, nsIntRegion* aValidRegion);
1.83 +};
1.84 +
1.85 +} /* layers */
1.86 +} /* mozilla */
1.87 +#endif /* GFX_THEBESLAYERD3D9_H */
