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71 lines
2.3 KiB
C++
71 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GFX_WEBRENDERLAYER_H
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#define GFX_WEBRENDERLAYER_H
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#include "Layers.h"
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#include "mozilla/webrender/WebRenderTypes.h"
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#include "mozilla/webrender/WebRenderAPI.h"
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namespace mozilla {
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namespace layers {
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class ImageClientSingle;
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class StackingContextHelper;
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class WebRenderBridgeChild;
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class WebRenderLayerManager;
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typedef gfx::Matrix4x4Typed<LayerPixel, LayerPixel> BoundsTransformMatrix;
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class WebRenderLayer
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{
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public:
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virtual Layer* GetLayer() = 0;
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virtual void RenderLayer(wr::DisplayListBuilder& aBuilder,
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const StackingContextHelper& aSc) = 0;
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virtual Maybe<WrImageMask> RenderMaskLayer(const gfx::Matrix4x4& aTransform)
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{
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MOZ_ASSERT(false);
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return Nothing();
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}
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virtual already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() { return nullptr; }
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static inline WebRenderLayer*
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ToWebRenderLayer(Layer* aLayer)
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{
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return static_cast<WebRenderLayer*>(aLayer->ImplData());
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}
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Maybe<wr::ImageKey> UpdateImageKey(ImageClientSingle* aImageClient,
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ImageContainer* aContainer,
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Maybe<wr::ImageKey>& aOldKey,
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wr::ExternalImageId& aExternalImageId);
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WebRenderLayerManager* WrManager();
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WebRenderBridgeChild* WrBridge();
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WrImageKey GetImageKey();
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LayerRect Bounds();
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LayerRect BoundsForStackingContext();
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protected:
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BoundsTransformMatrix BoundsTransform();
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Maybe<LayerRect> ClipRect();
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void DumpLayerInfo(const char* aLayerType, const LayerRect& aRect);
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// Builds a WrImageMask from the mask layer on this layer, if there is one.
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// If this layer is pushing a stacking context, then the WrImageMask will be
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// interpreted as relative to that stacking context by WR. The caller needs
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// to pass in the StackingContextHelper for *this* layer, if there is one, in
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// order for this function to make the necessary adjustments.
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Maybe<WrImageMask> BuildWrMaskLayer(const StackingContextHelper* aUnapplySc);
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};
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} // namespace layers
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} // namespace mozilla
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#endif /* GFX_WEBRENDERLAYER_H */
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