зеркало из https://github.com/mozilla/gecko-dev.git
93 строки
3.0 KiB
C++
93 строки
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 MOZILLA_GFX_WEBRENDERIMAGEHOST_H
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#define MOZILLA_GFX_WEBRENDERIMAGEHOST_H
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#include "CompositableHost.h" // for CompositableHost
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#include "mozilla/layers/ImageComposite.h" // for ImageComposite
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#include "mozilla/WeakPtr.h"
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namespace mozilla {
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namespace layers {
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class WebRenderBridgeParent;
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/**
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* ImageHost. Works with ImageClientSingle and ImageClientBuffered
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*/
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class WebRenderImageHost : public CompositableHost, public ImageComposite {
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public:
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explicit WebRenderImageHost(const TextureInfo& aTextureInfo);
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virtual ~WebRenderImageHost();
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CompositableType GetType() override { return mTextureInfo.mCompositableType; }
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void Composite(Compositor* aCompositor, LayerComposite* aLayer,
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EffectChain& aEffectChain, float aOpacity,
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const gfx::Matrix4x4& aTransform,
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const gfx::SamplingFilter aSamplingFilter,
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const gfx::IntRect& aClipRect,
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const nsIntRegion* aVisibleRegion = nullptr,
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const Maybe<gfx::Polygon>& aGeometry = Nothing()) override;
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void UseTextureHost(const nsTArray<TimedTexture>& aTextures) override;
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void UseComponentAlphaTextures(TextureHost* aTextureOnBlack,
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TextureHost* aTextureOnWhite) override;
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void RemoveTextureHost(TextureHost* aTexture) override;
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TextureHost* GetAsTextureHost(gfx::IntRect* aPictureRect = nullptr) override;
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void Attach(Layer* aLayer, TextureSourceProvider* aProvider,
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AttachFlags aFlags = NO_FLAGS) override;
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void SetTextureSourceProvider(TextureSourceProvider* aProvider) override;
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gfx::IntSize GetImageSize() override;
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void PrintInfo(std::stringstream& aStream, const char* aPrefix) override;
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void Dump(std::stringstream& aStream, const char* aPrefix = "",
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bool aDumpHtml = false) override;
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already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override;
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bool Lock() override;
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void Unlock() override;
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void CleanupResources() override;
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uint32_t GetDroppedFrames() override { return GetDroppedFramesAndReset(); }
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WebRenderImageHost* AsWebRenderImageHost() override { return this; }
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TextureHost* GetAsTextureHostForComposite();
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void SetWrBridge(WebRenderBridgeParent* aWrBridge);
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void ClearWrBridge(WebRenderBridgeParent* aWrBridge);
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TextureHost* GetCurrentTextureHost() { return mCurrentTextureHost; }
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protected:
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// ImageComposite
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TimeStamp GetCompositionTime() const override;
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void SetCurrentTextureHost(TextureHost* aTexture);
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WeakPtr<WebRenderBridgeParent> mWrBridge;
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uint32_t mWrBridgeBindings;
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CompositableTextureHostRef mCurrentTextureHost;
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};
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} // namespace layers
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} // namespace mozilla
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#endif // MOZILLA_GFX_WEBRENDERIMAGEHOST_H
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