gecko-dev/gfx/layers/wr/WebRenderImageHost.h

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