c4fd192cd9
No functional changes intended in this patch. It merely simplifies the additional patch that we'll need to update gecko past WR cset 0bf6655, and saves some potential manual rebasing work. MozReview-Commit-ID: Km8dBotP3NQ
94 lines
3.4 KiB
C++
94 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 20; 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 MOZILLA_GFX_WEBRENDERTEXTUREHOST_H
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#define MOZILLA_GFX_WEBRENDERTEXTUREHOST_H
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#include "mozilla/layers/TextureHost.h"
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#include "mozilla/webrender/WebRenderTypes.h"
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namespace mozilla {
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namespace layers {
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class SurfaceDescriptor;
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// This textureHost is specialized for WebRender usage. With WebRender, there is
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// no Compositor during composition. Instead, we use RendererOGL for composition.
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// So, there are some UNREACHABLE asserts for the original Compositor related
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// code path in this class. Furthermore, the RendererOGL runs at RenderThead
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// instead of Compositor thread. This class is also creating the corresponding
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// RenderXXXTextureHost used by RendererOGL at RenderThread.
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class WebRenderTextureHost : public TextureHost
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{
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public:
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WebRenderTextureHost(const SurfaceDescriptor& aDesc,
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TextureFlags aFlags,
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TextureHost* aTexture,
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wr::ExternalImageId& aExternalImageId);
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virtual ~WebRenderTextureHost();
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virtual void DeallocateDeviceData() override {}
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virtual void SetTextureSourceProvider(TextureSourceProvider* aProvider) override;
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virtual bool Lock() override;
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virtual void Unlock() override;
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virtual gfx::SurfaceFormat GetFormat() const override;
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// Return the format used for reading the texture. Some hardware specific
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// textureHosts use their special data representation internally, but we could
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// treat these textureHost as the read-format when we read them.
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// Please check TextureHost::GetReadFormat().
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virtual gfx::SurfaceFormat GetReadFormat() const override;
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virtual bool BindTextureSource(CompositableTextureSourceRef& aTexture) override;
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virtual already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override;
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virtual YUVColorSpace GetYUVColorSpace() const override;
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virtual gfx::IntSize GetSize() const override;
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#ifdef MOZ_LAYERS_HAVE_LOG
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virtual const char* Name() override { return "WebRenderTextureHost"; }
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#endif
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virtual WebRenderTextureHost* AsWebRenderTextureHost() override { return this; }
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wr::ExternalImageId GetExternalImageKey() { return mExternalImageId; }
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int32_t GetRGBStride();
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bool IsWrappingNativeHandle() { return mIsWrappingNativeHandle; }
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virtual void GetWRImageKeys(nsTArray<wr::ImageKey>& aImageKeys,
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const std::function<wr::ImageKey()>& aImageKeyAllocator) override;
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virtual void AddWRImage(wr::WebRenderAPI* aAPI,
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Range<const wr::ImageKey>& aImageKeys,
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const wr::ExternalImageId& aExtID) override;
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virtual void PushExternalImage(wr::DisplayListBuilder& aBuilder,
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const WrRect& aBounds,
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const WrRect& aClip,
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wr::ImageRendering aFilter,
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Range<const wr::ImageKey>& aImageKeys) override;
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protected:
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void CreateRenderTextureHost(const SurfaceDescriptor& aDesc, TextureHost* aTexture);
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RefPtr<TextureHost> mWrappedTextureHost;
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wr::ExternalImageId mExternalImageId;
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bool mIsWrappingNativeHandle;
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};
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} // namespace layers
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} // namespace mozilla
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#endif // MOZILLA_GFX_WEBRENDERTEXTUREHOST_H
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