87 lines
2.4 KiB
C
87 lines
2.4 KiB
C
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/* -*- 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_GRALLOCTEXTUREHOST_BASIC_H
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#define MOZILLA_GFX_GRALLOCTEXTUREHOST_BASIC_H
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#include "mozilla/layers/BasicCompositor.h"
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#include "mozilla/layers/ShadowLayerUtilsGralloc.h"
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#include "mozilla/layers/TextureHostBasic.h"
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namespace mozilla {
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namespace layers {
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class BasicCompositor;
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/**
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* A TextureHost for shared gralloc
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*
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* Most of the logic actually happens in GrallocTextureSourceBasic.
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*/
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class GrallocTextureHostBasic : public TextureHost
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{
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public:
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GrallocTextureHostBasic(TextureFlags aFlags,
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const SurfaceDescriptorGralloc& aDescriptor);
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virtual void SetCompositor(Compositor* aCompositor) override;
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virtual bool Lock() override;
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virtual gfx::SurfaceFormat GetFormat() const override;
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virtual bool BindTextureSource(CompositableTextureSourceRef& aTexture) override;
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virtual void UnbindTextureSource() override;
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virtual already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override
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{
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return nullptr; // XXX - implement this (for MOZ_DUMP_PAINTING)
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}
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virtual void WaitAcquireFenceHandleSyncComplete() override;
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virtual gfx::IntSize GetSize() const override { return mCropSize; }
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virtual void SetCropRect(nsIntRect aCropRect) override;
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virtual void DeallocateSharedData() override;
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virtual void ForgetSharedData() override;
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virtual void DeallocateDeviceData() override;
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virtual LayerRenderState GetRenderState() override;
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bool IsValid() const;
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void ClearTextureSource();
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#ifdef MOZ_LAYERS_HAVE_LOG
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virtual const char* Name() override { return "GrallocTextureHostBasic"; }
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#endif
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protected:
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RefPtr<BasicCompositor> mCompositor;
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RefPtr<DataTextureSource> mTextureSource;
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SurfaceDescriptorGralloc mGrallocHandle;
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// gralloc buffer size.
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gfx::IntSize mSize;
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// Size reported by TextureClient, can be different in some cases (video?),
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// used by LayerRenderState.
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gfx::IntSize mCropSize;
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gfx::SurfaceFormat mFormat;
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bool mIsOpaque;
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/**
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* Points to a mapped gralloc buffer when TextureSource is valid.
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*/
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uint8_t* mMappedBuffer;
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};
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} // namespace layers
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} // namespace mozilla
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#endif // MOZILLA_GFX_GRALLOCTEXTUREHOST_BASIC_H
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