82 lines
2.8 KiB
C++
82 lines
2.8 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_LAYERS_BUFFERETEXTURE
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#define MOZILLA_LAYERS_BUFFERETEXTURE
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#include "mozilla/layers/ImageDataSerializer.h"
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#include "mozilla/layers/YCbCrImageDataSerializer.h"
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#include "mozilla/layers/TextureClient.h"
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#include "mozilla/ipc/SharedMemory.h"
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#include "mozilla/gfx/Types.h"
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#include "mozilla/gfx/2D.h"
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#include "mozilla/RefPtr.h"
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namespace mozilla {
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namespace layers {
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class BufferTextureData : public TextureData
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{
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public:
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static BufferTextureData* Create(gfx::IntSize aSize, gfx::SurfaceFormat aFormat,
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gfx::BackendType aMoz2DBackend,TextureFlags aFlags,
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TextureAllocationFlags aAllocFlags,
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ISurfaceAllocator* aAllocator);
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static BufferTextureData* CreateWithBufferSize(ISurfaceAllocator* aAllocator,
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gfx::SurfaceFormat aFormat,
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size_t aSize,
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TextureFlags aTextureFlags);
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static BufferTextureData* CreateForYCbCr(ISurfaceAllocator* aAllocator,
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gfx::IntSize aYSize,
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gfx::IntSize aCbCrSize,
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StereoMode aStereoMode,
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TextureFlags aTextureFlags);
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virtual bool Lock(OpenMode aMode, FenceHandle*) override { return true; }
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virtual void Unlock() override {}
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virtual gfx::IntSize GetSize() const override { return mSize; }
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virtual gfx::SurfaceFormat GetFormat() const override { return mFormat; }
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virtual already_AddRefed<gfx::DrawTarget> BorrowDrawTarget() override;
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virtual bool CanExposeMappedData() const override { return true; }
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virtual bool BorrowMappedData(MappedTextureData& aMap) override;
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virtual bool BorrowMappedYCbCrData(MappedYCbCrTextureData& aMap) override;
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virtual bool SupportsMoz2D() const override;
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virtual bool HasInternalBuffer() const override { return true; }
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// use TextureClient's default implementation
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virtual bool UpdateFromSurface(gfx::SourceSurface* aSurface) override;
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protected:
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virtual uint8_t* GetBuffer() = 0;
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virtual size_t GetBufferSize() = 0;
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BufferTextureData(gfx::IntSize aSize, gfx::SurfaceFormat aFormat, gfx::BackendType aMoz2DBackend)
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: mSize(aSize)
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, mFormat(aFormat)
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, mMoz2DBackend(aMoz2DBackend)
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{}
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RefPtr<gfx::DrawTarget> mDrawTarget;
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gfx::IntSize mSize;
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gfx::SurfaceFormat mFormat;
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gfx::BackendType mMoz2DBackend;
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};
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} // namespace
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} // namespace
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#endif
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