зеркало из https://github.com/mozilla/gecko-dev.git
79 строки
2.3 KiB
C++
79 строки
2.3 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_RENDERBUFFERTEXTUREHOST_H
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#define MOZILLA_GFX_RENDERBUFFERTEXTUREHOST_H
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#include "RenderTextureHostSWGL.h"
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namespace mozilla {
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namespace wr {
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class RenderBufferTextureHost final : public RenderTextureHostSWGL {
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public:
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RenderBufferTextureHost(uint8_t* aBuffer,
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const layers::BufferDescriptor& aDescriptor);
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// RenderTextureHost
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wr::WrExternalImage Lock(uint8_t aChannelIndex, gl::GLContext* aGL,
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wr::ImageRendering aRendering) override;
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void Unlock() override;
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size_t Bytes() override {
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return mSize.width * mSize.height * BytesPerPixel(mFormat);
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}
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class RenderBufferData {
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public:
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RenderBufferData(uint8_t* aData, size_t aBufferSize)
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: mData(aData), mBufferSize(aBufferSize) {}
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const uint8_t* mData;
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size_t mBufferSize;
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};
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RenderBufferData GetBufferDataForRender(uint8_t aChannelIndex);
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// RenderTextureHostSWGL
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size_t GetPlaneCount() const override;
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gfx::SurfaceFormat GetFormat() const override;
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gfx::ColorDepth GetColorDepth() const override;
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gfx::YUVRangedColorSpace GetYUVColorSpace() const override;
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bool MapPlane(RenderCompositor* aCompositor, uint8_t aChannelIndex,
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PlaneInfo& aPlaneInfo) override;
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void UnmapPlanes() override;
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private:
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virtual ~RenderBufferTextureHost();
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uint8_t* GetBuffer() const { return mBuffer; }
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uint8_t* mBuffer;
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layers::BufferDescriptor mDescriptor;
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gfx::IntSize mSize;
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gfx::SurfaceFormat mFormat;
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RefPtr<gfx::DataSourceSurface> mSurface;
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gfx::DataSourceSurface::MappedSurface mMap;
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RefPtr<gfx::DataSourceSurface> mYSurface;
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RefPtr<gfx::DataSourceSurface> mCbSurface;
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RefPtr<gfx::DataSourceSurface> mCrSurface;
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gfx::DataSourceSurface::MappedSurface mYMap;
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gfx::DataSourceSurface::MappedSurface mCbMap;
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gfx::DataSourceSurface::MappedSurface mCrMap;
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bool mLocked;
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};
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} // namespace wr
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} // namespace mozilla
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#endif // MOZILLA_GFX_RENDERBUFFERTEXTUREHOST_H
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