gecko-dev/gfx/webrender_bindings/RenderBufferTextureHost.h
JerryShih 77ea08e890 Bug 1366502 - Update BufferTextureHost and RenderBufferTextureHost for video pipeline. r=sotaro
WR supports the planar-ycbcr image format. We turn to use the planar-ycbcr image to get rid of the software-ycbcr-to-rgb color format conversion(using libyuv) in gecko.

The BufferTextureHost will use 3 image keys for SurfaceFormat::YUV format.
The RenderBufferTextureHost will also use 3 DataSourceSurfaces to represent the 3 channel data in planar-ycbcr format.

MozReview-Commit-ID: 3mMreSzKnMv
2017-06-07 23:44:04 +08:00

72 lines
1.7 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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_RENDERBUFFERTEXTUREHOST_H
#define MOZILLA_GFX_RENDERBUFFERTEXTUREHOST_H
#include "RenderTextureHost.h"
namespace mozilla {
namespace wr {
class RenderBufferTextureHost final : public RenderTextureHost
{
public:
RenderBufferTextureHost(uint8_t* aBuffer,
const layers::BufferDescriptor& aDescriptor);
virtual bool Lock() override;
virtual void Unlock() override;
virtual RenderBufferTextureHost* AsBufferTextureHost() override
{
return this;
}
class RenderBufferData
{
public:
RenderBufferData(uint8_t* aData, size_t aBufferSize)
: mData(aData)
, mBufferSize(aBufferSize)
{
}
const uint8_t* mData;
size_t mBufferSize;
};
RenderBufferData GetBufferDataForRender(uint8_t aChannelIndex);
private:
virtual ~RenderBufferTextureHost();
uint8_t* GetBuffer() const
{
return mBuffer;
}
uint8_t* mBuffer;
layers::BufferDescriptor mDescriptor;
gfx::IntSize mSize;
gfx::SurfaceFormat mFormat;
RefPtr<gfx::DataSourceSurface> mSurface;
gfx::DataSourceSurface::MappedSurface mMap;
RefPtr<gfx::DataSourceSurface> mYSurface;
RefPtr<gfx::DataSourceSurface> mCbSurface;
RefPtr<gfx::DataSourceSurface> mCrSurface;
gfx::DataSourceSurface::MappedSurface mYMap;
gfx::DataSourceSurface::MappedSurface mCbMap;
gfx::DataSourceSurface::MappedSurface mCrMap;
bool mLocked;
};
} // namespace wr
} // namespace mozilla
#endif // MOZILLA_GFX_RENDERBUFFERTEXTUREHOST_H