gecko-dev/gfx/webrender_bindings/RenderBufferTextureHost.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "RenderTextureHostSWGL.h"
namespace mozilla {
namespace wr {
class RenderBufferTextureHost final : public RenderTextureHostSWGL {
public:
RenderBufferTextureHost(uint8_t* aBuffer,
const layers::BufferDescriptor& aDescriptor);
// RenderTextureHost
wr::WrExternalImage Lock(uint8_t aChannelIndex, gl::GLContext* aGL,
wr::ImageRendering aRendering) override;
void Unlock() override;
size_t Bytes() override {
return mSize.width * mSize.height * BytesPerPixel(mFormat);
}
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);
// RenderTextureHostSWGL
size_t GetPlaneCount() const override;
gfx::SurfaceFormat GetFormat() const override;
gfx::ColorDepth GetColorDepth() const override;
gfx::YUVRangedColorSpace GetYUVColorSpace() const override;
bool MapPlane(RenderCompositor* aCompositor, uint8_t aChannelIndex,
PlaneInfo& aPlaneInfo) override;
void UnmapPlanes() override;
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