/* -*- 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_RENDERSHAREDSURFACETEXTUREHOST_H
#define MOZILLA_GFX_RENDERSHAREDSURFACETEXTUREHOST_H
#include "RenderTextureHostSWGL.h"
namespace mozilla {
namespace gfx {
class SourceSurfaceSharedDataWrapper;
}
namespace wr {
/**
* This class allows for surfaces managed by SharedSurfacesParent to be inserted
* into the render texture cache by wrapping an existing surface wrapper. These
* surfaces are backed by BGRA/X shared memory buffers.
*/
class RenderSharedSurfaceTextureHost final :
public RenderTextureHostSWGL {
public:
explicit RenderSharedSurfaceTextureHost(
gfx::SourceSurfaceSharedDataWrapper* aSurface);
// RenderTextureHost
wr::WrExternalImage Lock(uint8_t aChannelIndex, gl::GLContext* aGL) override;
void Unlock() override;
size_t Bytes() override;
// RenderTextureHostSWGL
size_t GetPlaneCount()
const override;
gfx::SurfaceFormat GetFormat()
const override;
gfx::ColorDepth GetColorDepth()
const override;
bool MapPlane(RenderCompositor* aCompositor, uint8_t aChannelIndex,
PlaneInfo& aPlaneInfo) override;
void UnmapPlanes() override;
private:
virtual ~RenderSharedSurfaceTextureHost();
RefPtr<gfx::SourceSurfaceSharedDataWrapper> mSurface;
gfx::DataSourceSurface::MappedSurface mMap;
bool mLocked;
};
}
// namespace wr
}
// namespace mozilla
#endif // MOZILLA_GFX_RENDERSHAREDSURFACETEXTUREHOST_H
