зеркало из https://github.com/mozilla/gecko-dev.git
46 строки
1.4 KiB
C++
46 строки
1.4 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_RENDERSHAREDSURFACETEXTUREHOST_H
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#define MOZILLA_GFX_RENDERSHAREDSURFACETEXTUREHOST_H
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#include "RenderTextureHost.h"
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namespace mozilla {
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namespace gfx {
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class SourceSurfaceSharedDataWrapper;
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}
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namespace wr {
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/**
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* This class allows for surfaces managed by SharedSurfacesParent to be inserted
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* into the render texture cache by wrapping an existing surface wrapper. These
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* surfaces are backed by BGRA/X shared memory buffers.
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*/
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class RenderSharedSurfaceTextureHost final : public RenderTextureHost
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{
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public:
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explicit RenderSharedSurfaceTextureHost(gfx::SourceSurfaceSharedDataWrapper* aSurface);
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wr::WrExternalImage Lock(uint8_t aChannelIndex,
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gl::GLContext* aGL,
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wr::ImageRendering aRendering) override;
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void Unlock() override;
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private:
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~RenderSharedSurfaceTextureHost() override;
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RefPtr<gfx::SourceSurfaceSharedDataWrapper> mSurface;
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gfx::DataSourceSurface::MappedSurface mMap;
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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_RENDERSHAREDSURFACETEXTUREHOST_H
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