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https://github.com/mozilla/gecko-dev.git
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b2d4c86823
--HG-- extra : rebase_source : 56f2cc017632bf27115490ae05254019108c6179 extra : amend_source : 98ea6c3c02a9f7650d2cf65deaf5085cf9a2efa4
56 lines
1.5 KiB
C++
56 lines
1.5 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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#include "RenderSharedSurfaceTextureHost.h"
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#include "mozilla/gfx/Logging.h"
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#include "mozilla/layers/ImageDataSerializer.h"
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#include "mozilla/layers/SourceSurfaceSharedData.h"
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namespace mozilla {
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namespace wr {
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RenderSharedSurfaceTextureHost::RenderSharedSurfaceTextureHost(gfx::SourceSurfaceSharedDataWrapper* aSurface)
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: mSurface(aSurface)
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, mMap()
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, mLocked(false)
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{
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MOZ_COUNT_CTOR_INHERITED(RenderSharedSurfaceTextureHost, RenderTextureHost);
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MOZ_ASSERT(aSurface);
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}
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RenderSharedSurfaceTextureHost::~RenderSharedSurfaceTextureHost()
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{
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MOZ_COUNT_DTOR_INHERITED(RenderSharedSurfaceTextureHost, RenderTextureHost);
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}
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wr::WrExternalImage
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RenderSharedSurfaceTextureHost::Lock(uint8_t aChannelIndex, gl::GLContext* aGL)
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{
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if (!mLocked) {
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if (NS_WARN_IF(!mSurface->Map(gfx::DataSourceSurface::MapType::READ_WRITE,
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&mMap))) {
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return InvalidToWrExternalImage();
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}
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mLocked = true;
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}
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return RawDataToWrExternalImage(mMap.mData,
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mMap.mStride * mSurface->GetSize().height);
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}
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void
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RenderSharedSurfaceTextureHost::Unlock()
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{
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if (mLocked) {
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mSurface->Unmap();
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mLocked = false;
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}
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}
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} // namespace wr
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} // namespace mozilla
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