73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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 "GPUVideoTextureClient.h"
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#include "mozilla/dom/VideoDecoderManagerChild.h"
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#include "mozilla/gfx/2D.h"
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namespace mozilla {
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namespace layers {
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using namespace gfx;
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GPUVideoTextureData::GPUVideoTextureData(dom::VideoDecoderManagerChild* aManager,
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const SurfaceDescriptorGPUVideo& aSD,
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const gfx::IntSize& aSize)
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: mManager(aManager)
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, mSD(aSD)
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, mSize(aSize)
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{}
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GPUVideoTextureData::~GPUVideoTextureData()
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{
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}
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bool
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GPUVideoTextureData::Serialize(SurfaceDescriptor& aOutDescriptor)
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{
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aOutDescriptor = mSD;
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return true;
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}
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void
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GPUVideoTextureData::FillInfo(TextureData::Info& aInfo) const
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{
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aInfo.size = mSize;
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// TODO: We should probably try do better for this.
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// layers::Image doesn't expose a format, so it's hard
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// to figure out in VideoDecoderParent.
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aInfo.format = SurfaceFormat::B8G8R8X8;
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aInfo.hasIntermediateBuffer = false;
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aInfo.hasSynchronization = false;
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aInfo.supportsMoz2D = false;
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aInfo.canExposeMappedData = false;
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}
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already_AddRefed<SourceSurface>
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GPUVideoTextureData::GetAsSourceSurface()
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{
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return mManager->Readback(mSD);
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}
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void
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GPUVideoTextureData::Deallocate(LayersIPCChannel* aAllocator)
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{
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mManager->DeallocateSurfaceDescriptorGPUVideo(mSD);
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mSD = SurfaceDescriptorGPUVideo();
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}
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void
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GPUVideoTextureData::Forget(LayersIPCChannel* aAllocator)
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{
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// We always need to manually deallocate on the client side.
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// Ideally we'd set up our TextureClient with the DEALLOCATE_CLIENT
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// flag, but that forces texture destruction to be synchronous.
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// Instead let's just deallocate from here as well.
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Deallocate(aAllocator);
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}
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} // namespace layers
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} // namespace mozilla
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