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