1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/* -*- 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/. */
#include "GPUVideoTextureClient.h"
#include "GPUVideoImage.h"
#include "mozilla/gfx/2D.h"
namespace mozilla {
namespace layers {
using namespace gfx;
GPUVideoTextureData::GPUVideoTextureData(IGPUVideoSurfaceManager* aManager,
const SurfaceDescriptorGPUVideo& aSD,
const gfx::IntSize& aSize)
: mManager(aManager), mSD(aSD), mSize(aSize) {}
GPUVideoTextureData::~GPUVideoTextureData() = default;
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.hasSynchronization = false;
aInfo.supportsMoz2D = false;
aInfo.canExposeMappedData = false;
}
already_AddRefed<SourceSurface> GPUVideoTextureData::GetAsSourceSurface() {
return mManager->Readback(mSD);
}
void GPUVideoTextureData::OnSetCurrent() { mManager->OnSetCurrent(mSD); }
void GPUVideoTextureData::Deallocate(LayersIPCChannel* aAllocator) {
mManager->DeallocateSurfaceDescriptor(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
|
