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/* -*- 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 "D3D11YCbCrImage.h"
#include "YCbCrUtils.h"
#include "gfx2DGlue.h"
#include "mozilla/gfx/DeviceManagerDx.h"
#include "mozilla/gfx/gfxVars.h"
#include "mozilla/layers/CompositableClient.h"
#include "mozilla/layers/CompositableForwarder.h"
#include "mozilla/layers/TextureD3D11.h"
using namespace mozilla::gfx;
namespace mozilla {
namespace layers {
class AutoCheckLockD3D11Texture final {
public:
explicit AutoCheckLockD3D11Texture(ID3D11Texture2D* aTexture)
: mIsLocked(false) {
aTexture->QueryInterface((IDXGIKeyedMutex**)getter_AddRefs(mMutex));
if (!mMutex) {
// If D3D11Texture does not have keyed mutex, we think that the
// D3D11Texture could be locked.
mIsLocked = true;
return;
}
// Test to see if the keyed mutex has been released
HRESULT hr = mMutex->AcquireSync(0, 0);
if (hr == S_OK || hr == WAIT_ABANDONED) {
mIsLocked = true;
// According to Microsoft documentation:
// WAIT_ABANDONED - The shared surface and keyed mutex are no longer in a
// consistent state. If AcquireSync returns this value, you should release
// and recreate both the keyed mutex and the shared surface
// So even if we do get WAIT_ABANDONED, the keyed mutex will have to be
// released.
mSyncAcquired = true;
}
}
~AutoCheckLockD3D11Texture() {
if (!mSyncAcquired) {
return;
}
HRESULT hr = mMutex->ReleaseSync(0);
if (FAILED(hr)) {
NS_WARNING("Failed to unlock the texture");
}
}
bool IsLocked() const { return mIsLocked; }
private:
bool mIsLocked;
bool mSyncAcquired = false;
RefPtr<IDXGIKeyedMutex> mMutex;
};
DXGIYCbCrTextureAllocationHelper::DXGIYCbCrTextureAllocationHelper(
const PlanarYCbCrData& aData, TextureFlags aTextureFlags,
ID3D11Device* aDevice)
: ITextureClientAllocationHelper(
gfx::SurfaceFormat::YUV420, aData.mPictureRect.Size(),
BackendSelector::Content, aTextureFlags, ALLOC_DEFAULT),
mData(aData),
mDevice(aDevice) {}
bool DXGIYCbCrTextureAllocationHelper::IsCompatible(
TextureClient* aTextureClient) {
MOZ_ASSERT(aTextureClient->GetFormat() == gfx::SurfaceFormat::YUV420);
DXGIYCbCrTextureData* dxgiData =
aTextureClient->GetInternalData()->AsDXGIYCbCrTextureData();
if (!dxgiData || aTextureClient->GetSize() != mData.mPictureRect.Size() ||
dxgiData->GetYSize() != mData.YDataSize() ||
dxgiData->GetCbCrSize() != mData.CbCrDataSize() ||
dxgiData->GetColorDepth() != mData.mColorDepth ||
dxgiData->GetYUVColorSpace() != mData.mYUVColorSpace) {
return false;
}
ID3D11Texture2D* textureY = dxgiData->GetD3D11Texture(0);
ID3D11Texture2D* textureCb = dxgiData->GetD3D11Texture(1);
ID3D11Texture2D* textureCr = dxgiData->GetD3D11Texture(2);
RefPtr<ID3D11Device> device;
textureY->GetDevice(getter_AddRefs(device));
if (!device || device != gfx::DeviceManagerDx::Get()->GetImageDevice()) {
return false;
}
// Test to see if the keyed mutex has been released.
// If D3D11Texture failed to lock, do not recycle the DXGIYCbCrTextureData.
AutoCheckLockD3D11Texture lockY(textureY);
AutoCheckLockD3D11Texture lockCr(textureCr);
AutoCheckLockD3D11Texture lockCb(textureCb);
if (!lockY.IsLocked() || !lockCr.IsLocked() || !lockCb.IsLocked()) {
return false;
}
return true;
}
already_AddRefed<TextureClient> DXGIYCbCrTextureAllocationHelper::Allocate(
KnowsCompositor* aAllocator) {
auto ySize = mData.YDataSize();
auto cbcrSize = mData.CbCrDataSize();
CD3D11_TEXTURE2D_DESC newDesc(mData.mColorDepth == gfx::ColorDepth::COLOR_8
? DXGI_FORMAT_R8_UNORM
: DXGI_FORMAT_R16_UNORM,
ySize.width, ySize.height, 1, 1);
newDesc.MiscFlags = D3D11_RESOURCE_MISC_SHARED_NTHANDLE |
D3D11_RESOURCE_MISC_SHARED_KEYEDMUTEX;
RefPtr<ID3D10Multithread> mt;
HRESULT hr = mDevice->QueryInterface((ID3D10Multithread**)getter_AddRefs(mt));
if (FAILED(hr) || !mt) {
gfxCriticalError() << "Multithread safety interface not supported. " << hr;
return nullptr;
}
if (!mt->GetMultithreadProtected()) {
gfxCriticalError() << "Device used not marked as multithread-safe.";
return nullptr;
}
D3D11MTAutoEnter mtAutoEnter(mt.forget());
RefPtr<ID3D11Texture2D> textureY;
hr = mDevice->CreateTexture2D(&newDesc, nullptr, getter_AddRefs(textureY));
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
newDesc.Width = cbcrSize.width;
newDesc.Height = cbcrSize.height;
RefPtr<ID3D11Texture2D> textureCb;
hr = mDevice->CreateTexture2D(&newDesc, nullptr, getter_AddRefs(textureCb));
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
RefPtr<ID3D11Texture2D> textureCr;
hr = mDevice->CreateTexture2D(&newDesc, nullptr, getter_AddRefs(textureCr));
NS_ENSURE_TRUE(SUCCEEDED(hr), nullptr);
TextureForwarder* forwarder =
aAllocator ? aAllocator->GetTextureForwarder() : nullptr;
return TextureClient::CreateWithData(
DXGIYCbCrTextureData::Create(
textureY, textureCb, textureCr, mData.mPictureRect.Size(), ySize,
cbcrSize, mData.mColorDepth, mData.mYUVColorSpace, mData.mColorRange),
mTextureFlags, forwarder);
}
already_AddRefed<TextureClient> D3D11YCbCrRecycleAllocator::Allocate(
SurfaceFormat aFormat, IntSize aSize, BackendSelector aSelector,
TextureFlags aTextureFlags, TextureAllocationFlags aAllocFlags) {
MOZ_ASSERT_UNREACHABLE("unexpected to be called");
return nullptr;
}
} // namespace layers
} // namespace mozilla