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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 "FenceD3D11.h"
#include <d3d11.h>
#include <d3d11_3.h>
#include <d3d11_4.h>
#include "mozilla/gfx/Logging.h"
namespace mozilla {
namespace layers {
RefPtr<ID3D11Device> mDevice;
/* static */
RefPtr<FenceD3D11> FenceD3D11::Create(ID3D11Device* aDevice) {
MOZ_ASSERT(aDevice);
if (!aDevice) {
return nullptr;
}
RefPtr<ID3D11Device5> d3d11_5;
auto hr =
aDevice->QueryInterface(__uuidof(ID3D11Device5), getter_AddRefs(d3d11_5));
if (FAILED(hr)) {
gfxCriticalNoteOnce << "Failed to get ID3D11Device5: " << gfx::hexa(hr);
return nullptr;
}
RefPtr<ID3D11Fence> fenceD3D11;
d3d11_5->CreateFence(0, D3D11_FENCE_FLAG_SHARED,
IID_PPV_ARGS((ID3D11Fence**)getter_AddRefs(fenceD3D11)));
if (FAILED(hr)) {
gfxCriticalNoteOnce << "Fence creation failed: " << gfx::hexa(hr);
return nullptr;
}
HANDLE sharedHandle = nullptr;
hr = fenceD3D11->CreateSharedHandle(nullptr, GENERIC_ALL, nullptr,
&sharedHandle);
if (FAILED(hr)) {
gfxCriticalNoteOnce << "Fence shared handle creation failed "
<< gfx::hexa(hr);
return nullptr;
}
RefPtr<gfx::FileHandleWrapper> handle =
new gfx::FileHandleWrapper(UniqueFileHandle(sharedHandle));
RefPtr<FenceD3D11> fence = new FenceD3D11(handle);
fence->mDevice = aDevice;
fence->mSignalFence = fenceD3D11;
return fence;
}
/* static */
RefPtr<FenceD3D11> FenceD3D11::CreateFromHandle(
RefPtr<gfx::FileHandleWrapper> aHandle) {
// Opening shared handle is deferred.
return new FenceD3D11(aHandle);
}
/* static */
bool FenceD3D11::IsSupported(ID3D11Device* aDevice) {
RefPtr<ID3D11Device5> d3d11_5;
auto hr =
aDevice->QueryInterface(__uuidof(ID3D11Device5), getter_AddRefs(d3d11_5));
if (FAILED(hr)) {
return false;
}
return true;
}
FenceD3D11::FenceD3D11(RefPtr<gfx::FileHandleWrapper>& aHandle)
: mHandle(aHandle) {
MOZ_ASSERT(mHandle);
}
FenceD3D11::~FenceD3D11() {}
gfx::FenceInfo FenceD3D11::GetFenceInfo() const {
return gfx::FenceInfo(mHandle, mFenceValue);
}
bool FenceD3D11::IncrementAndSignal() {
MOZ_ASSERT(mDevice);
MOZ_ASSERT(mSignalFence);
if (!mDevice || !mSignalFence) {
return false;
}
RefPtr<ID3D11DeviceContext> context;
mDevice->GetImmediateContext(getter_AddRefs(context));
RefPtr<ID3D11DeviceContext4> context4;
auto hr = context->QueryInterface(__uuidof(ID3D11DeviceContext4),
getter_AddRefs(context4));
if (FAILED(hr)) {
gfxCriticalNoteOnce << "Failed to get D3D11DeviceContext4: "
<< gfx::hexa(hr);
return false;
}
hr = context4->Signal(mSignalFence, mFenceValue + 1);
if (FAILED(hr)) {
gfxCriticalNoteOnce << "Signal fence failed: " << gfx::hexa(hr);
return false;
}
mFenceValue++;
return true;
}
void FenceD3D11::Update(uint64_t aFenceValue) {
MOZ_ASSERT(!mDevice);
MOZ_ASSERT(!mSignalFence);
if (mFenceValue > aFenceValue) {
MOZ_ASSERT_UNREACHABLE("unexpected to be called");
return;
}
mFenceValue = aFenceValue;
}
bool FenceD3D11::Wait(ID3D11Device* aDevice) {
MOZ_ASSERT(aDevice);
if (!aDevice) {
return false;
}
// Skip wait if passed device is the same as signaling device.
if (mDevice == aDevice) {
return true;
}
RefPtr<ID3D11Fence> fence;
auto it = mWaitFenceMap.find(aDevice);
if (it == mWaitFenceMap.end()) {
RefPtr<ID3D11Device5> d3d11_5;
auto hr = aDevice->QueryInterface(__uuidof(ID3D11Device5),
getter_AddRefs(d3d11_5));
if (FAILED(hr)) {
gfxCriticalNoteOnce << "Failed to get ID3D11Device5: " << gfx::hexa(hr);
return false;
}
hr = d3d11_5->OpenSharedFence(mHandle->GetHandle(), __uuidof(ID3D11Fence),
(void**)(ID3D11Fence**)getter_AddRefs(fence));
if (FAILED(hr)) {
gfxCriticalNoteOnce << "Opening fence shared handle failed "
<< gfx::hexa(hr);
return false;
}
mWaitFenceMap.emplace(aDevice, fence);
} else {
fence = it->second;
}
if (!fence) {
MOZ_ASSERT_UNREACHABLE("unexpected to be called");
return false;
}
RefPtr<ID3D11DeviceContext> context;
aDevice->GetImmediateContext(getter_AddRefs(context));
RefPtr<ID3D11DeviceContext4> context4;
auto hr = context->QueryInterface(__uuidof(ID3D11DeviceContext4),
getter_AddRefs(context4));
if (FAILED(hr)) {
gfxCriticalNoteOnce << "Failed to get D3D11DeviceContext4: "
<< gfx::hexa(hr);
return false;
}
hr = context4->Wait(fence, mFenceValue);
if (FAILED(hr)) {
gfxCriticalNoteOnce << "Failed to wait fence: " << gfx::hexa(hr);
return false;
}
return true;
}
} // namespace layers
} // namespace mozilla
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