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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/gl/gl_fence_win.h"
#include "base/logging.h"
#include "base/notreached.h"
#include "ui/gl/gl_angle_util_win.h"
#include <d3d11_4.h>
namespace gl {
bool GLFenceWin::IsSupported() {
Microsoft::WRL::ComPtr<ID3D11Device> d3d11_device =
gl::QueryD3D11DeviceObjectFromANGLE();
if (!d3d11_device)
return false;
// Support for ID3D11Device5 implies support for ID3D11DeviceContext4.
// No point in letting you create fences if you can't signal or wait on them.
Microsoft::WRL::ComPtr<ID3D11Device5> d3d11_device5;
HRESULT hr = d3d11_device.As(&d3d11_device5);
if (FAILED(hr)) {
return false;
}
return true;
}
std::unique_ptr<GLFenceWin> GLFenceWin::CreateForGpuFence() {
Microsoft::WRL::ComPtr<ID3D11Device> d3d11_device =
gl::QueryD3D11DeviceObjectFromANGLE();
if (!d3d11_device) {
DLOG(ERROR) << "Unable to retrieve ID3D11Device from ANGLE";
return nullptr;
}
return CreateForGpuFence(d3d11_device.Get());
}
std::unique_ptr<GLFenceWin> GLFenceWin::CreateForGpuFence(
ID3D11Device* d3d11_device) {
Microsoft::WRL::ComPtr<ID3D11Device5> d3d11_device5;
HRESULT hr = d3d11_device->QueryInterface(IID_PPV_ARGS(&d3d11_device5));
if (FAILED(hr)) {
DLOG(ERROR) << "Unable to retrieve ID3D11Device5 interface "
<< logging::SystemErrorCodeToString(hr);
return nullptr;
}
Microsoft::WRL::ComPtr<ID3D11Fence> d3d11_fence;
hr = d3d11_device5->CreateFence(0, D3D11_FENCE_FLAG_SHARED,
IID_PPV_ARGS(&d3d11_fence));
if (FAILED(hr)) {
DLOG(ERROR) << "Unable to create ID3D11Fence "
<< logging::SystemErrorCodeToString(hr);
return nullptr;
}
HANDLE shared_handle;
hr = d3d11_fence->CreateSharedHandle(
nullptr, DXGI_SHARED_RESOURCE_READ | DXGI_SHARED_RESOURCE_WRITE, nullptr,
&shared_handle);
if (FAILED(hr)) {
DLOG(ERROR) << "Unable to create shared handle for DXGIResource "
<< logging::SystemErrorCodeToString(hr);
return nullptr;
}
// Put the shared handle into an RAII object as quickly as possible to
// ensure we do not leak it.
base::win::ScopedHandle scoped_handle(shared_handle);
Microsoft::WRL::ComPtr<ID3D11DeviceContext> d3d11_device_context;
d3d11_device5->GetImmediateContext(&d3d11_device_context);
Microsoft::WRL::ComPtr<ID3D11DeviceContext4> d3d11_device_context4;
hr = d3d11_device_context.As(&d3d11_device_context4);
if (FAILED(hr)) {
DLOG(ERROR) << "Unable to retrieve ID3D11DeviceContext4 interface "
<< logging::SystemErrorCodeToString(hr);
return nullptr;
}
hr = d3d11_device_context4->Signal(d3d11_fence.Get(), 1);
if (FAILED(hr)) {
DLOG(ERROR) << "Unable to Signal D3D11 fence "
<< logging::SystemErrorCodeToString(hr);
return nullptr;
}
gfx::GpuFenceHandle gpu_fence_handle;
gpu_fence_handle.Adopt(std::move(scoped_handle));
return std::make_unique<GLFenceWin>(std::move(d3d11_fence),
std::move(gpu_fence_handle));
}
std::unique_ptr<GLFenceWin> GLFenceWin::CreateFromGpuFence(
const gfx::GpuFence& gpu_fence) {
Microsoft::WRL::ComPtr<ID3D11Device> d3d11_device =
gl::QueryD3D11DeviceObjectFromANGLE();
return CreateFromGpuFence(d3d11_device.Get(), gpu_fence);
}
std::unique_ptr<GLFenceWin> GLFenceWin::CreateFromGpuFence(
ID3D11Device* d3d11_device,
const gfx::GpuFence& gpu_fence) {
Microsoft::WRL::ComPtr<ID3D11Device5> d3d11_device5;
HRESULT hr = d3d11_device->QueryInterface(IID_PPV_ARGS(&d3d11_device5));
if (FAILED(hr)) {
DLOG(ERROR) << "Unable to retrieve ID3D11Device5 interface "
<< logging::SystemErrorCodeToString(hr);
return nullptr;
}
gfx::GpuFenceHandle gpu_fence_handle = gpu_fence.GetGpuFenceHandle().Clone();
Microsoft::WRL::ComPtr<ID3D11Fence> d3d11_fence;
hr = d3d11_device5->OpenSharedFence(gpu_fence_handle.Peek(),
IID_PPV_ARGS(&d3d11_fence));
if (FAILED(hr)) {
DLOG(ERROR) << "Unable to open a shared fence "
<< logging::SystemErrorCodeToString(hr);
return nullptr;
}
return std::make_unique<GLFenceWin>(std::move(d3d11_fence),
std::move(gpu_fence_handle));
}
GLFenceWin::GLFenceWin(Microsoft::WRL::ComPtr<ID3D11Fence> d3d11_fence,
gfx::GpuFenceHandle gpu_fence_handle)
: d3d11_fence_(std::move(d3d11_fence)),
gpu_fence_handle_(std::move(gpu_fence_handle)) {}
GLFenceWin::~GLFenceWin() = default;
bool GLFenceWin::HasCompleted() {
NOTREACHED();
}
void GLFenceWin::ClientWait() {
NOTREACHED();
}
void GLFenceWin::ServerWait() {
Microsoft::WRL::ComPtr<ID3D11Device> d3d11_device;
d3d11_fence_->GetDevice(&d3d11_device);
Microsoft::WRL::ComPtr<ID3D11DeviceContext> d3d11_device_context;
d3d11_device->GetImmediateContext(&d3d11_device_context);
Microsoft::WRL::ComPtr<ID3D11DeviceContext4> d3d11_device_context4;
HRESULT hr = d3d11_device_context.As(&d3d11_device_context4);
if (FAILED(hr)) {
DLOG(ERROR) << "Unable to retrieve ID3D11DeviceContext4 interface "
<< logging::SystemErrorCodeToString(hr);
return;
}
hr = d3d11_device_context4->Wait(d3d11_fence_.Get(), 1);
if (FAILED(hr)) {
DLOG(ERROR) << "Unable to Wait on D3D11 fence "
<< logging::SystemErrorCodeToString(hr);
return;
}
}
std::unique_ptr<gfx::GpuFence> GLFenceWin::GetGpuFence() {
return std::make_unique<gfx::GpuFence>(gpu_fence_handle_.Clone());
}
} // namespace gl
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