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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
// Copyright 2019 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "dawn_native/d3d12/AdapterD3D12.h"
#include "common/Constants.h"
#include "dawn_native/d3d12/BackendD3D12.h"
#include "dawn_native/d3d12/DeviceD3D12.h"
#include "dawn_native/d3d12/PlatformFunctions.h"
#include <locale>
namespace dawn_native { namespace d3d12 {
// utility wrapper to adapt locale-bound facets for wstring/wbuffer convert
template <class Facet>
struct DeletableFacet : Facet {
template <class... Args>
DeletableFacet(Args&&... args) : Facet(std::forward<Args>(args)...) {
}
~DeletableFacet() {
}
};
Adapter::Adapter(Backend* backend, ComPtr<IDXGIAdapter1> hardwareAdapter)
: AdapterBase(backend->GetInstance(), BackendType::D3D12),
mHardwareAdapter(hardwareAdapter),
mBackend(backend) {
}
const D3D12DeviceInfo& Adapter::GetDeviceInfo() const {
return mDeviceInfo;
}
IDXGIAdapter1* Adapter::GetHardwareAdapter() const {
return mHardwareAdapter.Get();
}
Backend* Adapter::GetBackend() const {
return mBackend;
}
ComPtr<ID3D12Device> Adapter::GetDevice() const {
return mD3d12Device;
}
MaybeError Adapter::Initialize() {
// D3D12 cannot check for feature support without a device.
// Create the device to populate the adapter properties then reuse it when needed for actual
// rendering.
const PlatformFunctions* functions = GetBackend()->GetFunctions();
if (FAILED(functions->d3d12CreateDevice(GetHardwareAdapter(), D3D_FEATURE_LEVEL_11_0,
_uuidof(ID3D12Device), &mD3d12Device))) {
return DAWN_CONTEXT_LOST_ERROR("D3D12CreateDevice failed");
}
DAWN_TRY_ASSIGN(mDeviceInfo, GatherDeviceInfo(*this));
DXGI_ADAPTER_DESC1 adapterDesc;
mHardwareAdapter->GetDesc1(&adapterDesc);
mPCIInfo.deviceId = adapterDesc.DeviceId;
mPCIInfo.vendorId = adapterDesc.VendorId;
if (adapterDesc.Flags & DXGI_ADAPTER_FLAG_SOFTWARE) {
mDeviceType = DeviceType::CPU;
} else {
mDeviceType = (mDeviceInfo.isUMA) ? DeviceType::IntegratedGPU : DeviceType::DiscreteGPU;
}
std::wstring_convert<DeletableFacet<std::codecvt<wchar_t, char, std::mbstate_t>>> converter(
"Error converting");
mPCIInfo.name = converter.to_bytes(adapterDesc.Description);
return {};
}
ResultOrError<DeviceBase*> Adapter::CreateDeviceImpl(const DeviceDescriptor* descriptor) {
std::unique_ptr<Device> device = std::make_unique<Device>(this, descriptor);
DAWN_TRY(device->Initialize());
return device.release();
}
}} // namespace dawn_native::d3d12
|
