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// 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 "common/WindowsUtils.h"
#include "dawn_native/Instance.h"
#include "dawn_native/d3d12/BackendD3D12.h"
#include "dawn_native/d3d12/D3D12Error.h"
#include "dawn_native/d3d12/DeviceD3D12.h"
#include "dawn_native/d3d12/PlatformFunctions.h"
#include <sstream>
namespace dawn_native { namespace d3d12 {
Adapter::Adapter(Backend* backend, ComPtr<IDXGIAdapter3> hardwareAdapter)
: AdapterBase(backend->GetInstance(), wgpu::BackendType::D3D12),
mHardwareAdapter(hardwareAdapter),
mBackend(backend) {
}
Adapter::~Adapter() {
CleanUpDebugLayerFilters();
}
bool Adapter::SupportsExternalImages() const {
// Via dawn_native::d3d12::ExternalImageDXGI::Create
return true;
}
const D3D12DeviceInfo& Adapter::GetDeviceInfo() const {
return mDeviceInfo;
}
IDXGIAdapter3* Adapter::GetHardwareAdapter() const {
return mHardwareAdapter.Get();
}
Backend* Adapter::GetBackend() const {
return mBackend;
}
ComPtr<ID3D12Device> Adapter::GetDevice() const {
return mD3d12Device;
}
const gpu_info::D3DDriverVersion& Adapter::GetDriverVersion() const {
return mDriverVersion;
}
MaybeError Adapter::InitializeImpl() {
// 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_INTERNAL_ERROR("D3D12CreateDevice failed");
}
DAWN_TRY(InitializeDebugLayerFilters());
DXGI_ADAPTER_DESC1 adapterDesc;
mHardwareAdapter->GetDesc1(&adapterDesc);
mPCIInfo.deviceId = adapterDesc.DeviceId;
mPCIInfo.vendorId = adapterDesc.VendorId;
mPCIInfo.name = WCharToUTF8(adapterDesc.Description);
DAWN_TRY_ASSIGN(mDeviceInfo, GatherDeviceInfo(*this));
if (adapterDesc.Flags & DXGI_ADAPTER_FLAG_SOFTWARE) {
mAdapterType = wgpu::AdapterType::CPU;
} else {
mAdapterType = (mDeviceInfo.isUMA) ? wgpu::AdapterType::IntegratedGPU
: wgpu::AdapterType::DiscreteGPU;
}
// Convert the adapter's D3D12 driver version to a readable string like "24.21.13.9793".
LARGE_INTEGER umdVersion;
if (mHardwareAdapter->CheckInterfaceSupport(__uuidof(IDXGIDevice), &umdVersion) !=
DXGI_ERROR_UNSUPPORTED) {
uint64_t encodedVersion = umdVersion.QuadPart;
std::ostringstream o;
o << "D3D12 driver version ";
for (size_t i = 0; i < mDriverVersion.size(); ++i) {
mDriverVersion[i] = (encodedVersion >> (48 - 16 * i)) & 0xFFFF;
o << mDriverVersion[i] << ".";
}
mDriverDescription = o.str();
}
return {};
}
bool Adapter::AreTimestampQueriesSupported() const {
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
ComPtr<ID3D12CommandQueue> d3d12CommandQueue;
HRESULT hr = mD3d12Device->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&d3d12CommandQueue));
if (FAILED(hr)) {
return false;
}
// GetTimestampFrequency returns an error HRESULT when there are bugs in Windows container
// and vGPU implementations.
uint64_t timeStampFrequency;
hr = d3d12CommandQueue->GetTimestampFrequency(&timeStampFrequency);
if (FAILED(hr)) {
return false;
}
return true;
}
MaybeError Adapter::InitializeSupportedFeaturesImpl() {
if (AreTimestampQueriesSupported()) {
mSupportedFeatures.EnableFeature(Feature::TimestampQuery);
}
mSupportedFeatures.EnableFeature(Feature::TextureCompressionBC);
mSupportedFeatures.EnableFeature(Feature::PipelineStatisticsQuery);
mSupportedFeatures.EnableFeature(Feature::MultiPlanarFormats);
return {};
}
MaybeError Adapter::InitializeSupportedLimitsImpl(CombinedLimits* limits) {
D3D12_FEATURE_DATA_D3D12_OPTIONS featureData = {};
DAWN_TRY(CheckHRESULT(mD3d12Device->CheckFeatureSupport(D3D12_FEATURE_D3D12_OPTIONS,
&featureData, sizeof(featureData)),
"CheckFeatureSupport D3D12_FEATURE_D3D12_OPTIONS"));
// Check if the device is at least D3D_FEATURE_LEVEL_11_1 or D3D_FEATURE_LEVEL_11_0
const D3D_FEATURE_LEVEL levelsToQuery[]{D3D_FEATURE_LEVEL_11_1, D3D_FEATURE_LEVEL_11_0};
D3D12_FEATURE_DATA_FEATURE_LEVELS featureLevels;
featureLevels.NumFeatureLevels = sizeof(levelsToQuery) / sizeof(D3D_FEATURE_LEVEL);
featureLevels.pFeatureLevelsRequested = levelsToQuery;
DAWN_TRY(
CheckHRESULT(mD3d12Device->CheckFeatureSupport(D3D12_FEATURE_FEATURE_LEVELS,
&featureLevels, sizeof(featureLevels)),
"CheckFeatureSupport D3D12_FEATURE_FEATURE_LEVELS"));
if (featureLevels.MaxSupportedFeatureLevel == D3D_FEATURE_LEVEL_11_0 &&
featureData.ResourceBindingTier < D3D12_RESOURCE_BINDING_TIER_2) {
return DAWN_VALIDATION_ERROR(
"At least Resource Binding Tier 2 is required for D3D12 Feature Level 11.0 "
"devices.");
}
GetDefaultLimits(&limits->v1);
// https://docs.microsoft.com/en-us/windows/win32/direct3d12/hardware-feature-levels
// Limits that are the same across D3D feature levels
limits->v1.maxTextureDimension1D = D3D12_REQ_TEXTURE1D_U_DIMENSION;
limits->v1.maxTextureDimension2D = D3D12_REQ_TEXTURE2D_U_OR_V_DIMENSION;
limits->v1.maxTextureDimension3D = D3D12_REQ_TEXTURE3D_U_V_OR_W_DIMENSION;
limits->v1.maxTextureArrayLayers = D3D12_REQ_TEXTURE2D_ARRAY_AXIS_DIMENSION;
// Slot values can be 0-15, inclusive:
// https://docs.microsoft.com/en-ca/windows/win32/api/d3d12/ns-d3d12-d3d12_input_element_desc
limits->v1.maxVertexBuffers = 16;
limits->v1.maxVertexAttributes = D3D12_IA_VERTEX_INPUT_RESOURCE_SLOT_COUNT;
// Note: WebGPU requires FL11.1+
// https://docs.microsoft.com/en-us/windows/win32/direct3d12/hardware-support
// Resource Binding Tier: 1 2 3
// Max(CBV+UAV+SRV) 1M 1M 1M+
// Max CBV per stage 14 14 full
// Max SRV per stage 128 full full
// Max UAV in all stages 64 64 full
// Max Samplers per stage 16 2048 2048
// https://docs.microsoft.com/en-us/windows-hardware/test/hlk/testref/efad06e8-51d1-40ce-ad5c-573a134b4bb6
// "full" means the full heap can be used. This is tested
// to work for 1 million descriptors, and 1.1M for tier 3.
uint32_t maxCBVsPerStage;
uint32_t maxSRVsPerStage;
uint32_t maxUAVsAllStages;
uint32_t maxSamplersPerStage;
switch (featureData.ResourceBindingTier) {
case D3D12_RESOURCE_BINDING_TIER_1:
maxCBVsPerStage = 14;
maxSRVsPerStage = 128;
maxUAVsAllStages = 64;
maxSamplersPerStage = 16;
break;
case D3D12_RESOURCE_BINDING_TIER_2:
maxCBVsPerStage = 14;
maxSRVsPerStage = 1'000'000;
maxUAVsAllStages = 64;
maxSamplersPerStage = 2048;
break;
case D3D12_RESOURCE_BINDING_TIER_3:
default:
maxCBVsPerStage = 1'100'000;
maxSRVsPerStage = 1'100'000;
maxUAVsAllStages = 1'100'000;
maxSamplersPerStage = 2048;
break;
}
ASSERT(maxUAVsAllStages / 4 > limits->v1.maxStorageTexturesPerShaderStage);
ASSERT(maxUAVsAllStages / 4 > limits->v1.maxStorageBuffersPerShaderStage);
uint32_t maxUAVsPerStage = maxUAVsAllStages / 2;
limits->v1.maxUniformBuffersPerShaderStage = maxCBVsPerStage;
// Allocate half of the UAVs to storage buffers, and half to storage textures.
limits->v1.maxStorageTexturesPerShaderStage = maxUAVsPerStage / 2;
limits->v1.maxStorageBuffersPerShaderStage = maxUAVsPerStage - maxUAVsPerStage / 2;
limits->v1.maxSampledTexturesPerShaderStage = maxSRVsPerStage;
limits->v1.maxSamplersPerShaderStage = maxSamplersPerStage;
// https://docs.microsoft.com/en-us/windows/win32/direct3d12/root-signature-limits
// In DWORDS. Descriptor tables cost 1, Root constants cost 1, Root descriptors cost 2.
static constexpr uint32_t kMaxRootSignatureSize = 64u;
// Dawn maps WebGPU's binding model by:
// - (maxBindGroups)
// CBVs/UAVs/SRVs for bind group are a root descriptor table
// - (maxBindGroups)
// Samplers for each bind group are a root descriptor table
// - (2 * maxDynamicBuffers)
// Each dynamic buffer is a root descriptor
// RESERVED:
// - 3 = max of:
// - 2 root constants for the baseVertex/baseInstance constants.
// - 3 root constants for num workgroups X, Y, Z
// - 4 root constants (kMaxDynamicStorageBuffersPerPipelineLayout) for dynamic storage
// buffer lengths.
static constexpr uint32_t kReservedSlots = 7;
// Available slots after base limits considered.
uint32_t availableRootSignatureSlots =
kMaxRootSignatureSize - kReservedSlots -
2 * (limits->v1.maxBindGroups + limits->v1.maxDynamicUniformBuffersPerPipelineLayout +
limits->v1.maxDynamicStorageBuffersPerPipelineLayout);
// Because we need either:
// - 1 cbv/uav/srv table + 1 sampler table
// - 2 slots for a root descriptor
uint32_t availableDynamicBufferOrBindGroup = availableRootSignatureSlots / 2;
// We can either have a bind group, a dyn uniform buffer or a dyn storage buffer.
// Distribute evenly.
limits->v1.maxBindGroups += availableDynamicBufferOrBindGroup / 3;
limits->v1.maxDynamicUniformBuffersPerPipelineLayout +=
availableDynamicBufferOrBindGroup / 3;
limits->v1.maxDynamicStorageBuffersPerPipelineLayout +=
(availableDynamicBufferOrBindGroup - 2 * (availableDynamicBufferOrBindGroup / 3));
ASSERT(2 * (limits->v1.maxBindGroups +
limits->v1.maxDynamicUniformBuffersPerPipelineLayout +
limits->v1.maxDynamicStorageBuffersPerPipelineLayout) <=
kMaxRootSignatureSize - kReservedSlots);
// https://docs.microsoft.com/en-us/windows/win32/direct3dhlsl/sm5-attributes-numthreads
limits->v1.maxComputeWorkgroupSizeX = D3D12_CS_THREAD_GROUP_MAX_X;
limits->v1.maxComputeWorkgroupSizeY = D3D12_CS_THREAD_GROUP_MAX_Y;
limits->v1.maxComputeWorkgroupSizeZ = D3D12_CS_THREAD_GROUP_MAX_Z;
limits->v1.maxComputeInvocationsPerWorkgroup = D3D12_CS_THREAD_GROUP_MAX_THREADS_PER_GROUP;
// https://docs.maxComputeWorkgroupSizeXmicrosoft.com/en-us/windows/win32/api/d3d12/ns-d3d12-d3d12_dispatch_arguments
limits->v1.maxComputeWorkgroupsPerDimension =
D3D12_CS_DISPATCH_MAX_THREAD_GROUPS_PER_DIMENSION;
// https://docs.microsoft.com/en-us/windows/win32/direct3d11/overviews-direct3d-11-devices-downlevel-compute-shaders
// Thread Group Shared Memory is limited to 16Kb on downlevel hardware. This is less than
// the 32Kb that is available to Direct3D 11 hardware. D3D12 is also 32kb.
limits->v1.maxComputeWorkgroupStorageSize = 32768;
// Max number of "constants" where each constant is a 16-byte float4
limits->v1.maxUniformBufferBindingSize = D3D12_REQ_CONSTANT_BUFFER_ELEMENT_COUNT * 16;
// D3D12 has no documented limit on the size of a storage buffer binding.
limits->v1.maxStorageBufferBindingSize = 4294967295;
// TODO(crbug.com/dawn/685):
// LIMITS NOT SET:
// - maxInterStageShaderComponents
// - maxVertexBufferArrayStride
return {};
}
MaybeError Adapter::InitializeDebugLayerFilters() {
if (!GetInstance()->IsBackendValidationEnabled()) {
return {};
}
D3D12_MESSAGE_ID denyIds[] = {
//
// Permanent IDs: list of warnings that are not applicable
//
// Resource sub-allocation partially maps pre-allocated heaps. This means the
// entire physical addresses space may have no resources or have many resources
// assigned the same heap.
D3D12_MESSAGE_ID_HEAP_ADDRESS_RANGE_HAS_NO_RESOURCE,
D3D12_MESSAGE_ID_HEAP_ADDRESS_RANGE_INTERSECTS_MULTIPLE_BUFFERS,
// The debug layer validates pipeline objects when they are created. Dawn validates
// them when them when they are set. Therefore, since the issue is caught at a later
// time, we can silence this warnings.
D3D12_MESSAGE_ID_CREATEGRAPHICSPIPELINESTATE_RENDERTARGETVIEW_NOT_SET,
// Adding a clear color during resource creation would require heuristics or delayed
// creation.
// https://crbug.com/dawn/418
D3D12_MESSAGE_ID_CLEARRENDERTARGETVIEW_MISMATCHINGCLEARVALUE,
D3D12_MESSAGE_ID_CLEARDEPTHSTENCILVIEW_MISMATCHINGCLEARVALUE,
// Dawn enforces proper Unmaps at a later time.
// https://crbug.com/dawn/422
D3D12_MESSAGE_ID_EXECUTECOMMANDLISTS_GPU_WRITTEN_READBACK_RESOURCE_MAPPED,
// WebGPU allows empty scissors without empty viewports.
D3D12_MESSAGE_ID_DRAW_EMPTY_SCISSOR_RECTANGLE,
//
// Temporary IDs: list of warnings that should be fixed or promoted
//
// Remove after warning have been addressed
// https://crbug.com/dawn/421
D3D12_MESSAGE_ID_GPU_BASED_VALIDATION_INCOMPATIBLE_RESOURCE_STATE,
// For small placed resource alignment, we first request the small alignment, which may
// get rejected and generate a debug error. Then, we request 0 to get the allowed
// allowed alignment.
D3D12_MESSAGE_ID_CREATERESOURCE_INVALIDALIGNMENT,
};
// Create a retrieval filter with a deny list to suppress messages.
// Any messages remaining will be converted to Dawn errors.
D3D12_INFO_QUEUE_FILTER filter{};
// Filter out info/message and only create errors from warnings or worse.
D3D12_MESSAGE_SEVERITY severities[] = {
D3D12_MESSAGE_SEVERITY_INFO,
D3D12_MESSAGE_SEVERITY_MESSAGE,
};
filter.DenyList.NumSeverities = ARRAYSIZE(severities);
filter.DenyList.pSeverityList = severities;
filter.DenyList.NumIDs = ARRAYSIZE(denyIds);
filter.DenyList.pIDList = denyIds;
ComPtr<ID3D12InfoQueue> infoQueue;
DAWN_TRY(CheckHRESULT(mD3d12Device.As(&infoQueue),
"D3D12 QueryInterface ID3D12Device to ID3D12InfoQueue"));
// To avoid flooding the console, a storage-filter is also used to
// prevent messages from getting logged.
DAWN_TRY(CheckHRESULT(infoQueue->PushStorageFilter(&filter),
"ID3D12InfoQueue::PushStorageFilter"));
DAWN_TRY(CheckHRESULT(infoQueue->PushRetrievalFilter(&filter),
"ID3D12InfoQueue::PushRetrievalFilter"));
return {};
}
void Adapter::CleanUpDebugLayerFilters() {
if (!GetInstance()->IsBackendValidationEnabled()) {
return;
}
// The device may not exist if this adapter failed to initialize.
if (mD3d12Device == nullptr) {
return;
}
// If the debug layer is not installed, return immediately to avoid crashing the process.
ComPtr<ID3D12InfoQueue> infoQueue;
if (FAILED(mD3d12Device.As(&infoQueue))) {
return;
}
infoQueue->PopRetrievalFilter();
infoQueue->PopStorageFilter();
}
ResultOrError<Ref<DeviceBase>> Adapter::CreateDeviceImpl(const DeviceDescriptor* descriptor) {
return Device::Create(this, descriptor);
}
// Resets the backend device and creates a new one. If any D3D12 objects belonging to the
// current ID3D12Device have not been destroyed, a non-zero value will be returned upon Reset()
// and the subequent call to CreateDevice will return a handle the existing device instead of
// creating a new one.
MaybeError Adapter::ResetInternalDeviceForTestingImpl() {
ASSERT(mD3d12Device.Reset() == 0);
DAWN_TRY(Initialize());
return {};
}
}} // namespace dawn_native::d3d12