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// Copyright 2020 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/QuerySetD3D12.h"
#include "dawn_native/d3d12/D3D12Error.h"
#include "dawn_native/d3d12/DeviceD3D12.h"
namespace dawn_native { namespace d3d12 {
namespace {
D3D12_QUERY_HEAP_TYPE D3D12QueryHeapType(wgpu::QueryType type) {
switch (type) {
case wgpu::QueryType::Occlusion:
return D3D12_QUERY_HEAP_TYPE_OCCLUSION;
case wgpu::QueryType::PipelineStatistics:
return D3D12_QUERY_HEAP_TYPE_PIPELINE_STATISTICS;
case wgpu::QueryType::Timestamp:
return D3D12_QUERY_HEAP_TYPE_TIMESTAMP;
}
}
} // anonymous namespace
// static
ResultOrError<Ref<QuerySet>> QuerySet::Create(Device* device,
const QuerySetDescriptor* descriptor) {
Ref<QuerySet> querySet = AcquireRef(new QuerySet(device, descriptor));
DAWN_TRY(querySet->Initialize());
return querySet;
}
MaybeError QuerySet::Initialize() {
D3D12_QUERY_HEAP_DESC queryHeapDesc = {};
queryHeapDesc.Type = D3D12QueryHeapType(GetQueryType());
queryHeapDesc.Count = GetQueryCount();
ID3D12Device* d3d12Device = ToBackend(GetDevice())->GetD3D12Device();
return CheckOutOfMemoryHRESULT(
d3d12Device->CreateQueryHeap(&queryHeapDesc, IID_PPV_ARGS(&mQueryHeap)),
"ID3D12Device::CreateQueryHeap");
}
ID3D12QueryHeap* QuerySet::GetQueryHeap() const {
return mQueryHeap.Get();
}
QuerySet::~QuerySet() {
DestroyInternal();
}
void QuerySet::DestroyImpl() {
ToBackend(GetDevice())->ReferenceUntilUnused(mQueryHeap);
}
}} // namespace dawn_native::d3d12