mirror of
https://github.com/encounter/dawn-cmake.git
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8b07e43dad
This is needed to implement the timeline fence signal tracker in the frontend Bug: dawn:26 Change-Id: Id6eb2afb81385de5093b57c5cb23ace93c8aab1b Reviewed-on: https://dawn-review.googlesource.com/c/2741 Reviewed-by: Kai Ninomiya <kainino@chromium.org> Commit-Queue: Austin Eng <enga@chromium.org>
78 lines
2.9 KiB
C++
78 lines
2.9 KiB
C++
// Copyright 2017 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "dawn_native/d3d12/ResourceAllocator.h"
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#include "dawn_native/d3d12/DeviceD3D12.h"
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namespace dawn_native { namespace d3d12 {
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namespace {
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static constexpr D3D12_HEAP_PROPERTIES kDefaultHeapProperties = {
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D3D12_HEAP_TYPE_DEFAULT, D3D12_CPU_PAGE_PROPERTY_UNKNOWN, D3D12_MEMORY_POOL_UNKNOWN, 0,
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0};
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static constexpr D3D12_HEAP_PROPERTIES kUploadHeapProperties = {
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D3D12_HEAP_TYPE_UPLOAD, D3D12_CPU_PAGE_PROPERTY_UNKNOWN, D3D12_MEMORY_POOL_UNKNOWN, 0,
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0};
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static constexpr D3D12_HEAP_PROPERTIES kReadbackHeapProperties = {
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D3D12_HEAP_TYPE_READBACK, D3D12_CPU_PAGE_PROPERTY_UNKNOWN, D3D12_MEMORY_POOL_UNKNOWN, 0,
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0};
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} // namespace
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ResourceAllocator::ResourceAllocator(Device* device) : mDevice(device) {
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}
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ComPtr<ID3D12Resource> ResourceAllocator::Allocate(
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D3D12_HEAP_TYPE heapType,
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const D3D12_RESOURCE_DESC& resourceDescriptor,
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D3D12_RESOURCE_STATES initialUsage) {
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const D3D12_HEAP_PROPERTIES* heapProperties = nullptr;
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switch (heapType) {
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case D3D12_HEAP_TYPE_DEFAULT:
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heapProperties = &kDefaultHeapProperties;
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break;
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case D3D12_HEAP_TYPE_UPLOAD:
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heapProperties = &kUploadHeapProperties;
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break;
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case D3D12_HEAP_TYPE_READBACK:
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heapProperties = &kReadbackHeapProperties;
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break;
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default:
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UNREACHABLE();
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}
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ComPtr<ID3D12Resource> resource;
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// TODO(enga@google.com): Use CreatePlacedResource
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ASSERT_SUCCESS(mDevice->GetD3D12Device()->CreateCommittedResource(
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heapProperties, D3D12_HEAP_FLAG_NONE, &resourceDescriptor, initialUsage, nullptr,
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IID_PPV_ARGS(&resource)));
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return resource;
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}
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void ResourceAllocator::Release(ComPtr<ID3D12Resource> resource) {
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// Resources may still be in use on the GPU. Enqueue them so that we hold onto them until
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// GPU execution has completed
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mReleasedResources.Enqueue(resource, mDevice->GetPendingCommandSerial());
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}
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void ResourceAllocator::Tick(uint64_t lastCompletedSerial) {
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mReleasedResources.ClearUpTo(lastCompletedSerial);
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}
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}} // namespace dawn_native::d3d12
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