87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
// Copyright 2017 The NXT 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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#ifndef BACKEND_D3D12_BUFFERD3D12_H_
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#define BACKEND_D3D12_BUFFERD3D12_H_
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#include "common/Buffer.h"
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#include "common/SerialQueue.h"
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#include "d3d12_platform.h"
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namespace backend {
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namespace d3d12 {
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class Device;
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class Buffer : public BufferBase {
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public:
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Buffer(Device* device, BufferBuilder* builder);
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~Buffer();
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uint32_t GetD3D12Size() const;
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ComPtr<ID3D12Resource> GetD3D12Resource();
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D3D12_GPU_VIRTUAL_ADDRESS GetVA() const;
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bool GetResourceTransitionBarrier(nxt::BufferUsageBit currentUsage, nxt::BufferUsageBit targetUsage, D3D12_RESOURCE_BARRIER* barrier);
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void OnMapReadCommandSerialFinished(uint32_t mapSerial, const void* data);
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private:
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Device* device;
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ComPtr<ID3D12Resource> resource;
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// NXT API
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void SetSubDataImpl(uint32_t start, uint32_t count, const uint32_t* data) override;
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void MapReadAsyncImpl(uint32_t serial, uint32_t start, uint32_t count) override;
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void UnmapImpl() override;
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void TransitionUsageImpl(nxt::BufferUsageBit currentUsage, nxt::BufferUsageBit targetUsage) override;
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};
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class BufferView : public BufferViewBase {
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public:
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BufferView(BufferViewBuilder* builder);
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uint32_t GetD3D12Size() const;
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const D3D12_CONSTANT_BUFFER_VIEW_DESC& GetCBVDescriptor() const;
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const D3D12_UNORDERED_ACCESS_VIEW_DESC& GetUAVDescriptor() const;
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private:
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D3D12_CONSTANT_BUFFER_VIEW_DESC cbvDesc;
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D3D12_UNORDERED_ACCESS_VIEW_DESC uavDesc;
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};
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class MapReadRequestTracker {
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public:
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MapReadRequestTracker(Device* device);
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~MapReadRequestTracker();
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void Track(Buffer* buffer, uint32_t mapSerial, const void* data);
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void Tick(Serial finishedSerial);
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private:
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Device* device;
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struct Request {
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Ref<Buffer> buffer;
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uint32_t mapSerial;
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const void* data;
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};
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SerialQueue<Request> inflightRequests;
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};
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}
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}
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#endif // BACKEND_D3D12_BUFFERD3D12_H_
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