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// Copyright 2017 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.
#ifndef DAWNNATIVE_D3D12_BUFFERD3D12_H_
#define DAWNNATIVE_D3D12_BUFFERD3D12_H_
#include "dawn_native/Buffer.h"
#include "dawn_native/d3d12/ResourceHeapAllocationD3D12.h"
#include "dawn_native/d3d12/d3d12_platform.h"
namespace dawn_native { namespace d3d12 {
class CommandRecordingContext;
class Device;
class Buffer final : public BufferBase {
public:
static ResultOrError<Ref<Buffer>> Create(Device* device,
const BufferDescriptor* descriptor);
ID3D12Resource* GetD3D12Resource() const;
D3D12_GPU_VIRTUAL_ADDRESS GetVA() const;
bool TrackUsageAndGetResourceBarrier(CommandRecordingContext* commandContext,
D3D12_RESOURCE_BARRIER* barrier,
wgpu::BufferUsage newUsage);
void TrackUsageAndTransitionNow(CommandRecordingContext* commandContext,
wgpu::BufferUsage newUsage);
bool CheckAllocationMethodForTesting(AllocationMethod allocationMethod) const;
bool CheckIsResidentForTesting() const;
MaybeError EnsureDataInitialized(CommandRecordingContext* commandContext);
MaybeError EnsureDataInitializedAsDestination(CommandRecordingContext* commandContext,
uint64_t offset,
uint64_t size);
MaybeError EnsureDataInitializedAsDestination(CommandRecordingContext* commandContext,
const CopyTextureToBufferCmd* copy);
private:
Buffer(Device* device, const BufferDescriptor* descriptor);
~Buffer() override;
MaybeError Initialize(bool mappedAtCreation);
MaybeError MapAsyncImpl(wgpu::MapMode mode, size_t offset, size_t size) override;
void UnmapImpl() override;
void DestroyImpl() override;
bool IsCPUWritableAtCreation() const override;
virtual MaybeError MapAtCreationImpl() override;
void* GetMappedPointerImpl() override;
MaybeError MapInternal(bool isWrite, size_t start, size_t end, const char* contextInfo);
bool TransitionUsageAndGetResourceBarrier(CommandRecordingContext* commandContext,
D3D12_RESOURCE_BARRIER* barrier,
wgpu::BufferUsage newUsage);
MaybeError InitializeToZero(CommandRecordingContext* commandContext);
MaybeError ClearBuffer(CommandRecordingContext* commandContext, uint8_t clearValue);
ResourceHeapAllocation mResourceAllocation;
bool mFixedResourceState = false;
wgpu::BufferUsage mLastUsage = wgpu::BufferUsage::None;
ExecutionSerial mLastUsedSerial = std::numeric_limits<ExecutionSerial>::max();
D3D12_RANGE mWrittenMappedRange = {0, 0};
void* mMappedData = nullptr;
};
}} // namespace dawn_native::d3d12
#endif // DAWNNATIVE_D3D12_BUFFERD3D12_H_