113 lines
4.7 KiB
C++
113 lines
4.7 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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#ifndef SRC_DAWN_NATIVE_D3D12_PIPELINELAYOUTD3D12_H_
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#define SRC_DAWN_NATIVE_D3D12_PIPELINELAYOUTD3D12_H_
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#include <vector>
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#include "dawn/common/Constants.h"
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#include "dawn/common/ityp_array.h"
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#include "dawn/native/BindingInfo.h"
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#include "dawn/native/PipelineLayout.h"
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#include "dawn/native/d3d12/d3d12_platform.h"
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namespace dawn::native::d3d12 {
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class Device;
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class PipelineLayout final : public PipelineLayoutBase {
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public:
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static ResultOrError<Ref<PipelineLayout>> Create(Device* device,
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const PipelineLayoutDescriptor* descriptor);
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uint32_t GetCbvUavSrvRootParameterIndex(BindGroupIndex group) const;
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uint32_t GetSamplerRootParameterIndex(BindGroupIndex group) const;
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// Returns the index of the root parameter reserved for a dynamic buffer binding
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uint32_t GetDynamicRootParameterIndex(BindGroupIndex group, BindingIndex bindingIndex) const;
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uint32_t GetFirstIndexOffsetRegisterSpace() const;
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uint32_t GetFirstIndexOffsetShaderRegister() const;
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uint32_t GetFirstIndexOffsetParameterIndex() const;
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uint32_t GetNumWorkgroupsRegisterSpace() const;
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uint32_t GetNumWorkgroupsShaderRegister() const;
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uint32_t GetNumWorkgroupsParameterIndex() const;
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uint32_t GetDynamicStorageBufferLengthsRegisterSpace() const;
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uint32_t GetDynamicStorageBufferLengthsShaderRegister() const;
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uint32_t GetDynamicStorageBufferLengthsParameterIndex() const;
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ID3D12RootSignature* GetRootSignature() const;
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ID3DBlob* GetRootSignatureBlob() const;
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ID3D12CommandSignature* GetDispatchIndirectCommandSignatureWithNumWorkgroups();
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ID3D12CommandSignature* GetDrawIndirectCommandSignatureWithInstanceVertexOffsets();
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ID3D12CommandSignature* GetDrawIndexedIndirectCommandSignatureWithInstanceVertexOffsets();
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struct PerBindGroupDynamicStorageBufferLengthInfo {
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// First register offset for a bind group's dynamic storage buffer lengths.
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// This is the index into the array of root constants where this bind group's
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// lengths start.
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uint32_t firstRegisterOffset;
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struct BindingAndRegisterOffset {
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BindingNumber binding;
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uint32_t registerOffset;
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};
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// Associative list of (BindingNumber,registerOffset) pairs, which is passed into
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// the shader to map the BindingPoint(thisGroup, BindingNumber) to the registerOffset
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// into the root constant array which holds the dynamic storage buffer lengths.
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std::vector<BindingAndRegisterOffset> bindingAndRegisterOffsets;
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};
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// Flat map from bind group index to the list of (BindingNumber,Register) pairs.
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// Each pair is used in shader translation to
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using DynamicStorageBufferLengthInfo =
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ityp::array<BindGroupIndex, PerBindGroupDynamicStorageBufferLengthInfo, kMaxBindGroups>;
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const DynamicStorageBufferLengthInfo& GetDynamicStorageBufferLengthInfo() const;
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private:
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~PipelineLayout() override = default;
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using PipelineLayoutBase::PipelineLayoutBase;
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MaybeError Initialize();
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void DestroyImpl() override;
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ityp::array<BindGroupIndex, uint32_t, kMaxBindGroups> mCbvUavSrvRootParameterInfo;
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ityp::array<BindGroupIndex, uint32_t, kMaxBindGroups> mSamplerRootParameterInfo;
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ityp::array<BindGroupIndex,
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ityp::array<BindingIndex, uint32_t, kMaxDynamicBuffersPerPipelineLayout>,
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kMaxBindGroups>
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mDynamicRootParameterIndices;
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DynamicStorageBufferLengthInfo mDynamicStorageBufferLengthInfo;
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uint32_t mFirstIndexOffsetParameterIndex;
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uint32_t mNumWorkgroupsParameterIndex;
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uint32_t mDynamicStorageBufferLengthsParameterIndex;
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ComPtr<ID3D12RootSignature> mRootSignature;
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// Store the root signature blob to put in pipeline cachekey
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ComPtr<ID3DBlob> mRootSignatureBlob;
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ComPtr<ID3D12CommandSignature> mDispatchIndirectCommandSignatureWithNumWorkgroups;
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ComPtr<ID3D12CommandSignature> mDrawIndirectCommandSignatureWithInstanceVertexOffsets;
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ComPtr<ID3D12CommandSignature> mDrawIndexedIndirectCommandSignatureWithInstanceVertexOffsets;
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};
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} // namespace dawn::native::d3d12
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#endif // SRC_DAWN_NATIVE_D3D12_PIPELINELAYOUTD3D12_H_
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