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https://github.com/PixarAnimationStudios/OpenSubdiv
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Copyright 2013 Pixar
Licensed under the Apache License, Version 2.0 (the "Apache License")
with the following modification; you may not use this file except in
compliance with the Apache License and the following modification to it:
Section 6. Trademarks. is deleted and replaced with:
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor
and its affiliates, except as required to comply with Section 4(c) of
the License and to reproduce the content of the NOTICE file.
You may obtain a copy of the Apache License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the Apache License with the above modification is
distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the Apache License for the specific
language governing permissions and limitations under the Apache License.
377 lines
12 KiB
C++
377 lines
12 KiB
C++
//
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// Copyright 2013 Pixar
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//
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// Licensed under the Apache License, Version 2.0 (the "Apache License")
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// with the following modification; you may not use this file except in
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// compliance with the Apache License and the following modification to it:
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// Section 6. Trademarks. is deleted and replaced with:
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//
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// 6. Trademarks. This License does not grant permission to use the trade
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// names, trademarks, service marks, or product names of the Licensor
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// and its affiliates, except as required to comply with Section 4(c) of
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// the License and to reproduce the content of the NOTICE file.
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//
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// You may obtain a copy of the Apache 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 Apache License with the above modification is
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// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the Apache License for the specific
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// language governing permissions and limitations under the Apache License.
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//
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#include "../osd/debug.h"
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#include "../osd/error.h"
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#include "../osd/d3d11KernelBundle.h"
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#define INITGUID // for IID_ID3D11ShaderReflection
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#include <D3D11.h>
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#include <D3D11shader.h>
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#include <D3Dcompiler.h>
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#include <cassert>
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#include <cstring>
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#include <sstream>
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#include <string>
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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static const char *shaderSource =
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#include "../osd/hlslComputeKernel.inc"
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;
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#define SAFE_RELEASE(p) { if(p) { (p)->Release(); (p)=NULL; } }
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OsdD3D11ComputeKernelBundle::OsdD3D11ComputeKernelBundle(
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ID3D11DeviceContext * deviceContext) :
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_deviceContext(deviceContext),
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_computeShader(0),
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_classLinkage(0),
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_kernelCB(0),
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_kernelComputeFace(0),
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_kernelComputeEdge(0),
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_kernelComputeBilinearEdge(0),
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_kernelComputeVertex(0),
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_kernelComputeVertexA(0),
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_kernelComputeCatmarkVertexB(0),
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_kernelComputeLoopVertexB(0),
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_kernelEditAdd(0) {
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// XXX: too rough!
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_workGroupSize = 64;
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}
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OsdD3D11ComputeKernelBundle::~OsdD3D11ComputeKernelBundle() {
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SAFE_RELEASE(_computeShader);
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SAFE_RELEASE(_classLinkage);
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SAFE_RELEASE(_kernelCB);
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SAFE_RELEASE(_kernelComputeFace);
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SAFE_RELEASE(_kernelComputeEdge);
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SAFE_RELEASE(_kernelComputeBilinearEdge);
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SAFE_RELEASE(_kernelComputeVertex);
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SAFE_RELEASE(_kernelComputeVertexA);
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SAFE_RELEASE(_kernelComputeCatmarkVertexB);
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SAFE_RELEASE(_kernelComputeLoopVertexB);
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SAFE_RELEASE(_kernelEditAdd);
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}
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bool
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OsdD3D11ComputeKernelBundle::Compile(int numVertexElements,
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int numVaryingElements) {
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_vdesc.Set( numVertexElements, numVaryingElements );
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DWORD dwShaderFlags = D3DCOMPILE_ENABLE_STRICTNESS;
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#ifdef _DEBUG
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dwShaderFlags |= D3DCOMPILE_DEBUG;
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#endif
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std::ostringstream ss;
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ss << numVertexElements;
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std::string numVertexElementsStr(ss.str());
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ss.str("");
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ss << numVaryingElements;
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std::string numVaryingElementsStr(ss.str());
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ss.str("");
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ss << _workGroupSize;
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std::string workGroupSizeStr(ss.str());
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D3D_SHADER_MACRO shaderDefines[] = {
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"NUM_VERTEX_ELEMENTS", numVertexElementsStr.c_str(),
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"NUM_VARYING_ELEMENTS", numVaryingElementsStr.c_str(),
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"WORK_GROUP_SIZE", workGroupSizeStr.c_str(),
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0, 0
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};
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ID3DBlob* pComputeShaderBuffer = NULL;
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ID3DBlob* pErrorBuffer = NULL;
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HRESULT hr = D3DCompile(shaderSource, strlen(shaderSource),
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NULL, &shaderDefines[0], NULL,
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"cs_main", "cs_5_0",
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dwShaderFlags, 0,
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&pComputeShaderBuffer, &pErrorBuffer);
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if (FAILED(hr)) {
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if (pErrorBuffer != NULL) {
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OsdError(OSD_D3D11_COMPILE_ERROR,
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"Error compiling HLSL shader: %s\n",
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(CHAR*)pErrorBuffer->GetBufferPointer());
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pErrorBuffer->Release();
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return false;
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}
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}
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ID3D11Device *device = NULL;
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_deviceContext->GetDevice(&device);
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assert(device);
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device->CreateClassLinkage(&_classLinkage);
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assert(_classLinkage);
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device->CreateComputeShader(pComputeShaderBuffer->GetBufferPointer(),
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pComputeShaderBuffer->GetBufferSize(),
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_classLinkage,
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&_computeShader);
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assert(_computeShader);
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ID3D11ShaderReflection *reflector;
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D3DReflect(pComputeShaderBuffer->GetBufferPointer(),
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pComputeShaderBuffer->GetBufferSize(),
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IID_ID3D11ShaderReflection, (void**) &reflector);
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assert(reflector);
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assert(reflector->GetNumInterfaceSlots() == 1);
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reflector->Release();
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pComputeShaderBuffer->Release();
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_classLinkage->GetClassInstance(
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"catmarkComputeFace", 0, &_kernelComputeFace);
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assert(_kernelComputeFace);
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_classLinkage->GetClassInstance(
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"catmarkComputeEdge", 0, &_kernelComputeEdge);
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assert(_kernelComputeEdge);
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_classLinkage->GetClassInstance(
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"bilinearComputeEdge", 0, &_kernelComputeBilinearEdge);
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assert(_kernelComputeBilinearEdge);
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_classLinkage->GetClassInstance(
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"bilinearComputeVertex", 0, &_kernelComputeVertex);
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assert(_kernelComputeVertex);
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_classLinkage->GetClassInstance(
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"catmarkComputeVertexA", 0, &_kernelComputeVertexA);
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assert(_kernelComputeVertexA);
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_classLinkage->GetClassInstance(
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"catmarkComputeVertexB", 0, &_kernelComputeCatmarkVertexB);
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assert(_kernelComputeCatmarkVertexB);
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_classLinkage->GetClassInstance(
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"loopComputeVertexB", 0, &_kernelComputeLoopVertexB);
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assert(_kernelComputeLoopVertexB);
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_classLinkage->GetClassInstance(
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"editAdd", 0, &_kernelEditAdd);
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assert(_kernelEditAdd);
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return true;
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}
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// must match constant buffer declaration in hlslComputeKernel.hlsl
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__declspec(align(16))
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struct OsdD3D11ComputeKernelBundle::KernelCB {
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int vertexOffset; // vertex index offset for the batch
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int tableOffset; // offset of subdivision table
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int indexStart; // start index relative to tableOffset
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int indexEnd; // end index relative to tableOffset
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BOOL vertexPass; // 4-byte bool
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// vertex edit kernel
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int editPrimVarOffset;
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int editPrimVarWidth;
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};
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void
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OsdD3D11ComputeKernelBundle::dispatchCompute(
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ID3D11ClassInstance * kernel, KernelCB const & args) {
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int count = args.indexEnd - args.indexStart;
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if (count <= 0) return;
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if (! _kernelCB) {
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ID3D11Device *device = NULL;
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_deviceContext->GetDevice(&device);
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assert(device);
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D3D11_BUFFER_DESC cbDesc;
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ZeroMemory(&cbDesc, sizeof(cbDesc));
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cbDesc.Usage = D3D11_USAGE_DYNAMIC;
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cbDesc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
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cbDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
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cbDesc.MiscFlags = 0;
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cbDesc.ByteWidth = sizeof(KernelCB);
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device->CreateBuffer(&cbDesc, NULL, &_kernelCB);
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}
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assert(_kernelCB);
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D3D11_MAPPED_SUBRESOURCE MappedResource;
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_deviceContext->Map(_kernelCB, 0, D3D11_MAP_WRITE_DISCARD, 0, &MappedResource);
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CopyMemory(MappedResource.pData, &args, sizeof(KernelCB));
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_deviceContext->Unmap(_kernelCB, 0);
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_deviceContext->CSSetConstantBuffers(0, 1, &_kernelCB); // b0
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_deviceContext->CSSetShader(_computeShader, &kernel, 1);
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_deviceContext->Dispatch(count/_workGroupSize + 1, 1, 1);
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}
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void
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OsdD3D11ComputeKernelBundle::ApplyBilinearFaceVerticesKernel(
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int vertexOffset, int tableOffset, int start, int end) {
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KernelCB args;
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ZeroMemory(&args, sizeof(args));
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args.vertexOffset = vertexOffset;
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args.tableOffset = tableOffset;
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args.indexStart = start;
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args.indexEnd = end;
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dispatchCompute(_kernelComputeFace, args);
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}
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void
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OsdD3D11ComputeKernelBundle::ApplyBilinearEdgeVerticesKernel(
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int vertexOffset, int tableOffset, int start, int end) {
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KernelCB args;
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ZeroMemory(&args, sizeof(args));
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args.vertexOffset = vertexOffset;
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args.tableOffset = tableOffset;
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args.indexStart = start;
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args.indexEnd = end;
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dispatchCompute(_kernelComputeBilinearEdge, args);
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}
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void
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OsdD3D11ComputeKernelBundle::ApplyBilinearVertexVerticesKernel(
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int vertexOffset, int tableOffset, int start, int end) {
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KernelCB args;
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ZeroMemory(&args, sizeof(args));
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args.vertexOffset = vertexOffset;
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args.tableOffset = tableOffset;
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args.indexStart = start;
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args.indexEnd = end;
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dispatchCompute(_kernelComputeVertex, args);
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}
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void
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OsdD3D11ComputeKernelBundle::ApplyCatmarkFaceVerticesKernel(
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int vertexOffset, int tableOffset, int start, int end) {
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KernelCB args;
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ZeroMemory(&args, sizeof(args));
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args.vertexOffset = vertexOffset;
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args.tableOffset = tableOffset;
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args.indexStart = start;
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args.indexEnd = end;
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dispatchCompute(_kernelComputeFace, args);
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}
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void
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OsdD3D11ComputeKernelBundle::ApplyCatmarkEdgeVerticesKernel(
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int vertexOffset, int tableOffset, int start, int end) {
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KernelCB args;
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ZeroMemory(&args, sizeof(args));
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args.vertexOffset = vertexOffset;
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args.tableOffset = tableOffset;
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args.indexStart = start;
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args.indexEnd = end;
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dispatchCompute(_kernelComputeEdge, args);
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}
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void
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OsdD3D11ComputeKernelBundle::ApplyCatmarkVertexVerticesKernelB(
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int vertexOffset, int tableOffset, int start, int end) {
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KernelCB args;
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ZeroMemory(&args, sizeof(args));
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args.vertexOffset = vertexOffset;
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args.tableOffset = tableOffset;
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args.indexStart = start;
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args.indexEnd = end;
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dispatchCompute(_kernelComputeCatmarkVertexB, args);
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}
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void
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OsdD3D11ComputeKernelBundle::ApplyCatmarkVertexVerticesKernelA(
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int vertexOffset, int tableOffset, int start, int end, bool pass) {
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KernelCB args;
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ZeroMemory(&args, sizeof(args));
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args.vertexOffset = vertexOffset;
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args.tableOffset = tableOffset;
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args.indexStart = start;
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args.indexEnd = end;
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args.vertexPass = pass ? 1 : 0;
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dispatchCompute(_kernelComputeVertexA, args);
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}
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void
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OsdD3D11ComputeKernelBundle::ApplyLoopEdgeVerticesKernel(
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int vertexOffset, int tableOffset, int start, int end) {
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KernelCB args;
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ZeroMemory(&args, sizeof(args));
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args.vertexOffset = vertexOffset;
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args.tableOffset = tableOffset;
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args.indexStart = start;
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args.indexEnd = end;
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dispatchCompute(_kernelComputeEdge, args);
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}
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void
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OsdD3D11ComputeKernelBundle::ApplyLoopVertexVerticesKernelB(
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int vertexOffset, int tableOffset, int start, int end) {
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KernelCB args;
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ZeroMemory(&args, sizeof(args));
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args.vertexOffset = vertexOffset;
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args.tableOffset = tableOffset;
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args.indexStart = start;
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args.indexEnd = end;
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dispatchCompute(_kernelComputeLoopVertexB, args);
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}
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void
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OsdD3D11ComputeKernelBundle::ApplyLoopVertexVerticesKernelA(
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int vertexOffset, int tableOffset, int start, int end, bool pass) {
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KernelCB args;
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ZeroMemory(&args, sizeof(args));
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args.vertexOffset = vertexOffset;
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args.tableOffset = tableOffset;
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args.indexStart = start;
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args.indexEnd = end;
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args.vertexPass = pass ? 1 : 0;
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dispatchCompute(_kernelComputeVertexA, args);
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}
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void
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OsdD3D11ComputeKernelBundle::ApplyEditAdd(
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int primvarOffset, int primvarWidth,
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int vertexOffset, int tableOffset, int start, int end) {
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KernelCB args;
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ZeroMemory(&args, sizeof(args));
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args.vertexOffset = vertexOffset;
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args.tableOffset = tableOffset;
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args.indexStart = start;
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args.indexEnd = end;
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args.editPrimVarOffset = primvarOffset;
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args.editPrimVarWidth = primvarWidth;
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dispatchCompute(_kernelEditAdd, args);
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}
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} // end namespace OPENSUBDIV_VERSION
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} // end namespace OpenSubdiv
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