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012f47c1-31bc-4255-bc90-21c84cbd0eb6.mop
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{
"Name": "EnvIS",
"_id": "012f47c1-31bc-4255-bc90-21c84cbd0eb6",
"Namespace": "user.cynic",
"Description": "environment imporance sampling test",
"Inputs": [
{
"Name": "Code",
"MetaInstanceID": "cb9db90d-2a46-4748-af34-9527917b1f02",
"DefaultValue": {
"Type": "Text",
"Value": [
"\r",
"//>>> SumRows\r",
"Texture2D inputImage : register (t0);\r",
"RWTexture2D<float> summedRows : register (u0);\r",
"\r",
"\r",
"[numthreads(1, 128, 1)]\r",
"void ClearSumBuffer(uint3 threadID : SV_DispatchThreadID)\r",
"{\r",
" summedRows[threadID.xy] = 0;\r",
"}\r",
"\r",
"[numthreads(1, 128, 1)]\r",
"void SumRows(uint3 threadID : SV_DispatchThreadID)\r",
"{\r",
" float sum = 0;\r",
" uint width, height;\r",
" inputImage.GetDimensions(width, height);\r",
"\r",
" // first get sum of row\r",
" for (uint x = 0; x < width; ++x)\r",
" {\r",
" sum += inputImage[uint2(x, threadID.y)].r;\r",
" }\r",
" summedRows[uint2(width + 1, threadID.y)] = sum;\r",
" \r",
" float sumReciproc = (sum == 0.0f) ? 0 : 1.0f/sum;\r",
" float summedUp = 0;\r",
" // now sum up, scale by overall sum and store\r",
" for (uint x2 = 0; x2 < width; ++x2)\r",
" {\r",
" summedUp += inputImage[uint2(x2, threadID.y)].r*sumReciproc;\r",
" summedRows[uint2(x2, threadID.y)].r = summedUp;\r",
" }\r",
" summedRows[uint2(width, threadID.y)] = 1.0f;\r}\r",
"//<<< SumRows\r",
"\r",
"//>>> SumColumn\r",
"Texture2D inputSummedRows : register (t1);\r",
"RWTexture2D<float> summedColumn : register (u1);\r",
"\r",
"[numthreads(1, 1, 1)]\r",
"void SumColumn(uint3 threadID : SV_DispatchThreadID)\r",
"{\r",
" float sum = 0;\r",
" uint width, height;\r",
" inputSummedRows.GetDimensions(width, height);\r",
"\r",
" // first get sum of row\r",
" for (uint y = 0; y < height; ++y)\r",
" {\r",
" sum += inputSummedRows[uint2(width - 1, y)].r;\r",
" }\r",
" summedColumn[int2(0, height + 1)] = sum;\r",
" \r",
" float sumReciproc = (sum == 0.0f) ? 0 : 1.0f/sum;\r",
" float summedUp = 0;\r",
" // now sum up, scale by overall sum and store\r",
" for (uint y2 = 0; y2 < height; ++y2)\r",
" {\r",
" summedUp += inputSummedRows[uint2(width - 1, y2)].r*sumReciproc;\r",
" summedColumn[int2(0, y2)].r = summedUp;\r",
" }\r",
" summedColumn[int2(0, height)] = 1.0f;\r",
"}\r",
"//<<< SumColumn\r",
"\r",
"\r",
"//>>> GUVP\r",
"float radicalInverse_VdC(uint bits) \r",
"{\r",
" bits = (bits << 16u) | (bits >> 16u);\r",
" bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);\r",
" bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);\r",
" bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);\r",
" bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);\r",
" return float(bits) * 2.3283064365386963e-10; // / 0x100000000\r",
"}\r",
"\r",
"\r",
"float2 hammersley2d(uint i, uint N) \r",
"{\r",
" return float2(float(i)/float(N), radicalInverse_VdC(i));\r",
"}\r",
"\r",
"int NumSamples;\r",
"Texture2D<float> cdfRows : register (t2);\r",
"Texture2D<float> cdfColumn : register (t3);\r",
"RWByteAddressBuffer outputSampleBuffer : register (u2);\r",
"\r",
"[numthreads(256,1,1)]\r",
"void GenerateUVPositions(uint3 threadID : SV_DispatchThreadID)\r",
"{\r",
" uint rowWidth, columnHeight;\r",
" cdfRows.GetDimensions(rowWidth, columnHeight);\r",
" rowWidth -= 2; columnHeight -= 2;\r",
" float2 prob = hammersley2d(threadID.x, NumSamples);\r",
" // use prob.x to find pos in cdf column\r",
" uint index = columnHeight/2; \r",
" \r",
" uint left = 0;\r",
" uint right = columnHeight;\r",
" uint steps = log2(columnHeight) + 1;\r",
" for (uint j = 0; j < steps; ++j)\r",
" {\r",
" uint middle = left + (right - left)/2;\r",
" float cdfSegStart = cdfColumn[uint2(0, middle)].x;\r",
" float cdfSegEnd = cdfColumn[uint2(0, middle + 1)].x;\r",
" if (!((prob.x >= cdfSegStart) && (prob.x <= cdfSegEnd)))\r",
" {\r",
" if (prob.x < cdfSegStart)\r",
" {\r",
" right = middle;\r",
" }\r",
" else\r",
" {\r",
" left = middle + 1;\r",
" } \r",
" }\r",
" else\r",
" {\r",
" index = middle;\r",
" }\r",
" }\r",
" uint rowIndex = index;\r",
"\r",
" // now search cdf row for x index\r",
" left = 0;\r",
" right = rowWidth;\r",
" steps = log2(rowWidth) + 1;\r",
" for (uint i = 0; i < steps; ++i)\r",
" {\r",
" uint middle = left + (right - left)/2;\r",
" float cdfSegStart = cdfRows[uint2(middle, rowIndex)].x;\r",
" float cdfSegEnd = cdfRows[uint2(middle + 1, rowIndex)].x;\r",
" if (!((prob.y >= cdfSegStart) && (prob.y <= cdfSegEnd)))\r",
" {\r",
" if (prob.y < cdfSegStart)\r",
" {\r",
" right = middle;\r",
" }\r",
" else\r",
" {\r",
" left = middle + 1;\r",
" } \r",
" }\r",
" else\r",
" {\r",
" index = middle;\r",
" }\r",
" }\r",
" uint columnIndex = index;\r",
" \r",
" float2 samplePosInUV = float2(float(columnIndex)/float(columnHeight), float(rowIndex)/float(rowWidth));\r",
" index = threadID.x*8;\r",
" outputSampleBuffer.Store2(index, asint(samplePosInUV));\r",
"\r",
"}\r",
"//<<< GUVP\r",
"\r",
"//>>> GWP\r",
"ByteAddressBuffer inputSampleBuffer : register (t4);\r",
"Texture2D inputMeshPositions : register (t5);\r",
"Texture2D inputMeshNormals : register (t6);\r",
"RWByteAddressBuffer outputWorldPosBuffer : register (u3);\r",
"\r",
"[numthreads(256, 1, 1)]\r",
"void GenerateWorldPositions(uint3 threadID : SV_DispatchThreadID)\r",
"{\r",
" uint width, height;\r",
" inputMeshPositions.GetDimensions(width, height);\r",
"\r",
" uint inputIndex = threadID.x*8; // 2 floats\r",
" float2 pos = asfloat(inputSampleBuffer.Load2(inputIndex));\r",
"\r",
" float3 worldPos = inputMeshPositions[uint2(pos.x*width, (1.0f - pos.y)*height)].xyz;\r",
" float3 worldNormal = inputMeshNormals[uint2(pos.x*width, (1.0f - pos.y)*height)].xyz;\r",
" worldNormal = normalize(worldNormal);\r",
" \r",
" uint outputIndex = threadID.x*64; \r",
" \r",
" float3 up = abs(worldNormal.z) < 0.999 ? float3(0,0,1) : float3(1,0,0); \r",
" float3 xDir = normalize(cross(worldNormal.xyz, up));\r",
" outputWorldPosBuffer.Store4(outputIndex, asint(float4(xDir, 0)));\r",
" outputIndex += 16;\r",
"\r",
" float3 yDir = normalize(cross(worldNormal, xDir));\r",
" outputWorldPosBuffer.Store4(outputIndex, asint(float4(yDir, 0)));\r",
" outputIndex += 16;\r",
"\r",
" outputWorldPosBuffer.Store4(outputIndex, asint(float4(worldNormal, 0)));\r",
" outputIndex += 16;\r",
"\r",
" outputWorldPosBuffer.Store4(outputIndex, asint(float4(worldPos,1))); \r",
"}\r",
"//<<< GWP\r",
"\r",
"\r",
"//>>> VisuSums\r",
"RWTexture2D<float4> Output2 : register (u7);\r",
"\r",
"[numthreads(32, 32, 1)]\r",
"void ClearVisuBuffer(uint3 threadID : SV_DispatchThreadID)\r",
"{\r",
" Output2[threadID.xy] = float4(0,0,0,1);\r",
"}\r",
"\r",
"\r",
"[numthreads(256, 1, 1)]\r",
"void VisualizeSumBuffer(uint3 threadID : SV_DispatchThreadID)\r",
"{\r",
" uint width, height;\r",
" Output2.GetDimensions(width, height);\r",
"\r",
" uint index = threadID.x*8;\r",
" float2 pos = asfloat(inputSampleBuffer.Load2(index));\r",
" Output2[uint2(pos.x*width, pos.y*height)] = float4(0, 0.5, 0, 1);\r",
"}\r",
"//<<< VisuSums\r",
""
]
},
"MetaID": "c522a66e-3260-4692-b3e3-79fd0361fa3d",
"IsMultiInput": "False",
"Relevance": "Optional",
"Description": "",
"Min": "-100000",
"Max": "100000",
"Scale": "0.1",
"ScaleType": "Linear",
"EnumValues": []
},
{
"Name": "Intensity",
"MetaInstanceID": "34e49ad4-9921-4cbe-99fe-928474789538",
"DefaultValue": {
"Type": "Image",
"Value": "Framefield.Core.Image"
},
"MetaID": "9848060d-fd84-45b0-b658-d0d531c61dab",
"IsMultiInput": "False",
"Relevance": "Required",
"Description": "",
"Min": "-100000",
"Max": "100000",
"Scale": "0.1",
"ScaleType": "Linear",
"EnumValues": []
},
{
"Name": "NumSamples",
"MetaInstanceID": "dd1e70fb-0b60-44f1-a517-8d5bf18b97a8",
"DefaultValue": {
"Type": "Float",
"Value": "1000"
},
"MetaID": "3f76dee3-3897-44ac-82d6-25ce9f53a506",
"IsMultiInput": "False",
"Relevance": "Optional",
"Description": "",
"Min": "1",
"Max": "1E+07",
"Scale": "1",
"ScaleType": "Logarithmic",
"EnumValues": []
},
{
"Name": "MeshPositions",
"MetaInstanceID": "0bb0032f-7f01-4ce1-82ea-74756546c9ea",
"DefaultValue": {
"Type": "Image",
"Value": "Framefield.Core.Image"
},
"MetaID": "9848060d-fd84-45b0-b658-d0d531c61dab",
"IsMultiInput": "False",
"Relevance": "Required",
"Description": "",
"Min": "-100000",
"Max": "100000",
"Scale": "0.1",
"ScaleType": "Linear",
"EnumValues": []
},
{
"Name": "MeshNormals",
"MetaInstanceID": "1dd1e407-1e0c-4549-84b2-29ca24a34d6e",
"DefaultValue": {
"Type": "Image",
"Value": "Framefield.Core.Image"
},
"MetaID": "9848060d-fd84-45b0-b658-d0d531c61dab",
"IsMultiInput": "False",
"Relevance": "Required",
"Description": "",
"Min": "-100000",
"Max": "100000",
"Scale": "0.1",
"ScaleType": "Linear",
"EnumValues": []
}
],
"Outputs": [
{
"Name": "Image",
"MetaInstanceID": "47c3a297-62ea-4bb0-bd25-9b5000ff920c",
"MetaID": "9848060d-fd84-45b0-b658-d0d531c61dab"
},
{
"Name": "PosBuffer",
"MetaInstanceID": "a65d2823-2262-413b-af91-7c6e968a8216",
"MetaID": "9701d534-b3ff-4889-a250-84aece4a7d76"
}
],
"OperatorParts": [
{
"MetaInstanceID": "1f2c3397-448c-4387-9508-195acc4ffaae",
"MetaID": "72f1fe7a-9983-44ac-ba77-6f7b2d908ae4",
"Name": "EnvISFunc",
"Version": "459f9543-4ec8-4ef7-b9b0-8a8b80399430",
"Type": "Float",
"IsMultiInput": "True",
"Script": [
"//>>> _using",
"using System;",
"using System.Collections.Generic;",
"using System.Linq;",
"using System.Text;",
"using SharpDX;",
"using SharpDX.Direct3D11;",
"using SharpDX.Windows;",
"//<<< _using",
"",
"using System.Runtime.InteropServices;",
"using Framefield.Core.Rendering;",
"using Framefield.Core.Profiling;",
"using SharpDX.Direct3D;",
"using SharpDX.DXGI;",
"using SharpDX.D3DCompiler;",
"using Buffer = SharpDX.Direct3D11.Buffer;",
"using System.CodeDom.Compiler;",
"using System.Diagnostics;",
"using System.Dynamic;",
"",
"namespace Framefield.Core.ID72f1fe7a_9983_44ac_ba77_6f7b2d908ae4",
"{",
" public class Class_EnvIS : FXSourceCodeFunction",
" {",
"",
" //>>> _inputids",
" private enum InputId",
" {",
" Code = 0,",
" Intensity = 1,",
" NumSamples = 2,",
" MeshPositions = 3,",
" MeshNormals = 4",
" }",
" //<<< _inputids",
"",
" //>>> _outputids",
" private enum OutputId",
" {",
" Image = 0,",
" PosBuffer = 1",
" }",
" //<<< _outputids",
"",
" public override void Dispose()",
" {",
" Utilities.DisposeObj(ref _sumTexture);",
" Utilities.DisposeObj(ref _sumTextureUAV);",
" Utilities.DisposeObj(ref _sumTextureSRV);",
" Utilities.DisposeObj(ref _summedColumnTexture);",
" Utilities.DisposeObj(ref _summedColumnTextureUAV);",
" Utilities.DisposeObj(ref _summedColumnTextureSRV);",
" Utilities.DisposeObj(ref _visuTexture);",
" Utilities.DisposeObj(ref _visuTextureUAV);",
" Utilities.DisposeObj(ref _sampleBuffer);",
" Utilities.DisposeObj(ref _sampleBufferUAV);",
" Utilities.DisposeObj(ref _sampleBufferSRV);",
" Utilities.DisposeObj(ref _worldPosBuffer);",
" Utilities.DisposeObj(ref _worldPosBufferUAV);",
" Utilities.DisposeObj(ref _worldPosBufferSRV);",
" Utilities.DisposeObj(ref _constantBuffer);",
" Utilities.DisposeObj(ref _csHistoClear);",
" Utilities.DisposeObj(ref _csSumRows);",
" Utilities.DisposeObj(ref _csSumColumn);",
" Utilities.DisposeObj(ref _csVisu);",
" _queryTimeStampDisjoint.Dispose();",
" _queryTimeStampFrameBegin.Dispose();",
" _queryTimeStampFrameEnd.Dispose();",
" base.Dispose();",
" }",
"",
" protected bool BuildRenderTarget(OperatorPartContext context, Texture2D inputImage)",
" {",
" if (_sumTexture != null && _sumTexture.Description.Height == inputImage.Description.Height)",
" {",
" return false; // nothing to do, buffers have already the right size",
" }",
"",
" // summed up rows texture, has an additional column with the row sum",
" var sumTextureDesc = new Texture2DDescription",
" {",
" BindFlags = BindFlags.ShaderResource | BindFlags.UnorderedAccess,",
" Format = Format.R32_Float,",
" Width = inputImage.Description.Width + 2, // [N] = 1, [N + 1] = Sum of all elements",
" Height = inputImage.Description.Height,",
" MipLevels = 1,",
" SampleDescription = new SampleDescription(1, 0),",
" Usage = ResourceUsage.Default,",
" OptionFlags = ResourceOptionFlags.None,",
" CpuAccessFlags = CpuAccessFlags.None,",
" ArraySize = 1",
" };",
" Utilities.DisposeObj(ref _sumTexture);",
" _sumTexture = new Texture2D(context.D3DDevice, sumTextureDesc);",
" Utilities.DisposeObj(ref _sumTextureUAV);",
" _sumTextureUAV = new UnorderedAccessView(context.D3DDevice, _sumTexture);",
" Utilities.DisposeObj(ref _sumTextureSRV);",
" _sumTextureSRV = new ShaderResourceView(context.D3DDevice, _sumTexture);",
"",
" // summed up column texture, has an additional row with the column sum",
"",
" sumTextureDesc.Width = 1;",
" sumTextureDesc.Height = inputImage.Description.Height + 2; // [N] = 1, [N + 1] = Sum of all elements",
"",
" Utilities.DisposeObj(ref _summedColumnTexture);",
" _summedColumnTexture = new Texture2D(context.D3DDevice, sumTextureDesc);",
" Utilities.DisposeObj(ref _summedColumnTextureUAV);",
" _summedColumnTextureUAV = new UnorderedAccessView(context.D3DDevice, _summedColumnTexture);",
" Utilities.DisposeObj(ref _summedColumnTextureSRV);",
" _summedColumnTextureSRV = new ShaderResourceView(context.D3DDevice, _summedColumnTexture);",
" ",
" // helper texture for visualization",
" var uavVisuDesc = new Texture2DDescription",
" {",
" BindFlags = BindFlags.ShaderResource | BindFlags.UnorderedAccess,",
" Format = Format.R8G8B8A8_UNorm,",
" Width = inputImage.Description.Width,",
" Height = inputImage.Description.Height,",
" MipLevels = 1,",
" SampleDescription = new SampleDescription(1, 0),",
" Usage = ResourceUsage.Default,",
" OptionFlags = ResourceOptionFlags.None,",
" CpuAccessFlags = CpuAccessFlags.None,",
" ArraySize = 1",
" };",
" Utilities.DisposeObj(ref _visuTexture);",
" _visuTexture = new Texture2D(context.D3DDevice, uavVisuDesc);",
" Utilities.DisposeObj(ref _visuTextureUAV);",
" _visuTextureUAV = new UnorderedAccessView(context.D3DDevice, _visuTexture);",
"",
" Utilities.DisposeObj(ref _constantBuffer);",
" _constantBuffer = Buffer.Create(context.D3DDevice, BindFlags.ConstantBuffer, _constantBufferData, 16);",
"",
" return true;",
" }",
"",
"",
" public override OperatorPartContext Eval(OperatorPartContext context, List<OperatorPart> inputs, int outputIdx) ",
" {",
" //>>> _params",
" var Code = inputs[(int)InputId.Code].Eval(context).Text;",
" var Intensity = inputs[(int)InputId.Intensity].Eval(context).Image; // Needs to be checked for null!",
" var NumSamples = inputs[(int)InputId.NumSamples].Eval(context).Value;",
" var MeshPositions = inputs[(int)InputId.MeshPositions].Eval(context).Image; // Needs to be checked for null!",
" var MeshNormals = inputs[(int)InputId.MeshNormals].Eval(context).Image; // Needs to be checked for null!",
" //<<< _params",
" ",
" if (Intensity == null)",
" {",
" Logger.Warn(this, \"No imput image connected\");",
" return context; ",
" }",
" ",
" int inputImageHeight = Intensity.Description.Height;",
" //Logger.Info(this, \"input size: {0}/{1}\", Intensity.Description.Width, inputImageHeight);",
" ",
" if (_csSumRows == null)",
" {",
" Utilities.DisposeObj(ref _csHistoClear);",
" Utilities.DisposeObj(ref _csSumRows);",
" Utilities.DisposeObj(ref _csVisu);",
" var errors = new CompilerErrorCollection();",
" try",
" {",
" using (var bytecode = ShaderBytecode.Compile(GetCode(0), \"ClearVisuBuffer\", \"cs_5_0\", ShaderFlags.Debug))",
" _csHistoClear = new ComputeShader(D3DDevice.Device, bytecode);",
" using (var bytecode = ShaderBytecode.Compile(GetCode(0), \"SumRows\", \"cs_5_0\", ShaderFlags.Debug))",
" _csSumRows = new ComputeShader(D3DDevice.Device, bytecode);",
" using (var bytecode = ShaderBytecode.Compile(GetCode(0), \"SumColumn\", \"cs_5_0\", ShaderFlags.Debug))",
" _csSumColumn = new ComputeShader(D3DDevice.Device, bytecode);",
" using (var bytecode = ShaderBytecode.Compile(GetCode(0), \"GenerateUVPositions\", \"cs_5_0\", ShaderFlags.Debug))",
" _csGenerateUVPositions = new ComputeShader(D3DDevice.Device, bytecode);",
" using (var bytecode = ShaderBytecode.Compile(GetCode(0), \"GenerateWorldPositions\", \"cs_5_0\", ShaderFlags.Debug))",
" _csGenerateWorldPositions = new ComputeShader(D3DDevice.Device, bytecode);",
" using (var bytecode = ShaderBytecode.Compile(GetCode(0), \"VisualizeSumBuffer\", \"cs_5_0\", ShaderFlags.Debug))",
" _csVisu = new ComputeShader(D3DDevice.Device, bytecode);",
" }",
" catch (CompilationException ex)",
" {",
" errors = ErrorsFromString(ex.Message);",
" Logger.Error(this, \"CS compile error: {0}\", ex.Message);",
" }",
" }",
"",
" BuildRenderTarget(context, Intensity);",
"",
" var targetSize = sizeof(float)*2*(int)NumSamples;",
" if (_sampleBuffer == null || _sampleBuffer.Description.SizeInBytes != targetSize)",
" {",
" // create buffer for sample locations",
" Utilities.DisposeObj(ref _sampleBuffer);",
" _sampleBuffer = new Buffer(context.D3DDevice, new BufferDescription()",
" {",
" BindFlags = BindFlags.ShaderResource | BindFlags.UnorderedAccess | BindFlags.VertexBuffer,",
" CpuAccessFlags = CpuAccessFlags.None,",
" OptionFlags = ResourceOptionFlags.BufferAllowRawViews,",
" SizeInBytes = targetSize,",
" Usage = ResourceUsage.Default",
" });",
" ",
" {",
" // create its shader resource view ",
" Utilities.DisposeObj(ref _sampleBufferSRV);",
" var bufferResource = new ShaderResourceViewDescription.ExtendedBufferResource()",
" {",
" ElementCount = _sampleBuffer.Description.SizeInBytes/4,",
" FirstElement = 0,",
" Flags = ShaderResourceViewExtendedBufferFlags.Raw",
" };",
" var srvDesc = new ShaderResourceViewDescription()",
" {",
" Format = Format.R32_Typeless,",
" Dimension = ShaderResourceViewDimension.ExtendedBuffer,",
" BufferEx = bufferResource",
" };",
" _sampleBufferSRV = new ShaderResourceView(context.D3DDevice, _sampleBuffer, srvDesc);",
" }",
" ",
" {",
" // create its unordered access view",
" Utilities.DisposeObj(ref _sampleBufferUAV);",
" ",
" var bufferResource = new UnorderedAccessViewDescription.BufferResource()",
" {",
" ElementCount = _sampleBuffer.Description.SizeInBytes/4,",
" FirstElement = 0,",
" Flags = UnorderedAccessViewBufferFlags.Raw",
" };",
" var uavDesc = new UnorderedAccessViewDescription()",
" {",
" Format = Format.R32_Typeless,",
" Dimension = UnorderedAccessViewDimension.Buffer,",
" Buffer = bufferResource",
" };",
" _sampleBufferUAV = new UnorderedAccessView(context.D3DDevice, _sampleBuffer, uavDesc); ",
" }",
" ",
" ",
" // create buffer for world positions ",
" Utilities.DisposeObj(ref _worldPosBuffer);",
" _worldPosBuffer = new Buffer(context.D3DDevice, new BufferDescription()",
" {",
" BindFlags = BindFlags.ShaderResource | BindFlags.UnorderedAccess | BindFlags.VertexBuffer,",
" CpuAccessFlags = CpuAccessFlags.None,",
" OptionFlags = ResourceOptionFlags.BufferAllowRawViews,",
" SizeInBytes = /*sizeof(float)*3*/64*(int)NumSamples,",
" Usage = ResourceUsage.Default",
" });",
"",
" {",
" // create its shader resource view ",
" Utilities.DisposeObj(ref _worldPosBufferSRV);",
" var bufferResource = new ShaderResourceViewDescription.ExtendedBufferResource()",
" {",
" ElementCount = _worldPosBuffer.Description.SizeInBytes/4,",
" FirstElement = 0,",
" Flags = ShaderResourceViewExtendedBufferFlags.Raw",
" };",
" var srvDesc = new ShaderResourceViewDescription()",
" {",
" Format = Format.R32_Typeless,",
" Dimension = ShaderResourceViewDimension.ExtendedBuffer,",
" BufferEx = bufferResource",
" };",
" _worldPosBufferSRV = new ShaderResourceView(context.D3DDevice, _worldPosBuffer, srvDesc);",
" }",
"",
" {",
" // create its unordered access view",
" Utilities.DisposeObj(ref _worldPosBufferUAV);",
" ",
" var bufferResource = new UnorderedAccessViewDescription.BufferResource()",
" {",
" ElementCount = _worldPosBuffer.Description.SizeInBytes/4,",
" FirstElement = 0,",
" Flags = UnorderedAccessViewBufferFlags.Raw",
" };",
" var uavDesc = new UnorderedAccessViewDescription()",
" {",
" Format = Format.R32_Typeless,",
" Dimension = UnorderedAccessViewDimension.Buffer,",
" Buffer = bufferResource",
" };",
" _worldPosBufferUAV = new UnorderedAccessView(context.D3DDevice, _worldPosBuffer, uavDesc); ",
" }",
"",
" }",
"",
"",
"",
" var deviceContext = context.D3DDevice.ImmediateContext;",
"",
" if (_readyToMeasure)",
" {",
" _queryTimeStampDisjoint.Begin(deviceContext);",
" _queryTimeStampFrameBegin.End(deviceContext);",
" }",
"",
" using (var intensityImageView = new ShaderResourceView(context.D3DDevice, Intensity))",
" using (var meshPosSRV = new ShaderResourceView(context.D3DDevice, MeshPositions))",
" using (var meshNormalsSRV = new ShaderResourceView(context.D3DDevice, MeshNormals))",
" {",
"// deviceContext.ComputeShader.Set(_csHistoClear);",
"// deviceContext.ComputeShader.SetUnorderedAccessView(0, _sumTextureUAV);",
"// deviceContext.Dispatch(1, Image.Description.Height/128, 1);",
"",
" deviceContext.ComputeShader.Set(_csSumRows);",
" deviceContext.ComputeShader.SetUnorderedAccessView(0, _sumTextureUAV);",
" deviceContext.ComputeShader.SetShaderResource(0, intensityImageView);",
" deviceContext.Dispatch(1, Intensity.Description.Height/128, 1);",
" deviceContext.ComputeShader.SetUnorderedAccessView(0, null);",
" ",
" deviceContext.ComputeShader.Set(_csSumColumn);",
" deviceContext.ComputeShader.SetUnorderedAccessView(1, _summedColumnTextureUAV);",
" deviceContext.ComputeShader.SetShaderResource(1, _sumTextureSRV);",
" deviceContext.Dispatch(1, 1, 1);",
" deviceContext.ComputeShader.SetUnorderedAccessView(1, null);",
" deviceContext.ComputeShader.SetShaderResource(1, null);",
"",
"deviceContext.ComputeShader.SetConstantBuffer(0, _constantBuffer);",
"_constantBufferData[0] = (int)NumSamples;",
"deviceContext.UpdateSubresource(_constantBufferData, _constantBuffer);",
"",
" deviceContext.ComputeShader.SetUnorderedAccessView(2, _sampleBufferUAV);",
" deviceContext.ComputeShader.SetShaderResource(2, _sumTextureSRV);",
" deviceContext.ComputeShader.SetShaderResource(3, _summedColumnTextureSRV);",
" deviceContext.ComputeShader.Set(_csGenerateUVPositions);",
" deviceContext.Dispatch((int)NumSamples/256 + 1, 1, 1);",
" deviceContext.ComputeShader.SetShaderResource(2, null);",
" deviceContext.ComputeShader.SetShaderResource(3, null);",
" deviceContext.ComputeShader.SetUnorderedAccessView(2, null);",
" deviceContext.ComputeShader.SetShaderResource(0, null);",
"",
" deviceContext.ComputeShader.SetUnorderedAccessView(3, _worldPosBufferUAV);",
" deviceContext.ComputeShader.SetShaderResource(4, _sampleBufferSRV);",
" deviceContext.ComputeShader.SetShaderResource(5, meshPosSRV);",
" deviceContext.ComputeShader.SetShaderResource(6, meshNormalsSRV);",
" deviceContext.ComputeShader.Set(_csGenerateWorldPositions);",
" deviceContext.Dispatch((int)NumSamples/256 + 1, 1, 1);",
" deviceContext.ComputeShader.SetShaderResource(4, null);",
" deviceContext.ComputeShader.SetShaderResource(5, null);",
" deviceContext.ComputeShader.SetUnorderedAccessView(3, null);",
"",
" deviceContext.ComputeShader.SetUnorderedAccessView(7, _visuTextureUAV);",
" deviceContext.ComputeShader.SetShaderResource(4, _sampleBufferSRV);",
" int width = _visuTexture.Description.Width;",
" int height = _visuTexture.Description.Height;",
" deviceContext.ComputeShader.Set(_csHistoClear);",
" deviceContext.Dispatch(width/32 + 1, height/32 + 1, 1);",
" deviceContext.ComputeShader.Set(_csVisu);",
" deviceContext.Dispatch((int)NumSamples/256 + 1, 1, 1);",
" deviceContext.ComputeShader.SetUnorderedAccessView(7, null);",
" deviceContext.ComputeShader.SetShaderResource(2, null);",
" deviceContext.ComputeShader.SetShaderResource(3, null);",
" deviceContext.ComputeShader.SetShaderResource(0, null);",
"",
"",
" }",
" ",
" if (_readyToMeasure)",
" {",
" _queryTimeStampFrameEnd.End(deviceContext);",
" _queryTimeStampDisjoint.End(deviceContext);",
" _readyToMeasure = false;",
" }",
" else",
" {",
" // check if last measurement is ready",
" QueryDataTimestampDisjoint disjointData;",
" long timeStampframeBegin;",
" long timeStampframeEnd;",
" bool dataFetched = true;",
" dataFetched &= _queryTimeStampDisjoint.GetData(deviceContext, AsynchronousFlags.None, out disjointData);",
" dataFetched &= _queryTimeStampFrameBegin.GetData(deviceContext, AsynchronousFlags.None, out timeStampframeBegin);",
" dataFetched &= _queryTimeStampFrameEnd.GetData(deviceContext, AsynchronousFlags.None, out timeStampframeEnd);",
" ",
" if (dataFetched && !disjointData.Disjoint)",
" {",
" float duration = (float)(timeStampframeEnd - timeStampframeBegin)/disjointData.Frequency;",
" //Logger.Info(this, \"tsfb: {0}\", timeStampframeBegin);",
" //Logger.Info(this, \"tsfe: {0}\", timeStampframeEnd);",
" //Logger.Info(this, \"freq: {0}\", disjointData.Frequency);",
" //Logger.Info(this,\"row calc took: {0}s\", duration);",
" _readyToMeasure = true;",
" }",
" }",
" ",
" switch (outputIdx)",
" {",
" case (int)OutputId.Image:",
" ",
" context.Image = _visuTexture;",
" break;",
" case (int)OutputId.PosBuffer:",
" dynamic obj = new ExpandoObject();",
" obj.PosBuffer = _worldPosBuffer;",
" context.Dynamic = obj;",
" break;",
" default:",
" Logger.Warn(this, \"Output index '{0}' requested, but not existing.\", outputIdx);",
" break;",
" }",
" ",
" return context;",
" }",
"",
" private Texture2D _sumTexture;",
" private UnorderedAccessView _sumTextureUAV;",
" private ShaderResourceView _sumTextureSRV;",
" private Texture2D _summedColumnTexture;",
" private UnorderedAccessView _summedColumnTextureUAV;",
" private ShaderResourceView _summedColumnTextureSRV;",
" private Texture2D _visuTexture;",
" private UnorderedAccessView _visuTextureUAV;",
" private Buffer _sampleBuffer;",
" private ShaderResourceView _sampleBufferSRV;",
" private UnorderedAccessView _sampleBufferUAV;",
" private Buffer _worldPosBuffer;",
" private ShaderResourceView _worldPosBufferSRV;",
" private UnorderedAccessView _worldPosBufferUAV;",
" private Buffer _constantBuffer;",
" private int[] _constantBufferData = new int[4];",
" private ComputeShader _csHistoClear;",
" private ComputeShader _csSumRows;",
" private ComputeShader _csSumColumn;",
" private ComputeShader _csGenerateUVPositions;",
" private ComputeShader _csGenerateWorldPositions;",
" private ComputeShader _csVisu;",
" private GPUQuery _queryTimeStampDisjoint = new GPUQuery(D3DDevice.Device, new QueryDescription() { Type = QueryType.TimestampDisjoint });",
" private GPUQuery _queryTimeStampFrameBegin = new GPUQuery(D3DDevice.Device, new QueryDescription() { Type = QueryType.Timestamp });",
" private GPUQuery _queryTimeStampFrameEnd = new GPUQuery(D3DDevice.Device, new QueryDescription() { Type = QueryType.Timestamp });",
" private bool _readyToMeasure = true;",
" }",
"}",
"",
""
],
"AdditionalAssemblies": []
}
],
"Operators": [],
"Connections": [
{
"SourceOp": "00000000-0000-0000-0000-000000000000",
"SourceOpPart": "1f2c3397-448c-4387-9508-195acc4ffaae",
"TargetOp": "00000000-0000-0000-0000-000000000000",
"TargetOpPart": "47c3a297-62ea-4bb0-bd25-9b5000ff920c"
},
{
"SourceOp": "00000000-0000-0000-0000-000000000000",
"SourceOpPart": "cb9db90d-2a46-4748-af34-9527917b1f02",
"TargetOp": "00000000-0000-0000-0000-000000000000",
"TargetOpPart": "1f2c3397-448c-4387-9508-195acc4ffaae"
},
{
"SourceOp": "00000000-0000-0000-0000-000000000000",
"SourceOpPart": "34e49ad4-9921-4cbe-99fe-928474789538",
"TargetOp": "00000000-0000-0000-0000-000000000000",
"TargetOpPart": "1f2c3397-448c-4387-9508-195acc4ffaae"
},
{
"SourceOp": "00000000-0000-0000-0000-000000000000",
"SourceOpPart": "dd1e70fb-0b60-44f1-a517-8d5bf18b97a8",
"TargetOp": "00000000-0000-0000-0000-000000000000",
"TargetOpPart": "1f2c3397-448c-4387-9508-195acc4ffaae"
},
{
"SourceOp": "00000000-0000-0000-0000-000000000000",
"SourceOpPart": "0bb0032f-7f01-4ce1-82ea-74756546c9ea",
"TargetOp": "00000000-0000-0000-0000-000000000000",
"TargetOpPart": "1f2c3397-448c-4387-9508-195acc4ffaae"
},
{
"SourceOp": "00000000-0000-0000-0000-000000000000",
"SourceOpPart": "1dd1e407-1e0c-4549-84b2-29ca24a34d6e",
"TargetOp": "00000000-0000-0000-0000-000000000000",
"TargetOpPart": "1f2c3397-448c-4387-9508-195acc4ffaae"
},
{
"SourceOp": "00000000-0000-0000-0000-000000000000",
"SourceOpPart": "1f2c3397-448c-4387-9508-195acc4ffaae",
"TargetOp": "00000000-0000-0000-0000-000000000000",
"TargetOpPart": "a65d2823-2262-413b-af91-7c6e968a8216"
}
]
}