NvFlowRayMarchParams.h

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// Copyright (c) 2014-2022 NVIDIA Corporation. All rights reserved.
 
 
#ifndef NV_FLOW_RAY_MARCH_PARAMS_H
#define NV_FLOW_RAY_MARCH_PARAMS_H
 
#include "NvFlowShaderTypes.h"
 
struct NvFlowRayMarchCloudLayerShaderParams
{
    float densityMultiplier;
    NvFlowUint enableCloudMode;
    float pad1;
    float pad2;
    NvFlowFloat3 ambientColor;
    float ambientMultiplier;
    NvFlowFloat3 volumeBaseColor;
    float volumeColorMultiplier;
    NvFlowFloat3 sunDirection;
    float shadowStepMultiplier;
    NvFlowFloat3 attenuationMultiplier;
    int numShadowSteps;
};
#ifdef NV_FLOW_CPU
typedef struct NvFlowRayMarchCloudLayerShaderParams NvFlowRayMarchCloudLayerShaderParams;
#endif
 
struct NvFlowRayMarchLayerShaderParams
{
    NvFlowFloat3 blockSizeWorld;
    float minBlockSizeWorld;
    NvFlowFloat3 blockSizeWorldInv;
    float maxBlockSizeWorld;
    NvFlowFloat3 cellSize;
    float stepSize;
    NvFlowFloat3 cellSizeInv;
    float stepSizeInv;  
    NvFlowInt4 locationMin;
    NvFlowInt4 locationMax;
    NvFlowFloat3 worldMin;
    NvFlowUint enableBlockWireframe;
    NvFlowFloat3 worldMax;
    NvFlowUint enableRawMode;
 
    NvFlowFloat3 velocityCellSizeInv;
    float deltaTime;
 
    int layer;
    float layerColormapV;
    float alphaScale;
    float colorScale;
 
    float shadowFactor;
    float pad1;
    float pad2;
    float pad3;
 
    NvFlowRayMarchCloudLayerShaderParams cloud;
};
#ifdef NV_FLOW_CPU
typedef struct NvFlowRayMarchLayerShaderParams NvFlowRayMarchLayerShaderParams;
#endif
 
struct NvFlowRayMarchIsosurfaceLayerShaderParams
{
    NvFlowFloat3 blockSizeWorld;
    float minBlockSizeWorld;
    NvFlowFloat3 blockSizeWorldInv;
    float maxBlockSizeWorld;
    NvFlowFloat3 cellSize;
    float stepSize;
    NvFlowFloat3 cellSizeInv;
    float stepSizeInv;
    NvFlowInt4 locationMin;
    NvFlowInt4 locationMax;
    NvFlowFloat3 worldMin;
    NvFlowUint enableBlockWireframe;
    NvFlowFloat3 worldMax;
    NvFlowUint visualizeNormals;
 
    int layer;
    float densityThreshold;
    NvFlowUint refractionMode;
    NvFlowUint pad2;
 
    NvFlowFloat3 fluidColor;
    float fluidIoR;
    NvFlowFloat3 fluidSpecularReflectance;
    float fluidAbsorptionCoefficient;
    NvFlowFloat3 fluidDiffuseReflectance;
    float pad3;
    NvFlowFloat3 fluidRadiance;
    float pad4;
};
#ifdef NV_FLOW_CPU
typedef struct NvFlowRayMarchIsosurfaceLayerShaderParams NvFlowRayMarchIsosurfaceLayerShaderParams;
#endif
 
struct NvFlowRayMarchShaderParams
{
    NvFlowSparseLevelParams levelParamsVelocity;
    NvFlowSparseLevelParams levelParamsDensity;
 
    NvFlowFloat4x4 projection;
    NvFlowFloat4x4 view;
    NvFlowFloat4x4 projectionJitteredInv;
    NvFlowFloat4x4 viewInv;
 
    NvFlowFloat4 rayDir00;
    NvFlowFloat4 rayDir10;
    NvFlowFloat4 rayDir01;
    NvFlowFloat4 rayDir11;
 
    NvFlowFloat4 rayOrigin00;
    NvFlowFloat4 rayOrigin10;
    NvFlowFloat4 rayOrigin01;
    NvFlowFloat4 rayOrigin11;
 
    float width;
    float height;
    float widthInv;
    float heightInv;
 
    float depthWidth;
    float depthHeight;
    float depthWidthInv;
    float depthHeightInv;
 
    NvFlowUint numLayers;
    float maxWorldDistance;
    NvFlowUint isReverseZ;
    float compositeColorScale;
};
#ifdef NV_FLOW_CPU
typedef struct NvFlowRayMarchShaderParams NvFlowRayMarchShaderParams;
#endif
 
struct NvFlowSelfShadowLayerShaderParams
{
    NvFlowRayMarchLayerShaderParams base;
    float minIntensity;
    NvFlowUint numSteps;
    NvFlowUint isPointLight;
    float stepOffset;
    NvFlowFloat3 lightDirection;
    NvFlowUint enabled;
    NvFlowFloat3 lightPosition;
    float pad3;
};
#ifdef NV_FLOW_CPU
typedef struct NvFlowSelfShadowLayerShaderParams NvFlowSelfShadowLayerShaderParams;
#endif
 
struct NvFlowSelfShadowShaderParams
{
    NvFlowUint blockIdxOffset;
    NvFlowUint pad1;
    NvFlowUint pad2;
    NvFlowUint pad3;
    NvFlowSparseLevelParams coarseDensityTable;
    NvFlowSparseLevelParams densityTable;
};
#ifdef NV_FLOW_CPU
typedef struct NvFlowSelfShadowShaderParams NvFlowSelfShadowShaderParams;
#endif
 
#endif