30 lines
718 B
Plaintext
30 lines
718 B
Plaintext
import MaterialParameter;
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struct RayTracingParams
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{
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RaytracingAccelerationStructure scene;
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RWTexture2D<float4> radianceAccumulator;
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RWTexture2D<float4> image;
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StructuredBuffer<uint> indexBuffer;
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TextureCube<float4> skyBox;
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SamplerState skyBoxSampler;
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};
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ParameterBlock<RayTracingParams> pRayTracingParams;
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struct RayPayload
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{
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LightingParameter params;
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MaterialParameter materialParams;
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float3 light;
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float t;
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float emissive;
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uint depth;
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bool hit;
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bool anyHit;
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uint3 rndSeed;
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};
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float3 rand01(uint3 x){ // pseudo-random number generator
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for (int i=3; i-->0;) x = ((x>>8U)^x.yzx)*1103515245U;
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return float3(x)*(1.0/float(0xffffffffU));
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} |