wehub-resource-sync
57 lines
1.4 KiB
HLSL
57 lines
1.4 KiB
HLSL
#include "shared/point.hlsl"
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#include "shared/quat-functions.hlsl"
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cbuffer Params : register(b0)
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{
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}
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cbuffer Transforms : register(b1)
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{
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float4x4 CameraToClipSpace;
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float4x4 ClipSpaceToCamera;
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float4x4 WorldToCamera;
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float4x4 CameraToWorld;
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float4x4 WorldToClipSpace;
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float4x4 ClipSpaceToWorld;
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float4x4 ObjectToWorld;
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float4x4 WorldToObject;
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float4x4 ObjectToCamera;
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float4x4 ObjectToClipSpace;
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};
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StructuredBuffer<LegacyPoint> SourcePoints : t0;
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RWStructuredBuffer<LegacyPoint> ResultPoints : u0;
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[numthreads(64, 1, 1)] void main(uint3 i
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: SV_DispatchThreadID)
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{
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uint numStructs, stride;
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SourcePoints.GetDimensions(numStructs, stride);
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if (i.x >= numStructs)
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{
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return;
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}
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LegacyPoint p = SourcePoints[i.x];
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float4 pInClipSpace = mul(float4(p.Position,1), CameraToWorld);
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pInClipSpace.xyz /= pInClipSpace.w;
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pInClipSpace.w =1;
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p.Position = pInClipSpace;
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// Transform rotation is kind of tricky. There might be more efficient ways to do this.
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float3x3 orientationDest = float3x3(
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CameraToWorld._m00_m01_m02,
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CameraToWorld._m10_m11_m12,
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CameraToWorld._m20_m21_m22);
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float4 newRotation = normalize(qFromMatrix3Precise(transpose(orientationDest)));
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newRotation = qMul(newRotation, p.Rotation);
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p.Rotation = newRotation;
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ResultPoints[i.x] = p;
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}
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