wehub-resource-sync
42 lines
947 B
HLSL
42 lines
947 B
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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float CountA;
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float CountB;
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}
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// struct LegacyPoint {
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// float3 Position;
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// float W;
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// };
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StructuredBuffer<LegacyPoint> Points1 : t0; // input
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StructuredBuffer<LegacyPoint> Points2 : t1; // input
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RWStructuredBuffer<LegacyPoint> ResultPoints : u0; // output
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[numthreads(64,1,1)]
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void main(uint3 i : SV_DispatchThreadID)
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{
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uint countA = (uint)(CountA+ 1.5);
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bool useFirst = (i.x < countA);
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if(i.x > CountA + CountB) {
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ResultPoints[i.x].W = NAN; // NaN
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return;
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}
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if(useFirst) {
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ResultPoints[i.x] = Points1[i.x];
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if(i.x == countA-1) {
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ResultPoints[i.x].W = NAN;
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}
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}
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else {
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ResultPoints[i.x] = Points2[i.x - countA];
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if(i.x == countA + uint(CountB + 0.5)) {
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ResultPoints[i.x].W = NAN;
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}
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}
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}
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