tooll3--t3
wehub-resource-sync
83 行
1.9 KiB
HLSL
83 行
1.9 KiB
HLSL
#include "shared/hash-functions.hlsl"
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#include "shared/noise-functions.hlsl"
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#include "shared/point.hlsl"
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#include "shared/quat-functions.hlsl"
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#include "shared/pbr.hlsl"
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cbuffer Params : register(b0)
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{
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float Mode;
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float Amount;
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float2 ScaleUV;
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float3 Distribution;
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float UseVertexSelection;
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float3 MainOffset;
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float UvSelection;
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}
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StructuredBuffer<PbrVertex> SourceVertices : t0;
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Texture2D<float4> DisplaceMap : register(t1);
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RWStructuredBuffer<PbrVertex> ResultVertices : u0;
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sampler texSampler : register(s0);
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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 gi = i.x;
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uint pointCount, _;
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SourceVertices.GetDimensions(pointCount, _);
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if(gi >= pointCount) {
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return;
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}
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PbrVertex v = SourceVertices[gi];
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ResultVertices[gi] = SourceVertices[gi];
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float weight = 1;
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float3 posInWorld = v.Position;
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float2 scaleuv = ScaleUV * float2(1, 1);
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float2 uv =SourceVertices[gi].TexCoord * scaleuv;
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if(UvSelection > 0.5)
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{
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uv =SourceVertices[gi].TexCoord2 * scaleuv;
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}
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uv.y = 1.0 - uv.y;
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float4 texColor = DisplaceMap.SampleLevel(texSampler, uv, 0);
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float3x3 TBN = float3x3(v.Tangent, v.Bitangent, v.Normal);
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float amount = Amount;
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if (UseVertexSelection > 0.5){
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amount = Amount * SourceVertices[gi].Selected;
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}
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float3 offset = 0;
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if(Mode < 0.5)
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{
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offset = mul(
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(
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(texColor.r + texColor.g + texColor.b)/3 * texColor.a * float3(0,0,1) * Distribution
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+ MainOffset
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) * amount
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,TBN);
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}
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else if(Mode< 1.5)
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{
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offset= mul((texColor.rgb * texColor.a * Distribution + MainOffset) * amount, TBN);
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}
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else {
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offset= (texColor.rgb * texColor.a * Distribution + MainOffset) * amount;
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}
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ResultVertices[gi].Position = v.Position + offset;
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}
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