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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static const float4 Factors[] =
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{
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// x y z w
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float4(0, 0, 0, 0), // 0 nothing
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float4(1, 0, 0, 0), // 1 for x
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float4(0, 1, 0, 0), // 2 for y
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float4(0, 0, 1, 0), // 3 for z
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float4(0, 0, 0, 1), // 4 for w
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float4(0, 0, 0, 0), // avoid rotation effects
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};
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cbuffer Transforms : register(b0)
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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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cbuffer Params : register(b1)
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{
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float NearRange;
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float FarRange;
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}
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StructuredBuffer<LegacyPoint> SourcePoints : t0;
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RWStructuredBuffer<LegacyPoint> ResultPoints : u0; // output
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Texture2D<float4> inputTexture : register(t1);
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sampler texSampler : register(s0);
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[numthreads(256,4,1)]
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void main(uint3 i : SV_DispatchThreadID)
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{
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LegacyPoint p = SourcePoints[i.x];
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float3 pos = p.Position;
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float4 distanceFromCamera = mul(float4(pos, 1), ObjectToCamera);
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float d = distanceFromCamera.z;
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float normalized = (-d - NearRange) / (FarRange-NearRange);
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float4 t = inputTexture.SampleLevel(texSampler, float2(normalized, 0.5), 0);
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p.W *= t.r;
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ResultPoints[i.x] = p;
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} |