Thorbjoern
43 lines
1.2 KiB
HLSL
43 lines
1.2 KiB
HLSL
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
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TEXTURE2D_X(_CameraDepthTexture);
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SAMPLER(sampler_CameraDepthTexture);
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float3 _GazeOrigin;
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float3 _GazeDirection;
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float _FoveaAngle;
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float _PeriAngle;
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float4 _FoveaColor = float4(0,1,0,0.25);
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float4 _periColor = float4(1,0,0,0.18);
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float4 _BlockedCol = float4(0.3,0.3,0.3,0.22);
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half4 frag (Varyings input) : SV_Target
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{
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return float4(1, 0, 1, 0.5);
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// Nimmt die Depth Texture und rekonstruiert daraus die World Position
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//float depth = SAMPLE_TEXTURE2D_X(_CameraDepthTexture, sampler_CameraDepthTexture, input.texcoord).r;
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//float4 clip = float4(input.texcoord * 2 - 1, depth, 1);
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//float4 view = mul(UNITY_MATRIX_I_P, clip); view /= view.w;
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//float3 world = mul(UNITY_MATRIX_I_V, view).xyz;
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// Eryeugt einen Vektor vom Origin zum gewünschten Pixel
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//float3 v = normalize(world - _GazeOrigin);
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//float cosAng = dot(v, normalize(_GazeOrigin));
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// Berechnung Cosinus
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//float cosF = cos(_FoveaAngle);
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//float cosP = cos(_PeriAngle);
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//float4 col;
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//if (cosAng >= cosF) col = _FoveaColor;
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//else if (cosAng >= cosP) col = _periColor;
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//else discard;
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//uint gLayer = 8;
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//if (unity_RenderingLayer.x & (1u << gLayer))
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//col = _BlockedCol;
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//return col;
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}
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