43 lines
1023 B
PostScript
43 lines
1023 B
PostScript
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/**
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* @ Version: SCREEN SPACE SHADERS - UPDATE 22
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* @ Description: SSS Disocclusion Blur
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* @ Modified time: 2024-11-14 00:12
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* @ Author: https://www.moddb.com/members/ascii1457
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* @ Mod: https://www.moddb.com/mods/stalker-anomaly/addons/screen-space-shaders
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*/
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#include "screenspace_common.h"
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Texture2D sss_image;
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uniform float4 blur_setup;
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float4 main ( p_screen I ) : SV_Target
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{
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float2 tc = I.tc0.xy;
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float2 buffer_pixel_size = 1.0f / screen_res.xy;
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float4 base_image = sss_image.SampleLevel(smp_nofilter, tc, 0);
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base_image.g += base_image.a;
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// Early out ( Low disocclusion mask )
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if (base_image.g <= 0.1f)
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return float4(base_image.rgr, base_image.a);
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float blur = 0;
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float2 offset = base_image.gg;
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float r = 0.9f;
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for (int i = 0; i < 8; i++)
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{
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r += 1.0f / r;
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offset = mul(offset, pp_rotation_matrix);
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blur += sss_image.SampleLevel(smp_nofilter, tc + (offset * (r - 1.0f) * buffer_pixel_size), 0)[blur_setup.z];
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}
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blur /= 8;
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return float4(base_image.rg, blur, base_image.a);
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}
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