44 lines
1.1 KiB
PostScript
44 lines
1.1 KiB
PostScript
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/**
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* @ Version: SCREEN SPACE SHADERS - UPDATE 21
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* @ Description: Water Blur
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* @ Modified time: 2024-03-30 12:15
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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 "common.h"
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#include "screenspace_common.h"
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Texture2D water_buffer;
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uniform float4 blur_setup; // Buffer Res [ x:width | y:height | z:scale | w:offset size ]
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uniform float4 ssfx_water;
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//uniform float4 shader_param_7;
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float4 main ( p_screen I ) : SV_Target
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{
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float2 tc = I.tc0.xy * blur_setup.w;
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float2 buffer_pixel_size = 1.0 / ((screen_res.xy / 2.0f) * ssfx_water.x);
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float2 offset = blur_setup.xy * buffer_pixel_size * clamp(ssfx_water.y * 2.0, 1.0f, 2.0f);
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float3 blur = 0;
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float2 blur_tc = 0;
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float tc_limit = 1.0 / ssfx_water.x;
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float3 base_image = water_buffer.SampleLevel(smp_linear, tc, 0).rgb;
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for (int i = -6; i <= 6; i++)
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{
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blur_tc = tc + i * offset;
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if (blur_tc.x < 0 || blur_tc.x > tc_limit)
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blur_tc = tc;
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blur += water_buffer.SampleLevel(smp_linear, blur_tc, 0);
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}
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blur.rgb /= 12;
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return float4(lerp(base_image, blur, ssfx_water.y), 1);
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}
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