45 lines
970 B
PostScript
45 lines
970 B
PostScript
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/**
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* @ Version: SCREEN SPACE SHADERS - UPDATE 22
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* @ Description: Volumetric Combine Phase
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* @ Modified time: 2024-11-25 08:42
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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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Texture2D vol_point;
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#ifndef USE_MSAA
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Texture2D vol_buffer;
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#else
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#ifndef SM_5
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Texture2DMS<float4,MSAA_SAMPLES> vol_buffer;
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#else
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Texture2DMS<float4> vol_buffer;
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#endif
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#endif
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float4 main ( p_screen I ) : SV_Target
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{
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#ifndef USE_MSAA
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float3 vol_a = vol_buffer.SampleLevel(smp_rtlinear, I.tc0, 0).rgb;
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#else
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float2 tc = I.tc0.xy * screen_res.xy;
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float3 vol_a = vol_buffer.Load(int3(tc, 0), 0);
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[unroll] for(int iSample = 1; iSample < MSAA_SAMPLES; ++iSample)
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{
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vol_a += vol_buffer.Load(int3(tc, 0), iSample);
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}
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vol_a /= MSAA_SAMPLES;
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#endif
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float3 vol_b = vol_point.SampleLevel(smp_rtlinear, I.tc0, 0).rgb;
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return float4(saturate(vol_a + vol_b), 0);
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}
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