45 lines
1.2 KiB
PostScript
45 lines
1.2 KiB
PostScript
|
/**
|
||
|
|
* @ Version: SCREEN SPACE SHADERS - UPDATE 20
|
||
|
|
* @ Description: SSR - Blur Phase
|
||
|
|
* @ Modified time: 2024-02-09 07:25
|
||
|
|
* @ Author: https://www.moddb.com/members/ascii1457
|
||
|
|
* @ Mod: https://www.moddb.com/mods/stalker-anomaly/addons/screen-space-shaders
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "screenspace_common.h"
|
||
|
|
|
||
|
|
uniform float4 blur_params; // x: | y: | z: Buffer width | w: Buffer Height
|
||
|
|
uniform float4 ssr_setup; // x: SSR Resolution | y: Blur Intensity | z: Temporal Intensity
|
||
|
|
|
||
|
|
Texture2D ssr_image;
|
||
|
|
|
||
|
|
float4 main(p_screen I) : SV_Target
|
||
|
|
{
|
||
|
|
// Sample SSR result
|
||
|
|
float4 base_image = ssr_image.SampleLevel(smp_nofilter, I.tc0, 0);
|
||
|
|
|
||
|
|
float4 blur = 0;
|
||
|
|
|
||
|
|
float2 buffer_pixel_size = 1.0 / blur_params.zw;
|
||
|
|
|
||
|
|
float radius = SSFX_gradient_noise_IGN(I.tc0 * screen_res.xy) * 2.0f;
|
||
|
|
|
||
|
|
float2 offset = float2(radius, radius);
|
||
|
|
float r = 0.9f;
|
||
|
|
|
||
|
|
for (int i = 0; i < 12; i++)
|
||
|
|
{
|
||
|
|
r += 1.0f / r;
|
||
|
|
offset = mul(offset, pp_rotation_matrix);
|
||
|
|
blur += ssr_image.SampleLevel(smp_nofilter, I.tc0 + (offset * (r - 1.0f) * buffer_pixel_size), 0);
|
||
|
|
}
|
||
|
|
blur /= 12;
|
||
|
|
|
||
|
|
blur = lerp(base_image, blur, ssr_setup.y);
|
||
|
|
|
||
|
|
// Adjust Gloss data
|
||
|
|
float ref = lerp(base_image.a, blur.a, smoothstep(1.0f, 3.0f, ssr_setup.x) );
|
||
|
|
|
||
|
|
return float4(blur.rgb, ref);
|
||
|
|
}
|