/**
 * @ Version: SCREEN SPACE SHADERS - UPDATE 21
 * @ Description: SSR - Combine Phase
 * @ Modified time: 2024-06-03 07:49
 * @ 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 ssr_setup; // x: SSR Resolution | y: Blur Intensity

Texture2D ssr_image;
Texture2D s_gloss_data;

float4 main(p_screen I) : SV_Target
{
	// SSR Gloss Buffer
	float4 GlossData = s_gloss_data.Sample( smp_nofilter, I.tc0 );

	// Sample SSR
	float4 ssr = ssr_image.SampleLevel(smp_linear, I.tc0 * (1.0 / ssr_setup.x), 0).rgba;

	// Sample Color buffer
	float3 color = SSFX_get_image(I.tc0, 0);

	// Scene + SSR
	return float4(lerp(color, ssr.rgb, GlossData.w), 1.0f);
}