// MinecraftPT — DiffuseVariance_FS
#include "/Lib/Settings.glsl"
#include "/Lib/Utilities.glsl"
#include "/Lib/PathTracing/Denoiser/DiffuseVarianceEstimation.glsl"

layout(location = 0) out vec4 varOut;

void main(){
	vec2 texelCoord = gl_FragCoord.xy;
	vec3 color = texelFetch(colortex7, ivec2(texelCoord), 0).rgb;
	vec2 variance = DiffuseEstimateVariance(color, texelCoord);

	varOut = vec4(variance, 0.0, 1.0);
}