Files
NixOS-configs/modules/wallpaper-engine/effects/pulse/preview/shaders/effects/localcontrast_combine.frag
2025-02-07 17:04:43 -06:00

38 lines
1.1 KiB
GLSL

// [COMBO] {"material":"Greyscale","combo":"GREYSCALE","type":"options","default":0}
varying vec4 v_TexCoord;
uniform sampler2D g_Texture0; // {"material":"Framebuffer","hidden":true}
uniform sampler2D g_Texture1; // {"material":"Mask","mode":"opacitymask","default":"util/white"}
uniform sampler2D g_Texture2; // {"material":"Prev","hidden":true}
#ifdef HLSL_SM30
uniform vec4 g_Texture0Resolution;
#endif
uniform float g_Amount; // {"material":"Strength","default":1.0,"range":[0.01, 5]}
void main() {
vec2 blurredCoords = v_TexCoord.xy;
#ifdef HLSL_SM30
blurredCoords += 0.75 / g_Texture0Resolution.zw;
#endif
vec4 blurred = texSample2D(g_Texture0, blurredCoords);
vec4 albedo = texSample2D(g_Texture2, v_TexCoord.xy);
vec3 delta = albedo.rgb - blurred.rgb;
#if GREYSCALE == 1
delta = CAST3(dot(vec3(0.11, 0.59, 0.3), delta));
#endif
vec3 enhanced = albedo.rgb + delta * g_Amount;
float mask = texSample2D(g_Texture1, v_TexCoord.zw).r;
albedo.rgb = mix(albedo.rgb, enhanced.rgb, mask);
gl_FragColor = albedo;
}