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

32 lines
975 B
GLSL

// [COMBO] {"material":"Blend mode","combo":"BLENDMODE","type":"imageblending","default":2}
#include "common_blending.h"
varying vec4 v_TexCoord;
uniform float g_Multiply; // {"material":"Multiply","default":1,"range":[0.0, 10.0]}
#if OPACITYMASK == 1
varying vec2 v_TexCoordOpacity;
#endif
uniform sampler2D g_Texture0; // {"material":"Framebuffer","hidden":true}
uniform sampler2D g_Texture1; // {"material":"Blend texture","mode":"rgbmask","default":"util/white"}
uniform sampler2D g_Texture2; // {"material":"Opacity mask","mode":"opacitymask","default":"util/white","combo":"OPACITYMASK"}
void main() {
vec4 albedo = texSample2D(g_Texture0, v_TexCoord.xy);
vec4 mask = texSample2D(g_Texture1, v_TexCoord.zw);
float blend = mask.a * g_Multiply;
#if OPACITYMASK == 1
blend *= texSample2D(g_Texture2, v_TexCoordOpacity).r;
#endif
albedo.rgb = ApplyBlending(BLENDMODE, albedo.rgb, mask.rgb, blend);
gl_FragColor = albedo;
}