blob: c97815437650219750bea1702d7302762e23533d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
#version 300 es
// Pure Green Channel Shader - FIXED
precision highp float;
in vec2 v_texcoord;
uniform sampler2D tex;
out vec4 fragColor;
const vec3 LUMA = vec3(0.2126, 0.7152, 0.0722);
void main() {
vec4 pixColor = texture(tex, v_texcoord);
float gray = dot(pixColor.rgb, LUMA);
// FIXED: Now correctly outputs to GREEN channel
fragColor = vec4(0.0, gray, 0.0, pixColor.a);
}
|
