/usr/share/sludge/scale_noaa.frag is in sludge-engine 2.2.1-2+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | uniform sampler2D Texture;
uniform sampler2D lightTexture;
uniform bool antialias;
uniform bool useLightTexture;
uniform float scale;
varying vec2 varCoord0;
varying vec2 varCoord1;
varying vec4 color;
varying vec4 secondaryColor;
void main()
{
vec4 c11 = texture2D(Texture, varCoord0.xy);
gl_FragColor = c11;
if (gl_FragColor.a<0.001) discard;
vec3 col;
if (useLightTexture) {
vec4 texture1 = texture2D (lightTexture, varCoord1.xy);
col = texture1.rgb * gl_FragColor.rgb;
} else {
col = color.rgb * gl_FragColor.rgb;
}
col += vec3(secondaryColor);
gl_FragColor = vec4 (col, color.a * gl_FragColor.a);
}
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