8daf812930* Sync of all the shaders from upstream + LoadFontData did not match anymore with C and crashed on MacOS * Updated JuliaSet demo. Did not work with the new shader version. * Removed unused `pause` variable from JuliaSet example. --------- Co-authored-by: Meatcorps <info@meatcorps.nl>
29 lines
No EOL
677 B
GLSL
29 lines
No EOL
677 B
GLSL
#version 120
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// Input vertex attributes (from vertex shader)
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varying vec2 fragTexCoord;
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varying vec4 fragColor;
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// Input uniform values
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uniform sampler2D texture0;
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uniform vec4 colDiffuse;
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// NOTE: Add your custom variables here
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void main()
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{
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vec3 color = texture2D(texture0, fragTexCoord).rgb;
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vec3 colors[3];
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colors[0] = vec3(0.0, 0.0, 1.0);
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colors[1] = vec3(1.0, 1.0, 0.0);
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colors[2] = vec3(1.0, 0.0, 0.0);
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float lum = (color.r + color.g + color.b)/3.0;
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vec3 tc = vec3(0.0, 0.0, 0.0);
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if (lum < 0.5) tc = mix(colors[0], colors[1], lum/0.5);
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else tc = mix(colors[1], colors[2], (lum - 0.5)/0.5);
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gl_FragColor = vec4(tc, 1.0);
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} |