mirror of
https://github.com/Ttanasart-pt/Pixel-Composer.git
synced 2024-09-21 04:41:52 +02:00
26 lines
781 B
GLSL
26 lines
781 B
GLSL
varying vec2 v_vTexcoord;
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varying vec4 v_vColour;
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#define SRGB_TO_LINEAR(c) pow((c), vec3(2.2))
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#define LINEAR_TO_SRGB(c) pow((c), vec3(1.0 / 2.2))
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#define SRGB(r, g, b) SRGB_TO_LINEAR(vec3(r, g, b) / 255.0)
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void main() {
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vec4 c = texture2D( gm_BaseTexture, v_vTexcoord );
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vec3 COLOR0 = SRGB(252., 3., 111.);
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vec3 COLOR1 = SRGB(190., 3., 252.);
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float t = length(v_vTexcoord) / sqrt(2.);
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t = smoothstep(0.0, 1.0, clamp(t, 0.0, 1.0));
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vec3 color = mix(COLOR0, COLOR1, t);
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color = LINEAR_TO_SRGB(color);
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vec4 b = vec4(color, 1.);
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float lum = dot(c.rgb, vec3(0.2126, 0.7152, 0.0722));
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vec4 blend = lum > 0.5? (1. - (1. - 2. * (b - 0.5)) * (1. - c)) : ((2. * b) * c);
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blend = 0.5 + (blend * 1.75 - 0.5) * 0.66;
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gl_FragColor = blend;
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} |