40 lines
No EOL
1.3 KiB
GLSL
40 lines
No EOL
1.3 KiB
GLSL
// POISSON FILL (DEFAULT)
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// #define PYRAMID_H1 1.0334, 0.6836, 0.1507
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// #define PYRAMID_H2 0.0270
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// #define PYRAMID_G 0.7753, 0.0312
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// LAPLACIAN INTEGRATOR
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// #define PYRAMID_H1 0.7, 0.5, 0.15
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// #define PYRAMID_H2 1.0
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// #define PYRAMID_G 0.547, 0.175
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#include "pyramid/downscale.glsl"
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#include "pyramid/upscale.glsl"
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/*
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contributors: Patricio Gonzalez Vivo
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description: down and up scaling functions for convolution pyramid https://www.cs.huji.ac.il/labs/cglab/projects/convpyr/data/convpyr-small.pdf
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use: pyramid(<SAMPLER_TYPE> texture0, <SAMPLER_TYPE> texture1, <vec2> st, <vec2> pixel,
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<bool> upscale)
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options:
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- PYRAMID_H1: 1.0334, 0.6836, 0.1507
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- PYRAMID_H2: 0.027
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- PYRAMID_G: 0.7753, 0.0312
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license:
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- Copyright (c) 2021 Patricio Gonzalez Vivo under Prosperity License - https://prosperitylicense.com/versions/3.0.0
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- Copyright (c) 2021 Patricio Gonzalez Vivo under Patron License - https://lygia.xyz/license
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*/
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#ifndef FNC_PYRAMID
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#define FNC_PYRAMID
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vec4 pyramid(SAMPLER_TYPE tex0, SAMPLER_TYPE tex1, vec2 st, vec2 pixel, bool upscale) {
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vec4 color = vec4(0.0);
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if (!upscale) {
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color = pyramidDownscale(tex0, st, pixel);
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}
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else {
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color = pyramidUpscale(tex0, tex1, st, pixel);
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}
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return (color.a == 0.0)? color : vec4(color.rgb/color.a, 1.0);
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}
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#endif |