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shader/rectangle_frag.glsl@d6c2f028d8c9

shader/rectangle_frag.glsl

Tue, 17 Jun 2025 19:00:20 +0200

author

Mike Becker <universe@uap-core.de>

date

Tue, 17 Jun 2025 19:00:20 +0200

changeset 157

d6c2f028d8c9

parent 151

42960d0c879b

child 158

f650994ec543

permissions

-rw-r--r--

use functions instead of Boolean logic

layout(location = 0) out vec4 diffuse;
in vec2 uvcoord;

uniform vec4 color;
uniform vec2 size;
#ifndef FILL
uniform float thickness;
#endif

void main(void) {
#ifdef FILL
    diffuse = color;
#else
    if (any(notEqual(1.0-step(thickness, uvcoord)+step(size-thickness, uvcoord), vec2(0.0)))) {
        diffuse = color;
    } else {
        discard;
    }
#endif
}