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fcf3b03 | 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 31 32 33 34 35 36 37 38 39 40 | varying vec3 v_data;
#pragma mapbox: define highp vec4 color
#pragma mapbox: define mediump float radius
#pragma mapbox: define lowp float blur
#pragma mapbox: define lowp float opacity
#pragma mapbox: define highp vec4 stroke_color
#pragma mapbox: define mediump float stroke_width
#pragma mapbox: define lowp float stroke_opacity
void main() {
#pragma mapbox: initialize highp vec4 color
#pragma mapbox: initialize mediump float radius
#pragma mapbox: initialize lowp float blur
#pragma mapbox: initialize lowp float opacity
#pragma mapbox: initialize highp vec4 stroke_color
#pragma mapbox: initialize mediump float stroke_width
#pragma mapbox: initialize lowp float stroke_opacity
vec2 extrude = v_data.xy;
float extrude_length = length(extrude);
lowp float antialiasblur = v_data.z;
float antialiased_blur = -max(blur, antialiasblur);
float opacity_t = smoothstep(0.0, antialiased_blur, extrude_length - 1.0);
float color_t = stroke_width < 0.01 ? 0.0 : smoothstep(
antialiased_blur,
0.0,
extrude_length - radius / (radius + stroke_width)
);
gl_FragColor = opacity_t * mix(color * opacity, stroke_color * stroke_opacity, color_t);
#ifdef OVERDRAW_INSPECTOR
gl_FragColor = vec4(1.0);
#endif
}
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