blob: 069aedadc501fb6bfe3fe8a58d4942efe11b2545 [file] [log] [blame]
#version 100
precision mediump float;
uniform vec3 ucircle_Stage1;
uniform float uRTHeight;
varying vec4 vColor;
varying vec4 vCircleEdge_Stage0;
void main() {
vec4 fragCoordYDown = vec4(gl_FragCoord.x, uRTHeight - gl_FragCoord.y, 1.0, 1.0);
vec4 output_Stage0;
{
// Stage 0: CircleEdge
float d = length(vCircleEdge_Stage0.xy);
float edgeAlpha = clamp(vCircleEdge_Stage0.z - d, 0.0, 1.0);
output_Stage0 = vec4(edgeAlpha);
}
vec4 output_Stage1;
{
// Stage 1: Circle
float d = length(ucircle_Stage1.xy - fragCoordYDown.xy) - ucircle_Stage1.z;
d = clamp(d, 0.0, 1.0);
output_Stage1 = (output_Stage0 * d);
}
gl_FragColor = (vColor * output_Stage1);
}