blob: 03c4cdaf253ca67c5cb19ea757c0c55fca8984ee [file] [log] [blame]
#version 100
uniform highp float u_skRTHeight;
precision mediump float;
uniform vec4 uinnerRect_Stage1;
uniform vec2 uradiusPlusHalf_Stage1;
varying highp vec4 vinCircleEdge_Stage0;
varying mediump vec4 vinColor_Stage0;
void main() {
highp vec2 _sktmpCoord = gl_FragCoord.xy;
highp vec4 sk_FragCoord = vec4(_sktmpCoord.x, u_skRTHeight - _sktmpCoord.y, 1.0, 1.0);
vec4 outputColor_Stage0;
vec4 outputCoverage_Stage0;
{
highp vec4 circleEdge;
circleEdge = vinCircleEdge_Stage0;
outputColor_Stage0 = vinColor_Stage0;
highp float d = length(circleEdge.xy);
float distanceToOuterEdge = circleEdge.z * (1.0 - d);
float edgeAlpha = clamp(distanceToOuterEdge, 0.0, 1.0);
outputCoverage_Stage0 = vec4(edgeAlpha);
}
vec4 output_Stage1;
{
vec2 dxy0 = uinnerRect_Stage1.xy - sk_FragCoord.xy;
vec2 dxy1 = sk_FragCoord.xy - uinnerRect_Stage1.zw;
vec2 dxy = max(max(dxy0, dxy1), 0.0);
float alpha = clamp(uradiusPlusHalf_Stage1.x - length(dxy), 0.0, 1.0);
alpha = 1.0 - alpha;
output_Stage1 = outputCoverage_Stage0 * alpha;
}
{
gl_FragColor = outputColor_Stage0 * output_Stage1;
}
}