| #version 100 |
| |
| uniform highp float u_skRTHeight; |
| precision mediump float; |
| uniform vec4 ucircle_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; |
| { |
| float d; |
| { |
| d = (length((ucircle_Stage1.xy - sk_FragCoord.xy) * ucircle_Stage1.w) - 1.0) * ucircle_Stage1.z; |
| } |
| { |
| d = clamp(d, 0.0, 1.0); |
| } |
| output_Stage1 = outputCoverage_Stage0 * d; |
| } |
| { |
| gl_FragColor = outputColor_Stage0 * output_Stage1; |
| } |
| } |