blob: b1749e34235dad101ead56414b3deec020ac73c8 [file] [log] [blame]
#version 100
uniform highp float u_skRTHeight;
precision mediump float;
precision mediump sampler2D;
uniform mediump vec4 uscaleAndTranslate_Stage1;
uniform mediump vec4 uTexDom_Stage1;
uniform mediump vec3 uDecalParams_Stage1;
uniform sampler2D uTextureSampler_0_Stage1;
varying highp vec3 vEllipseOffsets_Stage0;
varying highp vec4 vEllipseRadii_Stage0;
varying mediump vec4 vinColor_Stage0;
void main() {
highp vec4 sk_FragCoord = vec4(gl_FragCoord.x, u_skRTHeight - gl_FragCoord.y, gl_FragCoord.z, gl_FragCoord.w);
mediump vec4 outputColor_Stage0;
mediump vec4 outputCoverage_Stage0;
{
outputColor_Stage0 = vinColor_Stage0;
highp vec2 offset = vEllipseOffsets_Stage0.xy;
offset *= vEllipseRadii_Stage0.xy;
highp float test = dot(offset, offset) - 1.0;
highp vec2 grad = (2.0 * offset) * (vEllipseOffsets_Stage0.z * vEllipseRadii_Stage0.xy);
highp float grad_dot = dot(grad, grad);
grad_dot = max(grad_dot, 6.103600026108325e-05);
highp float invlen = vEllipseOffsets_Stage0.z * inversesqrt(grad_dot);
highp float edgeAlpha = clamp(0.5 - test * invlen, 0.0, 1.0);
offset = vEllipseOffsets_Stage0.xy * vEllipseRadii_Stage0.zw;
test = dot(offset, offset) - 1.0;
grad = (2.0 * offset) * (vEllipseOffsets_Stage0.z * vEllipseRadii_Stage0.zw);
grad_dot = dot(grad, grad);
grad_dot = max(grad_dot, 6.103600026108325e-05);
invlen = vEllipseOffsets_Stage0.z * inversesqrt(grad_dot);
edgeAlpha *= clamp(0.5 + test * invlen, 0.0, 1.0);
outputCoverage_Stage0 = vec4(edgeAlpha);
}
mediump vec4 output_Stage1;
{
mediump vec2 coords = sk_FragCoord.xy * uscaleAndTranslate_Stage1.xy + uscaleAndTranslate_Stage1.zw;
{
highp vec2 origCoord = coords;
highp vec2 clampedCoord = clamp(origCoord, uTexDom_Stage1.xy, uTexDom_Stage1.zw);
mediump vec4 inside = texture2D(uTextureSampler_0_Stage1, clampedCoord).wwww * outputCoverage_Stage0;
mediump float err = max(abs(clampedCoord.x - origCoord.x) * uDecalParams_Stage1.x, abs(clampedCoord.y - origCoord.y) * uDecalParams_Stage1.y);
if (err > uDecalParams_Stage1.z) {
err = 1.0;
} else if (uDecalParams_Stage1.z < 1.0) {
err = 0.0;
}
output_Stage1 = mix(inside, vec4(0.0, 0.0, 0.0, 0.0), err);
}
}
{
gl_FragColor = outputColor_Stage0 * output_Stage1;
}
}