blob: c830577affd9a0c60ecc4a71f893a662659f441e [file] [log] [blame]
#version 100
#extension GL_OES_standard_derivatives : require
precision mediump float;
uniform highp sampler2D uTextureSampler_0_Stage0;
varying mediump vec4 vinColor_Stage0;
varying highp vec2 vTextureCoords_Stage0;
varying highp vec2 vIntTextureCoords_Stage0;
void main() {
vec4 outputColor_Stage0;
vec4 outputCoverage_Stage0;
{
outputColor_Stage0 = vinColor_Stage0;
highp vec2 uv = vTextureCoords_Stage0;
float texColor = texture2D(uTextureSampler_0_Stage0, uv).wwww.x;
float distance = 7.96875 * (texColor - 0.50196078431000002);
float afwidth;
vec2 dist_grad = vec2(dFdx(distance), dFdy(distance));
float dg_len2 = dot(dist_grad, dist_grad);
if (dg_len2 < 0.0001) {
dist_grad = vec2(0.70709999999999995, 0.70709999999999995);
} else {
dist_grad = dist_grad * inversesqrt(dg_len2);
}
vec2 Jdx = dFdx(vIntTextureCoords_Stage0);
vec2 Jdy = dFdy(vIntTextureCoords_Stage0);
vec2 grad = vec2(dist_grad.x * Jdx.x + dist_grad.y * Jdy.x, dist_grad.x * Jdx.y + dist_grad.y * Jdy.y);
afwidth = 0.65000000000000002 * length(grad);
float val = smoothstep(-afwidth, afwidth, distance);
outputCoverage_Stage0 = vec4(val);
}
{
gl_FragColor = outputColor_Stage0 * outputCoverage_Stage0;
}
}