123     GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;  in emitCode()  local
124     const char* fragmentPos = fragBuilder->fragmentPosition();  in emitCode()
132         fragBuilder->codeAppendf("float d = (length((%s.xy - %s.xy) * %s.w) - 1.0) * %s.z;",  in emitCode()
135         fragBuilder->codeAppendf("float d = (1.0 - length((%s.xy - %s.xy) *  %s.w)) * %s.z;",  in emitCode()
139         fragBuilder->codeAppend("d = clamp(d, 0.0, 1.0);");  in emitCode()
141         fragBuilder->codeAppend("d = d > 0.5 ? 1.0 : 0.0;");  in emitCode()
144     fragBuilder->codeAppendf("%s = %s;", args.fOutputColor,  in emitCode()
304     GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;  in emitCode()  local
305     const char* fragmentPos = fragBuilder->fragmentPosition();  in emitCode()
308     fragBuilder->codeAppendf("vec2 d = %s.xy - %s.xy;", fragmentPos, ellipseName);  in emitCode()
310         fragBuilder->codeAppendf("d *= %s.y;", scaleName);  in emitCode()
312     fragBuilder->codeAppendf("vec2 Z = d * %s.zw;", ellipseName);  in emitCode()
314     fragBuilder->codeAppend("float implicit = dot(Z, d) - 1.0;");  in emitCode()
316     fragBuilder->codeAppendf("float grad_dot = 4.0 * dot(Z, Z);");  in emitCode()
318     fragBuilder->codeAppend("grad_dot = max(grad_dot, 1.0e-4);");  in emitCode()
319     fragBuilder->codeAppendf("float approx_dist = implicit * inversesqrt(grad_dot);");  in emitCode()
321         fragBuilder->codeAppendf("approx_dist *= %s.x;", scaleName);  in emitCode()
326             fragBuilder->codeAppend("float alpha = clamp(0.5 - approx_dist, 0.0, 1.0);");  in emitCode()
329             fragBuilder->codeAppend("float alpha = clamp(0.5 + approx_dist, 0.0, 1.0);");  in emitCode()
332             fragBuilder->codeAppend("float alpha = approx_dist > 0.0 ? 0.0 : 1.0;");  in emitCode()
335             fragBuilder->codeAppend("float alpha = approx_dist > 0.0 ? 1.0 : 0.0;");  in emitCode()
341     fragBuilder->codeAppendf("%s = %s;", args.fOutputColor,  in emitCode()