498         f->codeAppendf("half4 %s;", args.fOutputColor);  in onEmitCode()
505         v->codeAppendf("float aa_bloat_multiplier = %i;",  in onEmitCode()
550             v->codeAppendf("coverage = (coverage - .5) * aa_bloat_multiplier + .5;");  in onEmitCode()
624         v->codeAppendf(    "%s.xy = float2(0, coverage * coverage_multiplier);",  in onEmitCode()
633         v->codeAppendf(    "%s.xy = float2(arccoord.x+1, arccoord.y);", arcCoord.vsOut());  in onEmitCode()
636             v->codeAppendf("float2x2 derivatives = inverse(skewmatrix);");  in onEmitCode()
637             v->codeAppendf("%s.zw = derivatives * (arccoord/radii * 2);", arcCoord.vsOut());  in onEmitCode()
642         f->codeAppendf("float x_plus_1=%s.x, y=%s.y;", arcCoord.fsIn(), arcCoord.fsIn());  in onEmitCode()
643         f->codeAppendf("half coverage;");  in onEmitCode()
644         f->codeAppendf("if (0 == x_plus_1) {");  in onEmitCode()
645         f->codeAppendf(    "coverage = half(y);");  // We are a non-arc pixel (linear coverage).  in onEmitCode()
646         f->codeAppendf("} else {");  in onEmitCode()
647         f->codeAppendf(    "float fn = x_plus_1 * (x_plus_1 - 2);");  // fn = (x+1)*(x-1) = x^2-1  in onEmitCode()
648         f->codeAppendf(    "fn = fma(y,y, fn);");  // fn = x^2 + y^2 - 1  in onEmitCode()
650             f->codeAppendf("float fnwidth = fwidth(fn);");  in onEmitCode()
653             f->codeAppendf("float gx=%s.z, gy=%s.w;", arcCoord.fsIn(), arcCoord.fsIn());  in onEmitCode()
654             f->codeAppendf("float fnwidth = abs(gx) + abs(gy);");  in onEmitCode()
656         f->codeAppendf(    "coverage = .5 - half(fn/fnwidth);");  in onEmitCode()
659             f->codeAppendf("}");  in onEmitCode()
661         f->codeAppendf("coverage = clamp(coverage, 0, 1);");  in onEmitCode()
664             f->codeAppendf("}");  in onEmitCode()
667             f->codeAppendf("coverage = (coverage >= .5) ? 1 : 0;");  in onEmitCode()
669         f->codeAppendf("half4 %s = half4(coverage);", args.fOutputCoverage);  in onEmitCode()