193             fragBuilder->codeAppendf("float2 dxy0 = %s.xy - sk_FragCoord.xy;", rectName);  in emitCode()
194             fragBuilder->codeAppendf("float2 dxy1 = sk_FragCoord.xy - %s.zw;", rectName);  in emitCode()
196             fragBuilder->codeAppendf("half alpha = half(%s);", clampedCircleDistance.c_str());  in emitCode()
199             fragBuilder->codeAppendf("float2 dxy = max(%s.xy - sk_FragCoord.xy, 0.0);",  in emitCode()
201             fragBuilder->codeAppendf("half rightAlpha = half(saturate(%s.z - sk_FragCoord.x));",  in emitCode()
203             fragBuilder->codeAppendf("half bottomAlpha = half(saturate(%s.w - sk_FragCoord.y));",  in emitCode()
205             fragBuilder->codeAppendf("half alpha = bottomAlpha * rightAlpha * half(%s);",  in emitCode()
209             fragBuilder->codeAppendf("float2 dxy = max(float2(sk_FragCoord.x - %s.z, "  in emitCode()
212             fragBuilder->codeAppendf("half leftAlpha = half(saturate(sk_FragCoord.x - %s.x));",  in emitCode()
214             fragBuilder->codeAppendf("half bottomAlpha = half(saturate(%s.w - sk_FragCoord.y));",  in emitCode()
216             fragBuilder->codeAppendf("half alpha = bottomAlpha * leftAlpha * half(%s);",  in emitCode()
220             fragBuilder->codeAppendf("float2 dxy = max(sk_FragCoord.xy - %s.zw, 0.0);",  in emitCode()
222             fragBuilder->codeAppendf("half leftAlpha = half(saturate(sk_FragCoord.x - %s.x));",  in emitCode()
224             fragBuilder->codeAppendf("half topAlpha = half(saturate(sk_FragCoord.y - %s.y));",  in emitCode()
226             fragBuilder->codeAppendf("half alpha = topAlpha * leftAlpha * half(%s);",  in emitCode()
230             fragBuilder->codeAppendf("float2 dxy = max(float2(%s.x - sk_FragCoord.x, "  in emitCode()
233             fragBuilder->codeAppendf("half rightAlpha = half(saturate(%s.z - sk_FragCoord.x));",  in emitCode()
235             fragBuilder->codeAppendf("half topAlpha = half(saturate(sk_FragCoord.y - %s.y));",  in emitCode()
237             fragBuilder->codeAppendf("half alpha = topAlpha * rightAlpha * half(%s);",  in emitCode()
241             fragBuilder->codeAppendf("float2 dxy0 = %s.xy - sk_FragCoord.xy;", rectName);  in emitCode()
242             fragBuilder->codeAppendf("float dy1 = sk_FragCoord.y - %s.w;", rectName);  in emitCode()
244             fragBuilder->codeAppendf("half rightAlpha = half(saturate(%s.z - sk_FragCoord.x));",  in emitCode()
246             fragBuilder->codeAppendf("half alpha = rightAlpha * half(%s);",  in emitCode()
250             fragBuilder->codeAppendf("float2 dxy0 = %s.xy - sk_FragCoord.xy;", rectName);  in emitCode()
251             fragBuilder->codeAppendf("float dx1 = sk_FragCoord.x - %s.z;", rectName);  in emitCode()
253             fragBuilder->codeAppendf("half bottomAlpha = half(saturate(%s.w - sk_FragCoord.y));",  in emitCode()
255             fragBuilder->codeAppendf("half alpha = bottomAlpha * half(%s);",  in emitCode()
259             fragBuilder->codeAppendf("float dy0 = %s.y - sk_FragCoord.y;", rectName);  in emitCode()
260             fragBuilder->codeAppendf("float2 dxy1 = sk_FragCoord.xy - %s.zw;", rectName);  in emitCode()
262             fragBuilder->codeAppendf("half leftAlpha = half(saturate(sk_FragCoord.x - %s.x));",  in emitCode()
264             fragBuilder->codeAppendf("half alpha = leftAlpha * half(%s);",  in emitCode()
268             fragBuilder->codeAppendf("float dx0 = %s.x - sk_FragCoord.x;", rectName);  in emitCode()
269             fragBuilder->codeAppendf("float2 dxy1 = sk_FragCoord.xy - %s.zw;", rectName);  in emitCode()
271             fragBuilder->codeAppendf("half topAlpha = half(saturate(sk_FragCoord.y - %s.y));",  in emitCode()
273             fragBuilder->codeAppendf("half alpha = topAlpha * half(%s);",  in emitCode()
282     fragBuilder->codeAppendf("%s = %s * alpha;", args.fOutputColor, args.fInputColor);  in emitCode()
522     fragBuilder->codeAppendf("float2 dxy0 = %s.xy - sk_FragCoord.xy;", rectName);  in emitCode()
523     fragBuilder->codeAppendf("float2 dxy1 = sk_FragCoord.xy - %s.zw;", rectName);  in emitCode()
544                 fragBuilder->codeAppendf("dxy *= %s.y;", scaleName);  in emitCode()
547             fragBuilder->codeAppendf("float2 Z = dxy * %s.xy;", invRadiiXYSqdName);  in emitCode()
557                 fragBuilder->codeAppendf("dxy0 *= %s.y;", scaleName);  in emitCode()
558                 fragBuilder->codeAppendf("dxy1 *= %s.y;", scaleName);  in emitCode()
564             fragBuilder->codeAppendf("float2 Z = max(max(dxy0 * %s.xy, dxy1 * %s.zw), 0.0);",  in emitCode()
580         fragBuilder->codeAppendf("approx_dist *= %s.x;", scaleName);  in emitCode()
589     fragBuilder->codeAppendf("%s = %s * alpha;", args.fOutputColor, args.fInputColor);  in emitCode()