264     v->codeAppend ("half wind;");  in onEmitCode()
306     v->codeAppend ("float2 leftbloat = sign(corner - left);");  in onEmitCode()
307     v->codeAppend ("leftbloat = float2(0 != leftbloat.y ? leftbloat.y : leftbloat.x, "  in onEmitCode()
310     v->codeAppend ("float2 rightbloat = sign(right - corner);");  in onEmitCode()
311     v->codeAppend ("rightbloat = float2(0 != rightbloat.y ? rightbloat.y : rightbloat.x, "  in onEmitCode()
314     v->codeAppend ("bool2 left_right_notequal = notEqual(leftbloat, rightbloat);");  in onEmitCode()
316     v->codeAppend ("float2 bloatdir = leftbloat;");  in onEmitCode()
318     v->codeAppend ("float2 leftdir = corner - left;");  in onEmitCode()
319     v->codeAppend ("leftdir = (float2(0) != leftdir) ? normalize(leftdir) : float2(1, 0);");  in onEmitCode()
321     v->codeAppend ("float2 rightdir = right - corner;");  in onEmitCode()
322     v->codeAppend ("rightdir = (float2(0) != rightdir) ? normalize(rightdir) : float2(1, 0);");  in onEmitCode()
330     v->codeAppend (    "bloatdir = float2(leftdir.x > rightdir.x ? +1 : -1, "  in onEmitCode()
337     v->codeAppend ("}");  in onEmitCode()
346     v->codeAppend ("switch (bloatidx) {");  in onEmitCode()
347     v->codeAppend (    "case 3:");  in onEmitCode()
349     v->codeAppend (        "bloatdir = float2(-bloatdir.y, +bloatdir.x);"); // 90 deg CW.  in onEmitCode()
351     v->codeAppend (    "case 2:");  in onEmitCode()
353     v->codeAppend (            "bloatdir = float2(-bloatdir.y, +bloatdir.x);"); // 90 deg CW.  in onEmitCode()
354     v->codeAppend (        "}");  in onEmitCode()
356     v->codeAppend (    "case 1:");  in onEmitCode()
358     v->codeAppend (            "bloatdir = float2(-bloatdir.y, +bloatdir.x);"); // 90 deg CW.  in onEmitCode()
359     v->codeAppend (        "}");  in onEmitCode()
361     v->codeAppend ("}");  in onEmitCode()
363     v->codeAppend ("float2 vertexpos = fma(bloatdir, float2(bloat), corner);");  in onEmitCode()
367     v->codeAppend ("half coverage = +1;");  in onEmitCode()
370         v->codeAppend ("half left_coverage; {");  in onEmitCode()
372         v->codeAppend ("}");  in onEmitCode()
374         v->codeAppend ("half right_coverage; {");  in onEmitCode()
376         v->codeAppend ("}");  in onEmitCode()
380         v->codeAppend (    "coverage = left_coverage;");  in onEmitCode()
381         v->codeAppend ("}");  in onEmitCode()
386         v->codeAppend (    "coverage = -1 - coverage;");  in onEmitCode()
387         v->codeAppend ("}");  in onEmitCode()
392         v->codeAppend ("float nwidth = bloat*2 * (abs(n.x) + abs(n.y));");  in onEmitCode()
395         v->codeAppend ("float d = dot(p0 - vertexpos, n);");  in onEmitCode()
396         v->codeAppend ("d /= (0 != nwidth) ? nwidth : 1;");  in onEmitCode()
397         v->codeAppend ("coverage = half(d) - .5*sign(wind);");  in onEmitCode()
401     v->codeAppend ("half2 corner_coverage = half2(0);");  in onEmitCode()
406     v->codeAppend (    "wind = -wind;");  in onEmitCode()
408         v->codeAppend ("coverage = 1 + left_coverage + right_coverage;");  in onEmitCode()
410         v->codeAppend ("coverage = -coverage;");  in onEmitCode()
414     v->codeAppend (    "half attenuation; {");  in onEmitCode()
416     v->codeAppend (    "}");  in onEmitCode()
423     v->codeAppend (    "corner_coverage = (0 == bloatidx) ? half2(0, attenuation) : half2(-1,+1);");  in onEmitCode()
428         v->codeAppend ("if (1 == bloatidx || 2 == bloatidx) {");  in onEmitCode()
429         v->codeAppend (    "corner_coverage.x -= right_coverage;");  in onEmitCode()
430         v->codeAppend ("}");  in onEmitCode()
431         v->codeAppend ("if (bloatidx >= 2) {");  in onEmitCode()
432         v->codeAppend (    "corner_coverage.x -= left_coverage;");  in onEmitCode()
433         v->codeAppend ("}");  in onEmitCode()
435     v->codeAppend ("}");  in onEmitCode()
438     v->codeAppend ("coverage *= wind;");  in onEmitCode()
439     v->codeAppend ("corner_coverage.x *= wind;");  in onEmitCode()