143         g->codeAppend ("float2 top = pts[i];");  in onEmitGeometryShader()
148         g->codeAppend ("float2 leftbloat = sign(top - left);");  in onEmitGeometryShader()
149         g->codeAppend ("leftbloat = float2(0 != leftbloat.y ? leftbloat.y : leftbloat.x, "  in onEmitGeometryShader()
152         g->codeAppend ("float2 rightbloat = sign(right - top);");  in onEmitGeometryShader()
153         g->codeAppend ("rightbloat = float2(0 != rightbloat.y ? rightbloat.y : rightbloat.x, "  in onEmitGeometryShader()
156         g->codeAppend ("float2 downbloat = sign(left - right);");  in onEmitGeometryShader()
157         g->codeAppend ("downbloat = float2(0 != downbloat.y ? downbloat.y : downbloat.x, "  in onEmitGeometryShader()
161         g->codeAppend ("half4 coverages = half4(+1);");  in onEmitGeometryShader()
164         g->codeAppend ("if (sk_InvocationID >= 2) {"); // Are we an edge?  in onEmitGeometryShader()
168         g->codeAppend (    "coverages.yzw = half3(-1, 0, -1 - coverages[0]);");  in onEmitGeometryShader()
171         g->codeAppend (    "leftbloat = downbloat = -rightbloat;");  in onEmitGeometryShader()
172         g->codeAppend ("}");  in onEmitGeometryShader()
182         g->codeAppend ("if (all(left_right_notequal)) {");  in onEmitGeometryShader()
187         g->codeAppend ("}");  in onEmitGeometryShader()
188         g->codeAppend ("if (any(left_right_notequal)) {");  in onEmitGeometryShader()
191         g->codeAppend ("}");  in onEmitGeometryShader()
204         g->codeAppend ("if (any(right_down_notequal) || 0 == sk_InvocationID) {");  in onEmitGeometryShader()
208         g->codeAppend ("}");  in onEmitGeometryShader()
209         g->codeAppend ("if (all(right_down_notequal) && 0 != sk_InvocationID) {");  in onEmitGeometryShader()
212         g->codeAppend ("}");  in onEmitGeometryShader()
237         g->codeAppend ("int i = sk_InvocationID * 2;");  in onEmitGeometryShader()
244         g->codeAppend ("float2 leftbloat = float2(topleft.y > bottomleft.y ? +1 : -1, "  in onEmitGeometryShader()
246         g->codeAppend ("float2 upbloat = float2(topright.y > topleft.y ? +1 : -1, "  in onEmitGeometryShader()
248         g->codeAppend ("float2 rightbloat = float2(bottomright.y > topright.y ? +1 : -1, "  in onEmitGeometryShader()
257         g->codeAppend ("if (all(left_up_notequal)) {");  in onEmitGeometryShader()
261         g->codeAppend ("}");  in onEmitGeometryShader()
262         g->codeAppend ("if (any(left_up_notequal)) {");  in onEmitGeometryShader()
265         g->codeAppend ("}");  in onEmitGeometryShader()
274         g->codeAppend ("if (any(up_right_notequal)) {");  in onEmitGeometryShader()
276         g->codeAppend ("}");  in onEmitGeometryShader()
277         g->codeAppend ("if (all(up_right_notequal)) {");  in onEmitGeometryShader()
279         g->codeAppend ("}");  in onEmitGeometryShader()
310         g->codeAppend ("float2 leftdir = corner - left;");  in onEmitGeometryShader()
311         g->codeAppend ("leftdir = (float2(0) != leftdir) ? normalize(leftdir) : float2(1, 0);");  in onEmitGeometryShader()
313         g->codeAppend ("float2 rightdir = right - corner;");  in onEmitGeometryShader()
314         g->codeAppend ("rightdir = (float2(0) != rightdir) ? normalize(rightdir) : float2(1, 0);");  in onEmitGeometryShader()
319         g->codeAppend ("float2 outbloat = float2(leftdir.x > rightdir.x ? +1 : -1, "  in onEmitGeometryShader()
321         g->codeAppend ("float2 crossbloat = float2(-outbloat.y, +outbloat.x);");  in onEmitGeometryShader()
323         g->codeAppend ("half attenuation; {");  in onEmitGeometryShader()
325         g->codeAppend ("}");  in onEmitGeometryShader()
328             g->codeAppend ("half2 left_coverages; {");  in onEmitGeometryShader()
331             g->codeAppend ("}");  in onEmitGeometryShader()
333             g->codeAppend ("half2 right_coverages; {");  in onEmitGeometryShader()
336             g->codeAppend ("}");  in onEmitGeometryShader()