Add conic support to Default and AAConvex path redender.

This is achieved but chopping up conics into quads.

With this change conics should be ready to be used on the gpu side of things

BUG=skia:3258

Review URL: https://codereview.chromium.org/825443002

1 files changed, 8 insertions, 0 deletions

diff --git a/src/gpu/GrPathUtils.cpp b/src/gpu/GrPathUtils.cpp
index 81dc103e02..8e7a01d091 100644
--- a/src/gpu/GrPathUtils.cpp
+++ b/src/gpu/GrPathUtils.cpp
@@ -166,6 +166,14 @@ int GrPathUtils::worstCasePointCount(const SkPath& path, int* subpaths,
             case SkPath::kLine_Verb:
                 pointCount += 1;
                 break;
+            case SkPath::kConic_Verb: {
+                SkScalar weight = iter.conicWeight();
+                SkAutoConicToQuads converter;
+                const SkPoint* quadPts = converter.computeQuads(pts, weight, 0.25f);
+                for (int i = 0; i < converter.countQuads(); ++i) {
+                    pointCount += quadraticPointCount(quadPts + 2*i, tol);
+                }
+            }
             case SkPath::kQuad_Verb:
                 pointCount += quadraticPointCount(pts, tol);
                 break;