diff options
author | ethannicholas <ethannicholas@google.com> | 2016-01-07 13:34:16 -0800 |
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committer | Commit bot <commit-bot@chromium.org> | 2016-01-07 13:34:16 -0800 |
commit | e9709e831954c3427d5cb839e84221a177bfedeb (patch) | |
tree | ac16e276fd2c8262126fb021eae51af0d19833b9 /src/gpu/GrTessellator.h | |
parent | 94da292e39db0d41da08b1d6055ca5e0d6b498cc (diff) |
Broke GrTessellatingPathRenderer's tessellator out into a separate file.
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1557083002
Committed: https://skia.googlesource.com/skia/+/8b05cb8a00bdb82e100f1ba74bf4de4a504cceea
Review URL: https://codereview.chromium.org/1557083002
Diffstat (limited to 'src/gpu/GrTessellator.h')
-rw-r--r-- | src/gpu/GrTessellator.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/gpu/GrTessellator.h b/src/gpu/GrTessellator.h new file mode 100644 index 0000000000..4304920fbc --- /dev/null +++ b/src/gpu/GrTessellator.h @@ -0,0 +1,40 @@ +/* + * Copyright 2015 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#ifndef GrTessellator_DEFINED +#define GrTessellator_DEFINED + +#include "SkPath.h" +#include "GrResourceProvider.h" + +/** + * Provides utility functions for converting paths to a collection of triangles. + */ + +#define TESSELLATOR_WIREFRAME 0 + +namespace GrTessellator { + +struct WindingVertex { + SkPoint fPos; + int fWinding; +}; + +// Triangulates a path to an array of vertices. Each triangle is represented as a set of three +// WindingVertex entries, each of which contains the position and winding count (which is the same +// for all three vertices of a triangle). The 'verts' out parameter is set to point to the resultant +// vertex array. CALLER IS RESPONSIBLE for deleting this buffer to avoid a memory leak! +int PathToVertices(const SkPath& path, SkScalar tolerance, const SkRect& clipBounds, + WindingVertex** verts); + +int PathToTriangles(const SkPath& path, SkScalar tolerance, const SkRect& clipBounds, + GrResourceProvider* resourceProvider, + SkAutoTUnref<GrVertexBuffer>& vertexBuffer, bool canMapVB, bool* isLinear); + +} + +#endif |