skeletal animation support added to API and software backend

SkCanvas::drawVertices now supports overloads that take an array of bone deformation matrices.
SkVertices::MakeCopy and SkVertices::Builder now support two additional optional attributes, boneIndices and boneWeights.

Bug: skia:
Change-Id: I30a3b11691e7cdb13924907cc1401ff86d127aea
Reviewed-on: https://skia-review.googlesource.com/137221
Reviewed-by: Brian Osman <brianosman@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Ruiqi Mao <ruiqimao@google.com>

1 files changed, 7 insertions, 3 deletions

diff --git a/src/core/SkRecorder.cpp b/src/core/SkRecorder.cpp
index 65dcd7bb4b..1abd5823af 100644
--- a/src/core/SkRecorder.cpp
+++ b/src/core/SkRecorder.cpp
@@ -317,9 +317,13 @@ void SkRecorder::onDrawPicture(const SkPicture* pic, const SkMatrix* matrix, con
     }
 }
 
-void SkRecorder::onDrawVerticesObject(const SkVertices* vertices, SkBlendMode bmode,
-                                      const SkPaint& paint) {
-    this->append<SkRecords::DrawVertices>(paint, sk_ref_sp(const_cast<SkVertices*>(vertices)), bmode);
+void SkRecorder::onDrawVerticesObject(const SkVertices* vertices, const SkMatrix* bones,
+                                      int boneCount, SkBlendMode bmode, const SkPaint& paint) {
+    this->append<SkRecords::DrawVertices>(paint,
+                                          sk_ref_sp(const_cast<SkVertices*>(vertices)),
+                                          this->copy(bones, boneCount),
+                                          boneCount,
+                                          bmode);
 }
 
 void SkRecorder::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],