support new DlVertices object in dispatcher (flutter#108)

Author: flar

impeller/display_list/display_list_dispatcher.cc

@@ -561,7 +561,14 @@ void DisplayListDispatcher::drawPoints(SkCanvas::PointMode mode,
 }
 
 // |flutter::Dispatcher|
-void DisplayListDispatcher::drawVertices(const sk_sp<SkVertices> vertices,
+void DisplayListDispatcher::drawSkVertices(const sk_sp<SkVertices> vertices,
+                                           SkBlendMode mode) {
+  // Needs https://github.com/flutter/flutter/issues/95434
+  UNIMPLEMENTED;
+}
+
+// |flutter::Dispatcher|
+void DisplayListDispatcher::drawVertices(const flutter::DlVertices* vertices,
                                          flutter::DlBlendMode mode) {
   // Needs https://github.com/flutter/flutter/issues/95434
   UNIMPLEMENTED;

impeller/display_list/display_list_dispatcher.h

@@ -168,7 +168,11 @@ class DisplayListDispatcher final : public flutter::Dispatcher {
                   const SkPoint points[]) override;
 
   // |flutter::Dispatcher|
-  void drawVertices(const sk_sp<SkVertices> vertices,
+  void drawSkVertices(const sk_sp<SkVertices> vertices,
+                      SkBlendMode mode) override;
+
+  // |flutter::Dispatcher|
+  void drawVertices(const flutter::DlVertices* vertices,
                     flutter::DlBlendMode mode) override;
 
   // |flutter::Dispatcher|