added GrSkSLFP and converted DitherEffect to use it

Bug: skia:
Change-Id: I84b71165eab1712355f3c7669cee2d33d259f3df
Reviewed-on: https://skia-review.googlesource.com/124504
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/src/sksl/ir/SkSLFunctionDefinition.h b/src/sksl/ir/SkSLFunctionDefinition.h
index e0dabc5791..4ec559756c 100644
--- a/src/sksl/ir/SkSLFunctionDefinition.h
+++ b/src/sksl/ir/SkSLFunctionDefinition.h
@@ -24,6 +24,11 @@ struct FunctionDefinition : public ProgramElement {
     , fDeclaration(declaration)
     , fBody(std::move(body)) {}
 
+    std::unique_ptr<ProgramElement> clone() const override {
+        return std::unique_ptr<ProgramElement>(new FunctionDefinition(fOffset, fDeclaration,
+                                                                      fBody->clone()));
+    }
+
     String description() const override {
         return fDeclaration.description() + " " + fBody->description();
     }