support for 'half' types in sksl, plus general numeric type improvements

Bug: skia:
Change-Id: Id285262fda8291847f11343d499b5df62ddb4b09
Reviewed-on: https://skia-review.googlesource.com/28980
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/sksl/ir/SkSLExpression.h b/src/sksl/ir/SkSLExpression.h
index 89a1a1e84a..286610f078 100644
--- a/src/sksl/ir/SkSLExpression.h
+++ b/src/sksl/ir/SkSLExpression.h
@@ -85,6 +85,10 @@ struct Expression : public IRNode {
         return nullptr;
     }
 
+    virtual int coercionCost(const Type& target) const {
+        return fType.coercionCost(target);
+    }
+
     const Kind fKind;
     const Type& fType;