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

This reverts commit 0e9605542444a7653359f4fc610f7620df9f6313.

Bug: skia:
Change-Id: Id45d091c1950887316c901ed9c9281181f346bcf
Reviewed-on: https://skia-review.googlesource.com/29602
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/sksl/ir/SkSLIntLiteral.h b/src/sksl/ir/SkSLIntLiteral.h
index d8eba5573a..6199f96610 100644
--- a/src/sksl/ir/SkSLIntLiteral.h
+++ b/src/sksl/ir/SkSLIntLiteral.h
@@ -40,6 +40,13 @@ struct IntLiteral : public Expression {
         return fValue == i.fValue;
     }
 
+    int coercionCost(const Type& target) const override {
+        if (target.isUnsigned()) {
+            return 0;
+        }
+        return INHERITED::coercionCost(target);
+    }
+
     const int64_t fValue;
 
     typedef Expression INHERITED;