From 9763afa02801848c421e0059352bd4ff26b7910e Mon Sep 17 00:00:00 2001
From: Andrew Woloszyn <awoloszyn@google.com>
Date: Fri, 25 May 2018 10:19:14 -0400
Subject: [PATCH] Optimize byte slice copies

---
 gapis/api/templates/api.go.tmpl | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/gapis/api/templates/api.go.tmpl b/gapis/api/templates/api.go.tmpl
index 681fc631f8..5b5a4c9427 100644
--- a/gapis/api/templates/api.go.tmpl
+++ b/gapis/api/templates/api.go.tmpl
@@ -628,11 +628,15 @@ import (
     func (s {{$slice_ty}}) Read(ϟctx context.Context, ϟc ϟapi.Cmd, ϟg *ϟapi.GlobalState, ϟb *builder.Builder) ([]{{$el_ty}}, error) {
       ϟa := ϟg.Arena; _ = ϟa
       s.OnRead(ϟctx, ϟc, ϟg, ϟb)
-      ϟd := s.Decoder(ϟctx, ϟg)
       out := make([]{{$el_ty}}, s.count)
-      for i := range out {
-        out[i] = {{Template "Go.Decode" $s.To}}
-      }
+      ϟd := s.Decoder(ϟctx, ϟg)
+      {{if IsU8 $s.To}}
+        ϟd.Data(out)
+      {{else}}
+        for i := range out {
+          out[i] = {{Template "Go.Decode" $s.To}}
+        }
+      {{end}}
       if err := ϟd.Error(); err != nil {
         return nil, err
       }