From c878a819d79da42bfdaefb8a1dea8a452c808df6 Mon Sep 17 00:00:00 2001
From: Subv <subv2112@gmail.com>
Date: Sat, 8 Sep 2018 16:13:02 -0500
Subject: Shaders: Implemented multiple-word loads and stores to and from
 attribute memory.

This seems to be an optimization performed by nouveau.
---
 src/video_core/engines/shader_bytecode.h | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'src/video_core/engines')

diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h
index 58f2904ce..d6e2397f2 100644
--- a/src/video_core/engines/shader_bytecode.h
+++ b/src/video_core/engines/shader_bytecode.h
@@ -67,6 +67,13 @@ private:
     u64 value{};
 };
 
+enum class AttributeSize : u64 {
+    Word = 0,
+    DoubleWord = 1,
+    TripleWord = 2,
+    QuadWord = 3,
+};
+
 union Attribute {
     Attribute() = default;
 
@@ -87,9 +94,10 @@ union Attribute {
     };
 
     union {
+        BitField<20, 10, u64> immediate;
         BitField<22, 2, u64> element;
         BitField<24, 6, Index> index;
-        BitField<47, 3, u64> size;
+        BitField<47, 3, AttributeSize> size;
     } fmt20;
 
     union {
-- 
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