From: Jason Ekstrand <jason.ekstrand@intel.com>
Date: Wed, 23 Dec 2015 20:45:13 +0000 (-0800)
Subject: nir/spirv: Better document vtn_ssa_value.transposed
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=66168a798ba95c606f33a99f569949260dfa5086;p=mesa.git

nir/spirv: Better document vtn_ssa_value.transposed
---

diff --git a/src/glsl/nir/spirv_to_nir_private.h b/src/glsl/nir/spirv_to_nir_private.h
index edc3461b846..6b53fa3bfba 100644
--- a/src/glsl/nir/spirv_to_nir_private.h
+++ b/src/glsl/nir/spirv_to_nir_private.h
@@ -76,8 +76,9 @@ struct vtn_ssa_value {
       struct vtn_ssa_value **elems;
    };
 
-   /* For matrices, a transposed version of the value, or NULL if it hasn't
-    * been computed
+   /* For matrices, if this is non-NULL, then this value is actually the
+    * transpose of some other value.  The value that `transposed` points to
+    * always dominates this value.
     */
    struct vtn_ssa_value *transposed;