tgsi: Document ARB_vertex_program instruction set operations.

diff --git a/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt b/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt
index 88771bc9097ab362021edd172814885ea40d3289..43193ebb99386e17d6d082c46e419ac600790e9d 100644 (file)
--- a/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt
+++ b/src/gallium/auxiliary/tgsi/tgsi-instruction-set.txt
@@ -568,3 +568,19 @@ TGSI Instruction Specification
   dst.w = (src.w > 0.0) ? 1.0 : (src.w < 0.0) ? -1.0 : 0.0
 
 
+1.7  GL_ARB_vertex_program
+--------------------------
+
+
+1.7.1  SWZ - Extended Swizzle
+
+  dst.x = src.x
+  dst.y = src.y
+  dst.z = src.z
+  dst.w = src.w
+
+
+1.7.2  XPD - Cross Product
+
+  Alias for CROSSPRODUCT.
+