From 14b1cb8d5a27ec9716d3f790fce95f0469e35605 Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Sun, 7 Mar 2010 13:28:57 +0000
Subject: Updated to Mesa 7.7

---
 mesalib/docs/shading.html | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'mesalib/docs/shading.html')

diff --git a/mesalib/docs/shading.html b/mesalib/docs/shading.html
index 77c86be3a..bd02335a8 100644
--- a/mesalib/docs/shading.html
+++ b/mesalib/docs/shading.html
@@ -39,7 +39,8 @@ Contents
 
 <p>
 The <b>MESA_GLSL</b> environment variable can be set to a comma-separated
-list of keywords to control some aspects of the GLSL compiler:
+list of keywords to control some aspects of the GLSL compiler and shader
+execution.  These are generally used for debugging.
 </p>
 <ul>
 <li>dump - print GLSL shader code to stdout at link time
@@ -49,6 +50,12 @@ list of keywords to control some aspects of the GLSL compiler:
 <li>nopt - disable compiler optimizations
 <li>opt - force compiler optimizations
 <li>uniform - print message to stdout when glUniform is called
+<li>nopvert - force vertex shaders to be a simple shader that just transforms
+    the vertex position with ftransform() and passes through the color and
+    texcoord[0] attributes.
+<li>nopfrag - force fragment shader to be a simple shader that passes
+    through the color attribute.
+<li>useprog - log glUseProgram calls to stderr
 </ul>
 <p>
 Example:  export MESA_GLSL=dump,nopt
-- 
cgit v1.2.3