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diff --git a/src/mesa/main/mesa.conf b/src/mesa/main/mesa.conf
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+;; -*-lisp-*-
+;;
+;; KW: New mesa configuration file, syntax following a lisp style.
+;;
+;; valid syntax:
+;; 
+;; (include filename) 
+;;     - not implemented
+;;
+;; (config-mesa version configs)
+;;
+;; where:
+;;    version - is the version number of mesa for which the configuration
+;;    was written.  Future versions will use this to check for upwards
+;;    compatibility.  There is however no guarentee that old configurations
+;;    will continue to be respected.
+;;
+;;    configs - is a list of valid configuration lists, as specified by: 
+;;
+;;       (set-var variable value) - not implemented, use to augment env vars
+;;       (set-env variable value) - not implemented, use to augment env vars
+;;       (default-hint variable value)
+;;       (disable-extension name)
+;;
+;; Mesa will look for an environment variable MESA_CONFIG, and try to
+;; execute that profile.  Otherwise, it will fallback to the profile
+;; with the same name as the current mesa version.  As default
+;; profiles should normally be empty or near-empty, this should be
+;; sufficiently powerful.
+;;
+
+
+;; Default profile - should normally be an empty list of
+;; configurations.
+;;
+(config-mesa mesa3.1beta1 ())
+
+
+
+;; Really is an empty config.
+;;
+(config-mesa empty ())
+
+
+
+;; Turn off some compliance for the sake of speed.  
+;;
+(config-mesa quake2
+ (
+  ;; Quake2 likes this extension, but it really hurts performance if
+  ;; you don't also disable software fallbacks, below.  (And do
+  ;; something else to stop the eye-space calculations too...)
+  ;;
+  (disable-extension GL_EXT_point_parameters) 
+
+  ;; These hints are honoured only by the 3dfx driver - the X driver
+  ;; continues to function even if you specify hardware-only
+  ;; rendering.
+  ;;
+  ;(default-hint GL_ALLOW_DRAW_OBJ_HINT_PGI GL_TRUE)   ; wishful thinking
+  ;(default-hint GL_ALLOW_DRAW_WIN_HINT_PGI GL_TRUE)   ; allow 3dfx hardware...
+  ;(default-hint GL_ALLOW_DRAW_SPN_HINT_PGI GL_FALSE)  ; no software spans
+  ;(default-hint GL_ALLOW_DRAW_MEM_HINT_PGI GL_FALSE)  ; no softare pixels
+
+  ;; Lock in the hints specified above.
+  ;;
+  (disable-extension GL_PGI_misc_hints)))    
+
+
+
+  
+
+
+