i965: Store the command parser version number in intel_screen

In order to detect whether the predicate source registers can be used
in a later patch we will need to know the version number for the
command parser. This patch just adds a member to intel_screen and does
an ioctl to get the version.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

1 files changed, 7 insertions, 1 deletions

diff --git a/src/mesa/drivers/dri/i965/intel_screen.h b/src/mesa/drivers/dri/i965/intel_screen.h
index e7a1490..742b3d3 100644
--- a/src/mesa/drivers/dri/i965/intel_screen.h
+++ b/src/mesa/drivers/dri/i965/intel_screen.h
@@ -72,7 +72,13 @@ struct intel_screen
    * Configuration cache with default values for all contexts
    */
    driOptionCache optionCache;
-};
+
+   /**
+    * Version of the command parser reported by the
+    * I915_PARAM_CMD_PARSER_VERSION parameter
+    */
+   int cmd_parser_version;
+ };
 
 extern void intelDestroyContext(__DRIcontext * driContextPriv);