i965: Initialize sha1 hash of dri config options

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index eed42468b11dc9545ef0e1b1ba08e9846a602f0b..f141227bda7d588f869543ac6c72a06a217aec78 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_context.c
+++ b/src/mesa/drivers/dri/i965/brw_context.c
@@ -816,6 +816,10 @@ brw_process_driconf_options(struct brw_context *brw)
 
    brw->dual_color_blend_by_location =
       driQueryOptionb(options, "dual_color_blend_by_location");
+
+   ctx->Const.dri_config_options_sha1 = ralloc_array(brw, unsigned char, 20);
+   driComputeOptionsSha1(&brw->screen->optionCache,
+                         ctx->Const.dri_config_options_sha1);
 }
 
 GLboolean