i965/gen6/gs: Add instruction URB flags to geometry shaders EOT message.

Gen6 seems to require that EOT messages include the complete flag too or else
the GPU hangs. We add will this flag to the instruction when we emit the
thread end opcode.

Acked-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

diff --git a/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp b/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp
index f98c472..ebc5491 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp
@@ -500,7 +500,7 @@ vec4_generator::generate_gs_thread_end(vec4_instruction *inst)
                  brw_null_reg(), /* dest */
                  inst->base_mrf, /* starting mrf reg nr */
                  src,
-                 BRW_URB_WRITE_EOT,
+                 BRW_URB_WRITE_EOT | inst->urb_write_flags,
                  brw->gen >= 8 ? 2 : 1,/* message len */
                  0,              /* response len */
                  0,              /* urb destination offset */