i965: Cope with batch getting flushed in the middle of batchbuffer emits.

This isn't required for GEM (at least, yet), but the check_aperture code
for non-GEM results in batch getting flushed during emit.  brw_state_upload
restarts state emits, but a bunch of the state emit functions were assuming
that they would be called exactly once, after prepare and before new_batch.

Bug #17179.

1 files changed, 0 insertions, 6 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_draw_upload.c b/src/mesa/drivers/dri/i965/brw_draw_upload.c
index 55a8defa99..303eaac5cf 100644
--- a/src/mesa/drivers/dri/i965/brw_draw_upload.c
+++ b/src/mesa/drivers/dri/i965/brw_draw_upload.c
@@ -455,12 +455,6 @@ static void brw_emit_vertices(struct brw_context *brw)
 		input->offset);
       OUT_BATCH(brw->vb.max_index);
       OUT_BATCH(0); /* Instance data step rate */
-
-      /* Unreference the buffer so it can get freed, now that we won't
-       * touch it any more.
-       */
-      dri_bo_unreference(input->bo);
-      input->bo = NULL;
    }
    ADVANCE_BATCH();