Mesa (master): Revert "llvmpipe: optimize the lp_setup_fence() function"

[Brian Paul]

Module: Mesa
Branch: master
Commit: 8814bb652aa0deee7fa34c0746ba9dc63163b88d
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=8814bb652aa0deee7fa34c0746ba9dc63163b88d

Author: Brian Paul <brianp at vmware.com>
Date:   Thu Mar 25 16:06:07 2010 -0600

Revert "llvmpipe: optimize the lp_setup_fence() function"

This reverts commit a9063cad0f0190ff88cd20fbad5aa87bf1a943f6.

Not too surprisingly, this change caused some regressions.
Revert it for the time being.
See fd.o bug 27320.

---

 src/gallium/drivers/llvmpipe/lp_setup.c |   26 ++++++--------------------
 1 files changed, 6 insertions(+), 20 deletions(-)

diff --git a/src/gallium/drivers/llvmpipe/lp_setup.c b/src/gallium/drivers/llvmpipe/lp_setup.c
index 4eeb986..76a8b87 100644
--- a/src/gallium/drivers/llvmpipe/lp_setup.c
+++ b/src/gallium/drivers/llvmpipe/lp_setup.c
@@ -318,30 +318,16 @@ lp_setup_fence( struct lp_setup_context *setup )
 {
    struct lp_scene *scene = lp_setup_get_current_scene(setup);
    const unsigned rank = lp_scene_get_num_bins( scene ); /* xxx */
-   struct lp_fence *fence;
+   struct lp_fence *fence = lp_fence_create(rank);
 
    LP_DBG(DEBUG_SETUP, "%s rank %u\n", __FUNCTION__, rank);
 
-   if (setup->state == SETUP_FLUSHED) {
-      /* We're in a flushed state so there's nothing in the bins.
-       * No need to wait on a fence.
-       */
-      fence = NULL;
-   }
-   else {
-      /* There's material in the bins.  Emit the fence into the bins.
-       * When the rasterizer(s) find the fence, they'll signal on it.
-       */
-      fence = lp_fence_create(rank);
-
-      set_scene_state( setup, SETUP_ACTIVE );
-
-      /* insert the fence into all command bins */
-      lp_scene_bin_everywhere( scene,
-                               lp_rast_fence,
-                               lp_rast_arg_fence(fence) );
+   set_scene_state( setup, SETUP_ACTIVE );
 
-   }
+   /* insert the fence into all command bins */
+   lp_scene_bin_everywhere( scene,
+			    lp_rast_fence,
+			    lp_rast_arg_fence(fence) );
 
    return (struct pipe_fence_handle *) fence;
 }