[Mesa-dev] [PATCH] winsys/svga: Replace the query mm buffer pool with a slab pool

[Thomas Hellstrom]

This is to avoid running out of query buffer space due to winsys
limitations.

Reported-and-tested-by: Brian Paul <brianp at vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom at vmware.com>
Cc: "10.1" <mesa_stable at lists.freedesktop.org>
---
 src/gallium/winsys/svga/drm/vmw_screen_pools.c |   14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/gallium/winsys/svga/drm/vmw_screen_pools.c b/src/gallium/winsys/svga/drm/vmw_screen_pools.c
index c97b71f..e49262a 100644
--- a/src/gallium/winsys/svga/drm/vmw_screen_pools.c
+++ b/src/gallium/winsys/svga/drm/vmw_screen_pools.c
@@ -76,15 +76,19 @@ vmw_pools_cleanup(struct vmw_winsys_screen *vws)
  *
  * Typically this pool should be created on demand when we
  * detect that the app will be using queries. There's nothing
- * special with this pool other than the backing kernel buffer size,
- * which is limited to 8192.
+ * special with this pool other than the backing kernel buffer sizes,
+ * which are limited to 8192.
  */
 boolean
 vmw_query_pools_init(struct vmw_winsys_screen *vws)
 {
-   vws->pools.query_mm = mm_bufmgr_create(vws->pools.gmr,
-					  VMW_QUERY_POOL_SIZE,
-					  3 /* 8 alignment */);
+   struct pb_desc desc;
+
+   desc.alignment = 16;
+   desc.usage = ~(VMW_BUFFER_USAGE_SHARED | VMW_BUFFER_USAGE_SYNC);
+
+   vws->pools.query_mm = pb_slab_range_manager_create(vws->pools.gmr, 16, 128,
+                                                      8192, &desc);
    if (!vws->pools.query_mm)
       return FALSE;
 
-- 
1.7.10.4