[mesa PATCH] gallium/nouveau: optimize so_reloc2

[Marcin Slusarz <marcin.slusarz-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

use one relocation with newly introduced flag

unfortunately we can't enable it unconditionally, because we don't
know if the kernel supports it...
---
 src/gallium/drivers/nouveau/nouveau_stateobj.h |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/src/gallium/drivers/nouveau/nouveau_stateobj.h b/src/gallium/drivers/nouveau/nouveau_stateobj.h
index be8850b..4a08ba3 100644
--- a/src/gallium/drivers/nouveau/nouveau_stateobj.h
+++ b/src/gallium/drivers/nouveau/nouveau_stateobj.h
@@ -182,6 +182,9 @@ so_method(struct nouveau_stateobj *so, struct nouveau_grobj *gr,
 	so->cur = 0;
 }
 
+//disabled for now
+//#define NOUVEAU_MESA_NEW_RELOC
+
 static INLINE void
 so_reloc(struct nouveau_stateobj *so, struct nouveau_bo *bo,
 	 unsigned data, unsigned flags, unsigned vor, unsigned tor)
@@ -208,6 +211,10 @@ so_reloc(struct nouveau_stateobj *so, struct nouveau_bo *bo,
 	r[so->cur_reloc].tor = tor;
 
 	so_data(so, data);
+#if defined(NOUVEAU_MESA_NEW_RELOC) && defined(NOUVEAU_BO_HILO)
+	if (flags & NOUVEAU_BO_HILO)
+		so_data(so, data);
+#endif
 	so->cur_reloc++;
 }
 
@@ -215,8 +222,12 @@ static INLINE void
 so_reloc2(struct nouveau_stateobj *so, struct nouveau_bo *bo,
 	 unsigned data, unsigned flags, unsigned vor, unsigned tor)
 {
+#if defined(NOUVEAU_MESA_NEW_RELOC) && defined(NOUVEAU_BO_HILO)
+	so_reloc(so, bo, data, flags | NOUVEAU_BO_HILO, vor, tor);
+#else
 	so_reloc(so, bo, data, flags | NOUVEAU_BO_HIGH, vor, tor);
 	so_reloc(so, bo, data, flags | NOUVEAU_BO_LOW, vor, tor);
+#endif
 }
 
 /* Determine if this buffer object is referenced by this state object. */
-- 
1.7.3.3