Mesa (master): r300: fix clear mask to not use sw if not necessary

[Dave Airlie]

Module: Mesa
Branch: master
Commit: dfecf217fa0d7677bdd3445e32a7bb0d022a599b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=dfecf217fa0d7677bdd3445e32a7bb0d022a599b

Author: Dave Airlie <airlied at redhat.com>
Date:   Sun Jul 12 21:35:24 2009 +1000

r300: fix clear mask to not use sw if not necessary

---

 src/mesa/drivers/dri/r300/r300_ioctl.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/dri/r300/r300_ioctl.c b/src/mesa/drivers/dri/r300/r300_ioctl.c
index 4ae0b45..4e913db 100644
--- a/src/mesa/drivers/dri/r300/r300_ioctl.c
+++ b/src/mesa/drivers/dri/r300/r300_ioctl.c
@@ -646,6 +646,8 @@ static void r300Clear(GLcontext * ctx, GLbitfield mask)
 
 	if (colorMask == ~0)
 	  tri_mask |= (mask & BUFFER_BITS_COLOR);
+	else
+	  tri_mask |= (mask & (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT));
 
 
 	/* HW stencil */