Mesa (r6xx-rewrite): R6xx/r7xx: re-enable clears

[Alex Deucher]

Module: Mesa
Branch: r6xx-rewrite
Commit: 3f1474594697fd77211851d699710299721b4618
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=3f1474594697fd77211851d699710299721b4618

Author: Alex Deucher <alexdeucher at gmail.com>
Date:   Thu May 28 17:09:19 2009 -0400

R6xx/r7xx: re-enable clears

flush cache and wait for idle after drawing.  Probably
just need the cache flush.  This gets redbook hello working
properly.

---

 src/mesa/drivers/dri/r600/r700_clear.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/src/mesa/drivers/dri/r600/r700_clear.c b/src/mesa/drivers/dri/r600/r700_clear.c
index c011b86..fa0d81b 100644
--- a/src/mesa/drivers/dri/r600/r700_clear.c
+++ b/src/mesa/drivers/dri/r600/r700_clear.c
@@ -96,6 +96,8 @@ static GLboolean r700ClearWithDraw(context_t *context, GLbitfield mask)
         uFs[11] = 0x60201910;
     }
 
+    r700Start3D(context);
+
     r700SyncSurf(context);
 
     /* Save current chip object. */
@@ -243,6 +245,8 @@ static GLboolean r700ClearWithDraw(context_t *context, GLbitfield mask)
     END_BATCH();
     COMMIT_BATCH();
 
+    r700WaitForIdleClean(context);
+
     (context->chipobj.FlushCmdBuffer)(context);
 
     (context->chipobj.FreeDmaRegion)(context, aos_vb.bo);
@@ -262,7 +266,7 @@ void r700Clear(GLcontext * ctx, GLbitfield mask)
         return;
     }
 
-    //r700ClearWithDraw(context, mask);
+    r700ClearWithDraw(context, mask);
 }