Mesa (master): r300g: do not emit ZTOP every draw call
Marek Olšák
mareko at kemper.freedesktop.org
Tue Jun 22 04:58:44 UTC 2010
Module: Mesa
Branch: master
Commit: bd52246248b745fbf95e97ae188779474e212ff6
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=bd52246248b745fbf95e97ae188779474e212ff6
Author: Marek Olšák <maraeo at gmail.com>
Date: Tue Jun 22 05:01:58 2010 +0200
r300g: do not emit ZTOP every draw call
---
src/gallium/drivers/r300/r300_hyperz.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/src/gallium/drivers/r300/r300_hyperz.c b/src/gallium/drivers/r300/r300_hyperz.c
index 6358d98..e5c7658 100644
--- a/src/gallium/drivers/r300/r300_hyperz.c
+++ b/src/gallium/drivers/r300/r300_hyperz.c
@@ -70,6 +70,7 @@ static void r300_update_ztop(struct r300_context* r300)
{
struct r300_ztop_state* ztop_state =
(struct r300_ztop_state*)r300->ztop_state.state;
+ uint32_t old_ztop = ztop_state->z_buffer_top;
/* This is important enough that I felt it warranted a comment.
*
@@ -111,7 +112,8 @@ static void r300_update_ztop(struct r300_context* r300)
ztop_state->z_buffer_top = R300_ZTOP_ENABLE;
}
- r300->ztop_state.dirty = TRUE;
+ if (ztop_state->z_buffer_top != old_ztop)
+ r300->ztop_state.dirty = TRUE;
}
void r300_update_hyperz_state(struct r300_context* r300)
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