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r300g: do not emit ZTOP every draw call
author
Marek Olšák
<maraeo@gmail.com>
Tue, 22 Jun 2010 03:01:58 +0000
(
05:01
+0200)
committer
Marek Olšák
<maraeo@gmail.com>
Tue, 22 Jun 2010 04:50:22 +0000
(06:50 +0200)
src/gallium/drivers/r300/r300_hyperz.c
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diff --git
a/src/gallium/drivers/r300/r300_hyperz.c
b/src/gallium/drivers/r300/r300_hyperz.c
index
6358d98
..
e5c7658
100644
(file)
--- 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)