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authorMarek Olšák <[email protected]>2012-12-02 05:41:48 +0100
committerMarek Olšák <[email protected]>2012-12-02 07:07:33 +0100
commit0222b2bd4107b9e5cabfbc06c1a6ca3eaec3cf0d (patch)
tree186419bce4bb01da5e1b8c0557b9bd6b2a32d29a /src/gallium/drivers/r300/r300_emit.c
parent62cba629c09aaf236b2750785b899934b531b17a (diff)
r300g: clear the ZB cache before clearing ZMASK or HIZ
This fixes wrong rendering in Lightsmark and the piglit/depthstencil-render-miplevels. I think I fixed Hyper-Z. So far every app seems to work like a charm.
Diffstat (limited to 'src/gallium/drivers/r300/r300_emit.c')
-rw-r--r--src/gallium/drivers/r300/r300_emit.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c
index 8d9d3386239..6ddb5066bb8 100644
--- a/src/gallium/drivers/r300/r300_emit.c
+++ b/src/gallium/drivers/r300/r300_emit.c
@@ -1105,6 +1105,9 @@ void r300_emit_hiz_clear(struct r300_context *r300, unsigned size, void *state)
tex = r300_resource(fb->zsbuf->texture);
BEGIN_CS(size);
+ OUT_CS_REG(R300_ZB_ZCACHE_CTLSTAT,
+ R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE |
+ R300_ZB_ZCACHE_CTLSTAT_ZC_FREE_FREE);
OUT_CS_PKT3(R300_PACKET3_3D_CLEAR_HIZ, 2);
OUT_CS(0);
OUT_CS(tex->tex.hiz_dwords[fb->zsbuf->u.tex.level]);
@@ -1127,6 +1130,9 @@ void r300_emit_zmask_clear(struct r300_context *r300, unsigned size, void *state
tex = r300_resource(fb->zsbuf->texture);
BEGIN_CS(size);
+ OUT_CS_REG(R300_ZB_ZCACHE_CTLSTAT,
+ R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE |
+ R300_ZB_ZCACHE_CTLSTAT_ZC_FREE_FREE);
OUT_CS_PKT3(R300_PACKET3_3D_CLEAR_ZMASK, 2);
OUT_CS(0);
OUT_CS(tex->tex.zmask_dwords[fb->zsbuf->u.tex.level]);