From: Marek Olšák <[email protected]>
r600g needs this too.
---
src/gallium/drivers/radeonsi/si_state.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/radeonsi/si_state.c
b/src/gallium/drivers/radeonsi/si_state.c
index 8e08804..c1107c6 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -1815,7 +1815,13 @@ static void si_db(struct r600_context *rctx, struct
si_pm4_state *pm4,
/* use htile only for first level */
if (rtex->htile_buffer && !level) {
z_info |= S_028040_TILE_SURFACE_ENABLE(1);
- /* Force off means no force, DB_SHADER_CONTROL decides */
+
+ /* This is optimal for the clear value of 1.0 and using
+ * the LESS and LEQUAL test functions. Set this to 0
+ * for the opposite case. This can only be changed when
+ * clearing. */
+ z_info |= S_028040_ZRANGE_PRECISION(1);
+
uint64_t va = r600_resource_va(&rctx->screen->b.b,
&rtex->htile_buffer->b.b);
db_htile_data_base = va >> 8;
db_htile_surface = S_028ABC_FULL_CACHE(1);
--
1.8.3.2
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