Also move a comment that was in the wrong place.
---
src/gallium/drivers/radeonsi/si_state.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/gallium/drivers/radeonsi/si_state.c
b/src/gallium/drivers/radeonsi/si_state.c
index d99cfe8..ee2372f 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -1751,7 +1751,7 @@ void si_update_db_draw_state(struct r600_context *rctx,
struct r600_surface *zsb
/* db */
- /* TODO HiS aka stencil buffer htile goes here */
+ /* not using HiS aka stencil buffer htile for now, the benefits are
unclear */
db_render_override = S_02800C_FORCE_HIS_ENABLE0(V_02800C_FORCE_DISABLE)
|
S_02800C_FORCE_HIS_ENABLE1(V_02800C_FORCE_DISABLE);
@@ -1763,6 +1763,7 @@ void si_update_db_draw_state(struct r600_context *rctx,
struct r600_surface *zsb
hiz_enable = rtex->htile_buffer && !level;
}
if (hiz_enable) {
+ /* Force off means no force, DB_SHADER_CONTROL decides */
db_render_override |=
S_02800C_FORCE_HIZ_ENABLE(V_02800C_FORCE_OFF);
} else {
db_render_override |=
S_02800C_FORCE_HIZ_ENABLE(V_02800C_FORCE_DISABLE);
@@ -1877,7 +1878,8 @@ 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 */
+ /* we are not using HiS for now, so use more of the buffer for
HiZ */
+ s_info |= S_028044_TILE_STENCIL_DISABLE(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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