[Mesa-dev] [PATCH 4/6] radeonsi: emit_msaa_sample_locs packets optimization

[Sonny Jiang]

Remembering latest states of registers to eliminate redunant SET_CONTEXT_REG packets

Signed-off-by: Sonny Jiang <sonny.jiang at amd.com>
---
 src/gallium/drivers/radeonsi/si_state.c | 6 ++++--
 src/gallium/drivers/radeonsi/si_state.h | 2 ++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 5f3ab45..199d740 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -3250,8 +3250,10 @@ static void si_emit_msaa_sample_locs(struct si_context *sctx)
 		    rs && !rs->multisample_enable)
 			small_prim_filter_cntl &= C_028830_SMALL_PRIM_FILTER_ENABLE;
 
-		radeon_set_context_reg(cs, R_028830_PA_SU_SMALL_PRIM_FILTER_CNTL,
-				       small_prim_filter_cntl);
+		radeon_opt_set_context_reg(sctx,
+					   R_028830_PA_SU_SMALL_PRIM_FILTER_CNTL,
+					   SI_TRACKED_PA_SU_SMALL_PRIM_FILTER_CNTL,
+					   small_prim_filter_cntl);
 	}
 }
 
diff --git a/src/gallium/drivers/radeonsi/si_state.h b/src/gallium/drivers/radeonsi/si_state.h
index a5af7de..5ff4f57 100644
--- a/src/gallium/drivers/radeonsi/si_state.h
+++ b/src/gallium/drivers/radeonsi/si_state.h
@@ -227,6 +227,8 @@ enum si_tracked_reg {
 	SI_TRACKED_DB_EQAA,
 	SI_TRACKED_PA_SC_MODE_CNTL_1,
 
+	SI_TRACKED_PA_SU_SMALL_PRIM_FILTER_CNTL,
+
 	SI_NUM_TRACKED_REGS,
 };
 
-- 
2.7.4