radeonsi: emit_msaa_sample_locs packets optimization

Remembering latest states of registers to eliminate redunant SET_CONTEXT_REG packets

Signed-off-by: Sonny Jiang <sonny.jiang@amd.com>
Signed-off-by: Marek Olšák <marek.olsak@amd.com>

diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 5f3ab45..199d740 100644 (file)
--- 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 (file)
--- 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,
 };