From: Marek Olšák <marek.ol...@amd.com>
---
src/gallium/drivers/radeonsi/si_hw_context.c | 1 +
src/gallium/drivers/radeonsi/si_pipe.h | 1 +
src/gallium/drivers/radeonsi/si_state_draw.c | 5 ++++-
3 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/radeonsi/si_hw_context.c
b/src/gallium/drivers/radeonsi/si_hw_context.c
index a7e29b1..f7dcd80 100644
--- a/src/gallium/drivers/radeonsi/si_hw_context.c
+++ b/src/gallium/drivers/radeonsi/si_hw_context.c
@@ -160,4 +160,5 @@ void si_begin_new_cs(struct si_context *ctx)
ctx->last_sh_base_reg = -1; /* reset to an unknown value */
ctx->last_primitive_restart_en = -1;
ctx->last_restart_index = SI_RESTART_INDEX_UNKNOWN;
+ ctx->last_gs_out_prim = -1;
}
diff --git a/src/gallium/drivers/radeonsi/si_pipe.h
b/src/gallium/drivers/radeonsi/si_pipe.h
index b4a1ea0..65a9393 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.h
+++ b/src/gallium/drivers/radeonsi/si_pipe.h
@@ -182,6 +182,7 @@ struct si_context {
int last_sh_base_reg;
int last_primitive_restart_en;
int last_restart_index;
+ int last_gs_out_prim;
};
/* si_blit.c */
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c
b/src/gallium/drivers/radeonsi/si_state_draw.c
index fedf19b..7a7f85a 100644
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -192,7 +192,10 @@ static void si_emit_draw_registers(struct si_context *sctx,
r600_write_context_reg(cs, R_028AA8_IA_MULTI_VGT_PARAM,
ia_multi_vgt_param);
}
- r600_write_context_reg(cs, R_028A6C_VGT_GS_OUT_PRIM_TYPE, gs_out_prim);
+ if (gs_out_prim != sctx->last_gs_out_prim) {
+ r600_write_context_reg(cs, R_028A6C_VGT_GS_OUT_PRIM_TYPE,
gs_out_prim);
+ sctx->last_gs_out_prim = gs_out_prim;
+ }
/* Primitive restart. */
if (info->primitive_restart != sctx->last_primitive_restart_en) {
--
2.1.0
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