diff options
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_pipe.h | 3 | ||||
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_state_draw.c | 9 |
2 files changed, 10 insertions, 2 deletions
diff --git a/src/gallium/drivers/radeonsi/si_pipe.h b/src/gallium/drivers/radeonsi/si_pipe.h index bfcfc915124..4512d2529af 100644 --- a/src/gallium/drivers/radeonsi/si_pipe.h +++ b/src/gallium/drivers/radeonsi/si_pipe.h @@ -47,6 +47,7 @@ * the number shouldn't be a commonly-used one. */ #define SI_BASE_VERTEX_UNKNOWN INT_MIN #define SI_RESTART_INDEX_UNKNOWN INT_MIN +#define SI_INSTANCE_COUNT_UNKNOWN INT_MIN #define SI_NUM_SMOOTH_AA_SAMPLES 8 #define SI_MAX_POINT_SIZE 2048 #define SI_GS_PER_ES 128 @@ -925,6 +926,7 @@ struct si_context { int last_index_size; int last_base_vertex; int last_start_instance; + int last_instance_count; int last_drawid; int last_sh_base_reg; int last_primitive_restart_en; @@ -1374,6 +1376,7 @@ static inline void si_invalidate_draw_sh_constants(struct si_context *sctx) { sctx->last_base_vertex = SI_BASE_VERTEX_UNKNOWN; + sctx->last_instance_count = SI_INSTANCE_COUNT_UNKNOWN; } static inline unsigned diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c index d011adb2cad..cfd904e621c 100644 --- a/src/gallium/drivers/radeonsi/si_state_draw.c +++ b/src/gallium/drivers/radeonsi/si_state_draw.c @@ -813,10 +813,15 @@ static void si_emit_draw_packets(struct si_context *sctx, radeon_emit(cs, di_src_sel); } } else { + unsigned instance_count = info->instance_count; int base_vertex; - radeon_emit(cs, PKT3(PKT3_NUM_INSTANCES, 0, 0)); - radeon_emit(cs, info->instance_count); + if (sctx->last_instance_count == SI_INSTANCE_COUNT_UNKNOWN || + sctx->last_instance_count != instance_count) { + radeon_emit(cs, PKT3(PKT3_NUM_INSTANCES, 0, 0)); + radeon_emit(cs, instance_count); + sctx->last_instance_count = instance_count; + } /* Base vertex and start instance. */ base_vertex = index_size ? info->index_bias : info->start; |