From: Dave Airlie <airl...@redhat.com>
This in theory should reduce the number of calculations for this register
per draw.
---
src/amd/vulkan/radv_private.h | 2 ++
src/amd/vulkan/si_cmd_buffer.c | 11 +++++++++++
2 files changed, 13 insertions(+)
diff --git a/src/amd/vulkan/radv_private.h b/src/amd/vulkan/radv_private.h
index c88f1ff..8f60d9b 100644
--- a/src/amd/vulkan/radv_private.h
+++ b/src/amd/vulkan/radv_private.h
@@ -775,6 +775,8 @@ struct radv_cmd_state {
uint32_t descriptors_dirty;
uint32_t trace_id;
uint32_t last_ia_multi_vgt_param;
+ bool last_draw_instanced, last_draw_indirect,
last_multi_instances_smaller_than_primgroup, ia_set_once;
+
};
struct radv_cmd_pool {
diff --git a/src/amd/vulkan/si_cmd_buffer.c b/src/amd/vulkan/si_cmd_buffer.c
index 3464def..9b65b45 100644
--- a/src/amd/vulkan/si_cmd_buffer.c
+++ b/src/amd/vulkan/si_cmd_buffer.c
@@ -700,6 +700,17 @@ si_get_ia_multi_vgt_param(struct radv_cmd_buffer
*cmd_buffer,
multi_instances_smaller_than_primgroup = indirect_draw ||
instance_less_than_primgroup_size;
+ if (cmd_buffer->state.ia_set_once &&
+ cmd_buffer->state.last_draw_instanced == instanced_draw &&
+ cmd_buffer->state.last_draw_indirect == indirect_draw &&
+ cmd_buffer->state.last_multi_instances_smaller_than_primgroup ==
multi_instances_smaller_than_primgroup)
+ return cmd_buffer->state.last_ia_multi_vgt_param;
+
+ cmd_buffer->state.ia_set_once = true;
+ cmd_buffer->state.last_draw_instanced = instanced_draw;
+ cmd_buffer->state.last_draw_indirect = indirect_draw;
+ cmd_buffer->state.last_multi_instances_smaller_than_primgroup =
multi_instances_smaller_than_primgroup;
+
ia_switch_on_eoi =
cmd_buffer->state.pipeline->graphics.tess_ia_switch_on_eoi;
partial_vs_wave =
cmd_buffer->state.pipeline->graphics.tess_partial_vs_wave;
partial_es_wave = cmd_buffer->state.pipeline->graphics.partial_es_wave;
--
2.9.4
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