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authorMike Blumenkrantz <michael.blumenkrantz@gmail.com>2021-03-30 16:22:27 -0400
committerMarge Bot <eric+marge@anholt.net>2021-06-02 13:31:43 +0000
commit79742d41c00b70cc751d1d83a9c83a0a93f9ef01 (patch)
treef9033db2f8664dfed55b1fe7954630931834b708
parent4fd9c6d9f35046d65c1751678e72a538dce72774 (diff)
radv: declare index_va in a single call for indexed draw packet emit
this is an extreme hotpath, so having a single calculation in a const variable is slightly better for compiler microoptimizing Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11124>
-rw-r--r--src/amd/vulkan/radv_cmd_buffer.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index dc6ac362665..45dcd281c1b 100644
--- a/src/amd/vulkan/radv_cmd_buffer.c
+++ b/src/amd/vulkan/radv_cmd_buffer.c
@@ -5354,7 +5354,6 @@ radv_emit_draw_packets_indexed(struct radv_cmd_buffer *cmd_buffer,
{
const struct radv_cmd_state *state = &cmd_buffer->state;
const int index_size = radv_get_vgt_index_size(state->index_type);
- uint64_t index_va;
uint32_t remaining_indexes = cmd_buffer->state.max_index_count;
remaining_indexes = MAX2(remaining_indexes, info->first_index) - info->first_index;
@@ -5364,8 +5363,7 @@ radv_emit_draw_packets_indexed(struct radv_cmd_buffer *cmd_buffer,
cmd_buffer->device->physical_device->rad_info.has_zero_index_buffer_bug)
return;
- index_va = state->index_va;
- index_va += first_index * index_size;
+ const uint64_t index_va = state->index_va + first_index * index_size;
if (!state->subpass->view_mask) {
radv_cs_emit_draw_indexed_packet(cmd_buffer, index_va, remaining_indexes, count);