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radv: declare index_va in a single call for indexed draw packet emit

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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>
This commit is contained in:
Mike Blumenkrantz
2021-03-30 16:22:27 -04:00
committed by Marge Bot
parent 4fd9c6d9f3
commit 79742d41c0
1 changed files with 1 additions and 3 deletions
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src/amd/vulkan/radv_cmd_buffer.c
+1 -3
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@@ -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);