radeonsi: don't allocate LDS for TCS inputs if it's not used

Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7623>
This commit is contained in:
Marek Olšák
2020-11-14 17:45:31 -05:00
committed by Marge Bot
parent a4ba51e5be
commit f7364c9fe0

View File

@@ -131,7 +131,12 @@ static void si_emit_derived_tess_state(struct si_context *sctx, const struct pip
input_vertex_size = ls->lshs_vertex_stride;
output_vertex_size = num_tcs_outputs * 16;
input_patch_size = num_tcs_input_cp * input_vertex_size;
/* Allocate LDS for TCS inputs only if it's used. */
if (!ls_current->key.opt.same_patch_vertices ||
tcs->info.base.inputs_read & ~tcs->tcs_vgpr_only_inputs)
input_patch_size = num_tcs_input_cp * input_vertex_size;
else
input_patch_size = 0;
pervertex_output_patch_size = num_tcs_output_cp * output_vertex_size;
output_patch_size = pervertex_output_patch_size + num_tcs_patch_outputs * 16;