diff options
| author | Iago Toral Quiroga <itoral@igalia.com> | 2021-05-03 11:33:46 +0200 |
|---|---|---|
| committer | Iago Toral Quiroga <itoral@igalia.com> | 2021-05-06 12:24:29 +0200 |
| commit | ec72b876fe86683b28a7fad4c2e1fc0797802e99 (patch) | |
| tree | 89410ebbcddff68215390c96d0fd8f7297d1b0fe | |
| parent | 43dd023bd1eb23a5cdb1470c6a30595c3fbf319a (diff) | |
broadcom/compiler: add a loop unrolling pass
Right now this is useful for Vulkan onnly, because GL gets loop
unrolling from the GLSL compiler and/or mesa state tracker
NIR front-ends.
Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10647>
| -rw-r--r-- | src/broadcom/compiler/nir_to_vir.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/broadcom/compiler/nir_to_vir.c b/src/broadcom/compiler/nir_to_vir.c index 2bbf613934d..38a39008a9a 100644 --- a/src/broadcom/compiler/nir_to_vir.c +++ b/src/broadcom/compiler/nir_to_vir.c @@ -1825,6 +1825,13 @@ v3d_optimize_nir(struct nir_shader *s) NIR_PASS(progress, s, nir_opt_undef); NIR_PASS(progress, s, nir_lower_undef_to_zero); + + if (s->options->max_unroll_iterations > 0) { + NIR_PASS(progress, s, nir_opt_loop_unroll, + nir_var_shader_in | + nir_var_shader_out | + nir_var_function_temp); + } } while (progress); nir_move_options sink_opts = |