diff options
| author | Samuel Pitoiset <[email protected]> | 2018-05-11 10:29:17 +0200 |
|---|---|---|
| committer | Jason Ekstrand <[email protected]> | 2019-01-22 10:42:56 -0600 |
| commit | 9f4e0aa7c1f9d71e6716295a1ee5b78e70ed6f37 (patch) | |
| tree | 00fd8f8da66afa171a4223221772d85d3cc063fb /src/compiler | |
| parent | 9c14440e8194acaa92cf0edb751700b94570ec3b (diff) | |
nir: do not remove varyings used for transform feedback
When a xfb buffer is explicitely declared on a varying
variable, we shouldn't remove it at link time.
Signed-off-by: Samuel Pitoiset <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
Diffstat (limited to 'src/compiler')
| -rw-r--r-- | src/compiler/nir/nir_linking_helpers.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_linking_helpers.c b/src/compiler/nir/nir_linking_helpers.c index 8e67e84b588..aaa4204cce9 100644 --- a/src/compiler/nir/nir_linking_helpers.c +++ b/src/compiler/nir/nir_linking_helpers.c @@ -128,6 +128,9 @@ nir_remove_unused_io_vars(nir_shader *shader, struct exec_list *var_list, if (var->data.always_active_io) continue; + if (var->data.explicit_xfb_buffer) + continue; + uint64_t other_stage = used[var->data.location_frac]; if (!(other_stage & get_variable_io_mask(var, shader->info.stage))) { |