diff options
Diffstat (limited to 'src/compiler/glsl/link_varyings.cpp')
| -rw-r--r-- | src/compiler/glsl/link_varyings.cpp | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/src/compiler/glsl/link_varyings.cpp b/src/compiler/glsl/link_varyings.cpp index ed3bf416878..29842ecacda 100644 --- a/src/compiler/glsl/link_varyings.cpp +++ b/src/compiler/glsl/link_varyings.cpp @@ -2268,9 +2268,6 @@ assign_varying_locations(struct gl_context *ctx, } } - _mesa_hash_table_destroy(consumer_inputs, NULL); - _mesa_hash_table_destroy(consumer_interface_inputs, NULL); - for (unsigned i = 0; i < num_tfeedback_decls; ++i) { if (!tfeedback_decls[i].is_varying()) continue; @@ -2286,12 +2283,31 @@ assign_varying_locations(struct gl_context *ctx, /* Mark xfb varyings as always active */ matched_candidate->toplevel_var->data.always_active_io = 1; + /* Mark any corresponding inputs as always active also. We must do this + * because we have a NIR pass that lowers vectors to scalars and another + * that removes unused varyings. + * We don't split varyings marked as always active because there is no + * point in doing so. This means we need to mark both sides of the + * interface as always active otherwise we will have a mismatch and + * start removing things we shouldn't. + */ + ir_variable *const input_var = + linker::get_matching_input(mem_ctx, matched_candidate->toplevel_var, + consumer_inputs, + consumer_interface_inputs, + consumer_inputs_with_locations); + if (input_var) + input_var->data.always_active_io = 1; + if (matched_candidate->toplevel_var->data.is_unmatched_generic_inout) { matched_candidate->toplevel_var->data.is_xfb_only = 1; matches.record(matched_candidate->toplevel_var, NULL); } } + _mesa_hash_table_destroy(consumer_inputs, NULL); + _mesa_hash_table_destroy(consumer_interface_inputs, NULL); + uint8_t components[MAX_VARYINGS_INCL_PATCH] = {0}; const unsigned slots_used = matches.assign_locations( prog, components, reserved_slots); |