nir: Allow using nir_lower_io_to_scalar_early on VS input vars.

[mesa.git] / src / compiler / nir / nir_lower_io_to_scalar.c

diff --git a/src/compiler/nir/nir_lower_io_to_scalar.c b/src/compiler/nir/nir_lower_io_to_scalar.c
index 2b98e298cce4d1048d094c2bc5c71b299263fc2f..929761fa888394dda92ce96a4d2eec0ac7232f37 100644 (file)
--- a/src/compiler/nir/nir_lower_io_to_scalar.c
+++ b/src/compiler/nir/nir_lower_io_to_scalar.c
@@ -320,7 +320,9 @@ nir_lower_io_to_scalar_early(nir_shader *shader, nir_variable_mode mask)
                if (glsl_type_is_64bit(glsl_without_array(var->type)))
                   continue;
 
-               if (var->data.location < VARYING_SLOT_VAR0 &&
+               if (!(shader->info.stage == MESA_SHADER_VERTEX &&
+                     mode == nir_var_shader_in) &&
+                   var->data.location < VARYING_SLOT_VAR0 &&
                    var->data.location >= 0)
                   continue;