If the type is not an array, glsl_get_length() returns 0 and we don't
update the new_vars[]/flat_vars[] entries.
Fixes:
bcd14756eec ("nir/lower_io_to_vector: add flat mode")
Reviewed-by: Jason Ekstrand <jason.ekstrand@collabora.com>
Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16960>
var->type = flat_type;
nir_shader_add_variable(shader, var);
- for (unsigned i = 0; i < glsl_get_length(flat_type); i++) {
+ unsigned num_slots = MAX2(glsl_get_length(flat_type), 1);
+ for (unsigned i = 0; i < num_slots; i++) {
for (unsigned j = 0; j < 4; j++)
new_vars[loc + i][j] = var;
flat_vars[loc + i] = true;