diff options
Diffstat (limited to 'src/glsl/ast_function.cpp')
-rw-r--r-- | src/glsl/ast_function.cpp | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/src/glsl/ast_function.cpp b/src/glsl/ast_function.cpp index 39401017b81..8bf0ba2a876 100644 --- a/src/glsl/ast_function.cpp +++ b/src/glsl/ast_function.cpp @@ -152,19 +152,22 @@ verify_parameter_modes(_mesa_glsl_parse_state *state, return false; } - if (actual->variable_referenced() - && actual->variable_referenced()->read_only) { - _mesa_glsl_error(&loc, state, - "function parameter '%s %s' references the " - "read-only variable '%s'", - mode, formal->name, - actual->variable_referenced()->name); - return false; - } else if (!actual->is_lvalue()) { - _mesa_glsl_error(&loc, state, - "function parameter '%s %s' is not an lvalue", - mode, formal->name); - return false; + ir_variable *var = actual->variable_referenced(); + if (var) { + if (var->read_only) { + _mesa_glsl_error(&loc, state, + "function parameter '%s %s' references the " + "read-only variable '%s'", + mode, formal->name, + actual->variable_referenced()->name); + return false; + } else if (!actual->is_lvalue()) { + _mesa_glsl_error(&loc, state, + "function parameter '%s %s' is not an lvalue", + mode, formal->name); + return false; + } + var->assigned = true; } } |