diff options
Diffstat (limited to 'src/glsl/ast_function.cpp')
| -rw-r--r-- | src/glsl/ast_function.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/glsl/ast_function.cpp b/src/glsl/ast_function.cpp index b3635bf686..b0f95dd73b 100644 --- a/src/glsl/ast_function.cpp +++ b/src/glsl/ast_function.cpp @@ -132,6 +132,9 @@ match_function_by_name(exec_list *instructions, const char *name, /* Verify that 'out' and 'inout' actual parameters are lvalues. This * isn't done in ir_function::matching_signature because that function * cannot generate the necessary diagnostics. + * + * Also, validate that 'const_in' formal parameters (an extension of our + * IR) correspond to ir_constant actual parameters. */ exec_list_iterator actual_iter = actual_parameters->iterator(); exec_list_iterator formal_iter = sig->parameters.iterator(); @@ -143,6 +146,12 @@ match_function_by_name(exec_list *instructions, const char *name, assert(actual != NULL); assert(formal != NULL); + if (formal->mode == ir_var_const_in && !actual->as_constant()) { + _mesa_glsl_error(loc, state, + "parameter `%s' must be a constant expression", + formal->name); + } + if ((formal->mode == ir_var_out) || (formal->mode == ir_var_inout)) { const char *mode = NULL; |