diff options
Diffstat (limited to 'src/compiler/glsl/ast_function.cpp')
-rw-r--r-- | src/compiler/glsl/ast_function.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/compiler/glsl/ast_function.cpp b/src/compiler/glsl/ast_function.cpp index d1596c272e6..94e0a16a9c0 100644 --- a/src/compiler/glsl/ast_function.cpp +++ b/src/compiler/glsl/ast_function.cpp @@ -676,8 +676,13 @@ generate_array_index(void *mem_ctx, exec_list *instructions, ir_variable *sub_var = NULL; *function_name = array->primary_expression.identifier; - match_subroutine_by_name(*function_name, actual_parameters, - state, &sub_var); + if (!match_subroutine_by_name(*function_name, actual_parameters, + state, &sub_var)) { + _mesa_glsl_error(&loc, state, "Unknown subroutine `%s'", + *function_name); + *function_name = NULL; /* indicate error condition to caller */ + return NULL; + } ir_rvalue *outer_array_idx = idx->hir(instructions, state); return new(mem_ctx) ir_dereference_array(sub_var, outer_array_idx); |