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-rw-r--r--src/glsl/ast_to_hir.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp
index 9511440ba3a..2aea5aef9c0 100644
--- a/src/glsl/ast_to_hir.cpp
+++ b/src/glsl/ast_to_hir.cpp
@@ -3201,6 +3201,12 @@ process_initializer(ir_variable *var, ast_declaration *decl,
? "attribute" : "varying");
}
+ if (var->data.mode == ir_var_shader_out && state->current_function == NULL) {
+ _mesa_glsl_error(&initializer_loc, state,
+ "cannot initialize %s shader output",
+ _mesa_shader_stage_to_string(state->stage));
+ }
+
/* If the initializer is an ast_aggregate_initializer, recursively store
* type information from the LHS into it, so that its hir() function can do
* type checking.