[Mesa-dev] [PATCH 27/30] glsl/cs: Prohibit user-defined ins/outs in compute shaders.

[Paul Berry]

---
 src/glsl/ast_to_hir.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp
index c1b1d6a..ed3a4f9 100644
--- a/src/glsl/ast_to_hir.cpp
+++ b/src/glsl/ast_to_hir.cpp
@@ -2220,6 +2220,13 @@ apply_type_qualifier_to_variable(const struct ast_type_qualifier *qual,
       var->data.mode = ir_var_uniform;
 
    if (!is_parameter && is_varying_var(var, state->stage)) {
+      /* User-defined ins/outs are not permitted in compute shaders. */
+      if (state->stage == MESA_SHADER_COMPUTE) {
+         _mesa_glsl_error(loc, state,
+                          "user-defined input and output variables are not "
+                          "permitted in compute shaders");
+      }
+
       /* This variable is being used to link data between shader stages (in
        * pre-glsl-1.30 parlance, it's a "varying").  Check that it has a type
        * that is allowed for such purposes.
-- 
1.8.5.2