+ return this->lower_temps;
+
+ case ir_var_shader_in:
+ /* The input array size is unknown at compiler time for non-patch
+ * inputs in TCS and TES. The arrays are sized to
+ * the implementation-dependent limit "gl_MaxPatchVertices", but
+ * the real size is stored in the "gl_PatchVerticesIn" built-in
+ * uniform.
+ *
+ * The TCS input array size is specified by
+ * glPatchParameteri(GL_PATCH_VERTICES).
+ *
+ * The TES input array size is specified by the "vertices" output
+ * layout qualifier in TCS.
+ */
+ if ((stage == MESA_SHADER_TESS_CTRL ||
+ stage == MESA_SHADER_TESS_EVAL) && !var->data.patch)
+ return false;
+ return this->lower_inputs;
+
+ case ir_var_function_out:
+ /* TCS non-patch outputs can only be indexed with "gl_InvocationID".
+ * Other expressions are not allowed.
+ */
+ if (stage == MESA_SHADER_TESS_CTRL && !var->data.patch)
+ return false;
+ return this->lower_temps;
+
+ case ir_var_shader_out:
+ return this->lower_outputs;
+
+ case ir_var_function_inout: