+ if (check_input_changes( ctx ) || tnl->pipeline.new_state) {
+ if (ctx->VertexProgram._MaintainTnlProgram)
+ _tnl_UpdateFixedFunctionProgram( ctx );
+
+ for (i = 0; i < tnl->pipeline.nr_stages ; i++) {
+ struct tnl_pipeline_stage *s = &tnl->pipeline.stages[i];
+ if (s->validate)
+ s->validate( ctx, s );
+ }
+
+ tnl->pipeline.new_state = 0;
+ tnl->pipeline.input_changes = 0;
+
+ /* Pipeline can only change its output in response to either a
+ * statechange or an input size/stride change. No other changes
+ * are allowed.
+ */
+ if (check_output_changes( ctx ))
+ _tnl_notify_pipeline_output_change( ctx );
+ }