rsx: Do not consume draw call barrier iterator when executing deps

Author: kd-11

rpcs3/Emu/RSX/NV47/FW/draw_call.cpp

@@ -183,11 +183,11 @@ namespace rsx
 	u32 draw_clause::execute_pipeline_dependencies(context* ctx, instanced_draw_config_t* instance_config) const
 	{
 		u32 result = 0u;
-		for (;
-			current_barrier_it != draw_command_barriers.end() && current_barrier_it->draw_id == current_range_index;
-			current_barrier_it++)
+		for (auto it = current_barrier_it;
+			it != draw_command_barriers.end() && it->draw_id == current_range_index;
+			it++)
 		{
-			const auto& barrier = *current_barrier_it;
+			const auto& barrier = *it;
 			switch (barrier.type)
 			{
 			case primitive_restart_barrier:

rpcs3/Emu/RSX/NV47/FW/draw_call.hpp

@@ -252,6 +252,12 @@ namespace rsx
 				return false;
 			}
 
+			// Advance barrier iterator so it always points to the current draw
+			for (;
+				current_barrier_it != draw_command_barriers.end() &&
+				current_barrier_it->draw_id < current_range_index;
+				++current_barrier_it);
+
 			if (draw_command_ranges[current_range_index].count == 0)
 			{
 				// Dangling execution barrier