using an overlay.
To turn on the layer run :
-```
+
VK_INSTANCE_LAYERS=VK_LAYER_MESA_overlay /path/to/my_vulkan_app
-```
List the available statistics :
-```
-VK_INSTANCE_LAYERS=VK_LAYER_MESA_overlay VK_LAYER_MESA_OVERLAY_STATS=help /path/to/my_vulkan_app
-```
+
+VK_INSTANCE_LAYERS=VK_LAYER_MESA_overlay VK_LAYER_MESA_OVERLAY_CONFIG=help /path/to/my_vulkan_app
Turn on some statistics :
-```
-VK_INSTANCE_LAYERS=VK_LAYER_MESA_overlay VK_LAYER_MESA_OVERLAY_STATS=submit,draw,pipeline-graphics /path/to/my_vulkan_app
-```
+VK_INSTANCE_LAYERS=VK_LAYER_MESA_overlay VK_LAYER_MESA_OVERLAY_CONFIG=submit,draw,pipeline_graphics /path/to/my_vulkan_app
Position the layer :
-```
-VK_INSTANCE_LAYERS=VK_LAYER_MESA_overlay VK_LAYER_MESA_OVERLAY_STATS=submit,draw,pipeline-graphics VK_LAYER_MESA_OVERLAY_POSITION=top-right /path/to/my_vulkan_app
-```
+
+VK_INSTANCE_LAYERS=VK_LAYER_MESA_overlay VK_LAYER_MESA_OVERLAY_CONFIG=submit,draw,pipeline_graphics,position=top-right /path/to/my_vulkan_app