1b8e80941SmrgA Vulkan layer to display information about the running application 2b8e80941Smrgusing an overlay. 3b8e80941Smrg 4b8e80941SmrgTo turn on the layer run : 5b8e80941Smrg 6b8e80941SmrgVK_INSTANCE_LAYERS=VK_LAYER_MESA_overlay /path/to/my_vulkan_app 7b8e80941Smrg 8b8e80941SmrgList the available statistics : 9b8e80941Smrg 10b8e80941SmrgVK_INSTANCE_LAYERS=VK_LAYER_MESA_overlay VK_LAYER_MESA_OVERLAY_CONFIG=help /path/to/my_vulkan_app 11b8e80941Smrg 12b8e80941SmrgTurn on some statistics : 13b8e80941SmrgVK_INSTANCE_LAYERS=VK_LAYER_MESA_overlay VK_LAYER_MESA_OVERLAY_CONFIG=submit,draw,pipeline_graphics /path/to/my_vulkan_app 14b8e80941Smrg 15b8e80941SmrgPosition the layer : 16b8e80941Smrg 17b8e80941SmrgVK_INSTANCE_LAYERS=VK_LAYER_MESA_overlay VK_LAYER_MESA_OVERLAY_CONFIG=submit,draw,pipeline_graphics,position=top-right /path/to/my_vulkan_app 18