src/vulkan/overlay-layer/README

   1 A Vulkan layer to display information about the running application
   2 using an overlay.
   3
   4 To turn on the layer run :
   5
   6 VK_INSTANCE_LAYERS=VK_LAYER_MESA_overlay /path/to/my_vulkan_app
   7
   8 List the available statistics :
   9
  10 VK_INSTANCE_LAYERS=VK_LAYER_MESA_overlay VK_LAYER_MESA_OVERLAY_CONFIG=help /path/to/my_vulkan_app
  11
  12 Turn on some statistics :
  13 VK_INSTANCE_LAYERS=VK_LAYER_MESA_overlay VK_LAYER_MESA_OVERLAY_CONFIG=submit,draw,pipeline_graphics /path/to/my_vulkan_app
  14
  15 Position the layer :
  16
  17 VK_INSTANCE_LAYERS=VK_LAYER_MESA_overlay VK_LAYER_MESA_OVERLAY_CONFIG=submit,draw,pipeline_graphics,position=top-right /path/to/my_vulkan_app