Please add an option to override number of backuffers in Vulkan drivers with environment variable
Submitted by Shmerl
Assigned to mes..@..op.org
There are cases when too few backuffers can cause Wayland compositors to lock framerate to refresh rate of the monitor (for example in XWayland case), no matter if vsync is on or off in the application settings.
While in case of dxvk, there is an option to increase number of backuffers to mitigate that, when dealing with some native or even Wine based Vulkan applications, there might be no easy way to do it. Adding an option to radv, similar how it now allows overriding present mode with MESA_VK_WSI_PRESENT_MODE can help such cases.