https://bugs.freedesktop.org/show_bug.cgi?id=111590
Bug ID: 111590
Summary: Please add an option to override number of backuffers
in radv with environment variable
Product: Mesa
Version: git
Hardware: Other
OS: Linux (All)
Status: NEW
Severity: enhancement
Priority: not set
Component: Drivers/Vulkan/radeon
Assignee: mesa-dev@lists.freedesktop.org
Reporter: shtetl...@gmail.com
QA Contact: mesa-dev@lists.freedesktop.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.
See: https://gitlab.freedesktop.org/xorg/xserver/issues/20
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.
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