There seems to be an issue filling the present queue (at least for me) on the HD 4000. As I reported in the bugtracker increasing the FSE frames in advance and continuing playback without restarting the player the present queue fills better.
I am wondering if this is another limitation of Intel's driver or something MadVR can do better in regards to the present queue.
Quote:
Originally Posted by madshi
For those having problems with newer Intel GPU drivers...
It seems that Intel drivers 9.18.10.3071 (and .3111) have a bug which occurs when using the madVR option "use a separate device for presentation".
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*update* I've just upgraded to the .3190 drivers from the site ajp2k11
linked us and the bug I informed Madshi about above has been fixed. This update is available for both Ivy and Sandy Bridge processors and use the older non tile based UI.
My present queues in FSE are still low 0/4-1/4 and nothing I change improves that but haven't had any glitches or drops. Windowed mode and it's backbuffers fill just fine.