Windows changes the display source order which mucks up the equality matching in DM. This change attempts to mitigate that fact.
There were also errors in the HDR settings captured, which indicate that the HDR changes weren't finishing before they were being recorded. This change attempts to take care of that too.
All tests so far seem to work, so lets see how things go!
Equality works until we return from a surround profile to a non-surround profile. At this point the displays are reordered by windows, and the windows display configus don't match any more. Addtionally, it looks as though we need a 0.5 second pause between applying the configuration, and reading the new config. There appears to be a difference between HDR before we changed to the surround proile and after we've returned, and that's not a good thing!
The derived ProfilteItem classes were an unnecessary distraction and wasted time I could be spending on other things. This set of changes are the first part of removing those derived classes and moving to a single ProfilItem class again, but with different configuration slots within it. Makes equality comparison SO MUCH EASIER!
I am a lot closer at the moment, but there is some bit of logic matching that is escaping me. I think I'm just too tired at the moment, and I need a sleep. I bet this will seem simple in the morning.
Found an underlying problem of using the OutputID for displayIdentifier matching as the outputID changes after each reboot. CHanged the DisplayIdentifier to record the type of the connection to the display, which stays the same even if the OututID changes. Also made the ProfileItem.Equals look for DisplayIdentifier ids and match them even if they are in a different order. This seems to happen some times, and I'm not sure why the NVIDIA driver does it!
Used new derived class equality class from https://codinghelmet.com/articles/equals-override which helped me understand the logic for deriving equality between base classes and derived classes. It has now exposed another error in the way FORCED_VIDEO_MODE is being applied and that is now something else I need to fix!
Added in the ability to map the Windows CCD Display name to NVAPI DisplayId, which will make it possible to use that information within DisplayMagician.
Partway through having the Screens properly populated for the NVIDIA surround screen setups, but have struck an issue with the extra non-surround screens in a combined surround and non-surround screen setup. The additional non-surround screens don't have any X & Y positions set within the mosaic config, which means I should really be using the WIndows config details, but there isn't anyway to identify which windows screen path matches which nvidia display ID. THe only way to do this is to start storing the NVIDIA displayconfig too.
Amazing! This is the first working version of DisplayMagician using the new NVIDIA and Windows CCD library. It works properly, and now I can start to tidy up some of the additioanl functionality I need to sort out before a release. I also then need to work on the AMD library as well!
Still have an issue where the 'Equals' doesn't detect that there is a different primary screen, so it won't let me save a new profile for the slightly changed display settings.
NVIDIA Profiles can be created, JSON file saved ok, and the bitmaps and icons are drawn correctly and showin in the Display Profile window. The problem comes when the DisplayProfiles_2.0.json file is loaded. JsonConvert causes an exception trying to populate ProfileBitmap, and I can't figure out why!
Have almost integrated the new CCD, AMD and NVIDIA
libraries into DIsplayMagician. The CCD library is working
fine. The AMD library is partially completed, but is awaiting
some help from AMD, as it appears one of their driver functions
is broken (or at least incorrectly documented). The NVIDIA
library is currently still under development, but I've still copied
it across so that I could work on the additional profile objects
that need to be prepared in order for this to work.
As I am waiting on a response from AMD, the plan is now that
I will swap over to an NVIDIA based video card in my test machines
and I will start work on the NVIDIA library. The NVIDIA library seems
straight forward compared to AMD, so that hopefully won't take too
long to do. Once that library is compete, I'll test it within NVIDIAInfo
application until its working, and then I'll port it back over to
DisplayMagician. That will then let me complete the last bits of the
integration so that I can complete the last of the NVIDIA tests.
Hopefully by the time all this happens I will have heard back from
AMD and I will be able to continue work with that section of code.
Added some basic CCD library functionality
to be able to set Windows displays directly
from the code. This will enable future native
HDR support through windows, as well as
allow positioning and screen setup to work
better through here than via the AMD driver.
Will still need to work on AMD Eyefinity support
once this is completed.
