Remove stb_image usage (no longer used for anything).
Windows/Android buildfix.
Only include image writing headers on Windows. Since only it does screenshots right now.
Windows buildfix. Needed path in UI.vcxproj.
Attempt to pick a better blend for stencil replace.
Add ability to change nickname and take screenshot to Qt Desktop UI.
Don't forget the alpha in non-fixed blending.
Avoid optimizing out both constant colors.
Cut down on reporting of FBO misuse.

These cases are likely to be okay.
Stop reporting logic ops.

We support them on desktop and they're not really often used.
Stop reporting system param reads.

So games use it.  We'll have to decide what to do with that information,
but the reporting isn't that useful now.
Merge pull request #4747 from unknownbrackets/stencilalpha

Attempt to pick a better blend for stencil replace
Merge pull request #4751 from unknownbrackets/reporting

Cut down on reporting of FBO misuse
Add InputBox as a platform-specific system function instead of a host function. Enable it on all Qt platforms. Add Set Nickname to mobile Qt.
Fix headless build
Handle duplicate on-screen messages better (promote the old one to top).
Hopefully fix UV scaling properly this time.

Check the faces in Hexyz Force please.
Actually fix headless build, doh
Only zero alpha if stencil op consistently says to zero.

Otherwise we may be better off keeping the alpha.