Fix nothing showing up in DOOM Eternal with present from compute disabled

Fix build warning

Simplify built-in add-on check

Move some Windows-specific input and utility code into separate files

Fix Windows build with CMake

Add Polish to update language script

Add Polish translation (#413)

Clean up code

Fix font size showing up as zero by default

Add DXBC backend as an option to effect compiler utility tool

Add quantization format check assertion

Fix build without add-on support

Fix build of ReShade FX project on Linux

Add some missing include directives

Fix possible integer overflow in DDS loader causing out-of-bounds writes