Vulkan: removed unused qgl.h

vm_armv7l: ported dynamic register allocation and new opstack code fr…

…om vm_aarch64

vm_aarch64: fixed compiler warning

Disabled whiteimage + "filter" texture optimization

win_snd: backported IsWindows7OrGreater() from ETe to avoid using Ver…

…sionHelpers.h, fixes ec-#62

Sync KP_STAR changes with SDL input

Backported alpha-to-coverage fix from cnq3 for alpha-test function ec-#1

Vulkan: fixed fog attribute location in single texture fragment shader

Vulkan: re-enabled TCgen optimizations

Updated tlds.h

VBO: fixed fog color correction

Cleanup win32 resources