SCALER_CTL.vscalefactor also applies to RTT and values > 1 will increase
the texture height.
dx11: initialize abufferPointers to avoid issues with first frame
rendered.
Fixes pause menu/battle animation with Skies of Arcadia (PAL)
Issue #1127
When using the secondary accumulator as source or destination, pixel
must not be discarded even if blending results in a nop. Doing so
cancels the transfer to/from the accumulator.
Issue #979
dx11 oit: use FAILED to detect pixel shader creation error. Log error
codes when Buffers::init fails.
* cmake: use c++17
* Use std::size
* Use std::make_unique
* Use std::clamp
* Use structured binding
* Use [[fallthrough]]
* Use enable_if_t/is_enum_v/is_integral_v/is_same_v
* Use if constexpr
* Use try_emplace
* Use auto for iterators
* Use inline variables
dx11: use 32-bit float depth texture to avoid loss of precision (SA2 into logo)
dx11: cache shader blobs to disk if not provided by OS
dx11: swap interval depends on screen refresh rate (1 for 60 Hz, 2 for 120 Hz, ...)
dx9: use clipping planes to avoid interpolation errors in rasterizer (daytona, mermaid lake)
directsound: use comptr
gui: fix navigation issue with OptionArrowButtons due to missing id