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Vulkan: Use stencil export when available - #16434
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Just being safe.
This prevents multiple passes to upload stencil buffers.
Also corrects handling of non-24 bit depth when reducing the range.
hrydgard
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Nov 25, 2022
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Yeah, why not. It's a shame though that NV still hasn't implemented support for this in their hardware.
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Also on desktop OpenGL. In both cases, an extension exists to allow directly writing to stencil.
This has been showing up as supported on some newer Adreno devices (7xx, etc.) and should be more efficient than the previous 8 pass method. Not supported on NVIDIA, but I tested on an Intel GPU.
A small optimization, but it was easy.
-[Unknown]