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shader_recompiler: shaer patch to manualy normalize on unsupported Vulkan UNORM/SNORM formats #1532

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LNDF
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@LNDF LNDF commented Nov 14, 2024

Vulkan doesn't have support for SNORM/UNORM number formats for 32, 32_32, 32_32_32 and 32_32_32_32 data formats. Insteed use SINT/UINT and normalize/unormalize on shader when reading/writing.

Maybe we don't need to specialize by number of components, I can revert that.

@LNDF LNDF marked this pull request as ready for review November 15, 2024 16:49
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LNDF commented Nov 15, 2024

Please verify that the patch is correct. I was not able to test it myself.

@kalaposfos13
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In Beach Buggy Racing, it seems this does not work
shad_log_snorm_with.txt
shad_log_snorm_without.txt

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LNDF commented Nov 15, 2024

This pr only covers 32 bit normalized numbers, does the game black screen?

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No the game works fine and is playable, other than no way of saving progress due to it storing data online

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