GPU: D3D12 backend log spam when clearing depth buffer to nonzero value about sdl HOT 5 CLOSED

This is Microsoft's boneheaded design and the warning comes straight from their validator layer. I'm not sure what we can do beyond suppressing this specific message. I agree that this is very stupid and annoying.

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Should we default the value to 1.0f if it's not specified?

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It's not a bad idea but this warning applies to color clears too. I'm not sure why Microsoft decided to design clears this way or emit a warning on every single clear usage but here we are.

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i am not getting any warning for the color clear (i am clearing to magenta). havent yet checked for stencil clears.

doesnt matter much whether the default on creation is 0.0f or 1.0f — using reversed z is common too, so cant win either way.

in any case, the props workaround is adequate. probably just deserves a footnote in the docs somewhere. i will submit a patch for that.

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ok, ive added a brief discussion of this to the wiki under SDL_BeginGPURenderPass, as i guess that is where the warnings will be seen to be "coming from", even though the properties do actually belong with SDL_GPUTextureCreateInfo.

libsdl-org/sdlwiki#591

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