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Slightly simplifies the upcoming refactor
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The whole ownership model was getting a bit of a mess, with a some
of special cases to deal with. And I'm planning to make it even more
complex in the future.
So here is some upfront work to convert it over to reference counted
pointers.
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default to layer 0
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Software: Remove alpha=1 blending special-case
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This was added in #10394 for both the hardware and software backends to work around an issue with Mario Kart Wii, Fortune Street, and Baten Kaitos. However, it seems like the software renderer handles blending well enough that we don't need this (and in any case, it's easy to change blending in the software renderer).
Some experimentation with #11387 (not pushed) showed that the software renderer's logic would also produce correct results on the hardware backends with this hack removed, but would require fbfetch (currently); if a better solution is found the hack can also be removed from the hardware backends.
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This is clearer and reduces IntelliSense problems.
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I think this is only used for texture dumping, but this resolves some failed assertions and glitchy results.
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Texture dumping can already be done using VideoCommon's system (and in fact the same setting already enabled *both* of these). Dumping objects/TEV stages/texture fetches doesn't currently have an equivalent, but could be added to the FIFO player instead.
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It stores both the konst selection value for alpha and color channels (for two tev stages per ksel), and half of a swap table row (there are 4 total swap tables, which can be used for swizzling the rasterized color and the texture color, and indices selecting which tables to use are stored per tev stage in the alpha combiner). Since these are indexed very differently, the old code was hard to follow.
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The masking was incorrect. This affects the main menu of The Last Avatar, though that menu also relies on copy filter functionality that is not correctly handled in the software renderer so the difference is not obvious; that game shuffles textures across all indices for some reason, so this issue would presumably result in subtle flickering.
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Add a post-cache shader UID fixup pass
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This will be used for later refactoring for increased accuracy.
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Adds a pass to process driver deficiencies between UID caching and use, allowing a full view of the whole pipeline, since some bugs/workarounds involve interactions between blend modes and the pixel shader
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This almost certainly never happens, but if it does we want to know.
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Rework scissor handling
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Co-authored-by: Scott Mansell <phiren@gmail.com>
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Fixes a large number of effects in Rogue Squadron 2 and 3.
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This fixes https://bugs.dolphin-emu.org/issues/12562, and is also needed for a hardware test of mine.
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Unlike the hardware backends, the software renderer can use multiple scissor rectangles (though this will result in extra rasterization).
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I think this is a relic of D3D9. D3D11 and D3D12 seem to work fine without it. Plus, ViewportCorrectionMatrix just didn't work correctly (at least with the viewports being generated by the new scissor code).
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This is needed since we need a separate offset for zfreeze to work correctly. It also makes the code a bit less jank.
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These aren't particularly useful, and make the code a bit more confusing. If for some reason someone wants to test what happens when these functions are disabled, it's easier to just edit the code that implements them. They aren't exposed in the UI, so one would need to restart Dolphin to do it anyways.
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This message would be logged, usually multiple times, for EVERY. SINGLE. PIXEL. That's pretty much useless and just makes the log unreadable. Plus, the current support (which acts as RGB8) is close enough that for end-user purposes, it's fine. I don't think the hardware backends support RGB565_Z16 and its antialiasing functionality correctly either, but they don't have similar logspam.
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This removes the white box in fortune street again, without causing Mario Kart Wii to regress.
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It doesn't make sense for alpha to add the bias ONLY when dividing by 2, while color doesn't apply the bias for divide by 2 only; hardware testing indicates that alpha should have the bias.
This fixes the menus in Mario Kart Wii (https://bugs.dolphin-emu.org/issues/11909) but reintroduces the white rectangle in Fortune Street.
This reverts commit 5aaa5141ed76acc3fffc70561a6b6e7fe3b9b470 (and several other matching changes elsewhere).
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