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VideoCommon: Account for pixel quads in bounding box calculation #9736

Merged
merged 2 commits into from May 22, 2021
Merged

VideoCommon: Account for pixel quads in bounding box calculation #9736

merged 2 commits into from May 22, 2021

Commits on May 22, 2021

  1. VideoCommon: Split BBox* functions into common and backend implementa… 

    …tion variants

This will allow for some aspects of bounding box to be handled in
VideoCommon instead of individual backends.
    @Techjar
    Techjar committed May 22, 2021
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  2. VideoCommon: Account for pixel quads in bounding box calculation 

    The GC/Wii GPU rasterizes in 2x2 pixel groups, so bounding box values
will be rounded to the extents of these groups, rather than the exact
pixel. To account for this, we'll round the top/left down to even and
the bottom/right up to odd. I have verified that the values resulting
from this change exactly match a real Wii.
    @Techjar
    Techjar committed May 22, 2021
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