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VideoCommon: Move bounding box pixel quads rounding to shader

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This avoids rounding values that the game writes to the bounding box
registers, especially the default values.
This commit is contained in:
Techjar 2021-05-28 23:30:22 -04:00
commit e4aef0a85b
3 changed files with 20 additions and 18 deletions
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6
Source/Core/VideoBackends/Software/Tev.cpp
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@ -838,8 +838,10 @@ void Tev::Draw()
EfbInterface::IncPerfCounterQuadCount(PQ_ZCOMP_OUTPUT);
}
BoundingBox::Update(static_cast<u16>(Position[0]), static_cast<u16>(Position[0]),
static_cast<u16>(Position[1]), static_cast<u16>(Position[1]));
// 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.
BoundingBox::Update(static_cast<u16>(Position[0] & ~1), static_cast<u16>(Position[0] | 1),
static_cast<u16>(Position[1] & ~1), static_cast<u16>(Position[1] | 1));
#if ALLOW_TEV_DUMPS
if (g_ActiveConfig.bDumpTevStages)