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- Fix packed uvs from being saturated
This commit is contained in:
Jozufozu 2024-10-05 21:21:21 -07:00
parent 3dac11899e
commit 39b2508d02
1 changed files with 4 additions and 2 deletions
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6
common/src/lib/java/dev/engine_room/flywheel/lib/instance/GlyphInstance.java
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@ -60,7 +60,9 @@ public class GlyphInstance extends ColoredLitInstance {
float v0 = glyphExtension.flywheel$v0();
float v1 = glyphExtension.flywheel$v1();
packedUs = ((int) DataPacker.packNormU16(u1) << 16) | (int) DataPacker.packNormU16(u0);
packedVs = ((int) DataPacker.packNormU16(v1) << 16) | (int) DataPacker.packNormU16(v0);
// Need to make sure at least u0/v0 don't get their sign bit extended in the cast.
// It causes u1/v1 to be completely saturated.
packedUs = (Short.toUnsignedInt(DataPacker.packNormU16(u1)) << 16) | Short.toUnsignedInt(DataPacker.packNormU16(u0));
packedVs = (Short.toUnsignedInt(DataPacker.packNormU16(v1)) << 16) | Short.toUnsignedInt(DataPacker.packNormU16(v0));
}
}