Ignore the top bit of the indirect texture matrix scale

This fixes the Zora eye coloration in Twilight Princess.
2021-07-04 20:32:07 -07:00 · 2021-07-04 20:32:07 -07:00 · f467c02d1a
parent 20a8e9c872
commit f467c02d1a
1 changed files with 4 additions and 1 deletions
--- a/Source/Core/VideoCommon/BPMemory.h
+++ b/Source/Core/VideoCommon/BPMemory.h
@ -375,7 +375,10 @@ union IND_MTXC
 {
  BitField<0, 11, s32> me;
  BitField<11, 11, s32> mf;
-  BitField<22, 2, u8, u32> s2;  // bits 4-5 of scale factor
+  BitField<22, 1, u8, u32> s2;  // bit 4 of scale factor
+  // The SDK treats the scale factor as 6 bits, 2 on each column; however, hardware seems to ignore
+  // the top bit.
+  BitField<22, 2, u8, u32> sdk_s2;
  u32 hex;
 };