diff options
| author | Stenzek <stenzek@gmail.com> | 2016-01-14 01:57:01 +1000 |
|---|---|---|
| committer | Stenzek <stenzek@gmail.com> | 2016-01-15 19:46:38 +1000 |
| commit | edebadc0936c13de5c70b149fd99cfea684d4adc (patch) | |
| tree | 2d45e85539f5d31ad26e7982d4243980356de747 /Source/Core/VideoBackends/Software | |
| parent | 87464d432b8dbef6311ee827d592cdce84fe7b67 (diff) | |
PixelShaderGen: Use bitwise AND for wrapping indirect texture coordinates
(x % y) is not defined in GLSL when sign(x) != sign(y).
This also has the added benefit of behaving the same as sampler wrapping modes, in regards to negative inputs.
Diffstat (limited to 'Source/Core/VideoBackends/Software')
| -rw-r--r-- | Source/Core/VideoBackends/Software/Tev.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Source/Core/VideoBackends/Software/Tev.cpp b/Source/Core/VideoBackends/Software/Tev.cpp index 939b9f98a4..a09b9cbb00 100644 --- a/Source/Core/VideoBackends/Software/Tev.cpp +++ b/Source/Core/VideoBackends/Software/Tev.cpp @@ -374,15 +374,15 @@ static inline s32 WrapIndirectCoord(s32 coord, int wrapMode) case ITW_OFF: return coord; case ITW_256: - return (coord % (256 << 7)); + return (coord & ((256 << 7) - 1)); case ITW_128: - return (coord % (128 << 7)); + return (coord & ((128 << 7) - 1)); case ITW_64: - return (coord % (64 << 7)); + return (coord & ((64 << 7) - 1)); case ITW_32: - return (coord % (32 << 7)); + return (coord & ((32 << 7) - 1)); case ITW_16: - return (coord % (16 << 7)); + return (coord & ((16 << 7) - 1)); case ITW_0: return 0; default: |