diff options
Diffstat (limited to 'Source/Core/VideoCommon/BPMemory.cpp')
| -rw-r--r-- | Source/Core/VideoCommon/BPMemory.cpp | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/Source/Core/VideoCommon/BPMemory.cpp b/Source/Core/VideoCommon/BPMemory.cpp index cb510e9e6a..e3887327d3 100644 --- a/Source/Core/VideoCommon/BPMemory.cpp +++ b/Source/Core/VideoCommon/BPMemory.cpp @@ -47,16 +47,26 @@ bool FogParams::IsNaNCase() const return a.exp == 255 && c_proj_fsel.c_exp == 255; } +float FogParam0::FloatValue() const +{ + // scale mantissa from 11 to 23 bits + const u32 integral = (sign << 31) | (exp << 23) | (mant << 12); + return Common::BitCast<float>(integral); +} + +float FogParam3::FloatValue() const +{ + // scale mantissa from 11 to 23 bits + const u32 integral = (c_sign << 31) | (c_exp << 23) | (c_mant << 12); + return Common::BitCast<float>(integral); +} + float FogParams::GetA() const { if (IsNaNCase()) return 0.0f; - // scale mantissa from 11 to 23 bits - const u32 integral = (static_cast<u32>(a.sign) << 31) | (static_cast<u32>(a.exp) << 23) | - (static_cast<u32>(a.mant) << 12); - - return Common::BitCast<float>(integral); + return a.FloatValue(); } float FogParams::GetC() const @@ -67,9 +77,5 @@ float FogParams::GetC() const return !a.sign && !c_proj_fsel.c_sign ? -inf : inf; } - // scale mantissa from 11 to 23 bits - const u32 integral = (c_proj_fsel.c_sign.Value() << 31) | (c_proj_fsel.c_exp.Value() << 23) | - (c_proj_fsel.c_mant.Value() << 12); - - return Common::BitCast<float>(integral); + return c_proj_fsel.FloatValue(); } |
