diff options
Diffstat (limited to 'src/video_core/pica.h')
-rw-r--r-- | src/video_core/pica.h | 36 |
1 files changed, 30 insertions, 6 deletions
diff --git a/src/video_core/pica.h b/src/video_core/pica.h index 58b924f9e..f40684d83 100644 --- a/src/video_core/pica.h +++ b/src/video_core/pica.h @@ -441,8 +441,14 @@ struct Regs { }; enum class StencilAction : u32 { - Keep = 0, - Xor = 5, + Keep = 0, + Zero = 1, + Replace = 2, + Increment = 3, + Decrement = 4, + Invert = 5, + IncrementWrap = 6, + DecrementWrap = 7 }; struct { @@ -481,23 +487,29 @@ struct Regs { struct { union { + // Raw value of this register + u32 raw_func; + // If true, enable stencil testing BitField< 0, 1, u32> enable; // Comparison operation for stencil testing BitField< 4, 3, CompareFunc> func; - // Value to calculate the new stencil value from - BitField< 8, 8, u32> replacement_value; + // Mask used to control writing to the stencil buffer + BitField< 8, 8, u32> write_mask; // Value to compare against for stencil testing BitField<16, 8, u32> reference_value; // Mask to apply on stencil test inputs - BitField<24, 8, u32> mask; + BitField<24, 8, u32> input_mask; }; union { + // Raw value of this register + u32 raw_op; + // Action to perform when the stencil test fails BitField< 0, 3, StencilAction> action_stencil_fail; @@ -1021,12 +1033,20 @@ struct float24 { return ret; } + static float24 Zero() { + return FromFloat32(0.f); + } + // Not recommended for anything but logging float ToFloat32() const { return value; } float24 operator * (const float24& flt) const { + if ((this->value == 0.f && !std::isnan(flt.value)) || + (flt.value == 0.f && !std::isnan(this->value))) + // PICA gives 0 instead of NaN when multiplying by inf + return Zero(); return float24::FromFloat32(ToFloat32() * flt.ToFloat32()); } @@ -1043,7 +1063,11 @@ struct float24 { } float24& operator *= (const float24& flt) { - value *= flt.ToFloat32(); + if ((this->value == 0.f && !std::isnan(flt.value)) || + (flt.value == 0.f && !std::isnan(this->value))) + // PICA gives 0 instead of NaN when multiplying by inf + *this = Zero(); + else value *= flt.ToFloat32(); return *this; } |