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GTE: Fix NCDS

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This commit is contained in:
Connor McLaughlin
2019-09-25 15:40:08 +10:00
parent 607cd4d3e4
commit 3df7b22c37
4 changed files with 136 additions and 47 deletions
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26
src/pse/gte.h
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@ -26,14 +26,26 @@ public:
void ExecuteInstruction(Instruction inst);
private:
static constexpr s64 MAC0_MIN_VALUE = -(INT64_C(1) << 43);
static constexpr s64 MAC0_MAX_VALUE = (INT64_C(1) << 43) - 1;
static constexpr s64 MAC123_MIN_VALUE = -(INT64_C(1) << 43);
static constexpr s64 MAC123_MAX_VALUE = (INT64_C(1) << 43) - 1;
static constexpr s32 IR0_MIN_VALUE = 0x0000;
static constexpr s32 IR0_MAX_VALUE = 0x1000;
static constexpr s32 IR123_MIN_VALUE = -(INT64_C(1) << 15);
static constexpr s32 IR123_MAX_VALUE = (INT64_C(1) << 15) - 1;
template<u32 index>
s32 TruncateMAC(s64 value);
s64 TruncateMAC(s64 value);
template<u32 index>
s32 TruncateAndSetMAC(s64 value, bool sf);
template<u32 index>
u8 TruncateRGB(s32 value);
template<u32 index>
void SetIR(s32 value, bool lm);
s16 TruncateAndSetIR(s32 value, bool lm);
void SetMAC(u32 index, s64 value);
void SetIR(u32 index, s32 value, bool lm);
@ -45,8 +57,14 @@ private:
s32 Divide(s32 dividend, s32 divisor);
s32 SaturateDivide(s32 result);
static s64 VecDot(const s16 A[3], const s16 B[3]);
static s64 VecDot(const s16 A[3], s16 B_x, s16 B_y, s16 B_z);
s64 VecDot(const s16 A[3], const s16 B[3]);
s64 VecDot(const s16 A[3], s16 B_x, s16 B_y, s16 B_z);
// 3x3 matrix * 3x1 vector, updates MAC[1-3] and IR[1-3]
void MulMatVec(const s16 M[3][3], const s16 Vx, const s16 Vy, const s16 Vz, bool sf, bool lm);
// 3x3 matrix * 3x1 vector with translation, updates MAC[1-3] and IR[1-3]
void MulMatVec(const s16 M[3][3], const u32 T[3], const s16 Vx, const s16 Vy, const s16 Vz, bool sf, bool lm);
void RTPS(const s16 V[3], bool sf);
void NCDS(const s16 V[3], bool sf, bool lm);