243 lines
11 KiB
C++
Executable File
243 lines
11 KiB
C++
Executable File
//-----------------------------------------------------------------------------
|
|
// Torque Game Engine
|
|
// Copyright (C) GarageGames.com, Inc.
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#include "math/mMathFn.h"
|
|
#include "math/mPlane.h"
|
|
#include "math/mMatrix.h"
|
|
|
|
|
|
// extern void (*m_matF_x_point3F)(const F32 *m, const F32 *p, F32 *presult);
|
|
// extern void (*m_matF_x_vectorF)(const F32 *m, const F32 *v, F32 *vresult);
|
|
|
|
/* not currently implemented.
|
|
void Athlon_MatrixF_x_Point3F(const F32 *m, const F32 *p, F32 *presult)
|
|
{
|
|
m;
|
|
p;
|
|
presult;
|
|
}
|
|
*/
|
|
|
|
//============================================================
|
|
// Here's the C code for MatF_x_MatF:
|
|
// note that the code below does it in a different order (optimal asm, after all!)
|
|
//
|
|
// r[0] = a[0]*b[0] + a[1]*b[4] + a[2]*b[8] + a[3]*b[12];
|
|
// r[1] = a[0]*b[1] + a[1]*b[5] + a[2]*b[9] + a[3]*b[13];
|
|
// r[2] = a[0]*b[2] + a[1]*b[6] + a[2]*b[10] + a[3]*b[14];
|
|
// r[3] = a[0]*b[3] + a[1]*b[7] + a[2]*b[11] + a[3]*b[15];
|
|
//
|
|
// r[4] = a[4]*b[0] + a[5]*b[4] + a[6]*b[8] + a[7]*b[12];
|
|
// r[5] = a[4]*b[1] + a[5]*b[5] + a[6]*b[9] + a[7]*b[13];
|
|
// r[6] = a[4]*b[2] + a[5]*b[6] + a[6]*b[10] + a[7]*b[14];
|
|
// r[7] = a[4]*b[3] + a[5]*b[7] + a[6]*b[11] + a[7]*b[15];
|
|
//
|
|
// r[8] = a[8]*b[0] + a[9]*b[4] + a[10]*b[8] + a[11]*b[12];
|
|
// r[9] = a[8]*b[1] + a[9]*b[5] + a[10]*b[9] + a[11]*b[13];
|
|
// r[10]= a[8]*b[2] + a[9]*b[6] + a[10]*b[10]+ a[11]*b[14];
|
|
// r[11]= a[8]*b[3] + a[9]*b[7] + a[10]*b[11]+ a[11]*b[15];
|
|
//
|
|
// r[12]= a[12]*b[0]+ a[13]*b[4]+ a[14]*b[8] + a[15]*b[12];
|
|
// r[13]= a[12]*b[1]+ a[13]*b[5]+ a[14]*b[9] + a[15]*b[13];
|
|
// r[14]= a[12]*b[2]+ a[13]*b[6]+ a[14]*b[10]+ a[15]*b[14];
|
|
// r[15]= a[12]*b[3]+ a[13]*b[7]+ a[14]*b[11]+ a[15]*b[15];
|
|
//============================================================
|
|
|
|
#if defined(TORQUE_SUPPORTS_NASM)
|
|
#define ADD_3DNOW_FUNCS
|
|
extern "C"
|
|
{
|
|
void Athlon_MatrixF_x_MatrixF(const F32 *matA, const F32 *matB, F32 *result);
|
|
}
|
|
|
|
#elif defined(TORQUE_SUPPORTS_VC_INLINE_X86_ASM)
|
|
#define ADD_3DNOW_FUNCS
|
|
// inlined version here.
|
|
void Athlon_MatrixF_x_MatrixF(const F32 *matA, const F32 *matB, F32 *result)
|
|
{
|
|
__asm
|
|
{
|
|
femms
|
|
|
|
mov ecx, matA
|
|
mov edx, matB
|
|
mov eax, result
|
|
|
|
prefetch [ecx+32] ;// These may help -
|
|
prefetch [edx+32] ;// and probably don't hurt
|
|
|
|
movq mm0,[ecx] ;// a21 | a11
|
|
movq mm1,[ecx+8] ;// a41 | a31
|
|
movq mm4,[edx] ;// b21 | b11
|
|
punpckhdq mm2,mm0 ;// a21 |
|
|
movq mm5,[edx+16] ;// b22 | b12
|
|
punpckhdq mm3,mm1 ;// a41 |
|
|
movq mm6,[edx+32] ;// b23 | b13
|
|
punpckldq mm0,mm0 ;// a11 | a11
|
|
punpckldq mm1,mm1 ;// a31 | a31
|
|
pfmul mm4,mm0 ;// a11*b21 | a11*b11
|
|
punpckhdq mm2,mm2 ;// a21 | a21
|
|
pfmul mm0,[edx+8] ;// a11*b41 | a11*b31
|
|
movq mm7,[edx+48] ;// b24 | b14
|
|
pfmul mm5,mm2 ;// a21*b22 | a21*b12
|
|
punpckhdq mm3,mm3 ;// a41 | a41
|
|
pfmul mm2,[edx+24] ;// a21*b42 | a21*b32
|
|
pfmul mm6,mm1 ;// a31*b23 | a31*b13
|
|
pfadd mm5,mm4 ;// a21*b22 + a11*b21 | a21*b12 + a11*b11
|
|
pfmul mm1,[edx+40] ;// a31*b43 | a31*b33
|
|
pfadd mm2,mm0 ;// a21*b42 + a11*b41 | a21*b32 + a11*b31
|
|
pfmul mm7,mm3 ;// a41*b24 | a41*b14
|
|
pfadd mm6,mm5 ;// a21*b22 + a11*b21 + a31*b23 | a21*b12 + a11*b11 + a31*b13
|
|
pfmul mm3,[edx+56] ;// a41*b44 | a41*b34
|
|
pfadd mm2,mm1 ;// a21*b42 + a11*b41 + a31*b43 | a21*b32 + a11*b31 + a31*b33
|
|
pfadd mm7,mm6 ;// a41*b24 + a21*b22 + a11*b21 + a31*b23 | a41*b14 + a21*b12 + a11*b11 + a31*b13
|
|
movq mm0,[ecx+16] ;// a22 | a12
|
|
pfadd mm3,mm2 ;// a41*b44 + a21*b42 + a11*b41 + a31*b43 | a41*b34 + a21*b32 + a11*b31 + a31*b33
|
|
movq mm1,[ecx+24] ;// a42 | a32
|
|
movq [eax],mm7 ;// r21 | r11
|
|
movq mm4,[edx] ;// b21 | b11
|
|
movq [eax+8],mm3 ;// r41 | r31
|
|
|
|
punpckhdq mm2,mm0 ;// a22 | XXX
|
|
movq mm5,[edx+16] ;// b22 | b12
|
|
punpckhdq mm3,mm1 ;// a42 | XXX
|
|
movq mm6,[edx+32] ;// b23 | b13
|
|
punpckldq mm0,mm0 ;// a12 | a12
|
|
punpckldq mm1,mm1 ;// a32 | a32
|
|
pfmul mm4,mm0 ;// a12*b21 | a12*b11
|
|
punpckhdq mm2,mm2 ;// a22 | a22
|
|
pfmul mm0,[edx+8] ;// a12*b41 | a12*b31
|
|
movq mm7,[edx+48] ;// b24 | b14
|
|
pfmul mm5,mm2 ;// a22*b22 | a22*b12
|
|
punpckhdq mm3,mm3 ;// a42 | a42
|
|
pfmul mm2,[edx+24] ;// a22*b42 | a22*b32
|
|
pfmul mm6,mm1 ;// a32*b23 | a32*b13
|
|
pfadd mm5,mm4 ;// a12*b21 + a22*b22 | a12*b11 + a22*b12
|
|
pfmul mm1,[edx+40] ;// a32*b43 | a32*b33
|
|
pfadd mm2,mm0 ;// a12*b41 + a22*b42 | a12*b11 + a22*b32
|
|
pfmul mm7,mm3 ;// a42*b24 | a42*b14
|
|
pfadd mm6,mm5 ;// a32*b23 + a12*b21 + a22*b22 | a32*b13 + a12*b11 + a22*b12
|
|
pfmul mm3,[edx+56] ;// a42*b44 | a42*b34
|
|
pfadd mm2,mm1 ;// a32*b43 + a12*b41 + a22*b42 | a32*b33 + a12*b11 + a22*b32
|
|
pfadd mm7,mm6 ;// a42*b24 + a32*b23 + a12*b21 + a22*b22 | a42*b14 + a32*b13 + a12*b11 + a22*b12
|
|
movq mm0,[ecx+32] ;// a23 | a13
|
|
pfadd mm3,mm2 ;// a42*b44 + a32*b43 + a12*b41 + a22*b42 | a42*b34 + a32*b33 + a12*b11 + a22*b32
|
|
movq mm1,[ecx+40] ;// a43 | a33
|
|
movq [eax+16],mm7 ;// r22 | r12
|
|
movq mm4,[edx] ;// b21 | b11
|
|
movq [eax+24],mm3 ;// r42 | r32
|
|
|
|
punpckhdq mm2,mm0 ;// a23 | XXX
|
|
movq mm5,[edx+16] ;// b22 | b12
|
|
punpckhdq mm3,mm1 ;// a43 | XXX
|
|
movq mm6,[edx+32] ;// b23 | b13
|
|
punpckldq mm0,mm0 ;// a13 | a13
|
|
punpckldq mm1,mm1 ;// a33 | a33
|
|
pfmul mm4,mm0 ;// a13*b21 | a13*b11
|
|
punpckhdq mm2,mm2 ;// a23 | a23
|
|
pfmul mm0,[edx+8] ;// a13*b41 | a13*b31
|
|
movq mm7,[edx+48] ;// b24 | b14
|
|
pfmul mm5,mm2 ;// a23*b22 | a23*b12
|
|
punpckhdq mm3,mm3 ;// a43 | a43
|
|
pfmul mm2,[edx+24] ;// a23*b42 | a23*b32
|
|
pfmul mm6,mm1 ;// a33*b23 | a33*b13
|
|
pfadd mm5,mm4 ;// a23*b22 + a13*b21 | a23*b12 + a13*b11
|
|
pfmul mm1,[edx+40] ;// a33*b43 | a33*b33
|
|
pfadd mm2,mm0 ;// a13*b41 + a23*b42 | a13*b31 + a23*b32
|
|
pfmul mm7,mm3 ;// a43*b24 | a43*b14
|
|
pfadd mm6,mm5 ;// a33*b23 + a23*b22 + a13*b21 | a33*b13 + a23*b12 + a13*b11
|
|
pfmul mm3,[edx+56] ;// a43*b44 | a43*b34
|
|
pfadd mm2,mm1 ;// a33*b43*a13*b41 + a23*b42 | a33*b33 + a13*b31 + a23*b32
|
|
pfadd mm7,mm6 ;// a43*b24 + a33*b23 + a23*b22 + a13*b21 | a43*b14 + a33*b13 + a23*b12 + a13*b11
|
|
movq mm0,[ecx+48] ;// a24 | a14
|
|
pfadd mm3,mm2 ;// a43*b44 + a33*b43*a13*b41 + a23*b42 | a43*b34 + a33*b33 + a13*b31 + a23*b32
|
|
movq mm1,[ecx+56] ;// a44 | a34
|
|
movq [eax+32],mm7 ;// r23 | r13
|
|
movq mm4,[edx] ;// b21 | b11
|
|
movq [eax+40],mm3 ;// r43 | r33
|
|
|
|
punpckhdq mm2,mm0 ;// a24 | XXX
|
|
movq mm5,[edx+16] ;// b22 | b12
|
|
punpckhdq mm3,mm1 ;// a44 | XXX
|
|
movq mm6,[edx+32] ;// b23 | b13
|
|
punpckldq mm0,mm0 ;// a14 | a14
|
|
punpckldq mm1,mm1 ;// a34 | a34
|
|
pfmul mm4,mm0 ;// a14*b21 | a14*b11
|
|
punpckhdq mm2,mm2 ;// a24 | a24
|
|
pfmul mm0,[edx+8] ;// a14*b41 | a14*b31
|
|
movq mm7,[edx+48] ;// b24 | b14
|
|
pfmul mm5,mm2 ;// a24*b22 | a24*b12
|
|
punpckhdq mm3,mm3 ;// a44 | a44
|
|
pfmul mm2,[edx+24] ;// a24*b 42 | a24*b32
|
|
pfmul mm6,mm1 ;// a34*b23 | a34*b13
|
|
pfadd mm5,mm4 ;// a14*b21 + a24*b22 | a14*b11 + a24*b12
|
|
pfmul mm1,[edx+40] ;// a34*b43 | a34*b33
|
|
pfadd mm2,mm0 ;// a14*b41 + a24*b 42 | a14*b31 + a24*b32
|
|
pfmul mm7,mm3 ;// a44*b24 | a44*b14
|
|
pfadd mm6,mm5 ;// a34*b23 + a14*b21 + a24*b22 | a34*b13 + a14*b11 + a24*b12
|
|
pfmul mm3,[edx+56] ;// a44*b44 | a44*b34
|
|
pfadd mm2,mm1 ;// a34*b43 + a14*b41 + a24*b 42 | a34*b33 + a14*b31 + a24*b32
|
|
pfadd mm7,mm6 ;// a44*b24 + a14*b23 + a24*b 42 | a44*b14 + a14*b31 + a24*b32
|
|
pfadd mm3,mm2 ;// a44*b44 + a34*b43 + a14*b41 + a24*b42 | a44*b34 + a34*b33 + a14*b31 + a24*b32
|
|
movq [eax+48],mm7 ;// r24 | r14
|
|
movq [eax+56],mm3 ;// r44 | r34
|
|
femms
|
|
}
|
|
}
|
|
#endif
|
|
|
|
|
|
#if 0
|
|
/* this isn't currently used/implemented.
|
|
void Athlon_MatrixF_x_VectorF(const F32 *matrix, const F32 *vector, F32 *result)
|
|
{
|
|
__asm {
|
|
femms
|
|
mov eax,result
|
|
mov ecx,vector
|
|
mov edx,matrix
|
|
|
|
// Here's what we're doing:
|
|
// result[0] = M[0] * v[0] + M[1] * v[1] + M[2] * v[2];
|
|
// result[1] = M[4] * v[0] + M[5] * v[1] + M[6] * v[2];
|
|
// result[2] = M[8] * v[0] + M[9] * v[1] + M[10]* v[2];
|
|
|
|
movq mm0,[ecx] // y | x
|
|
movd mm1,[ecx+8] // 0 | z
|
|
movd mm4,[edx+8] // 0 | m_13
|
|
movq mm3,mm0 // y | x
|
|
movd mm2,[edx+40] // 0 | m_33 (M[10])
|
|
punpckldq mm0,mm0 // x | x
|
|
punpckldq mm4,[edx+20] // m_31 | m_23
|
|
pfmul mm0,[edx] // x * m_12 | x * m_11
|
|
punpckhdq mm3,mm3 // y | y
|
|
pfmul mm2,mm1 // 0 | z * m_33
|
|
punpckldq mm1,mm1 // z | z
|
|
pfmul mm4,[ecx] // y * m_31 | x * m_23
|
|
pfmul mm3,[edx+12] // y * m_22 | y * m_21
|
|
pfmul mm1,[edx+24] // z * m_32 | z * m_32
|
|
pfacc mm4,mm4 // ? | y * m_31 + x * m_23
|
|
pfadd mm3,mm0 // x * m_12 + y * m_22 | x * m_11 + y * m_21
|
|
pfadd mm4,mm2 // ? | y * m_31 + x * m_23 + z * m_33
|
|
pfadd mm3,mm1 // x * m_12 + y * m_22 + z * m_32 | x * m_11 + y * m_21 + z * m_32
|
|
movd [eax+8],mm4 // r_z
|
|
movq [eax],mm3 // r_y | r_x
|
|
femms
|
|
}
|
|
}
|
|
*/
|
|
#endif
|
|
|
|
|
|
void mInstall_AMD_Math()
|
|
{
|
|
#if defined(ADD_3DNOW_FUNCS)
|
|
m_matF_x_matF = Athlon_MatrixF_x_MatrixF;
|
|
#endif
|
|
// m_matF_x_point3F = Athlon_MatrixF_x_Point3F;
|
|
// m_matF_x_vectorF = Athlon_MatrixF_x_VectorF;
|
|
}
|
|
|