//----------------------------------------------------------------------------- // Copyright (c) 2012 GarageGames, LLC // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to // deal in the Software without restriction, including without limitation the // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or // sell copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS // IN THE SOFTWARE. //----------------------------------------------------------------------------- #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_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 } } #elif defined(TORQUE_SUPPORTS_NASM) #define ADD_3DNOW_FUNCS extern "C" { void Athlon_MatrixF_x_MatrixF(const F32 *matA, const F32 *matB, F32 *result); } #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; }