X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=source%2Fgles2glide64%2Fsrc%2FGlide64%2F3dmathneon.cpp;fp=source%2Fgles2glide64%2Fsrc%2FGlide64%2F3dmathneon.cpp;h=9d69a8c79320cd2ab0c65305de7a4181344e884f;hb=98e75f2d18c02c233da543560f76282f04fc796c;hp=0000000000000000000000000000000000000000;hpb=0ced54f867d36e8b324155bef49e8abfebfc3237;p=mupen64plus-pandora.git diff --git a/source/gles2glide64/src/Glide64/3dmathneon.cpp b/source/gles2glide64/src/Glide64/3dmathneon.cpp new file mode 100755 index 0000000..9d69a8c --- /dev/null +++ b/source/gles2glide64/src/Glide64/3dmathneon.cpp @@ -0,0 +1,133 @@ +#include "3dmath.h" + +static void MultMatrix_neon( float m0[4][4], float m1[4][4], float dest[4][4]) +{ + asm volatile ( + "vld1.32 {d0, d1}, [%1]! \n\t" //q0 = m1 + "vld1.32 {d2, d3}, [%1]! \n\t" //q1 = m1+4 + "vld1.32 {d4, d5}, [%1]! \n\t" //q2 = m1+8 + "vld1.32 {d6, d7}, [%1] \n\t" //q3 = m1+12 + "vld1.32 {d16, d17}, [%0]! \n\t" //q8 = m0 + "vld1.32 {d18, d19}, [%0]! \n\t" //q9 = m0+4 + "vld1.32 {d20, d21}, [%0]! \n\t" //q10 = m0+8 + "vld1.32 {d22, d23}, [%0] \n\t" //q11 = m0+12 + + "vmul.f32 q12, q8, d0[0] \n\t" //q12 = q8 * d0[0] + "vmul.f32 q13, q8, d2[0] \n\t" //q13 = q8 * d2[0] + "vmul.f32 q14, q8, d4[0] \n\t" //q14 = q8 * d4[0] + "vmul.f32 q15, q8, d6[0] \n\t" //q15 = q8 * d6[0] + "vmla.f32 q12, q9, d0[1] \n\t" //q12 = q9 * d0[1] + "vmla.f32 q13, q9, d2[1] \n\t" //q13 = q9 * d2[1] + "vmla.f32 q14, q9, d4[1] \n\t" //q14 = q9 * d4[1] + "vmla.f32 q15, q9, d6[1] \n\t" //q15 = q9 * d6[1] + "vmla.f32 q12, q10, d1[0] \n\t" //q12 = q10 * d0[0] + "vmla.f32 q13, q10, d3[0] \n\t" //q13 = q10 * d2[0] + "vmla.f32 q14, q10, d5[0] \n\t" //q14 = q10 * d4[0] + "vmla.f32 q15, q10, d7[0] \n\t" //q15 = q10 * d6[0] + "vmla.f32 q12, q11, d1[1] \n\t" //q12 = q11 * d0[1] + "vmla.f32 q13, q11, d3[1] \n\t" //q13 = q11 * d2[1] + "vmla.f32 q14, q11, d5[1] \n\t" //q14 = q11 * d4[1] + "vmla.f32 q15, q11, d7[1] \n\t" //q15 = q11 * d6[1] + + "vst1.32 {d24, d25}, [%2]! \n\t" //d = q12 + "vst1.32 {d26, d27}, [%2]! \n\t" //d+4 = q13 + "vst1.32 {d28, d29}, [%2]! \n\t" //d+8 = q14 + "vst1.32 {d30, d31}, [%2] \n\t" //d+12 = q15 + + :"+r"(m0), "+r"(m1), "+r"(dest): + : "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", + "d16", "d17", "d18", "d19", "d20", "d21", "d22", "d23", + "d24", "d25", "d26", "d27", "d28", "d29", "d30", "d31", + "memory" + ); +} + +static void TransformVectorNormalize_neon(float vec[3], float mtx[4][4]) +{ + asm volatile ( + "vld1.32 {d0}, [%1] \n\t" //Q0 = v + "flds s2, [%1, #8] \n\t" //Q0 = v + "vld1.32 {d18, d19}, [%0]! \n\t" //Q1 = m + "vld1.32 {d20, d21}, [%0]! \n\t" //Q2 = m+4 + "vld1.32 {d22, d23}, [%0] \n\t" //Q3 = m+8 + + "vmul.f32 q2, q9, d0[0] \n\t" //q2 = q9*Q0[0] + "vmla.f32 q2, q10, d0[1] \n\t" //Q5 += Q1*Q0[1] + "vmla.f32 q2, q11, d1[0] \n\t" //Q5 += Q2*Q0[2] + + "vmul.f32 d0, d4, d4 \n\t" //d0 = d0*d0 + "vpadd.f32 d0, d0, d0 \n\t" //d0 = d[0] + d[1] + "vmla.f32 d0, d5, d5 \n\t" //d0 = d0 + d1*d1 + + "vmov.f32 d1, d0 \n\t" //d1 = d0 + "vrsqrte.f32 d0, d0 \n\t" //d0 = ~ 1.0 / sqrt(d0) + "vmul.f32 d2, d0, d1 \n\t" //d2 = d0 * d1 + "vrsqrts.f32 d3, d2, d0 \n\t" //d3 = (3 - d0 * d2) / 2 + "vmul.f32 d0, d0, d3 \n\t" //d0 = d0 * d3 + "vmul.f32 d2, d0, d1 \n\t" //d2 = d0 * d1 + "vrsqrts.f32 d3, d2, d0 \n\t" //d3 = (3 - d0 * d3) / 2 + "vmul.f32 d0, d0, d3 \n\t" //d0 = d0 * d4 + + "vmul.f32 q2, q2, d0[0] \n\t" //d0= d2*d4 + + "vst1.32 {d4}, [%1] \n\t" //Q4 = m+12 + "fsts s10, [%1, #8] \n\t" //Q4 = m+12 + : "+r"(mtx): "r"(vec) + : "d0","d1","d2","d3","d18","d19","d20","d21","d22", "d23", "memory" + ); +} + +static void Normalize_neon(float v[3]) +{ + asm volatile ( + "vld1.32 {d4}, [%0]! \n\t" //d4={x,y} + "flds s10, [%0] \n\t" //d5[0] = z + "sub %0, %0, #8 \n\t" //d5[0] = z + "vmul.f32 d0, d4, d4 \n\t" //d0= d4*d4 + "vpadd.f32 d0, d0, d0 \n\t" //d0 = d[0] + d[1] + "vmla.f32 d0, d5, d5 \n\t" //d0 = d0 + d5*d5 + + "vmov.f32 d1, d0 \n\t" //d1 = d0 + "vrsqrte.f32 d0, d0 \n\t" //d0 = ~ 1.0 / sqrt(d0) + "vmul.f32 d2, d0, d1 \n\t" //d2 = d0 * d1 + "vrsqrts.f32 d3, d2, d0 \n\t" //d3 = (3 - d0 * d2) / 2 + "vmul.f32 d0, d0, d3 \n\t" //d0 = d0 * d3 + "vmul.f32 d2, d0, d1 \n\t" //d2 = d0 * d1 + "vrsqrts.f32 d3, d2, d0 \n\t" //d3 = (3 - d0 * d3) / 2 + "vmul.f32 d0, d0, d3 \n\t" //d0 = d0 * d4 + + "vmul.f32 q2, q2, d0[0] \n\t" //d0= d2*d4 + "vst1.32 {d4}, [%0]! \n\t" //d2={x0,y0}, d3={z0, w0} + "fsts s10, [%0] \n\t" //d2={x0,y0}, d3={z0, w0} + + :"+r"(v) : + : "d0", "d1", "d2", "d3", "d4", "d5", "memory" + ); +} + +static float DotProduct_neon( float v0[3], float v1[3] ) +{ + float dot; + asm volatile ( + "vld1.32 {d8}, [%1]! \n\t" //d8={x0,y0} + "vld1.32 {d10}, [%2]! \n\t" //d10={x1,y1} + "flds s18, [%1, #0] \n\t" //d9[0]={z0} + "flds s22, [%2, #0] \n\t" //d11[0]={z1} + "vmul.f32 d12, d8, d10 \n\t" //d0= d2*d4 + "vpadd.f32 d12, d12, d12 \n\t" //d0 = d[0] + d[1] + "vmla.f32 d12, d9, d11 \n\t" //d0 = d0 + d3*d5 + "fmrs %0, s24 \n\t" //r0 = s0 + : "=r"(dot), "+r"(v0), "+r"(v1): + : "d8", "d9", "d10", "d11", "d12" + + ); + return dot; +} + +void MathInitNeon() +{ + MulMatrices = MultMatrix_neon; + //TransformVectorNormalize = TransformVectorNormalize_neon; + NormalizeVector = Normalize_neon; + DotProduct = DotProduct_neon; +}