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Restored generic (non-SIMD) code

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This commit is contained in:
Brian Harris
2013-05-29 13:12:13 -05:00
parent be311f42e1
commit 9c37079c16
23 changed files with 3328 additions and 24 deletions
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36
neo/renderer/GLMatrix.cpp
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@@ -72,6 +72,7 @@ R_MatrixMultiply
==========================
*/
void R_MatrixMultiply( const float a[16], const float b[16], float out[16] ) {
#ifdef ID_WIN_X86_SSE2_INTRIN
__m128 a0 = _mm_loadu_ps( a + 0*4 );
__m128 a1 = _mm_loadu_ps( a + 1*4 );
@@ -108,6 +109,41 @@ void R_MatrixMultiply( const float a[16], const float b[16], float out[16] ) {
_mm_storeu_ps( out + 2*4, t2 );
_mm_storeu_ps( out + 3*4, t3 );
#else
/*
for ( int i = 0; i < 4; i++ ) {
for ( int j = 0; j < 4; j++ ) {
out[ i * 4 + j ] =
a[ i * 4 + 0 ] * b[ 0 * 4 + j ] +
a[ i * 4 + 1 ] * b[ 1 * 4 + j ] +
a[ i * 4 + 2 ] * b[ 2 * 4 + j ] +
a[ i * 4 + 3 ] * b[ 3 * 4 + j ];
}
}
*/
out[0*4+0] = a[0*4+0]*b[0*4+0] + a[0*4+1]*b[1*4+0] + a[0*4+2]*b[2*4+0] + a[0*4+3]*b[3*4+0];
out[0*4+1] = a[0*4+0]*b[0*4+1] + a[0*4+1]*b[1*4+1] + a[0*4+2]*b[2*4+1] + a[0*4+3]*b[3*4+1];
out[0*4+2] = a[0*4+0]*b[0*4+2] + a[0*4+1]*b[1*4+2] + a[0*4+2]*b[2*4+2] + a[0*4+3]*b[3*4+2];
out[0*4+3] = a[0*4+0]*b[0*4+3] + a[0*4+1]*b[1*4+3] + a[0*4+2]*b[2*4+3] + a[0*4+3]*b[3*4+3];
out[1*4+0] = a[1*4+0]*b[0*4+0] + a[1*4+1]*b[1*4+0] + a[1*4+2]*b[2*4+0] + a[1*4+3]*b[3*4+0];
out[1*4+1] = a[1*4+0]*b[0*4+1] + a[1*4+1]*b[1*4+1] + a[1*4+2]*b[2*4+1] + a[1*4+3]*b[3*4+1];
out[1*4+2] = a[1*4+0]*b[0*4+2] + a[1*4+1]*b[1*4+2] + a[1*4+2]*b[2*4+2] + a[1*4+3]*b[3*4+2];
out[1*4+3] = a[1*4+0]*b[0*4+3] + a[1*4+1]*b[1*4+3] + a[1*4+2]*b[2*4+3] + a[1*4+3]*b[3*4+3];
out[2*4+0] = a[2*4+0]*b[0*4+0] + a[2*4+1]*b[1*4+0] + a[2*4+2]*b[2*4+0] + a[2*4+3]*b[3*4+0];
out[2*4+1] = a[2*4+0]*b[0*4+1] + a[2*4+1]*b[1*4+1] + a[2*4+2]*b[2*4+1] + a[2*4+3]*b[3*4+1];
out[2*4+2] = a[2*4+0]*b[0*4+2] + a[2*4+1]*b[1*4+2] + a[2*4+2]*b[2*4+2] + a[2*4+3]*b[3*4+2];
out[2*4+3] = a[2*4+0]*b[0*4+3] + a[2*4+1]*b[1*4+3] + a[2*4+2]*b[2*4+3] + a[2*4+3]*b[3*4+3];
out[3*4+0] = a[3*4+0]*b[0*4+0] + a[3*4+1]*b[1*4+0] + a[3*4+2]*b[2*4+0] + a[3*4+3]*b[3*4+0];
out[3*4+1] = a[3*4+0]*b[0*4+1] + a[3*4+1]*b[1*4+1] + a[3*4+2]*b[2*4+1] + a[3*4+3]*b[3*4+1];
out[3*4+2] = a[3*4+0]*b[0*4+2] + a[3*4+1]*b[1*4+2] + a[3*4+2]*b[2*4+2] + a[3*4+3]*b[3*4+2];
out[3*4+3] = a[3*4+0]*b[0*4+3] + a[3*4+1]*b[1*4+3] + a[3*4+2]*b[2*4+3] + a[3*4+3]*b[3*4+3];
#endif
}
/*