/*
====================
idMD5Mesh::CalculateBounds
====================
*/
void idMD5Mesh::CalculateBounds( const idJointMat * entJoints, idBounds & bounds ) const {
__m128 minX = vector_float_posInfinity;
__m128 minY = vector_float_posInfinity;
__m128 minZ = vector_float_posInfinity;
__m128 maxX = vector_float_negInfinity;
__m128 maxY = vector_float_negInfinity;
__m128 maxZ = vector_float_negInfinity;
for ( int i = 0; i < numMeshJoints; i++ ) {
const idJointMat & joint = entJoints[meshJoints[i]];
__m128 x = _mm_load_ps( joint.ToFloatPtr() + 0 * 4 );
__m128 y = _mm_load_ps( joint.ToFloatPtr() + 1 * 4 );
__m128 z = _mm_load_ps( joint.ToFloatPtr() + 2 * 4 );
minX = _mm_min_ps( minX, x );
minY = _mm_min_ps( minY, y );
minZ = _mm_min_ps( minZ, z );
maxX = _mm_max_ps( maxX, x );
maxY = _mm_max_ps( maxY, y );
maxZ = _mm_max_ps( maxZ, z );
}
__m128 expand = _mm_splat_ps( _mm_load_ss( & maxJointVertDist ), 0 );
minX = _mm_sub_ps( minX, expand );
minY = _mm_sub_ps( minY, expand );
minZ = _mm_sub_ps( minZ, expand );
maxX = _mm_add_ps( maxX, expand );
maxY = _mm_add_ps( maxY, expand );
maxZ = _mm_add_ps( maxZ, expand );
_mm_store_ss( bounds.ToFloatPtr() + 0, _mm_splat_ps( minX, 3 ) );
_mm_store_ss( bounds.ToFloatPtr() + 1, _mm_splat_ps( minY, 3 ) );
_mm_store_ss( bounds.ToFloatPtr() + 2, _mm_splat_ps( minZ, 3 ) );
_mm_store_ss( bounds.ToFloatPtr() + 3, _mm_splat_ps( maxX, 3 ) );
_mm_store_ss( bounds.ToFloatPtr() + 4, _mm_splat_ps( maxY, 3 ) );
_mm_store_ss( bounds.ToFloatPtr() + 5, _mm_splat_ps( maxZ, 3 ) );
}
