Function select

Source/astcenc_vecmathlib_none_4.h:709–715

* @brief Return lanes from @c b if MSB of @c cond is set, else @c a. */

 * @brief Return lanes from @c b if MSB of @c cond is set, else @c a.
 */
ASTCENC_SIMD_INLINE vint4 select(vint4 a, vint4 b, vmask4 cond)
{
	return vint4((cond.m[0] & static_cast<int>(0x80000000)) ? b.m[0] : a.m[0],
	             (cond.m[1] & static_cast<int>(0x80000000)) ? b.m[1] : a.m[1],
	             (cond.m[2] & static_cast<int>(0x80000000)) ? b.m[2] : a.m[2],
	             (cond.m[3] & static_cast<int>(0x80000000)) ? b.m[3] : a.m[3]);
}

// ============================================================================
// vfloat4 operators and functions