// SPDX-License-Identifier: Unlicense OR MIT

// Byte slice views of typed slices via unsafe.Slice.
// Ported from gioui.org/internal/byteslice without reflect.

package gio

import "unsafe"

// Float32sToBytes returns a byte slice view of a float32 slice.
func Float32sToBytes(s []float32) []byte {
	n := len(s)
	if n == 0 {
		return nil
	}
	blen := n * int(unsafe.Sizeof(s[0]))
	return unsafe.Slice((*byte)(unsafe.Pointer(&s[0])), blen)
}

// Uint16sToBytes returns a byte slice view of a uint16 slice.
func Uint16sToBytes(s []uint16) []byte {
	n := len(s)
	if n == 0 {
		return nil
	}
	blen := n * int(unsafe.Sizeof(s[0]))
	return unsafe.Slice((*byte)(unsafe.Pointer(&s[0])), blen)
}

// Uint32sToBytes returns a byte slice view of a uint32 slice.
func Uint32sToBytes(s []uint32) []byte {
	n := len(s)
	if n == 0 {
		return nil
	}
	blen := n * int(unsafe.Sizeof(s[0]))
	return unsafe.Slice((*byte)(unsafe.Pointer(&s[0])), blen)
}