mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-27 04:08:53 +01:00
43 lines
1.1 KiB
Go
43 lines
1.1 KiB
Go
// Copyright 2018 The Ebiten Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package opengl
|
|
|
|
import (
|
|
"reflect"
|
|
"unsafe"
|
|
)
|
|
|
|
func float32sToBytes(v []float32) []byte {
|
|
f32h := (*reflect.SliceHeader)(unsafe.Pointer(&v))
|
|
|
|
var b []byte
|
|
bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
|
|
bh.Data = f32h.Data
|
|
bh.Len = len(v) * 4
|
|
bh.Cap = len(v) * 4
|
|
return b
|
|
}
|
|
|
|
func uint16sToBytes(v []uint16) []byte {
|
|
u16h := (*reflect.SliceHeader)(unsafe.Pointer(&v))
|
|
|
|
var b []byte
|
|
bh := (*reflect.SliceHeader)(unsafe.Pointer(&b))
|
|
bh.Data = u16h.Data
|
|
bh.Len = len(v) * 2
|
|
bh.Cap = len(v) * 2
|
|
return b
|
|
}
|