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Add SetDataWithUsage

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bloeys
2022-07-11 11:58:31 +04:00
parent c4853792a5
commit e5ea6f986f
1 changed files with 16 additions and 0 deletions
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16
buffers/buffers.go
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@ -41,6 +41,22 @@ func (b *Buffer) SetData(values []float32) {
gl.BindBuffer(gl.ARRAY_BUFFER, 0)
}
func (b *Buffer) SetDataWithUsage(values []float32, usage BufUsage) {
gl.BindVertexArray(b.VAOID)
gl.BindBuffer(gl.ARRAY_BUFFER, b.BufID)
sizeInBytes := len(values) * 4
if sizeInBytes == 0 {
gl.BufferData(gl.ARRAY_BUFFER, 0, gl.Ptr(nil), usage.ToGL())
} else {
gl.BufferData(gl.ARRAY_BUFFER, sizeInBytes, gl.Ptr(&values[0]), usage.ToGL())
}
gl.BindVertexArray(0)
gl.BindBuffer(gl.ARRAY_BUFFER, 0)
}
func (b *Buffer) SetIndexBufData(values []uint32) {
b.IndexBufCount = int32(len(values))