({ label, usage, data, size })
| 100 | } |
| 101 | |
| 102 | createBuffer({ label, usage, data, size }) { |
| 103 | const buffer = this.device.createBuffer({ |
| 104 | label, |
| 105 | usage, |
| 106 | size: ((data ? data.byteLength : size) + 3) & ~3, |
| 107 | mappedAtCreation: data ? true : false, |
| 108 | }); |
| 109 | |
| 110 | if (data) { |
| 111 | new data.constructor(buffer.getMappedRange()).set(data); |
| 112 | buffer.unmap(); |
| 113 | } |
| 114 | |
| 115 | return buffer; |
| 116 | } |
| 117 | } |