Version: 2022.3
LanguageEnglish
  • C#

Mesh.GetVertexBufferStride

Suggest a change

Success!

Thank you for helping us improve the quality of Unity Documentation. Although we cannot accept all submissions, we do read each suggested change from our users and will make updates where applicable.

Close

Submission failed

For some reason your suggested change could not be submitted. Please <a>try again</a> in a few minutes. And thank you for taking the time to help us improve the quality of Unity Documentation.

Close

Cancel

Switch to Manual

Declaration

public int GetVertexBufferStride(int stream);

Parameters

stream Vertex data stream index to check for.

Returns

int Vertex data size in bytes in this stream, or zero if the stream is not present.

Description

Get vertex buffer stream stride in bytes.

Meshes usually use a single vertex buffer stream. But it is possible to setup a vertex layout where some attributes use different vertex buffers (see SetVertexBufferParams, VertexAttributeDescriptor). You can use this function to query vertex data size in bytes within the given stream.

using UnityEngine;
using UnityEngine.Rendering;

public class ExampleScript : MonoBehaviour { void Start() { // Create a Mesh with custom vertex data layout: // position and normal go into stream 0, // color goes into stream 1. var mesh = new Mesh(); mesh.SetVertexBufferParams(10, new VertexAttributeDescriptor(VertexAttribute.Position, VertexAttributeFormat.Float32, 3, stream:0), new VertexAttributeDescriptor(VertexAttribute.Normal, VertexAttributeFormat.Float32, 3, stream:0), new VertexAttributeDescriptor(VertexAttribute.Color, VertexAttributeFormat.UNorm8, 4, stream:1));

// Prints 2 (two vertex streams) Debug.Log($"Vertex stream count: {mesh.vertexBufferCount}"); // Next two lines print: 24 (12 bytes position + 12 bytes normal), 4 (4 bytes color) Debug.Log($"Steam 0 stride {mesh.GetVertexBufferStride(0)}"); Debug.Log($"Steam 1 stride {mesh.GetVertexBufferStride(1)}");

// Cleanup Object.DestroyImmediate(mesh); } }
Copyright © 2023 Unity Technologies
优美缔软件(上海)有限公司 版权所有
"Unity"、Unity 徽标及其他 Unity 商标是 Unity Technologies 或其附属机构在美国及其他地区的商标或注册商标。其他名称或品牌是其各自所有者的商标。
公安部备案号:
31010902002961