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Unity如何获取Texture内存大小方法详解

作者:AlianBlank

这篇文章主要为大家介绍了Unity如何获取Texture内存大小方法详解,有需要的朋友可以借鉴参考下,希望能够有所帮助,祝大家多多进步,早日升职加薪

Unity 如何获取Texture 的内存大小

在Unity中,要获取Texture的内存文件大小,可以使用UnityEditor.TextureUtil类中的一些函数。这些函数提供了获取存储内存大小和运行时内存大小的方法。由于UnityEditor.TextureUtil是一个内部类,我们需要使用反射来访问它。

步骤

using UnityEditor;
using System.Reflection;
public static long GetTextureFileSize(Texture2D texture)
{
    long fileSize = 0;
    // 使用反射获取UnityEditor.TextureUtil类的Type
    Type textureUtilType = typeof(TextureImporter).Assembly.GetType("UnityEditor.TextureUtil");
    // 使用反射获取UnityEditor.TextureUtil类的GetStorageMemorySizeLong方法
    MethodInfo getStorageMemorySizeLongMethod = textureUtilType.GetMethod("GetStorageMemorySizeLong", BindingFlags.Static | BindingFlags.Public);
    // 调用GetStorageMemorySizeLong方法获取存储内存大小
    fileSize = (long)getStorageMemorySizeLongMethod.Invoke(null, new object[] { texture });
    return fileSize;
}
public static long GetTextureRuntimeMemorySize(Texture2D texture)
{
    long memorySize = 0;
    // 使用反射获取UnityEditor.TextureUtil类的Type
    Type textureUtilType = typeof(TextureImporter).Assembly.GetType("UnityEditor.TextureUtil");
    // 使用反射获取UnityEditor.TextureUtil类的GetRuntimeMemorySizeLong方法
    MethodInfo getRuntimeMemorySizeLongMethod = textureUtilType.GetMethod("GetRuntimeMemorySizeLong", BindingFlags.Static | BindingFlags.Public);
    // 调用GetRuntimeMemorySizeLong方法获取运行时内存大小
    memorySize = (long)getRuntimeMemorySizeLongMethod.Invoke(null, new object[] { texture });
    return memorySize;
}

示例代码

示例 1:获取Texture的存储内存大小

using UnityEngine;
using UnityEditor;
using System.Reflection;
public class TextureSizeExample : MonoBehaviour
{
    [SerializeField]
    private Texture2D texture;
    private void Start()
    {
        long fileSize = GetTextureFileSize(texture);
        Debug.Log("Texture File Size: " + fileSize + " bytes");
    }
    private static long GetTextureFileSize(Texture2D texture)
    {
        long fileSize = 0;
        Type textureUtilType = typeof(TextureImporter).Assembly.GetType("UnityEditor.TextureUtil");
        MethodInfo getStorageMemorySizeLongMethod = textureUtilType.GetMethod("GetStorageMemorySizeLong", BindingFlags.Static | BindingFlags.Public);
        fileSize = (long)getStorageMemorySizeLongMethod.Invoke(null, new object[] { texture });
        return fileSize;
    }
}

示例 2:获取Texture的运行时内存大小

using UnityEngine;
using UnityEditor;
using System.Reflection;
public class TextureSizeExample : MonoBehaviour
{
    [SerializeField]
    private Texture2D texture;
    private void Start()
    {
        long memorySize = GetTextureRuntimeMemorySize(texture);
        Debug.Log("Texture Runtime Memory Size: " + memorySize + " bytes");
    }
    private static long GetTextureRuntimeMemorySize(Texture2D texture)
    {
        long memorySize = 0;
        Type textureUtilType = typeof(TextureImporter).Assembly.GetType("UnityEditor.TextureUtil");
        MethodInfo getRuntimeMemorySizeLongMethod = textureUtilType.GetMethod("GetRuntimeMemorySizeLong", BindingFlags.Static | BindingFlags.Public);
        memorySize = (long)getRuntimeMemorySizeLongMethod.Invoke(null, new object[] { texture });
        return memorySize;
    }
}

示例 3:同时获取Texture的存储内存大小和运行时内存大小

using UnityEngine;
using UnityEditor;
using System.Reflection;
public class TextureSizeExample : MonoBehaviour
{
    [SerializeField]
    private Texture2D texture;
    private void Start()
    {
        long fileSize = GetTextureFileSize(texture);
        long memorySize = GetTextureRuntimeMemorySize(texture);
        Debug.Log("Texture File Size: " + fileSize + " bytes");
        Debug.Log("Texture Runtime Memory Size: " + memorySize + " bytes");
    }
    private static long GetTextureFileSize(Texture2D texture)
    {
        long fileSize = 0;
        Type textureUtilType = typeof(TextureImporter).Assembly.GetType("UnityEditor.TextureUtil");
        MethodInfo getStorageMemorySizeLongMethod = textureUtilType.GetMethod("GetStorageMemorySizeLong", BindingFlags.Static | BindingFlags.Public);
        fileSize = (long)getStorageMemorySizeLongMethod.Invoke(null, new object[] { texture });
        return fileSize;
    }
    private static long GetTextureRuntimeMemorySize(Texture2D texture)
    {
        long memorySize = 0;
        Type textureUtilType = typeof(TextureImporter).Assembly.GetType("UnityEditor.TextureUtil");
        MethodInfo getRuntimeMemorySizeLongMethod = textureUtilType.GetMethod("GetRuntimeMemorySizeLong", BindingFlags.Static | BindingFlags.Public);
        memorySize = (long)getRuntimeMemorySizeLongMethod.Invoke(null, new object[] { texture });
        return memorySize;
    }
}

注意事项

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