IntPtr 指向底层图形 API 深度缓冲区资源的指针。
获取指向该深度缓冲区资源的原生(底层图形 API)指针。
使用该函数可检索与 RenderTexture 的深度缓冲区部分对应的指针/句柄,
因为它是在原生图形 API 级别表示的。
这可以用于通过原生代码插件启用深度缓冲区操作。
使用 Texture.GetNativeTexturePtr 可获取渲染纹理的颜色缓冲区的原生指针,
使用该函数可获取深度缓冲区部分的指针。
对于 Depth 和 ShadowMap 渲染纹理格式,这两个函数返回相同的资源。
如果在项目的品质设置中启用了抗锯齿,则这两个函数也将返回相同的资源。
注意,在使用多线程渲染时调用此函数将与正在渲染的线程(慢速操作)同步,
因此最佳做法是仅在初始化时设置所需的
纹理指针。
另请参阅:Texture.GetNativeTexturePtr、原生代码插件。
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