如何使用带有金属的 SCNTechnique 模板

如何解决如何使用带有金属的 SCNTechnique 模板

我一直在尝试将 stencils 与 SCNTechnique 一起使用。

即使我将其简化为最简单的设置，如下所示：

    "sequence": ["stencilFillPass"]
    "passes": {
        "stencilFillPass": {
             "outputs": {
                "color": "COLOR","depth": "DEPTH"
             },"stencilstates": {
                "enable": true,"behavior": {
                    "writeMask": true,"depthFail": "zero","pass": "replace","readMask": 0,"referenceValue": 255
                    "fail": "zero"
                    "function": "always"
                },"clear": true
            },"draw": "DRAW_SCENE","includeCategoryMask": 1

我总是收到这个错误：

validateAttachmentOnDevice:457: Failed assertion `PixelFormat MTLPixelFormatStencil8 is not depth renderable'

我在网上找不到任何人能够将 stencils 与 SceneKit+Metal 结合使用：

• This user describes how they use stencils,but leaves the footnote that they can only get it to work in OpenGL
• This article mentions they couldn't get stencils to work
• This post on Apple developer forum has similar issues to me.

似乎它在 OpenGL 时代确实有效。

因此，向任何能够让 stencils 与 SceneKit 和 Metal 一起工作的人发出呼吁。