如何更改Metal中的pixelFormat? [英] How do I change the pixelFormat in Metal?

问题描述

如果我尝试使用bgra8Unorm以外的任何其他选项，它将崩溃，并显示

If I try anyting other than bgra8Unorm, it will crash, saying,

-[MTLDebugRenderCommandEncoder validateFramebufferWithRenderPipelineState:]:1192:断言失败对于颜色附件0，渲染管道的pixelFormat(MTLPixelFormatBGRA8Unorm_sRGB)与帧缓冲区的pixelFormat(MTLPixelFormatBGRA8Unorm)不匹配.

-[MTLDebugRenderCommandEncoder validateFramebufferWithRenderPipelineState:]:1192: failed assertion `For color attachment 0, the render pipeline's pixelFormat (MTLPixelFormatBGRA8Unorm_sRGB) does not match the framebuffer's pixelFormat (MTLPixelFormatBGRA8Unorm).'

然后如何更改帧缓冲区的pixelFormat?我希望能够做到这一点:

How do I change the framebuffer's pixelFormat then? I want to be able to do this:

PipelineDescriptor.colorAttachments[0].pixelFormat = .bgra8Unorm_srgb

代替这个

PipelineDescriptor.colorAttachments[0].pixelFormat = .bgra8Unorm

同样，这是尝试修复这愚蠢的错误.

Again, this is an attempt to fix this stupid bug.

推荐答案

您需要在此处定义的MetalView:

You need the MetalView defined here:

var MetalView: MTKView {
    return view as! MTKView
}

然后在viewDidLoad:

MetalView.colorPixelFormat = .bgra8Unorm_srgb

然后我可以这样做:

PipelineDescriptor.colorAttachments[0].pixelFormat = .bgra8Unorm_srgb

我自己弄清楚了！

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