Variable AttachmentDescription.layoutTrans

The ImageLayout transition of the attachment. layoutTrans.from is the initial layout of the attachment when it enters the render pass. it is up to the programmer to ensure that the attachment will be in this state. layoutTrans.to is the layout of the attachment when it exits the render pass.

struct AttachmentDescription
{
  // ...
  Trans!(gfx.graal.image.ImageLayout) layoutTrans ;
  // ...
}