MTLIOCommandBuffer

Declaration

protocol MTLIOCommandBuffer : NSObjectProtocol

Overview

Add commands an input/output command buffer to load assets from the file system directly into Metal resources. Your app can then use those resources with other commands it submits to MTLCommandQueue.

Topics

Loading assets

• load(_:offset:size:sourceHandle:sourceHandleOffset:)
• load(_:slice:level:size:sourceBytesPerRow:sourceBytesPerImage:destinationOrigin:sourceHandle:sourceHandleOffset:)
• loadBytes(_:size:sourceHandle:sourceHandleOffset:)

Adding a barrier

• addBarrier()

Synchronizing a command buffer

• signalEvent(_:value:)
• waitForEvent(_:value:)

Adding final commands

• copyStatus(buffer:offset:)
• addCompletedHandler(_:)

Submitting a command buffer

• commit()
• enqueue()

Canceling a command buffer

• tryCancel()

Waiting for a command buffer

• waitUntilCompleted()

Checking the state of a command buffer

• status
• error

Debugging a command buffer

• label
• pushDebugGroup(_:)
• popDebugGroup()

Relationships

Inherits From

• NSObjectProtocol

See Also

I/O command buffers

• MTLIOFileHandle
• MTLIOCommandBufferHandler
• MTLIOStatus
• MTLIOError.Code
• MTLIOErrorDomain