#import <MPSNNGraphNodes.h>
Inherits MPSNNFilterNode.
Inherited by MPSCNNPoolingAverageNode,
MPSCNNPoolingL2NormNode, and MPSCNNPoolingMaxNode.
(nonnull instancetype) -
initWithSource:kernelWidth:kernelHeight:strideInPixelsX:strideInPixelsY:
(nonnull instancetype) - initWithSource:filterSize:stride:
(nonnull instancetype) - initWithSource:filterSize:
(nonnull instancetype) + nodeWithSource:filterSize:
(nonnull instancetype) + nodeWithSource:filterSize:stride:
NSUInteger kernelWidth
NSUInteger NSUInteger kernelHeight
NSUInteger NSUInteger NSUInteger strideInPixelsX
NSUInteger NSUInteger NSUInteger NSUInteger strideInPixelsY
A node for a MPSCNNPooling kernel This is an
abstract base class that does not correspond with any particular
MPSCNNKernel. Please make one of the MPSCNNPooling subclasses
instead.
- (nonnull instancetype) initWithSource: (MPSNNImageNode
*__nonnull) sourceNode(NSUInteger) size
Convenience initializer for MPSCNNPooling nodes with square
non-overlapping kernels
Parameters:
sourceNode The MPSNNImageNode representing
the source MPSImage for the filter
size kernelWidth = kernelHeight = strideInPixelsX = strideInPixelsY =
size
Returns:
A new MPSNNFilter node for a MPSCNNPooling
kernel.
- (nonnull instancetype) initWithSource: (MPSNNImageNode
*__nonnull) sourceNode(NSUInteger) size(NSUInteger) stride
Convenience initializer for MPSCNNPooling nodes with square
kernels
Parameters:
sourceNode The MPSNNImageNode representing
the source MPSImage for the filter
size kernelWidth = kernelHeight = size
stride strideInPixelsX = strideInPixelsY = stride
Returns:
A new MPSNNFilter node for a MPSCNNPooling
kernel.
- (nonnull instancetype) initWithSource: (MPSNNImageNode
*__nonnull) sourceNode(NSUInteger) kernelWidth(NSUInteger)
kernelHeight(NSUInteger) strideInPixelsX(NSUInteger) strideInPixelsY
Init a node representing a MPSCNNPooling kernel
Parameters:
sourceNode The MPSNNImageNode representing
the source MPSImage for the filter
kernelWidth The width of the max filter window
kernelHeight The height of the max filter window
strideInPixelsX The output stride (downsampling factor) in the x
dimension.
strideInPixelsY The output stride (downsampling factor) in the y
dimension.
Returns:
A new MPSNNFilter node for a MPSCNNPooling
kernel.
+ (nonnull instancetype) nodeWithSource: (MPSNNImageNode
*__nonnull) sourceNode(NSUInteger) size
Convenience initializer for MPSCNNPooling nodes with square
non-overlapping kernels
Parameters:
sourceNode The MPSNNImageNode representing
the source MPSImage for the filter
size kernelWidth = kernelHeight = strideInPixelsX = strideInPixelsY =
size
Returns:
A new MPSNNFilter node for a MPSCNNPooling
kernel.
+ (nonnull instancetype) nodeWithSource: (MPSNNImageNode
*__nonnull) sourceNode(NSUInteger) size(NSUInteger) stride
Convenience initializer for MPSCNNPooling nodes with square
non-overlapping kernels and a different stride
Parameters:
sourceNode The MPSNNImageNode representing
the source MPSImage for the filter
size kernelWidth = kernelHeight = size
stride strideInPixelsX = strideInPixelsY = stride
Returns:
A new MPSNNFilter node for a MPSCNNPooling
kernel.
- (NSUInteger NSUInteger) kernelHeight [read],
[nonatomic], [assign]
- (NSUInteger) kernelWidth [read], [nonatomic],
[assign]
- (NSUInteger NSUInteger NSUInteger) strideInPixelsX [read],
[nonatomic], [assign]
- (NSUInteger NSUInteger NSUInteger NSUInteger) strideInPixelsY
[read], [nonatomic], [assign]
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MetalPerformanceShaders.framework from the source code.