java.lang.Object
- org.lwjgl.system.Pointer.Default
- - org.lwjgl.system.Struct
  - - org.lwjgl.vulkan.VkPhysicalDeviceGroupProperties

All Implemented Interfaces:

java.lang.AutoCloseable, org.lwjgl.system.NativeResource, org.lwjgl.system.Pointer

Direct Known Subclasses:

VkPhysicalDeviceGroupPropertiesKHR
```
public class VkPhysicalDeviceGroupProperties
extends org.lwjgl.system.Struct
implements org.lwjgl.system.NativeResource
```
Structure specifying physical device group properties.
Valid Usage (Implicit)
- sType must be STRUCTURE_TYPE_PHYSICAL_DEVICE_GROUP_PROPERTIES
- pNext must be NULL
See Also

EnumeratePhysicalDeviceGroups, EnumeratePhysicalDeviceGroupsKHR

Layout
```
 struct VkPhysicalDeviceGroupProperties {
     VkStructureType sType();
     void * pNext();
     uint32_t physicalDeviceCount();
     VkPhysicalDevice physicalDevices()[VK_MAX_DEVICE_GROUP_SIZE];
     VkBool32 subsetAllocation();
 }
```

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class VkPhysicalDeviceGroupProperties.Buffer
An array of VkPhysicalDeviceGroupProperties structs.
- Nested classes/interfaces inherited from interface org.lwjgl.system.Pointer
  org.lwjgl.system.Pointer.Default
- Nested classes/interfaces inherited from class org.lwjgl.system.Struct
  org.lwjgl.system.Struct.StructValidation

Field Summary

Fields
Modifier and Type	Field	Description
`static int`	`ALIGNOF`	The struct alignment in bytes.
`static int`	`PHYSICALDEVICECOUNT PHYSICALDEVICES PNEXT`	The struct member offsets.
`static int`	`SIZEOF`	The struct size in bytes.
`static int`	`STYPE SUBSETALLOCATION`	The struct member offsets.

Fields inherited from interface org.lwjgl.system.Pointer
BITS32, BITS64, CLONG_SHIFT, CLONG_SIZE, POINTER_SHIFT, POINTER_SIZE

Constructor Summary

Constructors
Constructor	Description
`VkPhysicalDeviceGroupProperties(java.nio.ByteBuffer container)`	Creates a `VkPhysicalDeviceGroupProperties` instance at the current position of the specified `ByteBuffer` container.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method	Description
`static VkPhysicalDeviceGroupProperties`	`calloc()`	Returns a new `VkPhysicalDeviceGroupProperties` instance allocated with `memCalloc`.
`static VkPhysicalDeviceGroupProperties.Buffer`	`calloc(int capacity)`	Returns a new `VkPhysicalDeviceGroupProperties.Buffer` instance allocated with `memCalloc`.
`static VkPhysicalDeviceGroupProperties.Buffer`	`calloc(int capacity, org.lwjgl.system.MemoryStack stack)`	Returns a new `VkPhysicalDeviceGroupProperties.Buffer` instance allocated on the specified `MemoryStack` and initializes all its bits to zero.
`static VkPhysicalDeviceGroupProperties`	`calloc(org.lwjgl.system.MemoryStack stack)`	Returns a new `VkPhysicalDeviceGroupProperties` instance allocated on the specified `MemoryStack` and initializes all its bits to zero.
`static VkPhysicalDeviceGroupProperties`	`callocStack()`	Deprecated.
`static VkPhysicalDeviceGroupProperties.Buffer`	`callocStack(int capacity)`	Deprecated.
`static VkPhysicalDeviceGroupProperties.Buffer`	`callocStack(int capacity, org.lwjgl.system.MemoryStack stack)`	Deprecated.
`static VkPhysicalDeviceGroupProperties`	`callocStack(org.lwjgl.system.MemoryStack stack)`	Deprecated.
`static VkPhysicalDeviceGroupProperties`	`create()`	Returns a new `VkPhysicalDeviceGroupProperties` instance allocated with `BufferUtils`.
`static VkPhysicalDeviceGroupProperties.Buffer`	`create(int capacity)`	Returns a new `VkPhysicalDeviceGroupProperties.Buffer` instance allocated with `BufferUtils`.
`static VkPhysicalDeviceGroupProperties`	`create(long address)`	Returns a new `VkPhysicalDeviceGroupProperties` instance for the specified memory address.
`static VkPhysicalDeviceGroupProperties.Buffer`	`create(long address, int capacity)`	Create a `VkPhysicalDeviceGroupProperties.Buffer` instance at the specified memory.
`static VkPhysicalDeviceGroupProperties`	`createSafe(long address)`	Like `create`, but returns `null` if `address` is `NULL`.
`static VkPhysicalDeviceGroupProperties.Buffer`	`createSafe(long address, int capacity)`	Like `create`, but returns `null` if `address` is `NULL`.
`static VkPhysicalDeviceGroupProperties`	`malloc()`	Returns a new `VkPhysicalDeviceGroupProperties` instance allocated with `memAlloc`.
`static VkPhysicalDeviceGroupProperties.Buffer`	`malloc(int capacity)`	Returns a new `VkPhysicalDeviceGroupProperties.Buffer` instance allocated with `memAlloc`.
`static VkPhysicalDeviceGroupProperties.Buffer`	`malloc(int capacity, org.lwjgl.system.MemoryStack stack)`	Returns a new `VkPhysicalDeviceGroupProperties.Buffer` instance allocated on the specified `MemoryStack`.
`static VkPhysicalDeviceGroupProperties`	`malloc(org.lwjgl.system.MemoryStack stack)`	Returns a new `VkPhysicalDeviceGroupProperties` instance allocated on the specified `MemoryStack`.
`static VkPhysicalDeviceGroupProperties`	`mallocStack()`	Deprecated.
`static VkPhysicalDeviceGroupProperties.Buffer`	`mallocStack(int capacity)`	Deprecated.
`static VkPhysicalDeviceGroupProperties.Buffer`	`mallocStack(int capacity, org.lwjgl.system.MemoryStack stack)`	Deprecated.
`static VkPhysicalDeviceGroupProperties`	`mallocStack(org.lwjgl.system.MemoryStack stack)`	Deprecated.
`static int`	`nphysicalDeviceCount(long struct)`	Unsafe version of `physicalDeviceCount()`.
`static org.lwjgl.PointerBuffer`	`nphysicalDevices(long struct)`	Unsafe version of `physicalDevices()`.
`static long`	`nphysicalDevices(long struct, int index)`	Unsafe version of `physicalDevices`.
`static long`	`npNext(long struct)`	Unsafe version of `pNext()`.
`static void`	`npNext(long struct, long value)`	Unsafe version of `pNext`.
`static int`	`nsType(long struct)`	Unsafe version of `sType()`.
`static void`	`nsType(long struct, int value)`	Unsafe version of `sType`.
`static int`	`nsubsetAllocation(long struct)`	Unsafe version of `subsetAllocation()`.
`int`	`physicalDeviceCount()`	the number of physical devices in the group.
`org.lwjgl.PointerBuffer`	`physicalDevices()`	an array of `MAX_DEVICE_GROUP_SIZE` `VkPhysicalDevice` handles representing all physical devices in the group.
`long`	`physicalDevices(int index)`	an array of `MAX_DEVICE_GROUP_SIZE` `VkPhysicalDevice` handles representing all physical devices in the group.
`long`	`pNext()`	`NULL` or a pointer to a structure extending this structure.
`VkPhysicalDeviceGroupProperties`	`pNext(long value)`	Sets the specified value to the `pNext()` field.
`VkPhysicalDeviceGroupProperties`	`set(int sType, long pNext)`	Initializes this struct with the specified values.
`VkPhysicalDeviceGroupProperties`	`set(VkPhysicalDeviceGroupProperties src)`	Copies the specified struct data to this struct.
`int`	`sizeof()`
`int`	`sType()`	the type of this structure.
`VkPhysicalDeviceGroupProperties`	`sType(int value)`	Sets the specified value to the `sType()` field.
`VkPhysicalDeviceGroupProperties`	`sType$Default()`	Sets the `STRUCTURE_TYPE_PHYSICAL_DEVICE_GROUP_PROPERTIES` value to the `sType()` field.
`boolean`	`subsetAllocation()`	specifies whether logical devices created from the group support allocating device memory on a subset of devices, via the `deviceMask` member of the `VkMemoryAllocateFlagsInfo`.

Methods inherited from interface org.lwjgl.system.NativeResource
close, free

Methods inherited from class java.lang.Object
getClass, notify, notifyAll, wait, wait, wait

Methods inherited from class org.lwjgl.system.Pointer.Default
address, equals, hashCode, toString

Methods inherited from class org.lwjgl.system.Struct
clear, free, isNull, validate

- Field Detail
  - SIZEOF
    
    The struct size in bytes.
  - ALIGNOF
    
    The struct alignment in bytes.
  - STYPE, PNEXT, PHYSICALDEVICECOUNT, PHYSICALDEVICES, SUBSETALLOCATION
    
    The struct member offsets.
- Constructor Detail
  - VkPhysicalDeviceGroupProperties
```
public VkPhysicalDeviceGroupProperties(java.nio.ByteBuffer container)
```
    Creates a VkPhysicalDeviceGroupProperties instance at the current position of the specified ByteBuffer container. Changes to the buffer's content will be visible to the struct instance and vice versa.
    The created instance holds a strong reference to the container object.
- Method Detail
  - sizeof
```
public int sizeof()
```
    Specified by:
    
    sizeof in class org.lwjgl.system.Struct
  - sType
```
public int sType()
```
    the type of this structure.
  - pNext
```
public long pNext()
```
    NULL or a pointer to a structure extending this structure.
  - physicalDeviceCount
```
public int physicalDeviceCount()
```
    the number of physical devices in the group.
  - physicalDevices
```
public org.lwjgl.PointerBuffer physicalDevices()

public long physicalDevices(int index)
```
    an array of MAX_DEVICE_GROUP_SIZE VkPhysicalDevice handles representing all physical devices in the group. The first physicalDeviceCount elements of the array will be valid.
  - subsetAllocation
```
public boolean subsetAllocation()
```
    specifies whether logical devices created from the group support allocating device memory on a subset of devices, via the deviceMask member of the VkMemoryAllocateFlagsInfo. If this is FALSE, then all device memory allocations are made across all physical devices in the group. If physicalDeviceCount is 1, then subsetAllocation must be FALSE.
  - sType
```
public VkPhysicalDeviceGroupProperties sType(int value)
```
    Sets the specified value to the sType() field.
  - sType$Default
```
public VkPhysicalDeviceGroupProperties sType$Default()
```
    Sets the STRUCTURE_TYPE_PHYSICAL_DEVICE_GROUP_PROPERTIES value to the sType() field.
  - pNext
```
public VkPhysicalDeviceGroupProperties pNext(long value)
```
    Sets the specified value to the pNext() field.
  - set
```
public VkPhysicalDeviceGroupProperties set(int sType,
                                           long pNext)
```
    Initializes this struct with the specified values.
  - set
```
public VkPhysicalDeviceGroupProperties set(VkPhysicalDeviceGroupProperties src)
```
    Copies the specified struct data to this struct.
    
    Parameters:
    
    src - the source struct
    
    Returns:
    
    this struct
  - malloc
```
public static VkPhysicalDeviceGroupProperties malloc()
```
    Returns a new VkPhysicalDeviceGroupProperties instance allocated with memAlloc. The instance must be explicitly freed.
  - calloc
```
public static VkPhysicalDeviceGroupProperties calloc()
```
    Returns a new VkPhysicalDeviceGroupProperties instance allocated with memCalloc. The instance must be explicitly freed.
  - create
```
public static VkPhysicalDeviceGroupProperties create()
```
    Returns a new VkPhysicalDeviceGroupProperties instance allocated with BufferUtils.
  - create
```
public static VkPhysicalDeviceGroupProperties create(long address)
```
    Returns a new VkPhysicalDeviceGroupProperties instance for the specified memory address.
  - createSafe
```
@Nullable
public static VkPhysicalDeviceGroupProperties createSafe(long address)
```
    Like create, but returns null if address is NULL.
  - malloc
```
public static VkPhysicalDeviceGroupProperties.Buffer malloc(int capacity)
```
    Returns a new VkPhysicalDeviceGroupProperties.Buffer instance allocated with memAlloc. The instance must be explicitly freed.
    
    Parameters:
    
    capacity - the buffer capacity
  - calloc
```
public static VkPhysicalDeviceGroupProperties.Buffer calloc(int capacity)
```
    Returns a new VkPhysicalDeviceGroupProperties.Buffer instance allocated with memCalloc. The instance must be explicitly freed.
    
    Parameters:
    
    capacity - the buffer capacity
  - create
```
public static VkPhysicalDeviceGroupProperties.Buffer create(int capacity)
```
    Returns a new VkPhysicalDeviceGroupProperties.Buffer instance allocated with BufferUtils.
    
    Parameters:
    
    capacity - the buffer capacity
  - create
```
public static VkPhysicalDeviceGroupProperties.Buffer create(long address,
                                                            int capacity)
```
    Create a VkPhysicalDeviceGroupProperties.Buffer instance at the specified memory.
    
    Parameters:
    
    address - the memory address
    
    capacity - the buffer capacity
  - createSafe
```
@Nullable
public static VkPhysicalDeviceGroupProperties.Buffer createSafe(long address,
                                                                int capacity)
```
    Like create, but returns null if address is NULL.
  - mallocStack
```
@Deprecated
public static VkPhysicalDeviceGroupProperties mallocStack()
```
    Deprecated.
    
    Deprecated for removal in 3.4.0. Use malloc(MemoryStack) instead.
  - callocStack
```
@Deprecated
public static VkPhysicalDeviceGroupProperties callocStack()
```
    Deprecated.
    
    Deprecated for removal in 3.4.0. Use calloc(MemoryStack) instead.
  - mallocStack
```
@Deprecated
public static VkPhysicalDeviceGroupProperties mallocStack(org.lwjgl.system.MemoryStack stack)
```
    Deprecated.
    
    Deprecated for removal in 3.4.0. Use malloc(MemoryStack) instead.
  - callocStack
```
@Deprecated
public static VkPhysicalDeviceGroupProperties callocStack(org.lwjgl.system.MemoryStack stack)
```
    Deprecated.
    
    Deprecated for removal in 3.4.0. Use calloc(MemoryStack) instead.
  - mallocStack
```
@Deprecated
public static VkPhysicalDeviceGroupProperties.Buffer mallocStack(int capacity)
```
    Deprecated.
    
    Deprecated for removal in 3.4.0. Use malloc(int, MemoryStack) instead.
  - callocStack
```
@Deprecated
public static VkPhysicalDeviceGroupProperties.Buffer callocStack(int capacity)
```
    Deprecated.
    
    Deprecated for removal in 3.4.0. Use calloc(int, MemoryStack) instead.
  - mallocStack
```
@Deprecated
public static VkPhysicalDeviceGroupProperties.Buffer mallocStack(int capacity,
                                                                 org.lwjgl.system.MemoryStack stack)
```
    Deprecated.
    
    Deprecated for removal in 3.4.0. Use malloc(int, MemoryStack) instead.
  - callocStack
```
@Deprecated
public static VkPhysicalDeviceGroupProperties.Buffer callocStack(int capacity,
                                                                 org.lwjgl.system.MemoryStack stack)
```
    Deprecated.
    
    Deprecated for removal in 3.4.0. Use calloc(int, MemoryStack) instead.
  - malloc
```
public static VkPhysicalDeviceGroupProperties malloc(org.lwjgl.system.MemoryStack stack)
```
    Returns a new VkPhysicalDeviceGroupProperties instance allocated on the specified MemoryStack.
    
    Parameters:
    
    stack - the stack from which to allocate
  - calloc
```
public static VkPhysicalDeviceGroupProperties calloc(org.lwjgl.system.MemoryStack stack)
```
    Returns a new VkPhysicalDeviceGroupProperties instance allocated on the specified MemoryStack and initializes all its bits to zero.
    
    Parameters:
    
    stack - the stack from which to allocate
  - malloc
```
public static VkPhysicalDeviceGroupProperties.Buffer malloc(int capacity,
                                                            org.lwjgl.system.MemoryStack stack)
```
    Returns a new VkPhysicalDeviceGroupProperties.Buffer instance allocated on the specified MemoryStack.
    
    Parameters:
    
    stack - the stack from which to allocate
    
    capacity - the buffer capacity
  - calloc
```
public static VkPhysicalDeviceGroupProperties.Buffer calloc(int capacity,
                                                            org.lwjgl.system.MemoryStack stack)
```
    Returns a new VkPhysicalDeviceGroupProperties.Buffer instance allocated on the specified MemoryStack and initializes all its bits to zero.
    
    Parameters:
    
    stack - the stack from which to allocate
    
    capacity - the buffer capacity
  - nsType
```
public static int nsType(long struct)
```
    Unsafe version of sType().
  - npNext
```
public static long npNext(long struct)
```
    Unsafe version of pNext().
  - nphysicalDeviceCount
```
public static int nphysicalDeviceCount(long struct)
```
    Unsafe version of physicalDeviceCount().
  - nphysicalDevices
```
public static org.lwjgl.PointerBuffer nphysicalDevices(long struct)
```
    Unsafe version of physicalDevices().
  - nphysicalDevices
```
public static long nphysicalDevices(long struct,
                                    int index)
```
    Unsafe version of physicalDevices.
  - nsubsetAllocation
```
public static int nsubsetAllocation(long struct)
```
    Unsafe version of subsetAllocation().
  - nsType
```
public static void nsType(long struct,
                          int value)
```
    Unsafe version of sType.
  - npNext
```
public static void npNext(long struct,
                          long value)
```
    Unsafe version of pNext.

Class VkPhysicalDeviceGroupProperties

Valid Usage (Implicit)

See Also

Layout

Nested Class Summary

Nested classes/interfaces inherited from interface org.lwjgl.system.Pointer

Nested classes/interfaces inherited from class org.lwjgl.system.Struct

Field Summary

Fields inherited from interface org.lwjgl.system.Pointer

Constructor Summary

Method Summary

Methods inherited from interface org.lwjgl.system.NativeResource

Methods inherited from class java.lang.Object

Methods inherited from class org.lwjgl.system.Pointer.Default

Methods inherited from class org.lwjgl.system.Struct

Field Detail

SIZEOF

ALIGNOF

STYPE, PNEXT, PHYSICALDEVICECOUNT, PHYSICALDEVICES, SUBSETALLOCATION

Constructor Detail

VkPhysicalDeviceGroupProperties

Method Detail

sizeof

sType

pNext

physicalDeviceCount

physicalDevices

subsetAllocation

sType

sType$Default

pNext

set

set

malloc

calloc

create

create

createSafe

malloc

calloc

create

create

createSafe

mallocStack

callocStack

mallocStack

callocStack

mallocStack

callocStack

mallocStack

callocStack

malloc

calloc

malloc

calloc

nsType

npNext

nphysicalDeviceCount

nphysicalDevices

nphysicalDevices

nsubsetAllocation

nsType

npNext