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

All Implemented Interfaces:

java.lang.AutoCloseable, org.lwjgl.system.NativeResource, org.lwjgl.system.Pointer
```
public class VkPhysicalDeviceProperties
extends org.lwjgl.system.Struct
implements org.lwjgl.system.NativeResource
```
Structure specifying physical device properties.
Description

Note

The value of apiVersion may be different than the version returned by EnumerateInstanceVersion; either higher or lower. In such cases, the application must not use functionality that exceeds the version of Vulkan associated with a given object. The pApiVersion parameter returned by EnumerateInstanceVersion is the version associated with a VkInstance and its children, except for a VkPhysicalDevice and its children. VkPhysicalDeviceProperties::apiVersion is the version associated with a VkPhysicalDevice and its children.

The vendorID and deviceID fields are provided to allow applications to adapt to device characteristics that are not adequately exposed by other Vulkan queries.

Note

These may include performance profiles, hardware errata, or other characteristics.

The vendor identified by vendorID is the entity responsible for the most salient characteristics of the underlying implementation of the VkPhysicalDevice being queried.

Note

For example, in the case of a discrete GPU implementation, this should be the GPU chipset vendor. In the case of a hardware accelerator integrated into a system-on-chip (SoC), this should be the supplier of the silicon IP used to create the accelerator.

If the vendor has a PCI vendor ID, the low 16 bits of vendorID must contain that PCI vendor ID, and the remaining bits must be set to zero. Otherwise, the value returned must be a valid Khronos vendor ID, obtained as described in the Vulkan Documentation and Extensions: Procedures and Conventions document in the section "Registering a Vendor ID with Khronos". Khronos vendor IDs are allocated starting at 0x10000, to distinguish them from the PCI vendor ID namespace. Khronos vendor IDs are symbolically defined in the VkVendorId type.

The vendor is also responsible for the value returned in deviceID. If the implementation is driven primarily by a PCI device with a PCI device ID, the low 16 bits of deviceID must contain that PCI device ID, and the remaining bits must be set to zero. Otherwise, the choice of what values to return may be dictated by operating system or platform policies - but should uniquely identify both the device version and any major configuration options (for example, core count in the case of multicore devices).

Note

The same device ID should be used for all physical implementations of that device version and configuration. For example, all uses of a specific silicon IP GPU version and configuration should use the same device ID, even if those uses occur in different SoCs.

See Also

VkPhysicalDeviceLimits, VkPhysicalDeviceProperties2, VkPhysicalDeviceSparseProperties, GetPhysicalDeviceProperties

Member documentation
- apiVersion – the version of Vulkan supported by the device, encoded as described in Version Numbers.
- driverVersion – the vendor-specified version of the driver.
- vendorID – a unique identifier for the vendor (see below) of the physical device.
- deviceID – a unique identifier for the physical device among devices available from the vendor.
- deviceType – a VkPhysicalDeviceType specifying the type of device.
- deviceName[VK_MAX_PHYSICAL_DEVICE_NAME_SIZE] – a null-terminated UTF-8 string containing the name of the device.
- pipelineCacheUUID[VK_UUID_SIZE] – an array of size UUID_SIZE, containing 8-bit values that represent a universally unique identifier for the device.
- limits – the VkPhysicalDeviceLimits structure which specifies device-specific limits of the physical device. See Limits for details.
- sparseProperties – the VkPhysicalDeviceSparseProperties structure which specifies various sparse related properties of the physical device. See Sparse Properties for details.
Layout
```
 struct VkPhysicalDeviceProperties {
     uint32_t apiVersion;
     uint32_t driverVersion;
     uint32_t vendorID;
     uint32_t deviceID;
     VkPhysicalDeviceType deviceType;
     char deviceName[VK_MAX_PHYSICAL_DEVICE_NAME_SIZE];
     uint8_t pipelineCacheUUID[VK_UUID_SIZE];
     VkPhysicalDeviceLimits limits;
     VkPhysicalDeviceSparseProperties sparseProperties;
 }
```

Nested Class Summary

Nested Classes
Modifier and Type Class Description

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

Field Summary

Fields
Modifier and Type	Field	Description
`static int`	`ALIGNOF`	The struct alignment in bytes.
`static int`	`APIVERSION DEVICEID DEVICENAME DEVICETYPE DRIVERVERSION LIMITS PIPELINECACHEUUID`	The struct member offsets.
`static int`	`SIZEOF`	The struct size in bytes.
`static int`	`SPARSEPROPERTIES VENDORID`	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
`VkPhysicalDeviceProperties(java.nio.ByteBuffer container)`	Creates a `VkPhysicalDeviceProperties` instance at the current position of the specified `ByteBuffer` container.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`apiVersion()`	Returns the value of the `apiVersion` field.
`static VkPhysicalDeviceProperties`	`calloc()`	Returns a new `VkPhysicalDeviceProperties` instance allocated with `memCalloc`.
`static VkPhysicalDeviceProperties.Buffer`	`calloc(int capacity)`	Returns a new `VkPhysicalDeviceProperties.Buffer` instance allocated with `memCalloc`.
`static VkPhysicalDeviceProperties`	`callocStack()`	Returns a new `VkPhysicalDeviceProperties` instance allocated on the thread-local `MemoryStack` and initializes all its bits to zero.
`static VkPhysicalDeviceProperties.Buffer`	`callocStack(int capacity)`	Returns a new `VkPhysicalDeviceProperties.Buffer` instance allocated on the thread-local `MemoryStack` and initializes all its bits to zero.
`static VkPhysicalDeviceProperties.Buffer`	`callocStack(int capacity, org.lwjgl.system.MemoryStack stack)`	Returns a new `VkPhysicalDeviceProperties.Buffer` instance allocated on the specified `MemoryStack` and initializes all its bits to zero.
`static VkPhysicalDeviceProperties`	`callocStack(org.lwjgl.system.MemoryStack stack)`	Returns a new `VkPhysicalDeviceProperties` instance allocated on the specified `MemoryStack` and initializes all its bits to zero.
`static VkPhysicalDeviceProperties`	`create()`	Returns a new `VkPhysicalDeviceProperties` instance allocated with `BufferUtils`.
`static VkPhysicalDeviceProperties.Buffer`	`create(int capacity)`	Returns a new `VkPhysicalDeviceProperties.Buffer` instance allocated with `BufferUtils`.
`static VkPhysicalDeviceProperties`	`create(long address)`	Returns a new `VkPhysicalDeviceProperties` instance for the specified memory address.
`static VkPhysicalDeviceProperties.Buffer`	`create(long address, int capacity)`	Create a `VkPhysicalDeviceProperties.Buffer` instance at the specified memory.
`static VkPhysicalDeviceProperties`	`createSafe(long address)`	Like `create`, but returns `null` if `address` is `NULL`.
`static VkPhysicalDeviceProperties.Buffer`	`createSafe(long address, int capacity)`	Like `create`, but returns `null` if `address` is `NULL`.
`int`	`deviceID()`	Returns the value of the `deviceID` field.
`java.nio.ByteBuffer`	`deviceName()`	Returns a `ByteBuffer` view of the `deviceName` field.
`java.lang.String`	`deviceNameString()`	Decodes the null-terminated string stored in the `deviceName` field.
`int`	`deviceType()`	Returns the value of the `deviceType` field.
`int`	`driverVersion()`	Returns the value of the `driverVersion` field.
`VkPhysicalDeviceLimits`	`limits()`	Returns a `VkPhysicalDeviceLimits` view of the `limits` field.
`static VkPhysicalDeviceProperties`	`malloc()`	Returns a new `VkPhysicalDeviceProperties` instance allocated with `memAlloc`.
`static VkPhysicalDeviceProperties.Buffer`	`malloc(int capacity)`	Returns a new `VkPhysicalDeviceProperties.Buffer` instance allocated with `memAlloc`.
`static VkPhysicalDeviceProperties`	`mallocStack()`	Returns a new `VkPhysicalDeviceProperties` instance allocated on the thread-local `MemoryStack`.
`static VkPhysicalDeviceProperties.Buffer`	`mallocStack(int capacity)`	Returns a new `VkPhysicalDeviceProperties.Buffer` instance allocated on the thread-local `MemoryStack`.
`static VkPhysicalDeviceProperties.Buffer`	`mallocStack(int capacity, org.lwjgl.system.MemoryStack stack)`	Returns a new `VkPhysicalDeviceProperties.Buffer` instance allocated on the specified `MemoryStack`.
`static VkPhysicalDeviceProperties`	`mallocStack(org.lwjgl.system.MemoryStack stack)`	Returns a new `VkPhysicalDeviceProperties` instance allocated on the specified `MemoryStack`.
`static int`	`napiVersion(long struct)`	Unsafe version of `apiVersion()`.
`static int`	`ndeviceID(long struct)`	Unsafe version of `deviceID()`.
`static java.nio.ByteBuffer`	`ndeviceName(long struct)`	Unsafe version of `deviceName()`.
`static java.lang.String`	`ndeviceNameString(long struct)`	Unsafe version of `deviceNameString()`.
`static int`	`ndeviceType(long struct)`	Unsafe version of `deviceType()`.
`static int`	`ndriverVersion(long struct)`	Unsafe version of `driverVersion()`.
`static VkPhysicalDeviceLimits`	`nlimits(long struct)`	Unsafe version of `limits()`.
`static java.nio.ByteBuffer`	`npipelineCacheUUID(long struct)`	Unsafe version of `pipelineCacheUUID()`.
`static byte`	`npipelineCacheUUID(long struct, int index)`	Unsafe version of `pipelineCacheUUID`.
`static VkPhysicalDeviceSparseProperties`	`nsparseProperties(long struct)`	Unsafe version of `sparseProperties()`.
`static int`	`nvendorID(long struct)`	Unsafe version of `vendorID()`.
`java.nio.ByteBuffer`	`pipelineCacheUUID()`	Returns a `ByteBuffer` view of the `pipelineCacheUUID` field.
`byte`	`pipelineCacheUUID(int index)`	Returns the value at the specified index of the `pipelineCacheUUID` field.
`int`	`sizeof()`
`VkPhysicalDeviceSparseProperties`	`sparseProperties()`	Returns a `VkPhysicalDeviceSparseProperties` view of the `sparseProperties` field.
`int`	`vendorID()`	Returns the value of the `vendorID` field.

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

- Field Detail
  - SIZEOF
    
    The struct size in bytes.
  - ALIGNOF
    
    The struct alignment in bytes.
  - APIVERSION, DRIVERVERSION, VENDORID, DEVICEID, DEVICETYPE, DEVICENAME, PIPELINECACHEUUID, LIMITS, SPARSEPROPERTIES
    
    The struct member offsets.
- Constructor Detail
  - VkPhysicalDeviceProperties
```
public VkPhysicalDeviceProperties(java.nio.ByteBuffer container)
```
    Creates a VkPhysicalDeviceProperties 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
  - apiVersion
```
public int apiVersion()
```
    Returns the value of the apiVersion field.
  - driverVersion
```
public int driverVersion()
```
    Returns the value of the driverVersion field.
  - vendorID
```
public int vendorID()
```
    Returns the value of the vendorID field.
  - deviceID
```
public int deviceID()
```
    Returns the value of the deviceID field.
  - deviceType
```
public int deviceType()
```
    Returns the value of the deviceType field.
  - deviceName
```
public java.nio.ByteBuffer deviceName()
```
    Returns a ByteBuffer view of the deviceName field.
  - deviceNameString
```
public java.lang.String deviceNameString()
```
    Decodes the null-terminated string stored in the deviceName field.
  - pipelineCacheUUID
```
public java.nio.ByteBuffer pipelineCacheUUID()
```
    Returns a ByteBuffer view of the pipelineCacheUUID field.
  - pipelineCacheUUID
```
public byte pipelineCacheUUID(int index)
```
    Returns the value at the specified index of the pipelineCacheUUID field.
  - limits
```
public VkPhysicalDeviceLimits limits()
```
    Returns a VkPhysicalDeviceLimits view of the limits field.
  - sparseProperties
```
public VkPhysicalDeviceSparseProperties sparseProperties()
```
    Returns a VkPhysicalDeviceSparseProperties view of the sparseProperties field.
  - malloc
```
public static VkPhysicalDeviceProperties malloc()
```
    Returns a new VkPhysicalDeviceProperties instance allocated with memAlloc. The instance must be explicitly freed.
  - calloc
```
public static VkPhysicalDeviceProperties calloc()
```
    Returns a new VkPhysicalDeviceProperties instance allocated with memCalloc. The instance must be explicitly freed.
  - create
```
public static VkPhysicalDeviceProperties create()
```
    Returns a new VkPhysicalDeviceProperties instance allocated with BufferUtils.
  - create
```
public static VkPhysicalDeviceProperties create(long address)
```
    Returns a new VkPhysicalDeviceProperties instance for the specified memory address.
  - createSafe
```
@Nullable
public static VkPhysicalDeviceProperties createSafe(long address)
```
    Like create, but returns null if address is NULL.
  - malloc
```
public static VkPhysicalDeviceProperties.Buffer malloc(int capacity)
```
    Returns a new VkPhysicalDeviceProperties.Buffer instance allocated with memAlloc. The instance must be explicitly freed.
    
    Parameters:
    
    capacity - the buffer capacity
  - calloc
```
public static VkPhysicalDeviceProperties.Buffer calloc(int capacity)
```
    Returns a new VkPhysicalDeviceProperties.Buffer instance allocated with memCalloc. The instance must be explicitly freed.
    
    Parameters:
    
    capacity - the buffer capacity
  - create
```
public static VkPhysicalDeviceProperties.Buffer create(int capacity)
```
    Returns a new VkPhysicalDeviceProperties.Buffer instance allocated with BufferUtils.
    
    Parameters:
    
    capacity - the buffer capacity
  - create
```
public static VkPhysicalDeviceProperties.Buffer create(long address,
                                                       int capacity)
```
    Create a VkPhysicalDeviceProperties.Buffer instance at the specified memory.
    
    Parameters:
    
    address - the memory address
    
    capacity - the buffer capacity
  - createSafe
```
@Nullable
public static VkPhysicalDeviceProperties.Buffer createSafe(long address,
                                                           int capacity)
```
    Like create, but returns null if address is NULL.
  - mallocStack
```
public static VkPhysicalDeviceProperties mallocStack()
```
    Returns a new VkPhysicalDeviceProperties instance allocated on the thread-local MemoryStack.
  - callocStack
```
public static VkPhysicalDeviceProperties callocStack()
```
    Returns a new VkPhysicalDeviceProperties instance allocated on the thread-local MemoryStack and initializes all its bits to zero.
  - mallocStack
```
public static VkPhysicalDeviceProperties mallocStack(org.lwjgl.system.MemoryStack stack)
```
    Returns a new VkPhysicalDeviceProperties instance allocated on the specified MemoryStack.
    
    Parameters:
    
    stack - the stack from which to allocate
  - callocStack
```
public static VkPhysicalDeviceProperties callocStack(org.lwjgl.system.MemoryStack stack)
```
    Returns a new VkPhysicalDeviceProperties instance allocated on the specified MemoryStack and initializes all its bits to zero.
    
    Parameters:
    
    stack - the stack from which to allocate
  - mallocStack
```
public static VkPhysicalDeviceProperties.Buffer mallocStack(int capacity)
```
    Returns a new VkPhysicalDeviceProperties.Buffer instance allocated on the thread-local MemoryStack.
    
    Parameters:
    
    capacity - the buffer capacity
  - callocStack
```
public static VkPhysicalDeviceProperties.Buffer callocStack(int capacity)
```
    Returns a new VkPhysicalDeviceProperties.Buffer instance allocated on the thread-local MemoryStack and initializes all its bits to zero.
    
    Parameters:
    
    capacity - the buffer capacity
  - mallocStack
```
public static VkPhysicalDeviceProperties.Buffer mallocStack(int capacity,
                                                            org.lwjgl.system.MemoryStack stack)
```
    Returns a new VkPhysicalDeviceProperties.Buffer instance allocated on the specified MemoryStack.
    
    Parameters:
    
    stack - the stack from which to allocate
    
    capacity - the buffer capacity
  - callocStack
```
public static VkPhysicalDeviceProperties.Buffer callocStack(int capacity,
                                                            org.lwjgl.system.MemoryStack stack)
```
    Returns a new VkPhysicalDeviceProperties.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
  - napiVersion
```
public static int napiVersion(long struct)
```
    Unsafe version of apiVersion().
  - ndriverVersion
```
public static int ndriverVersion(long struct)
```
    Unsafe version of driverVersion().
  - nvendorID
```
public static int nvendorID(long struct)
```
    Unsafe version of vendorID().
  - ndeviceID
```
public static int ndeviceID(long struct)
```
    Unsafe version of deviceID().
  - ndeviceType
```
public static int ndeviceType(long struct)
```
    Unsafe version of deviceType().
  - ndeviceName
```
public static java.nio.ByteBuffer ndeviceName(long struct)
```
    Unsafe version of deviceName().
  - ndeviceNameString
```
public static java.lang.String ndeviceNameString(long struct)
```
    Unsafe version of deviceNameString().
  - npipelineCacheUUID
```
public static java.nio.ByteBuffer npipelineCacheUUID(long struct)
```
    Unsafe version of pipelineCacheUUID().
  - npipelineCacheUUID
```
public static byte npipelineCacheUUID(long struct,
                                      int index)
```
    Unsafe version of pipelineCacheUUID.
  - nlimits
```
public static VkPhysicalDeviceLimits nlimits(long struct)
```
    Unsafe version of limits().
  - nsparseProperties
```
public static VkPhysicalDeviceSparseProperties nsparseProperties(long struct)
```
    Unsafe version of sparseProperties().

Class VkPhysicalDeviceProperties

Description

Note

Note

Note

Note

See Also

Member documentation

Layout

Nested Class Summary

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

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

APIVERSION, DRIVERVERSION, VENDORID, DEVICEID, DEVICETYPE, DEVICENAME, PIPELINECACHEUUID, LIMITS, SPARSEPROPERTIES

Constructor Detail

VkPhysicalDeviceProperties

Method Detail

sizeof

apiVersion

driverVersion

vendorID

deviceID

deviceType

deviceName

deviceNameString

pipelineCacheUUID

pipelineCacheUUID

limits

sparseProperties

malloc

calloc

create

create

createSafe

malloc

calloc

create

create

createSafe

mallocStack

callocStack

mallocStack

callocStack

mallocStack

callocStack

mallocStack

callocStack

napiVersion

ndriverVersion

nvendorID

ndeviceID

ndeviceType

ndeviceName

ndeviceNameString

npipelineCacheUUID

npipelineCacheUUID

nlimits

nsparseProperties