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A royalty-free, open standard that provides high-performance access to Augmented Reality (AR) and Virtual Reality (VR)—collectively known as XR—platforms and devices.
/*
* Copyright LWJGL. All rights reserved.
* License terms: https://www.lwjgl.org/license
* MACHINE GENERATED FILE, DO NOT EDIT
*/
package org.lwjgl.openxr;
import org.jspecify.annotations.*;
import java.nio.*;
import org.lwjgl.*;
import org.lwjgl.system.*;
import static org.lwjgl.system.MemoryUtil.*;
import static org.lwjgl.system.MemoryStack.*;
/**
* System property for face tracking.
*
* Description
*
* An application can inspect whether the system is capable of receiving face tracking input by extending the {@link XrSystemProperties} with {@link XrSystemFaceTrackingPropertiesFB} structure when calling {@link XR10#xrGetSystemProperties GetSystemProperties}.
*
* If a runtime returns {@link XR10#XR_FALSE FALSE} for {@code supportsFaceTracking}, the runtime must return {@link XR10#XR_ERROR_FEATURE_UNSUPPORTED ERROR_FEATURE_UNSUPPORTED} from {@link FBFaceTracking#xrCreateFaceTrackerFB CreateFaceTrackerFB}.
*
* Valid Usage (Implicit)
*
*
* - The {@link FBFaceTracking XR_FB_face_tracking} extension must be enabled prior to using {@link XrSystemFaceTrackingPropertiesFB}
* - {@code type} must be {@link FBFaceTracking#XR_TYPE_SYSTEM_FACE_TRACKING_PROPERTIES_FB TYPE_SYSTEM_FACE_TRACKING_PROPERTIES_FB}
* - {@code next} must be {@code NULL} or a valid pointer to the next structure in a structure chain
*
*
* Layout
*
*
* struct XrSystemFaceTrackingPropertiesFB {
* XrStructureType {@link #type};
* void * {@link #next};
* XrBool32 {@link #supportsFaceTracking};
* }
*/
public class XrSystemFaceTrackingPropertiesFB extends Struct implements NativeResource {
/** The struct size in bytes. */
public static final int SIZEOF;
/** The struct alignment in bytes. */
public static final int ALIGNOF;
/** The struct member offsets. */
public static final int
TYPE,
NEXT,
SUPPORTSFACETRACKING;
static {
Layout layout = __struct(
__member(4),
__member(POINTER_SIZE),
__member(4)
);
SIZEOF = layout.getSize();
ALIGNOF = layout.getAlignment();
TYPE = layout.offsetof(0);
NEXT = layout.offsetof(1);
SUPPORTSFACETRACKING = layout.offsetof(2);
}
protected XrSystemFaceTrackingPropertiesFB(long address, @Nullable ByteBuffer container) {
super(address, container);
}
@Override
protected XrSystemFaceTrackingPropertiesFB create(long address, @Nullable ByteBuffer container) {
return new XrSystemFaceTrackingPropertiesFB(address, container);
}
/**
* Creates a {@code XrSystemFaceTrackingPropertiesFB} instance at the current position of the specified {@link 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.
*/
public XrSystemFaceTrackingPropertiesFB(ByteBuffer container) {
super(memAddress(container), __checkContainer(container, SIZEOF));
}
@Override
public int sizeof() { return SIZEOF; }
/** the {@code XrStructureType} of this structure. */
@NativeType("XrStructureType")
public int type() { return ntype(address()); }
/** {@code NULL} or a pointer to the next structure in a structure chain. No such structures are defined in core OpenXR or this extension. */
@NativeType("void *")
public long next() { return nnext(address()); }
/** an {@code XrBool32}, indicating if current system is capable of receiving face tracking input. */
@NativeType("XrBool32")
public boolean supportsFaceTracking() { return nsupportsFaceTracking(address()) != 0; }
/** Sets the specified value to the {@link #type} field. */
public XrSystemFaceTrackingPropertiesFB type(@NativeType("XrStructureType") int value) { ntype(address(), value); return this; }
/** Sets the {@link FBFaceTracking#XR_TYPE_SYSTEM_FACE_TRACKING_PROPERTIES_FB TYPE_SYSTEM_FACE_TRACKING_PROPERTIES_FB} value to the {@link #type} field. */
public XrSystemFaceTrackingPropertiesFB type$Default() { return type(FBFaceTracking.XR_TYPE_SYSTEM_FACE_TRACKING_PROPERTIES_FB); }
/** Sets the specified value to the {@link #next} field. */
public XrSystemFaceTrackingPropertiesFB next(@NativeType("void *") long value) { nnext(address(), value); return this; }
/** Initializes this struct with the specified values. */
public XrSystemFaceTrackingPropertiesFB set(
int type,
long next
) {
type(type);
next(next);
return this;
}
/**
* Copies the specified struct data to this struct.
*
* @param src the source struct
*
* @return this struct
*/
public XrSystemFaceTrackingPropertiesFB set(XrSystemFaceTrackingPropertiesFB src) {
memCopy(src.address(), address(), SIZEOF);
return this;
}
// -----------------------------------
/** Returns a new {@code XrSystemFaceTrackingPropertiesFB} instance allocated with {@link MemoryUtil#memAlloc memAlloc}. The instance must be explicitly freed. */
public static XrSystemFaceTrackingPropertiesFB malloc() {
return new XrSystemFaceTrackingPropertiesFB(nmemAllocChecked(SIZEOF), null);
}
/** Returns a new {@code XrSystemFaceTrackingPropertiesFB} instance allocated with {@link MemoryUtil#memCalloc memCalloc}. The instance must be explicitly freed. */
public static XrSystemFaceTrackingPropertiesFB calloc() {
return new XrSystemFaceTrackingPropertiesFB(nmemCallocChecked(1, SIZEOF), null);
}
/** Returns a new {@code XrSystemFaceTrackingPropertiesFB} instance allocated with {@link BufferUtils}. */
public static XrSystemFaceTrackingPropertiesFB create() {
ByteBuffer container = BufferUtils.createByteBuffer(SIZEOF);
return new XrSystemFaceTrackingPropertiesFB(memAddress(container), container);
}
/** Returns a new {@code XrSystemFaceTrackingPropertiesFB} instance for the specified memory address. */
public static XrSystemFaceTrackingPropertiesFB create(long address) {
return new XrSystemFaceTrackingPropertiesFB(address, null);
}
/** Like {@link #create(long) create}, but returns {@code null} if {@code address} is {@code NULL}. */
public static @Nullable XrSystemFaceTrackingPropertiesFB createSafe(long address) {
return address == NULL ? null : new XrSystemFaceTrackingPropertiesFB(address, null);
}
/**
* Returns a new {@link XrSystemFaceTrackingPropertiesFB.Buffer} instance allocated with {@link MemoryUtil#memAlloc memAlloc}. The instance must be explicitly freed.
*
* @param capacity the buffer capacity
*/
public static XrSystemFaceTrackingPropertiesFB.Buffer malloc(int capacity) {
return new Buffer(nmemAllocChecked(__checkMalloc(capacity, SIZEOF)), capacity);
}
/**
* Returns a new {@link XrSystemFaceTrackingPropertiesFB.Buffer} instance allocated with {@link MemoryUtil#memCalloc memCalloc}. The instance must be explicitly freed.
*
* @param capacity the buffer capacity
*/
public static XrSystemFaceTrackingPropertiesFB.Buffer calloc(int capacity) {
return new Buffer(nmemCallocChecked(capacity, SIZEOF), capacity);
}
/**
* Returns a new {@link XrSystemFaceTrackingPropertiesFB.Buffer} instance allocated with {@link BufferUtils}.
*
* @param capacity the buffer capacity
*/
public static XrSystemFaceTrackingPropertiesFB.Buffer create(int capacity) {
ByteBuffer container = __create(capacity, SIZEOF);
return new Buffer(memAddress(container), container, -1, 0, capacity, capacity);
}
/**
* Create a {@link XrSystemFaceTrackingPropertiesFB.Buffer} instance at the specified memory.
*
* @param address the memory address
* @param capacity the buffer capacity
*/
public static XrSystemFaceTrackingPropertiesFB.Buffer create(long address, int capacity) {
return new Buffer(address, capacity);
}
/** Like {@link #create(long, int) create}, but returns {@code null} if {@code address} is {@code NULL}. */
public static XrSystemFaceTrackingPropertiesFB.@Nullable Buffer createSafe(long address, int capacity) {
return address == NULL ? null : new Buffer(address, capacity);
}
/**
* Returns a new {@code XrSystemFaceTrackingPropertiesFB} instance allocated on the specified {@link MemoryStack}.
*
* @param stack the stack from which to allocate
*/
public static XrSystemFaceTrackingPropertiesFB malloc(MemoryStack stack) {
return new XrSystemFaceTrackingPropertiesFB(stack.nmalloc(ALIGNOF, SIZEOF), null);
}
/**
* Returns a new {@code XrSystemFaceTrackingPropertiesFB} instance allocated on the specified {@link MemoryStack} and initializes all its bits to zero.
*
* @param stack the stack from which to allocate
*/
public static XrSystemFaceTrackingPropertiesFB calloc(MemoryStack stack) {
return new XrSystemFaceTrackingPropertiesFB(stack.ncalloc(ALIGNOF, 1, SIZEOF), null);
}
/**
* Returns a new {@link XrSystemFaceTrackingPropertiesFB.Buffer} instance allocated on the specified {@link MemoryStack}.
*
* @param stack the stack from which to allocate
* @param capacity the buffer capacity
*/
public static XrSystemFaceTrackingPropertiesFB.Buffer malloc(int capacity, MemoryStack stack) {
return new Buffer(stack.nmalloc(ALIGNOF, capacity * SIZEOF), capacity);
}
/**
* Returns a new {@link XrSystemFaceTrackingPropertiesFB.Buffer} instance allocated on the specified {@link MemoryStack} and initializes all its bits to zero.
*
* @param stack the stack from which to allocate
* @param capacity the buffer capacity
*/
public static XrSystemFaceTrackingPropertiesFB.Buffer calloc(int capacity, MemoryStack stack) {
return new Buffer(stack.ncalloc(ALIGNOF, capacity, SIZEOF), capacity);
}
// -----------------------------------
/** Unsafe version of {@link #type}. */
public static int ntype(long struct) { return memGetInt(struct + XrSystemFaceTrackingPropertiesFB.TYPE); }
/** Unsafe version of {@link #next}. */
public static long nnext(long struct) { return memGetAddress(struct + XrSystemFaceTrackingPropertiesFB.NEXT); }
/** Unsafe version of {@link #supportsFaceTracking}. */
public static int nsupportsFaceTracking(long struct) { return memGetInt(struct + XrSystemFaceTrackingPropertiesFB.SUPPORTSFACETRACKING); }
/** Unsafe version of {@link #type(int) type}. */
public static void ntype(long struct, int value) { memPutInt(struct + XrSystemFaceTrackingPropertiesFB.TYPE, value); }
/** Unsafe version of {@link #next(long) next}. */
public static void nnext(long struct, long value) { memPutAddress(struct + XrSystemFaceTrackingPropertiesFB.NEXT, value); }
// -----------------------------------
/** An array of {@link XrSystemFaceTrackingPropertiesFB} structs. */
public static class Buffer extends StructBuffer implements NativeResource {
private static final XrSystemFaceTrackingPropertiesFB ELEMENT_FACTORY = XrSystemFaceTrackingPropertiesFB.create(-1L);
/**
* Creates a new {@code XrSystemFaceTrackingPropertiesFB.Buffer} instance backed by the specified container.
*
* Changes to the container's content will be visible to the struct buffer instance and vice versa. The two buffers' position, limit, and mark values
* will be independent. The new buffer's position will be zero, its capacity and its limit will be the number of bytes remaining in this buffer divided
* by {@link XrSystemFaceTrackingPropertiesFB#SIZEOF}, and its mark will be undefined.
*
* The created buffer instance holds a strong reference to the container object.
*/
public Buffer(ByteBuffer container) {
super(container, container.remaining() / SIZEOF);
}
public Buffer(long address, int cap) {
super(address, null, -1, 0, cap, cap);
}
Buffer(long address, @Nullable ByteBuffer container, int mark, int pos, int lim, int cap) {
super(address, container, mark, pos, lim, cap);
}
@Override
protected Buffer self() {
return this;
}
@Override
protected Buffer create(long address, @Nullable ByteBuffer container, int mark, int position, int limit, int capacity) {
return new Buffer(address, container, mark, position, limit, capacity);
}
@Override
protected XrSystemFaceTrackingPropertiesFB getElementFactory() {
return ELEMENT_FACTORY;
}
/** @return the value of the {@link XrSystemFaceTrackingPropertiesFB#type} field. */
@NativeType("XrStructureType")
public int type() { return XrSystemFaceTrackingPropertiesFB.ntype(address()); }
/** @return the value of the {@link XrSystemFaceTrackingPropertiesFB#next} field. */
@NativeType("void *")
public long next() { return XrSystemFaceTrackingPropertiesFB.nnext(address()); }
/** @return the value of the {@link XrSystemFaceTrackingPropertiesFB#supportsFaceTracking} field. */
@NativeType("XrBool32")
public boolean supportsFaceTracking() { return XrSystemFaceTrackingPropertiesFB.nsupportsFaceTracking(address()) != 0; }
/** Sets the specified value to the {@link XrSystemFaceTrackingPropertiesFB#type} field. */
public XrSystemFaceTrackingPropertiesFB.Buffer type(@NativeType("XrStructureType") int value) { XrSystemFaceTrackingPropertiesFB.ntype(address(), value); return this; }
/** Sets the {@link FBFaceTracking#XR_TYPE_SYSTEM_FACE_TRACKING_PROPERTIES_FB TYPE_SYSTEM_FACE_TRACKING_PROPERTIES_FB} value to the {@link XrSystemFaceTrackingPropertiesFB#type} field. */
public XrSystemFaceTrackingPropertiesFB.Buffer type$Default() { return type(FBFaceTracking.XR_TYPE_SYSTEM_FACE_TRACKING_PROPERTIES_FB); }
/** Sets the specified value to the {@link XrSystemFaceTrackingPropertiesFB#next} field. */
public XrSystemFaceTrackingPropertiesFB.Buffer next(@NativeType("void *") long value) { XrSystemFaceTrackingPropertiesFB.nnext(address(), value); return this; }
}
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