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An open, royalty-free standard for cross-platform, parallel programming of diverse processors found in personal computers, servers, mobile devices and embedded platforms.
/*
* Copyright LWJGL. All rights reserved.
* License terms: https://www.lwjgl.org/license
* MACHINE GENERATED FILE, DO NOT EDIT
*/
package org.lwjgl.opencl;
import java.nio.*;
import org.lwjgl.*;
import org.lwjgl.system.*;
import static org.lwjgl.system.MemoryUtil.*;
import static org.lwjgl.system.MemoryStack.*;
/**
* Buffer region struct.
*
* Member documentation
*
*
* - {@code origin} – the region offset, in bytes
* - {@code size} – the region size, in bytes
*
*
* Layout
*
* struct cl_buffer_region {
size_t origin;
size_t size;
}
*/
public class CLBufferRegion extends Struct implements NativeResource {
/** The struct size in bytes. */
public static final int SIZEOF;
public static final int ALIGNOF;
/** The struct member offsets. */
public static final int
ORIGIN,
SIZE;
static {
Layout layout = __struct(
__member(POINTER_SIZE),
__member(POINTER_SIZE)
);
SIZEOF = layout.getSize();
ALIGNOF = layout.getAlignment();
ORIGIN = layout.offsetof(0);
SIZE = layout.offsetof(1);
}
CLBufferRegion(long address, ByteBuffer container) {
super(address, container);
}
/**
* Creates a {@link CLBufferRegion} 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 CLBufferRegion(ByteBuffer container) {
this(memAddress(container), checkContainer(container, SIZEOF));
}
@Override
public int sizeof() { return SIZEOF; }
/** Returns the value of the {@code origin} field. */
public long origin() { return norigin(address()); }
/** Returns the value of the {@code size} field. */
public long size() { return nsize(address()); }
/** Sets the specified value to the {@code origin} field. */
public CLBufferRegion origin(long value) { norigin(address(), value); return this; }
/** Sets the specified value to the {@code size} field. */
public CLBufferRegion size(long value) { nsize(address(), value); return this; }
/** Initializes this struct with the specified values. */
public CLBufferRegion set(
long origin,
long size
) {
origin(origin);
size(size);
return this;
}
/** Unsafe version of {@link #set(CLBufferRegion) set}. */
public CLBufferRegion nset(long struct) {
memCopy(struct, address(), SIZEOF);
return this;
}
/**
* Copies the specified struct data to this struct.
*
* @param src the source struct
*
* @return this struct
*/
public CLBufferRegion set(CLBufferRegion src) {
return nset(src.address());
}
// -----------------------------------
/** Returns a new {@link CLBufferRegion} instance allocated with {@link MemoryUtil#memAlloc memAlloc}. The instance must be explicitly freed. */
public static CLBufferRegion malloc() {
return create(nmemAlloc(SIZEOF));
}
/** Returns a new {@link CLBufferRegion} instance allocated with {@link MemoryUtil#memCalloc memCalloc}. The instance must be explicitly freed. */
public static CLBufferRegion calloc() {
return create(nmemCalloc(1, SIZEOF));
}
/** Returns a new {@link CLBufferRegion} instance allocated with {@link BufferUtils}. */
public static CLBufferRegion create() {
return new CLBufferRegion(BufferUtils.createByteBuffer(SIZEOF));
}
/** Returns a new {@link CLBufferRegion} instance for the specified memory address or {@code null} if the address is {@code NULL}. */
public static CLBufferRegion create(long address) {
return address == NULL ? null : new CLBufferRegion(address, null);
}
/**
* Returns a new {@link CLBufferRegion.Buffer} instance allocated with {@link MemoryUtil#memAlloc memAlloc}. The instance must be explicitly freed.
*
* @param capacity the buffer capacity
*/
public static Buffer malloc(int capacity) {
return create(nmemAlloc(capacity * SIZEOF), capacity);
}
/**
* Returns a new {@link CLBufferRegion.Buffer} instance allocated with {@link MemoryUtil#memCalloc memCalloc}. The instance must be explicitly freed.
*
* @param capacity the buffer capacity
*/
public static Buffer calloc(int capacity) {
return create(nmemCalloc(capacity, SIZEOF), capacity);
}
/**
* Returns a new {@link CLBufferRegion.Buffer} instance allocated with {@link BufferUtils}.
*
* @param capacity the buffer capacity
*/
public static Buffer create(int capacity) {
return new Buffer(BufferUtils.createByteBuffer(capacity * SIZEOF));
}
/**
* Create a {@link CLBufferRegion.Buffer} instance at the specified memory.
*
* @param address the memory address
* @param capacity the buffer capacity
*/
public static Buffer create(long address, int capacity) {
return address == NULL ? null : new Buffer(address, null, -1, 0, capacity, capacity);
}
// -----------------------------------
/** Returns a new {@link CLBufferRegion} instance allocated on the thread-local {@link MemoryStack}. */
public static CLBufferRegion mallocStack() {
return mallocStack(stackGet());
}
/** Returns a new {@link CLBufferRegion} instance allocated on the thread-local {@link MemoryStack} and initializes all its bits to zero. */
public static CLBufferRegion callocStack() {
return callocStack(stackGet());
}
/**
* Returns a new {@link CLBufferRegion} instance allocated on the specified {@link MemoryStack}.
*
* @param stack the stack from which to allocate
*/
public static CLBufferRegion mallocStack(MemoryStack stack) {
return create(stack.nmalloc(ALIGNOF, SIZEOF));
}
/**
* Returns a new {@link CLBufferRegion} instance allocated on the specified {@link MemoryStack} and initializes all its bits to zero.
*
* @param stack the stack from which to allocate
*/
public static CLBufferRegion callocStack(MemoryStack stack) {
return create(stack.ncalloc(ALIGNOF, 1, SIZEOF));
}
/**
* Returns a new {@link CLBufferRegion.Buffer} instance allocated on the thread-local {@link MemoryStack}.
*
* @param capacity the buffer capacity
*/
public static Buffer mallocStack(int capacity) {
return mallocStack(capacity, stackGet());
}
/**
* Returns a new {@link CLBufferRegion.Buffer} instance allocated on the thread-local {@link MemoryStack} and initializes all its bits to zero.
*
* @param capacity the buffer capacity
*/
public static Buffer callocStack(int capacity) {
return callocStack(capacity, stackGet());
}
/**
* Returns a new {@link CLBufferRegion.Buffer} instance allocated on the specified {@link MemoryStack}.
*
* @param stack the stack from which to allocate
* @param capacity the buffer capacity
*/
public static Buffer mallocStack(int capacity, MemoryStack stack) {
return create(stack.nmalloc(ALIGNOF, capacity * SIZEOF), capacity);
}
/**
* Returns a new {@link CLBufferRegion.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 Buffer callocStack(int capacity, MemoryStack stack) {
return create(stack.ncalloc(ALIGNOF, capacity, SIZEOF), capacity);
}
// -----------------------------------
/** Unsafe version of {@link #origin}. */
public static long norigin(long struct) { return memGetAddress(struct + CLBufferRegion.ORIGIN); }
/** Unsafe version of {@link #size}. */
public static long nsize(long struct) { return memGetAddress(struct + CLBufferRegion.SIZE); }
/** Unsafe version of {@link #origin(long) origin}. */
public static void norigin(long struct, long value) { memPutAddress(struct + CLBufferRegion.ORIGIN, value); }
/** Unsafe version of {@link #size(long) size}. */
public static void nsize(long struct, long value) { memPutAddress(struct + CLBufferRegion.SIZE, value); }
// -----------------------------------
/** An array of {@link CLBufferRegion} structs. */
public static class Buffer extends StructBuffer implements NativeResource {
/**
* Creates a new {@link CLBufferRegion.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 CLBufferRegion#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);
}
Buffer(long address, 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 newBufferInstance(long address, ByteBuffer container, int mark, int pos, int lim, int cap) {
return new Buffer(address, container, mark, pos, lim, cap);
}
@Override
protected CLBufferRegion newInstance(long address) {
return new CLBufferRegion(address, container);
}
@Override
protected int sizeof() {
return SIZEOF;
}
/** Returns the value of the {@code origin} field. */
public long origin() { return CLBufferRegion.norigin(address()); }
/** Returns the value of the {@code size} field. */
public long size() { return CLBufferRegion.nsize(address()); }
/** Sets the specified value to the {@code origin} field. */
public CLBufferRegion.Buffer origin(long value) { CLBufferRegion.norigin(address(), value); return this; }
/** Sets the specified value to the {@code size} field. */
public CLBufferRegion.Buffer size(long value) { CLBufferRegion.nsize(address(), value); return this; }
}
}