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A fast lossless compression algorithm, targeting real-time compression scenarios at zlib-level and better compression ratios.
/*
* Copyright LWJGL. All rights reserved.
* License terms: https://www.lwjgl.org/license
* MACHINE GENERATED FILE, DO NOT EDIT
*/
package org.lwjgl.util.zstd;
import javax.annotation.*;
import java.nio.*;
import org.lwjgl.*;
import org.lwjgl.system.*;
import static org.lwjgl.system.MemoryUtil.*;
import static org.lwjgl.system.MemoryStack.*;
/**
* {@code k} and {@code d} are the only required parameters. For others, value 0 means default.
*
* Member documentation
*
*
* - {@code k} – segment size : constraint: {@code 0 < k} : Reasonable range {@code [16, 2048+]}
* - {@code d} – {@code dmer} size : constraint: {@code 0 < d <= k} : Reasonable range {@code [6, 16]}
* - {@code steps} – Number of steps : Only used for optimization : 0 means default (32) : Higher means more parameters checked
* - {@code nbThreads} –
* Number of threads : constraint: {@code 0 < nbThreads} : 1 means single-threaded : Only used for optimization : Ignored if {@code ZSTD_MULTITHREAD} is
* not defined.
*
*
* Layout
*
*
* struct ZDICT_cover_params_t {
* unsigned k;
* unsigned d;
* unsigned steps;
* unsigned nbThreads;
* {@link ZDICTParams ZDICT_params_t} zParams;
* }
*/
@NativeType("struct ZDICT_cover_params_t")
public class ZDICTCoverParams 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
K,
D,
STEPS,
NBTHREADS,
ZPARAMS;
static {
Layout layout = __struct(
__member(4),
__member(4),
__member(4),
__member(4),
__member(ZDICTParams.SIZEOF, ZDICTParams.ALIGNOF)
);
SIZEOF = layout.getSize();
ALIGNOF = layout.getAlignment();
K = layout.offsetof(0);
D = layout.offsetof(1);
STEPS = layout.offsetof(2);
NBTHREADS = layout.offsetof(3);
ZPARAMS = layout.offsetof(4);
}
ZDICTCoverParams(long address, @Nullable ByteBuffer container) {
super(address, container);
}
/**
* Creates a {@link ZDICTCoverParams} 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 ZDICTCoverParams(ByteBuffer container) {
this(memAddress(container), __checkContainer(container, SIZEOF));
}
@Override
public int sizeof() { return SIZEOF; }
/** Returns the value of the {@code k} field. */
@NativeType("unsigned")
public int k() { return nk(address()); }
/** Returns the value of the {@code d} field. */
@NativeType("unsigned")
public int d() { return nd(address()); }
/** Returns the value of the {@code steps} field. */
@NativeType("unsigned")
public int steps() { return nsteps(address()); }
/** Returns the value of the {@code nbThreads} field. */
@NativeType("unsigned")
public int nbThreads() { return nnbThreads(address()); }
/** Returns a {@link ZDICTParams} view of the {@code zParams} field. */
@NativeType("ZDICT_params_t")
public ZDICTParams zParams() { return nzParams(address()); }
/** Passes the {@code zParams} field to the specified {@link java.util.function.Consumer Consumer}. */
public ZDICTCoverParams zParams(java.util.function.Consumer consumer) { consumer.accept(zParams()); return this; }
/** Sets the specified value to the {@code k} field. */
public ZDICTCoverParams k(@NativeType("unsigned") int value) { nk(address(), value); return this; }
/** Sets the specified value to the {@code d} field. */
public ZDICTCoverParams d(@NativeType("unsigned") int value) { nd(address(), value); return this; }
/** Sets the specified value to the {@code steps} field. */
public ZDICTCoverParams steps(@NativeType("unsigned") int value) { nsteps(address(), value); return this; }
/** Sets the specified value to the {@code nbThreads} field. */
public ZDICTCoverParams nbThreads(@NativeType("unsigned") int value) { nnbThreads(address(), value); return this; }
/** Copies the specified {@link ZDICTParams} to the {@code zParams} field. */
public ZDICTCoverParams zParams(@NativeType("ZDICT_params_t") ZDICTParams value) { nzParams(address(), value); return this; }
/** Initializes this struct with the specified values. */
public ZDICTCoverParams set(
int k,
int d,
int steps,
int nbThreads,
ZDICTParams zParams
) {
k(k);
d(d);
steps(steps);
nbThreads(nbThreads);
zParams(zParams);
return this;
}
/**
* Copies the specified struct data to this struct.
*
* @param src the source struct
*
* @return this struct
*/
public ZDICTCoverParams set(ZDICTCoverParams src) {
memCopy(src.address(), address(), SIZEOF);
return this;
}
// -----------------------------------
/** Returns a new {@link ZDICTCoverParams} instance allocated with {@link MemoryUtil#memAlloc memAlloc}. The instance must be explicitly freed. */
public static ZDICTCoverParams malloc() {
return create(nmemAllocChecked(SIZEOF));
}
/** Returns a new {@link ZDICTCoverParams} instance allocated with {@link MemoryUtil#memCalloc memCalloc}. The instance must be explicitly freed. */
public static ZDICTCoverParams calloc() {
return create(nmemCallocChecked(1, SIZEOF));
}
/** Returns a new {@link ZDICTCoverParams} instance allocated with {@link BufferUtils}. */
public static ZDICTCoverParams create() {
return new ZDICTCoverParams(BufferUtils.createByteBuffer(SIZEOF));
}
/** Returns a new {@link ZDICTCoverParams} instance for the specified memory address. */
public static ZDICTCoverParams create(long address) {
return new ZDICTCoverParams(address, null);
}
/** Like {@link #create(long) create}, but returns {@code null} if {@code address} is {@code NULL}. */
@Nullable
public static ZDICTCoverParams createSafe(long address) {
return address == NULL ? null : create(address);
}
/**
* Returns a new {@link ZDICTCoverParams.Buffer} instance allocated with {@link MemoryUtil#memAlloc memAlloc}. The instance must be explicitly freed.
*
* @param capacity the buffer capacity
*/
public static ZDICTCoverParams.Buffer malloc(int capacity) {
return create(__malloc(capacity, SIZEOF), capacity);
}
/**
* Returns a new {@link ZDICTCoverParams.Buffer} instance allocated with {@link MemoryUtil#memCalloc memCalloc}. The instance must be explicitly freed.
*
* @param capacity the buffer capacity
*/
public static ZDICTCoverParams.Buffer calloc(int capacity) {
return create(nmemCallocChecked(capacity, SIZEOF), capacity);
}
/**
* Returns a new {@link ZDICTCoverParams.Buffer} instance allocated with {@link BufferUtils}.
*
* @param capacity the buffer capacity
*/
public static ZDICTCoverParams.Buffer create(int capacity) {
return new Buffer(__create(capacity, SIZEOF));
}
/**
* Create a {@link ZDICTCoverParams.Buffer} instance at the specified memory.
*
* @param address the memory address
* @param capacity the buffer capacity
*/
public static ZDICTCoverParams.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}. */
@Nullable
public static ZDICTCoverParams.Buffer createSafe(long address, int capacity) {
return address == NULL ? null : create(address, capacity);
}
// -----------------------------------
/** Returns a new {@link ZDICTCoverParams} instance allocated on the thread-local {@link MemoryStack}. */
public static ZDICTCoverParams mallocStack() {
return mallocStack(stackGet());
}
/** Returns a new {@link ZDICTCoverParams} instance allocated on the thread-local {@link MemoryStack} and initializes all its bits to zero. */
public static ZDICTCoverParams callocStack() {
return callocStack(stackGet());
}
/**
* Returns a new {@link ZDICTCoverParams} instance allocated on the specified {@link MemoryStack}.
*
* @param stack the stack from which to allocate
*/
public static ZDICTCoverParams mallocStack(MemoryStack stack) {
return create(stack.nmalloc(ALIGNOF, SIZEOF));
}
/**
* Returns a new {@link ZDICTCoverParams} instance allocated on the specified {@link MemoryStack} and initializes all its bits to zero.
*
* @param stack the stack from which to allocate
*/
public static ZDICTCoverParams callocStack(MemoryStack stack) {
return create(stack.ncalloc(ALIGNOF, 1, SIZEOF));
}
/**
* Returns a new {@link ZDICTCoverParams.Buffer} instance allocated on the thread-local {@link MemoryStack}.
*
* @param capacity the buffer capacity
*/
public static ZDICTCoverParams.Buffer mallocStack(int capacity) {
return mallocStack(capacity, stackGet());
}
/**
* Returns a new {@link ZDICTCoverParams.Buffer} instance allocated on the thread-local {@link MemoryStack} and initializes all its bits to zero.
*
* @param capacity the buffer capacity
*/
public static ZDICTCoverParams.Buffer callocStack(int capacity) {
return callocStack(capacity, stackGet());
}
/**
* Returns a new {@link ZDICTCoverParams.Buffer} instance allocated on the specified {@link MemoryStack}.
*
* @param stack the stack from which to allocate
* @param capacity the buffer capacity
*/
public static ZDICTCoverParams.Buffer mallocStack(int capacity, MemoryStack stack) {
return create(stack.nmalloc(ALIGNOF, capacity * SIZEOF), capacity);
}
/**
* Returns a new {@link ZDICTCoverParams.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 ZDICTCoverParams.Buffer callocStack(int capacity, MemoryStack stack) {
return create(stack.ncalloc(ALIGNOF, capacity, SIZEOF), capacity);
}
// -----------------------------------
/** Unsafe version of {@link #k}. */
public static int nk(long struct) { return memGetInt(struct + ZDICTCoverParams.K); }
/** Unsafe version of {@link #d}. */
public static int nd(long struct) { return memGetInt(struct + ZDICTCoverParams.D); }
/** Unsafe version of {@link #steps}. */
public static int nsteps(long struct) { return memGetInt(struct + ZDICTCoverParams.STEPS); }
/** Unsafe version of {@link #nbThreads}. */
public static int nnbThreads(long struct) { return memGetInt(struct + ZDICTCoverParams.NBTHREADS); }
/** Unsafe version of {@link #zParams}. */
public static ZDICTParams nzParams(long struct) { return ZDICTParams.create(struct + ZDICTCoverParams.ZPARAMS); }
/** Unsafe version of {@link #k(int) k}. */
public static void nk(long struct, int value) { memPutInt(struct + ZDICTCoverParams.K, value); }
/** Unsafe version of {@link #d(int) d}. */
public static void nd(long struct, int value) { memPutInt(struct + ZDICTCoverParams.D, value); }
/** Unsafe version of {@link #steps(int) steps}. */
public static void nsteps(long struct, int value) { memPutInt(struct + ZDICTCoverParams.STEPS, value); }
/** Unsafe version of {@link #nbThreads(int) nbThreads}. */
public static void nnbThreads(long struct, int value) { memPutInt(struct + ZDICTCoverParams.NBTHREADS, value); }
/** Unsafe version of {@link #zParams(ZDICTParams) zParams}. */
public static void nzParams(long struct, ZDICTParams value) { memCopy(value.address(), struct + ZDICTCoverParams.ZPARAMS, ZDICTParams.SIZEOF); }
// -----------------------------------
/** An array of {@link ZDICTCoverParams} structs. */
public static class Buffer extends StructBuffer implements NativeResource {
/**
* Creates a new {@link ZDICTCoverParams.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 ZDICTCoverParams#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 newBufferInstance(long address, @Nullable ByteBuffer container, int mark, int pos, int lim, int cap) {
return new Buffer(address, container, mark, pos, lim, cap);
}
@Override
protected ZDICTCoverParams newInstance(long address) {
return new ZDICTCoverParams(address, container);
}
@Override
public int sizeof() {
return SIZEOF;
}
/** Returns the value of the {@code k} field. */
@NativeType("unsigned")
public int k() { return ZDICTCoverParams.nk(address()); }
/** Returns the value of the {@code d} field. */
@NativeType("unsigned")
public int d() { return ZDICTCoverParams.nd(address()); }
/** Returns the value of the {@code steps} field. */
@NativeType("unsigned")
public int steps() { return ZDICTCoverParams.nsteps(address()); }
/** Returns the value of the {@code nbThreads} field. */
@NativeType("unsigned")
public int nbThreads() { return ZDICTCoverParams.nnbThreads(address()); }
/** Returns a {@link ZDICTParams} view of the {@code zParams} field. */
@NativeType("ZDICT_params_t")
public ZDICTParams zParams() { return ZDICTCoverParams.nzParams(address()); }
/** Passes the {@code zParams} field to the specified {@link java.util.function.Consumer Consumer}. */
public ZDICTCoverParams.Buffer zParams(java.util.function.Consumer consumer) { consumer.accept(zParams()); return this; }
/** Sets the specified value to the {@code k} field. */
public ZDICTCoverParams.Buffer k(@NativeType("unsigned") int value) { ZDICTCoverParams.nk(address(), value); return this; }
/** Sets the specified value to the {@code d} field. */
public ZDICTCoverParams.Buffer d(@NativeType("unsigned") int value) { ZDICTCoverParams.nd(address(), value); return this; }
/** Sets the specified value to the {@code steps} field. */
public ZDICTCoverParams.Buffer steps(@NativeType("unsigned") int value) { ZDICTCoverParams.nsteps(address(), value); return this; }
/** Sets the specified value to the {@code nbThreads} field. */
public ZDICTCoverParams.Buffer nbThreads(@NativeType("unsigned") int value) { ZDICTCoverParams.nnbThreads(address(), value); return this; }
/** Copies the specified {@link ZDICTParams} to the {@code zParams} field. */
public ZDICTCoverParams.Buffer zParams(@NativeType("ZDICT_params_t") ZDICTParams value) { ZDICTCoverParams.nzParams(address(), value); return this; }
}
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