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A new generation graphics and compute API that provides high-efficiency, cross-platform access to modern GPUs used in a wide variety of devices from PCs and consoles to mobile phones and embedded platforms.
/*
* Copyright LWJGL. All rights reserved.
* License terms: https://www.lwjgl.org/license
* MACHINE GENERATED FILE, DO NOT EDIT
*/
package org.lwjgl.vulkan;
import java.nio.*;
import org.lwjgl.*;
import org.lwjgl.system.*;
import static org.lwjgl.system.MemoryUtil.*;
import static org.lwjgl.system.MemoryStack.*;
/**
* Structure specifying memory requirements.
*
* Member documentation
*
*
* - {@code size} – the size, in bytes, of the memory allocation required: for the resource.
* - {@code alignment} – the alignment, in bytes, of the offset within the allocation required: for the resource.
* - {@code memoryTypeBits} – a bitmask and contains one bit set for every supported memory type for the resource. Bit {@code i} is set if and only if the memory type {@code i} in the {@link VkPhysicalDeviceMemoryProperties} structure for the physical device is supported for the resource.
*
*
* Layout
*
* struct VkMemoryRequirements {
VkDeviceSize size;
VkDeviceSize alignment;
uint32_t memoryTypeBits;
}
*/
public class VkMemoryRequirements 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
SIZE,
ALIGNMENT,
MEMORYTYPEBITS;
static {
Layout layout = __struct(
__member(8),
__member(8),
__member(4)
);
SIZEOF = layout.getSize();
ALIGNOF = layout.getAlignment();
SIZE = layout.offsetof(0);
ALIGNMENT = layout.offsetof(1);
MEMORYTYPEBITS = layout.offsetof(2);
}
VkMemoryRequirements(long address, ByteBuffer container) {
super(address, container);
}
/**
* Creates a {@link VkMemoryRequirements} 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 VkMemoryRequirements(ByteBuffer container) {
this(memAddress(container), checkContainer(container, SIZEOF));
}
@Override
public int sizeof() { return SIZEOF; }
/** Returns the value of the {@code size} field. */
public long size() { return nsize(address()); }
/** Returns the value of the {@code alignment} field. */
public long alignment() { return nalignment(address()); }
/** Returns the value of the {@code memoryTypeBits} field. */
public int memoryTypeBits() { return nmemoryTypeBits(address()); }
// -----------------------------------
/** Returns a new {@link VkMemoryRequirements} instance allocated with {@link MemoryUtil#memAlloc memAlloc}. The instance must be explicitly freed. */
public static VkMemoryRequirements malloc() {
return create(nmemAlloc(SIZEOF));
}
/** Returns a new {@link VkMemoryRequirements} instance allocated with {@link MemoryUtil#memCalloc memCalloc}. The instance must be explicitly freed. */
public static VkMemoryRequirements calloc() {
return create(nmemCalloc(1, SIZEOF));
}
/** Returns a new {@link VkMemoryRequirements} instance allocated with {@link BufferUtils}. */
public static VkMemoryRequirements create() {
return new VkMemoryRequirements(BufferUtils.createByteBuffer(SIZEOF));
}
/** Returns a new {@link VkMemoryRequirements} instance for the specified memory address or {@code null} if the address is {@code NULL}. */
public static VkMemoryRequirements create(long address) {
return address == NULL ? null : new VkMemoryRequirements(address, null);
}
/**
* Returns a new {@link VkMemoryRequirements.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 VkMemoryRequirements.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 VkMemoryRequirements.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 VkMemoryRequirements.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 VkMemoryRequirements} instance allocated on the thread-local {@link MemoryStack}. */
public static VkMemoryRequirements mallocStack() {
return mallocStack(stackGet());
}
/** Returns a new {@link VkMemoryRequirements} instance allocated on the thread-local {@link MemoryStack} and initializes all its bits to zero. */
public static VkMemoryRequirements callocStack() {
return callocStack(stackGet());
}
/**
* Returns a new {@link VkMemoryRequirements} instance allocated on the specified {@link MemoryStack}.
*
* @param stack the stack from which to allocate
*/
public static VkMemoryRequirements mallocStack(MemoryStack stack) {
return create(stack.nmalloc(ALIGNOF, SIZEOF));
}
/**
* Returns a new {@link VkMemoryRequirements} instance allocated on the specified {@link MemoryStack} and initializes all its bits to zero.
*
* @param stack the stack from which to allocate
*/
public static VkMemoryRequirements callocStack(MemoryStack stack) {
return create(stack.ncalloc(ALIGNOF, 1, SIZEOF));
}
/**
* Returns a new {@link VkMemoryRequirements.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 VkMemoryRequirements.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 VkMemoryRequirements.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 VkMemoryRequirements.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 #size}. */
public static long nsize(long struct) { return memGetLong(struct + VkMemoryRequirements.SIZE); }
/** Unsafe version of {@link #alignment}. */
public static long nalignment(long struct) { return memGetLong(struct + VkMemoryRequirements.ALIGNMENT); }
/** Unsafe version of {@link #memoryTypeBits}. */
public static int nmemoryTypeBits(long struct) { return memGetInt(struct + VkMemoryRequirements.MEMORYTYPEBITS); }
// -----------------------------------
/** An array of {@link VkMemoryRequirements} structs. */
public static class Buffer extends StructBuffer implements NativeResource {
/**
* Creates a new {@link VkMemoryRequirements.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 VkMemoryRequirements#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 VkMemoryRequirements newInstance(long address) {
return new VkMemoryRequirements(address, container);
}
@Override
protected int sizeof() {
return SIZEOF;
}
/** Returns the value of the {@code size} field. */
public long size() { return VkMemoryRequirements.nsize(address()); }
/** Returns the value of the {@code alignment} field. */
public long alignment() { return VkMemoryRequirements.nalignment(address()); }
/** Returns the value of the {@code memoryTypeBits} field. */
public int memoryTypeBits() { return VkMemoryRequirements.nmemoryTypeBits(address()); }
}
}