com.littlekt.wgpu.WGPUConstantEntry Maven / Gradle / Ivy

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// Generated by jextract

package com.littlekt.wgpu;

import java.lang.invoke.*;
import java.lang.foreign.*;
import java.nio.ByteOrder;
import java.util.*;
import java.util.function.*;
import java.util.stream.*;

import static java.lang.foreign.ValueLayout.*;
import static java.lang.foreign.MemoryLayout.PathElement.*;

/**
 * {@snippet lang=c :
 * struct WGPUConstantEntry {
 *     const WGPUChainedStruct *nextInChain;
 *     const char *key;
 *     double value;
 * }
 * }
 */
public class WGPUConstantEntry {

    WGPUConstantEntry() {
        // Should not be called directly
    }

    private static final GroupLayout $LAYOUT = MemoryLayout.structLayout(
        WGPU.C_POINTER.withName("nextInChain"),
        WGPU.C_POINTER.withName("key"),
        WGPU.C_DOUBLE.withName("value")
    ).withName("WGPUConstantEntry");

    /**
     * The layout of this struct
     */
    public static final GroupLayout layout() {
        return $LAYOUT;
    }

    private static final AddressLayout nextInChain$LAYOUT = (AddressLayout)$LAYOUT.select(groupElement("nextInChain"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * const WGPUChainedStruct *nextInChain
     * }
     */
    public static final AddressLayout nextInChain$layout() {
        return nextInChain$LAYOUT;
    }

    private static final long nextInChain$OFFSET = 0;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * const WGPUChainedStruct *nextInChain
     * }
     */
    public static final long nextInChain$offset() {
        return nextInChain$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * const WGPUChainedStruct *nextInChain
     * }
     */
    public static MemorySegment nextInChain(MemorySegment struct) {
        return struct.get(nextInChain$LAYOUT, nextInChain$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * const WGPUChainedStruct *nextInChain
     * }
     */
    public static void nextInChain(MemorySegment struct, MemorySegment fieldValue) {
        struct.set(nextInChain$LAYOUT, nextInChain$OFFSET, fieldValue);
    }

    private static final AddressLayout key$LAYOUT = (AddressLayout)$LAYOUT.select(groupElement("key"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * const char *key
     * }
     */
    public static final AddressLayout key$layout() {
        return key$LAYOUT;
    }

    private static final long key$OFFSET = 8;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * const char *key
     * }
     */
    public static final long key$offset() {
        return key$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * const char *key
     * }
     */
    public static MemorySegment key(MemorySegment struct) {
        return struct.get(key$LAYOUT, key$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * const char *key
     * }
     */
    public static void key(MemorySegment struct, MemorySegment fieldValue) {
        struct.set(key$LAYOUT, key$OFFSET, fieldValue);
    }

    private static final OfDouble value$LAYOUT = (OfDouble)$LAYOUT.select(groupElement("value"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * double value
     * }
     */
    public static final OfDouble value$layout() {
        return value$LAYOUT;
    }

    private static final long value$OFFSET = 16;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * double value
     * }
     */
    public static final long value$offset() {
        return value$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * double value
     * }
     */
    public static double value(MemorySegment struct) {
        return struct.get(value$LAYOUT, value$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * double value
     * }
     */
    public static void value(MemorySegment struct, double fieldValue) {
        struct.set(value$LAYOUT, value$OFFSET, fieldValue);
    }

    /**
     * Obtains a slice of {@code arrayParam} which selects the array element at {@code index}.
     * The returned segment has address {@code arrayParam.address() + index * layout().byteSize()}
     */
    public static MemorySegment asSlice(MemorySegment array, long index) {
        return array.asSlice(layout().byteSize() * index);
    }

    /**
     * The size (in bytes) of this struct
     */
    public static long sizeof() { return layout().byteSize(); }

    /**
     * Allocate a segment of size {@code layout().byteSize()} using {@code allocator}
     */
    public static MemorySegment allocate(SegmentAllocator allocator) {
        return allocator.allocate(layout());
    }

    /**
     * Allocate an array of size {@code elementCount} using {@code allocator}.
     * The returned segment has size {@code elementCount * layout().byteSize()}.
     */
    public static MemorySegment allocateArray(long elementCount, SegmentAllocator allocator) {
        return allocator.allocate(MemoryLayout.sequenceLayout(elementCount, layout()));
    }

    /**
     * Reinterprets {@code addr} using target {@code arena} and {@code cleanupAction} (if any).
     * The returned segment has size {@code layout().byteSize()}
     */
    public static MemorySegment reinterpret(MemorySegment addr, Arena arena, Consumer cleanup) {
        return reinterpret(addr, 1, arena, cleanup);
    }

    /**
     * Reinterprets {@code addr} using target {@code arena} and {@code cleanupAction} (if any).
     * The returned segment has size {@code elementCount * layout().byteSize()}
     */
    public static MemorySegment reinterpret(MemorySegment addr, long elementCount, Arena arena, Consumer cleanup) {
        return addr.reinterpret(layout().byteSize() * elementCount, arena, cleanup);
    }
}