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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.
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/*
 * Copyright LWJGL. All rights reserved.
 * License terms: https://www.lwjgl.org/license
 * MACHINE GENERATED FILE, DO NOT EDIT
 */
package org.lwjgl.vulkan;

/**
 * {@code VK_KHR_maintenance2} adds a collection of minor features that were intentionally left out or overlooked from the original Vulkan 1.0 release.
 * 
 * The new features are as follows:
 * 
 * 
 * Allow the application to specify which aspect of an input attachment might be read for a given subpass.
 * Allow implementations to express the clipping behavior of points.
 * Allow creating images with usage flags that may not be supported for the base image’s format, but are supported for image views of the image that have a different but compatible format.
 * Allow creating uncompressed image views of compressed images.
 * Allow the application to select between an upper-left and lower-left origin for the tessellation domain space.
 * Adds two new image layouts for depth stencil images to allow either the depth or stencil aspect to be read-only while the other aspect is writable.
 * 
 * 
 * Input Attachment Specification
 * 
 * Input attachment specification allows an application to specify which aspect of a multi-aspect image (e.g. a combined depth stencil format) will be accessed via a {@code subpassLoad} operation.
 * 
 * On some implementations there may be a performance penalty if the implementation does not know (at {@link VK10#vkCreateRenderPass CreateRenderPass} time) which aspect(s) of multi-aspect images can be be accessed as input attachments.
 * 
 * Input Attachment Specification Example
 * 
 * Consider the case where a render pass has two subpasses and two attachments.
 * 
 * Attachment 0 has the format {@link VK10#VK_FORMAT_D24_UNORM_S8_UINT FORMAT_D24_UNORM_S8_UINT}, attachment 1 has some color format.
 * 
 * Subpass 0 writes to attachment 0, subpass 1 reads only the depth information from attachment 0 (using inputAttachmentRead) and writes to attachment 1.
 * 
 *  *     VkInputAttachmentAspectReferenceKHR references[] = {
 *         {
 *             .subpass = 1,
 *             .inputAttachment = 0,
 *             .aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT
 *         }
 *     };
 * 
 *     VkRenderPassInputAttachmentAspectCreateInfoKHR specifyAspects = {
 *         .sType = VK_STRUCTURE_TYPE_RENDER_PASS_INPUT_ATTACHMENT_ASPECT_CREATE_INFO_KHR,
 *         .pNext = NULL,
 *         .aspectReferenceCount = 1,
 *         .pAspectReferences = references
 *     };
 * 
 * 
 *     VkRenderPassCreateInfo createInfo = {
 *         ...
 *         .pNext = &specifyAspects,
 *         ...
 *     }
 * 
 *     vkCreateRenderPass(...);
 * 
 * 
 * Name String
 * {@code VK_KHR_maintenance2}
 * Extension Type
 * Device extension
 * Registered Extension Number
 * 118
 * Revision
 * 1
 * Extension and Version Dependencies
 * 
 * Requires Vulkan 1.0
 * 
 * Contact
 * 
 * Michael Worcester @michaelworcester
 * 
 * Last Modified Date
 * 2017-04-28
 * Contributors
 * 
 * Michael Worcester, Imagination Technologies
 * Stuart Smith, Imagination Technologies
 * Jeff Bolz, NVIDIA
 * Daniel Koch, NVIDIA
 * Jan-Harald Fredriksen, ARM
 * Daniel Rakos, AMD
 * Neil Henning, Codeplay
 * Piers Daniell, NVIDIA
 * 
 * 
 */
public final class KHRMaintenance2 {

    /** The extension specification version. */
    public static final int VK_KHR_MAINTENANCE2_SPEC_VERSION = 1;

    /** The extension name. */
    public static final String VK_KHR_MAINTENANCE2_EXTENSION_NAME = "VK_KHR_maintenance2";

    /**
     * Extends {@code VkImageCreateFlagBits}.
     * 
     * Enum values:
     * 
     * 
     * {@link #VK_IMAGE_CREATE_BLOCK_TEXEL_VIEW_COMPATIBLE_BIT_KHR IMAGE_CREATE_BLOCK_TEXEL_VIEW_COMPATIBLE_BIT_KHR}
     * {@link #VK_IMAGE_CREATE_EXTENDED_USAGE_BIT_KHR IMAGE_CREATE_EXTENDED_USAGE_BIT_KHR}
     * 
     */
    public static final int
        VK_IMAGE_CREATE_BLOCK_TEXEL_VIEW_COMPATIBLE_BIT_KHR = 0x80,
        VK_IMAGE_CREATE_EXTENDED_USAGE_BIT_KHR              = 0x100;

    /**
     * Extends {@code VkStructureType}.
     * 
     * Enum values:
     * 
     * 
     * {@link #VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_POINT_CLIPPING_PROPERTIES_KHR STRUCTURE_TYPE_PHYSICAL_DEVICE_POINT_CLIPPING_PROPERTIES_KHR}
     * {@link #VK_STRUCTURE_TYPE_RENDER_PASS_INPUT_ATTACHMENT_ASPECT_CREATE_INFO_KHR STRUCTURE_TYPE_RENDER_PASS_INPUT_ATTACHMENT_ASPECT_CREATE_INFO_KHR}
     * {@link #VK_STRUCTURE_TYPE_IMAGE_VIEW_USAGE_CREATE_INFO_KHR STRUCTURE_TYPE_IMAGE_VIEW_USAGE_CREATE_INFO_KHR}
     * {@link #VK_STRUCTURE_TYPE_PIPELINE_TESSELLATION_DOMAIN_ORIGIN_STATE_CREATE_INFO_KHR STRUCTURE_TYPE_PIPELINE_TESSELLATION_DOMAIN_ORIGIN_STATE_CREATE_INFO_KHR}
     * 
     */
    public static final int
        VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_POINT_CLIPPING_PROPERTIES_KHR             = 1000117000,
        VK_STRUCTURE_TYPE_RENDER_PASS_INPUT_ATTACHMENT_ASPECT_CREATE_INFO_KHR       = 1000117001,
        VK_STRUCTURE_TYPE_IMAGE_VIEW_USAGE_CREATE_INFO_KHR                          = 1000117002,
        VK_STRUCTURE_TYPE_PIPELINE_TESSELLATION_DOMAIN_ORIGIN_STATE_CREATE_INFO_KHR = 1000117003;

    /**
     * Extends {@code VkImageLayout}.
     * 
     * Enum values:
     * 
     * 
     * {@link #VK_IMAGE_LAYOUT_DEPTH_READ_ONLY_STENCIL_ATTACHMENT_OPTIMAL_KHR IMAGE_LAYOUT_DEPTH_READ_ONLY_STENCIL_ATTACHMENT_OPTIMAL_KHR}
     * {@link #VK_IMAGE_LAYOUT_DEPTH_ATTACHMENT_STENCIL_READ_ONLY_OPTIMAL_KHR IMAGE_LAYOUT_DEPTH_ATTACHMENT_STENCIL_READ_ONLY_OPTIMAL_KHR}
     * 
     */
    public static final int
        VK_IMAGE_LAYOUT_DEPTH_READ_ONLY_STENCIL_ATTACHMENT_OPTIMAL_KHR = 1000117000,
        VK_IMAGE_LAYOUT_DEPTH_ATTACHMENT_STENCIL_READ_ONLY_OPTIMAL_KHR = 1000117001;

    /**
     * VkPointClippingBehaviorKHR - Enum specifying the point clipping behaviour
     * 
     * Description
     * 
     * 
     * {@link #VK_POINT_CLIPPING_BEHAVIOR_ALL_CLIP_PLANES_KHR POINT_CLIPPING_BEHAVIOR_ALL_CLIP_PLANES_KHR} specifies that the primitive is discarded if the vertex lies outside any clip plane, including the planes bounding the view volume.
     * {@link #VK_POINT_CLIPPING_BEHAVIOR_USER_CLIP_PLANES_ONLY_KHR POINT_CLIPPING_BEHAVIOR_USER_CLIP_PLANES_ONLY_KHR} specifies that the primitive is discarded only if the vertex lies outside any user clip plane.
     * 
     * 
     * See Also
     * 
     * {@link VkPhysicalDevicePointClippingPropertiesKHR}
     */
    public static final int
        VK_POINT_CLIPPING_BEHAVIOR_ALL_CLIP_PLANES_KHR       = 0,
        VK_POINT_CLIPPING_BEHAVIOR_USER_CLIP_PLANES_ONLY_KHR = 1;

    /**
     * VkTessellationDomainOriginKHR - Enum describing tessellation domain origin
     * 
     * Description
     * 
     * 
     * {@link #VK_TESSELLATION_DOMAIN_ORIGIN_UPPER_LEFT_KHR TESSELLATION_DOMAIN_ORIGIN_UPPER_LEFT_KHR} indicates that the origin of the domain space is in the upper left corner, as shown in figure Domain parameterization for tessellation primitive modes (upper-left origin).
     * {@link #VK_TESSELLATION_DOMAIN_ORIGIN_LOWER_LEFT_KHR TESSELLATION_DOMAIN_ORIGIN_LOWER_LEFT_KHR} indicates that the origin of the domain space is in the lower left corner, as shown in figure Domain parameterization for tessellation primitive modes (lower-left origin).
     * 
     * 
     * This enum affects how the {@code VertexOrderCw} and {@code VertexOrderCcw} tessellation execution modes are interpreted, since the winding is defined relative to the orientation of the domain.
     * 
     * See Also
     * 
     * {@link VkPipelineTessellationDomainOriginStateCreateInfoKHR}
     */
    public static final int
        VK_TESSELLATION_DOMAIN_ORIGIN_UPPER_LEFT_KHR = 0,
        VK_TESSELLATION_DOMAIN_ORIGIN_LOWER_LEFT_KHR = 1;

    private KHRMaintenance2() {}

}