vk_helpers.h

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// Copyright 2019-2023, Collabora, Ltd.
// SPDX-License-Identifier: BSL-1.0
/*!
 * @file
 * @brief  Common Vulkan code header.
 *
 * Note that some sections of this are generated
 * by `scripts/generate_vk_helpers.py` - lists of functions
 * and of optional extensions to check for. In those,
 * please update the script and run it, instead of editing
 * directly in this file. The generated parts are delimited
 * by special comments.
 *
 * @author Jakob Bornecrantz <jakob@collabora.com>
 * @author Lubosz Sarnecki <lubosz.sarnecki@collabora.com>
 * @author Moses Turner <moses@collabora.com>
 * @ingroup aux_vk
 */
 
#pragma once
 
#include "xrt/xrt_compiler.h"
#include "xrt/xrt_compositor.h"
#include "xrt/xrt_vulkan_includes.h"
#include "xrt/xrt_handles.h"
#include "util/u_logging.h"
#include "util/u_string_list.h"
#include "os/os_threading.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
 
/*
 *
 * Structs
 *
 */
 
/*!
 * A bundle of Vulkan functions and objects, used by both @ref comp and @ref
 * comp_client. Note that they both have different instances of the object, and
 * thus different VkInstance, etc.
 *
 * @ingroup aux_vk
 */
struct vk_bundle
{
        enum u_logging_level log_level;
 
        VkInstance instance;
        uint32_t version;
        VkPhysicalDevice physical_device;
        int physical_device_index;
        VkDevice device;
        uint32_t queue_family_index;
        uint32_t queue_index;
        VkQueue queue;
#if defined(VK_KHR_video_encode_queue)
        uint32_t encode_queue_family_index;
        uint32_t encode_queue_index;
        VkQueue encode_queue;
#endif
 
        struct os_mutex queue_mutex;
 
        struct
        {
#if defined(XRT_GRAPHICS_BUFFER_HANDLE_IS_WIN32_HANDLE)
                bool color_image_import_opaque_win32;
                bool color_image_export_opaque_win32;
                bool depth_image_import_opaque_win32;
                bool depth_image_export_opaque_win32;
 
                bool color_image_import_d3d11;
                bool color_image_export_d3d11;
                bool depth_image_import_d3d11;
                bool depth_image_export_d3d11;
 
#elif defined(XRT_GRAPHICS_BUFFER_HANDLE_IS_FD)
                bool color_image_import_opaque_fd;
                bool color_image_export_opaque_fd;
                bool depth_image_import_opaque_fd;
                bool depth_image_export_opaque_fd;
 
#elif defined(XRT_GRAPHICS_BUFFER_HANDLE_IS_AHARDWAREBUFFER)
                bool color_image_import_opaque_fd;
                bool color_image_export_opaque_fd;
                bool depth_image_import_opaque_fd;
                bool depth_image_export_opaque_fd;
 
                bool color_image_import_ahardwarebuffer;
                bool color_image_export_ahardwarebuffer;
                bool depth_image_import_ahardwarebuffer;
                bool depth_image_export_ahardwarebuffer;
#endif
 
#if defined(XRT_GRAPHICS_SYNC_HANDLE_IS_FD)
                bool fence_sync_fd;
                bool fence_opaque_fd;
 
                bool binary_semaphore_sync_fd;
                bool binary_semaphore_opaque_fd;
 
                bool timeline_semaphore_sync_fd;
                bool timeline_semaphore_opaque_fd;
#elif defined(XRT_GRAPHICS_SYNC_HANDLE_IS_WIN32_HANDLE)
                bool fence_win32_handle;
 
                bool binary_semaphore_d3d12_fence;
                bool binary_semaphore_win32_handle;
 
                bool timeline_semaphore_d3d12_fence;
                bool timeline_semaphore_win32_handle;
#else
#error "Need port for fence sync handles checkers"
#endif
        } external;
 
        // beginning of GENERATED instance extension code - do not modify - used by scripts
        bool has_EXT_display_surface_counter;
        bool has_EXT_swapchain_colorspace;
        bool has_EXT_debug_utils;
        // end of GENERATED instance extension code - do not modify - used by scripts
 
        // beginning of GENERATED device extension code - do not modify - used by scripts
        bool has_KHR_external_fence_fd;
        bool has_KHR_external_semaphore_fd;
        bool has_KHR_format_feature_flags2;
        bool has_KHR_global_priority;
        bool has_KHR_image_format_list;
        bool has_KHR_maintenance1;
        bool has_KHR_maintenance2;
        bool has_KHR_maintenance3;
        bool has_KHR_maintenance4;
        bool has_KHR_synchronization2;
        bool has_KHR_timeline_semaphore;
        bool has_EXT_calibrated_timestamps;
        bool has_EXT_display_control;
        bool has_EXT_external_memory_dma_buf;
        bool has_EXT_global_priority;
        bool has_EXT_image_drm_format_modifier;
        bool has_EXT_robustness2;
        bool has_GOOGLE_display_timing;
        // end of GENERATED device extension code - do not modify - used by scripts
 
        struct
        {
                //! Are timestamps available for compute and graphics queues?
                bool timestamp_compute_and_graphics;
 
                //! Nanoseconds per gpu tick.
                float timestamp_period;
 
                //! Valid bits in the queue selected.
                uint32_t timestamp_valid_bits;
 
                //! Were timeline semaphore requested, available, and enabled?
                bool timeline_semaphore;
 
                //! Per stage limit on sampled images (includes combined).
                uint32_t max_per_stage_descriptor_sampled_images;
 
                //! Per stage limit on storage images.
                uint32_t max_per_stage_descriptor_storage_images;
 
                //! Was synchronization2 requested, available, and enabled?
                bool synchronization_2;
        } features;
 
        //! Is the GPU a tegra device.
        bool is_tegra;
 
 
        VkDebugReportCallbackEXT debug_report_cb;
 
        VkPhysicalDeviceMemoryProperties device_memory_props;
 
        // Loader functions
        PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr;
        PFN_vkCreateInstance vkCreateInstance;
        PFN_vkEnumerateInstanceExtensionProperties vkEnumerateInstanceExtensionProperties;
 
        // beginning of GENERATED instance loader code - do not modify - used by scripts
        PFN_vkDestroyInstance vkDestroyInstance;
        PFN_vkGetDeviceProcAddr vkGetDeviceProcAddr;
        PFN_vkCreateDevice vkCreateDevice;
        PFN_vkDestroySurfaceKHR vkDestroySurfaceKHR;
 
        PFN_vkCreateDebugReportCallbackEXT vkCreateDebugReportCallbackEXT;
        PFN_vkDestroyDebugReportCallbackEXT vkDestroyDebugReportCallbackEXT;
 
        PFN_vkEnumeratePhysicalDevices vkEnumeratePhysicalDevices;
        PFN_vkGetPhysicalDeviceProperties vkGetPhysicalDeviceProperties;
        PFN_vkGetPhysicalDeviceProperties2 vkGetPhysicalDeviceProperties2;
        PFN_vkGetPhysicalDeviceFeatures2 vkGetPhysicalDeviceFeatures2;
        PFN_vkGetPhysicalDeviceMemoryProperties vkGetPhysicalDeviceMemoryProperties;
        PFN_vkGetPhysicalDeviceQueueFamilyProperties vkGetPhysicalDeviceQueueFamilyProperties;
        PFN_vkGetPhysicalDeviceSurfaceCapabilitiesKHR vkGetPhysicalDeviceSurfaceCapabilitiesKHR;
        PFN_vkGetPhysicalDeviceSurfaceFormatsKHR vkGetPhysicalDeviceSurfaceFormatsKHR;
        PFN_vkGetPhysicalDeviceSurfacePresentModesKHR vkGetPhysicalDeviceSurfacePresentModesKHR;
        PFN_vkGetPhysicalDeviceSurfaceSupportKHR vkGetPhysicalDeviceSurfaceSupportKHR;
        PFN_vkGetPhysicalDeviceFormatProperties vkGetPhysicalDeviceFormatProperties;
        PFN_vkGetPhysicalDeviceFormatProperties2KHR vkGetPhysicalDeviceFormatProperties2;
        PFN_vkGetPhysicalDeviceImageFormatProperties2 vkGetPhysicalDeviceImageFormatProperties2;
        PFN_vkGetPhysicalDeviceExternalBufferPropertiesKHR vkGetPhysicalDeviceExternalBufferPropertiesKHR;
        PFN_vkGetPhysicalDeviceExternalFencePropertiesKHR vkGetPhysicalDeviceExternalFencePropertiesKHR;
        PFN_vkGetPhysicalDeviceExternalSemaphorePropertiesKHR vkGetPhysicalDeviceExternalSemaphorePropertiesKHR;
        PFN_vkEnumerateDeviceExtensionProperties vkEnumerateDeviceExtensionProperties;
        PFN_vkEnumerateDeviceLayerProperties vkEnumerateDeviceLayerProperties;
 
#if defined(VK_EXT_calibrated_timestamps)
        PFN_vkGetPhysicalDeviceCalibrateableTimeDomainsEXT vkGetPhysicalDeviceCalibrateableTimeDomainsEXT;
 
#endif // defined(VK_EXT_calibrated_timestamps)
 
#if defined(VK_USE_PLATFORM_DISPLAY_KHR)
        PFN_vkCreateDisplayPlaneSurfaceKHR vkCreateDisplayPlaneSurfaceKHR;
        PFN_vkGetDisplayPlaneCapabilitiesKHR vkGetDisplayPlaneCapabilitiesKHR;
        PFN_vkGetPhysicalDeviceDisplayPropertiesKHR vkGetPhysicalDeviceDisplayPropertiesKHR;
        PFN_vkGetPhysicalDeviceDisplayPlanePropertiesKHR vkGetPhysicalDeviceDisplayPlanePropertiesKHR;
        PFN_vkGetDisplayModePropertiesKHR vkGetDisplayModePropertiesKHR;
        PFN_vkReleaseDisplayEXT vkReleaseDisplayEXT;
 
#endif // defined(VK_USE_PLATFORM_DISPLAY_KHR)
 
#if defined(VK_USE_PLATFORM_XCB_KHR)
        PFN_vkCreateXcbSurfaceKHR vkCreateXcbSurfaceKHR;
 
#endif // defined(VK_USE_PLATFORM_XCB_KHR)
 
#if defined(VK_USE_PLATFORM_WAYLAND_KHR)
        PFN_vkCreateWaylandSurfaceKHR vkCreateWaylandSurfaceKHR;
 
#endif // defined(VK_USE_PLATFORM_WAYLAND_KHR)
 
#if defined(VK_USE_PLATFORM_WAYLAND_KHR) && defined(VK_EXT_acquire_drm_display)
        PFN_vkAcquireDrmDisplayEXT vkAcquireDrmDisplayEXT;
        PFN_vkGetDrmDisplayEXT vkGetDrmDisplayEXT;
 
#endif // defined(VK_USE_PLATFORM_WAYLAND_KHR) && defined(VK_EXT_acquire_drm_display)
 
#if defined(VK_USE_PLATFORM_XLIB_XRANDR_EXT)
        PFN_vkGetRandROutputDisplayEXT vkGetRandROutputDisplayEXT;
        PFN_vkAcquireXlibDisplayEXT vkAcquireXlibDisplayEXT;
 
#endif // defined(VK_USE_PLATFORM_XLIB_XRANDR_EXT)
 
#if defined(VK_USE_PLATFORM_ANDROID_KHR)
        PFN_vkCreateAndroidSurfaceKHR vkCreateAndroidSurfaceKHR;
 
#endif // defined(VK_USE_PLATFORM_ANDROID_KHR)
 
#if defined(VK_USE_PLATFORM_WIN32_KHR)
        PFN_vkCreateWin32SurfaceKHR vkCreateWin32SurfaceKHR;
 
#endif // defined(VK_USE_PLATFORM_WIN32_KHR)
 
#if defined(VK_EXT_display_surface_counter)
        PFN_vkGetPhysicalDeviceSurfaceCapabilities2EXT vkGetPhysicalDeviceSurfaceCapabilities2EXT;
 
#endif // defined(VK_EXT_display_surface_counter)
 
#if defined(VK_EXT_debug_utils)
        PFN_vkCreateDebugUtilsMessengerEXT vkCreateDebugUtilsMessengerEXT;
        PFN_vkSubmitDebugUtilsMessageEXT vkSubmitDebugUtilsMessageEXT;
        PFN_vkDestroyDebugUtilsMessengerEXT vkDestroyDebugUtilsMessengerEXT;
#endif // defined(VK_EXT_debug_utils)
 
        // end of GENERATED instance loader code - do not modify - used by scripts
 
        // beginning of GENERATED device loader code - do not modify - used by scripts
        PFN_vkDestroyDevice vkDestroyDevice;
        PFN_vkDeviceWaitIdle vkDeviceWaitIdle;
        PFN_vkAllocateMemory vkAllocateMemory;
        PFN_vkFreeMemory vkFreeMemory;
        PFN_vkMapMemory vkMapMemory;
        PFN_vkUnmapMemory vkUnmapMemory;
 
        PFN_vkCreateBuffer vkCreateBuffer;
        PFN_vkDestroyBuffer vkDestroyBuffer;
        PFN_vkBindBufferMemory vkBindBufferMemory;
 
        PFN_vkCreateImage vkCreateImage;
        PFN_vkDestroyImage vkDestroyImage;
        PFN_vkBindImageMemory vkBindImageMemory;
 
        PFN_vkGetBufferMemoryRequirements vkGetBufferMemoryRequirements;
        PFN_vkFlushMappedMemoryRanges vkFlushMappedMemoryRanges;
        PFN_vkGetImageMemoryRequirements vkGetImageMemoryRequirements;
        PFN_vkGetImageMemoryRequirements2KHR vkGetImageMemoryRequirements2;
        PFN_vkGetImageSubresourceLayout vkGetImageSubresourceLayout;
 
        PFN_vkCreateImageView vkCreateImageView;
        PFN_vkDestroyImageView vkDestroyImageView;
 
        PFN_vkCreateSampler vkCreateSampler;
        PFN_vkDestroySampler vkDestroySampler;
 
        PFN_vkCreateShaderModule vkCreateShaderModule;
        PFN_vkDestroyShaderModule vkDestroyShaderModule;
 
        PFN_vkCreateQueryPool vkCreateQueryPool;
        PFN_vkDestroyQueryPool vkDestroyQueryPool;
        PFN_vkGetQueryPoolResults vkGetQueryPoolResults;
 
        PFN_vkCreateCommandPool vkCreateCommandPool;
        PFN_vkDestroyCommandPool vkDestroyCommandPool;
        PFN_vkResetCommandPool vkResetCommandPool;
 
        PFN_vkAllocateCommandBuffers vkAllocateCommandBuffers;
        PFN_vkBeginCommandBuffer vkBeginCommandBuffer;
        PFN_vkCmdBeginQuery vkCmdBeginQuery;
        PFN_vkCmdCopyQueryPoolResults vkCmdCopyQueryPoolResults;
        PFN_vkCmdEndQuery vkCmdEndQuery;
        PFN_vkCmdResetQueryPool vkCmdResetQueryPool;
        PFN_vkCmdWriteTimestamp vkCmdWriteTimestamp;
        PFN_vkCmdPipelineBarrier vkCmdPipelineBarrier;
        PFN_vkCmdBeginRenderPass vkCmdBeginRenderPass;
        PFN_vkCmdSetScissor vkCmdSetScissor;
        PFN_vkCmdSetViewport vkCmdSetViewport;
        PFN_vkCmdClearColorImage vkCmdClearColorImage;
        PFN_vkCmdEndRenderPass vkCmdEndRenderPass;
        PFN_vkCmdBindDescriptorSets vkCmdBindDescriptorSets;
        PFN_vkCmdBindPipeline vkCmdBindPipeline;
        PFN_vkCmdBindVertexBuffers vkCmdBindVertexBuffers;
        PFN_vkCmdBindIndexBuffer vkCmdBindIndexBuffer;
        PFN_vkCmdDraw vkCmdDraw;
        PFN_vkCmdDrawIndexed vkCmdDrawIndexed;
        PFN_vkCmdDispatch vkCmdDispatch;
        PFN_vkCmdCopyBuffer vkCmdCopyBuffer;
        PFN_vkCmdCopyBufferToImage vkCmdCopyBufferToImage;
        PFN_vkCmdCopyImage vkCmdCopyImage;
        PFN_vkCmdCopyImageToBuffer vkCmdCopyImageToBuffer;
        PFN_vkCmdBlitImage vkCmdBlitImage;
        PFN_vkCmdPushConstants vkCmdPushConstants;
        PFN_vkEndCommandBuffer vkEndCommandBuffer;
        PFN_vkFreeCommandBuffers vkFreeCommandBuffers;
 
        PFN_vkCreateRenderPass vkCreateRenderPass;
        PFN_vkDestroyRenderPass vkDestroyRenderPass;
 
        PFN_vkCreateFramebuffer vkCreateFramebuffer;
        PFN_vkDestroyFramebuffer vkDestroyFramebuffer;
 
        PFN_vkCreatePipelineCache vkCreatePipelineCache;
        PFN_vkDestroyPipelineCache vkDestroyPipelineCache;
 
        PFN_vkResetDescriptorPool vkResetDescriptorPool;
        PFN_vkCreateDescriptorPool vkCreateDescriptorPool;
        PFN_vkDestroyDescriptorPool vkDestroyDescriptorPool;
 
        PFN_vkAllocateDescriptorSets vkAllocateDescriptorSets;
        PFN_vkFreeDescriptorSets vkFreeDescriptorSets;
 
        PFN_vkCreateComputePipelines vkCreateComputePipelines;
        PFN_vkCreateGraphicsPipelines vkCreateGraphicsPipelines;
        PFN_vkDestroyPipeline vkDestroyPipeline;
 
        PFN_vkCreatePipelineLayout vkCreatePipelineLayout;
        PFN_vkDestroyPipelineLayout vkDestroyPipelineLayout;
 
        PFN_vkCreateDescriptorSetLayout vkCreateDescriptorSetLayout;
        PFN_vkUpdateDescriptorSets vkUpdateDescriptorSets;
        PFN_vkDestroyDescriptorSetLayout vkDestroyDescriptorSetLayout;
 
        PFN_vkGetDeviceQueue vkGetDeviceQueue;
        PFN_vkQueueSubmit vkQueueSubmit;
        PFN_vkQueueWaitIdle vkQueueWaitIdle;
 
        PFN_vkCreateSemaphore vkCreateSemaphore;
#if defined(VK_KHR_timeline_semaphore)
        PFN_vkSignalSemaphoreKHR vkSignalSemaphore;
        PFN_vkWaitSemaphoresKHR vkWaitSemaphores;
        PFN_vkGetSemaphoreCounterValueKHR vkGetSemaphoreCounterValue;
#endif // defined(VK_KHR_timeline_semaphore)
 
        PFN_vkDestroySemaphore vkDestroySemaphore;
 
        PFN_vkCreateFence vkCreateFence;
        PFN_vkWaitForFences vkWaitForFences;
        PFN_vkGetFenceStatus vkGetFenceStatus;
        PFN_vkDestroyFence vkDestroyFence;
        PFN_vkResetFences vkResetFences;
 
        PFN_vkCreateSwapchainKHR vkCreateSwapchainKHR;
        PFN_vkDestroySwapchainKHR vkDestroySwapchainKHR;
        PFN_vkGetSwapchainImagesKHR vkGetSwapchainImagesKHR;
        PFN_vkAcquireNextImageKHR vkAcquireNextImageKHR;
        PFN_vkQueuePresentKHR vkQueuePresentKHR;
 
#if defined(VK_USE_PLATFORM_WIN32_KHR)
        PFN_vkGetMemoryWin32HandleKHR vkGetMemoryWin32HandleKHR;
        PFN_vkGetFenceWin32HandleKHR vkGetFenceWin32HandleKHR;
        PFN_vkGetSemaphoreWin32HandleKHR vkGetSemaphoreWin32HandleKHR;
        PFN_vkImportFenceWin32HandleKHR vkImportFenceWin32HandleKHR;
        PFN_vkImportSemaphoreWin32HandleKHR vkImportSemaphoreWin32HandleKHR;
 
#endif // defined(VK_USE_PLATFORM_WIN32_KHR)
 
#if !defined(VK_USE_PLATFORM_WIN32_KHR)
        PFN_vkGetMemoryFdKHR vkGetMemoryFdKHR;
        PFN_vkGetFenceFdKHR vkGetFenceFdKHR;
        PFN_vkGetSemaphoreFdKHR vkGetSemaphoreFdKHR;
        PFN_vkImportFenceFdKHR vkImportFenceFdKHR;
        PFN_vkImportSemaphoreFdKHR vkImportSemaphoreFdKHR;
 
#endif // !defined(VK_USE_PLATFORM_WIN32_KHR)
 
#if defined(VK_USE_PLATFORM_ANDROID_KHR)
        PFN_vkGetMemoryAndroidHardwareBufferANDROID vkGetMemoryAndroidHardwareBufferANDROID;
        PFN_vkGetAndroidHardwareBufferPropertiesANDROID vkGetAndroidHardwareBufferPropertiesANDROID;
 
#endif // defined(VK_USE_PLATFORM_ANDROID_KHR)
 
#if defined(VK_EXT_calibrated_timestamps)
        PFN_vkGetCalibratedTimestampsEXT vkGetCalibratedTimestampsEXT;
 
#endif // defined(VK_EXT_calibrated_timestamps)
 
        PFN_vkGetPastPresentationTimingGOOGLE vkGetPastPresentationTimingGOOGLE;
 
#if defined(VK_EXT_display_control)
        PFN_vkGetSwapchainCounterEXT vkGetSwapchainCounterEXT;
        PFN_vkRegisterDeviceEventEXT vkRegisterDeviceEventEXT;
        PFN_vkRegisterDisplayEventEXT vkRegisterDisplayEventEXT;
 
#endif // defined(VK_EXT_display_control)
 
#if defined(VK_EXT_image_drm_format_modifier)
        PFN_vkGetImageDrmFormatModifierPropertiesEXT vkGetImageDrmFormatModifierPropertiesEXT;
 
#endif // defined(VK_EXT_image_drm_format_modifier)
 
#if defined(VK_EXT_debug_utils)
        PFN_vkCmdBeginDebugUtilsLabelEXT vkCmdBeginDebugUtilsLabelEXT;
        PFN_vkCmdEndDebugUtilsLabelEXT vkCmdEndDebugUtilsLabelEXT;
        PFN_vkCmdInsertDebugUtilsLabelEXT vkCmdInsertDebugUtilsLabelEXT;
        PFN_vkQueueBeginDebugUtilsLabelEXT vkQueueBeginDebugUtilsLabelEXT;
        PFN_vkQueueEndDebugUtilsLabelEXT vkQueueEndDebugUtilsLabelEXT;
        PFN_vkQueueInsertDebugUtilsLabelEXT vkQueueInsertDebugUtilsLabelEXT;
        PFN_vkSetDebugUtilsObjectNameEXT vkSetDebugUtilsObjectNameEXT;
        PFN_vkSetDebugUtilsObjectTagEXT vkSetDebugUtilsObjectTagEXT;
#endif // defined(VK_EXT_debug_utils)
 
        // end of GENERATED device loader code - do not modify - used by scripts
};
 
struct vk_buffer
{
        VkBuffer handle;
        VkDeviceMemory memory;
        uint32_t size;
        void *data;
};
 
 
/*
 *
 * Helper defines.
 *
 */
 
/*!
 * This define will error if `RET` is not `VK_SUCCESS`, printing out that the
 * @p FUNC_STR string has failed, then returns @p RET. The implicit argument
 * @p vk will be used for the @ref vk_print_result call.
 *
 * Use this macro when your function returns a `VkResult`.
 *
 * @param RET      The @p VkResult to check.
 * @param FUNC_STR String literal with the function name, used for logging.
 *
 * @ingroup aux_vk
 *
 * @see VK_CHK_WITH_RET
 * @see VK_CHK_WITH_GOTO
 */
#define VK_CHK_AND_RET(RET, FUNC_STR)                                                                                  \
        do {                                                                                                           \
                VkResult _ret = RET;                                                                                   \
                if (_ret != VK_SUCCESS) {                                                                              \
                        vk_print_result(vk, __FILE__, __LINE__, __func__, _ret, FUNC_STR);                             \
                        return _ret;                                                                                   \
                }                                                                                                      \
        } while (false)
 
/*!
 * This define will error if @p RET is not @p VK_SUCCESS, printing out that the
 * @p FUNC_STR string has failed, then returns @p TO_RET. The implicit argument
 * @p vk will be used for the @ref vk_print_result call.
 *
 * Use this macro when your function doesn't return a `VkResult`.
 *
 * @param RET      The @p VkResult to check.
 * @param FUNC_STR String literal with the function name, used for logging.
 * @param TO_RET   Value to return, upon error
 *
 * @ingroup aux_vk
 *
 * @see VK_CHK_AND_RET
 * @see VK_CHK_WITH_GOTO
 */
#define VK_CHK_WITH_RET(RET, FUNC_STR, TO_RET)                                                                         \
        do {                                                                                                           \
                VkResult _ret = RET;                                                                                   \
                if (_ret != VK_SUCCESS) {                                                                              \
                        vk_print_result(vk, __FILE__, __LINE__, __func__, _ret, FUNC_STR);                             \
                        return TO_RET;                                                                                 \
                }                                                                                                      \
        } while (false)
 
/*!
 * This define will error if @p RET is not @p VK_SUCCESS, printing out that the
 * @p FUNC_STR string has failed, then goto @p GOTO. The implicit argument @p vk
 * will be used for the @ref vk_print_result call.
 *
 * Use this macro when your function needs to `goto` some cleanup code and
 * return from there.
 *
 * @param RET      The @p VkResult to check.
 * @param FUNC_STR String literal with the function name, used for logging.
 * @param GOTO     Label to jump to, upon error
 *
 * @ingroup aux_vk
 *
 * @see VK_CHK_AND_RET
 * @see VK_CHK_WITH_RET
 */
#define VK_CHK_WITH_GOTO(RET, FUNC_STR, GOTO)                                                                          \
        do {                                                                                                           \
                VkResult _ret = RET;                                                                                   \
                if (_ret != VK_SUCCESS) {                                                                              \
                        vk_print_result(vk, __FILE__, __LINE__, __func__, _ret, FUNC_STR);                             \
                        goto GOTO;                                                                                     \
                }                                                                                                      \
        } while (false)
 
 
/*
 *
 * String helper functions.
 *
 */
 
XRT_CHECK_RESULT const char *
vk_result_string(VkResult code);
 
XRT_CHECK_RESULT const char *
vk_object_type_string(VkObjectType type);
 
XRT_CHECK_RESULT const char *
vk_physical_device_type_string(VkPhysicalDeviceType device_type);
 
XRT_CHECK_RESULT const char *
vk_format_string(VkFormat code);
 
XRT_CHECK_RESULT const char *
vk_sharing_mode_string(VkSharingMode code);
 
XRT_CHECK_RESULT const char *
vk_present_mode_string(VkPresentModeKHR code);
 
XRT_CHECK_RESULT const char *
vk_color_space_string(VkColorSpaceKHR code);
 
XRT_CHECK_RESULT const char *
vk_power_state_string(VkDisplayPowerStateEXT code);
 
 
/*
 *
 * Flag bits string functions.
 *
 */
 
/*!
 * Returns the format feature flag if one valid bit is set,
 * if multiple bits are set, will return 'MULTIPLE BIT SET'.
 */
XRT_CHECK_RESULT const char *
vk_format_feature_flag_string(VkFormatFeatureFlagBits bits, bool null_on_unknown);
 
/*!
 * Returns the image usage flag if one valid bit is set,
 * if multiple bits are set, will return 'MULTIPLE BIT SET'.
 */
XRT_CHECK_RESULT const char *
vk_image_usage_flag_string(VkImageUsageFlagBits bits, bool null_on_unknown);
 
/*!
 * Returns the composite alpha flag if one valid bit is set,
 * if multiple bits are set, will return 'MULTIPLE BIT SET'.
 */
XRT_CHECK_RESULT const char *
vk_composite_alpha_flag_string(VkCompositeAlphaFlagBitsKHR bits, bool null_on_unknown);
 
/*!
 * Returns the surface transform flag if one valid bit is set,
 * if multiple bits are set, will return 'MULTIPLE BIT SET'.
 */
XRT_CHECK_RESULT const char *
vk_surface_transform_flag_string(VkSurfaceTransformFlagBitsKHR bits, bool null_on_unknown);
 
#ifdef VK_KHR_display
/*!
 * Returns the display plane alpha flag if one valid bit is set,
 * if multiple bits are set, will return 'MULTIPLE BIT SET'.
 */
XRT_CHECK_RESULT const char *
vk_display_plane_alpha_flag_string(VkDisplayPlaneAlphaFlagBitsKHR bits, bool null_on_unknown);
#endif
 
/*!
 * Returns xrt swapchain_usage flag if one valid bit is set,
 * if multiple bits are set, will return 'MULTIPLE BIT SET'.
 */
XRT_CHECK_RESULT const char *
xrt_swapchain_usage_flag_string(enum xrt_swapchain_usage_bits bits, bool null_on_unknown);
 
 
/*
 *
 * Function and helpers.
 *
 */
 
#define VK_TRACE(d, ...) U_LOG_IFL_T(d->log_level, __VA_ARGS__)
#define VK_DEBUG(d, ...) U_LOG_IFL_D(d->log_level, __VA_ARGS__)
#define VK_INFO(d, ...) U_LOG_IFL_I(d->log_level, __VA_ARGS__)
#define VK_WARN(d, ...) U_LOG_IFL_W(d->log_level, __VA_ARGS__)
#define VK_ERROR(d, ...) U_LOG_IFL_E(d->log_level, __VA_ARGS__)
 
 
/*
 *
 * Debug helper functions, in the vk_debug.c file.
 *
 */
 
#if defined(VK_EXT_debug_utils) || defined(XRT_DOXYGEN)
 
/*!
 * Uses VK_EXT_debug_utils to set a name for an object, for easier debugging.
 *
 * @ingroup aux_vk
 */
void
vk_name_object(struct vk_bundle *vk, VkObjectType type, uint64_t object, const char *name);
 
/*!
 * Small helper for @ref vk_name_object that makes use of pre-process to avoid
 * writing out long type names.
 *
 * @ingroup aux_vk
 */
#define VK_NAME_OBJ(VK, TYPE, SUFFIX, OBJ, NAME)                                                                       \
        do {                                                                                                           \
                if ((VK)->has_EXT_debug_utils) {                                                                       \
                        TYPE _thing = OBJ;                                                                             \
                        vk_name_object(VK, VK_OBJECT_TYPE_##SUFFIX, (uint64_t)_thing, NAME);                           \
                }                                                                                                      \
        } while (false)
 
 
#else
 
#define VK_NAME_OBJ(VK, TYPE, SUFFIX, OBJ, NAME) VK_NAME_OBJ_DISABLED(VK, TYPE, OBJ)
 
#endif
 
/*!
 * Some combinations of Vulkan implementation and types are broken, we still
 * want type safety so we have this define. Examples of broken combinations:
 *
 * 1. Both Mesa and the Vulkan loader didn't support setting names on the
 *    VkInstance, loader got support in 1.3.261 and Mesa hasn't as of writing.
 * 2. For Mesa drivers we can not name VkSurfaceKHR objects on some systems as
 *    it causes memory corruption, asserts, crashes or functions failing. This
 *    is as of writing broken on the 23.2.1 release, fixed in main and scheduled
 *    for the 23.2.2 release.
 * 3. Mesa RADV leaks the name strings for VkDescriptorSet objects for pools
 *    that we use the reset function.
 *
 * @ingroup aux_vk
 */
#define VK_NAME_OBJ_DISABLED(VK, TYPE, OBJ)                                                                            \
        do {                                                                                                           \
                XRT_MAYBE_UNUSED TYPE _thing = OBJ;                                                                    \
        } while (false)
 
 
// clang-format off
#define VK_NAME_INSTANCE(VK, OBJ, NAME) VK_NAME_OBJ_DISABLED(VK, VkInstance, OBJ)
#define VK_NAME_PHYSICAL_DEVICE(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkPhysicalDevice, PHYSICAL_DEVICE, OBJ, NAME)
#define VK_NAME_DEVICE(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkDevice, DEVICE, OBJ, NAME)
#define VK_NAME_QUEUE(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkQueue, QUEUE, OBJ, NAME)
#define VK_NAME_SEMAPHORE(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkSemaphore, SEMAPHORE, OBJ, NAME)
#define VK_NAME_COMMAND_BUFFER(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkCommandBuffer, COMMAND_BUFFER, OBJ, NAME)
#define VK_NAME_FENCE(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkFence, FENCE, OBJ, NAME)
#define VK_NAME_DEVICE_MEMORY(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkDeviceMemory, DEVICE_MEMORY, OBJ, NAME)
#define VK_NAME_BUFFER(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkBuffer, BUFFER, OBJ, NAME)
#define VK_NAME_IMAGE(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkImage, IMAGE, OBJ, NAME)
#define VK_NAME_EVENT(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkEvent, EVENT, OBJ, NAME)
#define VK_NAME_QUERY_POOL(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkQueryPool, QUERY_POOL, OBJ, NAME)
#define VK_NAME_BUFFER_VIEW(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkBufferView, BUFFER_VIEW, OBJ, NAME)
#define VK_NAME_IMAGE_VIEW(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkImageView, IMAGE_VIEW, OBJ, NAME)
#define VK_NAME_SHADER_MODULE(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkShaderModule, SHADER_MODULE, OBJ, NAME)
#define VK_NAME_PIPELINE_CACHE(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkPipelineCache, PIPELINE_CACHE, OBJ, NAME)
#define VK_NAME_PIPELINE_LAYOUT(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkPipelineLayout, PIPELINE_LAYOUT, OBJ, NAME)
#define VK_NAME_RENDER_PASS(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkRenderPass, RENDER_PASS, OBJ, NAME)
#define VK_NAME_PIPELINE(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkPipeline, PIPELINE, OBJ, NAME)
#define VK_NAME_DESCRIPTOR_SET_LAYOUT(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkDescriptorSetLayout, DESCRIPTOR_SET_LAYOUT, OBJ, NAME)
#define VK_NAME_SAMPLER(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkSampler, SAMPLER, OBJ, NAME)
#define VK_NAME_DESCRIPTOR_POOL(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkDescriptorPool, DESCRIPTOR_POOL, OBJ, NAME)
#define VK_NAME_DESCRIPTOR_SET(VK, OBJ, NAME) VK_NAME_OBJ_DISABLED(VK, VkDescriptorSet, OBJ)
#define VK_NAME_FRAMEBUFFER(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkFramebuffer, FRAMEBUFFER, OBJ, NAME)
#define VK_NAME_COMMAND_POOL(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkCommandPool, COMMAND_POOL, OBJ, NAME)
 
#define VK_NAME_SURFACE(VK, OBJ, NAME) VK_NAME_OBJ_DISABLED(VK, VkSurfaceKHR, OBJ)
#define VK_NAME_SWAPCHAIN(VK, OBJ, NAME) VK_NAME_OBJ(VK, VkSwapchainKHR, SWAPCHAIN_KHR, OBJ, NAME)
// clang-format on
 
 
/*
 *
 * Printing helpers, in the vk_print.c file.
 *
 */
 
/*!
 * Print the result of a function, info level if ret == `VK_SUCCESS` and error
 * level otherwise. Also prints file and line.
 *
 * @ingroup aux_vk
 */
void
vk_print_result(
    struct vk_bundle *vk, const char *file, int line, const char *calling_func, VkResult ret, const char *called_func);
 
/*!
 * Print device information to the logger at the given logging level,
 * if the vk_bundle has that level enabled.
 *
 * @ingroup aux_vk
 */
void
vk_print_device_info(struct vk_bundle *vk,
                     enum u_logging_level log_level,
                     const VkPhysicalDeviceProperties *pdp,
                     uint32_t gpu_index,
                     const char *title);
 
/*!
 * Print device information about the device that bundle manages at the given
 * logging level if the vk_bundle has that level enabled.
 *
 * @ingroup aux_vk
 */
void
vk_print_opened_device_info(struct vk_bundle *vk, enum u_logging_level log_level);
 
/*!
 * Print device features to the logger at the given logging level, if the
 * vk_bundle has that level enabled.
 */
void
vk_print_features_info(struct vk_bundle *vk, enum u_logging_level log_level);
 
/*!
 * Print external handle features to the logger at the given logging level,
 * if the vk_bundle has that level enabled.
 */
void
vk_print_external_handles_info(struct vk_bundle *vk, enum u_logging_level log_level);
 
/*!
 * Print a @p VkSwapchainCreateInfoKHR, used to log during creation.
 */
void
vk_print_swapchain_create_info(struct vk_bundle *vk, VkSwapchainCreateInfoKHR *i, enum u_logging_level log_level);
 
#ifdef VK_KHR_display
/*!
 * Print a @p VkDisplaySurfaceCreateInfoKHR, used to log during creation.
 */
void
vk_print_display_surface_create_info(struct vk_bundle *vk,
                                     VkDisplaySurfaceCreateInfoKHR *i,
                                     enum u_logging_level log_level);
#endif
 
 
/*
 *
 * Enumeration helpers, in the vk_enumerate.c file.
 *
 */
 
/*!
 * Return the @p VkExtensionProperties of the given @p layer_name, NULL means
 * the "base" driver instance.
 *
 * @ingroup aux_vk
 */
VkResult
vk_enumerate_instance_extensions_properties(struct vk_bundle *vk,
                                            const char *layer_name,
                                            uint32_t *out_prop_count,
                                            VkExtensionProperties **out_props);
 
/*!
 * Enumerate the physical devices of the @p VkInstance that has been opened on
 * the given @ref vk_bundle.
 *
 * @ingroup aux_vk
 */
VkResult
vk_enumerate_physical_devices(struct vk_bundle *vk,
                              uint32_t *out_physical_device_count,
                              VkPhysicalDevice **out_physical_devices);
 
/*!
 * Enumerate the extension properties of the given @p VkPhysicalDevice for the
 * named @p layer_name, NULL means the "base" driver physical device.
 *
 * @ingroup aux_vk
 */
VkResult
vk_enumerate_physical_device_extension_properties(struct vk_bundle *vk,
                                                  VkPhysicalDevice physical_device,
                                                  const char *layer_name,
                                                  uint32_t *out_prop_count,
                                                  VkExtensionProperties **out_props);
 
#if defined(VK_KHR_surface) || defined(XRT_DOXYGEN)
/*!
 * Enumerate the surface formats of the given @p VkSurfaceKHR,
 * returns a list of @p VkSurfaceFormatKHR, not @p VkFormat.
 *
 * @ingroup aux_vk
 */
VkResult
vk_enumerate_surface_formats(struct vk_bundle *vk,
                             VkSurfaceKHR surface,
                             uint32_t *out_format_count,
                             VkSurfaceFormatKHR **out_formats);
 
/*!
 * Enumerate the present modes of the given @p VkSurfaceKHR.
 *
 * @ingroup aux_vk
 */
VkResult
vk_enumerate_surface_present_modes(struct vk_bundle *vk,
                                   VkSurfaceKHR surface,
                                   uint32_t *out_present_mode_count,
                                   VkPresentModeKHR **out_present_modes);
#endif
 
#if defined(VK_KHR_swapchain) || defined(XRT_DOXYGEN)
/*!
 * Enumerate the images of the given @p VkSwapchainKHR.
 *
 * @ingroup aux_vk
 */
VkResult
vk_enumerate_swapchain_images(struct vk_bundle *vk,
                              VkSwapchainKHR swapchain,
                              uint32_t *out_image_count,
                              VkImage **out_images);
#endif
 
#if defined(VK_USE_PLATFORM_DISPLAY_KHR) || defined(XRT_DOXYGEN)
/*!
 * Enumerate the display properties of the given @p VkPhysicalDevice.
 *
 * @ingroup aux_vk
 */
VkResult
vk_enumerate_physical_device_display_properties(struct vk_bundle *vk,
                                                VkPhysicalDevice physical_device,
                                                uint32_t *out_prop_count,
                                                VkDisplayPropertiesKHR **out_props);
 
/*!
 * Enumerate the display plane properties of the given @p VkPhysicalDevice.
 *
 * @ingroup aux_vk
 */
VkResult
vk_enumerate_physical_display_plane_properties(struct vk_bundle *vk,
                                               VkPhysicalDevice physical_device,
                                               uint32_t *out_prop_count,
                                               VkDisplayPlanePropertiesKHR **out_props);
 
/*!
 * Enumerate the mode properties of the given @p VkDisplayKHR, which belongs
 * to the given @p VkPhysicalDevice.
 *
 * @ingroup aux_vk
 */
VkResult
vk_enumerate_display_mode_properties(struct vk_bundle *vk,
                                     VkPhysicalDevice physical_device,
                                     VkDisplayKHR display,
                                     uint32_t *out_prop_count,
                                     VkDisplayModePropertiesKHR **out_props);
#endif
 
 
/*
 *
 * Struct init functions, in the vk_function_loaders.c file.
 *
 */
 
/*!
 * Can be done on a completely bare bundle.
 *
 * @ingroup aux_vk
 */
VkResult
vk_get_loader_functions(struct vk_bundle *vk, PFN_vkGetInstanceProcAddr g);
 
/*!
 * Requires a instance to have been created and set on the bundle.
 *
 * @ingroup aux_vk
 */
VkResult
vk_get_instance_functions(struct vk_bundle *vk);
 
/*!
 * Requires a device to have been created and set on the bundle.
 *
 * @ingroup aux_vk
 */
VkResult
vk_get_device_functions(struct vk_bundle *vk);
 
 
/*
 *
 * Bundle init functions, in the vk_bundle_init.c file.
 *
 */
 
/*!
 * Check if the required instance extensions are supported, if not print error
 * message with all extensions missing, returns VK_ERROR_EXTENSION_NOT_PRESENT
 * if not all extensions are supported.
 *
 * @ingroup aux_vk
 */
VkResult
vk_check_required_instance_extensions(struct vk_bundle *vk, struct u_string_list *required_instance_ext_list);
 
/*!
 * Only requires @ref vk_get_loader_functions to have been called.
 *
 * @ingroup aux_vk
 */
struct u_string_list *
vk_build_instance_extensions(struct vk_bundle *vk,
                             struct u_string_list *required_instance_ext_list,
                             struct u_string_list *optional_instance_ext_list);
 
/*!
 * Fills in has_* in vk_bundle given a string of prefiltered instance extensions
 */
void
vk_fill_in_has_instance_extensions(struct vk_bundle *vk, struct u_string_list *ext_list);
 
/*!
 * Setup the physical device, this is called by vk_create_device but has uses
 * for outside of that.
 *
 * @ingroup aux_vk
 */
VkResult
vk_select_physical_device(struct vk_bundle *vk, int forced_index);
 
/*!
 * Used to enable device features as a argument @ref vk_create_device.
 *
 * @ingroup aux_vk
 */
struct vk_device_features
{
        bool shader_image_gather_extended;
        bool shader_storage_image_write_without_format;
        bool null_descriptor;
        bool timeline_semaphore;
        bool synchronization_2;
};
 
/*!
 * Creates a VkDevice and initialises the VkQueue.
 *
 * @ingroup aux_vk
 */
XRT_CHECK_RESULT VkResult
vk_create_device(struct vk_bundle *vk,
                 int forced_index,
                 bool only_compute,
                 VkQueueGlobalPriorityEXT global_priority,
                 struct u_string_list *required_device_ext_list,
                 struct u_string_list *optional_device_ext_list,
                 const struct vk_device_features *optional_device_features);
 
/*!
 * @brief Initialize mutexes in the @ref vk_bundle.
 *
 * Not required for all uses, but a precondition for some.
 *
 * @ingroup aux_vk
 */
VkResult
vk_init_mutex(struct vk_bundle *vk);
 
/*!
 * @brief De-initialize mutexes in the @ref vk_bundle.
 *
 * @ingroup aux_vk
 */
VkResult
vk_deinit_mutex(struct vk_bundle *vk);
 
/*!
 * Initialize a bundle with objects given to us by client code,
 * used by @ref client_vk_compositor in @ref comp_client.
 *
 * @ingroup aux_vk
 */
XRT_CHECK_RESULT VkResult
vk_init_from_given(struct vk_bundle *vk,
                   PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr,
                   VkInstance instance,
                   VkPhysicalDevice physical_device,
                   VkDevice device,
                   uint32_t queue_family_index,
                   uint32_t queue_index,
                   bool external_fence_fd_enabled,
                   bool external_semaphore_fd_enabled,
                   bool timeline_semaphore_enabled,
                   bool debug_utils_enabled,
                   enum u_logging_level log_level);
 
 
/*
 *
 * Other functions.
 *
 */
 
/*!
 * @ingroup aux_vk
 */
bool
vk_get_memory_type(struct vk_bundle *vk, uint32_t type_bits, VkMemoryPropertyFlags memory_props, uint32_t *out_type_id);
 
/*!
 * Allocate memory for an image and bind it to that image.
 *
 * Handles the following steps:
 *
 * - calling vkGetImageMemoryRequirements
 *   - comparing against the max_size
 * - getting the memory type (as dictated by the VkMemoryRequirements and
 *   VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT)
 * - calling vkAllocateMemory
 * - calling vkBindImageMemory
 * - calling vkDestroyMemory in case of an error.
 *
 * If this fails, it cleans up the VkDeviceMemory.
 *
 * @param vk Vulkan bundle
 * @param image The VkImage to allocate for and bind.
 * @param max_size The maximum value you'll allow for
 *        VkMemoryRequirements::size. Pass SIZE_MAX if you will accept any size
 *        that works.
 * @param pNext_for_allocate (Optional) a pointer to use in the pNext chain of
 *        VkMemoryAllocateInfo.
 * @param caller_name Used for error printing, this function is called from
 *        various sources and takes next chains that could influence the result
 *        of various calls inside of it. Since it's up to this function to print
 *        any errors it will add the caller name to error messages.
 * @param out_mem Output parameter: will be set to the allocated memory if
 *        everything succeeds. Not modified if there is an error.
 * @param out_size (Optional) pointer to receive the value of
 *        VkMemoryRequirements::size.
 *
 * If this fails, you may want to destroy your VkImage as well, since this
 * routine is usually used in combination with vkCreateImage.
 *
 * @ingroup aux_vk
 */
XRT_CHECK_RESULT VkResult
vk_alloc_and_bind_image_memory(struct vk_bundle *vk,
                               VkImage image,
                               size_t max_size,
                               const void *pNext_for_allocate,
                               const char *caller_name,
                               VkDeviceMemory *out_mem,
                               VkDeviceSize *out_size);
 
/*!
 *
 * @brief Creates a Vulkan device memory and image from a native graphics buffer handle.
 *
 * In case of error, ownership is never transferred and the caller should close the handle themselves.
 *
 * In case of success, the underlying Vulkan functionality's ownership semantics apply: ownership of the @p image_native
 * handle may have transferred, a reference may have been added, or the Vulkan objects may rely on the caller to keep
 * the native handle alive until the Vulkan objects are destroyed. Which option applies depends on the particular native
 * handle type used.
 *
 * See the corresponding specification texts:
 *
 * - Windows:
 *   https://www.khronos.org/registry/vulkan/specs/1.2-extensions/html/vkspec.html#VkImportMemoryWin32HandleInfoKHR
 * - Linux: https://www.khronos.org/registry/vulkan/specs/1.2-extensions/html/vkspec.html#VkImportMemoryFdInfoKHR
 * - Android:
 *   https://www.khronos.org/registry/vulkan/specs/1.2-extensions/html/vkspec.html#VkImportAndroidHardwareBufferInfoANDROID
 *
 * @ingroup aux_vk
 */
XRT_CHECK_RESULT VkResult
vk_create_image_from_native(struct vk_bundle *vk,
                            const struct xrt_swapchain_create_info *info,
                            struct xrt_image_native *image_native,
                            VkImage *out_image,
                            VkDeviceMemory *out_mem);
 
/*!
 * Given a DeviceMemory handle created to be exportable, outputs the native buffer type (FD on desktop Linux)
 * equivalent.
 *
 * Caller assumes ownership of handle which should be unreferenced with @ref u_graphics_buffer_unref when no longer
 * needed.
 *
 * @param vk Vulkan bundle
 * @param device_memory The memory to get the handle of
 * @param[out] out_handle A pointer to the handle to populate
 *
 * @ingroup aux_vk
 */
XRT_CHECK_RESULT VkResult
vk_get_native_handle_from_device_memory(struct vk_bundle *vk,
                                        VkDeviceMemory device_memory,
                                        xrt_graphics_buffer_handle_t *out_handle);
 
/*!
 * @ingroup aux_vk
 * Helper to create a VkImage
 */
VkResult
vk_create_image_simple(struct vk_bundle *vk,
                       VkExtent2D extent,
                       VkFormat format,
                       VkImageUsageFlags usage,
                       VkDeviceMemory *out_mem,
                       VkImage *out_image);
 
/*!
 * Helper to create a mutable RG88B8A8 VkImage that specializes in the two
 * UNORM and SRGB variants of that formats.
 *
 * @ingroup aux_vk
 */
VkResult
vk_create_image_mutable_rgba(
    struct vk_bundle *vk, VkExtent2D extent, VkImageUsageFlags usage, VkDeviceMemory *out_mem, VkImage *out_image);
 
/*!
 * @ingroup aux_vk
 * Helper to create a VkImage, with more options for tiling and memory storage.
 */
VkResult
vk_create_image_advanced(struct vk_bundle *vk,
                         VkExtent3D extent,
                         VkFormat format,
                         VkImageTiling image_tiling,
                         VkImageUsageFlags image_usage_flags,
                         VkMemoryPropertyFlags memory_property_flags,
                         VkDeviceMemory *out_mem,
                         VkImage *out_image);
 
/*!
 * @ingroup aux_vk
 */
VkResult
vk_create_sampler(struct vk_bundle *vk, VkSamplerAddressMode clamp_mode, VkSampler *out_sampler);
 
 
/*
 *
 * Helpers for creating ímage views.
 *
 */
 
/*!
 * @ingroup aux_vk
 */
VkResult
vk_create_view(struct vk_bundle *vk,
               VkImage image,
               VkImageViewType type,
               VkFormat format,
               VkImageSubresourceRange subresource_range,
               VkImageView *out_view);
 
/*!
 * @ingroup aux_vk
 */
VkResult
vk_create_view_swizzle(struct vk_bundle *vk,
                       VkImage image,
                       VkImageViewType type,
                       VkFormat format,
                       VkImageSubresourceRange subresource_range,
                       VkComponentMapping components,
                       VkImageView *out_view);
 
/*!
 * Creates a image with a specific subset of usage, useful for a mutable images
 * where one format might not support all usages defined by the image.
 *
 * @ingroup aux_vk
 */
VkResult
vk_create_view_usage(struct vk_bundle *vk,
                     VkImage image,
                     VkImageViewType type,
                     VkFormat format,
                     VkImageUsageFlags image_usage,
                     VkImageSubresourceRange subresource_range,
                     VkImageView *out_view);
 
 
/*
 *
 * Helpers for creating descriptor pools and sets.
 *
 */
 
bool
vk_init_descriptor_pool(struct vk_bundle *vk,
                        const VkDescriptorPoolSize *pool_sizes,
                        uint32_t pool_size_count,
                        uint32_t set_count,
                        VkDescriptorPool *out_descriptor_pool);
 
bool
vk_allocate_descriptor_sets(struct vk_bundle *vk,
                            VkDescriptorPool descriptor_pool,
                            uint32_t count,
                            const VkDescriptorSetLayout *set_layout,
                            VkDescriptorSet *sets);
 
 
/*
 *
 * Helpers for creating buffers.
 *
 */
 
bool
vk_buffer_init(struct vk_bundle *vk,
               VkDeviceSize size,
               VkBufferUsageFlags usage,
               VkMemoryPropertyFlags properties,
               VkBuffer *out_buffer,
               VkDeviceMemory *out_mem);
 
void
vk_buffer_destroy(struct vk_buffer *self, struct vk_bundle *vk);
 
bool
vk_update_buffer(struct vk_bundle *vk, float *buffer, size_t buffer_size, VkDeviceMemory memory);
 
 
/*
 *
 * Helpers for writing command buffers, in the vk_helpers.c file.
 *
 */
 
/*!
 * Inserts a image barrier command, doesn't take any locks, the calling code
 * will need hold the lock for the pool that cmd_buffer is from or ensure it is
 * externally synchronized.
 *
 * @ingroup aux_vk
 */
void
vk_cmd_image_barrier_locked(struct vk_bundle *vk,
                            VkCommandBuffer cmd_buffer,
                            VkImage image,
                            VkAccessFlags src_access_mask,
                            VkAccessFlags dst_access_mask,
                            VkImageLayout old_image_layout,
                            VkImageLayout new_image_layout,
                            VkPipelineStageFlags src_stage_mask,
                            VkPipelineStageFlags dst_stage_mask,
                            VkImageSubresourceRange subresource_range);
 
/*!
 * Inserts a image barrier command specifically for GPU commands, doesn't take
 * any locks, the calling code will need hold the lock for the pool that
 * cmd_buffer is from or ensure it is externally synchronized.
 *
 * @ingroup aux_vk
 */
void
vk_cmd_image_barrier_gpu_locked(struct vk_bundle *vk,
                                VkCommandBuffer cmd_buffer,
                                VkImage image,
                                VkAccessFlags src_access_mask,
                                VkAccessFlags dst_access_mask,
                                VkImageLayout old_layout,
                                VkImageLayout new_layout,
                                VkImageSubresourceRange subresource_range);
 
#if defined(VK_EXT_debug_utils) || defined(XRT_DOXYGEN)
/*!
 * Uses VK_EXT_debug_utils to insert debug label into a VkCommandBuffer.
 *
 * In the vk_debug.c file.
 *
 * @ingroup aux_vk
 */
void
vk_cmd_insert_label(struct vk_bundle *vk, VkCommandBuffer cmd_buffer, const char *name);
#endif
 
 
/*
 *
 * State creation helpers, in the vk_state_creators.c file.
 *
 */
 
/*!
 * Arguments to @ref vk_create_descriptor_pool function.
 */
struct vk_descriptor_pool_info
{
        uint32_t uniform_per_descriptor_count;        //!< VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER
        uint32_t sampler_per_descriptor_count;        //!< VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER
        uint32_t storage_image_per_descriptor_count;  //!< VK_DESCRIPTOR_TYPE_STORAGE_IMAGE
        uint32_t storage_buffer_per_descriptor_count; //!< VK_DESCRIPTOR_TYPE_STORAGE_BUFFER
 
        //! The max count of created descriptors.
        uint32_t descriptor_count;
 
        //! Are descriptors freeable, or must vkResetDescriptorPool be used.
        bool freeable;
};
 
/*!
 * Creates a descriptor pool, made for a single layout.
 *
 * Does error logging.
 */
VkResult
vk_create_descriptor_pool(struct vk_bundle *vk,
                          const struct vk_descriptor_pool_info *info,
                          VkDescriptorPool *out_descriptor_pool);
 
/*!
 * Creates a descriptor set.
 *
 * Does error logging.
 */
VkResult
vk_create_descriptor_set(struct vk_bundle *vk,
                         VkDescriptorPool descriptor_pool,
                         VkDescriptorSetLayout descriptor_layout,
                         VkDescriptorSet *out_descriptor_set);
 
/*!
 * Creates a pipeline layout from a single descriptor set layout.
 *
 * Does error logging.
 */
VkResult
vk_create_pipeline_layout(struct vk_bundle *vk,
                          VkDescriptorSetLayout descriptor_set_layout,
                          VkPipelineLayout *out_pipeline_layout);
 
/*!
 * Creates a pipeline cache.
 *
 * Does error logging.
 */
VkResult
vk_create_pipeline_cache(struct vk_bundle *vk, VkPipelineCache *out_pipeline_cache);
 
/*!
 * Creates a compute pipeline, assumes entry function is called 'main'.
 *
 * Does error logging.
 */
VkResult
vk_create_compute_pipeline(struct vk_bundle *vk,
                           VkPipelineCache pipeline_cache,
                           VkShaderModule shader,
                           VkPipelineLayout pipeline_layout,
                           const VkSpecializationInfo *specialization_info,
                           VkPipeline *out_compute_pipeline);
 
 
/*
 *
 * Compositor buffer and swapchain image flags helpers, in the vk_compositor_flags.c file.
 *
 */
 
/*!
 * Return the extern handle type that a buffer should be created with.
 *
 * cb = Compositor Buffer.
 */
VkExternalMemoryHandleTypeFlags
vk_cb_get_buffer_external_handle_type(struct vk_bundle *vk);
 
/*!
 * Helper for all of the supported formats to check support for.
 *
 * These are the available formats we will expose to our clients.
 *
 * In order of what we prefer. Start with a SRGB format that works on
 * both OpenGL and Vulkan. The two linear formats that works on both
 * OpenGL and Vulkan. A SRGB format that only works on Vulkan. The last
 * two formats should not be used as they are linear but doesn't have
 * enough bits to express it without resulting in banding.
 *
 * The format VK_FORMAT_A2B10G10R10_UNORM_PACK32 is not listed since
 * 10 bits are not considered enough to do linear colors without
 * banding. If there was a sRGB variant of it then we would have used it
 * instead but there isn't. Since it's not a popular format it's best
 * not to list it rather then listing it and people falling into the
 * trap. The absolute minimum is R11G11B10, but is a really weird format
 * so we are not exposing it.
 *
 * CSCI = Compositor SwapChain Images.
 *
 * @ingroup aux_vk
 */
#define VK_CSCI_FORMATS(THING_COLOR, THING_DS, THING_D, THING_S)                                                       \
        /* color formats */                                                                                            \
        THING_COLOR(R16G16B16A16_UNORM)  /* OGL VK */                                                                  \
        THING_COLOR(R16G16B16A16_SFLOAT) /* OGL VK */                                                                  \
        THING_COLOR(R16G16B16_UNORM)     /* OGL VK - Uncommon. */                                                      \
        THING_COLOR(R16G16B16_SFLOAT)    /* OGL VK - Uncommon. */                                                      \
        THING_COLOR(R8G8B8A8_SRGB)       /* OGL VK */                                                                  \
        THING_COLOR(B8G8R8A8_SRGB)       /* VK */                                                                      \
        THING_COLOR(R8G8B8_SRGB)         /* OGL VK - Uncommon. */                                                      \
        THING_COLOR(R8G8B8A8_UNORM)      /* OGL VK - Bad color precision. */                                           \
        THING_COLOR(B8G8R8A8_UNORM)      /* VK     - Bad color precision. */                                           \
        THING_COLOR(R8G8B8_UNORM)        /* OGL VK - Uncommon. Bad color precision. */                                 \
        THING_COLOR(B8G8R8_UNORM)        /* VK     - Uncommon. Bad color precision. */                                 \
        THING_COLOR(R5G6B5_UNORM_PACK16) /* OLG VK - Bad color precision. */                                           \
        THING_COLOR(R32_SFLOAT)          /* OGL VK */                                                                  \
        /* depth formats */                                                                                            \
        THING_D(D32_SFLOAT)          /* OGL VK */                                                                      \
        THING_D(D16_UNORM)           /* OGL VK */                                                                      \
        THING_D(X8_D24_UNORM_PACK32) /* OGL VK */                                                                      \
        /* depth stencil formats */                                                                                    \
        THING_DS(D24_UNORM_S8_UINT)  /* OGL VK */                                                                      \
        THING_DS(D32_SFLOAT_S8_UINT) /* OGL VK */                                                                      \
        /* stencil format */                                                                                           \
        THING_S(S8_UINT)
 
/*!
 * Returns the access flags for the compositor to app barriers.
 *
 * CSCI = Compositor SwapChain Images.
 */
VkAccessFlags
vk_csci_get_barrier_access_mask(enum xrt_swapchain_usage_bits bits);
 
/*!
 * Return the optimal layout for this format, this is the layout as given to the
 * app so is bound to the OpenXR spec.
 *
 * CSCI = Compositor SwapChain Images.
 */
VkImageLayout
vk_csci_get_barrier_optimal_layout(VkFormat format);
 
/*!
 * Return the barrier aspect mask for this format, this is intended for the
 * barriers that flush the data out before and after transfers between the
 * application and compositor.
 *
 * CSCI = Compositor SwapChain Images.
 */
VkImageAspectFlags
vk_csci_get_barrier_aspect_mask(VkFormat format);
 
/*!
 * Returns the usage bits for a given selected format and usage.
 *
 * For color formats always adds:
 * * `VK_IMAGE_USAGE_SAMPLED_BIT` for compositor reading in shaders.
 *
 * For depth & stencil formats always adds:
 * * `VK_IMAGE_USAGE_SAMPLED_BIT` for compositor reading in shaders.
 *
 * For depth formats always adds:
 * * `VK_IMAGE_USAGE_SAMPLED_BIT` for compositor reading in shaders.
 *
 * For stencil formats always adds:
 * * `VK_IMAGE_USAGE_SAMPLED_BIT` for compositor reading in shaders.
 *
 * CSCI = Compositor SwapChain Images.
 */
VkImageUsageFlags
vk_csci_get_image_usage_flags(struct vk_bundle *vk, VkFormat format, enum xrt_swapchain_usage_bits bits);
 
/*!
 * For images views created by the compositor to sample the images, what aspect
 * should be set. For color it's the color, for depth and stencil it's only
 * depth as both are disallowed by the Vulkan spec, for depth only depth, and
 * for stencil only it's stencil.
 *
 * CSCI = Compositor SwapChain Images.
 */
VkImageAspectFlags
vk_csci_get_image_view_aspect(VkFormat format, enum xrt_swapchain_usage_bits bits);
 
/*!
 * Return the extern handle type that a image should be created with.
 *
 * CSCI = Compositor SwapChain Images.
 */
VkExternalMemoryHandleTypeFlags
vk_csci_get_image_external_handle_type(struct vk_bundle *vk, struct xrt_image_native *xin);
 
/*!
 * Get whether a given image can be imported/exported for a handle type.
 *
 * CSCI = Compositor SwapChain Images.
 */
void
vk_csci_get_image_external_support(struct vk_bundle *vk,
                                   VkFormat image_format,
                                   enum xrt_swapchain_usage_bits bits,
                                   VkExternalMemoryHandleTypeFlags handle_type,
                                   bool *out_importable,
                                   bool *out_exportable);
 
 
/*
 *
 * Sync objects, in the vk_sync_objects.c file.
 *
 */
 
/*!
 * Is there a good likelihood that the import/export of a timeline semaphore
 * will succeed, in other words will the below functions work.
 *
 * @ingroup aux_vk
 */
XRT_CHECK_RESULT bool
vk_can_import_and_export_timeline_semaphore(struct vk_bundle *vk);
 
/*!
 * @brief Creates a Vulkan fence, submits it to the default VkQueue and return
 * its native graphics sync handle.
 *
 * In case of error, out_native is not touched by the function.
 *
 * See @ref vk_create_fence_sync_from_native for ownership semantics on import.
 *
 * @ingroup aux_vk
 */
XRT_CHECK_RESULT VkResult
vk_create_and_submit_fence_native(struct vk_bundle *vk, xrt_graphics_sync_handle_t *out_native);
 
/*!
 * @brief Creates a Vulkan fence from a native graphics sync handle.
 *
 * In case of error, ownership is never transferred and the caller should close the handle themselves.
 *
 * In case of success, the underlying Vulkan functionality's ownership semantics apply: ownership of the @p native
 * handle may have transferred, a reference may have been added, or the Vulkan object may rely on the caller to keep the
 * native handle alive until the Vulkan object is destroyed. Which option applies depends on the particular native
 * handle type used.
 *
 * See the corresponding Vulkan specification text:
 * https://www.khronos.org/registry/vulkan/specs/1.2-extensions/html/vkspec.html#synchronization-fences-importing
 *
 * @ingroup aux_vk
 */
XRT_CHECK_RESULT VkResult
vk_create_fence_sync_from_native(struct vk_bundle *vk, xrt_graphics_sync_handle_t native, VkFence *out_fence);
 
/*!
 * Creates a Vulkan semaphore and a native graphics sync handle.
 *
 * In case of success, the underlying Vulkan functionality's ownership semantics
 * apply: ownership of the @p native handle may have transferred, a reference
 * may have been added, or the Vulkan object may rely on the caller to keep the
 * native handle alive until the Vulkan object is destroyed. Which option
 * applies depends on the particular native handle type used.
 *
 * In case of error, neither @p out_sem and @p out_native is not touched by the
 * function so the caller only becomes responsible for the output on success.
 *
 * See the corresponding Vulkan specification text:
 * https://www.khronos.org/registry/vulkan/specs/1.3-extensions/html/vkspec.html#synchronization-semaphores
 *
 * @ingroup aux_vk
 */
XRT_CHECK_RESULT VkResult
vk_create_semaphore_and_native(struct vk_bundle *vk, VkSemaphore *out_sem, xrt_graphics_sync_handle_t *out_native);
 
#if defined(VK_KHR_timeline_semaphore) || defined(XRT_DOXYGEN)
/*
 * Creates a Vulkan timeline semaphore and a native graphics sync
 * handle, see @ref vk_create_semaphore_and_native for more details.
 *
 * @ingroup aux_vk
 */
XRT_CHECK_RESULT VkResult
vk_create_timeline_semaphore_and_native(struct vk_bundle *vk,
                                        VkSemaphore *out_sem,
                                        xrt_graphics_sync_handle_t *out_native);
#endif
 
/*!
 * @brief Creates a Vulkan semaphore from a native graphics sync handle.
 *
 * In case of error, ownership is never transferred and the caller should close the handle themselves.
 *
 * In case of success, the underlying Vulkan functionality's ownership semantics apply: ownership of the @p native
 * handle may have transferred, a reference may have been added, or the Vulkan object may rely on the caller to keep the
 * native handle alive until the Vulkan object is destroyed. Which option applies depends on the particular native
 * handle type used.
 *
 * @ingroup aux_vk
 */
XRT_CHECK_RESULT VkResult
vk_create_semaphore_from_native(struct vk_bundle *vk, xrt_graphics_sync_handle_t native, VkSemaphore *out_sem);
 
#if defined(VK_KHR_timeline_semaphore) || defined(XRT_DOXYGEN)
/*!
 * @brief Creates a Vulkan timeline semaphore from a native graphics sync
 * handle, see @ref vk_create_semaphore_from_native for more details.
 *
 * @ingroup aux_vk
 */
XRT_CHECK_RESULT VkResult
vk_create_timeline_semaphore_from_native(struct vk_bundle *vk, xrt_graphics_sync_handle_t native, VkSemaphore *out_sem);
#endif
 
 
/*
 *
 * Time function(s), in the vk_time.c file.
 *
 */
 
#if defined(VK_EXT_calibrated_timestamps) || defined(XRT_DOXYGEN)
/*!
 * Convert timestamps in GPU ticks (as return by VkQueryPool timestamp queries)
 * into host CPU nanoseconds, same time domain as @ref os_monotonic_get_ns.
 *
 * Note the timestamp needs to be in the past and not to old, this is because
 * not all GPU has full 64 bit timer resolution. For instance a Intel GPU "only"
 * have 36 bits of valid timestamp and a tick period 83.3333 nanosecond,
 * equating to an epoch of 5726 seconds before overflowing. The function can
 * handle overflows happening between the given timestamps and when it is called
 * but only for one such epoch overflow, any more will only be treated as one
 * such overflow. So timestamps needs to be converted reasonably soon after they
 * have been captured.
 *
 * @param vk                The Vulkan bundle.
 * @param count             Number of timestamps to be converted.
 * @param[in,out] in_out_timestamps Array of timestamps to be converted, done in place.
 *
 * @ingroup aux_vk
 */
XRT_CHECK_RESULT VkResult
vk_convert_timestamps_to_host_ns(struct vk_bundle *vk, uint32_t count, uint64_t *in_out_timestamps);
#endif
 
 
#ifdef __cplusplus
}
#endif