/*
 * Copyright 2018 Józef Kucia for CodeWeavers
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

/* Hack for MinGW-w64 headers.
 *
 * We want to use WIDL C inline wrappers because some methods
 * in D3D12 interfaces return aggregate objects. Unfortunately,
 * WIDL C inline wrappers are broken when used with MinGW-w64
 * headers because FORCEINLINE expands to extern inline
 * which leads to the "multiple storage classes in declaration
 * specifiers" compiler error.
 */
#ifdef __MINGW32__
# include <_mingw.h>
# ifdef __MINGW64_VERSION_MAJOR
#  undef __forceinline
#  define __forceinline __inline__ __attribute__((__always_inline__,__gnu_inline__))
# endif
#endif

#define VK_NO_PROTOTYPES
#define COBJMACROS
#define INITGUID
#define WIDL_C_INLINE_WRAPPERS
#include "vkd3d_test.h"
#include <vkd3d.h>

#include "d3d12_test_utils.h"

#define DECLARE_VK_PFN(name) static PFN_##name name;
DECLARE_VK_PFN(vkEnumerateInstanceExtensionProperties)
DECLARE_VK_PFN(vkGetInstanceProcAddr)
#define VK_INSTANCE_PFN   DECLARE_VK_PFN
#define VK_DEVICE_PFN     DECLARE_VK_PFN
#include "vulkan_procs.h"

HRESULT WINAPI D3D12SerializeRootSignature(const D3D12_ROOT_SIGNATURE_DESC *root_signature_desc,
        D3D_ROOT_SIGNATURE_VERSION version, ID3DBlob **blob, ID3DBlob **error_blob)
{
    return vkd3d_serialize_root_signature(root_signature_desc, version, blob, error_blob);
}

static void wait_queue_idle_(unsigned int line, ID3D12Device *device, ID3D12CommandQueue *queue)
{
    VkQueue vk_queue;

    vk_queue = vkd3d_acquire_vk_queue(queue);
    vkQueueWaitIdle(vk_queue);
    vkd3d_release_vk_queue(queue);
}

static ULONG get_refcount(void *iface)
{
    IUnknown *unk = iface;
    IUnknown_AddRef(unk);
    return IUnknown_Release(unk);
}

static ULONG resource_get_internal_refcount(ID3D12Resource *resource)
{
    vkd3d_resource_incref(resource);
    return vkd3d_resource_decref(resource);
}

static HRESULT signal_event(HANDLE event)
{
    trace("Signal event %p.\n", event);
    return S_OK;
}

static const struct vkd3d_application_info instance_default_application_info =
{
    .type = VKD3D_STRUCTURE_TYPE_APPLICATION_INFO,
    .api_version = VKD3D_API_VERSION_1_2,
};

static const struct vkd3d_instance_create_info instance_default_create_info =
{
    .type = VKD3D_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
    .next = &instance_default_application_info,
    .wchar_size = sizeof(WCHAR),
    .pfn_signal_event = signal_event,
};

static const struct vkd3d_device_create_info device_default_create_info =
{
    .type = VKD3D_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
    .minimum_feature_level = D3D_FEATURE_LEVEL_11_0,
    .instance_create_info = &instance_default_create_info,
};

static ID3D12Device *create_device(void)
{
    ID3D12Device *device;
    HRESULT hr;

    hr = vkd3d_create_device(&device_default_create_info,
            &IID_ID3D12Device, (void **)&device);
    return SUCCEEDED(hr) ? device : NULL;
}

static void test_create_instance(void)
{
    struct vkd3d_instance_create_info create_info;
    struct vkd3d_instance *instance;
    ULONG refcount;
    HRESULT hr;

    create_info = instance_default_create_info;
    hr = vkd3d_create_instance(&create_info, &instance);
    ok(hr == S_OK, "Failed to create instance, hr %#x.\n", hr);
    refcount = vkd3d_instance_incref(instance);
    ok(refcount == 2, "Got unexpected refcount %u.\n", refcount);
    vkd3d_instance_decref(instance);
    refcount = vkd3d_instance_decref(instance);
    ok(!refcount, "Instance has %u references left.\n", refcount);

    create_info = instance_default_create_info;
    create_info.wchar_size = 1;
    hr = vkd3d_create_instance(&create_info, &instance);
    ok(hr == E_INVALIDARG, "Got unexpected hr %#x.\n", hr);

    create_info = instance_default_create_info;
    create_info.pfn_signal_event = NULL;
    hr = vkd3d_create_instance(&create_info, &instance);
    ok(hr == E_INVALIDARG, "Got unexpected hr %#x.\n", hr);

    create_info = instance_default_create_info;
    create_info.pfn_vkGetInstanceProcAddr = vkGetInstanceProcAddr;
    hr = vkd3d_create_instance(&create_info, &instance);
    ok(hr == S_OK, "Failed to create instance, hr %#x.\n", hr);
    refcount = vkd3d_instance_decref(instance);
    ok(!refcount, "Instance has %u references left.\n", refcount);
}

struct vulkan_extension
{
    const char *name;
    bool is_supported;
};

static uint32_t check_extensions(const char **enabled_extensions,
        struct vulkan_extension *extensions, unsigned int extension_count,
        const VkExtensionProperties *properties, unsigned int count)
{
    uint32_t enabled_extension_count = 0;
    unsigned int i, j;

    for (i = 0; i < count; ++i)
    {
        for (j = 0; j < extension_count; ++j)
        {
            if (!strcmp(properties[i].extensionName, extensions[j].name))
            {
                extensions[j].is_supported = true;
                enabled_extensions[enabled_extension_count++] = extensions[j].name;
            }
        }
    }

    return enabled_extension_count;
}

static uint32_t check_instance_extensions(const char **enabled_extensions,
        struct vulkan_extension *extensions, unsigned int extension_count)
{
    VkExtensionProperties *properties;
    uint32_t enabled_extension_count;
    uint32_t count;
    VkResult vr;

    vr = vkEnumerateInstanceExtensionProperties(NULL, &count, NULL);
    ok(vr == VK_SUCCESS, "Got unexpected VkResult %d.\n", vr);
    if (!count)
        return 0;

    properties = calloc(count, sizeof(*properties));
    ok(properties, "Failed to allocate memory.\n");
    vr = vkEnumerateInstanceExtensionProperties(NULL, &count, properties);
    ok(vr == VK_SUCCESS, "Got unexpected VkResult %d.\n", vr);
    enabled_extension_count = check_extensions(enabled_extensions,
            extensions, extension_count, properties, count);
    free(properties);
    return enabled_extension_count;
}

static uint32_t check_device_extensions(VkPhysicalDevice vk_physical_device,
        const char **enabled_extensions, struct vulkan_extension *extensions,
        unsigned int extension_count)
{
    VkExtensionProperties *properties;
    uint32_t enabled_extension_count;
    uint32_t count;
    VkResult vr;

    vr = vkEnumerateDeviceExtensionProperties(vk_physical_device, NULL, &count, NULL);
    ok(vr == VK_SUCCESS, "Got unexpected VkResult %d.\n", vr);
    if (!count)
        return 0;

    properties = calloc(count, sizeof(*properties));
    ok(properties, "Failed to allocate memory.\n");
    vr = vkEnumerateDeviceExtensionProperties(vk_physical_device, NULL, &count, properties);
    ok(vr == VK_SUCCESS, "Got unexpected VkResult %d.\n", vr);
    enabled_extension_count = check_extensions(enabled_extensions,
            extensions, extension_count, properties, count);
    free(properties);
    return enabled_extension_count;
}

static void test_additional_instance_extensions(void)
{
    struct vulkan_extension extensions[] =
    {
        {VK_KHR_SURFACE_EXTENSION_NAME},
        {"VK_KHR_xcb_surface"},
        {"VK_KHR_xlib_surface"},
    };

    const char *enabled_extensions[ARRAY_SIZE(extensions)];
    struct vkd3d_instance_create_info create_info;
    struct vkd3d_instance *instance;
    uint32_t extension_count;
    PFN_vkVoidFunction pfn;
    VkInstance vk_instance;
    unsigned int i;
    ULONG refcount;
    HRESULT hr;

    if (!(extension_count = check_instance_extensions(enabled_extensions,
            extensions, ARRAY_SIZE(extensions))))
    {
        skip("Found 0 extensions.\n");
        return;
    }

    create_info = instance_default_create_info;
    create_info.instance_extensions = enabled_extensions;
    create_info.instance_extension_count = extension_count;
    hr = vkd3d_create_instance(&create_info, &instance);
    ok(hr == S_OK, "Failed to create instance, hr %#x.\n", hr);
    vk_instance = vkd3d_instance_get_vk_instance(instance);
    ok(vk_instance != VK_NULL_HANDLE, "Failed to get Vulkan instance.\n");

    for (i = 0; i < ARRAY_SIZE(extensions); ++i)
    {
        if (!extensions[i].is_supported)
            continue;

        if (!strcmp(extensions[i].name, "VK_KHR_xcb_surface"))
        {
            pfn = vkGetInstanceProcAddr(vk_instance, "vkCreateXcbSurfaceKHR");
            ok(pfn, "Failed to get proc addr for vkCreateXcbSurfaceKHR.\n");
        }
        else if (!strcmp(extensions[i].name, "VK_KHR_xlib_surface"))
        {
            pfn = vkGetInstanceProcAddr(vk_instance, "vkCreateXlibSurfaceKHR");
            ok(pfn, "Failed to get proc addr for vkCreateXlibSurfaceKHR.\n");
        }
    }

    refcount = vkd3d_instance_decref(instance);
    ok(!refcount, "Instance has %u references left.\n", refcount);
}

static void test_create_device(void)
{
    struct vkd3d_instance *instance, *tmp_instance;
    struct vkd3d_device_create_info create_info;
    ID3D12Device *device;
    ULONG refcount;
    HRESULT hr;

    hr = vkd3d_create_device(NULL, &IID_ID3D12Device, (void **)&device);
    ok(hr == E_INVALIDARG, "Got unexpected hr %#x.\n", hr);

    create_info = device_default_create_info;
    create_info.instance = NULL;
    create_info.instance_create_info = NULL;
    hr = vkd3d_create_device(&create_info, &IID_ID3D12Device, (void **)&device);
    ok(hr == E_INVALIDARG, "Got unexpected hr %#x.\n", hr);

    create_info.instance_create_info = &instance_default_create_info;
    hr = vkd3d_create_device(&create_info, &IID_ID3D12Device, (void **)&device);
    ok(hr == S_OK, "Failed to create device, hr %#x.\n", hr);
    refcount = ID3D12Device_Release(device);
    ok(!refcount, "Device has %u references left.\n", refcount);

    hr = vkd3d_create_instance(&instance_default_create_info, &instance);
    ok(hr == S_OK, "Failed to create instance, hr %#x.\n", hr);

    create_info.instance = instance;
    create_info.instance_create_info = NULL;
    hr = vkd3d_create_device(&create_info, &IID_ID3D12Device, (void **)&device);
    ok(hr == S_OK, "Failed to create device, hr %#x.\n", hr);
    refcount = vkd3d_instance_incref(instance);
    ok(refcount >= 3, "Got unexpected refcount %u.\n", refcount);
    vkd3d_instance_decref(instance);
    tmp_instance = vkd3d_instance_from_device(device);
    ok(tmp_instance == instance, "Got instance %p, expected %p.\n", tmp_instance, instance);
    refcount = ID3D12Device_Release(device);
    ok(!refcount, "Device has %u references left.\n", refcount);

    create_info.instance = instance;
    create_info.instance_create_info = &instance_default_create_info;
    hr = vkd3d_create_device(&create_info, &IID_ID3D12Device, (void **)&device);
    ok(hr == E_INVALIDARG, "Got unexpected hr %#x.\n", hr);

    refcount = vkd3d_instance_decref(instance);
    ok(!refcount, "Instance has %u references left.\n", refcount);
}

static VkResult VKAPI_CALL fake_vkEnumerateDeviceExtensionProperties(
        VkPhysicalDevice physical_device, const char *layer_name,
        uint32_t *out_count, VkExtensionProperties *out_properties)
{
    VkExtensionProperties *properties;
    uint32_t count, i, j;
    VkResult vr;

    vr = vkEnumerateDeviceExtensionProperties(physical_device, layer_name, &count, NULL);
    ok(vr == VK_SUCCESS, "Got unexpected VkResult %d.\n", vr);
    if (!count)
    {
        *out_count = count;
        return vr;
    }

    properties = calloc(count, sizeof(*properties));
    ok(properties, "Failed to allocate memory.\n");

    vr = vkEnumerateDeviceExtensionProperties(physical_device, layer_name, &count, properties);
    ok(vr == VK_SUCCESS, "Got unexpected VkResult %d.\n", vr);

    vr = VK_SUCCESS;
    for (i = 0, j = 0; i < count; ++i)
    {
        /* Filter out VK_KHR_maintenance1. */
        if (!strcmp(properties[i].extensionName, VK_KHR_MAINTENANCE1_EXTENSION_NAME))
            continue;

        if (out_properties)
        {
            if (j < *out_count)
                out_properties[j] = properties[i];
            else
                vr = VK_INCOMPLETE;
        }

        ++j;
    }

    free(properties);

    *out_count = j;
    return vr;
}

static VkResult VKAPI_CALL fake_vkCreateDevice(VkPhysicalDevice physical_device,
        const VkDeviceCreateInfo *create_info, const VkAllocationCallbacks *allocator,
        VkDevice *device)
{
    uint32_t i;

    for (i = 0; i < create_info->enabledExtensionCount; ++i)
    {
        if (!strcmp(create_info->ppEnabledExtensionNames[i], VK_KHR_MAINTENANCE1_EXTENSION_NAME))
            return VK_ERROR_EXTENSION_NOT_PRESENT;
    }

    return vkCreateDevice(physical_device, create_info, allocator, device);
}

static PFN_vkVoidFunction VKAPI_CALL fake_vkGetInstanceProcAddr(VkInstance instance,
        const char *name)
{
    if (!strcmp(name, "vkCreateDevice"))
        return (PFN_vkVoidFunction)fake_vkCreateDevice;
    if (!strcmp(name, "vkEnumerateDeviceExtensionProperties"))
        return (PFN_vkVoidFunction)fake_vkEnumerateDeviceExtensionProperties;

    return vkGetInstanceProcAddr(instance, name);
}

static void test_required_device_extensions(void)
{
    struct vkd3d_instance_create_info instance_create_info;
    struct vkd3d_device_create_info device_create_info;
    struct vkd3d_instance *instance;
    ID3D12Device *device;
    ULONG refcount;
    HRESULT hr;

    instance_create_info = instance_default_create_info;
    instance_create_info.pfn_vkGetInstanceProcAddr = fake_vkGetInstanceProcAddr;
    hr = vkd3d_create_instance(&instance_create_info, &instance);
    ok(hr == S_OK, "Failed to create instance, hr %#x.\n", hr);

    device_create_info = device_default_create_info;
    device_create_info.instance = instance;
    device_create_info.instance_create_info = NULL;
    hr = vkd3d_create_device(&device_create_info, &IID_ID3D12Device, (void **)&device);
    ok(hr == E_FAIL, "Failed to create device, hr %#x.\n", hr);

    refcount = vkd3d_instance_decref(instance);
    ok(!refcount, "Instance has %u references left.\n", refcount);
}

static void test_additional_device_extensions(void)
{
    struct vulkan_extension extensions[] =
    {
        {VK_KHR_SWAPCHAIN_EXTENSION_NAME},
    };

    struct vkd3d_instance_create_info instance_create_info;
    const char *enabled_extensions[ARRAY_SIZE(extensions)];
    struct vkd3d_device_create_info device_create_info;
    VkPhysicalDevice vk_physical_device;
    struct vkd3d_instance *instance;
    uint32_t extension_count;
    PFN_vkVoidFunction pfn;
    VkInstance vk_instance;
    ID3D12Device *device;
    VkDevice vk_device;
    uint32_t count;
    ULONG refcount;
    VkResult vr;
    HRESULT hr;

    /* Required by VK_KHR_swapchain. */
    enabled_extensions[0] = VK_KHR_SURFACE_EXTENSION_NAME;
    extension_count = 1;

    instance_create_info = instance_default_create_info;
    instance_create_info.instance_extensions = enabled_extensions;
    instance_create_info.instance_extension_count = extension_count;
    if (FAILED(hr = vkd3d_create_instance(&instance_create_info, &instance)))
    {
        skip("Failed to create instance, hr %#x.\n", hr);
        return;
    }
    ok(hr == S_OK, "Failed to create instance, hr %#x.\n", hr);
    vk_instance = vkd3d_instance_get_vk_instance(instance);
    ok(vk_instance != VK_NULL_HANDLE, "Failed to get Vulkan instance.\n");

    vr = vkEnumeratePhysicalDevices(vk_instance, &count, NULL);
    ok(vr == VK_SUCCESS, "Got unexpected VkResult %d.\n", vr);
    count = 1;
    vr = vkEnumeratePhysicalDevices(vk_instance, &count, &vk_physical_device);
    ok(vr == VK_SUCCESS || vr == VK_INCOMPLETE, "Got unexpected VkResult %d.\n", vr);

    if (!(extension_count = check_device_extensions(vk_physical_device,
            enabled_extensions, extensions, ARRAY_SIZE(extensions))))
    {
        skip("%s is not available.\n", VK_KHR_SWAPCHAIN_EXTENSION_NAME);
        vkd3d_instance_decref(instance);
        return;
    }

    device_create_info = device_default_create_info;
    device_create_info.instance = instance;
    device_create_info.instance_create_info = NULL;
    device_create_info.vk_physical_device = vk_physical_device;
    device_create_info.device_extensions = enabled_extensions;
    device_create_info.device_extension_count = extension_count;
    hr = vkd3d_create_device(&device_create_info, &IID_ID3D12Device, (void **)&device);
    ok(hr == S_OK, "Failed to create device, hr %#x.\n", hr);

    vk_device = vkd3d_get_vk_device(device);

    pfn = vkGetDeviceProcAddr(vk_device, "vkCreateSwapchainKHR");
    ok(pfn, "Failed to get proc addr for vkCreateSwapchainKHR.\n");

    refcount = ID3D12Device_Release(device);
    ok(!refcount, "Device has %u references left.\n", refcount);
    refcount = vkd3d_instance_decref(instance);
    ok(!refcount, "Instance has %u references left.\n", refcount);
}

static void test_optional_device_extensions(void)
{
    static const char * const extensions[] =
    {
        "VK_VKD3D_invalid_extension",
        VK_KHR_BIND_MEMORY_2_EXTENSION_NAME,
    };

    struct vkd3d_optional_device_extensions_info optional_extensions;
    struct vkd3d_instance_create_info instance_create_info;
    struct vkd3d_device_create_info device_create_info;
    struct vkd3d_instance *instance;
    ID3D12Device *device;
    ULONG refcount;
    HRESULT hr;

    instance_create_info = instance_default_create_info;
    hr = vkd3d_create_instance(&instance_create_info, &instance);
    ok(hr == S_OK, "Failed to create instance, hr %#x.\n", hr);

    device_create_info = device_default_create_info;
    device_create_info.instance = instance;
    device_create_info.instance_create_info = NULL;
    device_create_info.device_extensions = extensions;
    device_create_info.device_extension_count = ARRAY_SIZE(extensions);
    hr = vkd3d_create_device(&device_create_info, &IID_ID3D12Device, (void **)&device);
    ok(hr == E_FAIL, "Got unexpected hr %#x.\n", hr);

    optional_extensions.type = VKD3D_STRUCTURE_TYPE_OPTIONAL_DEVICE_EXTENSIONS_INFO;
    optional_extensions.next = NULL;
    optional_extensions.extensions = extensions;
    optional_extensions.extension_count = ARRAY_SIZE(extensions);

    device_create_info.next = &optional_extensions;
    device_create_info.device_extensions = NULL;
    device_create_info.device_extension_count = 0;
    hr = vkd3d_create_device(&device_create_info, &IID_ID3D12Device, (void **)&device);
    ok(hr == S_OK, "Failed to create device, hr %#x.\n", hr);

    refcount = ID3D12Device_Release(device);
    ok(!refcount, "Device has %u references left.\n", refcount);
    refcount = vkd3d_instance_decref(instance);
    ok(!refcount, "Instance has %u references left.\n", refcount);
}

static void test_physical_device(void)
{
    struct vkd3d_device_create_info create_info;
    VkPhysicalDevice *vk_physical_devices;
    VkPhysicalDevice vk_physical_device;
    struct vkd3d_instance *instance;
    VkInstance vk_instance;
    ID3D12Device *device;
    uint32_t i, count;
    ULONG refcount;
    VkResult vr;
    HRESULT hr;

    hr = vkd3d_create_instance(&instance_default_create_info, &instance);
    ok(hr == S_OK, "Failed to create instance, hr %#x.\n", hr);
    vk_instance = vkd3d_instance_get_vk_instance(instance);
    ok(vk_instance != VK_NULL_HANDLE, "Failed to get Vulkan instance.\n");

    create_info = device_default_create_info;
    create_info.instance = instance;
    create_info.instance_create_info = NULL;
    create_info.vk_physical_device = VK_NULL_HANDLE;
    hr = vkd3d_create_device(&create_info, &IID_ID3D12Device, (void **)&device);
    ok(hr == S_OK, "Failed to create device, hr %#x.\n", hr);
    vk_physical_device = vkd3d_get_vk_physical_device(device);
    trace("Default Vulkan physical device %p.\n", vk_physical_device);
    refcount = ID3D12Device_Release(device);
    ok(!refcount, "Device has %u references left.\n", refcount);

    vr = vkEnumeratePhysicalDevices(vk_instance, &count, NULL);
    ok(vr == VK_SUCCESS, "Got unexpected VkResult %d.\n", vr);
    vk_physical_devices = calloc(count, sizeof(*vk_physical_devices));
    ok(vk_physical_devices, "Failed to allocate memory.\n");
    vr = vkEnumeratePhysicalDevices(vk_instance, &count, vk_physical_devices);
    ok(vr == VK_SUCCESS, "Got unexpected VkResult %d.\n", vr);

    if (!getenv("VKD3D_VULKAN_DEVICE"))
    {
        for (i = 0; i < count; ++i)
        {
            trace("Creating device for Vulkan physical device %p.\n", vk_physical_devices[i]);

            create_info.vk_physical_device = vk_physical_devices[i];
            hr = vkd3d_create_device(&create_info, &IID_ID3D12Device, (void **)&device);
            ok(hr == S_OK, "Failed to create device, hr %#x.\n", hr);
            vk_physical_device = vkd3d_get_vk_physical_device(device);
            ok(vk_physical_device == vk_physical_devices[i],
                    "Got unexpected Vulkan physical device %p.\n", vk_physical_device);
            refcount = ID3D12Device_Release(device);
            ok(!refcount, "Device has %u references left.\n", refcount);
        }
    }
    else
    {
        skip("VKD3D_VULKAN_DEVICE is set.\n");
    }

    free(vk_physical_devices);
    refcount = vkd3d_instance_decref(instance);
    ok(!refcount, "Instance has %u references left.\n", refcount);
}

static void test_adapter_luid(void)
{
    struct vkd3d_device_create_info create_info;
    ID3D12Device *device;
    ULONG refcount;
    HRESULT hr;
    LUID luid;

    create_info = device_default_create_info;
    create_info.adapter_luid.HighPart = 0xdeadc0de;
    create_info.adapter_luid.LowPart = 0xdeadbeef;
    hr = vkd3d_create_device(&create_info, &IID_ID3D12Device, (void **)&device);
    ok(hr == S_OK, "Failed to create device, hr %#x.\n", hr);

    luid = ID3D12Device_GetAdapterLuid(device);
    ok(luid.HighPart == 0xdeadc0de && luid.LowPart == 0xdeadbeef,
            "Got unexpected LUID %08x:%08x.\n", luid.HighPart, luid.LowPart);

    refcount = ID3D12Device_Release(device);
    ok(!refcount, "Device has %u references left.\n", refcount);
}

struct parent
{
    IUnknown IUnknown_iface;
    unsigned int refcount;
};

static struct parent *parent_from_IUnknown(IUnknown *iface)
{
    return CONTAINING_RECORD(iface, struct parent, IUnknown_iface);
}

static HRESULT STDMETHODCALLTYPE parent_QueryInterface(IUnknown *iface,
        REFIID iid, void **object)
{
    if (IsEqualGUID(iid, &IID_IUnknown))
    {
        IUnknown_AddRef(iface);
        *object = iface;
        return S_OK;
    }

    ok(false, "Unexpected QueryInterface() call.\n");
    return E_NOINTERFACE;
}

static ULONG STDMETHODCALLTYPE parent_AddRef(IUnknown *iface)
{
    struct parent *parent = parent_from_IUnknown(iface);

    return vkd3d_atomic_increment_u32(&parent->refcount);
}

static ULONG STDMETHODCALLTYPE parent_Release(IUnknown *iface)
{
    struct parent *parent = parent_from_IUnknown(iface);

    return vkd3d_atomic_decrement_u32(&parent->refcount);
}

static const struct IUnknownVtbl parent_vtbl =
{
    parent_QueryInterface,
    parent_AddRef,
    parent_Release,
};

static void test_device_parent(void)
{
    struct vkd3d_device_create_info create_info;
    struct parent parent_impl;
    ID3D12Device *device;
    IUnknown *unknown;
    IUnknown *parent;
    ULONG refcount;
    HRESULT hr;

    parent_impl.IUnknown_iface.lpVtbl = &parent_vtbl;
    parent_impl.refcount = 1;
    parent = &parent_impl.IUnknown_iface;

    refcount = get_refcount(parent);
    ok(refcount == 1, "Got unexpected refcount %u.\n", refcount);

    create_info = device_default_create_info;
    create_info.parent = parent;
    hr = vkd3d_create_device(&create_info, &IID_ID3D12Device, (void **)&device);
    ok(hr == S_OK, "Failed to create device, hr %#x.\n", hr);

    refcount = get_refcount(parent);
    ok(refcount == 2, "Got unexpected refcount %u.\n", refcount);

    unknown = vkd3d_get_device_parent(device);
    ok(unknown == parent, "Got device parent %p, expected %p.\n", unknown, parent);

    refcount = ID3D12Device_Release(device);
    ok(!refcount, "Device has %u references left.\n", refcount);

    refcount = get_refcount(parent);
    ok(refcount == 1, "Got unexpected refcount %u.\n", refcount);
}

static void test_vkd3d_queue(void)
{
    ID3D12CommandQueue *direct_queue, *compute_queue, *copy_queue;
    uint32_t vk_queue_family;
    ID3D12Device *device;
    VkQueue vk_queue;
    ULONG refcount;

    device = create_device();
    ok(device, "Failed to create device.\n");

    direct_queue = create_command_queue(device, D3D12_COMMAND_LIST_TYPE_DIRECT, D3D12_COMMAND_QUEUE_PRIORITY_NORMAL);
    ok(direct_queue, "Failed to create direct command queue.\n");
    compute_queue = create_command_queue(device, D3D12_COMMAND_LIST_TYPE_COMPUTE, D3D12_COMMAND_QUEUE_PRIORITY_NORMAL);
    ok(compute_queue, "Failed to create compute command queue.\n");
    copy_queue = create_command_queue(device, D3D12_COMMAND_LIST_TYPE_COPY, D3D12_COMMAND_QUEUE_PRIORITY_NORMAL);
    ok(copy_queue, "Failed to create copy command queue.\n");

    vk_queue_family = vkd3d_get_vk_queue_family_index(direct_queue);
    trace("Direct queue family index %u.\n", vk_queue_family);
    vk_queue_family = vkd3d_get_vk_queue_family_index(compute_queue);
    trace("Compute queue family index %u.\n", vk_queue_family);
    vk_queue_family = vkd3d_get_vk_queue_family_index(copy_queue);
    trace("Copy queue family index %u.\n", vk_queue_family);

    vk_queue = vkd3d_acquire_vk_queue(direct_queue);
    ok(vk_queue != VK_NULL_HANDLE, "Failed to acquire Vulkan queue.\n");
    vkd3d_release_vk_queue(direct_queue);
    vk_queue = vkd3d_acquire_vk_queue(compute_queue);
    ok(vk_queue != VK_NULL_HANDLE, "Failed to acquire Vulkan queue.\n");
    vkd3d_release_vk_queue(compute_queue);
    vk_queue = vkd3d_acquire_vk_queue(copy_queue);
    ok(vk_queue != VK_NULL_HANDLE, "Failed to acquire Vulkan queue.\n");
    vkd3d_release_vk_queue(copy_queue);

    ID3D12CommandQueue_Release(direct_queue);
    ID3D12CommandQueue_Release(compute_queue);
    ID3D12CommandQueue_Release(copy_queue);
    refcount = ID3D12Device_Release(device);
    ok(!refcount, "Device has %u references left.\n", refcount);
}

static void test_resource_internal_refcount(void)
{
    ID3D12Resource *resource;
    ID3D12Device *device;
    ULONG refcount;

    device = create_device();
    ok(device, "Failed to create device.\n");

    resource = create_buffer(device, D3D12_HEAP_TYPE_UPLOAD, 1024,
            D3D12_RESOURCE_FLAG_NONE, D3D12_RESOURCE_STATE_GENERIC_READ);
    refcount = vkd3d_resource_incref(resource);
    ok(refcount == 2, "Got refcount %u.\n", refcount);
    refcount = ID3D12Resource_Release(resource);
    ok(!refcount, "Got refcount %u.\n", refcount);
    refcount = resource_get_internal_refcount(resource);
    ok(refcount == 1, "Got refcount %u.\n", refcount);
    refcount = vkd3d_resource_decref(resource);
    ok(!refcount, "Got refcount %u.\n", refcount);

    resource = create_buffer(device, D3D12_HEAP_TYPE_UPLOAD, 1024,
            D3D12_RESOURCE_FLAG_NONE, D3D12_RESOURCE_STATE_GENERIC_READ);
    refcount = vkd3d_resource_incref(resource);
    ok(refcount == 2, "Got refcount %u.\n", refcount);
    refcount = ID3D12Resource_Release(resource);
    ok(!refcount, "Got refcount %u.\n", refcount);
    refcount = resource_get_internal_refcount(resource);
    ok(refcount == 1, "Got refcount %u.\n", refcount);
    refcount = ID3D12Resource_AddRef(resource);
    ok(refcount == 1, "Got refcount %u.\n", refcount);
    refcount = vkd3d_resource_decref(resource);
    ok(refcount == 1, "Got refcount %u.\n", refcount);
    refcount = ID3D12Resource_Release(resource);
    ok(!refcount, "Got refcount %u.\n", refcount);

    refcount = ID3D12Device_Release(device);
    ok(!refcount, "Device has %u references left.\n", refcount);
}

static VkImage create_vulkan_image(ID3D12Device *device,
        unsigned int width, unsigned int height, VkFormat vk_format, VkImageUsageFlags usage)
{
    VkImageCreateInfo image_info;
    VkDevice vk_device;
    VkImage vk_image;
    VkResult vr;

    vk_device = vkd3d_get_vk_device(device);

    image_info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
    image_info.pNext = NULL;
    image_info.imageType = VK_IMAGE_TYPE_2D;
    image_info.format = vk_format;
    image_info.extent.width = width;
    image_info.extent.height = height;
    image_info.extent.depth = 1;
    image_info.arrayLayers = 1;
    image_info.mipLevels = 1;
    image_info.samples = VK_SAMPLE_COUNT_1_BIT;
    image_info.tiling = VK_IMAGE_TILING_OPTIMAL;
    image_info.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT;
    image_info.usage |= usage;
    image_info.flags = 0;
    image_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
    image_info.queueFamilyIndexCount = 0;
    image_info.pQueueFamilyIndices = NULL;
    image_info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;

    vr = vkCreateImage(vk_device, &image_info, NULL, &vk_image);
    ok(vr == VK_SUCCESS, "Failed to create image, vr %d.\n", vr);

    return vk_image;
}

static unsigned int select_vulkan_memory_type(ID3D12Device *device,
        uint32_t memory_type_mask, VkMemoryPropertyFlags required_flags)
{
    VkPhysicalDeviceMemoryProperties memory_info;
    VkPhysicalDevice vk_physical_device;
    unsigned int i;

    vk_physical_device = vkd3d_get_vk_physical_device(device);

    vkGetPhysicalDeviceMemoryProperties(vk_physical_device, &memory_info);

    for (i = 0; i < memory_info.memoryTypeCount; ++i)
    {
        if (!(memory_type_mask & (1u << i)))
            continue;
        if ((memory_info.memoryTypes[i].propertyFlags & required_flags) == required_flags)
            return i;
    }

    return ~0u;
}

static VkDeviceMemory allocate_vulkan_device_memory(ID3D12Device *device,
        VkMemoryPropertyFlags required_flags, const VkMemoryRequirements *memory_requirements)
{
    VkMemoryAllocateInfo allocate_info;
    VkDeviceMemory vk_memory;
    VkDevice vk_device;
    VkResult vr;

    vk_device = vkd3d_get_vk_device(device);

    allocate_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
    allocate_info.pNext = NULL;
    allocate_info.allocationSize = memory_requirements->size;
    allocate_info.memoryTypeIndex = select_vulkan_memory_type(device,
            memory_requirements->memoryTypeBits, required_flags);
    ok(allocate_info.memoryTypeIndex != ~0u, "Failed to find memory type.\n");

    vr = vkAllocateMemory(vk_device, &allocate_info, NULL, &vk_memory);
    ok(vr == VK_SUCCESS, "Got unexpected VkResult %d.\n", vr);

    return vk_memory;
}

static VkDeviceMemory allocate_vulkan_image_memory(ID3D12Device *device,
        VkMemoryPropertyFlags required_flags, VkImage vk_image)
{
    VkMemoryRequirements memory_requirements;
    VkDeviceMemory vk_memory;
    VkDevice vk_device;
    VkResult vr;

    vk_device = vkd3d_get_vk_device(device);

    vkGetImageMemoryRequirements(vk_device, vk_image, &memory_requirements);
    vk_memory = allocate_vulkan_device_memory(device, required_flags, &memory_requirements);

    vr = vkBindImageMemory(vk_device, vk_image, vk_memory, 0);
    ok(vr == VK_SUCCESS, "Got unexpected VkResult %d.\n", vr);

    return vk_memory;
}

static void test_external_resource_map(void)
{
    struct vkd3d_image_resource_create_info resource_create_info;
    D3D12_HEAP_PROPERTIES heap_properties;
    D3D12_GPU_VIRTUAL_ADDRESS gpu_address;
    D3D12_HEAP_FLAGS heap_flags;
    ID3D12Resource *vk_resource;
    VkDeviceMemory vk_memory;
    ID3D12Device *device;
    VkDevice vk_device;
    VkImage vk_image;
    ULONG refcount;
    HRESULT hr;
    void *ptr;

    device = create_device();
    ok(device, "Failed to create device.\n");

    vk_image = create_vulkan_image(device, 32, 32,
            VK_FORMAT_R8G8B8A8_UNORM, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT);
    vk_memory = allocate_vulkan_image_memory(device,
            VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, vk_image);

    resource_create_info.type = VKD3D_STRUCTURE_TYPE_IMAGE_RESOURCE_CREATE_INFO;
    resource_create_info.next = NULL;
    resource_create_info.vk_image = vk_image;
    resource_create_info.desc.Dimension = D3D12_RESOURCE_DIMENSION_TEXTURE2D;
    resource_create_info.desc.Alignment = 0;
    resource_create_info.desc.Width = 32;
    resource_create_info.desc.Height = 32;
    resource_create_info.desc.DepthOrArraySize = 1;
    resource_create_info.desc.MipLevels = 1;
    resource_create_info.desc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
    resource_create_info.desc.SampleDesc.Count = 1;
    resource_create_info.desc.SampleDesc.Quality = 0;
    resource_create_info.desc.Layout = D3D12_TEXTURE_LAYOUT_UNKNOWN;
    resource_create_info.desc.Flags = 0;
    resource_create_info.flags = VKD3D_RESOURCE_INITIAL_STATE_TRANSITION;
    hr = vkd3d_create_image_resource(device, &resource_create_info, &vk_resource);
    ok(hr == S_OK, "Failed to create D3D12 resource for Vulkan image, hr %#x.\n", hr);

    ptr = (void *)0xdeadbeef;
    hr = ID3D12Resource_Map(vk_resource, 0, NULL, &ptr);
    ok(hr == E_INVALIDARG, "Got unexpected hr %#x.\n", hr);
    ok(ptr == (void *)0xdeadbeef, "Pointer was modified %p.\n", ptr);

    gpu_address = ID3D12Resource_GetGPUVirtualAddress(vk_resource);
    ok(!gpu_address, "Got unexpected GPU virtual address %#"PRIx64".\n", gpu_address);

    hr = ID3D12Resource_GetHeapProperties(vk_resource, &heap_properties, &heap_flags);
    ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
    ok(heap_properties.Type == D3D12_HEAP_TYPE_DEFAULT, "Got unexpected heap type %#x.\n", heap_properties.Type);
    ok(heap_properties.CPUPageProperty == D3D12_CPU_PAGE_PROPERTY_UNKNOWN,
            "Got unexpected CPU page property %#x.\n", heap_properties.CPUPageProperty);
    ok(heap_properties.MemoryPoolPreference == D3D12_MEMORY_POOL_UNKNOWN,
            "Got unexpected memory pool preference %#x.\n", heap_properties.MemoryPoolPreference);
    ok(!!heap_properties.CreationNodeMask, "Got unexpected node mask %#x.\n", heap_properties.CreationNodeMask);
    ok(!!heap_properties.VisibleNodeMask, "Got unexpected node mask %#x.\n", heap_properties.VisibleNodeMask);

    ID3D12Resource_Release(vk_resource);
    vk_device = vkd3d_get_vk_device(device);
    vkDestroyImage(vk_device, vk_image, NULL);
    vkFreeMemory(vk_device, vk_memory, NULL);
    refcount = ID3D12Device_Release(device);
    ok(!refcount, "Device has %u references left.\n", refcount);
}

static void test_external_resource_present_state(void)
{
    static const float white[] = {1.0f, 1.0f, 1.0f, 1.0f};

    struct vkd3d_image_resource_create_info resource_create_info;
    ID3D12GraphicsCommandList *command_list;
    ID3D12Resource *vk_resource, *resource;
    D3D12_CPU_DESCRIPTOR_HANDLE rtv;
    struct test_context_desc desc;
    struct test_context context;
    ID3D12CommandQueue *queue;
    VkDeviceMemory vk_memory;
    ID3D12Device *device;
    VkDevice vk_device;
    VkImage vk_image;
    HRESULT hr;

    memset(&desc, 0, sizeof(desc));
    desc.rt_width = desc.rt_height = 32;
    if (!init_test_context(&context, &desc))
        return;
    device = context.device;
    command_list = context.list;
    queue = context.queue;

    resource = create_default_texture(device, 32, 32, DXGI_FORMAT_R8G8B8A8_UNORM,
            D3D12_RESOURCE_FLAG_NONE, D3D12_RESOURCE_STATE_COPY_DEST);

    vk_image = create_vulkan_image(device, 32, 32,
            VK_FORMAT_R8G8B8A8_UNORM, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT);
    vk_memory = allocate_vulkan_image_memory(device,
            VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, vk_image);

    resource_create_info.type = VKD3D_STRUCTURE_TYPE_IMAGE_RESOURCE_CREATE_INFO;
    resource_create_info.next = NULL;
    resource_create_info.vk_image = vk_image;
    resource_create_info.desc.Dimension = D3D12_RESOURCE_DIMENSION_TEXTURE2D;
    resource_create_info.desc.Alignment = 0;
    resource_create_info.desc.Width = 32;
    resource_create_info.desc.Height = 32;
    resource_create_info.desc.DepthOrArraySize = 1;
    resource_create_info.desc.MipLevels = 1;
    resource_create_info.desc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
    resource_create_info.desc.SampleDesc.Count = 1;
    resource_create_info.desc.SampleDesc.Quality = 0;
    resource_create_info.desc.Layout = D3D12_TEXTURE_LAYOUT_UNKNOWN;
    resource_create_info.desc.Flags = D3D12_RESOURCE_FLAG_ALLOW_RENDER_TARGET;
    resource_create_info.flags = VKD3D_RESOURCE_INITIAL_STATE_TRANSITION | VKD3D_RESOURCE_PRESENT_STATE_TRANSITION;
    resource_create_info.present_state = D3D12_RESOURCE_STATE_COPY_SOURCE;
    hr = vkd3d_create_image_resource(device, &resource_create_info, &vk_resource);
    ok(hr == S_OK, "Failed to create D3D12 resource for Vulkan image, hr %#x.\n", hr);

    rtv = get_cpu_descriptor_handle(&context, context.rtv_heap, 0);
    ID3D12Device_CreateRenderTargetView(device, vk_resource, NULL, rtv);

    transition_resource_state(command_list, vk_resource,
            D3D12_RESOURCE_STATE_PRESENT, D3D12_RESOURCE_STATE_RENDER_TARGET);

    ID3D12GraphicsCommandList_ClearRenderTargetView(command_list, rtv, white, 0, NULL);
    ID3D12GraphicsCommandList_OMSetRenderTargets(command_list, 1, &rtv, false, NULL);
    ID3D12GraphicsCommandList_SetGraphicsRootSignature(command_list, context.root_signature);
    ID3D12GraphicsCommandList_SetPipelineState(command_list, context.pipeline_state);
    ID3D12GraphicsCommandList_IASetPrimitiveTopology(command_list, D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
    ID3D12GraphicsCommandList_RSSetViewports(command_list, 1, &context.viewport);
    ID3D12GraphicsCommandList_RSSetScissorRects(command_list, 1, &context.scissor_rect);
    ID3D12GraphicsCommandList_DrawInstanced(command_list, 3, 1, 0, 0);

    transition_resource_state(command_list, vk_resource,
            D3D12_RESOURCE_STATE_RENDER_TARGET, D3D12_RESOURCE_STATE_PRESENT);
    ID3D12GraphicsCommandList_CopyResource(command_list, resource, vk_resource);
    transition_resource_state(command_list, resource,
            D3D12_RESOURCE_STATE_COPY_DEST, D3D12_RESOURCE_STATE_COPY_SOURCE);

    check_sub_resource_uint(resource, 0, queue, command_list, 0xff00ff00, 0);

    ID3D12Resource_Release(vk_resource);
    vk_device = vkd3d_get_vk_device(device);
    vkDestroyImage(vk_device, vk_image, NULL);
    vkFreeMemory(vk_device, vk_memory, NULL);
    ID3D12Resource_Release(resource);
    destroy_test_context(&context);
}

static void test_formats(void)
{
    DXGI_FORMAT dxgi_format, format;
    VkFormat vk_format;
    unsigned int i;

    static const DXGI_FORMAT formats[] =
    {
        DXGI_FORMAT_R32G32B32A32_FLOAT,
        DXGI_FORMAT_R32G32B32A32_UINT,
        DXGI_FORMAT_R32G32B32A32_SINT,
        DXGI_FORMAT_R32G32B32_FLOAT,
        DXGI_FORMAT_R32G32B32_UINT,
        DXGI_FORMAT_R32G32B32_SINT,
        DXGI_FORMAT_R16G16B16A16_FLOAT,
        DXGI_FORMAT_R16G16B16A16_UNORM,
        DXGI_FORMAT_R16G16B16A16_UINT,
        DXGI_FORMAT_R16G16B16A16_SNORM,
        DXGI_FORMAT_R16G16B16A16_SINT,
        DXGI_FORMAT_R32G32_FLOAT,
        DXGI_FORMAT_R32G32_UINT,
        DXGI_FORMAT_R32G32_SINT,
        DXGI_FORMAT_R10G10B10A2_UNORM,
        DXGI_FORMAT_R11G11B10_FLOAT,
        DXGI_FORMAT_R8G8B8A8_UNORM,
        DXGI_FORMAT_R8G8B8A8_UNORM_SRGB,
        DXGI_FORMAT_R8G8B8A8_UINT,
        DXGI_FORMAT_R8G8B8A8_SNORM,
        DXGI_FORMAT_R8G8B8A8_SINT,
        DXGI_FORMAT_R16G16_FLOAT,
        DXGI_FORMAT_R16G16_UNORM,
        DXGI_FORMAT_R16G16_UINT,
        DXGI_FORMAT_R16G16_SNORM,
        DXGI_FORMAT_R16G16_SINT,
        DXGI_FORMAT_D32_FLOAT,
        DXGI_FORMAT_R32_FLOAT,
        DXGI_FORMAT_R32_UINT,
        DXGI_FORMAT_R32_SINT,
        DXGI_FORMAT_R8G8_UNORM,
        DXGI_FORMAT_R8G8_UINT,
        DXGI_FORMAT_R8G8_SNORM,
        DXGI_FORMAT_R8G8_SINT,
        DXGI_FORMAT_R16_FLOAT,
        DXGI_FORMAT_D16_UNORM,
        DXGI_FORMAT_R16_UNORM,
        DXGI_FORMAT_R16_UINT,
        DXGI_FORMAT_R16_SNORM,
        DXGI_FORMAT_R16_SINT,
        DXGI_FORMAT_R8_UNORM,
        DXGI_FORMAT_R8_UINT,
        DXGI_FORMAT_R8_SNORM,
        DXGI_FORMAT_R8_SINT,
    };

    for (i = 0; i < ARRAY_SIZE(formats); ++i)
    {
        format = formats[i];
        vk_format = vkd3d_get_vk_format(format);
        dxgi_format = vkd3d_get_dxgi_format(vk_format);
        ok(dxgi_format == format, "Got format %#x, expected %#x.\n", dxgi_format, format);
    }
}

static void test_application_info(void)
{
    D3D12_FEATURE_DATA_ROOT_SIGNATURE root_signature;
    struct vkd3d_instance_create_info create_info;
    struct vkd3d_device_create_info device_info;
    struct vkd3d_application_info app_info;
    struct vkd3d_instance *instance;
    ID3D12Device *device;
    unsigned int i;
    ULONG refcount;
    HRESULT hr;

    static const struct
    {
        enum vkd3d_api_version api_version;
        D3D_ROOT_SIGNATURE_VERSION rs_version;
    }
    root_signature_versions[] =
    {
        {VKD3D_API_VERSION_1_0, D3D_ROOT_SIGNATURE_VERSION_1_0},
        {VKD3D_API_VERSION_1_1, D3D_ROOT_SIGNATURE_VERSION_1_0},
        {VKD3D_API_VERSION_1_2, D3D_ROOT_SIGNATURE_VERSION_1_1},
    };

    app_info.type = VKD3D_STRUCTURE_TYPE_APPLICATION_INFO;
    app_info.next = NULL;
    app_info.engine_name = NULL;
    app_info.engine_version = 0;
    app_info.application_name = NULL;
    app_info.application_version = 0;
    app_info.api_version = VKD3D_API_VERSION_1_0;

    create_info = instance_default_create_info;
    create_info.next = &app_info;
    hr = vkd3d_create_instance(&create_info, &instance);
    ok(hr == S_OK, "Failed to create instance, hr %#x.\n", hr);
    refcount = vkd3d_instance_decref(instance);
    ok(!refcount, "Instance has %u references left.\n", refcount);

    app_info.application_name = "vkd3d_api_tests";
    app_info.application_version = 0xdeadbeef;
    hr = vkd3d_create_instance(&create_info, &instance);
    ok(hr == S_OK, "Failed to create instance, hr %#x.\n", hr);
    refcount = vkd3d_instance_decref(instance);
    ok(!refcount, "Instance has %u references left.\n", refcount);

    app_info.engine_name = "engine_name";
    hr = vkd3d_create_instance(&create_info, &instance);
    ok(hr == S_OK, "Failed to create instance, hr %#x.\n", hr);
    refcount = vkd3d_instance_decref(instance);
    ok(!refcount, "Instance has %u references left.\n", refcount);

    app_info.engine_name = "engine_name";
    app_info.engine_version = 2;
    hr = vkd3d_create_instance(&create_info, &instance);
    ok(hr == S_OK, "Failed to create instance, hr %#x.\n", hr);
    refcount = vkd3d_instance_decref(instance);
    ok(!refcount, "Instance has %u references left.\n", refcount);

    device_info = device_default_create_info;
    device_info.instance_create_info = &create_info;
    for (i = 0; i < ARRAY_SIZE(root_signature_versions); ++i)
    {
        app_info.api_version = root_signature_versions[i].api_version;
        hr = vkd3d_create_device(&device_info, &IID_ID3D12Device, (void **)&device);
        ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);

        root_signature.HighestVersion = D3D_ROOT_SIGNATURE_VERSION_1_0;
        hr = ID3D12Device_CheckFeatureSupport(device, D3D12_FEATURE_ROOT_SIGNATURE,
                &root_signature, sizeof(root_signature));
        ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
        ok(root_signature.HighestVersion == D3D_ROOT_SIGNATURE_VERSION_1_0,
                "Got unexpected root signature feature version %#x.\n", root_signature.HighestVersion);

        root_signature.HighestVersion = D3D_ROOT_SIGNATURE_VERSION_1_1;
        hr = ID3D12Device_CheckFeatureSupport(device, D3D12_FEATURE_ROOT_SIGNATURE,
                &root_signature, sizeof(root_signature));
        ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
        ok(root_signature.HighestVersion == root_signature_versions[i].rs_version,
                "Got unexpected root signature feature version %#x.\n", root_signature.HighestVersion);

        ID3D12Device_Release(device);
    }

    create_info.next = NULL;
    hr = vkd3d_create_device(&device_info, &IID_ID3D12Device, (void **)&device);
    ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);

    root_signature.HighestVersion = D3D_ROOT_SIGNATURE_VERSION_1_1;
    hr = ID3D12Device_CheckFeatureSupport(device, D3D12_FEATURE_ROOT_SIGNATURE,
            &root_signature, sizeof(root_signature));
    ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
    ok(root_signature.HighestVersion == D3D_ROOT_SIGNATURE_VERSION_1_0,
            "Got unexpected root signature feature version %#x.\n", root_signature.HighestVersion);

    ID3D12Device_Release(device);
}

static bool have_d3d12_device(void)
{
    ID3D12Device *device;

    if ((device = create_device()))
        ID3D12Device_Release(device);
    return device;
}

START_TEST(vkd3d_api)
{
    void *libvulkan;

    if (!(libvulkan = vkd3d_dlopen(SONAME_LIBVULKAN)))
    {
        skip("Failed to load %s: %s.\n", SONAME_LIBVULKAN, vkd3d_dlerror());
        return;
    }

#define LOAD_VK_PFN(name) name = vkd3d_dlsym(libvulkan, #name);
LOAD_VK_PFN(vkEnumerateInstanceExtensionProperties)
LOAD_VK_PFN(vkGetInstanceProcAddr)
#define VK_DEVICE_PFN LOAD_VK_PFN
#define VK_INSTANCE_PFN LOAD_VK_PFN
#include "vulkan_procs.h"

    if (!have_d3d12_device())
    {
        skip("D3D12 device cannot be created.\n");
        return;
    }

    run_test(test_create_instance);
    run_test(test_additional_instance_extensions);
    run_test(test_create_device);
    run_test(test_required_device_extensions);
    run_test(test_additional_device_extensions);
    run_test(test_optional_device_extensions);
    run_test(test_physical_device);
    run_test(test_adapter_luid);
    run_test(test_device_parent);
    run_test(test_vkd3d_queue);
    run_test(test_resource_internal_refcount);
    run_test(test_external_resource_map);
    run_test(test_external_resource_present_state);
    run_test(test_formats);
    run_test(test_application_info);
}