eleni.mutantstargoat.com Git - demo/blob - src/vulkan/vkutil.cc

   1 #include <gmath/gmath.h>
   2 #include <vulkan/vulkan.h>
   3 #include <stdio.h>
   4 #include <stdint.h>
   5 #include <stdlib.h>
   6 #include <string.h>
   7 #include <string>
   8 #include <vector>
   9
  10 #include "allocator.h"
  11 #include "vkutil.h"
  12
  13 /* global variables */
  14 VkPhysicalDevice vk_physical;
  15 VkDevice vk_device;
  16 VkCommandPool vk_pool;
  17 VkQueue vk_queue;
  18 VkSurfaceKHR vk_surface;
  19 VkSwapchainKHR vk_swapchain;
  20
  21 VkPipeline *vkgparent_pipeline;
  22 VkFramebuffer *vkfbufs;
  23 VkRenderPass vkrpass;
  24 VkInstance vkinst;
  25 VkCommandBuffer vkcmdbuf;       /* primary command buffer */
  26 int vkqfamily;
  27
  28 VkSemaphore vk_img_avail_sema;
  29 VkSemaphore vk_rend_done_sema;
  30 VkImage *vkswapchain_images;
  31 VkImageView *vkswapchain_views;
  32 int vknum_swapchain_images;
  33 int vk_curr_swapchain_image;
  34
  35 /* static functions */
  36 static const char *get_device_name_str(VkPhysicalDeviceType type);
  37 static const char *get_memtype_flags_str(VkMemoryPropertyFlags flags);
  38 static const char *get_queue_flags_str(VkQueueFlags flags);
  39 static const char *get_mem_size_str(long sz);
  40 static int ver_major(uint32_t ver);
  41 static int ver_minor(uint32_t ver);
  42 static int ver_patch(uint32_t ver);
  43
  44 /* static variables */
  45 static VkPhysicalDevice *phys_devices;
  46
  47 static int sel_dev;
  48 static int sel_qfamily;
  49
  50 static VkExtensionProperties *vkext, *vkdevext;
  51 static uint32_t vkext_count, vkdevext_count;
  52
  53 bool vku_have_extension(const char *name)
  54 {
  55         if(!vkext) {
  56                 vkext_count = 0;
  57                 vkEnumerateInstanceExtensionProperties(0, &vkext_count, 0);
  58                 if(vkext_count) {
  59                         vkext = new VkExtensionProperties[vkext_count];
  60                         vkEnumerateInstanceExtensionProperties(0, &vkext_count, vkext);
  61
  62                         printf("instance extensions:\n");
  63                         for(int i=0; i<(int)vkext_count; i++) {
  64                                 printf(" %s (ver: %u)\n", vkext[i].extensionName, (unsigned int)vkext[i].specVersion);
  65                         }
  66                 }
  67         }
  68
  69         for(int i=0; i<(int)vkext_count; i++) {
  70                 if(strcmp(vkext[i].extensionName, name) == 0) {
  71                         return true;
  72                 }
  73         }
  74         return false;
  75 }
  76
  77 bool vku_have_device_extension(const char *name)
  78 {
  79         if(sel_dev < 0) return false;
  80
  81         if(!vkdevext) {
  82                 vkdevext_count = 0;
  83                 vkEnumerateDeviceExtensionProperties(phys_devices[sel_dev], 0, &vkdevext_count, 0);
  84                 if(vkdevext_count) {
  85                         vkdevext = new VkExtensionProperties[vkdevext_count];
  86                         vkEnumerateDeviceExtensionProperties(phys_devices[sel_dev], 0, &vkdevext_count, vkdevext);
  87
  88                         printf("selected device extensions:\n");
  89                         for(int i=0; i<(int)vkdevext_count; i++) {
  90                                 printf(" %s (ver: %u)\n", vkdevext[i].extensionName, (unsigned int)vkdevext[i].specVersion);
  91                         }
  92                 }
  93         }
  94
  95         for(int i=0; i<(int)vkdevext_count; i++) {
  96                 if(strcmp(vkdevext[i].extensionName, name) == 0) {
  97                         return true;
  98                 }
  99         }
 100         return false;
 101 }
 102
 103 bool vku_create_device()
 104 {
 105         VkInstanceCreateInfo inst_info;
 106         VkDeviceCreateInfo dev_info;
 107         VkDeviceQueueCreateInfo queue_info;
 108         VkCommandPoolCreateInfo cmdpool_info;
 109         uint32_t num_devices;
 110         float qprio = 0.0f;
 111
 112         static const char *ext_names[] = {
 113                 "VK_KHR_xcb_surface",
 114                 "VK_KHR_surface"
 115         };
 116
 117         static const char *devext_names[] = {
 118                 "VK_KHR_swapchain"
 119         };
 120
 121         sel_dev = -1;
 122         sel_qfamily = -1;
 123
 124         for(unsigned int i=0; i<sizeof ext_names / sizeof *ext_names; i++) {
 125                 if(!vku_have_extension(ext_names[i])) {
 126                         fprintf(stderr, "required extension (%s) not found\n", ext_names[i]);
 127                         return false;
 128                 }
 129         }
 130         memset(&inst_info, 0, sizeof inst_info);
 131         inst_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
 132         inst_info.ppEnabledExtensionNames = ext_names;
 133         inst_info.enabledExtensionCount = sizeof ext_names / sizeof *ext_names;
 134
 135         if(vkCreateInstance(&inst_info, 0, &vkinst) != 0) {
 136                 fprintf(stderr, "failed to create vulkan instance\n");
 137                 return false;
 138         }
 139         printf("created vulkan instance\n");
 140         if(vkEnumeratePhysicalDevices(vkinst, &num_devices, 0) != 0) {
 141                 fprintf(stderr, "failed to enumerate vulkan physical devices\n");
 142                 return false;
 143         }
 144         phys_devices = new VkPhysicalDevice[num_devices];
 145         if(vkEnumeratePhysicalDevices(vkinst, &num_devices, phys_devices) != 0) {
 146                 fprintf(stderr, "failed to enumerate vulkan physical devices\n");
 147                 return false;
 148         }
 149         printf("found %u physical device(s)\n", (unsigned int)num_devices);
 150
 151         for(int i=0; i<(int)num_devices; i++) {
 152                 VkPhysicalDeviceProperties dev_prop;
 153                 VkPhysicalDeviceMemoryProperties mem_prop;
 154                 VkQueueFamilyProperties *qprop;
 155                 uint32_t qprop_count;
 156
 157                 vkGetPhysicalDeviceProperties(phys_devices[i], &dev_prop);
 158
 159                 printf("Device %d: %s\n", i, dev_prop.deviceName);
 160                 printf("  type: %s\n", get_device_name_str(dev_prop.deviceType));
 161                 printf("  API version: %d.%d.%d\n", ver_major(dev_prop.apiVersion), ver_minor(dev_prop.apiVersion),
 162                        ver_patch(dev_prop.apiVersion));
 163                 printf("  driver version: %d.%d.%d\n", ver_major(dev_prop.driverVersion), ver_minor(dev_prop.driverVersion),
 164                        ver_patch(dev_prop.driverVersion));
 165                 printf("  vendor id: %x  device id: %x\n", dev_prop.vendorID, dev_prop.deviceID);
 166
 167
 168                 vkGetPhysicalDeviceMemoryProperties(phys_devices[i], &mem_prop);
 169                 printf("  %d memory heaps:\n", mem_prop.memoryHeapCount);
 170                 for(unsigned int j=0; j<mem_prop.memoryHeapCount; j++) {
 171                         VkMemoryHeap heap = mem_prop.memoryHeaps[j];
 172                         printf("    Heap %d - size: %s, flags: %s\n", j, get_mem_size_str(heap.size),
 173                                heap.flags & VK_MEMORY_HEAP_DEVICE_LOCAL_BIT ? "device-local" : "-");
 174                 }
 175                 printf("  %d memory types:\n", mem_prop.memoryTypeCount);
 176                 for(unsigned int j=0; j<mem_prop.memoryTypeCount; j++) {
 177                         VkMemoryType type = mem_prop.memoryTypes[j];
 178                         printf("    Type %d - heap: %d, flags: %s\n", j, type.heapIndex,
 179                                get_memtype_flags_str(type.propertyFlags));
 180                 }
 181
 182                 vkGetPhysicalDeviceQueueFamilyProperties(phys_devices[i], &qprop_count, 0);
 183                 if(qprop_count <= 0) {
 184                         continue;
 185                 }
 186                 qprop = new VkQueueFamilyProperties[qprop_count];
 187                 vkGetPhysicalDeviceQueueFamilyProperties(phys_devices[i], &qprop_count, qprop);
 188
 189                 for(unsigned int j=0; j<qprop_count; j++) {
 190                         printf("  Queue family %d:\n", j);
 191                         printf("    flags: %s\n", get_queue_flags_str(qprop[j].queueFlags));
 192                         printf("    num queues: %u\n", qprop[j].queueCount);
 193
 194                         if(qprop[j].queueFlags & VK_QUEUE_GRAPHICS_BIT) {
 195                                 sel_dev = i;
 196                                 sel_qfamily = j;
 197                         }
 198                 }
 199                 delete [] qprop;
 200         }
 201
 202         if(sel_dev < 0 || sel_qfamily < 0) {
 203                 fprintf(stderr, "failed to find any device with a graphics-capable command queue\n");
 204                 vkDestroyDevice(vk_device, 0);
 205                 return false;
 206         }
 207
 208         for(unsigned int i=0; i<sizeof devext_names / sizeof *devext_names; i++) {
 209                 if(!vku_have_device_extension(devext_names[i])) {
 210                         fprintf(stderr, "required extension (%s) not found on the selected device (%d)\n",
 211                                 ext_names[i], sel_dev);
 212                         return false;
 213                 }
 214         }
 215
 216         /* create device & command queue */
 217         memset(&queue_info, 0, sizeof queue_info);
 218         queue_info.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
 219         queue_info.queueFamilyIndex = sel_qfamily;
 220         queue_info.queueCount = 1;
 221         queue_info.pQueuePriorities = &qprio;
 222
 223         memset(&dev_info, 0, sizeof dev_info);
 224         dev_info.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
 225         dev_info.queueCreateInfoCount = 1;
 226         dev_info.pQueueCreateInfos = &queue_info;
 227         dev_info.enabledExtensionCount = sizeof devext_names / sizeof *devext_names;
 228         dev_info.ppEnabledExtensionNames = devext_names;
 229
 230         if(vkCreateDevice(phys_devices[sel_dev], &dev_info, 0, &vk_device) != 0) {
 231                 fprintf(stderr, "failed to create device %d\n", sel_dev);
 232                 return false;
 233         }
 234         printf("created device %d\n", sel_dev);
 235
 236         vk_physical = phys_devices[sel_dev];
 237         vkqfamily = sel_qfamily;
 238
 239         vkGetDeviceQueue(vk_device, sel_qfamily, 0, &vk_queue);
 240
 241         /* create command buffer pool */
 242         memset(&cmdpool_info, 0, sizeof cmdpool_info);
 243         cmdpool_info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
 244         cmdpool_info.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
 245         cmdpool_info.queueFamilyIndex = sel_qfamily;
 246
 247         if(vkCreateCommandPool(vk_device, &cmdpool_info, 0, &vk_pool) != 0) {
 248                 fprintf(stderr, "failed to get command queue!\n");
 249                 return false;
 250         }
 251
 252         /*      if(!(vkcmdbuf = vku_alloc_cmdbuf(vk_pool, VK_COMMAND_BUFFER_LEVEL_PRIMARY))) {
 253                         fprintf(stderr, "failed to create primary command buffer\n");
 254                         return false;
 255                 } */
 256
 257         return true;
 258 }
 259
 260 void vku_cleanup()
 261 {
 262         if(vkinst) {
 263                 vkDeviceWaitIdle(vk_device);
 264                 vkDestroyCommandPool(vk_device, vk_pool, 0);
 265
 266                 vkDestroySemaphore(vk_device, vk_img_avail_sema, 0);
 267                 vkDestroySemaphore(vk_device, vk_rend_done_sema, 0);
 268
 269                 vkDestroyDevice(vk_device, 0);
 270                 vkDestroyInstance(vkinst, 0);
 271                 vkinst = 0;
 272         }
 273
 274         delete [] phys_devices;
 275         phys_devices = 0;
 276 }
 277
 278 bool vku_create_semaphores()
 279 {
 280         VkSemaphoreCreateInfo sinf;
 281         memset(&sinf, 0, sizeof sinf);
 282
 283         sinf.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
 284         if(vkCreateSemaphore(vk_device, &sinf, 0, &vk_img_avail_sema) != VK_SUCCESS) {
 285                 fprintf(stderr, "Failed to create semaphore\n");
 286                 return false;
 287         }
 288
 289         if(vkCreateSemaphore(vk_device, &sinf, 0, &vk_rend_done_sema) != VK_SUCCESS) {
 290                 fprintf(stderr, "Failed to create semaphore\n");
 291                 return false;
 292         }
 293
 294         return true;
 295 }
 296
 297 VkCommandBuffer vku_alloc_cmdbuf(VkCommandPool pool, VkCommandBufferLevel level)
 298 {
 299         VkCommandBuffer cmdbuf;
 300         VkCommandBufferAllocateInfo inf;
 301
 302         memset(&inf, 0, sizeof inf);
 303         inf.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
 304         inf.commandPool = pool;
 305         inf.level = level;
 306         inf.commandBufferCount = 1;
 307
 308         if(vkAllocateCommandBuffers(vk_device, &inf, &cmdbuf) != 0) {
 309                 return 0;
 310         }
 311         return cmdbuf;
 312 }
 313
 314 bool vku_alloc_cmdbufs(VkCommandPool pool, VkCommandBufferLevel level, unsigned int count, VkCommandBuffer *buf_array)
 315 {
 316         VkCommandBufferAllocateInfo cinf;
 317         memset(&cinf, 0, sizeof cinf);
 318
 319         cinf.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
 320         cinf.commandPool = vk_pool;
 321         cinf.level = level;
 322         cinf.commandBufferCount = count;
 323
 324         if(vkAllocateCommandBuffers(vk_device, &cinf, buf_array) != VK_SUCCESS) {
 325                 fprintf(stderr, "Failed to allocate command buffer\n");
 326                 return false;
 327         }
 328
 329         return true;
 330 }
 331
 332 void vku_free_cmdbuf(VkCommandPool pool, VkCommandBuffer buf)
 333 {
 334         vkFreeCommandBuffers(vk_device, pool, 1, &buf);
 335 }
 336
 337 void vku_begin_cmdbuf(VkCommandBuffer buf, unsigned int flags)
 338 {
 339         VkCommandBufferBeginInfo inf;
 340
 341         memset(&inf, 0, sizeof inf);
 342         inf.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
 343         inf.flags = flags;
 344
 345         vkBeginCommandBuffer(buf, &inf);
 346 }
 347
 348
 349 void vku_end_cmdbuf(VkCommandBuffer buf)
 350 {
 351         vkEndCommandBuffer(buf);
 352 }
 353
 354 void vku_reset_cmdbuf(VkCommandBuffer buf)
 355 {
 356         vkResetCommandBuffer(buf, 0);
 357 }
 358
 359 void vku_submit_cmdbuf(VkQueue q, VkCommandBuffer buf, VkFence done_fence)
 360 {
 361         VkSubmitInfo info;
 362
 363         memset(&info, 0, sizeof info);
 364         info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
 365         info.commandBufferCount = 1;
 366         info.pCommandBuffers = &buf;
 367
 368         vkQueueSubmit(q, 1, &info, done_fence);
 369 }
 370
 371 bool vku_get_surface_format(VkPhysicalDevice gpu, VkSurfaceKHR surface, VkSurfaceFormatKHR *sformat)
 372 {
 373         uint32_t fcount;
 374
 375         if(vkGetPhysicalDeviceSurfaceFormatsKHR(vk_physical,
 376                                                 vk_surface, &fcount, 0) != VK_SUCCESS) {
 377                 fprintf(stderr, "Failed to get format count for physical device.\n");
 378                 return false;
 379         }
 380         if(fcount == 0) {
 381                 fprintf(stderr, "No color formats were found.\n");
 382                 return false;
 383         }
 384
 385         VkSurfaceFormatKHR *formats = new VkSurfaceFormatKHR[fcount];
 386         if(vkGetPhysicalDeviceSurfaceFormatsKHR(vk_physical, vk_surface,
 387                                                 &fcount, formats) != VK_SUCCESS) {
 388                 delete [] formats;
 389                 fprintf(stderr, "Failed to get surface formats.\n");
 390                 return false;
 391         }
 392
 393         *sformat = formats[0];
 394
 395         if((fcount == 1) && (formats[0].format == VK_FORMAT_UNDEFINED)) {
 396                 sformat->format = VK_FORMAT_B8G8R8_UNORM;
 397         }
 398
 399         delete [] formats;
 400         return true;
 401 }
 402
 403
 404 int vku_get_next_image(VkSwapchainKHR sc)
 405 {
 406         uint32_t next;
 407
 408         if(vkAcquireNextImageKHR(vk_device, sc, UINT64_MAX, 0, 0, &next) != 0) {
 409                 return -1;
 410         }
 411         return (int)next;
 412 }
 413
 414 void vku_present(VkSwapchainKHR sc, int img_idx)
 415 {
 416         VkPresentInfoKHR inf;
 417         VkResult res;
 418         uint32_t index = img_idx;
 419
 420         memset(&inf, 0, sizeof inf);
 421         inf.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
 422         inf.swapchainCount = 1;
 423         inf.pSwapchains = &sc;
 424         inf.pImageIndices = &index;
 425         inf.pResults = &res;
 426
 427         vkQueuePresentKHR(vk_queue, &inf);
 428 }
 429
 430 struct vku_buffer *vku_create_buffer(int sz, unsigned int usage)
 431 {
 432         struct vku_buffer *buf;
 433         VkBufferCreateInfo binfo;
 434
 435         buf = new vku_buffer;
 436
 437         memset(&binfo, 0, sizeof binfo);
 438         binfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
 439         binfo.size = sz;
 440         binfo.usage = usage;
 441         binfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
 442
 443         if(vkCreateBuffer(vk_device, &binfo, 0, &buf->buf) != 0) {
 444                 fprintf(stderr, "failed to create %d byte buffer (usage: %x)\n", sz, usage);
 445                 return 0;
 446         }
 447
 448         VkMemoryRequirements mr;
 449         vkGetBufferMemoryRequirements(vk_device, buf->buf, &mr);
 450
 451         DevMemBlock block;
 452         if(!vku_allocate(mr.size, &block))
 453                 return 0;
 454
 455         buf->mem_pool = block.dev_mem;
 456
 457         return buf;
 458 }
 459
 460 void vku_destroy_buffer(struct vku_buffer *buf)
 461 {
 462         if(buf) {
 463                 vkDestroyBuffer(vk_device, buf->buf, 0);
 464                 delete buf;
 465         }
 466 }
 467
 468 void vku_cmd_copybuf(VkCommandBuffer cmdbuf, VkBuffer dest, int doffs,
 469                      VkBuffer src, int soffs, int size)
 470 {
 471         VkBufferCopy copy;
 472         copy.size = size;
 473         copy.srcOffset = soffs;
 474         copy.dstOffset = doffs;
 475
 476         vkCmdCopyBuffer(cmdbuf, src, dest, 1, &copy);
 477 }
 478
 479 const char *vku_get_vulkan_error_str(VkResult error)
 480 {
 481         std::string errmsg;
 482         switch(error) {
 483         case VK_SUCCESS:
 484                 errmsg = std::string("VK_SUCCESS");
 485                 break;
 486         case VK_NOT_READY:
 487                 errmsg = std::string("VK_NOT_READY");
 488                 break;
 489         case VK_TIMEOUT:
 490                 errmsg = std::string("VK_TIMEOUT");
 491                 break;
 492         case VK_EVENT_SET:
 493                 errmsg = std::string("VK_EVENT_SET");
 494                 break;
 495         case VK_EVENT_RESET:
 496                 errmsg = std::string("VK_EVENT_RESET");
 497                 break;
 498         case VK_INCOMPLETE:
 499                 errmsg = std::string("VK_EVENT");
 500                 break;
 501         case VK_ERROR_OUT_OF_HOST_MEMORY:
 502                 errmsg = std::string("VK_ERROR_OUT_OF_HOST_MEMORY");
 503                 break;
 504         case VK_ERROR_OUT_OF_DEVICE_MEMORY:
 505                 errmsg = std::string("VK_ERROR_OUT_OF_DEVICE_MEMORY");
 506                 break;
 507         case VK_ERROR_INITIALIZATION_FAILED:
 508                 errmsg = std::string("VK_ERROR_INITIALIZATION_FAILED");
 509                 break;
 510         case VK_ERROR_DEVICE_LOST:
 511                 errmsg = std::string("VK_ERROR_DEVICE_LOST");
 512                 break;
 513         case VK_ERROR_MEMORY_MAP_FAILED:
 514                 errmsg = std::string("VK_ERROR_MEMORY_MAP_FAILED");
 515                 break;
 516         case VK_ERROR_LAYER_NOT_PRESENT:
 517                 errmsg = std::string("VK_ERROR_LAYER_NOT_PRESENT");
 518                 break;
 519         case VK_ERROR_EXTENSION_NOT_PRESENT:
 520                 errmsg = std::string("VK_ERROR_EXTENSION_NOT_PRESENT");
 521                 break;
 522         case VK_ERROR_FEATURE_NOT_PRESENT:
 523                 errmsg = std::string("VK_ERROR_FEATURE_NOT_PRESENT");
 524         case VK_ERROR_INCOMPATIBLE_DRIVER:
 525                 errmsg = std::string("VK_ERROR_INCOMPATIBLE_DRIVER");
 526                 break;
 527         case VK_ERROR_TOO_MANY_OBJECTS:
 528                 errmsg = std::string("VK_ERROR_TOO_MANY_OBJECTS");
 529                 break;
 530         case VK_ERROR_FORMAT_NOT_SUPPORTED:
 531                 errmsg = std::string("VK_ERROR_FORMAT_NOT_SUPPORTED");
 532                 break;
 533         case VK_ERROR_FRAGMENTED_POOL:
 534                 errmsg = std::string("VK_ERROR_FRAGMENTED_POOL");
 535                 break;
 536         default:
 537                 errmsg = std::string("UNKNOWN");
 538                 break;
 539         }
 540
 541         return errmsg.c_str();
 542 }
 543
 544
 545 static const char *get_device_name_str(VkPhysicalDeviceType type)
 546 {
 547         switch(type) {
 548         case VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU:
 549                 return "integrated GPU";
 550         case VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU:
 551                 return "discrete GPU";
 552         case VK_PHYSICAL_DEVICE_TYPE_VIRTUAL_GPU:
 553                 return "virtual GPU";
 554         case VK_PHYSICAL_DEVICE_TYPE_CPU:
 555                 return "CPU";
 556         default:
 557                 break;
 558         }
 559         return "unknown";
 560 }
 561
 562 static const char *get_memtype_flags_str(VkMemoryPropertyFlags flags)
 563 {
 564         static char str[128];
 565
 566         str[0] = 0;
 567         if(flags & VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT) {
 568                 strcat(str, "device-local ");
 569         }
 570         if(flags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) {
 571                 strcat(str, "host-visible ");
 572         }
 573         if(flags & VK_MEMORY_PROPERTY_HOST_COHERENT_BIT) {
 574                 strcat(str, "host-coherent ");
 575         }
 576         if(flags & VK_MEMORY_PROPERTY_HOST_CACHED_BIT) {
 577                 strcat(str, "host-cached ");
 578         }
 579         if(flags & VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT) {
 580                 strcat(str, "lazily-allocated ");
 581         }
 582
 583         if(!*str) {
 584                 strcat(str, "-");
 585         }
 586         return str;
 587 }
 588
 589 static const char *get_queue_flags_str(VkQueueFlags flags)
 590 {
 591         static char str[128];
 592
 593         str[0] = 0;
 594         if(flags & VK_QUEUE_GRAPHICS_BIT) {
 595                 strcat(str, "graphics ");
 596         }
 597         if(flags & VK_QUEUE_COMPUTE_BIT) {
 598                 strcat(str, "compute ");
 599         }
 600         if(flags & VK_QUEUE_TRANSFER_BIT) {
 601                 strcat(str, "transfer ");
 602         }
 603         if(flags & VK_QUEUE_SPARSE_BINDING_BIT) {
 604                 strcat(str, "sparse-binding ");
 605         }
 606         if(!*str) {
 607                 strcat(str, "-");
 608         }
 609         return str;
 610 }
 611
 612 static int ver_major(uint32_t ver)
 613 {
 614         return (ver >> 22) & 0x3ff;
 615 }
 616
 617 static int ver_minor(uint32_t ver)
 618 {
 619         return (ver >> 12) & 0x3ff;
 620 }
 621
 622 static int ver_patch(uint32_t ver)
 623 {
 624         return ver & 0xfff;
 625 }
 626
 627 static const char *get_mem_size_str(long sz)
 628 {
 629         static char str[64];
 630         static const char *unitstr[] = { "bytes", "KB", "MB", "GB", "TB", "PB", 0 };
 631         int uidx = 0;
 632         sz *= 10;
 633
 634         while(sz >= 10240 && unitstr[uidx + 1]) {
 635                 sz /= 1024;
 636                 ++uidx;
 637         }
 638         sprintf(str, "%ld.%ld %s", sz / 10, sz % 10, unitstr[uidx]);
 639         return str;
 640 }