nuclear@3: #include <stdio.h>
nuclear@3: #include <stdlib.h>
nuclear@3: #include <string.h>
nuclear@4: #include <stdint.h>
nuclear@3: #include "vku.h"
nuclear@3: 
nuclear@3: static const char *get_device_name(VkPhysicalDeviceType type);
nuclear@3: static const char *get_mem_prop_flag_string(VkMemoryPropertyFlags flags);
nuclear@3: static const char *get_queue_flag_string(VkQueueFlagBits flags);
nuclear@3: static int ver_major(uint32_t ver);
nuclear@3: static int ver_minor(uint32_t ver);
nuclear@3: static int ver_patch(uint32_t ver);
nuclear@3: static const char *mem_size_str(long sz);
nuclear@3: 
nuclear@3: VkInstance vk;
nuclear@3: VkDevice vkdev;
nuclear@3: VkQueue vkq;
nuclear@3: 
nuclear@4: static VkPhysicalDevice *phys_devices;
nuclear@4: static int sel_dev, sel_qfamily;
nuclear@4: 
nuclear@4: static VkExtensionProperties *vkext, *vkdevext;
nuclear@4: static uint32_t vkext_count, vkdevext_count;
nuclear@4: 
nuclear@4: 
nuclear@4: int vku_have_extension(const char *name)
nuclear@4: {
nuclear@4: 	int i;
nuclear@4: 
nuclear@4: 	if(!vkext) {
nuclear@4: 		vkext_count = 0;
nuclear@4: 		vkEnumerateInstanceExtensionProperties(0, &vkext_count, 0);
nuclear@4: 		if(vkext_count) {
nuclear@4: 			if(!(vkext = malloc(vkext_count * sizeof *vkext))) {
nuclear@4: 				perror("failed to allocate instance extension list");
nuclear@4: 				return 0;
nuclear@4: 			}
nuclear@4: 			vkEnumerateInstanceExtensionProperties(0, &vkext_count, vkext);
nuclear@4: 
nuclear@4: 			printf("instance extensions:\n");
nuclear@4: 			for(i=0; i<(int)vkext_count; i++) {
nuclear@4: 				printf(" %s (ver: %u)\n", vkext[i].extensionName, (unsigned int)vkext[i].specVersion);
nuclear@4: 			}
nuclear@4: 		}
nuclear@4: 	}
nuclear@4: 
nuclear@4: 	for(i=0; i<(int)vkext_count; i++) {
nuclear@4: 		if(strcmp(vkext[i].extensionName, name) == 0) {
nuclear@4: 			return 1;
nuclear@4: 		}
nuclear@4: 	}
nuclear@4: 	return 0;
nuclear@4: }
nuclear@4: 
nuclear@4: int vku_have_device_extension(const char *name)
nuclear@4: {
nuclear@4: 	int i;
nuclear@4: 
nuclear@4: 	if(sel_dev < 0) return 0;
nuclear@4: 
nuclear@4: 	if(!vkdevext) {
nuclear@4: 		vkdevext_count = 0;
nuclear@4: 		vkEnumerateDeviceExtensionProperties(phys_devices[sel_dev], 0, &vkdevext_count, 0);
nuclear@4: 		if(vkdevext_count) {
nuclear@4: 			if(!(vkdevext = malloc(vkdevext_count * sizeof *vkdevext))) {
nuclear@4: 				perror("failed to allocate device extension list");
nuclear@4: 				return 0;
nuclear@4: 			}
nuclear@4: 			vkEnumerateDeviceExtensionProperties(phys_devices[sel_dev], 0, &vkdevext_count, vkdevext);
nuclear@4: 
nuclear@4: 			printf("selected device extensions:\n");
nuclear@4: 			for(i=0; i<(int)vkdevext_count; i++) {
nuclear@4: 				printf(" %s (ver: %u)\n", vkdevext[i].extensionName, (unsigned int)vkdevext[i].specVersion);
nuclear@4: 			}
nuclear@4: 		}
nuclear@4: 	}
nuclear@4: 
nuclear@4: 	for(i=0; i<(int)vkdevext_count; i++) {
nuclear@4: 		if(strcmp(vkdevext[i].extensionName, name) == 0) {
nuclear@4: 			return 1;
nuclear@4: 		}
nuclear@4: 	}
nuclear@4: 	return 0;
nuclear@4: }
nuclear@4: 
nuclear@3: int vku_create_dev(void)
nuclear@3: {
nuclear@3: 	int i, j;
nuclear@3: 	VkInstanceCreateInfo inst_info;
nuclear@3: 	VkDeviceCreateInfo dev_info;
nuclear@3: 	VkDeviceQueueCreateInfo queue_info;
nuclear@3: 	VkCommandPoolCreateInfo cmdpool_info;
nuclear@3: 	uint32_t num_devices;
nuclear@3: 	float qprio = 0.0f;
nuclear@3: 
nuclear@4: 	static const char *ext_names[] = {
nuclear@4: #ifdef VK_USE_PLATFORM_XLIB_KHR
nuclear@4: 		"VK_KHR_xlib_surface",
nuclear@4: #endif
nuclear@4: 		"VK_KHR_surface"
nuclear@4: 	};
nuclear@5: 	static const char *devext_names[] = {
nuclear@5: 		"VK_KHR_swapchain"
nuclear@5: 	};
nuclear@4: 
nuclear@4: 	sel_dev = -1;
nuclear@4: 	sel_qfamily = -1;
nuclear@4: 
nuclear@4: 	for(i=0; i<sizeof ext_names / sizeof *ext_names; i++) {
nuclear@4: 		if(!vku_have_extension(ext_names[i])) {
nuclear@4: 			fprintf(stderr, "required extension (%s) not found\n", ext_names[i]);
nuclear@4: 			return -1;
nuclear@4: 		}
nuclear@4: 	}
nuclear@4: 
nuclear@3: 	memset(&inst_info, 0, sizeof inst_info);
nuclear@3: 	inst_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
nuclear@4: 	inst_info.ppEnabledExtensionNames = ext_names;
nuclear@4: 	inst_info.enabledExtensionCount = sizeof ext_names / sizeof *ext_names;
nuclear@3: 
nuclear@3: 	if(vkCreateInstance(&inst_info, 0, &vk) != 0) {
nuclear@3: 		fprintf(stderr, "failed to create vulkan instance\n");
nuclear@3: 		return -1;
nuclear@3: 	}
nuclear@3: 	printf("created vulkan instance\n");
nuclear@3: 
nuclear@3: 	if(vkEnumeratePhysicalDevices(vk, &num_devices, 0) != 0) {
nuclear@3: 		fprintf(stderr, "failed to enumerate vulkan physical devices\n");
nuclear@3: 		return -1;
nuclear@3: 	}
nuclear@4: 	phys_devices = malloc(num_devices * sizeof *phys_devices);
nuclear@4: 	if(vkEnumeratePhysicalDevices(vk, &num_devices, phys_devices) != 0) {
nuclear@3: 		fprintf(stderr, "failed to enumerate vulkan physical devices\n");
nuclear@3: 		return -1;
nuclear@3: 	}
nuclear@3: 	printf("found %u physical device(s)\n", (unsigned int)num_devices);
nuclear@3: 
nuclear@3: 	for(i=0; i<(int)num_devices; i++) {
nuclear@3: 		VkPhysicalDeviceProperties dev_prop;
nuclear@3: 		VkPhysicalDeviceMemoryProperties mem_prop;
nuclear@3: 		VkQueueFamilyProperties *qprop;
nuclear@3: 		uint32_t qprop_count;
nuclear@3: 
nuclear@4: 		vkGetPhysicalDeviceProperties(phys_devices[i], &dev_prop);
nuclear@3: 
nuclear@3: 		printf("Device %d: %s\n", i, dev_prop.deviceName);
nuclear@3: 		printf("  type: %s\n", get_device_name(dev_prop.deviceType));
nuclear@3: 		printf("  API version: %d.%d.%d\n", ver_major(dev_prop.apiVersion), ver_minor(dev_prop.apiVersion),
nuclear@3: 				ver_patch(dev_prop.apiVersion));
nuclear@3: 		printf("  driver version: %d.%d.%d\n", ver_major(dev_prop.driverVersion), ver_minor(dev_prop.driverVersion),
nuclear@3: 				ver_patch(dev_prop.driverVersion));
nuclear@3: 		printf("  vendor id: %x  device id: %x\n", dev_prop.vendorID, dev_prop.deviceID);
nuclear@3: 
nuclear@3: 
nuclear@4: 		vkGetPhysicalDeviceMemoryProperties(phys_devices[i], &mem_prop);
nuclear@3: 		printf("  %d memory heaps:\n", mem_prop.memoryHeapCount);
nuclear@3: 		for(j=0; j<mem_prop.memoryHeapCount; j++) {
nuclear@3: 			VkMemoryHeap heap = mem_prop.memoryHeaps[j];
nuclear@3: 			printf("    Heap %d - size: %s, flags: %s\n", j, mem_size_str(heap.size),
nuclear@3: 					heap.flags & VK_MEMORY_HEAP_DEVICE_LOCAL_BIT ? "device-local" : "-");
nuclear@3: 		}
nuclear@3: 		printf("  %d memory types:\n", mem_prop.memoryTypeCount);
nuclear@3: 		for(j=0; j<mem_prop.memoryTypeCount; j++) {
nuclear@3: 			VkMemoryType type = mem_prop.memoryTypes[j];
nuclear@3: 			printf("    Type %d - heap: %d, flags: %s\n", j, type.heapIndex,
nuclear@3: 					get_mem_prop_flag_string(type.propertyFlags));
nuclear@3: 		}
nuclear@3: 
nuclear@4: 		vkGetPhysicalDeviceQueueFamilyProperties(phys_devices[i], &qprop_count, 0);
nuclear@3: 		if(qprop_count <= 0) {
nuclear@3: 			continue;
nuclear@3: 		}
nuclear@3: 		qprop = malloc(qprop_count * sizeof *qprop);
nuclear@4: 		vkGetPhysicalDeviceQueueFamilyProperties(phys_devices[i], &qprop_count, qprop);
nuclear@3: 
nuclear@3: 		for(j=0; j<qprop_count; j++) {
nuclear@3: 			printf("  Queue family %d:\n", j);
nuclear@3: 			printf("    flags: %s\n", get_queue_flag_string(qprop[j].queueFlags));
nuclear@3: 			printf("    num queues: %u\n", qprop[j].queueCount);
nuclear@3: 
nuclear@3: 			if(qprop[j].queueFlags & VK_QUEUE_GRAPHICS_BIT) {
nuclear@3: 				sel_dev = i;
nuclear@3: 				sel_qfamily = j;
nuclear@3: 			}
nuclear@3: 		}
nuclear@3: 		free(qprop);
nuclear@3: 	}
nuclear@3: 
nuclear@3: 	if(sel_dev < 0 || sel_qfamily < 0) {
nuclear@3: 		fprintf(stderr, "failed to find any device with a graphics-capable command queue\n");
nuclear@3: 		vkDestroyDevice(vkdev, 0);
nuclear@3: 		return -1;
nuclear@3: 	}
nuclear@3: 
nuclear@5: 	for(i=0; i<sizeof devext_names / sizeof *devext_names; i++) {
nuclear@5: 		if(!vku_have_device_extension(devext_names[i])) {
nuclear@5: 			fprintf(stderr, "required extension (%s) not found on the selected device (%d)\n",
nuclear@5: 					ext_names[i], sel_dev);
nuclear@5: 			return -1;
nuclear@5: 		}
nuclear@5: 	}
nuclear@5: 
nuclear@3: 	/* create device & command queue */
nuclear@3: 	memset(&queue_info, 0, sizeof queue_info);
nuclear@3: 	queue_info.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
nuclear@3: 	queue_info.queueFamilyIndex = sel_qfamily;
nuclear@3: 	queue_info.queueCount = 1;
nuclear@3: 	queue_info.pQueuePriorities = &qprio;
nuclear@3: 
nuclear@3: 	memset(&dev_info, 0, sizeof dev_info);
nuclear@3: 	dev_info.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
nuclear@3: 	dev_info.queueCreateInfoCount = 1;
nuclear@3: 	dev_info.pQueueCreateInfos = &queue_info;
nuclear@5: 	dev_info.enabledExtensionCount = sizeof devext_names / sizeof *devext_names;
nuclear@5: 	dev_info.ppEnabledExtensionNames = devext_names;
nuclear@3: 
nuclear@4: 	if(vkCreateDevice(phys_devices[sel_dev], &dev_info, 0, &vkdev) != 0) {
nuclear@3: 		fprintf(stderr, "failed to create device %d\n", sel_dev);
nuclear@3: 		return -1;
nuclear@3: 	}
nuclear@3: 	printf("created device %d\n", sel_dev);
nuclear@3: 
nuclear@3: 	vkGetDeviceQueue(vkdev, sel_qfamily, 0, &vkq);
nuclear@3: 
nuclear@3: 	/* create command buffer pool */
nuclear@3: 	memset(&cmdpool_info, 0, sizeof cmdpool_info);
nuclear@3: 	cmdpool_info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
nuclear@3: 	cmdpool_info.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
nuclear@3: 	cmdpool_info.queueFamilyIndex = sel_qfamily;
nuclear@3: 
nuclear@3: 	if(vkCreateCommandPool(vkdev, &cmdpool_info, 0, &vkcmdpool) != 0) {
nuclear@3: 		fprintf(stderr, "failed to get command quque!\n");
nuclear@3: 		return -1;
nuclear@3: 	}
nuclear@3: 
nuclear@4: 	if(!(vkcmdbuf = vku_alloc_cmdbuf(vkcmdpool, VK_COMMAND_BUFFER_LEVEL_PRIMARY))) {
nuclear@4: 		fprintf(stderr, "failed to create primary command buffer\n");
nuclear@4: 		return -1;
nuclear@4: 	}
nuclear@4: 
nuclear@3: 	return 0;
nuclear@3: }
nuclear@3: 
nuclear@3: void vku_cleanup(void)
nuclear@3: {
nuclear@3: 	if(vk) {
nuclear@3: 		vkDeviceWaitIdle(vkdev);
nuclear@4: 		vkDestroyCommandPool(vkdev, vkcmdpool, 0);
nuclear@3: 		vkDestroyDevice(vkdev, 0);
nuclear@3: 		vkDestroyInstance(vk, 0);
nuclear@3: 		vk = 0;
nuclear@3: 	}
nuclear@4: 
nuclear@4: 	free(phys_devices);
nuclear@4: 	phys_devices = 0;
nuclear@3: }
nuclear@3: 
nuclear@4: VkCommandBuffer vku_alloc_cmdbuf(VkCommandPool pool, VkCommandBufferLevel level)
nuclear@3: {
nuclear@4: 	VkCommandBuffer cmdbuf;
nuclear@4: 	VkCommandBufferAllocateInfo inf;
nuclear@4: 
nuclear@4: 	memset(&inf, 0, sizeof inf);
nuclear@4: 	inf.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
nuclear@4: 	inf.commandPool = pool;
nuclear@4: 	inf.level = level;
nuclear@4: 	inf.commandBufferCount = 1;
nuclear@4: 
nuclear@4: 	if(vkAllocateCommandBuffers(vkdev, &inf, &cmdbuf) != 0) {
nuclear@4: 		return 0;
nuclear@4: 	}
nuclear@4: 	return cmdbuf;
nuclear@4: }
nuclear@4: 
nuclear@4: void vku_free_cmdbuf(VkCommandPool pool, VkCommandBuffer buf)
nuclear@4: {
nuclear@4: 	vkFreeCommandBuffers(vkdev, pool, 1, &buf);
nuclear@4: }
nuclear@4: 
nuclear@4: void vku_begin_cmdbuf(VkCommandBuffer buf, unsigned int flags)
nuclear@4: {
nuclear@4: 	VkCommandBufferBeginInfo inf;
nuclear@4: 
nuclear@4: 	memset(&inf, 0, sizeof inf);
nuclear@4: 	inf.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
nuclear@4: 	inf.flags = flags;
nuclear@4: 
nuclear@4: 	vkBeginCommandBuffer(buf, &inf);
nuclear@4: }
nuclear@4: 
nuclear@4: 
nuclear@4: void vku_end_cmdbuf(VkCommandBuffer buf)
nuclear@4: {
nuclear@4: 	vkEndCommandBuffer(buf);
nuclear@4: }
nuclear@4: 
nuclear@4: void vku_reset_cmdbuf(VkCommandBuffer buf)
nuclear@4: {
nuclear@4: 	vkResetCommandBuffer(buf, 0);
nuclear@4: }
nuclear@4: 
nuclear@4: void vku_submit_cmdbuf(VkQueue q, VkCommandBuffer buf, VkFence done_fence)
nuclear@4: {
nuclear@4: 	VkSubmitInfo info;
nuclear@4: 
nuclear@4: 	memset(&info, 0, sizeof info);
nuclear@4: 	info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
nuclear@4: 	info.commandBufferCount = 1;
nuclear@4: 	info.pCommandBuffers = &buf;
nuclear@4: 
nuclear@4: 	vkQueueSubmit(q, 1, &info, done_fence);
nuclear@4: }
nuclear@4: 
nuclear@5: VkSwapchainKHR vku_create_swapchain(VkSurfaceKHR surf, int xsz, int ysz, int n,
nuclear@5: 		VkPresentModeKHR pmode, VkSwapchainKHR prev)
nuclear@5: {
nuclear@5: 	VkSwapchainKHR sc;
nuclear@5: 	VkSwapchainCreateInfoKHR inf;
nuclear@5: 
nuclear@5: 	memset(&inf, 0, sizeof inf);
nuclear@5: 	inf.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
nuclear@5: 	inf.surface = surf;
nuclear@5: 	inf.minImageCount = n;
nuclear@5: 	inf.imageFormat = VK_FORMAT_B8G8R8A8_UNORM;	/* TODO enumerate and choose */
nuclear@5: 	inf.imageColorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR;
nuclear@5: 	inf.imageExtent.width = xsz;
nuclear@5: 	inf.imageExtent.height = ysz;
nuclear@5: 	inf.imageArrayLayers = 1;
nuclear@5: 	inf.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
nuclear@5: 	inf.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;	/* XXX make this an option? */
nuclear@5: 	inf.preTransform = VK_SURFACE_TRANSFORM_INHERIT_BIT_KHR;
nuclear@5: 	inf.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
nuclear@5: 	inf.presentMode = pmode;
nuclear@5: 	inf.oldSwapchain = prev;
nuclear@5: 
nuclear@5: 	if(vkCreateSwapchainKHR(vkdev, &inf, 0, &sc) != 0) {
nuclear@5: 		return 0;
nuclear@5: 	}
nuclear@5: 	return sc;
nuclear@5: }
nuclear@5: 
nuclear@6: VkImage *vku_get_swapchain_images(VkSwapchainKHR sc, int *count)
nuclear@6: {
nuclear@6: 	uint32_t nimg;
nuclear@6: 	VkImage *images;
nuclear@6: 
nuclear@6: 	if(vkGetSwapchainImagesKHR(vkdev, sc, &nimg, 0) != 0) {
nuclear@6: 		return 0;
nuclear@6: 	}
nuclear@6: 	if(!(images = malloc(nimg * sizeof *images))) {
nuclear@6: 		return 0;
nuclear@6: 	}
nuclear@6: 	vkGetSwapchainImagesKHR(vkdev, sc, &nimg, images);
nuclear@6: 
nuclear@6: 	if(count) *count = (int)nimg;
nuclear@6: 	return images;
nuclear@6: }
nuclear@6: 
nuclear@6: int vku_get_next_image(VkSwapchainKHR sc)
nuclear@6: {
nuclear@6: 	uint32_t next;
nuclear@6: 
nuclear@6: 	if(vkAcquireNextImageKHR(vkdev, sc, UINT64_MAX, 0, 0, &next) != 0) {
nuclear@6: 		return -1;
nuclear@6: 	}
nuclear@6: 	return (int)next;
nuclear@6: }
nuclear@6: 
nuclear@6: void vku_present(VkSwapchainKHR sc, int img_idx)
nuclear@6: {
nuclear@6: 	VkPresentInfoKHR inf;
nuclear@6: 	VkResult res;
nuclear@6: 	uint32_t index = img_idx;
nuclear@6: 
nuclear@6: 	memset(&inf, 0, sizeof inf);
nuclear@6: 	inf.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
nuclear@6: 	inf.swapchainCount = 1;
nuclear@6: 	inf.pSwapchains = &sc;
nuclear@6: 	inf.pImageIndices = &index;
nuclear@6: 	inf.pResults = &res;
nuclear@6: 
nuclear@6: 	vkQueuePresentKHR(vkq, &inf);
nuclear@6: }
nuclear@6: 
nuclear@4: struct vku_buffer *vku_create_buffer(int sz, unsigned int usage)
nuclear@4: {
nuclear@4: 	struct vku_buffer *buf;
nuclear@3: 	VkBufferCreateInfo binfo;
nuclear@3: 
nuclear@3: 	if(!(buf = malloc(sizeof *buf))) {
nuclear@3: 		perror("failed to allocate vk_buffer structure");
nuclear@3: 		return 0;
nuclear@3: 	}
nuclear@3: 
nuclear@3: 	memset(&binfo, 0, sizeof binfo);
nuclear@3: 	binfo.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
nuclear@3: 	binfo.size = sz;
nuclear@3: 	binfo.usage = usage;
nuclear@3: 	binfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
nuclear@3: 
nuclear@3: 	if(vkCreateBuffer(vkdev, &binfo, 0, &buf->buf) != 0) {
nuclear@3: 		fprintf(stderr, "failed to create %d byte buffer (usage: %x)\n", sz, usage);
nuclear@3: 		return 0;
nuclear@3: 	}
nuclear@3: 	// TODO back with memory
nuclear@3: 	return buf;
nuclear@3: }
nuclear@3: 
nuclear@4: void vku_destroy_buffer(struct vku_buffer *buf)
nuclear@3: {
nuclear@3: 	if(buf) {
nuclear@3: 		vkDestroyBuffer(vkdev, buf->buf, 0);
nuclear@3: 		free(buf);
nuclear@3: 	}
nuclear@3: }
nuclear@3: 
nuclear@4: void vku_cmd_copybuf(VkCommandBuffer cmdbuf, VkBuffer dest, int doffs,
nuclear@4: 		VkBuffer src, int soffs, int size)
nuclear@4: {
nuclear@4: 	VkBufferCopy copy;
nuclear@4: 	copy.size = size;
nuclear@4: 	copy.srcOffset = soffs;
nuclear@4: 	copy.dstOffset = doffs;
nuclear@4: 
nuclear@4: 	vkCmdCopyBuffer(cmdbuf, src, dest, 1, &copy);
nuclear@4: }
nuclear@4: 
nuclear@4: #ifdef VK_USE_PLATFORM_XLIB_KHR
nuclear@5: 
nuclear@4: int vku_xlib_usable_visual(Display *dpy, VisualID vid)
nuclear@4: {
nuclear@4: 	return vkGetPhysicalDeviceXlibPresentationSupportKHR(phys_devices[sel_dev],
nuclear@4: 			sel_qfamily, dpy, vid);
nuclear@4: }
nuclear@5: 
nuclear@5: VkSurfaceKHR vku_xlib_create_surface(Display *dpy, Window win)
nuclear@5: {
nuclear@5: 	VkSurfaceKHR surf;
nuclear@5: 	VkXlibSurfaceCreateInfoKHR inf;
nuclear@5: 
nuclear@5: 	memset(&inf, 0, sizeof inf);
nuclear@5: 	inf.sType = VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR;
nuclear@5: 	inf.dpy = dpy;
nuclear@5: 	inf.window = win;
nuclear@5: 
nuclear@5: 	if(vkCreateXlibSurfaceKHR(vk, &inf, 0, &surf) != 0) {
nuclear@5: 		return 0;
nuclear@5: 	}
nuclear@5: 	return surf;
nuclear@5: }
nuclear@5: 
nuclear@4: #endif	/* VK_USE_PLATFORM_XLIB_KHR */
nuclear@4: 
nuclear@3: static const char *get_device_name(VkPhysicalDeviceType type)
nuclear@3: {
nuclear@3: 	switch(type) {
nuclear@3: 	case VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU:
nuclear@3: 		return "integrated GPU";
nuclear@3: 	case VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU:
nuclear@3: 		return "discrete GPU";
nuclear@3: 	case VK_PHYSICAL_DEVICE_TYPE_VIRTUAL_GPU:
nuclear@3: 		return "virtual GPU";
nuclear@3: 	case VK_PHYSICAL_DEVICE_TYPE_CPU:
nuclear@3: 		return "CPU";
nuclear@3: 	default:
nuclear@3: 		break;
nuclear@3: 	}
nuclear@3: 	return "unknown";
nuclear@3: }
nuclear@3: 
nuclear@3: static const char *get_mem_prop_flag_string(VkMemoryPropertyFlags flags)
nuclear@3: {
nuclear@3: 	static char str[128];
nuclear@3: 
nuclear@3: 	str[0] = 0;
nuclear@3: 	if(flags & VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT) {
nuclear@3: 		strcat(str, "device-local ");
nuclear@3: 	}
nuclear@3: 	if(flags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) {
nuclear@3: 		strcat(str, "host-visible ");
nuclear@3: 	}
nuclear@3: 	if(flags & VK_MEMORY_PROPERTY_HOST_COHERENT_BIT) {
nuclear@3: 		strcat(str, "host-coherent ");
nuclear@3: 	}
nuclear@3: 	if(flags & VK_MEMORY_PROPERTY_HOST_CACHED_BIT) {
nuclear@3: 		strcat(str, "host-cached ");
nuclear@3: 	}
nuclear@3: 	if(flags & VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT) {
nuclear@3: 		strcat(str, "lazily-allocated ");
nuclear@3: 	}
nuclear@3: 
nuclear@3: 	if(!*str) {
nuclear@3: 		strcat(str, "-");
nuclear@3: 	}
nuclear@3: 	return str;
nuclear@3: }
nuclear@3: 
nuclear@3: static const char *get_queue_flag_string(VkQueueFlagBits flags)
nuclear@3: {
nuclear@3: 	static char str[128];
nuclear@3: 
nuclear@3: 	str[0] = 0;
nuclear@3: 	if(flags & VK_QUEUE_GRAPHICS_BIT) {
nuclear@3: 		strcat(str, "graphics ");
nuclear@3: 	}
nuclear@3: 	if(flags & VK_QUEUE_COMPUTE_BIT) {
nuclear@3: 		strcat(str, "compute ");
nuclear@3: 	}
nuclear@3: 	if(flags & VK_QUEUE_TRANSFER_BIT) {
nuclear@3: 		strcat(str, "transfer ");
nuclear@3: 	}
nuclear@3: 	if(flags & VK_QUEUE_SPARSE_BINDING_BIT) {
nuclear@3: 		strcat(str, "sparse-binding ");
nuclear@3: 	}
nuclear@3: 	if(!*str) {
nuclear@3: 		strcat(str, "-");
nuclear@3: 	}
nuclear@3: 	return str;
nuclear@3: }
nuclear@3: 
nuclear@3: static int ver_major(uint32_t ver)
nuclear@3: {
nuclear@3: 	return (ver >> 22) & 0x3ff;
nuclear@3: }
nuclear@3: 
nuclear@3: static int ver_minor(uint32_t ver)
nuclear@3: {
nuclear@3: 	return (ver >> 12) & 0x3ff;
nuclear@3: }
nuclear@3: 
nuclear@3: static int ver_patch(uint32_t ver)
nuclear@3: {
nuclear@3: 	return ver & 0xfff;
nuclear@3: }
nuclear@3: 
nuclear@3: static const char *mem_size_str(long sz)
nuclear@3: {
nuclear@3: 	static char str[64];
nuclear@3: 	static const char *unitstr[] = { "bytes", "KB", "MB", "GB", "TB", "PB", 0 };
nuclear@3: 	int uidx = 0;
nuclear@3: 	sz *= 10;
nuclear@3: 
nuclear@3: 	while(sz >= 10240 && unitstr[uidx + 1]) {
nuclear@3: 		sz /= 1024;
nuclear@3: 		++uidx;
nuclear@3: 	}
nuclear@3: 	sprintf(str, "%ld.%ld %s", sz / 10, sz % 10, unitstr[uidx]);
nuclear@3: 	return str;
nuclear@3: }