wlroots-hyprland/render/vulkan/vulkan.c

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#include <assert.h>
#include <math.h>
#include <stdlib.h>
#include <stdint.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <xf86drm.h>
#include <vulkan/vulkan.h>
#include <wlr/util/log.h>
#include <wlr/version.h>
#include <wlr/config.h>
#include "render/vulkan.h"
#if defined(__linux__)
#include <sys/sysmacros.h>
#endif
static bool check_extension(const VkExtensionProperties *avail,
uint32_t avail_len, const char *name) {
for (size_t i = 0; i < avail_len; i++) {
if (strcmp(avail[i].extensionName, name) == 0) {
return true;
}
}
return false;
}
static VkBool32 debug_callback(VkDebugUtilsMessageSeverityFlagBitsEXT severity,
VkDebugUtilsMessageTypeFlagsEXT type,
const VkDebugUtilsMessengerCallbackDataEXT *debug_data,
void *data) {
// we ignore some of the non-helpful warnings
static const char *const ignored[] = {
// notifies us that shader output is not consumed since
// we use the shared vertex buffer with uv output
"UNASSIGNED-CoreValidation-Shader-OutputNotConsumed",
};
if (debug_data->pMessageIdName) {
for (unsigned i = 0; i < sizeof(ignored) / sizeof(ignored[0]); ++i) {
if (strcmp(debug_data->pMessageIdName, ignored[i]) == 0) {
return false;
}
}
}
enum wlr_log_importance importance;
switch (severity) {
case VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT:
case VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT:
importance = WLR_ERROR;
break;
default:
case VK_DEBUG_UTILS_MESSAGE_SEVERITY_INFO_BIT_EXT:
importance = WLR_INFO;
break;
}
wlr_log(importance, "%s (%s)", debug_data->pMessage,
debug_data->pMessageIdName);
if (debug_data->queueLabelCount > 0) {
const char *name = debug_data->pQueueLabels[0].pLabelName;
if (name) {
wlr_log(importance, " last label '%s'", name);
}
}
for (unsigned i = 0; i < debug_data->objectCount; ++i) {
if (debug_data->pObjects[i].pObjectName) {
wlr_log(importance, " involving '%s'", debug_data->pMessage);
}
}
return false;
}
// instance
struct wlr_vk_instance *vulkan_instance_create(bool debug) {
// we require vulkan 1.1
PFN_vkEnumerateInstanceVersion pfEnumInstanceVersion =
(PFN_vkEnumerateInstanceVersion)
vkGetInstanceProcAddr(VK_NULL_HANDLE, "vkEnumerateInstanceVersion");
if (!pfEnumInstanceVersion) {
wlr_log(WLR_ERROR, "wlroots requires vulkan 1.1 which is not available");
return NULL;
}
uint32_t ini_version;
if (pfEnumInstanceVersion(&ini_version) != VK_SUCCESS ||
ini_version < VK_API_VERSION_1_1) {
wlr_log(WLR_ERROR, "wlroots requires vulkan 1.1 which is not available");
return NULL;
}
// query extension support
uint32_t avail_extc = 0;
VkResult res;
res = vkEnumerateInstanceExtensionProperties(NULL, &avail_extc, NULL);
if ((res != VK_SUCCESS) || (avail_extc == 0)) {
wlr_vk_error("Could not enumerate instance extensions (1)", res);
return NULL;
}
VkExtensionProperties avail_ext_props[avail_extc + 1];
res = vkEnumerateInstanceExtensionProperties(NULL, &avail_extc,
avail_ext_props);
if (res != VK_SUCCESS) {
wlr_vk_error("Could not enumerate instance extensions (2)", res);
return NULL;
}
for (size_t j = 0; j < avail_extc; ++j) {
wlr_log(WLR_DEBUG, "Vulkan instance extension %s v%"PRIu32,
avail_ext_props[j].extensionName, avail_ext_props[j].specVersion);
}
// create instance
struct wlr_vk_instance *ini = calloc(1, sizeof(*ini));
if (!ini) {
wlr_log_errno(WLR_ERROR, "allocation failed");
return NULL;
}
size_t extensions_len = 0;
const char *extensions[1] = {0};
bool debug_utils_found = false;
if (debug && check_extension(avail_ext_props, avail_extc,
VK_EXT_DEBUG_UTILS_EXTENSION_NAME)) {
debug_utils_found = true;
extensions[extensions_len++] = VK_EXT_DEBUG_UTILS_EXTENSION_NAME;
}
assert(extensions_len <= sizeof(extensions) / sizeof(extensions[0]));
VkApplicationInfo application_info = {
.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO,
.pEngineName = "wlroots",
.engineVersion = WLR_VERSION_NUM,
.apiVersion = VK_API_VERSION_1_1,
};
VkInstanceCreateInfo instance_info = {
.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
.pApplicationInfo = &application_info,
.enabledExtensionCount = extensions_len,
.ppEnabledExtensionNames = extensions,
.enabledLayerCount = 0,
.ppEnabledLayerNames = NULL,
};
VkDebugUtilsMessageSeverityFlagsEXT severity =
// VK_DEBUG_UTILS_MESSAGE_SEVERITY_INFO_BIT_EXT |
VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT |
VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT;
VkDebugUtilsMessageTypeFlagsEXT types =
// VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT |
VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT |
VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT;
VkDebugUtilsMessengerCreateInfoEXT debug_info = {
.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT,
.messageSeverity = severity,
.messageType = types,
.pfnUserCallback = &debug_callback,
.pUserData = ini,
};
if (debug_utils_found) {
// already adding the debug utils messenger extension to
// instance creation gives us additional information during
// instance creation and destruction, can be useful for debugging
// layers/extensions not being found.
instance_info.pNext = &debug_info;
}
res = vkCreateInstance(&instance_info, NULL, &ini->instance);
if (res != VK_SUCCESS) {
wlr_vk_error("Could not create instance", res);
goto error;
}
// debug callback
if (debug_utils_found) {
ini->api.createDebugUtilsMessengerEXT =
(PFN_vkCreateDebugUtilsMessengerEXT) vkGetInstanceProcAddr(
ini->instance, "vkCreateDebugUtilsMessengerEXT");
ini->api.destroyDebugUtilsMessengerEXT =
(PFN_vkDestroyDebugUtilsMessengerEXT) vkGetInstanceProcAddr(
ini->instance, "vkDestroyDebugUtilsMessengerEXT");
if (ini->api.createDebugUtilsMessengerEXT) {
ini->api.createDebugUtilsMessengerEXT(ini->instance,
&debug_info, NULL, &ini->messenger);
} else {
wlr_log(WLR_ERROR, "vkCreateDebugUtilsMessengerEXT not found");
}
}
return ini;
error:
vulkan_instance_destroy(ini);
return NULL;
}
void vulkan_instance_destroy(struct wlr_vk_instance *ini) {
if (!ini) {
return;
}
if (ini->messenger && ini->api.destroyDebugUtilsMessengerEXT) {
ini->api.destroyDebugUtilsMessengerEXT(ini->instance,
ini->messenger, NULL);
}
if (ini->instance) {
vkDestroyInstance(ini->instance, NULL);
}
free(ini);
}
// physical device matching
static void log_phdev(const VkPhysicalDeviceProperties *props) {
uint32_t vv_major = VK_VERSION_MAJOR(props->apiVersion);
uint32_t vv_minor = VK_VERSION_MINOR(props->apiVersion);
uint32_t vv_patch = VK_VERSION_PATCH(props->apiVersion);
uint32_t dv_major = VK_VERSION_MAJOR(props->driverVersion);
uint32_t dv_minor = VK_VERSION_MINOR(props->driverVersion);
uint32_t dv_patch = VK_VERSION_PATCH(props->driverVersion);
const char *dev_type = "unknown";
switch (props->deviceType) {
case VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU:
dev_type = "integrated";
break;
case VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU:
dev_type = "discrete";
break;
case VK_PHYSICAL_DEVICE_TYPE_CPU:
dev_type = "cpu";
break;
case VK_PHYSICAL_DEVICE_TYPE_VIRTUAL_GPU:
dev_type = "vgpu";
break;
default:
break;
}
wlr_log(WLR_INFO, "Vulkan device: '%s'", props->deviceName);
wlr_log(WLR_INFO, " Device type: '%s'", dev_type);
wlr_log(WLR_INFO, " Supported API version: %u.%u.%u", vv_major, vv_minor, vv_patch);
wlr_log(WLR_INFO, " Driver version: %u.%u.%u", dv_major, dv_minor, dv_patch);
}
VkPhysicalDevice vulkan_find_drm_phdev(struct wlr_vk_instance *ini, int drm_fd) {
VkResult res;
uint32_t num_phdevs;
res = vkEnumeratePhysicalDevices(ini->instance, &num_phdevs, NULL);
if (res != VK_SUCCESS) {
wlr_vk_error("Could not retrieve physical devices", res);
return VK_NULL_HANDLE;
}
VkPhysicalDevice phdevs[1 + num_phdevs];
res = vkEnumeratePhysicalDevices(ini->instance, &num_phdevs, phdevs);
if (res != VK_SUCCESS) {
wlr_vk_error("Could not retrieve physical devices", res);
return VK_NULL_HANDLE;
}
struct stat drm_stat = {0};
if (fstat(drm_fd, &drm_stat) != 0) {
wlr_log_errno(WLR_ERROR, "fstat failed");
return VK_NULL_HANDLE;
}
for (uint32_t i = 0; i < num_phdevs; ++i) {
VkPhysicalDevice phdev = phdevs[i];
// check whether device supports vulkan 1.1, needed for
// vkGetPhysicalDeviceProperties2
VkPhysicalDeviceProperties phdev_props;
vkGetPhysicalDeviceProperties(phdev, &phdev_props);
log_phdev(&phdev_props);
if (phdev_props.apiVersion < VK_API_VERSION_1_1) {
// NOTE: we could additionaly check whether the
// VkPhysicalDeviceProperties2KHR extension is supported but
// implementations not supporting 1.1 are unlikely in future
continue;
}
// check for extensions
uint32_t avail_extc = 0;
res = vkEnumerateDeviceExtensionProperties(phdev, NULL,
&avail_extc, NULL);
if ((res != VK_SUCCESS) || (avail_extc == 0)) {
wlr_vk_error(" Could not enumerate device extensions", res);
continue;
}
VkExtensionProperties avail_ext_props[avail_extc + 1];
res = vkEnumerateDeviceExtensionProperties(phdev, NULL,
&avail_extc, avail_ext_props);
if (res != VK_SUCCESS) {
wlr_vk_error(" Could not enumerate device extensions", res);
continue;
}
bool has_drm_props = check_extension(avail_ext_props, avail_extc,
VK_EXT_PHYSICAL_DEVICE_DRM_EXTENSION_NAME);
bool has_driver_props = check_extension(avail_ext_props, avail_extc,
VK_KHR_DRIVER_PROPERTIES_EXTENSION_NAME);
VkPhysicalDeviceProperties2 props = {
.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2,
};
VkPhysicalDeviceDrmPropertiesEXT drm_props = {
.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DRM_PROPERTIES_EXT,
};
if (has_drm_props) {
drm_props.pNext = props.pNext;
props.pNext = &drm_props;
}
VkPhysicalDeviceDriverPropertiesKHR driver_props = {
.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DRIVER_PROPERTIES,
};
if (has_driver_props) {
driver_props.pNext = props.pNext;
props.pNext = &driver_props;
}
vkGetPhysicalDeviceProperties2(phdev, &props);
if (has_driver_props) {
wlr_log(WLR_INFO, " Driver name: %s (%s)", driver_props.driverName, driver_props.driverInfo);
}
if (!has_drm_props) {
wlr_log(WLR_DEBUG, " Ignoring physical device \"%s\": "
"VK_EXT_physical_device_drm not supported",
phdev_props.deviceName);
continue;
}
dev_t primary_devid = makedev(drm_props.primaryMajor, drm_props.primaryMinor);
dev_t render_devid = makedev(drm_props.renderMajor, drm_props.renderMinor);
if (primary_devid == drm_stat.st_rdev ||
render_devid == drm_stat.st_rdev) {
wlr_log(WLR_INFO, "Found matching Vulkan physical device: %s",
phdev_props.deviceName);
return phdev;
}
}
return VK_NULL_HANDLE;
}
static void load_device_proc(struct wlr_vk_device *dev, const char *name,
void *proc_ptr) {
void *proc = (void *)vkGetDeviceProcAddr(dev->dev, name);
if (proc == NULL) {
abort();
}
*(void **)proc_ptr = proc;
}
struct wlr_vk_device *vulkan_device_create(struct wlr_vk_instance *ini,
VkPhysicalDevice phdev) {
VkResult res;
// check for extensions
uint32_t avail_extc = 0;
res = vkEnumerateDeviceExtensionProperties(phdev, NULL,
&avail_extc, NULL);
if (res != VK_SUCCESS || avail_extc == 0) {
wlr_vk_error("Could not enumerate device extensions (1)", res);
return NULL;
}
VkExtensionProperties avail_ext_props[avail_extc + 1];
res = vkEnumerateDeviceExtensionProperties(phdev, NULL,
&avail_extc, avail_ext_props);
if (res != VK_SUCCESS) {
wlr_vk_error("Could not enumerate device extensions (2)", res);
return NULL;
}
for (size_t j = 0; j < avail_extc; ++j) {
wlr_log(WLR_DEBUG, "Vulkan device extension %s v%"PRIu32,
avail_ext_props[j].extensionName, avail_ext_props[j].specVersion);
}
// create device
struct wlr_vk_device *dev = calloc(1, sizeof(*dev));
if (!dev) {
wlr_log_errno(WLR_ERROR, "allocation failed");
return NULL;
}
dev->phdev = phdev;
dev->instance = ini;
dev->drm_fd = -1;
// For dmabuf import we require at least the external_memory_fd,
// external_memory_dma_buf, queue_family_foreign and
// image_drm_format_modifier extensions.
const char *extensions[] = {
VK_KHR_EXTERNAL_MEMORY_FD_EXTENSION_NAME,
VK_KHR_IMAGE_FORMAT_LIST_EXTENSION_NAME, // or vulkan 1.2
VK_EXT_EXTERNAL_MEMORY_DMA_BUF_EXTENSION_NAME,
VK_EXT_QUEUE_FAMILY_FOREIGN_EXTENSION_NAME,
VK_EXT_IMAGE_DRM_FORMAT_MODIFIER_EXTENSION_NAME,
VK_KHR_TIMELINE_SEMAPHORE_EXTENSION_NAME, // or vulkan 1.2
};
size_t extensions_len = sizeof(extensions) / sizeof(extensions[0]);
for (size_t i = 0; i < extensions_len; i++) {
if (!check_extension(avail_ext_props, avail_extc, extensions[i])) {
wlr_log(WLR_ERROR, "vulkan: required device extension %s not found",
extensions[i]);
goto error;
}
}
// queue families
{
uint32_t qfam_count;
vkGetPhysicalDeviceQueueFamilyProperties(phdev, &qfam_count, NULL);
assert(qfam_count > 0);
VkQueueFamilyProperties queue_props[qfam_count];
vkGetPhysicalDeviceQueueFamilyProperties(phdev, &qfam_count,
queue_props);
bool graphics_found = false;
for (unsigned i = 0u; i < qfam_count; ++i) {
graphics_found = queue_props[i].queueFlags & VK_QUEUE_GRAPHICS_BIT;
if (graphics_found) {
dev->queue_family = i;
break;
}
}
assert(graphics_found);
}
const float prio = 1.f;
VkDeviceQueueCreateInfo qinfo = {
.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
.queueFamilyIndex = dev->queue_family,
.queueCount = 1,
.pQueuePriorities = &prio,
};
VkPhysicalDeviceTimelineSemaphoreFeaturesKHR timeline_features = {
.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_TIMELINE_SEMAPHORE_FEATURES_KHR,
.timelineSemaphore = VK_TRUE,
};
VkDeviceCreateInfo dev_info = {
.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
.pNext = &timeline_features,
.queueCreateInfoCount = 1u,
.pQueueCreateInfos = &qinfo,
.enabledExtensionCount = extensions_len,
.ppEnabledExtensionNames = extensions,
};
res = vkCreateDevice(phdev, &dev_info, NULL, &dev->dev);
if (res != VK_SUCCESS) {
wlr_vk_error("Failed to create vulkan device", res);
goto error;
}
vkGetDeviceQueue(dev->dev, dev->queue_family, 0, &dev->queue);
load_device_proc(dev, "vkGetMemoryFdPropertiesKHR",
&dev->api.getMemoryFdPropertiesKHR);
load_device_proc(dev, "vkWaitSemaphoresKHR", &dev->api.waitSemaphoresKHR);
load_device_proc(dev, "vkGetSemaphoreCounterValueKHR",
&dev->api.getSemaphoreCounterValueKHR);
// - check device format support -
size_t max_fmts;
const struct wlr_vk_format *fmts = vulkan_get_format_list(&max_fmts);
dev->shm_formats = calloc(max_fmts, sizeof(*dev->shm_formats));
dev->format_props = calloc(max_fmts, sizeof(*dev->format_props));
if (!dev->shm_formats || !dev->format_props) {
wlr_log_errno(WLR_ERROR, "allocation failed");
goto error;
}
2022-09-07 11:20:51 +02:00
wlr_log(WLR_DEBUG, "Supported Vulkan formats:");
for (unsigned i = 0u; i < max_fmts; ++i) {
vulkan_format_props_query(dev, &fmts[i]);
}
return dev;
error:
vulkan_device_destroy(dev);
return NULL;
}
void vulkan_device_destroy(struct wlr_vk_device *dev) {
if (!dev) {
return;
}
if (dev->dev) {
vkDestroyDevice(dev->dev, NULL);
}
if (dev->drm_fd > 0) {
close(dev->drm_fd);
}
wlr_drm_format_set_finish(&dev->dmabuf_render_formats);
wlr_drm_format_set_finish(&dev->dmabuf_texture_formats);
for (unsigned i = 0u; i < dev->format_prop_count; ++i) {
vulkan_format_props_finish(&dev->format_props[i]);
}
free(dev->shm_formats);
free(dev->format_props);
free(dev);
}