void Renderer::_InitDevice()
{
{
uint32_t gpu_count = 0;
vkEnumeratePhysicalDevices( _instance, &gpu_count, nullptr );
std::vector<VkPhysicalDevice> gpu_list( gpu_count );
vkEnumeratePhysicalDevices( _instance, &gpu_count, gpu_list.data() );
_gpu = gpu_list[ 0 ];
vkGetPhysicalDeviceProperties( _gpu, &_gpu_properties );
}
{
uint32_t family_count = 0;
vkGetPhysicalDeviceQueueFamilyProperties( _gpu, &family_count, nullptr );
std::vector<VkQueueFamilyProperties> family_property_list( family_count );
vkGetPhysicalDeviceQueueFamilyProperties( _gpu, &family_count, family_property_list.data() );
bool found = false;
for( uint32_t i=0; i < family_count; ++i ) {
if( family_property_list[ i ].queueFlags & VK_QUEUE_GRAPHICS_BIT ) {
found = true;
_graphics_family_index = i;
}
}
if( !found ) {
assert( 0 && "Vulkan ERROR: Queue family supporting graphics not found." );
std::exit( -1 );
}
}
float queue_priorities[] { 1.0f };
VkDeviceQueueCreateInfo device_queue_create_info {};
device_queue_create_info.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
device_queue_create_info.queueFamilyIndex = _graphics_family_index;
device_queue_create_info.queueCount = 1;
device_queue_create_info.pQueuePriorities = queue_priorities;
VkDeviceCreateInfo device_create_info {};
device_create_info.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
device_create_info.queueCreateInfoCount = 1;
device_create_info.pQueueCreateInfos = &device_queue_create_info;
device_create_info.enabledLayerCount = _device_layers.size();
device_create_info.ppEnabledLayerNames = _device_layers.data();
device_create_info.enabledExtensionCount = _device_extensions.size();
device_create_info.ppEnabledExtensionNames = _device_extensions.data();
ErrorCheck( vkCreateDevice( _gpu, &device_create_info, nullptr, &_device ) );
vkGetDeviceQueue( _device, _graphics_family_index, 0, &_queue );
}
// Devices
void Renderer::_InitDevice() {
{
uint32_t gpu_count = 0;
// Read number of GPU's
vkEnumeratePhysicalDevices(_instance, &gpu_count, nullptr);
std::vector<VkPhysicalDevice> gpu_list(gpu_count);
// Populate list
vkEnumeratePhysicalDevices(_instance, &gpu_count, gpu_list.data());
_gpu = gpu_list[0]; // Get the first available list
vkGetPhysicalDeviceProperties(_gpu, &_gpu_properties);
vkGetPhysicalDeviceMemoryProperties(_gpu, &_gpu_memory_properties);
}
{
uint32_t family_count = 0;
// Read number of GPU queue family properties
vkGetPhysicalDeviceQueueFamilyProperties(_gpu, &family_count, nullptr);
std::vector<VkQueueFamilyProperties> family_property_list(family_count);
// Populate list
vkGetPhysicalDeviceQueueFamilyProperties(_gpu, &family_count, family_property_list.data());
// Find the graphics family
bool found = false;
for (uint32_t i = 0; i < family_count; ++i) {
if (family_property_list[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) {
found = true;
_graphics_family_index = i;
}
}
if (!found) {
assert(0 && "Vulkan ERROR: Queue family supporting graphics not found.");
std::exit(-1);
}
}
// Instance Layers
{
uint32_t layer_count = 0;
// Read the number of layers
vkEnumerateInstanceLayerProperties(&layer_count, nullptr);
std::vector<VkLayerProperties> layer_property_list(layer_count);
// Populate list
vkEnumerateInstanceLayerProperties(&layer_count, layer_property_list.data());
#if BUILD_ENABLE_VULKAN_RUNTIME_DEBUG
std::cout << "Instance layers: \n";
for (auto &i : layer_property_list) {
std::cout << " " << i.layerName << "\t\t | " << i.description << std::endl;
}
std::cout << std::endl;
#endif
}
// Instance Extensions
{
uint32_t extension_count = 0;
// Read the number of extensions
vkEnumerateInstanceExtensionProperties(nullptr, &extension_count, nullptr);
std::vector<VkExtensionProperties> extension_property_list(extension_count);
// Populate list
vkEnumerateInstanceExtensionProperties(nullptr, &extension_count, extension_property_list.data());
#if BUILD_ENABLE_VULKAN_RUNTIME_DEBUG
std::cout << "Instance extensions: \n";
for (auto &i : extension_property_list) {
std::cout << " " << i.extensionName << "\t\t | " << i.specVersion << std::endl;
}
std::cout << std::endl;
#endif
}
// Device Layers
{
uint32_t layer_count = 0;
// Read the number of layers
vkEnumerateDeviceLayerProperties(_gpu, &layer_count, nullptr);
std::vector<VkLayerProperties> layer_property_list(layer_count);
// Populate list
vkEnumerateDeviceLayerProperties(_gpu, &layer_count, layer_property_list.data());
#if BUILD_ENABLE_VULKAN_RUNTIME_DEBUG
std::cout << "Device layers: \n";
for (auto &i : layer_property_list) {
std::cout << " " << i.layerName << "\t\t | " << i.description << std::endl;
}
std::cout << std::endl;
#endif
}
// Device Extensions
{
uint32_t extension_count = 0;
// Read the number of extensions
vkEnumerateDeviceExtensionProperties(_gpu, nullptr, &extension_count, nullptr);
std::vector<VkExtensionProperties> extension_property_list(extension_count);
// Populate list
vkEnumerateDeviceExtensionProperties(_gpu, nullptr, &extension_count, extension_property_list.data());
#if BUILD_ENABLE_VULKAN_RUNTIME_DEBUG
std::cout << "Device extensions: \n";
for (auto &i : extension_property_list) {
std::cout << " " << i.extensionName << "\t\t | " << i.specVersion << std::endl;
}
std::cout << std::endl;
#endif
}
float queue_priorities[] {1.0f};
VkDeviceQueueCreateInfo device_queue_create_info {};
device_queue_create_info.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
device_queue_create_info.queueFamilyIndex = _graphics_family_index;
device_queue_create_info.queueCount = 1;
device_queue_create_info.pQueuePriorities = queue_priorities;
VkDeviceCreateInfo device_create_info = {};
device_create_info.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
device_create_info.queueCreateInfoCount = 1;
device_create_info.pQueueCreateInfos = &device_queue_create_info;
device_create_info.enabledLayerCount = (uint32_t) _device_layer_list.size();
device_create_info.ppEnabledLayerNames = _device_layer_list.data();
device_create_info.enabledExtensionCount = (uint32_t) _device_extension_list.size();
device_create_info.ppEnabledExtensionNames = _device_extension_list.data();
ErrorCheck(vkCreateDevice(_gpu, &device_create_info, nullptr, &_device));
vkGetDeviceQueue(_device, _graphics_family_index, 0, &_queue);
}
