diff options
Diffstat (limited to 'src/vk-context.cpp')
| -rw-r--r-- | src/vk-context.cpp | 76 |
1 files changed, 41 insertions, 35 deletions
diff --git a/src/vk-context.cpp b/src/vk-context.cpp index 2783c6a..e4a8815 100644 --- a/src/vk-context.cpp +++ b/src/vk-context.cpp @@ -2,6 +2,8 @@ #include <iostream> #include <cassert> +#include <vector> +#include <array> #define VMA_IMPLEMENTATION #include <vk_mem_alloc.h> @@ -83,15 +85,16 @@ void vkcontext::create_instance() { app_info.engineVersion = VK_MAKE_VERSION(1, 0, 0); app_info.apiVersion = VK_API_VERSION_1_2; - std::vector<const char*> needed_layers = { + const char* needed_layers[] = { #if defined(_DEBUG) "VK_LAYER_KHRONOS_validation", #endif }; + auto needed_layers_count = sizeof(needed_layers) / sizeof(needed_layers[0]); - check_available_instance_layers(needed_layers); + check_available_instance_layers(needed_layers, needed_layers_count); - std::vector<const char*> needed_extensions = { + const char* needed_extensions[] = { VK_EXT_DEBUG_UTILS_EXTENSION_NAME, "VK_KHR_surface", #if defined(LINUX) @@ -102,16 +105,17 @@ void vkcontext::create_instance() { "VK_EXT_metal_surface" #endif }; + auto needed_extensions_count = sizeof(needed_extensions) / sizeof(needed_extensions[0]); - check_available_instance_extensions(needed_extensions); + check_available_instance_extensions(needed_extensions, needed_extensions_count); VkInstanceCreateInfo instance_create_info = {}; instance_create_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO; instance_create_info.pApplicationInfo = &app_info; - instance_create_info.enabledLayerCount = needed_layers.size(); - instance_create_info.ppEnabledLayerNames = needed_layers.data(); - instance_create_info.enabledExtensionCount = needed_extensions.size(); - instance_create_info.ppEnabledExtensionNames = needed_extensions.data(); + instance_create_info.enabledLayerCount = needed_layers_count; + instance_create_info.ppEnabledLayerNames = needed_layers; + instance_create_info.enabledExtensionCount = needed_extensions_count; + instance_create_info.ppEnabledExtensionNames = needed_extensions; VKRESULT(vkCreateInstance(&instance_create_info, nullptr, &instance)) @@ -142,15 +146,19 @@ void vkcontext::create_debugger() { void vkcontext::create_device() { select_physical_device(); - select_queue(VK_QUEUE_COMPUTE_BIT | VK_QUEUE_GRAPHICS_BIT | VK_QUEUE_TRANSFER_BIT); - VkDeviceQueueCreateInfo queue_create_info = {}; - queue_create_info.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO; - queue_create_info.queueFamilyIndex = queue_index; - queue_create_info.queueCount = 1; + graphics_queue = { + .usages = VK_QUEUE_COMPUTE_BIT | VK_QUEUE_GRAPHICS_BIT | VK_QUEUE_TRANSFER_BIT, + }; + auto queue_priority = 1.f; + graphics_queue.index = select_queue(graphics_queue.usages); + auto queue_create_info = VkDeviceQueueCreateInfo { + .sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO, + .queueFamilyIndex = graphics_queue.index, + .queueCount = 1, - float queue_priority = 1.f; - queue_create_info.pQueuePriorities = &queue_priority; + .pQueuePriorities = &queue_priority + }; VkPhysicalDeviceVulkan12Features physical_device_12_features = {}; physical_device_12_features.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VULKAN_1_2_FEATURES; @@ -168,7 +176,7 @@ void vkcontext::create_device() { device_features.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2; device_features.pNext = &physical_device_12_features; - std::vector<const char*> device_ext = { + const char* device_ext[] = { "VK_KHR_swapchain", }; @@ -177,15 +185,15 @@ void vkcontext::create_device() { device_create_info.pNext = &device_features; device_create_info.pQueueCreateInfos = &queue_create_info; device_create_info.queueCreateInfoCount = 1; - device_create_info.ppEnabledExtensionNames = device_ext.data(); - device_create_info.enabledExtensionCount = device_ext.size(); + device_create_info.ppEnabledExtensionNames = device_ext; + device_create_info.enabledExtensionCount = sizeof(device_ext) / sizeof(device_ext[0]); device_create_info.enabledLayerCount = 0; // Deprecated https://www.khronos.org/registry/vulkan/specs/1.2/html/chap31.html#extendingvulkan-layers-devicelayerdeprecation VKRESULT(vkCreateDevice(physical_device, &device_create_info, nullptr, &device)) load_device_functions(device); - vkGetDeviceQueue(device, queue_index, 0, &queue); + vkGetDeviceQueue(device, graphics_queue.index, 0, &graphics_queue.handle); std::cerr << "Device ready" << std::endl; } @@ -208,7 +216,6 @@ void vkcontext::select_physical_device() { if (physical_devices_count < 1) { std::cerr << "No physical device found !" << std::endl; - exit(1); } std::vector<VkPhysicalDevice> physical_devices { physical_devices_count }; @@ -224,7 +231,7 @@ void vkcontext::select_physical_device() { assert(physical_device != VK_NULL_HANDLE); } -void vkcontext::select_queue(VkQueueFlags queueUsage) { +uint32_t vkcontext::select_queue(VkQueueFlags queue_usage) const { uint32_t queue_properties_count = 0; vkGetPhysicalDeviceQueueFamilyProperties(physical_device, &queue_properties_count, nullptr); @@ -232,17 +239,16 @@ void vkcontext::select_queue(VkQueueFlags queueUsage) { vkGetPhysicalDeviceQueueFamilyProperties(physical_device, &queue_properties_count, queue_properties.data()); for (uint32_t properties_index = 0; properties_index < queue_properties_count; properties_index++) { - if ((queue_properties[properties_index].queueFlags & queueUsage) != 0U) { - queue_index = properties_index; - return; + if ((queue_properties[properties_index].queueFlags & queue_usage) != 0U) { + return properties_index; } } - std::cerr << "No compute queue found !" << std::endl; - exit(1); + assert(true); + return UINT_MAX; } -void vkcontext::check_available_instance_layers(std::vector<const char*>& needed_layers) { +void vkcontext::check_available_instance_layers(const char* needed_layers[], size_t needed_layers_count) { uint32_t property_count = 0; vkEnumerateInstanceLayerProperties(&property_count, VK_NULL_HANDLE); @@ -251,18 +257,18 @@ void vkcontext::check_available_instance_layers(std::vector<const char*>& needed uint32_t available_needed_layers_count = 0; - for (auto& layer_property: layer_properties) { - for (auto& needed_layer: needed_layers) { - if (strcmp(layer_property.layerName, needed_layer) == 0) { + for (auto layer_property: layer_properties) { + for (auto layer_index { 0U }; layer_index < needed_layers_count; layer_index++) { + if (strcmp(layer_property.layerName, needed_layers[layer_index]) == 0) { available_needed_layers_count++; } } } - assert(available_needed_layers_count == needed_layers.size()); + assert(available_needed_layers_count == needed_layers_count); } -void vkcontext::check_available_instance_extensions(std::vector<const char*>& needed_extensions) { +void vkcontext::check_available_instance_extensions(const char* needed_extensions[], size_t needed_extensions_count) { uint32_t vulkan_extensions_count = 0; vkEnumerateInstanceExtensionProperties(VK_NULL_HANDLE, &vulkan_extensions_count, VK_NULL_HANDLE); @@ -271,14 +277,14 @@ void vkcontext::check_available_instance_extensions(std::vector<const char*>& ne uint32_t available_needed_extensions_count = 0; for (auto& extension: vulkan_extensions_properties) { - for (auto& needed_extension: needed_extensions) { - if (strcmp(extension.extensionName, needed_extension) == 0) { + for (auto extension_index { 0U }; extension_index < needed_extensions_count; extension_index++) { + if (strcmp(extension.extensionName, needed_extensions[extension_index]) == 0) { available_needed_extensions_count++; } } } - assert(available_needed_extensions_count == needed_extensions.size()); + assert(available_needed_extensions_count == needed_extensions_count); } bool vkcontext::support_required_features(VkPhysicalDevice physical_device) { |