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WIP impl. "logical device and queues"

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TODO: "Presentation: Window surface"
https://vulkan-tutorial.com/Drawing_a_triangle/Presentation/Window_surface
This commit is contained in:
Stephen Seo 2024-03-05 15:50:32 +09:00
parent 81ff94485f
commit ac88544d2f
1 changed files with 66 additions and 0 deletions
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66
src/main.rs
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@ -185,6 +185,8 @@ struct VulkanApp {
vk_instance: ffi::VkInstance,
debug_messenger: ffi::VkDebugUtilsMessengerEXT,
physical_device: ffi::VkPhysicalDevice,
device: ffi::VkDevice,
graphics_queue: ffi::VkQueue,
}
impl VulkanApp {
@ -194,6 +196,8 @@ impl VulkanApp {
vk_instance: std::ptr::null_mut(),
debug_messenger: std::ptr::null_mut(),
physical_device: std::ptr::null_mut(),
device: std::ptr::null_mut(),
graphics_queue: std::ptr::null_mut(),
}
}
@ -225,6 +229,7 @@ impl VulkanApp {
self.create_instance();
self.setup_debug_messenger();
self.pick_physical_device();
self.create_logical_device();
}
fn create_instance(&mut self) {
@ -363,6 +368,61 @@ impl VulkanApp {
}
}
fn create_logical_device(&mut self) {
if self.physical_device.is_null() {
panic!("\"physical_device\" must be set before calling \"create_logical_device\"!");
}
let indices = find_queue_families(self.physical_device);
let mut dev_queue_create_info: ffi::VkDeviceQueueCreateInfo = unsafe { std::mem::zeroed() };
dev_queue_create_info.sType = ffi::VkStructureType_VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
dev_queue_create_info.queueFamilyIndex = indices
.graphics_family
.expect("\"physical_device\" must support graphics!");
dev_queue_create_info.queueCount = 1;
let queue_priority: f32 = 1.0;
dev_queue_create_info.pQueuePriorities = std::ptr::addr_of!(queue_priority);
let mut phys_dev_feat: ffi::VkPhysicalDeviceFeatures = unsafe { std::mem::zeroed() };
let mut dev_create_info: ffi::VkDeviceCreateInfo = unsafe { std::mem::zeroed() };
dev_create_info.sType = ffi::VkStructureType_VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
dev_create_info.pQueueCreateInfos = std::ptr::addr_of!(dev_queue_create_info);
dev_create_info.queueCreateInfoCount = 1;
dev_create_info.pEnabledFeatures = std::ptr::addr_of!(phys_dev_feat);
dev_create_info.enabledExtensionCount = 0;
if ENABLE_VALIDATION_LAYERS {
dev_create_info.enabledLayerCount = VALIDATION_LAYERS.len() as u32;
dev_create_info.ppEnabledLayerNames = VALIDATION_LAYERS.as_ptr() as *const *const i8;
} else {
dev_create_info.enabledLayerCount = 0;
}
let result = unsafe {
ffi::vkCreateDevice(
self.physical_device,
std::ptr::addr_of!(dev_create_info),
std::ptr::null(),
std::ptr::addr_of_mut!(self.device),
)
};
if result != ffi::VkResult_VK_SUCCESS {
panic!("Failed to create logical device!");
}
unsafe {
ffi::vkGetDeviceQueue(
self.device,
indices.graphics_family.unwrap(),
0,
std::ptr::addr_of_mut!(self.graphics_queue),
);
}
}
fn main_loop(&mut self) {
if self.window.is_null() {
panic!("ERROR: Cannot execute main loop if window is null!");
@ -385,6 +445,12 @@ impl VulkanApp {
impl Drop for VulkanApp {
fn drop(&mut self) {
if !self.device.is_null() {
unsafe {
ffi::vkDestroyDevice(self.device, std::ptr::null());
}
}
if ENABLE_VALIDATION_LAYERS && !self.debug_messenger.is_null() {
let func_opt: ffi::PFN_vkDestroyDebugUtilsMessengerEXT = unsafe {
std::mem::transmute(ffi::vkGetInstanceProcAddr(