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Created a logical device

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Warwick 2024-12-15 14:56:19 +00:00
parent 7b6317f4de
commit 87d20ff820
1 changed files with 45 additions and 0 deletions
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45
src/main.c
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@ -35,6 +35,9 @@ typedef struct Application {
GLFWwindow *window;
VkInstance instance;
VkDebugUtilsMessengerEXT debugMessenger;
VkPhysicalDevice physicalDevice;
VkDevice device;
VkQueue graphicsQueue;
} Application;
bool checkValidationLayerSupport() {
@ -274,12 +277,53 @@ void pickPhysicalDevice(Application *app) {
fprintf(stderr, "Failed to find suitable GPU\n");
exit(EXIT_FAILURE);
}
app->physicalDevice = physicalDevice;
}
void createLogicalDevice(Application *app) {
// Specify Queues
QueueFamilyIndices indeces = findQueueFamilies(app->physicalDevice);
VkDeviceQueueCreateInfo queueCreateInfo = {};
queueCreateInfo.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
queueCreateInfo.queueFamilyIndex = indeces.graphicsFamily;
queueCreateInfo.queueCount = 1;
float queuePriority = 1.0f;
queueCreateInfo.pQueuePriorities = &queuePriority;
// Specify device features
VkPhysicalDeviceFeatures deviceFeatures = {VK_FALSE};
// Specify logical device
VkDeviceCreateInfo createInfo = {};
createInfo.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
createInfo.pQueueCreateInfos = &queueCreateInfo;
createInfo.pEnabledFeatures = &deviceFeatures;
createInfo.queueCreateInfoCount = 1;
// Old Vulkan specify layers
createInfo.enabledLayerCount = 0;
createInfo.ppEnabledLayerNames = 0;
if (enableValidationLayers) {
createInfo.enabledLayerCount = validationLayerCount;
createInfo.ppEnabledLayerNames = validationLayers;
}
if (vkCreateDevice(app->physicalDevice, &createInfo, NULL, &app->device) !=
VK_SUCCESS) {
fprintf(stderr, "Failed to create logical device.\n");
exit(EXIT_FAILURE);
}
// Set graphics queue from logical device
vkGetDeviceQueue(app->device, indeces.graphicsFamily, 0, &app->graphicsQueue);
}
void initVulkan(Application *app) {
createInstance(app);
setupDebugMessenger(app);
pickPhysicalDevice(app);
createLogicalDevice(app);
}
void mainLoop(Application *app) {
while (!glfwWindowShouldClose(app->window)) {
@ -287,6 +331,7 @@ void mainLoop(Application *app) {
}
}
void cleanup(Application *app) {
vkDestroyDevice(app->device, NULL);
if (enableValidationLayers) {
DestroyDebugUtilsMessengerEXT(app->instance, app->debugMessenger, NULL);
}