i forgor to command buffer

Signed-off-by: Anna (navi) Figueiredo Gomes <navi@vlhl.dev>

1 files changed, 31 insertions, 3 deletions

diff --git a/main.c b/main.c
index 720850a..273f51f 100644
--- a/main.c
+++ b/main.c
@@ -6,6 +6,7 @@
 #include <string.h>
 
 static SDL_Window *window = NULL;
+static VkDebugUtilsMessengerEXT debug_messenger;
 static VkInstance instance = VK_NULL_HANDLE;
 static VkPhysicalDevice phy_gpu = VK_NULL_HANDLE;
 static VkDevice gpu = VK_NULL_HANDLE;
@@ -148,6 +149,12 @@ void cleanup() {
 	SDL_DestroyWindow(window);
 }
 
+static VKAPI_ATTR VkBool32 VKAPI_CALL debug_callback( VkDebugUtilsMessageSeverityFlagBitsEXT severity,
+		VkDebugUtilsMessageTypeFlagsEXT type, const VkDebugUtilsMessengerCallbackDataEXT *callback_data, void *data) {
+	fprintf(stderr, "validation layer: %s\n", callback_data->pMessage);
+	return VK_FALSE;
+}
+
 void create_instance() {
 	VkApplicationInfo app_info = {
 		.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO,
@@ -161,17 +168,22 @@ void create_instance() {
 	uint32_t sdl_exts = 0;
 	SDL_Vulkan_GetInstanceExtensions(window, &sdl_exts, NULL);
 
-	const char *sdl_exts_names[sdl_exts];
+	const char *sdl_exts_names[sdl_exts + 1];
 	SDL_Vulkan_GetInstanceExtensions(window, &sdl_exts, sdl_exts_names);
 
+	sdl_exts_names[sdl_exts++] = VK_EXT_DEBUG_UTILS_EXTENSION_NAME;
+
 	for (size_t i = 0; i < sdl_exts; i++) {
 		puts(sdl_exts_names[i]);
 	};
 
+	const char *validation_layers[] = { "VK_LAYER_KHRONOS_validation" };
+
 	VkInstanceCreateInfo create_info = {
 		.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
 		.pApplicationInfo = &app_info,
-		.enabledLayerCount = 0,
+		.enabledLayerCount = 1,
+		.ppEnabledLayerNames = validation_layers,
 		.enabledExtensionCount = sdl_exts,
 		.ppEnabledExtensionNames = sdl_exts_names,
 	};
@@ -181,6 +193,20 @@ void create_instance() {
 		fputs("failed to create vk instance", stderr);
 		exit(-1);
 	}
+
+	VkDebugUtilsMessengerCreateInfoEXT debug_create_info = {
+		.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT,
+		.messageSeverity = VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT
+			| VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT
+			| VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT,
+		.messageType = VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT
+			| VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT
+			| VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT,
+		.pfnUserCallback = debug_callback
+	};
+
+	((PFN_vkCreateDebugUtilsMessengerEXT)
+		 vkGetInstanceProcAddr(instance, "vkCreateDebugUtilsMessengerEXT"))(instance, &debug_create_info, NULL, &debug_messenger);
 }
 
 struct queue_indices find_queue_families(VkPhysicalDevice dev) {
@@ -802,7 +828,9 @@ void draw() {
 		.pWaitSemaphores = wait_semaphores,
 		.pWaitDstStageMask = wait_stages,
 		.signalSemaphoreCount = 1,
-		.pSignalSemaphores = signal_semaphores
+		.pSignalSemaphores = signal_semaphores,
+		.commandBufferCount = 1,
+		.pCommandBuffers = &command_buffer
 	};
 
 	VkResult res = vkQueueSubmit(gfx_queue, 1, &submit_info, in_flight_fence);