adding fence, semaphore, device and validation layers support

sandbox/Makefile

@@ -0,0 +1,10 @@
+NAME = ./test
+
+CC = clang
+
+all : $(NAME)
+
+$(NAME):
+	$(CC) -o $(NAME) main.c -lvulkan -lSDL2 -g
+
+.PHONY: all

sandbox/main.c

@@ -0,0 +1,32 @@
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_vulkan.h>
+#include <stdlib.h>
+#define KVF_IMPLEMENTATION
+#define KVF_ENABLE_VALIDATION_LAYERS
+#include "../kvf.h"
+
+int main(void)
+{
+	SDL_Window* win = SDL_CreateWindow("KVF Sandbox", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 600, 400, SDL_WINDOW_VULKAN);
+	uint32_t ext_count;
+	SDL_Vulkan_GetInstanceExtensions(win, &ext_count, NULL);
+	const char** exts = malloc(sizeof(char*) * (ext_count + 1));
+	exts[0] = VK_EXT_DEBUG_REPORT_EXTENSION_NAME;
+	SDL_Vulkan_GetInstanceExtensions(win, &ext_count, exts + 1);
+
+	VkInstance instance = kvfCreateInstance(exts, ext_count + 1);
+	VkSurfaceKHR surface = VK_NULL_HANDLE;
+	SDL_Vulkan_CreateSurface(win, instance, &surface);
+	VkPhysicalDevice ph_device = kvfPickGoodDefaultPhysicalDevice(instance, surface);
+	VkDevice device = kvfCreateDefaultDevice(ph_device);
+	VkQueue graphics_queue = kvfGetDeviceQueue(device, KVF_GRAPHICS_QUEUE);
+	VkQueue present_queue = kvfGetDeviceQueue(device, KVF_PRESENT_QUEUE);
+
+	SDL_Delay(2000);
+
+	vkDestroySurfaceKHR(instance, surface, NULL);
+	kvfDestroyDevice(device);
+	kvfDestroyInstance(instance);
+
+	return 0;
+}