create vulkan swapchain

.clangd

@@ -0,0 +1,2 @@
+CompileFlags:
+  CompilationDatabase: build

.gitignore

@@ -1 +1,2 @@
 build/
+glfw

CMakeLists.txt

@@ -1,10 +1,31 @@
 cmake_minimum_required(VERSION 3.12)
-project(ChemistryRenderingApp LANGUAGES C CXX OBJCXX) # OBJCXX is required for Metal .mm files
-add_executable(ChemistryRenderingApp main.cpp)
+project(ChemistryRenderingApp LANGUAGES C CXX)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+if (APPLE)
+    add_executable(ChemistryRenderingApp main.mm)
+    target_link_libraries(ChemistryRenderingApp PRIVATE
+        "-framework Metal"
+        "-framework Foundation"
+        "-framework QuartzCore"
+        "-framework Cocoa"
+    )
+endif()
+if (UNIX AND NOT APPLE)
+    add_executable(ChemistryRenderingApp main.cpp)
+endif()
 target_include_directories(ChemistryRenderingApp PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}")
-target_link_libraries(ChemistryRenderingApp PRIVATE GryphnLoader)
+target_include_directories(ChemistryRenderingApp PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/glfw/include/")
+target_link_libraries(ChemistryRenderingApp PRIVATE GryphnLoader glfw)
+
 
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 add_subdirectory(Gryphn)
+set(BUILD_SHARED_LIBS ON)
+
+set(GLFW_BUILD_WAYLAND OFF CACHE BOOL "" FORCE)
+set(GLFW_BUILD_X11 ON CACHE BOOL "" FORCE)
+
+add_subdirectory(glfw)
+set(BUILD_SHARED_LIBS OFF)

Gryphn/CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.12)
-project(Gryphn LANGUAGES C CXX OBJCXX) # OBJCXX is required for Metal .mm files
+project(Gryphn LANGUAGES C CXX)
 
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
@@ -10,4 +10,11 @@ set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
 
 # Add subdirectories
 add_subdirectory(GryphnLoader)
-add_subdirectory(apis/GryphnMetal)
+if (APPLE)
+    add_compile_definitions(GN_USE_SURFACE_COCOA)
+    add_subdirectory(apis/GryphnMetal)
+endif()
+if (UNIX)
+    add_compile_definitions(GN_USE_SURFACE_XLIB)
+    add_subdirectory(apis/GryphnVulkan)
+endif()

Gryphn/GryphnLoader/CMakeLists.txt

@@ -16,6 +16,9 @@ target_include_directories(GryphnLoader PUBLIC
 if(APPLE)
     target_compile_definitions(GryphnLoader PUBLIC GN_PLATFORM_MACOS)
 endif()
+if (UNIX AND NOT APPLE)
+    target_compile_definitions(GryphnLoader PUBLIC GN_PLATFORM_LINUX)
+endif()
 
 # 4. Links
 if(UNIX AND NOT APPLE)

Gryphn/GryphnLoader/src/backend/gryphn_backend.c

@@ -6,18 +6,31 @@
 
 typedef uint32_t (*PFN_gnInternalIsApiSupported)(gnVersion);
 
-gnReturnCode gnGetAvaliableBackends(gnVersion version, uint32_t* avaliable_backends, gnBackend* backends) {
-    *avaliable_backends = 0;
-    gnLib metalLib = gnLoadLib("bin/gryphn_metal.dylib");
+int gryphn_CheckLib(gnVersion version, const char* name) {
+    gnLib metalLib = gnLoadLib(name);
     if (gnLibValid(&metalLib)) {
         PFN_gnInternalIsApiSupported isSupported = (PFN_gnInternalIsApiSupported)gnLoadLibFunction(&metalLib, "gnInternalIsApiSupported");
         if (isSupported(version) > 0) {
-            if (backends != NULL) {
-                backends[*avaliable_backends] = GN_BACKEND_METAL;
-            }
-            *avaliable_backends += 1;
-        }
+            return 1;
         }
         gnCloseLib(&metalLib);
+    }
+    return 0;
+}
+
+gnReturnCode gnGetAvaliableBackends(gnVersion version, uint32_t* avaliable_backends, gnBackend* backends) {
+    *avaliable_backends = 0;
+    int metalSupported = gryphn_CheckLib(version, "bin/gryphn_metal.dylib");
+    int vulkanSupported = gryphn_CheckLib(version, "bin/gryphn_vulkan.so");
+    if (metalSupported) {
+        if (backends != NULL)
+            backends[*avaliable_backends] = GN_BACKEND_METAL;
+        *avaliable_backends += 1;
+    }
+    if (vulkanSupported) {
+        if (backends != NULL)
+            backends[*avaliable_backends] = GN_BACKEND_VULKAN;
+        *avaliable_backends += 1;
+    }
     return GN_SUCCESS;
 }

Gryphn/GryphnLoader/src/core/gryphn_format.h

@@ -0,0 +1,30 @@
+#pragma once
+
+typedef enum gnFormat {
+    GN_FORMAT_UNDEFINED = 0,
+    GN_FORMAT_RGBA8_UNORM = 1,
+    GN_FORMAT_RGBA8_SNORM = 2,
+    GN_FORMAT_RGBA8_USCALED = 3,
+    GN_FORMAT_RGBA8_SSCALED = 4,
+    GN_FORMAT_RGBA8_UINT = 5,
+    GN_FORMAT_RGBA8_SINT = 6,
+    GN_FORMAT_RGBA8_SRGB = 7,
+
+    GN_FORMAT_BGRA8_UNORM = 8,
+    GN_FORMAT_BGRA8_SNORM = 9,
+    GN_FORMAT_BGRA8_USCALED = 10,
+    GN_FORMAT_BGRA8_SSCALED = 11,
+    GN_FORMAT_BGRA8_UINT = 12,
+    GN_FORMAT_BGRA8_SINT = 13,
+    GN_FORMAT_BGRA8_SRGB = 14,
+} gnFormat;
+
+typedef enum gnColorSpace {
+    GN_COLOR_SPACE_SRGB_NONLINEAR = 0,
+    GN_COLOR_SPACE_UNKNOWN = 1
+} gnColorSpace;
+
+typedef struct gnSurfaceFormat {
+    gnFormat format;
+    gnColorSpace colorSpace;
+} gnSurfaceFormat;

Gryphn/GryphnLoader/src/core/gryphn_present_mode.h

@@ -0,0 +1,9 @@
+#pragma once
+
+typedef enum gnPresentMode {
+    GN_PRESENT_MODE_IMMEDIATE = 0,
+    GN_PRESENT_MODE_MAILBOX = 1,
+    GN_PRESENT_MODE_FIFO = 2,
+    GN_PRESENT_MODE_FIFO_RELAXED = 3,
+    GN_PRESENT_MODE_UNKNOWN = 4
+} gnPresentMode;

Gryphn/GryphnLoader/src/core/gryphn_vec2d.h

@@ -0,0 +1,7 @@
+#pragma once
+#include "stdint.h"
+
+typedef struct gnExtent2D {
+    uint32_t width;
+    uint32_t height;
+} gnExtent2D;

Gryphn/GryphnLoader/src/device/gryphn_device.c

@@ -0,0 +1,16 @@
+#include "gryphn_device.h"
+#include "instance/gryphn_instance.h"
+#include "stdlib.h"
+
+gnReturnCode gnCreateDevice(gnInstance instance, gnDeviceCreateInfo* createInfo, gnDevice* device) {
+    gnDevice newDevice = malloc(sizeof(gnDevice_t));
+    newDevice->instance = instance;
+    *device = newDevice;
+    return instance->dispatchTable.createDevice(instance, createInfo, newDevice);
+}
+
+gnReturnCode gnDestroyDevice(gnDevice* device) {
+    gnReturnCode returnCode = (*device)->dispatchTable.destroyDevice(*device);
+    *device = NULL;
+    return returnCode;
+}

Gryphn/GryphnLoader/src/device/gryphn_device.h

@@ -0,0 +1,18 @@
+#pragma once
+#include "gryphn_physical_device.h"
+#include "instance/dispatch/gryphn_device_dispatch_table.h"
+
+typedef struct gnDeviceCreateInfo {
+    gnPhysicalDevice physicalDevice;
+    uint32_t enabledExtensionCount;
+    const char** enabledExtensions;
+} gnDeviceCreateInfo;
+
+typedef struct gnDevice_t {
+    gnDeviceDispatchTable dispatchTable;
+    gnInstance instance;
+    void* internalData;
+} gnDevice_t;
+
+gnReturnCode gnCreateDevice(gnInstance instance, gnDeviceCreateInfo* createInfo, gnDevice* device);
+gnReturnCode gnDestroyDevice(gnDevice* device);

Gryphn/GryphnLoader/src/device/gryphn_physical_device.c

@@ -0,0 +1,11 @@
+#include "gryphn_physical_device.h"
+#include "instance/gryphn_instance.h"
+#include "stdint.h"
+
+gnReturnCode gnEnumeratePhysicalDevices(gnInstance instance, uint32_t* deviceCount, gnPhysicalDevice* devices) {
+    return instance->dispatchTable.enumeratePhysicalDevices(instance, deviceCount, devices);
+}
+
+gnReturnCode gnGetPhysicalDeviceProperties(gnPhysicalDevice device, gnPhysicalDeviceProperties* properties) {
+    return device->instance->dispatchTable.getPhysicalDeviceProperties(device, properties);
+}

Gryphn/GryphnLoader/src/device/gryphn_physical_device.h

@@ -0,0 +1,36 @@
+#pragma once
+#include "gryphn_handle.h"
+#include "gryphn_return_code.h"
+#include "stdint.h"
+#include "instance/gryphn_application_info.h"
+
+typedef enum gnPhysicalDeviceType {
+    GN_PHYSICAL_DEVICE_TYPE_CPU = 1,
+    GN_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU = 2,
+    GN_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU = 3,
+    GN_PHYSICAL_DEVICE_TYPE_EXTERNAL_GPU = 4,
+    GN_PHYSICAL_DEVICE_TYPE_VIRTUAL_GPU = 5,
+    GN_PHYSICAL_DEVICE_TYPE_OTHER = 6,
+} gnPhysicalDeviceType;
+
+// typedef struct gnPhysicalDeviceLimits {
+
+// } gnPhysicalDeviceLimits;
+
+typedef struct gnPhysicalDeviceProperties {
+    gnVersion apiVersion;
+    uint32_t vendorID;
+    uint32_t deviceID;
+    gnPhysicalDeviceType deviceType;
+    char deviceName[256];
+    // gnPhysicalDeviceLimits limits;
+} gnPhysicalDeviceProperties;
+
+typedef struct gnPhysicalDevice_t {
+    gnInstance instance;
+    void* internalData;
+} gnPhysicalDevice_t;
+
+gnReturnCode gnEnumeratePhysicalDevices(gnInstance instance, uint32_t* deviceCount, gnPhysicalDevice* devices);
+gnReturnCode gnGetPhysicalDeviceProperties(gnPhysicalDevice device, gnPhysicalDeviceProperties* properties);
+gnReturnCode gnDoesDeviceSupportSurface(gnPhysicalDevice device, gnSurface surface);

Gryphn/GryphnLoader/src/ext/device/swapchain/gryphn_swapchain.c

@@ -0,0 +1,10 @@
+#include "gryphn_swapchain.h"
+#include "gryphn_return_code.h"
+#include <device/gryphn_device.h>
+
+gnReturnCode gnCreateSwapchain(gnDevice device, gnSwapchainCreateInfo* createInfo, gnSwapchain* swapchain) {
+    return device->dispatchTable.createSwapchain(device, createInfo, swapchain);
+}
+gnReturnCode gnDestroySwapchain(gnDevice device, gnSwapchain* swapchain) {
+    return device->dispatchTable.destroySwapchain(device, swapchain);
+}

Gryphn/GryphnLoader/src/ext/device/swapchain/gryphn_swapchain.h

@@ -0,0 +1,20 @@
+#pragma once
+#include <gryphn_handle.h>
+#include "core/gryphn_format.h"
+#include "core/gryphn_present_mode.h"
+#include "core/gryphn_vec2d.h"
+#include "gryphn_return_code.h"
+#include "stdint.h"
+
+typedef struct gnSwapchainCreateInfo {
+    gnSurface surface;
+    uint32_t minImageCount;
+    gnFormat imageFormat;
+    gnColorSpace imageColorSpace;
+    gnExtent2D imageExtent;
+    uint32_t imageArrayLayers;
+    gnPresentMode presentMode;
+} gnSwapchainCreateInfo;
+
+gnReturnCode gnCreateSwapchain(gnDevice device, gnSwapchainCreateInfo* createInfo, gnSwapchain* swapchain);
+gnReturnCode gnDestroySwapchain(gnDevice device, gnSwapchain* swapchain);

Gryphn/GryphnLoader/src/ext/instance/surface/gryphn_metal_surface.c

@@ -0,0 +1,6 @@
+#include "gryphn_metal_surface.h"
+#include "instance/gryphn_instance.h"
+
+gnReturnCode gnCreateMetalSurface(gnInstance instance, gnMetalSurfaceCreateInfo* createInfo, gnSurface* surface) {
+    return instance->dispatchTable.createMetalSurface(instance, createInfo, surface);
+}

Gryphn/GryphnLoader/src/ext/instance/surface/gryphn_metal_surface.h

@@ -0,0 +1,11 @@
+#pragma once
+#ifdef GN_USE_SURFACE_COCOA
+#include "gryphn_handle.h"
+#include "gryphn_return_code.h"
+
+#import <QuartzCore/CAMetalLayer.h>
+typedef struct gnMetalSurfaceCreateInfo {
+    CAMetalLayer* metalLayer;
+} gnMetalSurfaceCreateInfo;
+gnReturnCode gnCreateMetalSurface(gnInstance instance, gnMetalSurfaceCreateInfo* createInfo, gnSurface* surface);
+#endif

Gryphn/GryphnLoader/src/ext/instance/surface/gryphn_surface.c

@@ -0,0 +1,18 @@
+#include "gryphn_surface.h"
+#include "instance/gryphn_instance.h"
+#include "device/gryphn_physical_device.h"
+
+gnReturnCode gnGetSurfaceCapabilities(gnPhysicalDevice device, gnSurface surface, gnSurfaceCapabilities* capabilities) {
+    return device->instance->dispatchTable.getSurfaceCapabilities(device, surface, capabilities);
+}
+
+gnReturnCode gnGetSurfaceFormats(gnPhysicalDevice device, gnSurface surface, uint32_t* formatCount, gnSurfaceFormat* formats) {
+    return device->instance->dispatchTable.getSurfaceFormats(device, surface, formatCount, formats);
+}
+gnReturnCode gnGetSurfacePresentModes(gnPhysicalDevice device, gnSurface surface, uint32_t* presentModeCount, gnPresentMode* presentModes) {
+    return device->instance->dispatchTable.getSurfacePresentModes(device, surface, presentModeCount, presentModes);
+}
+
+gnReturnCode gnDestroySurface(gnInstance instance, gnSurface* surface) {
+    return instance->dispatchTable.destroySurface(instance, surface);
+}

Gryphn/GryphnLoader/src/ext/instance/surface/gryphn_surface.h

@@ -0,0 +1,22 @@
+#pragma once
+#include "gryphn_metal_surface.h"
+#include "gryphn_xlib_surface.h"
+#include "gryphn_return_code.h"
+#include "gryphn_handle.h"
+#include "core/gryphn_vec2d.h"
+#include "core/gryphn_format.h"
+#include "core/gryphn_present_mode.h"
+
+typedef struct gnSurfaceCapabilities {
+    uint32_t minImageCount;
+    uint32_t maxImageCount;
+    gnExtent2D currentExtent;
+    gnExtent2D minImageExtent;
+    gnExtent2D maxImageExtent;
+    uint32_t maxImageArrayLayers;
+} gnSurfaceCapabilities;
+
+gnReturnCode gnGetSurfaceCapabilities(gnPhysicalDevice device, gnSurface surface, gnSurfaceCapabilities* capabilities);
+gnReturnCode gnGetSurfaceFormats(gnPhysicalDevice device, gnSurface surface, uint32_t* formatCount, gnSurfaceFormat* formats);
+gnReturnCode gnGetSurfacePresentModes(gnPhysicalDevice device, gnSurface surface, uint32_t* presentModeCount, gnPresentMode* presentModes);
+gnReturnCode gnDestroySurface(gnInstance instance, gnSurface* surface);

Gryphn/GryphnLoader/src/ext/instance/surface/gryphn_xlib_surface.c

@@ -0,0 +1,6 @@
+#include "gryphn_xlib_surface.h"
+#include "instance/gryphn_instance.h"
+
+gnReturnCode gnCreateXlibSurface(gnInstance instance, gnXlibSurfaceCreateInfo* createInfo, gnSurface* surface) {
+    return instance->dispatchTable.createXlibSurface(instance, createInfo, surface);
+}

Gryphn/GryphnLoader/src/ext/instance/surface/gryphn_xlib_surface.h

@@ -0,0 +1,13 @@
+#pragma once
+#ifdef GN_USE_SURFACE_XLIB
+#include "gryphn_handle.h"
+#include "gryphn_return_code.h"
+
+#include "X11/Xlib.h"
+typedef struct gnXlibSurfaceCreateInfo {
+    Display*                       dpy;
+    Window                         window;
+} gnXlibSurfaceCreateInfo;
+
+gnReturnCode gnCreateXlibSurface(gnInstance instance, gnXlibSurfaceCreateInfo* createInfo, gnSurface* surface);
+#endif

Gryphn/GryphnLoader/src/gryphn_handle.h

@@ -1,4 +1,10 @@
 #pragma once
 
 #define GN_HANDLE(type) typedef struct type##_t* type
+#define GN_IMPLEMENTATION_HANDLE(type) typedef void* type
+
 GN_HANDLE(gnInstance);
+GN_HANDLE(gnPhysicalDevice);
+GN_HANDLE(gnDevice);
+GN_IMPLEMENTATION_HANDLE(gnSurface);
+GN_IMPLEMENTATION_HANDLE(gnSwapchain);

Gryphn/GryphnLoader/src/gryphn_lib/gryphn_lib.h

@@ -1,9 +1,9 @@
 #pragma once
 
 typedef struct gnLib {
-#ifdef GN_PLATFORM_MACOS
+    #if defined(GN_PLATFORM_MACOS) || defined(GN_PLATFORM_LINUX)
         void* dylib;
-#endif
+    #endif
 } gnLib;
 
 gnLib gnLoadLib(const char* path);

Gryphn/GryphnLoader/src/gryphn_lib/gryphn_libunix.c

@@ -1,31 +1,23 @@
 #include "gryphn_lib.h"
-#ifdef GN_PLATFORM_MACOS
+#if defined(GN_PLATFORM_MACOS) || defined(GN_PLATFORM_LINUX)
 #include <dlfcn.h>
-#endif
-
 
 gnLib gnLoadLib(const char* path) {
-#ifdef GN_PLATFORM_MACOS
     gnLib lib;
     lib.dylib = dlopen(path, RTLD_NOW | RTLD_LOCAL);
     return lib;
-#endif
 }
 
 int gnLibValid(const gnLib* lib) {
-    #ifdef GN_PLATFORM_MACOS
     return lib->dylib != 0;
-    #endif
 }
 
 void* gnLoadLibFunction(const gnLib* lib, const char* function) {
-#ifdef GN_PLATFORM_MACOS
     return dlsym(lib->dylib, function);
-#endif
 }
 
 void gnCloseLib(const gnLib* lib) {
-#ifdef GN_PLATFORM_MACOS
     dlclose(lib->dylib);
-#endif
 }
+
+#endif

Gryphn/GryphnLoader/src/gryphn_return_code.h

@@ -1,6 +1,9 @@
 #pragma once
 
 typedef enum gnReturnCode {
-    GN_SUCCESS,
-    GN_FAILED_TO_FIND_LIBARY
+    GN_SUCCESS = 0,
+    GN_FAILED_TO_FIND_LIBARY = 1,
+    GN_UNSUPPORTED_BACKEND = 2,
+    GN_EXTENSION_NOT_PRESENT = 3,
+    GN_UNSUPPOTED_SURFACE
 } gnReturnCode;

Gryphn/GryphnLoader/src/instance/dispatch/gryphn_device_dispatch_table.h

@@ -0,0 +1,13 @@
+#pragma once
+#include "gryphn_handle.h"
+typedef struct gnSwapchainCreateInfo gnSwapchainCreateInfo;
+
+typedef gnReturnCode (*PFN_gnDestroyDevice)(gnDevice);
+typedef gnReturnCode (*PFN_gnCreateSwapchain)(gnDevice, gnSwapchainCreateInfo*, gnSwapchain*);
+typedef gnReturnCode (*PFN_gnDestroySwapchain)(gnDevice, gnSwapchain*);
+
+typedef struct gnDeviceDispatchTable {
+    PFN_gnDestroyDevice destroyDevice;
+    PFN_gnCreateSwapchain createSwapchain;
+    PFN_gnDestroySwapchain destroySwapchain;
+} gnDeviceDispatchTable;

Gryphn/GryphnLoader/src/instance/dispatch/gryphn_instance_dispatch_table.h

@@ -1,8 +1,33 @@
 #pragma once
 #include "gryphn_handle.h"
+#include "core/gryphn_format.h"
+#include "core/gryphn_present_mode.h"
+typedef struct gnMetalSurfaceCreateInfo gnMetalSurfaceCreateInfo;
+typedef struct gnXlibSurfaceCreateInfo gnXlibSurfaceCreateInfo;
+typedef struct gnSurfaceCapabilities gnSurfaceCapabilities;
+typedef struct gnPhysicalDeviceProperties gnPhysicalDeviceProperties;
+typedef struct gnDeviceCreateInfo gnDeviceCreateInfo;
 
+typedef gnReturnCode (*PFN_gnCreateMetalSurface)(gnInstance, gnMetalSurfaceCreateInfo*, gnSurface*);
+typedef gnReturnCode (*PFN_gnCreateXlibSurface)(gnInstance, gnXlibSurfaceCreateInfo*, gnSurface*);
+typedef gnReturnCode (*PFN_enumeratePhysicalDevices)(gnInstance, uint32_t*, gnPhysicalDevice*);
+typedef gnReturnCode (*PFN_gnGetPhysicalDeviceProperties)(gnPhysicalDevice, gnPhysicalDeviceProperties*);
+typedef gnReturnCode (*PFN_gnCreateDevice)(gnInstance, gnDeviceCreateInfo*, gnDevice);
+typedef gnReturnCode (*PFN_gnGetSurfaceFormats)(gnPhysicalDevice, gnSurface, uint32_t*, gnSurfaceFormat*);
+typedef gnReturnCode (*PFN_gnGetSurfacePresentModes)(gnPhysicalDevice, gnSurface, uint32_t*, gnPresentMode*);
+typedef gnReturnCode (*PFN_gnGetSurfaceCapabilities)(gnPhysicalDevice, gnSurface, gnSurfaceCapabilities*);
+typedef gnReturnCode (*PFN_gnDestroySurface)(gnInstance, gnSurface*);
 typedef gnReturnCode (*PFN_gnDestroyInstance)(gnInstance);
 
 typedef struct gnInstanceDispatchTable {
+    PFN_gnCreateMetalSurface createMetalSurface;
+    PFN_gnCreateXlibSurface createXlibSurface;
+    PFN_gnGetSurfaceCapabilities getSurfaceCapabilities;
+    PFN_gnGetSurfaceFormats getSurfaceFormats;
+    PFN_gnGetSurfacePresentModes getSurfacePresentModes;
+    PFN_gnDestroySurface destroySurface;
+    PFN_enumeratePhysicalDevices enumeratePhysicalDevices;
+    PFN_gnGetPhysicalDeviceProperties getPhysicalDeviceProperties;
+    PFN_gnCreateDevice createDevice;
     PFN_gnDestroyInstance destroyInstance;
 } gnInstanceDispatchTable;

Gryphn/GryphnLoader/src/instance/gryphn_application_info.h

@@ -8,5 +8,5 @@ typedef struct gnApplicationInfo {
     const char* applicationName;
     gnVersion applicationVersion;
     const char* engineName;
-    gnVersion enginnVersion;
+    gnVersion engineVersion;
 } gnApplicationInfo;

Gryphn/GryphnLoader/src/instance/gryphn_instance.c

@@ -1,6 +1,6 @@
+#include "gryphn_return_code.h"
 #include "gryphn_instance.h"
 #include "stdlib.h"
-#include "stdio.h"
 
 typedef gnReturnCode (*PFN_initBackend)(gnInstance, gnInstanceCreateInfo*);
 
@@ -11,10 +11,15 @@ gnReturnCode gnCreateInstance(gnInstance* newInstance, gnInstanceCreateInfo* cre
     if (createInfo->backend == GN_BACKEND_METAL) {
         instance->internalLib = gnLoadLib("bin/gryphn_metal.dylib");
         PFN_initBackend initBackend = (PFN_initBackend)gnLoadLibFunction(&instance->internalLib, "initBackend");
-        initBackend(instance, createInfo);
+        return initBackend(instance, createInfo);
+    }
+    if (createInfo->backend == GN_BACKEND_VULKAN) {
+        instance->internalLib = gnLoadLib("bin/gryphn_vulkan.so");
+        PFN_initBackend initBackend = (PFN_initBackend)gnLoadLibFunction(&instance->internalLib, "initBackend");
+        return initBackend(instance, createInfo);
     }
 
-    return GN_SUCCESS;
+    return GN_UNSUPPORTED_BACKEND;
 }
 gnReturnCode gnDestroyInstance(gnInstance* instance) {
     (*instance)->dispatchTable.destroyInstance(*instance);

Gryphn/apis/GryphnMetal/CMakeLists.txt

@@ -1,5 +1,6 @@
 file(GLOB_RECURSE METAL_SOURCES CONFIGURE_DEPENDS "src/*.m")
 add_library(gryphn_metal SHARED ${METAL_SOURCES})
+project(gryphn_metal LANGUAGES C CXX OBJC OBJCXX)
 set_target_properties(gryphn_metal PROPERTIES PREFIX "")
 target_link_libraries(gryphn_metal PRIVATE GryphnLoader)
 if(APPLE)

Gryphn/apis/GryphnMetal/src/extentions/metal_ext_surface.m

@@ -0,0 +1,58 @@
+#import <Metal/Metal.h>
+#include "../metal_functions.h"
+#include "core/gryphn_format.h"
+
+gnReturnCode metalCreateSurface(gnInstance instance, gnMetalSurfaceCreateInfo* createInfo, gnSurface* surface) {
+    *surface = createInfo->metalLayer;
+    return GN_SUCCESS;
+}
+
+gnReturnCode metalGetSurfaceCapabilities(gnPhysicalDevice device, gnSurface surface, gnSurfaceCapabilities* capabilities) {
+    CAMetalLayer* layer = surface;
+    capabilities->minImageCount = 2;
+    capabilities->maxImageCount = 3;
+
+    capabilities->currentExtent.width = (uint32_t)layer.drawableSize.width;
+    capabilities->currentExtent.height = (uint32_t)layer.drawableSize.height;
+
+    id<MTLDevice> mtlDevice = (id<MTLDevice>)device->internalData;
+    uint32_t maxTextureSize = 8192;
+    if ([mtlDevice respondsToSelector:@selector(supportsFamily:)]) {
+        if ([mtlDevice supportsFamily:MTLGPUFamilyApple1] ||
+            [mtlDevice supportsFamily:MTLGPUFamilyMac2]) {
+            maxTextureSize = 16384;
+        }
+    }
+
+    capabilities->minImageExtent = (gnExtent2D){ 1, 1 };
+    capabilities->maxImageExtent = (gnExtent2D){ maxTextureSize, maxTextureSize };
+
+    capabilities->maxImageArrayLayers = 1;
+
+    return GN_SUCCESS;
+}
+
+gnReturnCode metalGetSurfaceFormats(gnPhysicalDevice device, gnSurface surface, uint32_t* formatCount, gnSurfaceFormat* formats) {
+    gnSurfaceFormat supported[] = {
+        { GN_FORMAT_BGRA8_UNORM, GN_COLOR_SPACE_SRGB_NONLINEAR },
+        { GN_FORMAT_BGRA8_SRGB,  GN_COLOR_SPACE_SRGB_NONLINEAR },
+    };
+    if (formats == NULL) {
+        *formatCount = 2;
+        return GN_SUCCESS;
+    }
+
+    for (uint32_t i = 0; i < 2; i++) {
+        formats[i] = supported[i];
+    }
+
+    return GN_SUCCESS;
+}
+gnReturnCode metalGetSurfacePresentModes(gnPhysicalDevice device, gnSurface surface, uint32_t* presentModeCount, gnPresentMode* presentModes) {
+    return GN_SUCCESS;
+}
+
+gnReturnCode metalDestroySurface(gnInstance instance, gnSurface* surface) {
+    *surface = NULL;
+    return GN_SUCCESS;
+}

Gryphn/apis/GryphnMetal/src/metal.m

@@ -2,8 +2,9 @@
 #include "stdio.h"
 #include "instance/gryphn_instance.h"
 #include "gryphn_handle.h"
+#include "metal_functions.h"
 
-extern "C" uint32_t gnInternalIsApiSupported(gnVersion version) {
+uint32_t gnInternalIsApiSupported(gnVersion version) {
     if (version != gnCreateVersion(1, 0, 0)) return 0;
     id<MTLDevice> testDevice = MTLCreateSystemDefaultDevice();
     if (testDevice == nil)
@@ -13,12 +14,26 @@ extern "C" uint32_t gnInternalIsApiSupported(gnVersion version) {
 }
 
 gnReturnCode destroyBackend(gnInstance instance) {
-    printf("Calling destroy instance");
     return GN_SUCCESS;
 }
 
-extern "C" gnReturnCode initBackend(gnInstance instance, gnInstanceCreateInfo* info) {
-    printf("calling init instance\n");
+gnReturnCode initBackend(gnInstance instance, gnInstanceCreateInfo* info) {
     instance->dispatchTable.destroyInstance = destroyBackend;
+    instance->dispatchTable.enumeratePhysicalDevices = metalEnumeratePhysicalDevices;
+    instance->dispatchTable.getPhysicalDeviceProperties = metalGetPhysicalDeviceProperties;
+    instance->dispatchTable.createDevice = metalCreateDevice;
+
+    for (int i = 0; i < info->enabledExtensionCount; i++) {
+        if (strcmp(info->enabledExtensions[i], "GN_EXT_surface") == 0) {
+            instance->dispatchTable.destroySurface = metalDestroySurface;
+            instance->dispatchTable.getSurfaceCapabilities = metalGetSurfaceCapabilities;
+            instance->dispatchTable.getSurfaceFormats = metalGetSurfaceFormats;
+            instance->dispatchTable.getSurfacePresentModes = metalGetSurfacePresentModes;
+        }
+        if (strcmp(info->enabledExtensions[i], "GN_EXT_surface_cocoa") == 0) {
+            instance->dispatchTable.createMetalSurface = metalCreateSurface;
+        }
+    }
+
     return GN_SUCCESS;
 }

Gryphn/apis/GryphnMetal/src/metal_device.m

@@ -0,0 +1,73 @@
+#import "Metal/Metal.h"
+#include "metal_functions.h"
+#include "stdio.h"
+#include "stdint.h"
+#include "device/gryphn_physical_device.h"
+#include "device/gryphn_device.h"
+
+gnReturnCode metalEnumeratePhysicalDevices(gnInstance instance, uint32_t* deviceCount, gnPhysicalDevice* devices) {
+    NSArray<id<MTLDevice>>* mtlDevices = MTLCopyAllDevices();
+    uint32_t systemCount = (uint32_t)[mtlDevices count];
+    *deviceCount = systemCount;
+
+    if (devices == NULL)
+        return GN_SUCCESS;
+    for (uint32_t i = 0; i < *deviceCount; i++) {
+        devices[i] = (gnPhysicalDevice)malloc(sizeof(gnPhysicalDevice_t));
+        devices[i]->instance = instance;
+        devices[i]->internalData = mtlDevices[i];
+    }
+    return GN_SUCCESS;
+}
+
+gnReturnCode metalGetPhysicalDeviceProperties(gnPhysicalDevice device, gnPhysicalDeviceProperties* properties) {
+    id<MTLDevice> mtlDevice = (id<MTLDevice>)device->internalData;
+
+    properties->apiVersion = gnCreateVersion(1, 0, 0);
+
+    if ([[mtlDevice name] containsString:@"Apple"]) {
+        properties->vendorID = 0x106B;
+    } else if ([[mtlDevice name] containsString:@"Intel"]) {
+        properties->vendorID = 0x8086;
+    } else if ([[mtlDevice name] containsString:@"AMD"] || [[mtlDevice name] containsString:@"Radeon"]) {
+        properties->vendorID = 0x1002;
+    } else {
+        properties->vendorID = 0;
+    }
+
+    if (@available(macOS 10.13, *)) {
+        properties->deviceID = (uint32_t)[mtlDevice registryID];
+    } else {
+        properties->deviceID = 0;
+    }
+
+    if ([mtlDevice isRemovable])
+        properties->deviceType = GN_PHYSICAL_DEVICE_TYPE_EXTERNAL_GPU;
+    else if ([mtlDevice isLowPower])
+        properties->deviceType = GN_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU;
+    else if (![mtlDevice isLowPower] && ![mtlDevice hasUnifiedMemory])
+        properties->deviceType = GN_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU;
+    else
+        properties->deviceType = GN_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU;
+
+    const char* rawName = [[mtlDevice name] UTF8String];
+    strncpy(properties->deviceName, rawName, 255);
+    properties->deviceName[255] = '\0';
+    return GN_SUCCESS;
+}
+
+gnReturnCode metalCreateDevice(gnInstance instance, gnDeviceCreateInfo* createInfo, gnDevice device) {
+    device->dispatchTable.destroyDevice = metalDestroyDevice;
+    device->internalData = createInfo->physicalDevice->internalData;
+    for (int i = 0; i < createInfo->enabledExtensionCount; i++) {
+        if (strcmp(createInfo->enabledExtensions[i], "GN_EXT_swapchain") == 0) {
+
+        }
+    }
+    return GN_SUCCESS;
+}
+
+gnReturnCode metalDestroyDevice(gnDevice device) {
+    device->internalData = NULL;
+    return GN_SUCCESS;
+}

Gryphn/apis/GryphnMetal/src/metal_functions.h

@@ -0,0 +1,19 @@
+#pragma once
+#define GN_CA_METAL_LAYER
+#import <QuartzCore/CAMetalLayer.h>
+#include "gryphn_handle.h"
+#include "gryphn_return_code.h"
+#include "stdint.h"
+#include "device/gryphn_physical_device.h"
+#include "device/gryphn_device.h"
+#include "ext/instance/surface/gryphn_surface.h"
+
+gnReturnCode metalEnumeratePhysicalDevices(gnInstance instance, uint32_t* deviceCount, gnPhysicalDevice* devices);
+gnReturnCode metalGetPhysicalDeviceProperties(gnPhysicalDevice device, gnPhysicalDeviceProperties* properties);
+gnReturnCode metalCreateDevice(gnInstance instance, gnDeviceCreateInfo* createInfo, gnDevice device);
+gnReturnCode metalDestroyDevice(gnDevice device);
+gnReturnCode metalCreateSurface(gnInstance instance, gnMetalSurfaceCreateInfo* createInfo, gnSurface* surface);
+gnReturnCode metalGetSurfaceCapabilities(gnPhysicalDevice device, gnSurface surface, gnSurfaceCapabilities* capabilities);
+gnReturnCode metalGetSurfaceFormats(gnPhysicalDevice device, gnSurface surface, uint32_t* formatCount, gnSurfaceFormat* formats);
+gnReturnCode metalGetSurfacePresentModes(gnPhysicalDevice device, gnSurface surface, uint32_t* presentModeCount, gnPresentMode* presentModes);
+gnReturnCode metalDestroySurface(gnInstance instance, gnSurface* surface);

Gryphn/apis/GryphnVulkan/CMakeLists.txt

@@ -0,0 +1,5 @@
+file(GLOB_RECURSE VULKAN_SOURCES CONFIGURE_DEPENDS "src/*.c")
+add_library(gryphn_vulkan SHARED ${VULKAN_SOURCES})
+project(gryphn_vulkan LANGUAGES C)
+set_target_properties(gryphn_vulkan PROPERTIES PREFIX "")
+target_link_libraries(gryphn_vulkan PRIVATE GryphnLoader vulkan)

Gryphn/apis/GryphnVulkan/src/extensions/vulkan_ext_surface.c

@@ -0,0 +1,99 @@
+#include "core/gryphn_format.h"
+#include "core/gryphn_present_mode.h"
+#include "gryphn_return_code.h"
+#include "../vulkan_functions.h"
+#include <vulkan/vulkan_core.h>
+#include "instance/gryphn_instance.h"
+#include "ext/instance/surface/gryphn_surface.h"
+#include "../vulkan_helpers.h"
+#include "stdlib.h"
+#include <stdio.h>
+#ifdef GN_USE_SURFACE_XLIB
+#include <vulkan/vulkan_xlib.h>
+#endif
+
+gnReturnCode vulkanCreateXlibSurface(gnInstance instance, gnXlibSurfaceCreateInfo* info, gnSurface* surface) {
+    #ifdef GN_USE_SURFACE_XLIB
+    VkXlibSurfaceCreateInfoKHR createInfo = {
+        .sType = VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR,
+        .pNext = 0,
+        .flags = 0,
+        .dpy = info->dpy,
+        .window = info->window
+    };
+    return vulkanCodeToGryphnCode(vkCreateXlibSurfaceKHR(instance->internalData, &createInfo, NULL, (VkSurfaceKHR*)surface));
+    #else
+    return GN_SUCCESS;
+    #endif
+}
+gnReturnCode vulkanGetSurfaceCapabilities(gnPhysicalDevice device, gnSurface surface, gnSurfaceCapabilities* capabilities) {
+    VkSurfaceCapabilitiesKHR vulkanCapabilities;
+    VkResult result = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(device->internalData, surface, &vulkanCapabilities);
+    *capabilities = (gnSurfaceCapabilities){
+        .minImageCount = vulkanCapabilities.minImageCount,
+        .maxImageCount = vulkanCapabilities.maxImageCount,
+        .currentExtent = { vulkanCapabilities.currentExtent.width, vulkanCapabilities.currentExtent.height },
+        .minImageExtent = { vulkanCapabilities.maxImageExtent.width, vulkanCapabilities.maxImageExtent.height },
+        .maxImageExtent = { vulkanCapabilities.maxImageExtent.width, vulkanCapabilities.maxImageExtent.height },
+        .maxImageArrayLayers = vulkanCapabilities.maxImageArrayLayers
+    };
+    return vulkanCodeToGryphnCode(result);
+}
+gnReturnCode vulkanGetSurfaceFormats(gnPhysicalDevice device, gnSurface surface, uint32_t* formatCount, gnSurfaceFormat* formats) {
+    *formatCount = 0;
+    uint32_t internal_formatCout;
+    gnReturnCode result = vulkanCodeToGryphnCode(vkGetPhysicalDeviceSurfaceFormatsKHR(device->internalData, surface, &internal_formatCout, NULL));
+    if (result != GN_SUCCESS) {
+        *formatCount = internal_formatCout;
+        return result;
+    }
+    VkSurfaceFormatKHR* internal_formats = malloc(sizeof(VkSurfaceFormatKHR) * internal_formatCout);
+    result = vulkanCodeToGryphnCode(vkGetPhysicalDeviceSurfaceFormatsKHR(device->internalData, surface, &internal_formatCout, internal_formats));
+    if (result != GN_SUCCESS) {
+        free(internal_formats);
+        *formatCount = internal_formatCout;
+        return result;
+    }
+    for (int i = 0; i < internal_formatCout; i++) {
+        gnSurfaceFormat format = {
+            .format = vulkanFormatToGryphnFormat(internal_formats[i].format),
+            .colorSpace = vulkanColorSpaceToGryphnColorSpace(internal_formats[i].colorSpace)
+        };
+        if ((format.format == GN_FORMAT_UNDEFINED && internal_formats[i].format != VK_FORMAT_UNDEFINED) || format.colorSpace == GN_COLOR_SPACE_UNKNOWN)
+            continue;
+        if (formats != NULL)
+            formats[*formatCount] = format;
+        (*formatCount)++;
+    }
+    free(internal_formats);
+    return GN_SUCCESS;
+}
+gnReturnCode vulkanGetSurfacePresentModes(gnPhysicalDevice device, gnSurface surface, uint32_t* presentModeCount, gnPresentMode* presentModes) {
+    *presentModeCount = 0;
+    uint32_t internal_presentModeCount;
+    gnReturnCode result = vulkanCodeToGryphnCode(vkGetPhysicalDeviceSurfacePresentModesKHR(device->internalData, surface, &internal_presentModeCount, NULL));
+    if (result != GN_SUCCESS) {
+        *presentModeCount = internal_presentModeCount;
+        return result;
+    }
+    VkPresentModeKHR* internal_presentModes = malloc(sizeof(VkPresentModeKHR) * internal_presentModeCount);
+    result = vulkanCodeToGryphnCode(vkGetPhysicalDeviceSurfacePresentModesKHR(device->internalData, surface, &internal_presentModeCount, NULL));
+    if (result != GN_SUCCESS) {
+        free(internal_presentModes);
+        *presentModeCount = internal_presentModeCount;
+        return result;
+    }
+    for (int i = 0; i < internal_presentModeCount; i++) {
+        gnPresentMode mode = vulkanPresentModeToGryphnPresentMode(internal_presentModes[i]);
+        if (mode == GN_PRESENT_MODE_UNKNOWN) continue;
+        if (presentModes != NULL)
+            presentModes[*presentModeCount] = mode;
+        (*presentModeCount)++;
+    }
+    free(internal_presentModes);
+    return GN_SUCCESS;
+}
+gnReturnCode vulkanDestroySurface(gnInstance instance, gnSurface* surface) {
+    vkDestroySurfaceKHR(instance->internalData, *surface, NULL);
+    return GN_SUCCESS;
+}

Gryphn/apis/GryphnVulkan/src/extensions/vulkan_ext_swapchain.c

@@ -0,0 +1,61 @@
+#include "../vulkan_functions.h"
+#include "gryphn_handle.h"
+#include "gryphn_return_code.h"
+#include "ext/device/swapchain/gryphn_swapchain.h"
+#include "../vulkan_helpers.h"
+#include "../vulkan_device.h"
+#include <vulkan/vulkan_core.h>
+
+typedef struct vulkanSwapchain {
+    uint32_t presentQueueIndex;
+    VkQueue presentQueue;
+} vulkanSwapchain;
+
+gnReturnCode vulkanCreateSwapchain(gnDevice device, gnSwapchainCreateInfo* info, gnSwapchain* swapchain) {
+    uint32_t presentQueueIndex;
+    VkBool32 presentSupport = VK_FALSE;
+    for (int i = 0; i < ((vulkanDevice*)device->internalData)->queueCount; i++) {
+        vkGetPhysicalDeviceSurfaceSupportKHR(((vulkanDevice*)device->internalData)->physicalDevice, i, info->surface, &presentSupport);
+        if (presentSupport == VK_TRUE) {
+            presentQueueIndex = i;
+            break;
+        }
+    }
+    if (presentSupport == VK_FALSE) return GN_UNSUPPOTED_SURFACE;
+
+    VkSurfaceCapabilitiesKHR capabilities;
+    vkGetPhysicalDeviceSurfaceCapabilitiesKHR(((vulkanDevice*)device->internalData)->physicalDevice, info->surface, &capabilities);
+
+    VkSwapchainCreateInfoKHR createInfo = {
+        .sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR,
+        .pNext = NULL,
+        .flags = 0,
+        .surface = info->surface,
+        .minImageCount = info->minImageCount,
+        .imageFormat = gryphnFormatToVulkanFormat(info->imageFormat),
+        .imageColorSpace = gryphnColorSpaceToVulkanColorSpace(info->imageColorSpace),
+        .imageExtent = { info->imageExtent.width, info->imageExtent.height },
+        .imageArrayLayers = info->imageArrayLayers,
+        .imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
+        .imageSharingMode = VK_SHARING_MODE_EXCLUSIVE,
+        .queueFamilyIndexCount = 0,
+        .pQueueFamilyIndices = NULL,
+        .preTransform = capabilities.currentTransform,
+        .compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR,
+        .presentMode = gryphnPresentModeToVulkanPresentMode(info->presentMode),
+        .clipped = VK_TRUE,
+        .oldSwapchain = NULL,
+    };
+
+    if (((vulkanDevice*)device->internalData)->graphicsQueueIndex != presentQueueIndex) {
+        createInfo.imageSharingMode = VK_SHARING_MODE_CONCURRENT;
+        createInfo.queueFamilyIndexCount = 2;
+        createInfo.pQueueFamilyIndices = (uint32_t[]){((vulkanDevice*)device->internalData)->graphicsQueueIndex, presentQueueIndex};
+    }
+
+    return vulkanCodeToGryphnCode(vkCreateSwapchainKHR(((vulkanDevice*)device->internalData)->device, &createInfo, NULL, (VkSwapchainKHR*)swapchain));
+}
+gnReturnCode vulkanDestroySwapchain(gnDevice device, gnSwapchain* swapchain) {
+    vkDestroySwapchainKHR(((vulkanDevice*)device->internalData)->device, *((VkSwapchainKHR*)swapchain), NULL);
+    return GN_SUCCESS;
+}

Gryphn/apis/GryphnVulkan/src/vulkan.c

@@ -0,0 +1,88 @@
+#include "instance/gryphn_instance.h"
+#include "gryphn_handle.h"
+#include "stdlib.h"
+#include <vulkan/vulkan_core.h>
+#include "vulkan_functions.h"
+#include "vulkan_helpers.h"
+#include "string.h"
+
+uint32_t gnInternalIsApiSupported(gnVersion gryphnVersion) {
+    if (gryphnVersion != gnCreateVersion(1, 0, 0)) return 0;
+
+    VkApplicationInfo appInfo = {
+        .sType = VK_STRUCTURE_TYPE_APPLICATION_INFO,
+        .pApplicationName = "Gryphn Vulkan Test",
+        .applicationVersion = VK_MAKE_VERSION(1, 0, 0),
+        .pEngineName = "Gryphn Vulkan Test",
+        .engineVersion = VK_MAKE_VERSION(1, 0, 0),
+        .apiVersion = VK_API_VERSION_1_0
+    };
+
+    VkInstanceCreateInfo createInfo = {
+        .sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
+        .pApplicationInfo = &appInfo
+    };
+
+    VkInstance instance;
+    VkResult result = vkCreateInstance(&createInfo, NULL, &instance);
+    if (result != VK_SUCCESS)
+        return 0;
+    vkDestroyInstance(instance, NULL);
+    return 1;
+}
+
+gnReturnCode destroyBackend(gnInstance instance) {
+    vkDestroyInstance(instance->internalData, NULL);
+    return GN_SUCCESS;
+}
+
+gnReturnCode initBackend(gnInstance instance, gnInstanceCreateInfo* info) {
+    VkApplicationInfo applicationInfo = {
+        .sType = VK_STRUCTURE_TYPE_APPLICATION_INFO,
+        .pNext = NULL,
+        .pApplicationName = info->info.applicationName,
+        .applicationVersion = info->info.applicationVersion,
+        .pEngineName = info->info.engineName,
+        .engineVersion = info->info.engineVersion,
+        .apiVersion = VK_API_VERSION_1_0
+    };
+
+
+    const char** extensions = malloc(sizeof(const char*) * info->enabledExtensionCount);
+    int realEnabledExtensionCount = 0;
+    for (int i = 0; i < info->enabledExtensionCount; i++) {
+        if (strcmp(info->enabledExtensions[i], "GN_EXT_surface") == 0) {
+            extensions[realEnabledExtensionCount] = "VK_KHR_surface";
+            realEnabledExtensionCount++;
+            instance->dispatchTable.destroySurface = vulkanDestroySurface;
+            instance->dispatchTable.getSurfaceCapabilities = vulkanGetSurfaceCapabilities;
+            instance->dispatchTable.getSurfaceFormats = vulkanGetSurfaceFormats;
+            instance->dispatchTable.getSurfacePresentModes = vulkanGetSurfacePresentModes;
+        }
+        if (strcmp(info->enabledExtensions[i], "GN_EXT_surface_xlib") == 0) {
+            extensions[realEnabledExtensionCount] = "VK_KHR_xlib_surface";
+            realEnabledExtensionCount++;
+            instance->dispatchTable.createXlibSurface = vulkanCreateXlibSurface;
+        }
+    }
+    VkInstanceCreateInfo createInfo = {
+        .sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
+        .pNext = NULL,
+        .flags = 0,
+        .pApplicationInfo = &applicationInfo,
+        .enabledLayerCount = 0,
+        .ppEnabledLayerNames = NULL,
+        .enabledExtensionCount = realEnabledExtensionCount,
+        .ppEnabledExtensionNames = extensions,
+    };
+
+    instance->dispatchTable.destroyInstance = destroyBackend;
+    instance->dispatchTable.enumeratePhysicalDevices = vulkanEnumeratePhysicalDevices;
+    instance->dispatchTable.getPhysicalDeviceProperties = vulkanGetPhysicalDeviceProperties;
+    instance->dispatchTable.createDevice = vulkanCreateDevice;
+
+    VkInstance vulkanInstance;
+    VkResult result = vkCreateInstance(&createInfo, NULL, &vulkanInstance);
+    instance->internalData = vulkanInstance;
+    return vulkanCodeToGryphnCode(result);
+}

Gryphn/apis/GryphnVulkan/src/vulkan_device.c

@@ -0,0 +1,129 @@
+#include "stdlib.h"
+#include "gryphn_return_code.h"
+#include "vulkan_functions.h"
+#include "vulkan_helpers.h"
+#include "instance/gryphn_instance.h"
+#include "device/gryphn_physical_device.h"
+#include <string.h>
+#include <stdio.h>
+#include <vulkan/vulkan_core.h>
+#include "vulkan_device.h"
+
+gnPhysicalDeviceType vulkanDeviceTypeToGryphnDeviceType(VkPhysicalDeviceType type) {
+    switch (type) {
+        case VK_PHYSICAL_DEVICE_TYPE_OTHER: return GN_PHYSICAL_DEVICE_TYPE_OTHER;
+        case VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU: return GN_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU;
+        case VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU: return GN_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU;
+        case VK_PHYSICAL_DEVICE_TYPE_VIRTUAL_GPU: return GN_PHYSICAL_DEVICE_TYPE_VIRTUAL_GPU;
+        case VK_PHYSICAL_DEVICE_TYPE_CPU: return GN_PHYSICAL_DEVICE_TYPE_CPU;
+        case VK_PHYSICAL_DEVICE_TYPE_MAX_ENUM: return GN_PHYSICAL_DEVICE_TYPE_OTHER;
+    }
+}
+
+gnReturnCode vulkanEnumeratePhysicalDevices(gnInstance instance, uint32_t* deviceCount, gnPhysicalDevice* devices) {
+    if (devices == NULL) {
+        vkEnumeratePhysicalDevices(instance->internalData, deviceCount, NULL);
+        return GN_SUCCESS;
+    }
+
+    VkPhysicalDevice* vulkanDevices = malloc(sizeof(VkPhysicalDevice) * (*deviceCount));
+    VkResult result = vkEnumeratePhysicalDevices(instance->internalData, deviceCount, vulkanDevices);
+
+    if (result != VK_SUCCESS) {
+        free(vulkanDevices);
+        return vulkanCodeToGryphnCode(result);
+    }
+
+    for (uint32_t i = 0; i < *deviceCount; i++) {
+        devices[i] = malloc(sizeof(gnPhysicalDevice_t));
+        devices[i]->instance = instance;
+        devices[i]->internalData = vulkanDevices[i];
+    }
+
+    free(vulkanDevices);
+    return GN_SUCCESS;
+}
+
+gnReturnCode vulkanGetPhysicalDeviceProperties(gnPhysicalDevice device, gnPhysicalDeviceProperties* properties) {
+    VkPhysicalDeviceProperties deviceProperties;
+    vkGetPhysicalDeviceProperties(device->internalData, &deviceProperties);
+
+    *properties = (gnPhysicalDeviceProperties){
+        .apiVersion = deviceProperties.apiVersion,
+        .vendorID = deviceProperties.vendorID,
+        .deviceID = deviceProperties.deviceID,
+        .deviceType = vulkanDeviceTypeToGryphnDeviceType(deviceProperties.deviceType),
+    };
+    strcpy(properties->deviceName, deviceProperties.deviceName);
+    return GN_SUCCESS;
+}
+
+gnReturnCode vulkanCreateDevice(gnInstance instance, gnDeviceCreateInfo* info, gnDevice device) {
+    // create a list of the vulkan extentions to enable from gryphn extententions
+    const char** extensions = malloc(sizeof(const char*) * info->enabledExtensionCount);
+    int realEnabledExtensionCount = 0;
+    for (int i = 0; i < info->enabledExtensionCount; i++) {
+        if (strcmp(info->enabledExtensions[i], "GN_EXT_swapchain") == 0) {
+            extensions[realEnabledExtensionCount] = VK_KHR_SWAPCHAIN_EXTENSION_NAME;
+            realEnabledExtensionCount++;
+            device->dispatchTable.createSwapchain = vulkanCreateSwapchain;
+            device->dispatchTable.destroySwapchain = vulkanDestroySwapchain;
+        }
+    }
+
+    uint32_t queueFamilyCount = 0;
+    vkGetPhysicalDeviceQueueFamilyProperties(info->physicalDevice->internalData, &queueFamilyCount, NULL);
+    VkQueueFamilyProperties* queueFamilyProperties = malloc(sizeof(VkQueueFamilyProperties) * queueFamilyCount);
+    vkGetPhysicalDeviceQueueFamilyProperties(info->physicalDevice->internalData, &queueFamilyCount, queueFamilyProperties);
+
+    VkDeviceQueueCreateInfo* queueCreateInfos = malloc(sizeof(VkDeviceQueueCreateInfo) * queueFamilyCount);
+    for (int i = 0; i < queueFamilyCount; i++) {
+        queueCreateInfos[i] = (VkDeviceQueueCreateInfo){
+            .sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
+            .pNext = NULL,
+            .flags = 0,
+            .queueFamilyIndex = i,
+            .queueCount = 1,
+            .pQueuePriorities = (float[]){ 1.0f }
+        };
+    }
+
+    VkPhysicalDeviceFeatures deviceFeatures = {
+
+    };
+
+    VkDeviceCreateInfo createInfo = {
+        .sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
+        .pNext = NULL,
+        .flags = 0,
+        .queueCreateInfoCount = queueFamilyCount,
+        .pQueueCreateInfos = queueCreateInfos,
+        .enabledExtensionCount = realEnabledExtensionCount,
+        .ppEnabledExtensionNames = extensions,
+        .pEnabledFeatures = &deviceFeatures,
+    };
+
+    VkDevice vkDevice;
+    VkResult result = vkCreateDevice(info->physicalDevice->internalData, &createInfo, NULL, &vkDevice);
+    device->internalData = malloc(sizeof(vulkanDevice));
+    ((vulkanDevice*)device->internalData)->device = vkDevice;
+    ((vulkanDevice*)device->internalData)->physicalDevice = info->physicalDevice->internalData;
+    ((vulkanDevice*)device->internalData)->queueCount = queueFamilyCount;
+
+    for (int i = 0; i < queueFamilyCount; i++) {
+        if ((queueFamilyProperties[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) == VK_QUEUE_GRAPHICS_BIT) {
+            ((vulkanDevice*)device->internalData)->graphicsQueueIndex = i;
+            vkGetDeviceQueue(vkDevice, i, 0, &((vulkanDevice*)device->internalData)->graphicsQueue);
+            break;
+        }
+    }
+
+    device->dispatchTable.destroyDevice = vulkanDestroyDevice;
+    free(extensions);
+    return vulkanCodeToGryphnCode(result);
+}
+gnReturnCode vulkanDestroyDevice(gnDevice device) {
+    vkDestroyDevice(((vulkanDevice*)device->internalData)->device, NULL);
+    free(device->internalData);
+    return GN_SUCCESS;
+}

Gryphn/apis/GryphnVulkan/src/vulkan_device.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include <vulkan/vulkan_core.h>
+typedef struct vulkanDevice {
+    VkDevice device;
+    VkPhysicalDevice physicalDevice;
+
+    uint32_t queueCount;
+    uint32_t graphicsQueueIndex;
+    VkQueue graphicsQueue;
+} vulkanDevice;

Gryphn/apis/GryphnVulkan/src/vulkan_functions.h

@@ -0,0 +1,19 @@
+#pragma once
+#include "stdint.h"
+#include "gryphn_handle.h"
+#include "gryphn_return_code.h"
+#include "device/gryphn_physical_device.h"
+#include "device/gryphn_device.h"
+#include "dispatch/gryphn_instance_dispatch_table.h"
+
+gnReturnCode vulkanEnumeratePhysicalDevices(gnInstance instance, uint32_t* deviceCount, gnPhysicalDevice* devices);
+gnReturnCode vulkanGetPhysicalDeviceProperties(gnPhysicalDevice device, gnPhysicalDeviceProperties* properties);
+gnReturnCode vulkanCreateDevice(gnInstance instance, gnDeviceCreateInfo* createInfo, gnDevice device);
+gnReturnCode vulkanDestroyDevice(gnDevice device);
+gnReturnCode vulkanCreateXlibSurface(gnInstance instance, gnXlibSurfaceCreateInfo* createInfo, gnSurface* surface);
+gnReturnCode vulkanGetSurfaceCapabilities(gnPhysicalDevice device, gnSurface surface, gnSurfaceCapabilities* capabilities);
+gnReturnCode vulkanGetSurfaceFormats(gnPhysicalDevice device, gnSurface surface, uint32_t* formatCount, gnSurfaceFormat* formats);
+gnReturnCode vulkanGetSurfacePresentModes(gnPhysicalDevice device, gnSurface surface, uint32_t* presentModeCount, gnPresentMode* presentModes);
+gnReturnCode vulkanDestroySurface(gnInstance instance, gnSurface* surface);
+gnReturnCode vulkanCreateSwapchain(gnDevice device, gnSwapchainCreateInfo* createInfo, gnSwapchain* swapchain);
+gnReturnCode vulkanDestroySwapchain(gnDevice device, gnSwapchain* swapchain);

Gryphn/apis/GryphnVulkan/src/vulkan_helpers.c

@@ -0,0 +1,89 @@
+#include "vulkan_helpers.h"
+#include "core/gryphn_format.h"
+#include "core/gryphn_present_mode.h"
+#include "gryphn_return_code.h"
+#include "stdio.h"
+#include <vulkan/vulkan_core.h>
+
+gnReturnCode vulkanCodeToGryphnCode(VkResult result) {
+    switch(result) {
+        default: {
+            printf("Unknown instance fail mr gregory please diagnose this: %d\n", result);
+            return GN_UNSUPPORTED_BACKEND;
+        }
+        case VK_SUCCESS: return GN_SUCCESS;
+        case VK_ERROR_EXTENSION_NOT_PRESENT: return GN_EXTENSION_NOT_PRESENT;
+    }
+}
+
+gnFormat vulkanFormatToGryphnFormat(VkFormat format) {
+    switch (format) {
+        case VK_FORMAT_UNDEFINED: return GN_FORMAT_UNDEFINED;
+        case VK_FORMAT_R8G8B8A8_UNORM: return GN_FORMAT_RGBA8_UNORM;
+        case VK_FORMAT_R8G8B8A8_SNORM: return GN_FORMAT_RGBA8_SNORM;
+        case VK_FORMAT_R8G8B8A8_USCALED: return GN_FORMAT_RGBA8_USCALED;
+        case VK_FORMAT_R8G8B8A8_SSCALED: return GN_FORMAT_RGBA8_SSCALED;
+        case VK_FORMAT_R8G8B8A8_UINT: return GN_FORMAT_RGBA8_UINT;
+        case VK_FORMAT_R8G8B8A8_SINT: return GN_FORMAT_RGBA8_SINT;
+        case VK_FORMAT_R8G8B8A8_SRGB: return GN_FORMAT_RGBA8_SRGB;
+
+        case VK_FORMAT_B8G8R8A8_UNORM: return GN_FORMAT_BGRA8_UNORM;
+        case VK_FORMAT_B8G8R8A8_SNORM: return GN_FORMAT_BGRA8_SNORM;
+        case VK_FORMAT_B8G8R8A8_USCALED: return GN_FORMAT_BGRA8_USCALED;
+        case VK_FORMAT_B8G8R8A8_SSCALED: return GN_FORMAT_BGRA8_SSCALED;
+        case VK_FORMAT_B8G8R8A8_UINT: return GN_FORMAT_BGRA8_UINT;
+        case VK_FORMAT_B8G8R8A8_SINT: return GN_FORMAT_BGRA8_SINT;
+        case VK_FORMAT_B8G8R8A8_SRGB: return GN_FORMAT_BGRA8_SRGB;
+        default: return GN_FORMAT_UNDEFINED;
+    }
+}
+gnColorSpace vulkanColorSpaceToGryphnColorSpace(VkColorSpaceKHR colorSpace) {
+    switch (colorSpace) {
+        case VK_COLOR_SPACE_SRGB_NONLINEAR_KHR: return GN_COLOR_SPACE_SRGB_NONLINEAR;
+        default: return GN_COLOR_SPACE_UNKNOWN;
+    }
+}
+gnPresentMode vulkanPresentModeToGryphnPresentMode(VkPresentModeKHR presentMode) {
+    switch (presentMode) {
+        case VK_PRESENT_MODE_IMMEDIATE_KHR: return GN_PRESENT_MODE_IMMEDIATE;
+        case VK_PRESENT_MODE_MAILBOX_KHR: return GN_PRESENT_MODE_MAILBOX;
+        case VK_PRESENT_MODE_FIFO_KHR: return GN_PRESENT_MODE_FIFO;
+        case VK_PRESENT_MODE_FIFO_RELAXED_KHR: return GN_PRESENT_MODE_FIFO_RELAXED;
+        default: return GN_PRESENT_MODE_UNKNOWN;
+    }
+}
+
+VkFormat gryphnFormatToVulkanFormat(gnFormat format) {
+    switch (format) {
+        case GN_FORMAT_UNDEFINED:     return VK_FORMAT_UNDEFINED;
+        case GN_FORMAT_RGBA8_UNORM:   return VK_FORMAT_R8G8B8A8_UNORM;
+        case GN_FORMAT_RGBA8_SNORM:   return VK_FORMAT_R8G8B8A8_SNORM;
+        case GN_FORMAT_RGBA8_USCALED: return VK_FORMAT_R8G8B8A8_USCALED;
+        case GN_FORMAT_RGBA8_SSCALED: return VK_FORMAT_R8G8B8A8_SSCALED;
+        case GN_FORMAT_RGBA8_UINT:    return VK_FORMAT_R8G8B8A8_UINT;
+        case GN_FORMAT_RGBA8_SINT:    return VK_FORMAT_R8G8B8A8_SINT;
+        case GN_FORMAT_RGBA8_SRGB:    return VK_FORMAT_R8G8B8A8_SRGB;
+        case GN_FORMAT_BGRA8_UNORM:   return VK_FORMAT_B8G8R8A8_UNORM;
+        case GN_FORMAT_BGRA8_SNORM:   return VK_FORMAT_B8G8R8A8_SNORM;
+        case GN_FORMAT_BGRA8_USCALED: return VK_FORMAT_B8G8R8A8_USCALED;
+        case GN_FORMAT_BGRA8_SSCALED: return VK_FORMAT_B8G8R8A8_SSCALED;
+        case GN_FORMAT_BGRA8_UINT:    return VK_FORMAT_B8G8R8A8_UINT;
+        case GN_FORMAT_BGRA8_SINT:    return VK_FORMAT_B8G8R8A8_SINT;
+        case GN_FORMAT_BGRA8_SRGB:    return VK_FORMAT_B8G8R8A8_SRGB;
+    }
+}
+VkColorSpaceKHR gryphnColorSpaceToVulkanColorSpace(gnColorSpace colorSpace) {
+    switch (colorSpace) {
+        case GN_COLOR_SPACE_SRGB_NONLINEAR: return VK_COLOR_SPACE_SRGB_NONLINEAR_KHR;
+        case GN_COLOR_SPACE_UNKNOWN: return VK_COLOR_SPACE_MAX_ENUM_KHR;
+    }
+}
+VkPresentModeKHR gryphnPresentModeToVulkanPresentMode(gnPresentMode presentMode) {
+    switch (presentMode) {
+        case GN_PRESENT_MODE_IMMEDIATE:    return VK_PRESENT_MODE_IMMEDIATE_KHR;
+        case GN_PRESENT_MODE_MAILBOX:      return VK_PRESENT_MODE_MAILBOX_KHR;
+        case GN_PRESENT_MODE_FIFO:         return VK_PRESENT_MODE_FIFO_KHR;
+        case GN_PRESENT_MODE_FIFO_RELAXED: return VK_PRESENT_MODE_FIFO_RELAXED_KHR;
+        case GN_PRESENT_MODE_UNKNOWN:      return VK_PRESENT_MODE_MAX_ENUM_KHR;
+    }
+}

Gryphn/apis/GryphnVulkan/src/vulkan_helpers.h

@@ -0,0 +1,14 @@
+#pragma once
+#include "gryphn_return_code.h"
+#include "core/gryphn_format.h"
+#include "core/gryphn_present_mode.h"
+#include <vulkan/vulkan_core.h>
+
+gnReturnCode vulkanCodeToGryphnCode(VkResult result);
+gnFormat vulkanFormatToGryphnFormat(VkFormat format);
+gnColorSpace vulkanColorSpaceToGryphnColorSpace(VkColorSpaceKHR colorSpace);
+gnPresentMode vulkanPresentModeToGryphnPresentMode(VkPresentModeKHR presentMode);
+
+VkFormat gryphnFormatToVulkanFormat(gnFormat format);
+VkColorSpaceKHR gryphnColorSpaceToVulkanColorSpace(gnColorSpace colorSpace);
+VkPresentModeKHR gryphnPresentModeToVulkanPresentMode(gnPresentMode presentMode);

Gryphn/gryphn.h

@@ -4,6 +4,10 @@
 extern "C" {
 #endif
 #include "GryphnLoader/src/instance/gryphn_instance.h"
+#include "GryphnLoader/src/device/gryphn_physical_device.h"
+#include "GryphnLoader/src/device/gryphn_device.h"
+#include "GryphnLoader/src/ext/instance/surface/gryphn_surface.h"
+#include "GryphnLoader/src/ext/device/swapchain/gryphn_swapchain.h"
 #ifdef __cplusplus
 }
 #endif

main.cpp

@@ -1,6 +1,10 @@
-#include "Gryphn/gryphn.h"
-#include <iostream>
+#define GN_USE_SURFACE_XLIB
+#include <Gryphn/gryphn.h>
 #include "stdlib.h"
+#include "iostream"
+#define GLFW_EXPOSE_NATIVE_X11
+#include "glfw/include/GLFW/glfw3.h"
+#include "glfw/include/GLFW/glfw3native.h"
 
 #define CONCAT_IMPL(a, b) a##b
 #define CONCAT(a, b) CONCAT_IMPL(a, b)
@@ -11,8 +15,18 @@
                   << ": " << CONCAT(res, __LINE__) << "\n"; \
     }
 
+GLFWwindow* window;
 gnVersion version = gnCreateVersion(1, 0, 0);
 gnInstance instance;
+gnPhysicalDevice pysicalDevice;
+gnDevice device;
+gnSurface surface;
+gnSwapchain swapchain;
+
+uint32_t min(uint32_t a, uint32_t b) {
+    if (a < b) return a;
+    return b;
+}
 
 void createInstance() {
     uint32_t backendCount = 0;
@@ -22,6 +36,10 @@ void createInstance() {
     }
     gnBackend* backends = (gnBackend*)malloc(sizeof(gnBackend) * backendCount);
     CHECK(gnGetAvaliableBackends(version, &backendCount, backends));
+    const char* extensions[2] = {
+        "GN_EXT_surface",
+        "GN_EXT_surface_xlib"
+    };
 
     gnInstanceCreateInfo createInfo = {
         .backend = backends[0],
@@ -29,23 +47,136 @@ void createInstance() {
             .applicationName = "Chemistry Rendering App",
             .applicationVersion = gnCreateVersion(0, 0, 1),
             .engineName = "Chemistry Rendering Engine",
-            .enginnVersion = gnCreateVersion(0, 0, 1)
+            .engineVersion = gnCreateVersion(0, 0, 1)
         },
         .enabledValidationLayerCount = 0,
         .enabledValidationLayers = nullptr,
-        .enabledExtensionCount = 0,
-        .enabledExtensions = nullptr
+        .enabledExtensionCount = 2,
+        .enabledExtensions = extensions
     };
     CHECK(gnCreateInstance(&instance, &createInfo));
     free(backends);
 }
 
+void createDevice() {
+    uint32_t physicalDeviceCount;
+    CHECK(gnEnumeratePhysicalDevices(instance, &physicalDeviceCount, nullptr));
+    gnPhysicalDevice* devices = (gnPhysicalDevice*)malloc(sizeof(gnPhysicalDevice) * physicalDeviceCount);
+    CHECK(gnEnumeratePhysicalDevices(instance, &physicalDeviceCount, devices));
+
+    std::cout << "Found " << physicalDeviceCount << " physical devices:\n";
+    for (int i = 0; i < physicalDeviceCount; i++) {
+        gnPhysicalDeviceProperties properties;
+        gnGetPhysicalDeviceProperties(devices[i], &properties);
+        std::cout << "Name: " << properties.deviceName << "\n";
+    }
+
+    pysicalDevice = devices[0];
+    const char* extensions[1] = {
+        "GN_EXT_swapchain"
+    };
+
+    gnDeviceCreateInfo createInfo = {
+        .physicalDevice = pysicalDevice,
+        .enabledExtensionCount = 1,
+        .enabledExtensions = extensions
+    };
+    CHECK(gnCreateDevice(instance, &createInfo, &device));
+}
+
+void createSurface() {
+    gnXlibSurfaceCreateInfo createInfo = {
+        .dpy = glfwGetX11Display(),
+        .window = glfwGetX11Window(window)
+    };
+
+    CHECK(gnCreateXlibSurface(instance, &createInfo, &surface));
+}
+
+gnSurfaceFormat getSurfaceFormat() {
+    uint32_t surfaceFormatCount = 0;
+    CHECK(gnGetSurfaceFormats(pysicalDevice, surface, &surfaceFormatCount, NULL));
+
+    if (surfaceFormatCount == 0)
+        throw std::runtime_error("Gryphn returned 0 avaliable surface formats");
+
+    gnSurfaceFormat* formats = (gnSurfaceFormat*)malloc(sizeof(gnSurfaceFormat) * surfaceFormatCount);
+    CHECK(gnGetSurfaceFormats(pysicalDevice, surface, &surfaceFormatCount, formats));
+
+    for (int i = 0; i < surfaceFormatCount; i++)
+        if (formats[i].format == GN_FORMAT_BGRA8_SRGB && formats[i].colorSpace == GN_COLOR_SPACE_SRGB_NONLINEAR) return formats[i];
+    return formats[0];
+    return (gnSurfaceFormat){
+        .format = GN_FORMAT_UNDEFINED,
+        .colorSpace = GN_COLOR_SPACE_UNKNOWN
+    };
+}
+
+gnPresentMode getPresentMode() {
+    uint32_t presentModeCount = 0;
+    CHECK(gnGetSurfacePresentModes(pysicalDevice, surface, &presentModeCount, NULL));
+
+    if (presentModeCount == 0)
+        throw std::runtime_error("Gryphn returned 0 avaliable presentMode");
+
+    gnPresentMode* presentModes = (gnPresentMode*)malloc(sizeof(gnPresentMode) * presentModeCount);
+    CHECK(gnGetSurfacePresentModes(pysicalDevice, surface, &presentModeCount, presentModes));
+
+    for (int i = 0; i < presentModeCount; i++)
+        if (presentModes[i] == GN_PRESENT_MODE_MAILBOX) return presentModes[i];
+    return presentModes[0];
+}
+
+
+void createSwapchain() {
+    gnSurfaceCapabilities capabilites;
+    gnGetSurfaceCapabilities(pysicalDevice, surface, &capabilites);
+
+    gnSurfaceFormat chosenFormat = getSurfaceFormat();
+    gnPresentMode chosenMode = getPresentMode();
+
+    int width, height;
+    glfwGetWindowSize(window, &width, &height);
+
+    gnSwapchainCreateInfo createInfo = {
+        .surface = surface,
+        .minImageCount = min(capabilites.minImageCount + 1, capabilites.maxImageCount),
+        .imageFormat = chosenFormat.format,
+        .imageColorSpace = chosenFormat.colorSpace,
+        .imageExtent = { (uint32_t)width, (uint32_t)height },
+        .imageArrayLayers = 1,
+        .presentMode = chosenMode,
+    };
+    CHECK(gnCreateSwapchain(device, &createInfo, &swapchain));
+}
+
 int main() {
+    if (!glfwInit()) {
+        std::cout << "Failed to init GLFW\n";
+        return -1;
+    }
+
+    glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
+    window = glfwCreateWindow(640, 360, "Chemistry Rendering App", nullptr, nullptr);
+    if (!window) {
+        std::cerr << "Failed to create window\n";
+        return -1;
+    }
+
     try {
         createInstance();
+        createDevice();
+        createSurface();
+        createSwapchain();
+        while (!glfwWindowShouldClose(window)) {
+            glfwPollEvents();
+        }
     } catch (const std::exception& e) {
         std::cerr << "Caught Exception: " << e.what() << "\n";
         return 0;
     }
+    glfwDestroyWindow(window);
+    gnDestroySurface(instance, &surface);
+    gnDestroyDevice(&device);
     gnDestroyInstance(&instance);
 }

main.mm

@@ -0,0 +1,136 @@
+#import <QuartzCore/CAMetalLayer.h>
+#import <Foundation/Foundation.h>
+#import <AppKit/AppKit.h>
+#define GN_CA_METAL_LAYER
+#include "Gryphn/gryphn.h"
+#include <iostream>
+#include "stdlib.h"
+#define GLFW_EXPOSE_NATIVE_COCOA
+#include "glfw/include/GLFW/glfw3.h"
+#include "glfw/include/GLFW/glfw3native.h"
+
+#define CONCAT_IMPL(a, b) a##b
+#define CONCAT(a, b) CONCAT_IMPL(a, b)
+#define CHECK(func) \
+    gnReturnCode CONCAT(res, __LINE__) = (func); \
+    if (CONCAT(res, __LINE__) != GN_SUCCESS) { \
+        std::cout << "Gryphn Error at line " << __LINE__ \
+                  << ": " << CONCAT(res, __LINE__) << "\n"; \
+    }
+
+GLFWwindow* window;
+CAMetalLayer* layer;
+gnVersion version = gnCreateVersion(1, 0, 0);
+gnInstance instance;
+gnPhysicalDevice pysicalDevice;
+gnDevice device;
+gnSurface surface;
+
+void createInstance() {
+    uint32_t backendCount = 0;
+    CHECK(gnGetAvaliableBackends(version, &backendCount, nullptr));
+    if (backendCount == 0) {
+        throw std::runtime_error("Gryphn returned 0 avaliable backends");
+    }
+    gnBackend* backends = (gnBackend*)malloc(sizeof(gnBackend) * backendCount);
+    CHECK(gnGetAvaliableBackends(version, &backendCount, backends));
+    const char* extensions[2] = {
+        "GN_EXT_surface",
+        "GN_EXT_surface_cocoa"
+    };
+
+    gnInstanceCreateInfo createInfo = {
+        .backend = backends[0],
+        .info = {
+            .applicationName = "Chemistry Rendering App",
+            .applicationVersion = gnCreateVersion(0, 0, 1),
+            .engineName = "Chemistry Rendering Engine",
+            .engineVersion = gnCreateVersion(0, 0, 1)
+        },
+        .enabledValidationLayerCount = 0,
+        .enabledValidationLayers = nullptr,
+        .enabledExtensionCount = 2,
+        .enabledExtensions = extensions
+    };
+    CHECK(gnCreateInstance(&instance, &createInfo));
+    free(backends);
+}
+
+void createDevice() {
+    uint32_t physicalDeviceCount;
+    CHECK(gnEnumeratePhysicalDevices(instance, &physicalDeviceCount, nullptr));
+    gnPhysicalDevice* devices = (gnPhysicalDevice*)malloc(sizeof(gnPhysicalDevice) * physicalDeviceCount);
+    CHECK(gnEnumeratePhysicalDevices(instance, &physicalDeviceCount, devices));
+
+    std::cout << "Found " << physicalDeviceCount << " physical devices:\n";
+    for (int i = 0; i < physicalDeviceCount; i++) {
+        gnPhysicalDeviceProperties properties;
+        gnGetPhysicalDeviceProperties(devices[i], &properties);
+        std::cout << "Name: " << properties.deviceName << "\n";
+    }
+
+    pysicalDevice = devices[0];
+
+    const char* extensions[1] = {
+        "GN_EXT_swapchain"
+    };
+
+    gnDeviceCreateInfo createInfo = {
+        .physicalDevice = pysicalDevice,
+        .enabledExtensionCount = 1,
+        .enabledExtensions = extensions
+    };
+    CHECK(gnCreateDevice(instance, &createInfo, &device));
+}
+
+void createSurface() {
+    NSWindow* nswin = glfwGetCocoaWindow((GLFWwindow*)window);
+    NSView* view = [nswin contentView];
+    layer = [CAMetalLayer layer];
+    [view setWantsLayer:YES];
+    [view setLayer:layer];
+    layer.contentsScale = [nswin backingScaleFactor];
+
+    gnMetalSurfaceCreateInfo createInfo = {
+        .metalLayer = layer
+    };
+    CHECK(gnCreateMetalSurface(instance, &createInfo, &surface));
+
+    gnSurfaceCapabilities capabilites;
+    gnGetSurfaceCapabilities(pysicalDevice, surface, &capabilites);
+}
+
+void createSwapchain() {
+
+}
+
+int main() {
+    if (!glfwInit()) {
+        std::cout << "Failed to init GLFW\n";
+        return -1;
+    }
+
+    glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
+    window = glfwCreateWindow(640, 360, "Chemistry Rendering App", nullptr, nullptr);
+    if (!window) {
+        std::cerr << "Failed to create window\n";
+        return -1;
+    }
+
+    try {
+        createInstance();
+        createDevice();
+        createSurface();
+        createSwapchain();
+        while (!glfwWindowShouldClose(window)) {
+            glfwPollEvents();
+        }
+    } catch (const std::exception& e) {
+        std::cerr << "Caught Exception: " << e.what() << "\n";
+        return 0;
+    }
+    glfwDestroyWindow(window);
+    gnDestroySurface(instance, &surface);
+    gnDestroyDevice(&device);
+    gnDestroyInstance(&instance);
+}