redo some instance funcions stuff

projects/apis/metal/CMakeLists.txt

@@ -19,7 +19,6 @@ target_include_directories(GryphnMetalImpl PUBLIC
     ${CMAKE_CURRENT_SOURCE_DIR}/../../platform/
     ${CMAKE_CURRENT_SOURCE_DIR}/../../../depends/
     ${CMAKE_CURRENT_SOURCE_DIR}/src/
-    depends/SPIRV-Cross/
 )
 add_compile_definitions(GN_REVEAL_IMPL)
 add_subdirectory(depends/SPIRV-Cross)

projects/apis/vulkan/loader/vulkan_instance_loader.c

@@ -6,14 +6,14 @@
 
 gnInstanceFunctions loadVulkanInstanceFunctions() {
     return (gnInstanceFunctions){
-        ._gnCreateInstance = createInstance,
-        ._gnDestroyInstance = destroyInstance,
+        .createInstance = (PFN_gnCreateInstance)createVulkanInstance,
+        .destroyInstance = (PFN_gnDestroyInstance)destroyVulkanInstance,
 
         ._gnGetPhysicalDevices = getPhysicalDevices,
         ._gnPhysicalDeviceCanPresentToSurface = deviceCanPresentToSurface,
 
-        ._gnCreateOutputDevice = createOutputDevice,
-        ._gnDestroyOutputDevice = destroyOutputDevice,
+        ._gnCreateOutputDevice = createVulkanOutputDevice,
+        ._gnDestroyOutputDevice = destroyVulkanOutputDevice,
 
 
         #ifdef GN_PLATFORM_LINUX

projects/apis/vulkan/src/instance/vulkan_instance.c

@@ -35,7 +35,7 @@ static VKAPI_ATTR VkBool32 VKAPI_CALL vk_debuggerDebugCallback(
     return VK_TRUE;
 }
 
-gnReturnCode createInstance(gnInstanceHandle instance, gnInstanceCreateInfo* instanceInfo) {
+gnReturnCode createVulkanInstance(gnInstanceHandle instance, gnInstanceCreateInfo* instanceInfo, PFN_gnCreateInstance* next) {
     instance->instance = malloc(sizeof(gnPlatformInstance));
 
     vkStringArrayList extensions = vkStringArrayListCreate();
@@ -101,6 +101,6 @@ gnReturnCode createInstance(gnInstanceHandle instance, gnInstanceCreateInfo* ins
     return VkResultToGnReturnCode(vkCreateInstance(&createInfo, NULL, &instance->instance->vk_instance));
 }
 
-void destroyInstance(gnInstanceHandle instance) {
+void destroyVulkanInstance(gnInstanceHandle instance, PFN_gnDestroyInstance* next) {
     vkDestroyInstance(instance->instance->vk_instance, NULL);
 }

projects/apis/vulkan/src/instance/vulkan_instance.h

@@ -2,6 +2,7 @@
 #include <vulkan/vulkan.h>
 #include "instance/gryphn_instance.h"
 #include "utils/lists/gryphn_array_list.h"
+#include "loader/src/gryphn_instance_functions.h"
 
 typedef struct vkUserData {
     gnDebuggerCallback debuggerCallback;
@@ -13,9 +14,8 @@ typedef struct gnPlatformInstance_t {
     vkUserData userData;
 } gnPlatformInstance;
 
-gnReturnCode createInstance(gnInstanceHandle instance, gnInstanceCreateInfo* instanceInfo);
-void destroyInstance(gnInstanceHandle instance);
+gnReturnCode createVulkanInstance(gnInstanceHandle instance, gnInstanceCreateInfo* instanceInfo, PFN_gnCreateInstance* next);
+void destroyVulkanInstance(gnInstanceHandle instance, PFN_gnDestroyInstance* next);
 
 typedef const char* vkString;
-
 GN_ARRAY_LIST(vkString);

projects/core/src/gryphn_handles.h

@@ -4,20 +4,24 @@
 #define GN_NULL_HANDLE 0
 typedef uint32_t gnFlags;
 
+// The value of this handle is defined by the gryphn spec
 #define GN_HANDLE(type) \
 typedef struct type##_t* type##Handle; \
 typedef struct type##_t* type
 
+// The value of this handle is defined by the implementation
 #define GN_IMPLEMENTATION_HANDLE(type) \
 typedef uint64_t type##Handle; \
 typedef uint64_t type
 
+// can be used to alias a normal handle or an implementation handle
 #define GN_HANDLE_ALIAS(handle, alias) \
 typedef struct handle##_t* alias##Handle; \
 typedef struct handle##_t* alias
 
 GN_HANDLE(gnInstance);
-GN_HANDLE(gnDebugger);
+
+
 GN_HANDLE(gnWindowSurface);
 GN_HANDLE(gnPresentationQueue);
 GN_HANDLE(gnTexture);

projects/core/src/instance/gryphn_instance.h

@@ -29,7 +29,6 @@ struct gnInstance_t {
     struct gnPlatformInstance_t* instance;
     gnDebuggerCreateInfo debugger;
     gnBool enabledExtensions[GN_EXT_MAX];
-    dispatcher dispatch;
 
     loaderLayerArrayList layers;
     loaderLayer* callingLayer;

projects/loader/src/gryphn_instance_functions.h

@@ -18,15 +18,18 @@ typedef struct gnOutputDeviceInfo gnOutputDeviceInfo;
     typedef struct gnMacOSWindowSurfaceInfo gnMacOSWindowSurfaceInfo;
 #endif
 
+typedef gnReturnCode (*PFN_gnCreateInstance)(gnInstanceHandle instance, gnInstanceCreateInfo* info, void* next);
+typedef gnReturnCode (*PFN_gnDestroyInstance)(gnInstanceHandle instance, void* next);
+
 typedef struct gnInstanceFunctions {
-    gnReturnCode (*_gnCreateInstance)(gnInstanceHandle instance, gnInstanceCreateInfo* info);
-    void (*_gnDestroyInstance)(gnInstanceHandle instance);
+    PFN_gnCreateInstance createInstance;
+    PFN_gnDestroyInstance destroyInstance;
 
     gnPhysicalDevice* (*_gnGetPhysicalDevices)(gnInstanceHandle instance, uint32_t* count);
     gnBool (*_gnPhysicalDeviceCanPresentToSurface)(gnPhysicalDevice device, gnWindowSurfaceHandle windowSurface);
 
     gnReturnCode (*_gnCreateOutputDevice)(gnInstanceHandle instance, gnOutputDeviceHandle device, gnOutputDeviceInfo deviceInfo);
-    void (*_gnDestroyOutputDevice)(gnOutputDeviceHandle device);
+    void (*_gnDestroyOutputDevice)(gnInstanceHandle handle, gnOutputDeviceHandle device);
 
 
     #ifdef GN_PLATFORM_LINUX