more loader redoing (for instance)

projects/apis/metal/loader/metal_instance_loader.m

@@ -3,10 +3,15 @@
 #include "surface/metal_surface.h"
 #include "devices/metal_output_devices.h"
 
+gryphnInstanceFunctionLayers metalLoadAPILayer() {
+    return (gryphnInstanceFunctionLayers) {
+        .createInstance = { metalCreateInstance, NULL },
+        .destroyInstance = { metalDestroyInstance, NULL }
+    };
+}
+
 gnInstanceFunctions loadMetalInstanceFunctions() {
     return (gnInstanceFunctions){
-        ._gnCreateInstance = createMetalInstance,
-        ._gnDestroyInstance = destroyMetalInstance,
         ._gnGetPhysicalDevices = getMetalDevices,
         ._gnPhysicalDeviceCanPresentToSurface = metalCanDevicePresent,
         ._gnCreateOutputDevice = createMetalOutputDevice,

projects/apis/metal/loader/metal_loader.h

@@ -5,6 +5,9 @@
 #include "extensions/synchronization/loader/sync_functions.h"
 #include "core/gryphn_extensions.h"
 
+typedef struct gryphnInstanceFunctionLayers gryphnInstanceFunctionLayers;
+gryphnInstanceFunctionLayers metalLoadAPILayer();
+
 gnInstanceFunctions loadMetalInstanceFunctions();
 gnDeviceFunctions loadMetalDeviceFunctions();
 gnCommandFunctions loadMetalCommandFunctions();

projects/apis/metal/src/instance/metal_instance.h

@@ -7,5 +7,5 @@ typedef struct gnPlatformInstance_t {
     NSView* metalContentView;
 } gnPlatformInstance;
 
-gnReturnCode createMetalInstance(gnInstanceHandle instance, gnInstanceCreateInfo* instanceInfo);
-void destroyMetalInstance(gnInstance instance);
+gnReturnCode metalCreateInstance(gnInstanceHandle instance, gnInstanceCreateInfo* instanceInfo, gryphnFunctionLayer* next);
+void metalDestroyInstance(gnInstance instance, gryphnFunctionLayer* next);

projects/apis/metal/src/instance/metal_instance.m

@@ -1,10 +1,10 @@
 #include "metal_instance.h"
 
 // metal instances are kinda useless
-gnReturnCode createMetalInstance(gnInstanceHandle instance, gnInstanceCreateInfo* instanceInfo) {
+gnReturnCode metalCreateInstance(gnInstanceHandle instance, gnInstanceCreateInfo* instanceInfo, gryphnFunctionLayer* next) {
     if (instance->instance == NULL) instance->instance = malloc(sizeof(gnPlatformInstance));
     return GN_SUCCESS;
 }
-void destroyMetalInstance(gnInstance instance) {
+void metalDestroyInstance(gnInstanceHandle instance, gryphnFunctionLayer* next) {
     free(instance->instance);
 }

projects/apis/vulkan/loader/vulkan_loader.h

@@ -6,6 +6,9 @@
 #include "extensions/queues/queues_functions.h"
 #include "core/gryphn_extensions.h"
 
+typedef struct gryphnInstanceFunctionLayers gryphnInstanceFunctionLayers;
+gryphnInstanceFunctionLayers loadVulkanAPILayer();
+
 gnInstanceFunctions loadVulkanInstanceFunctions();
 gnDeviceFunctions loadVulkanDeviceFunctions();
 gnCommandFunctions loadVulkanCommandFunctions();

projects/core/src/instance/gryphn_instance.c

@@ -10,10 +10,8 @@ gnReturnCode gnCreateInstance(gnInstanceHandle* instance, gnInstanceCreateInfo*
     *instance = malloc(sizeof(struct gnInstance_t));
     (*instance)->hasDebugger = GN_FALSE;
     (*instance)->layers = loaderLayerArrayListCreate();
-    dispatcher_init(&(*instance)->dispatch);
-    dispatcher_set_function_array_size(&(*instance)->dispatch, sizeof(gnInstanceFunctions));
 
-    dispatcher_create_layer(&(*instance)->dispatch, loadAPIInstanceFunctions, &info->coreAPI);
+    // (*instance)->functions =
 
     loaderLayerArrayListAdd(&(*instance)->layers, loadLayer((loaderInfo){
         .api = info->coreAPI,
@@ -46,17 +44,12 @@ gnReturnCode gnCreateInstance(gnInstanceHandle* instance, gnInstanceCreateInfo*
     (*instance)->currentLayer = ((*instance)->layers.count - 1);
     for (int i = 0; i < (*instance)->layers.count; i++) (*instance)->layers.data[i].layerIndex = i;
     (*instance)->callingLayer = &(*instance)->layers.data[(*instance)->layers.count - 1];
-
-    gnInstanceFunctions* instance_funcs = (gnInstanceFunctions*)((*instance)->dispatch.first_layer->function_array);
-    gnReturnCode core_code = instance_funcs->_gnCreateInstance((*instance), info);
     if (unsupportedExtension) return GN_UNLOADED_EXTENSION;
-    return core_code;
+    return (*(PFN_gnCreateInstance*)(*instance)->functions.createInstance.function)(*instance, info, (*instance)->functions.createInstance.next);
 }
 
 void gnDestroyInstance(gnInstanceHandle* instance) {
     if (instance == GN_NULL_HANDLE) return;
-
-    gnInstanceFunctions* instance_funcs = (gnInstanceFunctions*)((*instance)->dispatch.first_layer->function_array);
-    instance_funcs->_gnDestroyInstance((*instance));
+    (*(PFN_gnDestroyInstance*)(*instance)->functions.destroyInstance.function)(*instance, (*instance)->functions.destroyInstance.next);
     *instance = GN_NULL_HANDLE;
 }

projects/core/src/instance/gryphn_instance.h

@@ -5,7 +5,6 @@
 #include "core/gryphn_return_code.h"
 #include "core/src/instance/gryphn_debugger.h"
 #include <gryphn_extensions.h>
-#include "Dispatcher/dispatcher.h"
 
 typedef struct gnApplicationInfo {
     gnString  applicationName;
@@ -25,11 +24,14 @@ typedef struct gnInstanceCreateInfo {
 
 #ifdef GN_REVEAL_IMPL
 #include <loader/src/gryphn_loader.h>
+
 struct gnInstance_t {
     struct gnPlatformInstance_t* instance;
     gnDebuggerCreateInfo debugger;
     gnBool enabledExtensions[GN_EXT_MAX];
 
+    gryphnInstanceFunctionLayers functions;
+
     loaderLayerArrayList layers;
     loaderLayer* callingLayer;
     uint32_t currentLayer;

projects/loader/src/gryphn_loader.c

@@ -26,7 +26,7 @@ gryphnInstanceFunctionLayers gryphnLoadAPILayer(gnRenderingAPI api) {
     // case GN_RENDERINGAPI_OPENGL: return loadOpenGLInstanceFunctions();
 #endif
 #ifdef GN_API_METAL
-    // case GN_RENDERINGAPI_METAL: return loadMetalInstanceFunctions();
+    case GN_RENDERINGAPI_METAL: return metalLoadAPILayer();
 #endif
     default: return (gryphnInstanceFunctionLayers){};
     }