From b39fc43905a9e91ad7507ce6ec93ff589e131967 Mon Sep 17 00:00:00 2001
From: Greg Wells <gregory@new-host-43.home>
Date: Thu, 26 Jun 2025 13:02:22 -0400
Subject: [PATCH] kinda improve the loader (its worse)

---
 projects/loader/src/gryphn_loader.c      | 42 ++++++++++++++++--------
 projects/loader/src/gryphn_loader.h      | 12 +++++--
 projects/loader/src/gryphn_loader_info.h |  6 +++-
 3 files changed, 42 insertions(+), 18 deletions(-)

diff --git a/projects/loader/src/gryphn_loader.c b/projects/loader/src/gryphn_loader.c
index 4812ced..763bb7c 100644
--- a/projects/loader/src/gryphn_loader.c
+++ b/projects/loader/src/gryphn_loader.c
@@ -8,7 +8,7 @@
 #endif
 
 // load the speedy API functions or something like that
-gnInstanceFunctions loadAPIFunctions(gnRenderingAPI api) {
+gnInstanceFunctions loadAPIInstanceFunctions(gnRenderingAPI api) {
     switch (api) {
     case GN_RENDERINGAPI_NONE: return (gnInstanceFunctions){ NULL };
 #ifdef GN_API_VULKAN
@@ -26,17 +26,8 @@ gnInstanceFunctions loadAPIFunctions(gnRenderingAPI api) {
     }
 }
 
-gnInstanceFunctions loadInstanceFunctions(loaderInfo info) {
-    gnInstanceFunctions apiFunctions = loadAPIFunctions(info.api);
-
-    if (info.validateIfLoaded)
-        return loadFunctionLoaderInstanceFunctions(&apiFunctions);
-
-    return apiFunctions;
-}
-
-gnDeviceFunctions loadDeviceFunctions(loaderInfo info) {
-    switch (info.api) {
+gnDeviceFunctions loadAPIDeviceFunctions(gnRenderingAPI api) {
+    switch (api) {
     case GN_RENDERINGAPI_NONE: return (gnDeviceFunctions){ NULL };
 #ifdef GN_API_VULKAN
     case GN_RENDERINGAPI_VULKAN: return loadVulkanDeviceFunctions();
@@ -54,8 +45,8 @@ gnDeviceFunctions loadDeviceFunctions(loaderInfo info) {
     }
 }
 
-gnCommandFunctions loadCommandFunctions(loaderInfo info) {
-    switch (info.api) {
+gnCommandFunctions loadAPICommandFunctions(gnRenderingAPI api) {
+    switch (api) {
     case GN_RENDERINGAPI_NONE: return (gnCommandFunctions){ NULL };
 #ifdef GN_API_VULKAN
     case GN_RENDERINGAPI_VULKAN: return loadVulkanCommandFunctions();
@@ -72,3 +63,26 @@ gnCommandFunctions loadCommandFunctions(loaderInfo info) {
     default: return (gnCommandFunctions){NULL};
     }
 }
+
+loaderLayer null_layer() {
+    return (loaderLayer){
+        .instanceFunctions = (gnInstanceFunctions){ NULL },
+        .deviceFunctions = (gnDeviceFunctions){ NULL },
+        .commandFunctions = (gnCommandFunctions){ NULL }
+    };
+}
+
+loaderLayer api_loaded_layer(gnRenderingAPI api) {
+    return (loaderLayer){
+        .instanceFunctions = loadAPIInstanceFunctions(api),
+        .deviceFunctions = loadAPIDeviceFunctions(api),
+        .commandFunctions = loadAPICommandFunctions(api)
+    };
+}
+
+loaderLayer loadLayer(loaderInfo info) {
+    if (info.layerToLoad == no_layer) return null_layer();
+    if (info.layerToLoad == api_layer) return api_loaded_layer(info.api);
+
+    return null_layer();
+}
diff --git a/projects/loader/src/gryphn_loader.h b/projects/loader/src/gryphn_loader.h
index b8e0576..8d9b070 100644
--- a/projects/loader/src/gryphn_loader.h
+++ b/projects/loader/src/gryphn_loader.h
@@ -3,7 +3,13 @@
 #include "gryphn_device_functions.h"
 #include "gryphn_command_functions.h"
 #include "gryphn_loader_info.h"
+#include "utils/lists/gryphn_array_list.h"
 
-gnInstanceFunctions loadInstanceFunctions(loaderInfo info);
-gnDeviceFunctions loadDeviceFunctions(loaderInfo info);
-gnCommandFunctions loadCommandFunctions(loaderInfo info);
+typedef struct loaderLayer {
+    gnInstanceFunctions instanceFunctions;
+    gnDeviceFunctions deviceFunctions;
+    gnCommandFunctions commandFunctions;
+} loaderLayer;
+
+loaderLayer loadLayer(loaderInfo info);
+GN_ARRAY_LIST(loaderLayer);
diff --git a/projects/loader/src/gryphn_loader_info.h b/projects/loader/src/gryphn_loader_info.h
index e38411e..6bd105d 100644
--- a/projects/loader/src/gryphn_loader_info.h
+++ b/projects/loader/src/gryphn_loader_info.h
@@ -1,7 +1,11 @@
 #pragma once
 #include "gryphn_rendering_api.h"
 
+typedef enum toLoadLayer {
+    no_layer, api_layer
+} toLoadLayer;
+
 typedef struct loaderInfo {
     gnRenderingAPI api;
-    gnBool validateIfLoaded;
+    toLoadLayer layerToLoad;
 } loaderInfo;