From 7722467ceb127175e26553acc8c860037c6e440e Mon Sep 17 00:00:00 2001
From: Greg Wells <gregory@Gregs-MacBook-Pro.local>
Date: Tue, 15 Jul 2025 09:06:17 -0400
Subject: [PATCH] gnIsExtensionSupported

---
 include/gryphn/gryphn.h                       |  2 ++
 projects/apis/metal/loader/metal_extensions.m |  6 ++++
 projects/apis/metal/loader/metal_loader.h     |  3 ++
 .../apis/vulkan/loader/vulkan_extensions.c    |  6 ++++
 projects/apis/vulkan/loader/vulkan_loader.h   |  3 ++
 projects/core/src/instance/gryphn_instance.h  |  2 +-
 projects/loader/src/gryphn_extension_loader.c | 36 +++++++++++++++++++
 projects/loader/src/gryphn_extension_loader.h |  6 ++++
 8 files changed, 63 insertions(+), 1 deletion(-)
 create mode 100644 projects/apis/metal/loader/metal_extensions.m
 create mode 100644 projects/apis/vulkan/loader/vulkan_extensions.c
 create mode 100644 projects/loader/src/gryphn_extension_loader.c
 create mode 100644 projects/loader/src/gryphn_extension_loader.h

diff --git a/include/gryphn/gryphn.h b/include/gryphn/gryphn.h
index 300fffa..0c0e3fc 100644
--- a/include/gryphn/gryphn.h
+++ b/include/gryphn/gryphn.h
@@ -25,6 +25,8 @@
 #include <core/src/uniforms/gryphn_uniform.h>
 
 // extenions
+#include <loader/src/gryphn_extension_loader.h>
+
 #include <extensions/synchronization/fence/gryphn_fence.h>
 #include <extensions/synchronization/semaphore/gryphn_semaphore.h>
 #include <extensions/synchronization/gryphn_synced_presentation_queue.h>
diff --git a/projects/apis/metal/loader/metal_extensions.m b/projects/apis/metal/loader/metal_extensions.m
new file mode 100644
index 0000000..74fe590
--- /dev/null
+++ b/projects/apis/metal/loader/metal_extensions.m
@@ -0,0 +1,6 @@
+#include "metal_loader.h"
+
+gnBool metalIsExtensionSupported(gnExtension extension) {
+    if (extension == GN_EXT_SYNCHRONIZATION) return gnTrue;
+    return gnFalse;
+}
diff --git a/projects/apis/metal/loader/metal_loader.h b/projects/apis/metal/loader/metal_loader.h
index 7373e1b..781b02d 100644
--- a/projects/apis/metal/loader/metal_loader.h
+++ b/projects/apis/metal/loader/metal_loader.h
@@ -3,8 +3,11 @@
 #include "loader/src/gryphn_device_functions.h"
 #include "loader/src/gryphn_command_functions.h"
 #include "extensions/synchronization/loader/sync_functions.h"
+#include "core/gryphn_extensions.h"
 
 gnInstanceFunctions loadMetalInstanceFunctions();
 gnDeviceFunctions loadMetalDeviceFunctions();
 gnCommandFunctions loadMetalCommandFunctions();
 gnSyncExtFunctions loadMetalSyncFunctions();
+
+gnBool metalIsExtensionSupported(gnExtension extension);
diff --git a/projects/apis/vulkan/loader/vulkan_extensions.c b/projects/apis/vulkan/loader/vulkan_extensions.c
new file mode 100644
index 0000000..3a93170
--- /dev/null
+++ b/projects/apis/vulkan/loader/vulkan_extensions.c
@@ -0,0 +1,6 @@
+#include "vulkan_loader.h"
+
+gnBool vulkanIsExtensionSupported(gnExtension extension){
+    if (extension == GN_EXT_SYNCHRONIZATION) return gnTrue;
+    return gnFalse;
+}
diff --git a/projects/apis/vulkan/loader/vulkan_loader.h b/projects/apis/vulkan/loader/vulkan_loader.h
index 8da5b3d..18bca8b 100644
--- a/projects/apis/vulkan/loader/vulkan_loader.h
+++ b/projects/apis/vulkan/loader/vulkan_loader.h
@@ -3,8 +3,11 @@
 #include "loader/src/gryphn_device_functions.h"
 #include "loader/src/gryphn_command_functions.h"
 #include "extensions/synchronization/loader/sync_functions.h"
+#include "core/gryphn_extensions.h"
 
 gnInstanceFunctions loadVulkanInstanceFunctions();
 gnDeviceFunctions loadVulkanDeviceFunctions();
 gnCommandFunctions loadVulkanCommandFunctions();
 gnSyncExtFunctions loadVulkanSyncFunctions();
+
+gnBool vulkanIsExtensionSupported(gnExtension extension);
diff --git a/projects/core/src/instance/gryphn_instance.h b/projects/core/src/instance/gryphn_instance.h
index fe50cb1..fb3712f 100644
--- a/projects/core/src/instance/gryphn_instance.h
+++ b/projects/core/src/instance/gryphn_instance.h
@@ -3,7 +3,6 @@
 #include "core/src/gryphn_handles.h"
 #include "utils/gryphn_version.h"
 #include "utils/gryphn_error_code.h"
-#include <loader/src/gryphn_loader.h>
 #include <gryphn_extensions.h>
 
 typedef struct gnInstanceInfo {
@@ -21,6 +20,7 @@ typedef struct gnInstanceInfo {
 } gnInstanceInfo;
 
 #ifdef GN_REVEAL_IMPL
+#include <loader/src/gryphn_loader.h>
 struct gnInstance_t {
     struct gnPlatformInstance_t* instance;
     gnBool valid;
diff --git a/projects/loader/src/gryphn_extension_loader.c b/projects/loader/src/gryphn_extension_loader.c
new file mode 100644
index 0000000..1d1d422
--- /dev/null
+++ b/projects/loader/src/gryphn_extension_loader.c
@@ -0,0 +1,36 @@
+#include "gryphn_extension_loader.h"
+
+#ifdef GN_API_VULKAN
+#include <apis/vulkan/loader/vulkan_loader.h>
+#endif
+#ifdef GN_API_METAL
+#include <apis/metal/loader/metal_loader.h>
+#endif
+#ifdef GN_API_OPENGL
+#include <apis/opengl/loader/opengl_loader.h>
+#endif
+
+gnBool gnIsExtensionSuppoted(gnRenderingAPI api, gnExtension extension) {
+    switch (api) {
+    case GN_RENDERINGAPI_NONE: return gnFalse;
+#ifdef GN_API_VULKAN
+    case GN_RENDERINGAPI_VULKAN: return vulkanIsExtensionSupported(extension);
+#endif
+#ifdef GN_API_SOFTWARE
+    case GN_RENDERINGAPI_SOFTWARE: return softwareIsExtensionSupported(extension);
+#endif
+#ifdef GN_API_DX11
+    case GN_RENDERINGAPI_DIRECTX11: return dx11IsExtensionSupported(extension);
+#endif
+#ifdef GN_API_DX12
+    case GN_RENDERINGAPI_DIRECTX12: return dx12IsExtensionSupported(extension);
+#endif
+#ifdef GN_API_OPENGL
+    case GN_RENDERINGAPI_OPENGL: return openglIsExtensionSupported(extension);
+#endif
+#ifdef GN_API_METAL
+    case GN_RENDERINGAPI_METAL: return metalIsExtensionSupported(extension);
+#endif
+    default: return gnFalse;
+    }
+}
diff --git a/projects/loader/src/gryphn_extension_loader.h b/projects/loader/src/gryphn_extension_loader.h
new file mode 100644
index 0000000..779574d
--- /dev/null
+++ b/projects/loader/src/gryphn_extension_loader.h
@@ -0,0 +1,6 @@
+#pragma once
+#include <utils/gryphn_bool.h>
+#include <core/src/gryphn_rendering_api.h>
+#include <core/gryphn_extensions.h>
+
+gnBool gnIsExtensionSuppoted(gnRenderingAPI api, gnExtension extension);