diff --git a/extlibs/headers/glad/include/glad/egl.h b/extlibs/headers/glad/include/glad/egl.h
index e685194d..e365e569 100644
--- a/extlibs/headers/glad/include/glad/egl.h
+++ b/extlibs/headers/glad/include/glad/egl.h
@@ -1,5 +1,5 @@
 /**
- * Loader generated by glad 2.0.0-beta on Wed Jul 17 02:11:09 2019
+ * Loader generated by glad 2.0.0-beta on Sun Jun 26 11:35:02 2022
  *
  * Generator: C/C++
  * Specification: egl
@@ -9,19 +9,19 @@
  *  - egl=1.5
  *
  * Options:
+ *  - ALIAS = True
+ *  - DEBUG = False
+ *  - HEADER_ONLY = True
+ *  - LOADER = True
+ *  - MX = False
  *  - MX_GLOBAL = False
  *  - ON_DEMAND = False
- *  - LOADER = True
- *  - ALIAS = True
- *  - HEADER_ONLY = True
- *  - DEBUG = False
- *  - MX = False
  *
  * Commandline:
- *    --api='egl=1.5' --extensions='EGL_KHR_cl_event2,EGL_KHR_fence_sync,EGL_KHR_image,EGL_KHR_image_base,EGL_KHR_reusable_sync' c --loader --alias --header-only
+ *    --api='egl=1.5' --extensions='EGL_KHR_cl_event2,EGL_KHR_fence_sync,EGL_KHR_image,EGL_KHR_image_base,EGL_KHR_reusable_sync' c --alias --header-only --loader
  *
  * Online:
- *    http://glad.sh/#api=egl%3D1.5&extensions=EGL_KHR_cl_event2%2CEGL_KHR_fence_sync%2CEGL_KHR_image%2CEGL_KHR_image_base%2CEGL_KHR_reusable_sync&generator=c&options=LOADER%2CALIAS%2CHEADER_ONLY
+ *    http://glad.sh/#api=egl%3D1.5&extensions=EGL_KHR_cl_event2%2CEGL_KHR_fence_sync%2CEGL_KHR_image%2CEGL_KHR_image_base%2CEGL_KHR_reusable_sync&generator=c&options=ALIAS%2CHEADER_ONLY%2CLOADER
  *
  */
 
@@ -30,9 +30,9 @@
 
 
 #define SF_GLAD_EGL
-#define GLAD_OPTION_EGL_LOADER
 #define GLAD_OPTION_EGL_ALIAS
 #define GLAD_OPTION_EGL_HEADER_ONLY
+#define GLAD_OPTION_EGL_LOADER
 
 #ifdef __cplusplus
 extern "C" {
@@ -459,7 +459,7 @@ typedef void (*GLADpostcallback)(void *ret, const char *name, GLADapiproc apipro
  * This follows the return type of the function  and precedes the function
  * name in the function prototype.
  */
-#if defined(_WIN32) && !defined(_WIN32_WCE) && !defined(KHRONOS_STATIC)
+#if defined(_WIN32) && !defined(_WIN32_WCE) && !defined(__SCITECH_SNAP__)
     /* Win32 but not WinCE */
 #   define KHRONOS_GLAD_API_PTR __stdcall
 #else
@@ -493,6 +493,20 @@ typedef int64_t                 khronos_int64_t;
 typedef uint64_t                khronos_uint64_t;
 #define KHRONOS_SUPPORT_INT64   1
 #define KHRONOS_SUPPORT_FLOAT   1
+/*
+ * To support platform where unsigned long cannot be used interchangeably with
+ * inptr_t (e.g. CHERI-extended ISAs), we can use the stdint.h intptr_t.
+ * Ideally, we could just use (u)intptr_t everywhere, but this could result in
+ * ABI breakage if khronos_uintptr_t is changed from unsigned long to
+ * unsigned long long or similar (this results in different C++ name mangling).
+ * To avoid changes for existing platforms, we restrict usage of intptr_t to
+ * platforms where the size of a pointer is larger than the size of long.
+ */
+#if defined(__SIZEOF_LONG__) && defined(__SIZEOF_POINTER__)
+#if __SIZEOF_POINTER__ > __SIZEOF_LONG__
+#define KHRONOS_USE_INTPTR_T
+#endif
+#endif
 
 #elif defined(__VMS ) || defined(__sgi)
 
@@ -575,14 +589,21 @@ typedef unsigned short int     khronos_uint16_t;
  * pointers are 64 bits, but 'long' is still 32 bits. Win64 appears
  * to be the only LLP64 architecture in current use.
  */
-#ifdef _WIN64
+#ifdef KHRONOS_USE_INTPTR_T
+typedef intptr_t               khronos_intptr_t;
+typedef uintptr_t              khronos_uintptr_t;
+#elif defined(_WIN64)
 typedef signed   long long int khronos_intptr_t;
 typedef unsigned long long int khronos_uintptr_t;
-typedef signed   long long int khronos_ssize_t;
-typedef unsigned long long int khronos_usize_t;
 #else
 typedef signed   long  int     khronos_intptr_t;
 typedef unsigned long  int     khronos_uintptr_t;
+#endif
+
+#if defined(_WIN64)
+typedef signed   long long int khronos_ssize_t;
+typedef unsigned long long int khronos_usize_t;
+#else
 typedef signed   long  int     khronos_ssize_t;
 typedef unsigned long  int     khronos_usize_t;
 #endif
@@ -632,36 +653,17 @@ typedef enum {
 #define __eglplatform_h_
 
 /*
-** Copyright (c) 2007-2016 The Khronos Group Inc.
-**
-** Permission is hereby granted, free of charge, to any person obtaining a
-** copy of this software and/or associated documentation files (the
-** "Materials"), to deal in the Materials without restriction, including
-** without limitation the rights to use, copy, modify, merge, publish,
-** distribute, sublicense, and/or sell copies of the Materials, and to
-** permit persons to whom the Materials are furnished to do so, subject to
-** the following conditions:
-**
-** The above copyright notice and this permission notice shall be included
-** in all copies or substantial portions of the Materials.
-**
-** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
-** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+** Copyright 2007-2020 The Khronos Group Inc.
+** SPDX-License-Identifier: Apache-2.0
 */
 
 /* Platform-specific types and definitions for egl.h
- * $Revision: 30994 $ on $Date: 2015-04-30 13:36:48 -0700 (Thu, 30 Apr 2015) $
  *
  * Adopters may modify khrplatform.h and this file to suit their platform.
  * You are encouraged to submit all modifications to the Khronos group so that
  * they can be included in future versions of this file.  Please submit changes
- * by sending them to the public Khronos Bugzilla (http://khronos.org/bugzilla)
- * by filing a bug against product "EGL" component "Registry".
+ * by filing an issue or pull request on the public Khronos EGL Registry, at
+ * https://www.github.com/KhronosGroup/EGL-Registry/
  */
 
 /*   */
@@ -697,7 +699,13 @@ typedef enum {
  * implementations.
  */
 
-#if defined(_WIN32) || defined(__VC32__) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__) /* Win32 and WinCE */
+#if defined(EGL_NO_PLATFORM_SPECIFIC_TYPES)
+
+typedef void *EGLNativeDisplayType;
+typedef void *EGLNativePixmapType;
+typedef void *EGLNativeWindowType;
+
+#elif defined(_WIN32) || defined(__VC32__) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__) /* Win32 and WinCE */
 #ifndef WIN32_LEAN_AND_MEAN
 #define WIN32_LEAN_AND_MEAN 1
 #endif
@@ -746,7 +754,7 @@ typedef intptr_t EGLNativeDisplayType;
 typedef intptr_t EGLNativePixmapType;
 typedef intptr_t EGLNativeWindowType;
 
-#elif defined(__unix__) || defined(USE_X11)
+#elif defined(USE_X11)
 
 /* X11 (tentative)  */
 #include <X11/Xlib.h>
@@ -756,6 +764,12 @@ typedef Display *EGLNativeDisplayType;
 typedef Pixmap   EGLNativePixmapType;
 typedef Window   EGLNativeWindowType;
 
+#elif defined(__unix__)
+
+typedef void             *EGLNativeDisplayType;
+typedef khronos_uintptr_t EGLNativePixmapType;
+typedef khronos_uintptr_t EGLNativeWindowType;
+
 #elif defined(__APPLE__)
 
 typedef int   EGLNativeDisplayType;
@@ -770,6 +784,12 @@ typedef void              *EGLNativeDisplayType;
 typedef khronos_uintptr_t  EGLNativePixmapType;
 typedef khronos_uintptr_t  EGLNativeWindowType;
 
+#elif defined(__Fuchsia__)
+
+typedef void              *EGLNativeDisplayType;
+typedef khronos_uintptr_t  EGLNativePixmapType;
+typedef khronos_uintptr_t  EGLNativeWindowType;
+
 #else
 #error "Platform not recognized"
 #endif
@@ -810,6 +830,9 @@ typedef khronos_int32_t EGLint;
 
 
 struct AHardwareBuffer;
+struct wl_buffer;
+struct wl_display;
+struct wl_resource;
 
 typedef unsigned int EGLBoolean;
 typedef unsigned int EGLenum;
@@ -848,7 +871,11 @@ struct EGLClientPixmapHI {
     EGLint iHeight;
     EGLint iStride;
 };
-typedef void ( *EGLDEBUGPROCKHR)(EGLenum error,const char *command,EGLint messageType,EGLLabelKHR threadLabel,EGLLabelKHR objectLabel,const char* message);
+typedef void (GLAD_API_PTR *EGLDEBUGPROCKHR)(EGLenum error,const char *command,EGLint messageType,EGLLabelKHR threadLabel,EGLLabelKHR objectLabel,const char* message);
+#define PFNEGLBINDWAYLANDDISPLAYWL PFNEGLBINDWAYLANDDISPLAYWLPROC
+#define PFNEGLUNBINDWAYLANDDISPLAYWL PFNEGLUNBINDWAYLANDDISPLAYWLPROC
+#define PFNEGLQUERYWAYLANDBUFFERWL PFNEGLQUERYWAYLANDBUFFERWLPROC
+#define PFNEGLCREATEWAYLANDBUFFERFROMIMAGEWL PFNEGLCREATEWAYLANDBUFFERFROMIMAGEWLPROC
 
 
 #define EGL_VERSION_1_0 1
@@ -1059,6 +1086,11 @@ GLAD_API_CALL PFNEGLWAITSYNCPROC sf_glad_eglWaitSync;
 
 #endif /* GLAD_IMPL_UTIL_C_ */
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
 
 int SF_GLAD_EGL_VERSION_1_0 = 0;
 int SF_GLAD_EGL_VERSION_1_1 = 0;
@@ -1189,41 +1221,46 @@ static void sf_glad_egl_load_EGL_VERSION_1_5( GLADuserptrloadfunc load, void* us
 }
 static void sf_glad_egl_load_EGL_KHR_cl_event2( GLADuserptrloadfunc load, void* userptr) {
     if(!SF_GLAD_EGL_KHR_cl_event2) return;
-    sf_glad_eglCreateSync = (PFNEGLCREATESYNCPROC) load(userptr, "eglCreateSync");
     sf_glad_eglCreateSync64KHR = (PFNEGLCREATESYNC64KHRPROC) load(userptr, "eglCreateSync64KHR");
 }
 static void sf_glad_egl_load_EGL_KHR_fence_sync( GLADuserptrloadfunc load, void* userptr) {
     if(!SF_GLAD_EGL_KHR_fence_sync) return;
-    sf_glad_eglClientWaitSync = (PFNEGLCLIENTWAITSYNCPROC) load(userptr, "eglClientWaitSync");
     sf_glad_eglClientWaitSyncKHR = (PFNEGLCLIENTWAITSYNCKHRPROC) load(userptr, "eglClientWaitSyncKHR");
     sf_glad_eglCreateSyncKHR = (PFNEGLCREATESYNCKHRPROC) load(userptr, "eglCreateSyncKHR");
-    sf_glad_eglDestroySync = (PFNEGLDESTROYSYNCPROC) load(userptr, "eglDestroySync");
     sf_glad_eglDestroySyncKHR = (PFNEGLDESTROYSYNCKHRPROC) load(userptr, "eglDestroySyncKHR");
     sf_glad_eglGetSyncAttribKHR = (PFNEGLGETSYNCATTRIBKHRPROC) load(userptr, "eglGetSyncAttribKHR");
 }
 static void sf_glad_egl_load_EGL_KHR_image( GLADuserptrloadfunc load, void* userptr) {
     if(!SF_GLAD_EGL_KHR_image) return;
     sf_glad_eglCreateImageKHR = (PFNEGLCREATEIMAGEKHRPROC) load(userptr, "eglCreateImageKHR");
-    sf_glad_eglDestroyImage = (PFNEGLDESTROYIMAGEPROC) load(userptr, "eglDestroyImage");
     sf_glad_eglDestroyImageKHR = (PFNEGLDESTROYIMAGEKHRPROC) load(userptr, "eglDestroyImageKHR");
 }
 static void sf_glad_egl_load_EGL_KHR_image_base( GLADuserptrloadfunc load, void* userptr) {
     if(!SF_GLAD_EGL_KHR_image_base) return;
     sf_glad_eglCreateImageKHR = (PFNEGLCREATEIMAGEKHRPROC) load(userptr, "eglCreateImageKHR");
-    sf_glad_eglDestroyImage = (PFNEGLDESTROYIMAGEPROC) load(userptr, "eglDestroyImage");
     sf_glad_eglDestroyImageKHR = (PFNEGLDESTROYIMAGEKHRPROC) load(userptr, "eglDestroyImageKHR");
 }
 static void sf_glad_egl_load_EGL_KHR_reusable_sync( GLADuserptrloadfunc load, void* userptr) {
     if(!SF_GLAD_EGL_KHR_reusable_sync) return;
-    sf_glad_eglClientWaitSync = (PFNEGLCLIENTWAITSYNCPROC) load(userptr, "eglClientWaitSync");
     sf_glad_eglClientWaitSyncKHR = (PFNEGLCLIENTWAITSYNCKHRPROC) load(userptr, "eglClientWaitSyncKHR");
     sf_glad_eglCreateSyncKHR = (PFNEGLCREATESYNCKHRPROC) load(userptr, "eglCreateSyncKHR");
-    sf_glad_eglDestroySync = (PFNEGLDESTROYSYNCPROC) load(userptr, "eglDestroySync");
     sf_glad_eglDestroySyncKHR = (PFNEGLDESTROYSYNCKHRPROC) load(userptr, "eglDestroySyncKHR");
     sf_glad_eglGetSyncAttribKHR = (PFNEGLGETSYNCATTRIBKHRPROC) load(userptr, "eglGetSyncAttribKHR");
     sf_glad_eglSignalSyncKHR = (PFNEGLSIGNALSYNCKHRPROC) load(userptr, "eglSignalSyncKHR");
 }
 
+
+static void sf_glad_egl_resolve_aliases(void) {
+    if (sf_glad_eglClientWaitSync == NULL && sf_glad_eglClientWaitSyncKHR != NULL) sf_glad_eglClientWaitSync = (PFNEGLCLIENTWAITSYNCPROC)sf_glad_eglClientWaitSyncKHR;
+    if (sf_glad_eglClientWaitSyncKHR == NULL && sf_glad_eglClientWaitSync != NULL) sf_glad_eglClientWaitSyncKHR = (PFNEGLCLIENTWAITSYNCKHRPROC)sf_glad_eglClientWaitSync;
+    if (sf_glad_eglCreateSync == NULL && sf_glad_eglCreateSync64KHR != NULL) sf_glad_eglCreateSync = (PFNEGLCREATESYNCPROC)sf_glad_eglCreateSync64KHR;
+    if (sf_glad_eglCreateSync64KHR == NULL && sf_glad_eglCreateSync != NULL) sf_glad_eglCreateSync64KHR = (PFNEGLCREATESYNC64KHRPROC)sf_glad_eglCreateSync;
+    if (sf_glad_eglDestroyImage == NULL && sf_glad_eglDestroyImageKHR != NULL) sf_glad_eglDestroyImage = (PFNEGLDESTROYIMAGEPROC)sf_glad_eglDestroyImageKHR;
+    if (sf_glad_eglDestroyImageKHR == NULL && sf_glad_eglDestroyImage != NULL) sf_glad_eglDestroyImageKHR = (PFNEGLDESTROYIMAGEKHRPROC)sf_glad_eglDestroyImage;
+    if (sf_glad_eglDestroySync == NULL && sf_glad_eglDestroySyncKHR != NULL) sf_glad_eglDestroySync = (PFNEGLDESTROYSYNCPROC)sf_glad_eglDestroySyncKHR;
+    if (sf_glad_eglDestroySyncKHR == NULL && sf_glad_eglDestroySync != NULL) sf_glad_eglDestroySyncKHR = (PFNEGLDESTROYSYNCKHRPROC)sf_glad_eglDestroySync;
+}
+
 static int sf_glad_egl_get_extensions(EGLDisplay display, const char **extensions) {
     *extensions = eglQueryString(display, EGL_EXTENSIONS);
 
@@ -1250,6 +1287,10 @@ static int sf_glad_egl_has_extension(const char *extensions, const char *ext) {
     }
 }
 
+static GLADapiproc sf_glad_egl_get_proc_from_userptr(void *userptr, const char *name) {
+    return (GLAD_GNUC_EXTENSION (GLADapiproc (*)(const char *name)) userptr)(name);
+}
+
 static int sf_glad_egl_find_extensions_egl(EGLDisplay display) {
     const char *extensions;
     if (!sf_glad_egl_get_extensions(display, &extensions)) return 0;
@@ -1278,9 +1319,11 @@ static int sf_glad_egl_find_core_egl(EGLDisplay display) {
         display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
     }
 #endif
+#ifndef EGL_VERSION_1_5
     if (display == EGL_NO_DISPLAY) {
         return 0;
     }
+#endif
 
     version = eglQueryString(display, EGL_VERSION);
     (void) eglGetError();
@@ -1325,9 +1368,17 @@ static int gladLoadEGLUserPtr(EGLDisplay display, GLADuserptrloadfunc load, void
     sf_glad_egl_load_EGL_KHR_image_base(load, userptr);
     sf_glad_egl_load_EGL_KHR_reusable_sync(load, userptr);
 
+    sf_glad_egl_resolve_aliases();
+
     return version;
 }
 
+static int gladLoadEGL(EGLDisplay display, GLADloadfunc load) {
+    return gladLoadEGLUserPtr(display, sf_glad_egl_get_proc_from_userptr, GLAD_GNUC_EXTENSION (void*) load);
+}
+
+
+
 #ifdef SF_GLAD_EGL
 
 #ifndef GLAD_LOADER_LIBRARY_C_
@@ -1471,5 +1522,9 @@ static int gladLoaderLoadEGL(EGLDisplay display) {
 
 #endif /* SF_GLAD_EGL */
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* SF_GLAD_EGL_IMPLEMENTATION */