From e4b918b38407401d2129b01b3271b2df00136e7b Mon Sep 17 00:00:00 2001
From: Alberto Torres <kungfoobar@gmail.com>
Date: Wed, 4 Sep 2024 02:44:26 +0200
Subject: [PATCH] Call `gladLoadGLES2` in mobile to properly detect supported
 extensions.

---
 src/platform/generic.nim   | 4 ++++
 src/platform/glfm_wrap.nim | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/src/platform/generic.nim b/src/platform/generic.nim
index 83ea793..be693ba 100644
--- a/src/platform/generic.nim
+++ b/src/platform/generic.nim
@@ -103,6 +103,10 @@ proc init_graphics*(engine: MyouEngine, width, height: int32, title: string,
     let rev = opengl_version mod 10
     assert major >= 3
 
+    if not gladLoadGLES2(nil):
+        echo "Could not initialize OpenGL"
+        quit -1
+
     engine.renderer.enqueue proc()=
         when not defined(release) and not defined(emscripten):
             proc f(source: GLenum, etype: GLenum, id: GLuint, severity: GLenum, length: GLsizei, message: cstring, userParam: pointer) {.stdcall.} =
diff --git a/src/platform/glfm_wrap.nim b/src/platform/glfm_wrap.nim
index 28ec0ef..d8b68a4 100644
--- a/src/platform/glfm_wrap.nim
+++ b/src/platform/glfm_wrap.nim
@@ -227,10 +227,14 @@ proc init_graphics*(engine: MyouEngine, width, height: int32, title: string,
     window.glfmSetSurfaceCreatedFunc proc(window: Window, w,h: cint) {.cdecl.} =
         # force resize
         window.screen = window.screen
+        if not gladLoadGLES2(nil):
+            echo "Could not initialize OpenGL"
+            quit -1
         window.screen.engine.renderer.initialize()
 
     window.glfmSetSurfaceDestroyedFunc proc(window: Window) {.cdecl.} =
         window.screen.engine.renderer.uninitialize()
+
     
     when not defined(release) and not defined(emscripten):
         proc f(source: GLenum, etype: GLenum, id: GLuint, severity: GLenum, length: GLsizei, message: cstring, userParam: pointer) {.stdcall.} =