foo.patch

diff --git a/internal/renderers/skia/opengl_surface.rs b/internal/renderers/skia/opengl_surface.rs
index 9f861b171..3b2d2c08b 100644
--- a/internal/renderers/skia/opengl_surface.rs
+++ b/internal/renderers/skia/opengl_surface.rs
@@ -58,10 +58,32 @@ fn new(
             }
         };
 
+        let mut missing_functions: Vec<String> = Vec::new();
+
         let gl_interface = skia_safe::gpu::gl::Interface::new_load_with_cstr(|name| {
-            current_glutin_context.display().get_proc_address(name) as *const _
+                let result = current_glutin_context.display().get_proc_address(name);
+                if result.is_null() {
+                    missing_functions.push(name.to_str().unwrap().to_string());
+                }
+                result as *const _
         });
 
+        for f in missing_functions {
+            eprintln!("absent GL function pointer: {f}");
+        }
+
+        if gl_interface.is_none() {
+            return Err(format!("Skia GL interface could not be created.").into());
+        }
+
+        let gl_interface = gl_interface.unwrap();
+
+        if !gl_interface.validate() {
+            return Err(format!("Skia GL interface validation failed.").into());
+        }
+
+
+
         let mut gr_context =
             skia_safe::gpu::DirectContext::new_gl(gl_interface, None).ok_or_else(|| {
                 format!("Skia Renderer: Internal Error: Could not create Skia OpenGL interface")
@@ -216,7 +238,7 @@ fn init_glutin(
             } else if #[cfg(not(target_family = "windows"))] {
                 let prefs = [glutin::display::DisplayApiPreference::Egl];
             } else {
-                let prefs = [glutin::display::DisplayApiPreference::EglThenWgl(Some(_window_handle.raw_window_handle()))];
+                let prefs = [glutin::display::DisplayApiPreference::WglThenEgl(Some(_window_handle.raw_window_handle()))];
             }
         }
 
@@ -266,7 +288,7 @@ fn init_glutin(
 
                 let gles_context_attributes = ContextAttributesBuilder::new()
                     .with_context_api(ContextApi::Gles(Some(glutin::context::Version {
-                        major: 2,
+                        major: 3,
                         minor: 0,
                     })))
                     .build(Some(_window_handle.raw_window_handle()));