Check Opengl version is 3.3+ before creating a context.

gfx-rs · Jul 19, 2024 · aa50156 · aa50156
1 parent 12e07eb
commit aa50156
Showing 1 changed file with 31 additions and 1 deletion.
diff --git a/wgpu-hal/src/gles/egl.rs b/wgpu-hal/src/gles/egl.rs
@@ -532,12 +532,42 @@ impl Inner {
                 .query_string(Some(display), khronos_egl::CLIENT_APIS)
                 .unwrap()
                 .to_string_lossy();
-            client_apis
+            if client_apis
                 .split(' ')
                 .any(|client_api| client_api == "OpenGL")
+            {
+                // check if GL version is supported
+                egl.bind_api(khronos_egl::OPENGL_API).unwrap();
+                let ctx = egl
+                    .create_context(display, config, None, &[khronos_egl::NONE])
+                    .map_err(|e| {
+                        crate::InstanceError::with_source(
+                            String::from("unable to create GL context"),
+                            e,
+                        )
+                    })?;
+                let _ = egl.make_current(display, None, None, Some(ctx));
+                unsafe {
+                    let gl = glow::Context::from_loader_function(|name| {
+                        egl.get_proc_address(name)
+                            .map_or(ptr::null(), |p| p as *const _)
+                    });
+                    let gl_version_supported = *gl.version()
+                        >= (glow::Version {
+                            major: 3,
+                            minor: 3,
+                            ..gl.version().clone()
+                        });
+                    let _ = egl.destroy_context(display, ctx);
+                    gl_version_supported
+                }
+            } else {
+                false
+            }
         } else {
             false
         };
+
         egl.bind_api(if supports_opengl {
             khronos_egl::OPENGL_API
         } else {