1 files changed, 24 insertions, 0 deletions
diff --git a/graphics/src/window/gl_compositor.rs b/graphics/src/window/gl_compositor.rs
new file mode 100644
index 00000000..979d891e
--- /dev/null
+++ b/graphics/src/window/gl_compositor.rs
@@ -0,0 +1,24 @@
+use crate::{Size, Viewport};
+use iced_native::mouse;
+
+use core::ffi::c_void;
+
+pub trait GLCompositor: Sized {
+    type Renderer: iced_native::Renderer;
+    type Settings: Default;
+
+    unsafe fn new(
+        settings: Self::Settings,
+        loader_function: impl FnMut(&str) -> *const c_void,
+    ) -> (Self, Self::Renderer);
+
+    fn resize_viewport(&mut self, physical_size: Size<u32>);
+
+    fn draw<T: AsRef<str>>(
+        &mut self,
+        renderer: &mut Self::Renderer,
+        viewport: &Viewport,
+        output: &<Self::Renderer as iced_native::Renderer>::Output,
+        overlay: &[T],
+    ) -> mouse::Interaction;
+}