diff --git a/gstreamer-gl/Gir.toml b/gstreamer-gl/Gir.toml
index 23341f286..f171caa48 100644
--- a/gstreamer-gl/Gir.toml
+++ b/gstreamer-gl/Gir.toml
@@ -507,3 +507,29 @@ status = "generate"
     name = "attach"
     # attachment_point parameter unchecked
     unsafe = true
+
+[[object]]
+name = "GstGL.GLFilter"
+status = "generate"
+
+    [[object.function]]
+    name = "add_rgba_pad_templates"
+    # Automatically called if
+    # GLFilterImpl::ADD_RGBA_PAD_TEMPLATES is true
+    ignore = true
+
+    [[object.function]]
+    pattern = "render_to_target\\w*"
+        [[object.function.parameter]]
+        pattern = "input|output"
+        const = true
+
+    [[object.function]]
+    name = "render_to_target"
+        [object.function.return]
+        bool_return_is_error = "`func` returned `false`"
+
+    [[object.function]]
+    name = "filter_texture"
+        [object.function.return]
+        bool_return_is_error = "Failed to transform texture"
diff --git a/gstreamer-gl/src/lib.rs b/gstreamer-gl/src/lib.rs
index ee6c6243d..2b271e797 100644
--- a/gstreamer-gl/src/lib.rs
+++ b/gstreamer-gl/src/lib.rs
@@ -58,3 +58,5 @@ pub mod prelude {
     pub use crate::gl_context::GLContextExtManual;
     pub use crate::gl_video_frame::VideoFrameGLExt;
 }
+
+pub mod subclass;
diff --git a/gstreamer-gl/src/subclass/gl_filter.rs b/gstreamer-gl/src/subclass/gl_filter.rs
index 58a6ee98f..20e55c4ac 100644
--- a/gstreamer-gl/src/subclass/gl_filter.rs
+++ b/gstreamer-gl/src/subclass/gl_filter.rs
@@ -21,6 +21,10 @@ pub enum GLFilterMode {
 
 pub trait GLFilterImpl: GLFilterImplExt + GLBaseFilterImpl {
     const MODE: GLFilterMode;
+    // rustdoc-stripper-ignore-next
+    /// Calls [`add_rgba_pad_templates`](ffi::gst_gl_filter_add_rgba_pad_templates)
+    /// in [`GLFilter::class_init`] if [`true`].
+    const ADD_RGBA_PAD_TEMPLATES: bool = true;
 
     fn set_caps(
         &self,
@@ -239,6 +243,10 @@ unsafe impl<T: GLFilterImpl> IsSubclassable<T> for GLFilter {
                 klass.filter_texture = Some(filter_texture::<T>);
             }
         }
+
+        if <T as GLFilterImpl>::ADD_RGBA_PAD_TEMPLATES {
+            unsafe { ffi::gst_gl_filter_add_rgba_pad_templates(klass) }
+        }
     }
 
     fn instance_init(instance: &mut glib::subclass::InitializingObject<T>) {