// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT

use glib::object::IsA;
use glib::translate::*;
use gst;
use gst_gl_sys;
use std::mem;
use GLContext;

glib_wrapper! {
    /// A `GLFramebuffer` represents and holds an OpenGL framebuffer object with
    /// it's associated attachments.
    ///
    /// A `GLFramebuffer` can be created with `GLFramebuffer::new` or
    /// `GLFramebuffer::new_with_default_depth` and bound with
    /// `GLFramebufferExt::bind`. Other resources can be bound with
    /// `GLFramebufferExt::attach`
    ///
    /// Note: OpenGL framebuffers are not shareable resources so cannot be used
    /// between multiple OpenGL contexts.
    ///
    /// # Implements
    ///
    /// [`GLFramebufferExt`](trait.GLFramebufferExt.html), [`gst::ObjectExt`](../gst/trait.ObjectExt.html), [`glib::object::ObjectExt`](../glib/object/trait.ObjectExt.html)
    pub struct GLFramebuffer(Object<gst_gl_sys::GstGLFramebuffer, gst_gl_sys::GstGLFramebufferClass, GLFramebufferClass>) @extends gst::Object;

    match fn {
        get_type => || gst_gl_sys::gst_gl_framebuffer_get_type(),
    }
}

impl GLFramebuffer {
    /// ## `context`
    /// a `GLContext`
    ///
    /// # Returns
    ///
    /// a new `GLFramebuffer`
    pub fn new<P: IsA<GLContext>>(context: &P) -> GLFramebuffer {
        skip_assert_initialized!();
        unsafe {
            from_glib_full(gst_gl_sys::gst_gl_framebuffer_new(
                context.as_ref().to_glib_none().0,
            ))
        }
    }

    /// ## `context`
    /// a `GLContext`
    /// ## `width`
    /// width for the depth buffer
    /// ## `height`
    /// for the depth buffer
    ///
    /// # Returns
    ///
    /// a new `GLFramebuffer` with a depth buffer of `width` and `height`
    pub fn new_with_default_depth<P: IsA<GLContext>>(
        context: &P,
        width: u32,
        height: u32,
    ) -> GLFramebuffer {
        skip_assert_initialized!();
        unsafe {
            from_glib_none(gst_gl_sys::gst_gl_framebuffer_new_with_default_depth(
                context.as_ref().to_glib_none().0,
                width,
                height,
            ))
        }
    }
}

unsafe impl Send for GLFramebuffer {}
unsafe impl Sync for GLFramebuffer {}

pub const NONE_GL_FRAMEBUFFER: Option<&GLFramebuffer> = None;

/// Trait containing all `GLFramebuffer` methods.
///
/// # Implementors
///
/// [`GLFramebuffer`](struct.GLFramebuffer.html)
pub trait GLFramebufferExt: 'static {
    //fn attach(&self, attachment_point: u32, mem: /*Ignored*/&mut GLBaseMemory);

    /// Bind `self` into the current thread
    fn bind(&self);

    //fn draw_to_texture(&self, mem: /*Ignored*/&mut GLMemory, func: /*Unimplemented*/FnMut(/*Unimplemented*/Option<Fundamental: Pointer>) -> bool, user_data: /*Unimplemented*/Option<Fundamental: Pointer>) -> bool;

    /// Retreive the effective dimensions from the current attachments attached to
    /// `self`.
    /// ## `width`
    /// output width
    /// ## `height`
    /// output height
    fn get_effective_dimensions(&self) -> (u32, u32);

    ///
    /// # Returns
    ///
    /// the OpenGL id for `self`
    fn get_id(&self) -> u32;
}

impl<O: IsA<GLFramebuffer>> GLFramebufferExt for O {
    //fn attach(&self, attachment_point: u32, mem: /*Ignored*/&mut GLBaseMemory) {
    //    unsafe { TODO: call gst_gl_sys:gst_gl_framebuffer_attach() }
    //}

    fn bind(&self) {
        unsafe {
            gst_gl_sys::gst_gl_framebuffer_bind(self.as_ref().to_glib_none().0);
        }
    }

    //fn draw_to_texture(&self, mem: /*Ignored*/&mut GLMemory, func: /*Unimplemented*/FnMut(/*Unimplemented*/Option<Fundamental: Pointer>) -> bool, user_data: /*Unimplemented*/Option<Fundamental: Pointer>) -> bool {
    //    unsafe { TODO: call gst_gl_sys:gst_gl_framebuffer_draw_to_texture() }
    //}

    fn get_effective_dimensions(&self) -> (u32, u32) {
        unsafe {
            let mut width = mem::MaybeUninit::uninit();
            let mut height = mem::MaybeUninit::uninit();
            gst_gl_sys::gst_gl_framebuffer_get_effective_dimensions(
                self.as_ref().to_glib_none().0,
                width.as_mut_ptr(),
                height.as_mut_ptr(),
            );
            let width = width.assume_init();
            let height = height.assume_init();
            (width, height)
        }
    }

    fn get_id(&self) -> u32 {
        unsafe { gst_gl_sys::gst_gl_framebuffer_get_id(self.as_ref().to_glib_none().0) }
    }
}