//
// Copyright 2021-2022 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// WindowSurfaceVkWayland.h:
//    Defines the class interface for WindowSurfaceVkWayland, implementing WindowSurfaceVk.
//

#ifndef LIBANGLE_RENDERER_VULKAN_WAYLAND_WINDOWSURFACEVKWAYLAND_H_
#define LIBANGLE_RENDERER_VULKAN_WAYLAND_WINDOWSURFACEVKWAYLAND_H_

#include "libANGLE/renderer/vulkan/SurfaceVk.h"

struct wl_display;
struct wl_egl_window;

namespace rx
{

class WindowSurfaceVkWayland : public WindowSurfaceVk
{
  public:
    // Requests of new sizes from client go through this callback, but actual resize will happen
    // before the next operation which would provoke a backbuffer to be pulled.
    static void ResizeCallback(wl_egl_window *window, void *payload);

    WindowSurfaceVkWayland(const egl::SurfaceState &surfaceState,
                           EGLNativeWindowType window,
                           wl_display *display);

    // On Wayland, currentExtent is undefined (0xFFFFFFFF, 0xFFFFFFFF).
    // Whatever the application sets a swapchain's imageExtent to will be the size of the window,
    // after the first image is presented
    egl::Error getUserWidth(const egl::Display *display, EGLint *value) const override;
    egl::Error getUserHeight(const egl::Display *display, EGLint *value) const override;

    angle::Result getAttachmentRenderTarget(const gl::Context *context,
                                            GLenum binding,
                                            const gl::ImageIndex &imageIndex,
                                            GLsizei samples,
                                            FramebufferAttachmentRenderTarget **rtOut) override;

  private:
    angle::Result createSurfaceVk(vk::Context *context, gl::Extents *extentsOut) override;
    angle::Result getCurrentWindowSize(vk::Context *context, gl::Extents *extentsOut) override;

    wl_display *mWaylandDisplay;
    gl::Extents mExtents;
    bool mResized;
};

}  // namespace rx

#endif  // LIBANGLE_RENDERER_VULKAN_WAYLAND_WINDOWSURFACEVKWAYLAND_H_