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1 /*
2  * Copyright (C) 2016 Google, Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef SHELL_XCB_H
18 #define SHELL_XCB_H
19 
20 #include <xcb/xcb.h>
21 #include "Shell.h"
22 
23 class ShellXcb : public Shell {
24    public:
25     ShellXcb(Game &game);
26     ~ShellXcb();
27 
28     void run();
quit()29     void quit() { quit_ = true; }
30 
31    private:
32     void init_connection();
33 
34     PFN_vkGetInstanceProcAddr load_vk();
35     bool can_present(VkPhysicalDevice phy, uint32_t queue_family);
36 
37     void create_window();
38     VkSurfaceKHR create_surface(VkInstance instance);
39 
40     void handle_event(const xcb_generic_event_t *ev);
41     void loop_wait();
42     void loop_poll();
43 
44     xcb_connection_t *c_;
45     xcb_screen_t *scr_;
46     xcb_window_t win_;
47 
48     xcb_atom_t wm_protocols_;
49     xcb_atom_t wm_delete_window_;
50 
51     void *lib_handle_;
52 
53     bool quit_;
54 };
55 
56 #endif  // SHELL_XCB_H
57