kmscube: hacking
[android/external-libkmsxx.git] / kmscube / cube-x11.cpp
2 #include <X11/Xlib-xcb.h>
4 #include "cube.h"
5 #include "cube-egl.h"
6 #include "cube-gles2.h"
8 #include "test.h"
10 using namespace std;
12 void main_x11()
13 {
14         Display* dpy = XOpenDisplay(NULL);
16         xcb_connection_t *c = XGetXCBConnection(dpy);
18         /* Acquire event queue ownership */
19         XSetEventQueueOwner(dpy, XCBOwnsEventQueue);
21         /* Get the first screen */
22         const xcb_setup_t      *setup  = xcb_get_setup (c);
23         xcb_screen_t           *screen = xcb_setup_roots_iterator (setup).data;
25         /* Create the window */
27         uint32_t width;
28         uint32_t height;
30         if (s_fullscreen) {
31                 width = screen->width_in_pixels;
32                 height = screen->height_in_pixels;
33         } else {
34                 width = 600;
35                 height = 600;
36         }
38         const uint32_t xcb_window_attrib_mask = XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK;
39         const uint32_t xcb_window_attrib_list[] = {
40                 // OVERRIDE_REDIRECT
41                 0,
42                 // EVENT_MASK
43                 XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_KEY_PRESS,
44         };
46         xcb_window_t window = xcb_generate_id (c);
47         xcb_create_window (c,                    /* Connection          */
48                            XCB_COPY_FROM_PARENT,          /* depth (same as root)*/
49                            window,                        /* window Id           */
50                            screen->root,                  /* parent window       */
51                            0, 0,                          /* x, y                */
52                            width, height,                 /* width, height       */
53                            0,                             /* border_width        */
54                            XCB_WINDOW_CLASS_INPUT_OUTPUT, /* class               */
55                            screen->root_visual,           /* visual              */
56                            xcb_window_attrib_mask,
57                            xcb_window_attrib_list);
59 #if 0 // Doesn't work
60         if (s_fullscreen) {
62                 xcb_intern_atom_cookie_t cookie = xcb_intern_atom(c, 0, 12, "_NET_WM_STATE");
63                 xcb_intern_atom_reply_t* reply = xcb_intern_atom_reply(c, cookie, 0);
65                 xcb_intern_atom_cookie_t cookie2 = xcb_intern_atom(c, 0, 24, "_NET_WM_STATE_FULLSCREEN");
66                 xcb_intern_atom_reply_t* reply2 = xcb_intern_atom_reply(c, cookie2, 0);
68                 xcb_change_property(c, XCB_PROP_MODE_REPLACE, window, reply->atom, XCB_ATOM_ATOM , 32, 1, (void*)&reply2->atom);
69         }
70 #endif
72         xcb_map_window (c, window);
73         xcb_flush (c);
75         {
76                 EglState egl(dpy);
77                 EglSurface surface(egl, (void*)(uintptr_t)window);
78                 GlScene scene;
80                 scene.set_viewport(width, height);
82                 unsigned framenum = 0;
84                 surface.make_current();
85                 surface.swap_buffers();
87                 bool need_exit = false;
89                 xcb_generic_event_t *event;
90                 while (!need_exit && (event = xcb_wait_for_event (c))) {
91                         switch (event->response_type & ~0x80) {
92                         case XCB_EXPOSE: {
94                                 break;
95                         }
96                         case XCB_KEY_PRESS: {
97                                 xcb_key_press_event_t *kp = (xcb_key_press_event_t *)event;
98                                 if (kp->detail == 24) {
99                                         printf("Exit due to keypress\n");
100                                         need_exit = true;
101                                 }
103                                 break;
104                         }
105                         }
107                         free(event);
109                         if (s_num_frames && framenum >= s_num_frames)
110                                 need_exit = true;
112                         // this should be in XCB_EXPOSE, but we don't get the event after swaps...
113                         scene.draw(framenum++);
114                         surface.swap_buffers();
115                 }
116         }
118         xcb_flush(c);
119         xcb_unmap_window(c, window);
120         xcb_destroy_window(c, window);
122         XCloseDisplay(dpy);