kmscube/cube-x11.cpp

   1
   2 #include <X11/Xlib-xcb.h>
   3
   4 #include "cube-egl.h"
   5 #include "cube-gles2.h"
   6
   7 #include "test.h"
   8
   9 using namespace std;
  10
  11 void main_x11()
  12 {
  13         Display* display = XOpenDisplay(NULL);
  14
  15         xcb_connection_t *connection = XGetXCBConnection(display);
  16
  17         /* Get the first screen */
  18         const xcb_setup_t      *setup  = xcb_get_setup (connection);
  19         xcb_screen_t           *screen = xcb_setup_roots_iterator (setup).data;
  20
  21         /* Create the window */
  22
  23         uint32_t width = 600;
  24         uint32_t height = 600;
  25
  26         const uint32_t xcb_window_attrib_mask = XCB_CW_EVENT_MASK;
  27         const uint32_t xcb_window_attrib_list[] = {
  28                 XCB_EVENT_MASK_EXPOSURE,
  29         };
  30
  31         xcb_window_t window = xcb_generate_id (connection);
  32         xcb_create_window (connection,                    /* Connection          */
  33                            XCB_COPY_FROM_PARENT,          /* depth (same as root)*/
  34                            window,                        /* window Id           */
  35                            screen->root,                  /* parent window       */
  36                            0, 0,                          /* x, y                */
  37                            width, height,                 /* width, height       */
  38                            0,                             /* border_width        */
  39                            XCB_WINDOW_CLASS_INPUT_OUTPUT, /* class               */
  40                            screen->root_visual,           /* visual              */
  41                            xcb_window_attrib_mask,
  42                            xcb_window_attrib_list);
  43
  44         xcb_map_window (connection, window);
  45         xcb_flush (connection);
  46
  47         EglState egl(display);
  48         EglSurface surface(egl, (void*)(uintptr_t)window);
  49         GlScene scene;
  50
  51         scene.set_viewport(width, height);
  52
  53         int framenum = 0;
  54
  55         surface.make_current();
  56         surface.swap_buffers();
  57
  58         xcb_generic_event_t *event;
  59         while ( (event = xcb_poll_for_event (connection)) ) {
  60
  61                 surface.make_current();
  62                 scene.draw(framenum++);
  63                 surface.swap_buffers();
  64         }
  65
  66         xcb_disconnect (connection);
  67 }