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kmsutils: add VideoDevice
[android/external-libkmsxx.git] / kmscube / cube-x11.cpp
index 7f01ae840827f513e4d744b7fea40eab4bf0af88..dca59c875551acbba527cb31e68f4e4cdcd7761a 100644 (file)
 
 #include <X11/Xlib-xcb.h>
+#include <X11/Xlibint.h>
 
+#include "cube.h"
 #include "cube-egl.h"
 #include "cube-gles2.h"
 
-#include "test.h"
+#include <kms++util/kms++util.h>
 
 using namespace std;
 
+static void main_loop(Display* dpy, xcb_connection_t *c, xcb_window_t window, uint32_t width, uint32_t height)
+{
+       EglState egl(dpy);
+       EglSurface surface(egl, (void*)(uintptr_t)window);
+       GlScene scene;
+
+       scene.set_viewport(width, height);
+
+       unsigned framenum = 0;
+
+       surface.make_current();
+       surface.swap_buffers();
+
+       bool need_exit = false;
+
+       xcb_generic_event_t *event;
+       while (true) {
+
+               while ((event = xcb_poll_for_event (c))) {
+                       bool handled = false;
+                       uint8_t response_type = event->response_type & ~0x80;
+
+                       switch (response_type) {
+                       case XCB_EXPOSE: {
+                               handled = true;
+                               break;
+                       }
+                       case XCB_KEY_PRESS: {
+                               handled = true;
+
+                               xcb_key_press_event_t *kp = (xcb_key_press_event_t *)event;
+                               if (kp->detail == 24) {
+                                       printf("Exit due to keypress\n");
+                                       need_exit = true;
+                               }
+
+                               break;
+                       }
+                       }
+
+                       if (!handled) {
+                               // Check if a custom XEvent constructor was registered in xlib for this event type, and call it discarding the constructed XEvent if any.
+                               // XESetWireToEvent might be used by libraries to intercept messages from the X server e.g. the OpenGL lib waiting for DRI2 events.
+
+                               XLockDisplay(dpy);
+                               Bool (*proc)(Display*, XEvent*, xEvent*) = XESetWireToEvent(dpy, response_type, NULL);
+                               if (proc) {
+                                       XESetWireToEvent(dpy, response_type, proc);
+                                       XEvent dummy;
+                                       event->sequence = LastKnownRequestProcessed(dpy);
+                                       proc(dpy, &dummy, (xEvent*)event);
+                               }
+                               XUnlockDisplay(dpy);
+                       }
+
+                       free(event);
+               }
+
+               if (s_num_frames && framenum >= s_num_frames)
+                       need_exit = true;
+
+               if (need_exit)
+                       break;
+
+               // this should be in XCB_EXPOSE, but we don't get the event after swaps...
+               scene.draw(framenum++);
+               surface.swap_buffers();
+       }
+}
+
 void main_x11()
 {
-       Display* display = XOpenDisplay(NULL);
+       Display* dpy = XOpenDisplay(NULL);
+       FAIL_IF(!dpy, "Failed to connect to the X server");
 
-       xcb_connection_t *connection = XGetXCBConnection(display);
+       xcb_connection_t *c = XGetXCBConnection(dpy);
+
+       /* Acquire event queue ownership */
+       XSetEventQueueOwner(dpy, XCBOwnsEventQueue);
 
        /* Get the first screen */
-       const xcb_setup_t      *setup  = xcb_get_setup (connection);
+       const xcb_setup_t      *setup  = xcb_get_setup (c);
        xcb_screen_t           *screen = xcb_setup_roots_iterator (setup).data;
 
        /* Create the window */
 
-       uint32_t width = 600;
-       uint32_t height = 600;
+       uint32_t width;
+       uint32_t height;
+
+       if (s_fullscreen) {
+               width = screen->width_in_pixels;
+               height = screen->height_in_pixels;
+       } else {
+               width = 600;
+               height = 600;
+       }
 
-       const uint32_t xcb_window_attrib_mask = XCB_CW_EVENT_MASK;
+       const uint32_t xcb_window_attrib_mask = XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK;
        const uint32_t xcb_window_attrib_list[] = {
-               XCB_EVENT_MASK_EXPOSURE,
+               // OVERRIDE_REDIRECT
+               0,
+               // EVENT_MASK
+               XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_KEY_PRESS,
        };
 
-       xcb_window_t window = xcb_generate_id (connection);
-       xcb_create_window (connection,                    /* Connection          */
+       xcb_window_t window = xcb_generate_id (c);
+       xcb_create_window (c,                    /* Connection          */
                           XCB_COPY_FROM_PARENT,          /* depth (same as root)*/
                           window,                        /* window Id           */
                           screen->root,                  /* parent window       */
@@ -41,27 +128,27 @@ void main_x11()
                           xcb_window_attrib_mask,
                           xcb_window_attrib_list);
 
-       xcb_map_window (connection, window);
-       xcb_flush (connection);
+#if 0 // Doesn't work
+       if (s_fullscreen) {
 
-       EglState egl(display);
-       EglSurface surface(egl, (void*)(uintptr_t)window);
-       GlScene scene;
+               xcb_intern_atom_cookie_t cookie = xcb_intern_atom(c, 0, 12, "_NET_WM_STATE");
+               xcb_intern_atom_reply_t* reply = xcb_intern_atom_reply(c, cookie, 0);
 
-       scene.set_viewport(width, height);
+               xcb_intern_atom_cookie_t cookie2 = xcb_intern_atom(c, 0, 24, "_NET_WM_STATE_FULLSCREEN");
+               xcb_intern_atom_reply_t* reply2 = xcb_intern_atom_reply(c, cookie2, 0);
 
-       int framenum = 0;
+               xcb_change_property(c, XCB_PROP_MODE_REPLACE, window, reply->atom, XCB_ATOM_ATOM , 32, 1, (void*)&reply2->atom);
+       }
+#endif
 
-       surface.make_current();
-       surface.swap_buffers();
+       xcb_map_window (c, window);
+       xcb_flush (c);
 
-       xcb_generic_event_t *event;
-       while ( (event = xcb_poll_for_event (connection)) ) {
+       main_loop(dpy, c, window, width, height);
 
-               surface.make_current();
-               scene.draw(framenum++);
-               surface.swap_buffers();
-       }
+       xcb_flush(c);
+       xcb_unmap_window(c, window);
+       xcb_destroy_window(c, window);
 
-       xcb_disconnect (connection);
+       XCloseDisplay(dpy);
 }