kmscube: quick hack for fullscreen

3 files changed, 40 insertions, 10 deletions

diff --git a/kmscube/cube-x11.cpp b/kmscube/cube-x11.cpp
index 7f01ae8..648384d 100644
--- a/kmscube/cube-x11.cpp
+++ b/kmscube/cube-x11.cpp
@@ -1,6 +1,7 @@
 
 #include <X11/Xlib-xcb.h>
 
+#include "cube.h"
 #include "cube-egl.h"
 #include "cube-gles2.h"
 
@@ -12,24 +13,32 @@ void main_x11()
 {
 	Display* display = XOpenDisplay(NULL);
 
-	xcb_connection_t *connection = XGetXCBConnection(display);
+	xcb_connection_t *c = XGetXCBConnection(display);
 
 	/* 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_list[] = {
 		XCB_EVENT_MASK_EXPOSURE,
 	};
 
-	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       */
@@ -41,8 +50,22 @@ 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) {
+
+		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);
+
+		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);
+
+		xcb_change_property(c, XCB_PROP_MODE_REPLACE, window, reply->atom, XCB_ATOM_ATOM , 32, 1, (void*)&reply2->atom);
+	}
+#endif
+
+	xcb_map_window (c, window);
+	xcb_flush (c);
 
 	EglState egl(display);
 	EglSurface surface(egl, (void*)(uintptr_t)window);
@@ -56,12 +79,12 @@ void main_x11()
 	surface.swap_buffers();
 
 	xcb_generic_event_t *event;
-	while ( (event = xcb_poll_for_event (connection)) ) {
+	while ( (event = xcb_poll_for_event (c)) ) {
 
 		surface.make_current();
 		scene.draw(framenum++);
 		surface.swap_buffers();
 	}
 
-	xcb_disconnect (connection);
+	xcb_disconnect (c);
 }
diff --git a/kmscube/cube.cpp b/kmscube/cube.cpp
index 14c340a..eb2f613 100644
--- a/kmscube/cube.cpp
+++ b/kmscube/cube.cpp
@@ -32,6 +32,7 @@
 using namespace std;
 
 bool s_verbose;
+bool s_fullscreen;
 
 int main(int argc, char *argv[])
 {
@@ -41,6 +42,11 @@ int main(int argc, char *argv[])
 		{
 			s_verbose = true;
 		}),
+		Option("f|fullscreen",
+		[&]()
+		{
+			s_fullscreen = true;
+		}),
 	};
 
 	optionset.parse(argc, argv);
diff --git a/kmscube/cube.h b/kmscube/cube.h
index 8245f0b..9a2acb7 100644
--- a/kmscube/cube.h
+++ b/kmscube/cube.h
@@ -1,6 +1,7 @@
 #pragma once
 
 extern bool s_verbose;
+extern bool s_fullscreen;
 
 void main_null();
 void main_gbm();