Added fullscreen support for X11

This commit is contained in:
David Partouche 2014-09-04 11:38:33 +02:00 committed by Tomaka17
parent d8171a0c73
commit b149fca83d
3 changed files with 104 additions and 26 deletions

View file

@ -7,9 +7,9 @@
//! platforms as possible.
//!
//! # Building a window
//!
//!
//! There are two ways to create a window:
//!
//!
//! - Calling `Window::new()`.
//! - Calling `let builder = WindowBuilder::new()` then `builder.build()`.
//!
@ -58,6 +58,7 @@ pub struct WindowBuilder {
title: String,
monitor: Option<winimpl::MonitorID>,
gl_version: Option<(uint, uint)>,
is_fullscreen: bool,
}
impl WindowBuilder {
@ -68,6 +69,7 @@ impl WindowBuilder {
title: "gl-init-rs window".to_string(),
monitor: None,
gl_version: None,
is_fullscreen: false,
}
}
@ -91,6 +93,7 @@ impl WindowBuilder {
pub fn with_fullscreen(mut self, monitor: MonitorID) -> WindowBuilder {
let MonitorID(monitor) = monitor;
self.monitor = Some(monitor);
self.is_fullscreen = true;
self
}
@ -104,7 +107,7 @@ impl WindowBuilder {
}
/// Builds the window.
///
///
/// Error should be very rare and only occur in case of permission denied, incompatible system,
/// out of memory, etc.
pub fn build(mut self) -> Result<Window, String> {
@ -129,16 +132,16 @@ impl WindowBuilder {
///
/// ```ignore
/// let window = Window::new().unwrap();
///
///
/// unsafe { window.make_current() };
///
///
/// loop {
/// for event in window.poll_events() {
/// // process events here
/// _ => ()
/// }
/// }
///
///
/// // draw everything here
///
/// window.swap_buffers();
@ -159,7 +162,7 @@ impl Window {
/// Creates a new OpenGL context, and a Window for platforms where this is appropriate.
///
/// This function is equivalent to `WindowBuilder::new().build()`.
///
///
/// Error should be very rare and only occur in case of permission denied, incompatible system,
/// out of memory, etc.
#[inline]
@ -249,7 +252,7 @@ impl Window {
}
/// Returns an iterator to all the events that are currently in the window's events queue.
///
///
/// Contrary to `wait_events`, this function never blocks.
#[inline]
pub fn poll_events(&self) -> PollEventsIterator {
@ -258,7 +261,7 @@ impl Window {
/// Waits for an event, then returns an iterator to all the events that are currently
/// in the window's events queue.
///
///
/// If there are no events in queue when you call the function,
/// this function will block until there is one.
#[inline]

View file

@ -1337,8 +1337,26 @@ pub struct XButtonEvent {
pub same_screen: Bool,
}
#[repr(C)]
pub struct XF86VidModeModeInfo {
pub dotclock: libc::c_uint,
pub hdisplay: libc::c_ushort,
pub hsyncstart: libc::c_ushort,
pub hsyncend: libc::c_ushort,
pub htotal: libc::c_ushort,
pub hskew: libc::c_ushort,
pub vdisplay: libc::c_ushort,
pub vsyncstart: libc::c_ushort,
pub vsyncend: libc::c_ushort,
pub vtotal: libc::c_ushort,
pub flags: libc::c_uint,
privsize: libc::c_int,
private: libc::c_long,
}
#[link(name = "GL")]
#[link(name = "X11")]
#[link(name = "Xxf86vm")]
extern "C" {
pub fn XCloseDisplay(display: *mut Display);
pub fn XCheckMaskEvent(display: *mut Display, event_mask: libc::c_long,
@ -1408,6 +1426,12 @@ extern "C" {
pub fn glXSwapBuffers(dpy: *mut Display, drawable: GLXDrawable);
pub fn XkbSetDetectableAutoRepeat(dpy: *mut Display, detectable: bool, supported_rtm: *mut bool) -> bool;
pub fn XF86VidModeSwitchToMode(dpy: *mut Display, screen: libc::c_int,
modeline: *mut XF86VidModeModeInfo) -> Bool;
pub fn XF86VidModeSetViewPort(dpy: *mut Display, screen: libc::c_int,
x: libc::c_int, y: libc::c_int) -> Bool;
pub fn XF86VidModeGetAllModeLines(dpy: *mut Display, screen: libc::c_int,
modecount_return: *mut libc::c_int, modesinfo: *mut *mut *mut XF86VidModeModeInfo) -> Bool;
}
/*

View file

@ -14,16 +14,19 @@ pub struct Window {
context: ffi::GLXContext,
is_closed: AtomicBool,
wm_delete_window: ffi::Atom,
xf86_desk_mode: *mut ffi::XF86VidModeModeInfo,
screen_id: libc::c_int,
is_fullscreen: bool,
}
pub struct MonitorID(uint);
pub fn get_available_monitors() -> Vec<MonitorID> {
unimplemented!()
vec![get_primary_monitor()]
}
pub fn get_primary_monitor() -> MonitorID {
unimplemented!()
MonitorID(0u)
}
impl MonitorID {
@ -32,14 +35,15 @@ impl MonitorID {
}
pub fn get_dimensions(&self) -> (uint, uint) {
unimplemented!()
//unimplemented!()
// TODO: Get the real dimensions from the monitor
(1024, 768)
}
}
impl Window {
pub fn new(builder: WindowBuilder) -> Result<Window, String> {
// TODO: temporary
let dimensions = builder.dimensions;
let dimensions = builder.dimensions.unwrap_or((800, 600));
// calling XOpenDisplay
let display = unsafe {
@ -50,7 +54,9 @@ impl Window {
display
};
// TODO: set error handler?
let screen_id = unsafe {
ffi::XDefaultScreen(display)
};
// getting the FBConfig
let fb_config = unsafe {
@ -81,6 +87,31 @@ impl Window {
preferred_fb
};
let mut best_mode = -1;
let modes = unsafe {
let mut mode_num: libc::c_int = mem::uninitialized();
let mut modes: *mut *mut ffi::XF86VidModeModeInfo = mem::uninitialized();
if ffi::XF86VidModeGetAllModeLines(display, screen_id, &mut mode_num, &mut modes) == 0 {
return Err(format!("Could not query the video modes"));
}
for i in range(0, mode_num) {
let mode: ffi::XF86VidModeModeInfo = **modes.offset(i as int);
if mode.hdisplay == dimensions.val0() as u16 && mode.vdisplay == dimensions.val1() as u16 {
best_mode = i;
}
};
if best_mode == -1 {
return Err(format!("Could not find a suitable graphics mode"));
}
modes
};
let xf86_desk_mode = unsafe {
*modes.offset(0)
};
// getting the visual infos
let visual_infos = unsafe {
let vi = ffi::glXGetVisualFromFBConfig(display, fb_config);
@ -109,18 +140,28 @@ impl Window {
swa.colormap = cmap;
swa.event_mask = ffi::ExposureMask | ffi::ResizeRedirectMask |
ffi::VisibilityChangeMask | ffi::KeyPressMask | ffi::PointerMotionMask |
ffi::KeyPressMask | ffi::KeyReleaseMask | ffi::ButtonPressMask |
ffi::KeyReleaseMask | ffi::ButtonPressMask |
ffi::ButtonReleaseMask | ffi::KeymapStateMask;
swa.border_pixel = 0;
swa.override_redirect = 0;
swa
};
let mut window_attributes = ffi::CWBorderPixel | ffi::CWColormap | ffi:: CWEventMask;
if builder.is_fullscreen {
window_attributes |= ffi::CWOverrideRedirect;
unsafe {
ffi::XF86VidModeSwitchToMode(display, screen_id, *modes.offset(best_mode as int));
ffi::XF86VidModeSetViewPort(display, screen_id, 0, 0);
set_win_attr.override_redirect = 1;
}
}
// finally creating the window
let window = unsafe {
let dimensions = dimensions.unwrap_or((800, 600));
let win = ffi::XCreateWindow(display, root, 50, 50, dimensions.val0() as libc::c_uint,
dimensions.val1() as libc::c_uint, 0, visual_infos.depth, ffi::InputOutput,
visual_infos.visual, ffi::CWColormap | ffi::CWEventMask,
visual_infos.visual, window_attributes,
&mut set_win_attr);
win
};
@ -148,7 +189,7 @@ impl Window {
addr = ffi::glXGetProcAddress(b"glXCreateContextAttribsARB".as_ptr()
as *const u8) as *const ();
}
addr.to_option().map(|addr| {
let addr: extern "system" fn(*mut ffi::Display, ffi::GLXFBConfig, ffi::GLXContext,
ffi::Bool, *const libc::c_int) -> ffi::GLXContext = mem::transmute(addr);
@ -202,13 +243,13 @@ impl Window {
}
attributes.push(0);
let context = if create_context_attribs.is_some() {
let create_context_attribs = create_context_attribs.unwrap();
create_context_attribs(display, fb_config, ptr::null(), 1,
attributes.as_ptr())
} else {
ffi::glXCreateNewContext(display, fb_config, ffi::GLX_RGBA_TYPE, ptr::null(), 1)
ffi::glXCreateContext(display, &visual_infos, ptr::null(), 1)
};
if context.is_null() {
@ -227,6 +268,9 @@ impl Window {
context: context,
is_closed: AtomicBool::new(false),
wm_delete_window: wm_delete_window,
xf86_desk_mode: xf86_desk_mode,
screen_id: screen_id,
is_fullscreen: builder.is_fullscreen,
};
// calling glViewport
@ -300,9 +344,9 @@ impl Window {
pub fn poll_events(&self) -> Vec<Event> {
use std::mem;
let mut events = Vec::new();
loop {
use std::num::Bounded;
@ -362,7 +406,7 @@ impl Window {
let mut buffer: [u8, ..16] = [mem::uninitialized(), ..16];
let raw_ev: *mut ffi::XKeyEvent = event;
let count = ffi::Xutf8LookupString(self.ic, mem::transmute(raw_ev),
let count = ffi::Xutf8LookupString(self.ic, mem::transmute(raw_ev),
mem::transmute(buffer.as_mut_ptr()),
buffer.len() as libc::c_int, ptr::mut_null(), ptr::mut_null());
@ -402,7 +446,7 @@ impl Window {
};
match button {
Some(button) =>
Some(button) =>
events.push(MouseInput(state, button)),
None => ()
};
@ -457,7 +501,14 @@ impl Window {
impl Drop for Window {
fn drop(&mut self) {
unsafe { ffi::glXMakeCurrent(self.display, 0, ptr::null()); }
unsafe { ffi::glXDestroyContext(self.display, self.context); }
if self.is_fullscreen {
unsafe { ffi::XF86VidModeSwitchToMode(self.display, self.screen_id, self.xf86_desk_mode); }
unsafe { ffi::XF86VidModeSetViewPort(self.display, self.screen_id, 0, 0); }
}
unsafe { ffi::XDestroyIC(self.ic); }
unsafe { ffi::XCloseIM(self.im); }
unsafe { ffi::XDestroyWindow(self.display, self.window); }