leyoda/winit
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Now using glXChooseFBConfig

Browse source
This commit is contained in:
Pierre Krieger 2014-08-07 17:35:26 +02:00
parent ed3ed47ad8
commit c7aa219ef1
2 changed files with 41 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

51
src/x11/mod.rs
View file

@ -51,23 +51,46 @@ impl Window {
display
};
// TODO: set error handler
// TODO: set error handler?
static VISUAL_ATTRIBUTES: [libc::c_int, ..5] = [
ffi::GLX_RGBA,
ffi::GLX_DEPTH_SIZE,
24,
ffi::GLX_DOUBLEBUFFER,
0
];
// getting the FBConfig
let fb_config = unsafe {
static VISUAL_ATTRIBUTES: [libc::c_int, ..23] = [
ffi::GLX_X_RENDERABLE, 1,
ffi::GLX_DRAWABLE_TYPE, ffi::GLX_WINDOW_BIT,
ffi::GLX_RENDER_TYPE, ffi::GLX_RGBA_BIT,
ffi::GLX_X_VISUAL_TYPE, ffi::GLX_TRUE_COLOR,
ffi::GLX_RED_SIZE, 8,
ffi::GLX_GREEN_SIZE, 8,
ffi::GLX_BLUE_SIZE, 8,
ffi::GLX_ALPHA_SIZE, 8,
ffi::GLX_DEPTH_SIZE, 24,
ffi::GLX_STENCIL_SIZE, 8,
ffi::GLX_DOUBLEBUFFER, 1,
0
];
let mut num_fb: libc::c_int = mem::uninitialized();
let fb = ffi::glXChooseFBConfig(display, ffi::XDefaultScreen(display),
VISUAL_ATTRIBUTES.as_ptr(), &mut num_fb);
if fb.is_null() {
return Err(format!("glXChooseFBConfig failed"));
}
let preferred_fb = *fb; // TODO: choose more wisely
ffi::XFree(fb as *const libc::c_void);
preferred_fb
};
// getting the visual infos
let visual_infos = unsafe {
let vi = ffi::glXChooseVisual(display, 0, VISUAL_ATTRIBUTES.as_ptr());
let vi = ffi::glXGetVisualFromFBConfig(display, fb_config);
if vi.is_null() {
return Err(format!("glXChooseVisual failed"));
}
vi
let vi_copy = *vi;
ffi::XFree(vi as *const libc::c_void);
vi_copy
};
// getting the root window
@ -76,7 +99,7 @@ impl Window {
// creating the color map
let cmap = unsafe {
let cmap = ffi::XCreateColormap(display, root,
(*visual_infos).visual, ffi::AllocNone);
visual_infos.visual, ffi::AllocNone);
// TODO: error checking?
cmap
};
@ -97,8 +120,8 @@ impl Window {
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,
dimensions.val1() as libc::c_uint, 0, visual_infos.depth, ffi::InputOutput,
visual_infos.visual, ffi::CWColormap | ffi::CWEventMask,
&mut set_win_attr);
win
};
@ -142,7 +165,7 @@ impl Window {
// creating GL context
let context = unsafe {
ffi::glXCreateContext(display, visual_infos, ptr::null(), 1)
ffi::glXCreateContext(display, &visual_infos, ptr::null(), 1)
};
// returning