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Implement multisampling for x11

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This commit is contained in:
Pierre Krieger
2014-11-24 19:35:31 +01:00
parent 596132dc93
commit 729551f828
4 changed files with 28 additions and 6 deletions
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11
src/x11/window/mod.rs
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@@ -58,7 +58,7 @@ impl Window {
// getting the FBConfig
let fb_config = unsafe {
const VISUAL_ATTRIBUTES: [libc::c_int, ..23] = [
let mut visual_attributes = vec![
ffi::GLX_X_RENDERABLE, 1,
ffi::GLX_DRAWABLE_TYPE, ffi::GLX_WINDOW_BIT,
ffi::GLX_RENDER_TYPE, ffi::GLX_RGBA_BIT,
@@ -73,10 +73,17 @@ impl Window {
0
];
if let Some(val) = builder.multisampling {
visual_attributes.push(ffi::glx::SAMPLE_BUFFERS as libc::c_int);
visual_attributes.push(1);
visual_attributes.push(ffi::glx::SAMPLES as libc::c_int);
visual_attributes.push(val as libc::c_int);
}
let mut num_fb: libc::c_int = mem::uninitialized();
let fb = ffi::glx::ChooseFBConfig(display, ffi::XDefaultScreen(display),
VISUAL_ATTRIBUTES.as_ptr(), &mut num_fb);
visual_attributes.as_ptr(), &mut num_fb);
if fb.is_null() {
return Err(OsError(format!("glx::ChooseFBConfig failed")));
}