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Fix wrong screen ID used on GLX

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This commit is contained in:
Pierre Krieger 2016-01-05 18:05:02 +01:00
parent f59be2588c
commit 8319043298
2 changed files with 8 additions and 7 deletions
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13
src/api/glx/mod.rs
View file

@ -38,8 +38,8 @@ fn with_c_str<F, T>(s: &str, f: F) -> T where F: FnOnce(*const libc::c_char) ->
impl Context {
pub fn new<'a>(glx: ffi::glx::Glx, xlib: &ffi::Xlib, pf_reqs: &PixelFormatRequirements,
opengl: &'a GlAttributes<&'a Context>, display: *mut ffi::Display)
-> Result<ContextPrototype<'a>, CreationError>
opengl: &'a GlAttributes<&'a Context>, display: *mut ffi::Display,
screen_id: libc::c_int) -> Result<ContextPrototype<'a>, CreationError>
{
// This is completely ridiculous, but VirtualBox's OpenGL driver needs some call handled by
// *it* (i.e. not Mesa) to occur before anything else can happen. That is because
@ -55,14 +55,14 @@ impl Context {
// loading the list of extensions
let extensions = unsafe {
let extensions = glx.QueryExtensionsString(display as *mut _, 0); // FIXME: screen number
let extensions = glx.QueryExtensionsString(display as *mut _, screen_id);
let extensions = CStr::from_ptr(extensions).to_bytes().to_vec();
String::from_utf8(extensions).unwrap()
};
// finding the pixel format we want
let (fb_config, pixel_format) = unsafe {
try!(choose_fbconfig(&glx, &extensions, xlib, display, pf_reqs)
try!(choose_fbconfig(&glx, &extensions, xlib, display, screen_id, pf_reqs)
.map_err(|_| CreationError::NoAvailablePixelFormat))
};
@ -355,7 +355,8 @@ fn create_context(glx: &ffi::glx::Glx, extra_functions: &ffi::glx_extra::Glx, ex
/// Enumerates all available FBConfigs
unsafe fn choose_fbconfig(glx: &ffi::glx::Glx, extensions: &str, xlib: &ffi::Xlib,
display: *mut ffi::Display, reqs: &PixelFormatRequirements)
display: *mut ffi::Display, screen_id: libc::c_int,
reqs: &PixelFormatRequirements)
-> Result<(ffi::glx::types::GLXFBConfig, PixelFormat), ()>
{
let descriptor = {
@ -459,7 +460,7 @@ unsafe fn choose_fbconfig(glx: &ffi::glx::Glx, extensions: &str, xlib: &ffi::Xli
// calling glXChooseFBConfig
let fb_config = {
let mut num_configs = 1;
let result = glx.ChooseFBConfig(display as *mut _, 0, descriptor.as_ptr(),
let result = glx.ChooseFBConfig(display as *mut _, screen_id, descriptor.as_ptr(),
&mut num_configs);
if result.is_null() { return Err(()); }
if num_configs == 0 { return Err(()); }

2
src/api/x11/window.rs
View file

@ -366,7 +366,7 @@ impl Window {
// GLX should be preferred over EGL, otherwise crashes may occur
// on X11 – issue #314
if let Some(ref glx) = display.glx {
Prototype::Glx(try!(GlxContext::new(glx.clone(), &display.xlib, pf_reqs, &builder_clone_opengl_glx, display.display)))
Prototype::Glx(try!(GlxContext::new(glx.clone(), &display.xlib, pf_reqs, &builder_clone_opengl_glx, display.display, screen_id)))
} else if let Some(ref egl) = display.egl {
Prototype::Egl(try!(EglContext::new(egl.clone(), pf_reqs, &builder_clone_opengl_egl, egl::NativeDisplay::X11(Some(display.display as *const _)))))
} else {