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Add support for creating a pbuffer with EGL

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This commit is contained in:
Pierre Krieger 2015-07-25 16:42:11 +02:00
parent 15dfbd1ef6
commit 653fbde987
1 changed files with 30 additions and 1 deletions
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31
src/api/egl/mod.rs
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@ -226,6 +226,33 @@ impl<'a> ContextPrototype<'a> {
surface
};
self.finish_impl(surface)
}
pub fn finish_pbuffer(self) -> Result<Context, CreationError> {
let dimensions = self.builder.dimensions.unwrap_or((800, 600));
let attrs = &[
ffi::egl::WIDTH as libc::c_int, dimensions.0 as libc::c_int,
ffi::egl::HEIGHT as libc::c_int, dimensions.1 as libc::c_int,
ffi::egl::NONE as libc::c_int,
];
let surface = unsafe {
let surface = self.egl.CreatePbufferSurface(self.display, self.config_id,
attrs.as_ptr());
if surface.is_null() {
return Err(CreationError::OsError(format!("eglCreatePbufferSurface failed")))
}
surface
};
self.finish_impl(surface)
}
fn finish_impl(self, surface: ffi::egl::types::EGLSurface)
-> Result<Context, CreationError>
{
let context = unsafe {
if let Some(version) = self.version {
try!(create_context(&self.egl, self.display, &self.egl_version, self.api,
@ -351,7 +378,9 @@ unsafe fn enumerate_configs(egl: &ffi::egl::Egl, display: ffi::egl::types::EGLDi
}
}
if attrib!(egl, display, config_id, ffi::egl::SURFACE_TYPE) & ffi::egl::WINDOW_BIT as i32 == 0 {
if attrib!(egl, display, config_id, ffi::egl::SURFACE_TYPE) &
(ffi::egl::WINDOW_BIT | ffi::egl::PBUFFER_BIT) as i32 == 0
{
continue;
}