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egl: force surface creation on resume

This commit is contained in:
Victor Brekenfeld 2020-05-03 17:58:01 +02:00
parent 140185f6f5
commit a6863af496
2 changed files with 17 additions and 7 deletions
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12
src/backend/drm/egl/session.rs
View File

@ -11,7 +11,7 @@ use std::rc::{Rc, Weak};
use super::{EglDevice, EglSurfaceInternal};
use crate::backend::drm::{Device, Surface};
use crate::backend::egl::native::{Backend, NativeDisplay, NativeSurface};
use crate::backend::egl::{ffi, native::{Backend, NativeDisplay, NativeSurface}};
use crate::backend::session::{AsSessionObserver, SessionObserver};
/// [`SessionObserver`](SessionObserver)
@ -50,5 +50,15 @@ impl<S: SessionObserver + 'static, N: NativeSurface + Surface> SessionObserver f
fn activate(&mut self, devnum: Option<(u32, u32, Option<RawFd>)>) {
self.observer.activate(devnum);
if let Some(backends) = self.backends.upgrade() {
for (_crtc, backend) in backends.borrow().iter() {
if let Some(backend) = backend.upgrade() {
let old_surface = backend.surface.surface.replace(std::ptr::null());
if !old_surface.is_null() {
unsafe { ffi::egl::DestroySurface(**backend.surface.display, old_surface as *const _); }
}
}
}
}
}
}

10
src/backend/egl/surface.rs
View File

@ -12,7 +12,7 @@ use std::{
/// EGL surface of a given EGL context for rendering
pub struct EGLSurface<N: native::NativeSurface> {
display: Arc<EGLDisplayHandle>,
pub(crate) display: Arc<EGLDisplayHandle>,
native: N,
pub(crate) surface: Cell<ffi::egl::types::EGLSurface>,
config_id: ffi::egl::types::EGLConfig,
@ -90,9 +90,7 @@ impl<N: native::NativeSurface> EGLSurface<N> {
wrap_egl_call(|| unsafe { ffi::egl::SwapBuffers(**self.display, surface as *const _) })
.map_err(SwapBuffersError::EGLSwapBuffers)
.and_then(|_| self.native.swap_buffers().map_err(SwapBuffersError::Underlying))
} else {
Ok(())
};
} else { Err(SwapBuffersError::EGLSwapBuffers(EGLError::BadSurface)) };
// workaround for missing `PartialEq` impl
let is_bad_surface = if let Err(SwapBuffersError::EGLSwapBuffers(EGLError::BadSurface)) = result {
@ -117,10 +115,12 @@ impl<N: native::NativeSurface> EGLSurface<N> {
})
.map_err(SwapBuffersError::EGLCreateWindowSurface)?
});
}
result.map_err(|_| SwapBuffersError::EGLSwapBuffers(EGLError::BadSurface))
} else {
result
}
}
/// Returns true if the OpenGL surface is the current one in the thread.
pub fn is_current(&self) -> bool {