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[client] scheduler: qualify presentation feedback

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Track cadence, interruption, and calibration wake reasons independently
across X11 and Wayland. Feed phase correction back only when a pure
cadence wake renders the exact frame that was queued at that wake.

Propagate EGL swap results through the display-server boundary. Reject
failed presentations and keep pending Wayland HDR descriptions inactive
until the preceding surface commit succeeds.
This commit is contained in:
Geoffrey McRae
2026-08-06 16:17:23 +10:00
parent 515f4ba06f
commit 3d1064001d
12 changed files with 119 additions and 57 deletions
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14
client/displayservers/Wayland/gl.c
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@@ -228,8 +228,11 @@ static const struct wp_image_description_v1_listener hdrImageDescListener =
.ready2 = hdrImageDescReadyV2,
};
void waylandEGLSwapBuffers(EGLDisplay display, EGLSurface surface, const struct Rect * damage, int count)
bool waylandEGLSwapBuffers(EGLDisplay display, EGLSurface surface,
const struct Rect * damage, int count)
{
bool result = false;
// EGL presentation sends a batch of Wayland requests ending in a surface
// commit. A concurrent commit would apply a partial batch and, when explicit
// sync is active, omit one of the required acquire/release timeline points.
@@ -248,8 +251,10 @@ void waylandEGLSwapBuffers(EGLDisplay display, EGLSurface surface, const struct
waylandPresentationFrame();
applyHDRPending();
swapWithDamage(&wlWm.swapWithDamage, display, surface, damage, count);
activateReadyHDRImageDesc();
result = swapWithDamage(
&wlWm.swapWithDamage, display, surface, damage, count);
if (result)
activateReadyHDRImageDesc();
});
if (wlWm.needsResize)
@@ -305,6 +310,7 @@ void waylandEGLSwapBuffers(EGLDisplay display, EGLSurface surface, const struct
}
wlWm.desktop->shellAckConfigureIfNeeded();
return result;
}
#endif
@@ -750,6 +756,6 @@ void waylandGLSetSwapInterval(int interval)
void waylandGLSwapBuffers(void)
{
waylandEGLSwapBuffers(wlWm.glDisplay, wlWm.glSurface, NULL, 0);
(void)waylandEGLSwapBuffers(wlWm.glDisplay, wlWm.glSurface, NULL, 0);
}
#endif