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Fix Nvidia FBO issue with suspend/resume

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This commit is contained in:
Adam Bieńkowski 2016-02-10 21:50:41 +01:00
parent 5b3d3bcc2b
commit 4b001cad52
1 changed files with 44 additions and 1 deletions
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45
src/WindowManager.vala
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@ -19,8 +19,30 @@ using Meta;
namespace Gala
{
[DBus (name = "org.freedesktop.login1.Manager")]
public interface LoginDRemote : GLib.Object
{
public signal void prepare_for_sleep (bool suspending);
}
public class WindowManagerGala : Meta.Plugin, WindowManager
{
const uint GL_VENDOR = 0x1F00;
const string LOGIND_DBUS_NAME = "org.freedesktop.login1";
const string LOGIND_DBUS_OBJECT_PATH = "/org/freedesktop/login1";
delegate unowned string? GlQueryFunc (uint id);
static bool is_nvidia ()
{
var gl_get_string = (GlQueryFunc) Cogl.get_proc_address ("glGetString");
if (gl_get_string == null)
return false;
unowned string? vendor = gl_get_string (GL_VENDOR);
return (vendor != null && vendor.contains ("NVIDIA Corporation"));
}
/**
* {@inheritDoc}
*/
@ -58,6 +80,8 @@ namespace Gala
Window? moving; //place for the window that is being moved over
LoginDRemote? logind_proxy = null;
Gee.LinkedList<ModalProxy> modal_stack = new Gee.LinkedList<ModalProxy> ();
Gee.HashSet<Meta.WindowActor> minimizing = new Gee.HashSet<Meta.WindowActor> ();
@ -83,6 +107,25 @@ namespace Gala
public override void start ()
{
Util.later_add (LaterType.BEFORE_REDRAW, show_stage);
// Handle FBO issue with nvidia blob
if (logind_proxy == null
&& is_nvidia ()) {
try {
logind_proxy = Bus.get_proxy_sync (BusType.SYSTEM, LOGIND_DBUS_NAME, LOGIND_DBUS_OBJECT_PATH);
logind_proxy.prepare_for_sleep.connect (prepare_for_sleep);
} catch (Error e) {
warning ("Failed to get LoginD proxy: %s", e.message);
}
}
}
void prepare_for_sleep (bool suspending)
{
if (suspending)
return;
Meta.Background.refresh_all ();
}
bool show_stage ()
@ -123,7 +166,7 @@ namespace Gala
* +---- background manager
* +-- shell elements
* +-- top window group
*/
*/
var system_background = new SystemBackground (screen);
system_background.add_constraint (new Clutter.BindConstraint (stage,