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session-lock: fix assertion failures and clean up

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The removed assertions aren't possible to guarantee due to the fact that
the lock render state is updated asynchronously as the output is
rendered.
This commit is contained in:
Isaac Freund 2023-03-24 15:27:25 +01:00
parent eaa2f6d37e
commit 3865a7be7c
No known key found for this signature in database
GPG Key ID: 86DED400DDFD7A11
3 changed files with 21 additions and 21 deletions
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10
river/LockManager.zig
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@ -142,14 +142,6 @@ fn handleLockSurfacesTimeout(manager: *LockManager) c_int {
while (it) |node| : (it = node.next) {
const output = &node.data;
switch (output.lock_render_state) {
.unlocked, .pending_lock_surface => {},
.pending_blank, .blanked, .lock_surface => {
assert(!output.normal_content.node.enabled);
assert(output.locked_content.node.enabled);
},
}
output.normal_content.node.setEnabled(false);
output.locked_content.node.setEnabled(true);
}
@ -169,7 +161,7 @@ pub fn maybeLock(manager: *LockManager) void {
while (it) |node| : (it = node.next) {
const output = &node.data;
switch (output.lock_render_state) {
.unlocked, .pending_blank, .pending_lock_surface => {
.pending_unlock, .unlocked, .pending_blank, .pending_lock_surface => {
all_outputs_blanked = false;
all_outputs_rendered_lock_surface = false;
},

5
river/LockSurface.zig
View File

@ -100,12 +100,9 @@ fn handleOutputMode(listener: *wl.Listener(*wlr.Output), _: *wlr.Output) void {
fn handleMap(listener: *wl.Listener(void)) void {
const lock_surface = @fieldParentPtr(LockSurface, "map", listener);
const output = lock_surface.getOutput();
assert(output.normal_content.node.enabled);
output.normal_content.node.setEnabled(false);
assert(!output.locked_content.node.enabled);
output.normal_content.node.setEnabled(false);
output.locked_content.node.setEnabled(true);
{

25
river/Output.zig
View File

@ -78,6 +78,8 @@ layers: struct {
/// If using the DRM backend it will be blanked with the initial modeset.
/// If using the Wayland or X11 backend nothing will be visible until the first frame is rendered.
lock_render_state: enum {
/// Submitted an unlocked buffer but the buffer has not yet been presented.
pending_unlock,
/// Normal, "unlocked" content may be visible.
unlocked,
/// Submitted a blank buffer but the buffer has not yet been presented.
@ -393,7 +395,7 @@ fn handleEnable(listener: *wl.Listener(*wlr.Output), wlr_output: *wlr.Output) vo
if (wlr_output.enabled) {
switch (server.lock_manager.state) {
.unlocked => {
self.lock_render_state = .unlocked;
assert(self.lock_render_state == .blanked);
self.normal_content.node.setEnabled(true);
self.locked_content.node.setEnabled(false);
},
@ -406,6 +408,8 @@ fn handleEnable(listener: *wl.Listener(*wlr.Output), wlr_output: *wlr.Output) vo
} else {
// Disabling and re-enabling an output always blanks it.
self.lock_render_state = .blanked;
self.normal_content.node.setEnabled(false);
self.locked_content.node.setEnabled(true);
}
// Add the output to root.outputs and the output layout if it has not
@ -447,7 +451,7 @@ fn handleFrame(listener: *wl.Listener(*wlr.Output), _: *wlr.Output) void {
switch (server.lock_manager.state) {
.unlocked => unreachable,
.locked => switch (output.lock_render_state) {
.unlocked, .pending_blank, .pending_lock_surface => unreachable,
.pending_unlock, .unlocked, .pending_blank, .pending_lock_surface => unreachable,
.blanked, .lock_surface => {},
},
.waiting_for_blank => {
@ -461,6 +465,10 @@ fn handleFrame(listener: *wl.Listener(*wlr.Output), _: *wlr.Output) void {
}
},
}
} else {
if (output.lock_render_state != .unlocked) {
output.lock_render_state = .pending_unlock;
}
}
} else {
log.err("output commit failed for {s}", .{output.wlr_output.name});
@ -477,18 +485,21 @@ fn handlePresent(
) void {
const output = @fieldParentPtr(Self, "present", listener);
switch (output.lock_render_state) {
.unlocked => assert(server.lock_manager.state != .locked),
.pending_blank, .pending_lock_surface => {
if (!event.presented) {
output.lock_render_state = .unlocked;
return;
}
switch (output.lock_render_state) {
.pending_unlock => {
assert(server.lock_manager.state != .locked);
output.lock_render_state = .unlocked;
},
.unlocked => assert(server.lock_manager.state != .locked),
.pending_blank, .pending_lock_surface => {
output.lock_render_state = switch (output.lock_render_state) {
.pending_blank => .blanked,
.pending_lock_surface => .lock_surface,
.unlocked, .blanked, .lock_surface => unreachable,
.pending_unlock, .unlocked, .blanked, .lock_surface => unreachable,
};
if (server.lock_manager.state != .locked) {