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[PATCH 07/27] ui: make gl_block use a counter
From: |
marcandre . lureau |
Subject: |
[PATCH 07/27] ui: make gl_block use a counter |
Date: |
Fri, 12 Mar 2021 14:00:48 +0400 |
From: Marc-André Lureau <marcandre.lureau@redhat.com>
Track multiple callers blocking requests.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
ui/console.c | 17 +++++++++++++----
1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/ui/console.c b/ui/console.c
index 53eba2019e..fedb9d8b13 100644
--- a/ui/console.c
+++ b/ui/console.c
@@ -128,7 +128,7 @@ struct QemuConsole {
DisplaySurface *surface;
int dcls;
DisplayChangeListener *gl;
- bool gl_block;
+ int gl_block;
int window_id;
/* Graphic console state. */
@@ -288,10 +288,19 @@ void graphic_hw_gl_block(QemuConsole *con, bool block)
{
assert(con != NULL);
- con->gl_block = block;
- if (con->hw_ops->gl_block) {
- con->hw_ops->gl_block(con->hw, block);
+ if (block) {
+ con->gl_block++;
+ } else {
+ con->gl_block--;
+ }
+ assert(con->gl_block >= 0);
+ if (!con->hw_ops->gl_block) {
+ return;
+ }
+ if ((block && con->gl_block != 1) || (!block && con->gl_block != 0)) {
+ return;
}
+ con->hw_ops->gl_block(con->hw, block);
}
void graphic_hw_gl_flushed(QemuConsole *con)
--
2.29.0
- [PATCH 00/27] Add D-Bus display backend, marcandre . lureau, 2021/03/12
- [PATCH 01/27] ui: fold qemu_alloc_display in only caller, marcandre . lureau, 2021/03/12
- [PATCH 02/27] vhost-user-gpu: glFlush before notifying clients, marcandre . lureau, 2021/03/12
- [PATCH 03/27] vhost-user-gpu: fix vugbm_device_init fallback, marcandre . lureau, 2021/03/12
- [PATCH 04/27] vhost-user-gpu: fix cursor move/update, marcandre . lureau, 2021/03/12
- [PATCH 05/27] ui: factor out qemu_console_set_display_gl_ctx(), marcandre . lureau, 2021/03/12
- [PATCH 06/27] ui: associate GL context outside of display listener registration, marcandre . lureau, 2021/03/12
- [PATCH 07/27] ui: make gl_block use a counter,
marcandre . lureau <=
- [PATCH 08/27] ui: add a gl-unblock warning timer, marcandre . lureau, 2021/03/12
- [PATCH 09/27] ui: simplify gl unblock & flush, marcandre . lureau, 2021/03/12
- [PATCH 10/27] ui: dispatch GL events to all listeners, marcandre . lureau, 2021/03/12
- [PATCH 11/27] ui: split the GL context in a different object, marcandre . lureau, 2021/03/12
- [PATCH 12/27] ui: move qemu_spice_fill_device_address to ui/util.c, marcandre . lureau, 2021/03/12
- [PATCH 13/27] console: save current scanout details, marcandre . lureau, 2021/03/12
- [PATCH 14/27] ui: add a D-Bus display backend, marcandre . lureau, 2021/03/12