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ui: make gl_block use a counter

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Track multiple callers blocking requests.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Marc-André Lureau 2021-03-11 11:45:33 +04:00
parent ac32b2fff1
commit a4ddc31417
1 changed files with 13 additions and 4 deletions
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17
ui/console.c
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@ -79,7 +79,7 @@ struct QemuConsole {
DisplaySurface *surface; DisplaySurface *surface;
int dcls; int dcls;
DisplayChangeListener *gl; DisplayChangeListener *gl;
bool gl_block; int gl_block;
int window_id; int window_id;
/* Graphic console state. */ /* Graphic console state. */
@ -237,10 +237,19 @@ void graphic_hw_gl_block(QemuConsole *con, bool block)
{ {
assert(con != NULL); assert(con != NULL);
con->gl_block = block; if (block) {
if (con->hw_ops->gl_block) { con->gl_block++;
con->hw_ops->gl_block(con->hw, 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) void graphic_hw_gl_flushed(QemuConsole *con)