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qemu-patch-raspberry4
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ui: make gl_block use a counter 

Track multiple callers blocking requests.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
staging
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;
int dcls;
DisplayChangeListener *gl;
bool gl_block;
int gl_block;
int window_id;
/* Graphic console state. */
@ -237,10 +237,19 @@ 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)