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ui: simplify gl unblock & flush

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GraphicHw.gl_flushed was introduced to notify the
device (vhost-user-gpu) that the GL resources (the display scanout) are
no longer needed.

It was decoupled from QEMU own gl-blocking mechanism, but that
difference isn't helping. Instead, we can reuse QEMU gl-blocking and
notify virtio_gpu_gl_flushed() when unblocking (to unlock
vhost-user-gpu).

An extra block/unblock is added arount dpy_gl_update() so existing
backends that don't block will have the flush event handled. It will
also help when there are no backends associated.

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 12:11:37 +04:00
parent a9b1e471e1
commit f6413cbfd0
10 changed files with 8 additions and 32 deletions
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2
include/ui/console.h
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@ -391,7 +391,6 @@ typedef struct GraphicHwOps {
void (*update_interval)(void *opaque, uint64_t interval);
int (*ui_info)(void *opaque, uint32_t head, QemuUIInfo *info);
void (*gl_block)(void *opaque, bool block);
void (*gl_flushed)(void *opaque);
} GraphicHwOps;
QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
@ -407,7 +406,6 @@ void graphic_hw_update_done(QemuConsole *con);
void graphic_hw_invalidate(QemuConsole *con);
void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata);
void graphic_hw_gl_block(QemuConsole *con, bool block);
void graphic_hw_gl_flushed(QemuConsole *con);
void qemu_console_early_init(void);