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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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1
ui/gtk.c
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@ -593,7 +593,6 @@ void gd_hw_gl_flushed(void *vcon)
close(dmabuf->fence_fd);
dmabuf->fence_fd = -1;
graphic_hw_gl_block(vc->gfx.dcl.con, false);
graphic_hw_gl_flushed(vc->gfx.dcl.con);
}
/** DisplayState Callbacks (opengl version) **/