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ui: Create sync objects and fences only for blobs

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Create sync objects and fences only for dmabufs that are blobs. Once a
fence is created (after glFlush) and is signalled,
graphic_hw_gl_flushed() will be called and virtio-gpu cmd processing
will be resumed.

Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Message-Id: <20210914211837.3229977-4-vivek.kasireddy@intel.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Vivek Kasireddy
2021-09-14 14:18:35 -07:00
committed by Gerd Hoffmann
parent 121abaf3e6
commit 65b847d284
7 changed files with 68 additions and 0 deletions
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13
ui/gtk.c
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@ -36,6 +36,7 @@
#include "qapi/qapi-commands-machine.h"
#include "qapi/qapi-commands-misc.h"
#include "qemu/cutils.h"
#include "qemu/main-loop.h"
#include "ui/console.h"
#include "ui/gtk.h"
@ -583,6 +584,18 @@ static void gd_gl_release_dmabuf(DisplayChangeListener *dcl,
#endif
}
void gd_hw_gl_flushed(void *vcon)
{
VirtualConsole *vc = vcon;
QemuDmaBuf *dmabuf = vc->gfx.guest_fb.dmabuf;
graphic_hw_gl_block(vc->gfx.dcl.con, false);
graphic_hw_gl_flushed(vc->gfx.dcl.con);
qemu_set_fd_handler(dmabuf->fence_fd, NULL, NULL, NULL);
close(dmabuf->fence_fd);
dmabuf->fence_fd = -1;
}
/** DisplayState Callbacks (opengl version) **/
static const DisplayChangeListenerOps dcl_gl_area_ops = {