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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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26
ui/gtk-gl-area.c
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@ -8,6 +8,7 @@
*/
#include "qemu/osdep.h"
#include "qemu/main-loop.h"
#include "trace.h"
@ -71,7 +72,25 @@ void gd_gl_area_draw(VirtualConsole *vc)
surface_gl_render_texture(vc->gfx.gls, vc->gfx.ds);
}
#ifdef CONFIG_GBM
if (vc->gfx.guest_fb.dmabuf) {
egl_dmabuf_create_sync(vc->gfx.guest_fb.dmabuf);
}
#endif
glFlush();
#ifdef CONFIG_GBM
if (vc->gfx.guest_fb.dmabuf) {
QemuDmaBuf *dmabuf = vc->gfx.guest_fb.dmabuf;
egl_dmabuf_create_fence(dmabuf);
if (dmabuf->fence_fd > 0) {
qemu_set_fd_handler(dmabuf->fence_fd, gd_hw_gl_flushed, NULL, vc);
return;
}
graphic_hw_gl_block(vc->gfx.dcl.con, false);
}
#endif
graphic_hw_gl_flushed(vc->gfx.dcl.con);
}
@ -213,6 +232,9 @@ void gd_gl_area_scanout_flush(DisplayChangeListener *dcl,
{
VirtualConsole *vc = container_of(dcl, VirtualConsole, gfx.dcl);
if (vc->gfx.guest_fb.dmabuf) {
graphic_hw_gl_block(vc->gfx.dcl.con, true);
}
gtk_gl_area_queue_render(GTK_GL_AREA(vc->gfx.drawing_area));
}
@ -231,6 +253,10 @@ void gd_gl_area_scanout_dmabuf(DisplayChangeListener *dcl,
gd_gl_area_scanout_texture(dcl, dmabuf->texture,
false, dmabuf->width, dmabuf->height,
0, 0, dmabuf->width, dmabuf->height);
if (dmabuf->allow_fences) {
vc->gfx.guest_fb.dmabuf = dmabuf;
}
#endif
}