diff options
Diffstat (limited to 'vnc.c')
| -rw-r--r-- | vnc.c | 11 |
1 files changed, 10 insertions, 1 deletions
@@ -657,6 +657,7 @@ static void send_framebuffer_update(VncState *vs, int x, int y, int w, int h) static void vnc_copy(VncState *vs, int src_x, int src_y, int dst_x, int dst_y, int w, int h) { + vs->force_update = 1; vnc_update_client(vs); vnc_write_u8(vs, 0); /* msg id */ @@ -710,6 +711,12 @@ static void vnc_update_client(void *opaque) int saved_offset; int has_dirty = 0; + if (vs->output.offset && !vs->audio_cap && !vs->force_update) { + /* kernel send buffers are full -> drop frames to throttle */ + qemu_mod_timer(vs->timer, qemu_get_clock(rt_clock) + VNC_REFRESH_INTERVAL); + return; + } + vga_hw_update(); /* @@ -745,7 +752,7 @@ static void vnc_update_client(void *opaque) server_row += ds_get_linesize(vs->ds); } - if (!has_dirty && !vs->audio_cap) { + if (!has_dirty && !vs->audio_cap && !vs->force_update) { qemu_mod_timer(vs->timer, qemu_get_clock(rt_clock) + VNC_REFRESH_INTERVAL); return; } @@ -789,6 +796,7 @@ static void vnc_update_client(void *opaque) vs->output.buffer[saved_offset] = (n_rectangles >> 8) & 0xFF; vs->output.buffer[saved_offset + 1] = n_rectangles & 0xFF; vnc_flush(vs); + vs->force_update = 0; } @@ -1407,6 +1415,7 @@ static void framebuffer_update_request(VncState *vs, int incremental, int i; vs->need_update = 1; + vs->force_update = 1; if (!incremental) { for (i = 0; i < h; i++) { vnc_set_bits(vs->guest.dirty[y_position + i], |