diff options
Diffstat (limited to 'ui/vnc.c')
-rw-r--r-- | ui/vnc.c | 300 |
1 files changed, 157 insertions, 143 deletions
@@ -33,6 +33,7 @@ #include "qapi/qmp/types.h" #include "qmp-commands.h" #include "qemu/osdep.h" +#include "ui/input.h" #define VNC_REFRESH_INTERVAL_BASE GUI_REFRESH_INTERVAL_DEFAULT #define VNC_REFRESH_INTERVAL_INC 50 @@ -416,8 +417,7 @@ out_error: 3) resolutions > 1024 */ -static int vnc_update_client(VncState *vs, int has_dirty); -static int vnc_update_client_sync(VncState *vs, int has_dirty); +static int vnc_update_client(VncState *vs, int has_dirty, bool sync); static void vnc_disconnect_start(VncState *vs); static void vnc_colordepth(VncState *vs); @@ -430,29 +430,25 @@ static int vnc_refresh_server_surface(VncDisplay *vd); static void vnc_dpy_update(DisplayChangeListener *dcl, int x, int y, int w, int h) { - int i; VncDisplay *vd = container_of(dcl, VncDisplay, dcl); struct VncSurface *s = &vd->guest; int width = surface_width(vd->ds); int height = surface_height(vd->ds); - h += y; - - /* round x down to ensure the loop only spans one 16-pixel block per, - iteration. otherwise, if (x % 16) != 0, the last iteration may span - two 16-pixel blocks but we only mark the first as dirty - */ - w += (x % 16); - x -= (x % 16); + /* this is needed this to ensure we updated all affected + * blocks if x % VNC_DIRTY_PIXELS_PER_BIT != 0 */ + w += (x % VNC_DIRTY_PIXELS_PER_BIT); + x -= (x % VNC_DIRTY_PIXELS_PER_BIT); x = MIN(x, width); y = MIN(y, height); w = MIN(x + w, width) - x; - h = MIN(h, height); + h = MIN(y + h, height); - for (; y < h; y++) - for (i = 0; i < w; i += 16) - set_bit((x + i) / 16, s->dirty[y]); + for (; y < h; y++) { + bitmap_set(s->dirty[y], x / VNC_DIRTY_PIXELS_PER_BIT, + DIV_ROUND_UP(w, VNC_DIRTY_PIXELS_PER_BIT)); + } } void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h, @@ -570,6 +566,15 @@ void *vnc_server_fb_ptr(VncDisplay *vd, int x, int y) ptr += x * VNC_SERVER_FB_BYTES; return ptr; } +/* this sets only the visible pixels of a dirty bitmap */ +#define VNC_SET_VISIBLE_PIXELS_DIRTY(bitmap, w, h) {\ + int y;\ + memset(bitmap, 0x00, sizeof(bitmap));\ + for (y = 0; y < h; y++) {\ + bitmap_set(bitmap[y], 0,\ + DIV_ROUND_UP(w, VNC_DIRTY_PIXELS_PER_BIT));\ + } \ + } static void vnc_dpy_switch(DisplayChangeListener *dcl, DisplaySurface *surface) @@ -595,7 +600,9 @@ static void vnc_dpy_switch(DisplayChangeListener *dcl, qemu_pixman_image_unref(vd->guest.fb); vd->guest.fb = pixman_image_ref(surface->image); vd->guest.format = surface->format; - memset(vd->guest.dirty, 0xFF, sizeof(vd->guest.dirty)); + VNC_SET_VISIBLE_PIXELS_DIRTY(vd->guest.dirty, + surface_width(vd->ds), + surface_height(vd->ds)); QTAILQ_FOREACH(vs, &vd->clients, next) { vnc_colordepth(vs); @@ -603,7 +610,9 @@ static void vnc_dpy_switch(DisplayChangeListener *dcl, if (vs->vd->cursor) { vnc_cursor_define(vs); } - memset(vs->dirty, 0xFF, sizeof(vs->dirty)); + VNC_SET_VISIBLE_PIXELS_DIRTY(vs->dirty, + surface_width(vd->ds), + surface_height(vd->ds)); } } @@ -750,7 +759,7 @@ static void vnc_dpy_copy(DisplayChangeListener *dcl, QTAILQ_FOREACH_SAFE(vs, &vd->clients, next, vn) { if (vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) { vs->force_update = 1; - vnc_update_client_sync(vs, 1); + vnc_update_client(vs, 1, true); /* vs might be free()ed here */ } } @@ -769,11 +778,12 @@ static void vnc_dpy_copy(DisplayChangeListener *dcl, y = dst_y + h - 1; inc = -1; } - w_lim = w - (16 - (dst_x % 16)); - if (w_lim < 0) + w_lim = w - (VNC_DIRTY_PIXELS_PER_BIT - (dst_x % VNC_DIRTY_PIXELS_PER_BIT)); + if (w_lim < 0) { w_lim = w; - else - w_lim = w - (w_lim % 16); + } else { + w_lim = w - (w_lim % VNC_DIRTY_PIXELS_PER_BIT); + } for (i = 0; i < h; i++) { for (x = 0; x <= w_lim; x += s, src_row += cmp_bytes, dst_row += cmp_bytes) { @@ -781,10 +791,11 @@ static void vnc_dpy_copy(DisplayChangeListener *dcl, if ((s = w - w_lim) == 0) break; } else if (!x) { - s = (16 - (dst_x % 16)); + s = (VNC_DIRTY_PIXELS_PER_BIT - + (dst_x % VNC_DIRTY_PIXELS_PER_BIT)); s = MIN(s, w_lim); } else { - s = 16; + s = VNC_DIRTY_PIXELS_PER_BIT; } cmp_bytes = s * VNC_SERVER_FB_BYTES; if (memcmp(src_row, dst_row, cmp_bytes) == 0) @@ -792,7 +803,8 @@ static void vnc_dpy_copy(DisplayChangeListener *dcl, memmove(dst_row, src_row, cmp_bytes); QTAILQ_FOREACH(vs, &vd->clients, next) { if (!vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) { - set_bit(((x + dst_x) / 16), vs->dirty[y]); + set_bit(((x + dst_x) / VNC_DIRTY_PIXELS_PER_BIT), + vs->dirty[y]); } } } @@ -861,35 +873,24 @@ static int find_and_clear_dirty_height(struct VncState *vs, int h; for (h = 1; h < (height - y); h++) { - int tmp_x; if (!test_bit(last_x, vs->dirty[y + h])) { break; } - for (tmp_x = last_x; tmp_x < x; tmp_x++) { - clear_bit(tmp_x, vs->dirty[y + h]); - } + bitmap_clear(vs->dirty[y + h], last_x, x - last_x); } return h; } -static int vnc_update_client_sync(VncState *vs, int has_dirty) -{ - int ret = vnc_update_client(vs, has_dirty); - vnc_jobs_join(vs); - return ret; -} - -static int vnc_update_client(VncState *vs, int has_dirty) +static int vnc_update_client(VncState *vs, int has_dirty, bool sync) { if (vs->need_update && vs->csock != -1) { VncDisplay *vd = vs->vd; VncJob *job; int y; - int width, height; + int height, width; int n = 0; - if (vs->output.offset && !vs->audio_cap && !vs->force_update) /* kernel send buffers are full -> drop frames to throttle */ return 0; @@ -905,32 +906,30 @@ static int vnc_update_client(VncState *vs, int has_dirty) */ job = vnc_job_new(vs); - width = MIN(pixman_image_get_width(vd->server), vs->client_width); height = MIN(pixman_image_get_height(vd->server), vs->client_height); + width = MIN(pixman_image_get_width(vd->server), vs->client_width); - for (y = 0; y < height; y++) { - int x; - int last_x = -1; - for (x = 0; x < width / 16; x++) { - if (test_and_clear_bit(x, vs->dirty[y])) { - if (last_x == -1) { - last_x = x; - } - } else { - if (last_x != -1) { - int h = find_and_clear_dirty_height(vs, y, last_x, x, - height); - - n += vnc_job_add_rect(job, last_x * 16, y, - (x - last_x) * 16, h); - } - last_x = -1; - } + y = 0; + for (;;) { + int x, h; + unsigned long x2; + unsigned long offset = find_next_bit((unsigned long *) &vs->dirty, + height * VNC_DIRTY_BPL(vs), + y * VNC_DIRTY_BPL(vs)); + if (offset == height * VNC_DIRTY_BPL(vs)) { + /* no more dirty bits */ + break; } - if (last_x != -1) { - int h = find_and_clear_dirty_height(vs, y, last_x, x, height); - n += vnc_job_add_rect(job, last_x * 16, y, - (x - last_x) * 16, h); + y = offset / VNC_DIRTY_BPL(vs); + x = offset % VNC_DIRTY_BPL(vs); + x2 = find_next_zero_bit((unsigned long *) &vs->dirty[y], + VNC_DIRTY_BPL(vs), x); + bitmap_clear(vs->dirty[y], x, x2 - x); + h = find_and_clear_dirty_height(vs, y, x, x2, height); + x2 = MIN(x2, width / VNC_DIRTY_PIXELS_PER_BIT); + if (x2 > x) { + n += vnc_job_add_rect(job, x * VNC_DIRTY_PIXELS_PER_BIT, y, + (x2 - x) * VNC_DIRTY_PIXELS_PER_BIT, h); } } @@ -939,8 +938,11 @@ static int vnc_update_client(VncState *vs, int has_dirty) return n; } - if (vs->csock == -1) + if (vs->csock == -1) { vnc_disconnect_finish(vs); + } else if (sync) { + vnc_jobs_join(vs); + } return 0; } @@ -1483,7 +1485,7 @@ static void client_cut_text(VncState *vs, size_t len, uint8_t *text) static void check_pointer_type_change(Notifier *notifier, void *data) { VncState *vs = container_of(notifier, VncState, mouse_mode_notifier); - int absolute = kbd_mouse_is_absolute(); + int absolute = qemu_input_is_absolute(); if (vnc_has_feature(vs, VNC_FEATURE_POINTER_TYPE_CHANGE) && vs->absolute != absolute) { vnc_lock_output(vs); @@ -1502,39 +1504,37 @@ static void check_pointer_type_change(Notifier *notifier, void *data) static void pointer_event(VncState *vs, int button_mask, int x, int y) { - int buttons = 0; - int dz = 0; + static uint32_t bmap[INPUT_BUTTON_MAX] = { + [INPUT_BUTTON_LEFT] = 0x01, + [INPUT_BUTTON_MIDDLE] = 0x02, + [INPUT_BUTTON_RIGHT] = 0x04, + [INPUT_BUTTON_WHEEL_UP] = 0x08, + [INPUT_BUTTON_WHEEL_DOWN] = 0x10, + }; + QemuConsole *con = vs->vd->dcl.con; int width = surface_width(vs->vd->ds); int height = surface_height(vs->vd->ds); - if (button_mask & 0x01) - buttons |= MOUSE_EVENT_LBUTTON; - if (button_mask & 0x02) - buttons |= MOUSE_EVENT_MBUTTON; - if (button_mask & 0x04) - buttons |= MOUSE_EVENT_RBUTTON; - if (button_mask & 0x08) - dz = -1; - if (button_mask & 0x10) - dz = 1; + if (vs->last_bmask != button_mask) { + qemu_input_update_buttons(con, bmap, vs->last_bmask, button_mask); + vs->last_bmask = button_mask; + } if (vs->absolute) { - kbd_mouse_event(width > 1 ? x * 0x7FFF / (width - 1) : 0x4000, - height > 1 ? y * 0x7FFF / (height - 1) : 0x4000, - dz, buttons); + qemu_input_queue_abs(con, INPUT_AXIS_X, x, width); + qemu_input_queue_abs(con, INPUT_AXIS_Y, y, height); } else if (vnc_has_feature(vs, VNC_FEATURE_POINTER_TYPE_CHANGE)) { - x -= 0x7FFF; - y -= 0x7FFF; - - kbd_mouse_event(x, y, dz, buttons); + qemu_input_queue_rel(con, INPUT_AXIS_X, x - 0x7FFF); + qemu_input_queue_rel(con, INPUT_AXIS_Y, y - 0x7FFF); } else { - if (vs->last_x != -1) - kbd_mouse_event(x - vs->last_x, - y - vs->last_y, - dz, buttons); + if (vs->last_x != -1) { + qemu_input_queue_rel(con, INPUT_AXIS_X, x - vs->last_x); + qemu_input_queue_rel(con, INPUT_AXIS_Y, y - vs->last_y); + } vs->last_x = x; vs->last_y = y; } + qemu_input_event_sync(); } static void reset_keys(VncState *vs) @@ -1542,9 +1542,7 @@ static void reset_keys(VncState *vs) int i; for(i = 0; i < 256; i++) { if (vs->modifiers_state[i]) { - if (i & SCANCODE_GREY) - kbd_put_keycode(SCANCODE_EMUL0); - kbd_put_keycode(i | SCANCODE_UP); + qemu_input_event_send_key_number(vs->vd->dcl.con, i, false); vs->modifiers_state[i] = 0; } } @@ -1553,12 +1551,8 @@ static void reset_keys(VncState *vs) static void press_key(VncState *vs, int keysym) { int keycode = keysym2scancode(vs->vd->kbd_layout, keysym) & SCANCODE_KEYMASK; - if (keycode & SCANCODE_GREY) - kbd_put_keycode(SCANCODE_EMUL0); - kbd_put_keycode(keycode & SCANCODE_KEYCODEMASK); - if (keycode & SCANCODE_GREY) - kbd_put_keycode(SCANCODE_EMUL0); - kbd_put_keycode(keycode | SCANCODE_UP); + qemu_input_event_send_key_number(vs->vd->dcl.con, keycode, true); + qemu_input_event_send_key_number(vs->vd->dcl.con, keycode, false); } static int current_led_state(VncState *vs) @@ -1700,12 +1694,7 @@ static void do_key_event(VncState *vs, int down, int keycode, int sym) } if (qemu_console_is_graphic(NULL)) { - if (keycode & SCANCODE_GREY) - kbd_put_keycode(SCANCODE_EMUL0); - if (down) - kbd_put_keycode(keycode & SCANCODE_KEYCODEMASK); - else - kbd_put_keycode(keycode | SCANCODE_UP); + qemu_input_event_send_key_number(vs->vd->dcl.con, keycode, down); } else { bool numlock = vs->modifiers_state[0x45]; bool control = (vs->modifiers_state[0x1d] || @@ -1826,10 +1815,7 @@ static void vnc_release_modifiers(VncState *vs) if (!vs->modifiers_state[keycode]) { continue; } - if (keycode & SCANCODE_GREY) { - kbd_put_keycode(SCANCODE_EMUL0); - } - kbd_put_keycode(keycode | SCANCODE_UP); + qemu_input_event_send_key_number(vs->vd->dcl.con, keycode, false); } } @@ -1861,7 +1847,7 @@ static void framebuffer_update_request(VncState *vs, int incremental, int w, int h) { int i; - const size_t width = surface_width(vs->vd->ds) / 16; + const size_t width = surface_width(vs->vd->ds) / VNC_DIRTY_PIXELS_PER_BIT; const size_t height = surface_height(vs->vd->ds); if (y_position > height) { @@ -2563,7 +2549,9 @@ static int vnc_refresh_lossy_rect(VncDisplay *vd, int x, int y) vs->lossy_rect[sty][stx] = 0; for (j = 0; j < VNC_STAT_RECT; ++j) { - bitmap_set(vs->dirty[y + j], x / 16, VNC_STAT_RECT / 16); + bitmap_set(vs->dirty[y + j], + x / VNC_DIRTY_PIXELS_PER_BIT, + VNC_STAT_RECT / VNC_DIRTY_PIXELS_PER_BIT); } has_dirty++; } @@ -2667,8 +2655,8 @@ static int vnc_refresh_server_surface(VncDisplay *vd) int width = pixman_image_get_width(vd->guest.fb); int height = pixman_image_get_height(vd->guest.fb); int y; - uint8_t *guest_row; - uint8_t *server_row; + uint8_t *guest_row0 = NULL, *server_row0; + int guest_stride = 0, server_stride; int cmp_bytes; VncState *vs; int has_dirty = 0; @@ -2686,47 +2674,64 @@ static int vnc_refresh_server_surface(VncDisplay *vd) * Check and copy modified bits from guest to server surface. * Update server dirty map. */ - cmp_bytes = 64; + cmp_bytes = VNC_DIRTY_PIXELS_PER_BIT * VNC_SERVER_FB_BYTES; if (cmp_bytes > vnc_server_fb_stride(vd)) { cmp_bytes = vnc_server_fb_stride(vd); } if (vd->guest.format != VNC_SERVER_FB_FORMAT) { int width = pixman_image_get_width(vd->server); tmpbuf = qemu_pixman_linebuf_create(VNC_SERVER_FB_FORMAT, width); - } - guest_row = (uint8_t *)pixman_image_get_data(vd->guest.fb); - server_row = (uint8_t *)pixman_image_get_data(vd->server); - for (y = 0; y < height; y++) { - if (!bitmap_empty(vd->guest.dirty[y], VNC_DIRTY_BITS)) { - int x; - uint8_t *guest_ptr; - uint8_t *server_ptr; - - if (vd->guest.format != VNC_SERVER_FB_FORMAT) { - qemu_pixman_linebuf_fill(tmpbuf, vd->guest.fb, width, 0, y); - guest_ptr = (uint8_t *)pixman_image_get_data(tmpbuf); - } else { - guest_ptr = guest_row; - } - server_ptr = server_row; + } else { + guest_row0 = (uint8_t *)pixman_image_get_data(vd->guest.fb); + guest_stride = pixman_image_get_stride(vd->guest.fb); + } + server_row0 = (uint8_t *)pixman_image_get_data(vd->server); + server_stride = pixman_image_get_stride(vd->server); + + y = 0; + for (;;) { + int x; + uint8_t *guest_ptr, *server_ptr; + unsigned long offset = find_next_bit((unsigned long *) &vd->guest.dirty, + height * VNC_DIRTY_BPL(&vd->guest), + y * VNC_DIRTY_BPL(&vd->guest)); + if (offset == height * VNC_DIRTY_BPL(&vd->guest)) { + /* no more dirty bits */ + break; + } + y = offset / VNC_DIRTY_BPL(&vd->guest); + x = offset % VNC_DIRTY_BPL(&vd->guest); - for (x = 0; x + 15 < width; - x += 16, guest_ptr += cmp_bytes, server_ptr += cmp_bytes) { - if (!test_and_clear_bit((x / 16), vd->guest.dirty[y])) - continue; - if (memcmp(server_ptr, guest_ptr, cmp_bytes) == 0) - continue; - memcpy(server_ptr, guest_ptr, cmp_bytes); - if (!vd->non_adaptive) - vnc_rect_updated(vd, x, y, &tv); - QTAILQ_FOREACH(vs, &vd->clients, next) { - set_bit((x / 16), vs->dirty[y]); - } - has_dirty++; + server_ptr = server_row0 + y * server_stride + x * cmp_bytes; + + if (vd->guest.format != VNC_SERVER_FB_FORMAT) { + qemu_pixman_linebuf_fill(tmpbuf, vd->guest.fb, width, 0, y); + guest_ptr = (uint8_t *)pixman_image_get_data(tmpbuf); + } else { + guest_ptr = guest_row0 + y * guest_stride; + } + guest_ptr += x * cmp_bytes; + + for (; x < DIV_ROUND_UP(width, VNC_DIRTY_PIXELS_PER_BIT); + x++, guest_ptr += cmp_bytes, server_ptr += cmp_bytes) { + if (!test_and_clear_bit(x, vd->guest.dirty[y])) { + continue; + } + if (memcmp(server_ptr, guest_ptr, cmp_bytes) == 0) { + continue; + } + memcpy(server_ptr, guest_ptr, cmp_bytes); + if (!vd->non_adaptive) { + vnc_rect_updated(vd, x * VNC_DIRTY_PIXELS_PER_BIT, + y, &tv); } + QTAILQ_FOREACH(vs, &vd->clients, next) { + set_bit(x, vs->dirty[y]); + } + has_dirty++; } - guest_row += pixman_image_get_stride(vd->guest.fb); - server_row += pixman_image_get_stride(vd->server); + + y++; } qemu_pixman_image_unref(tmpbuf); return has_dirty; @@ -2749,7 +2754,7 @@ static void vnc_refresh(DisplayChangeListener *dcl) vnc_unlock_display(vd); QTAILQ_FOREACH_SAFE(vs, &vd->clients, next, vn) { - rects += vnc_update_client(vs, has_dirty); + rects += vnc_update_client(vs, has_dirty, false); /* vs might be free()ed here */ } @@ -3149,7 +3154,9 @@ void vnc_display_open(DisplayState *ds, const char *display, Error **errp) acl = 1; #endif } else if (strncmp(options, "lossy", 5) == 0) { +#ifdef CONFIG_VNC_JPEG vs->lossy = true; +#endif } else if (strncmp(options, "non-adaptive", 12) == 0) { vs->non_adaptive = true; } else if (strncmp(options, "share=", 6) == 0) { @@ -3166,6 +3173,13 @@ void vnc_display_open(DisplayState *ds, const char *display, Error **errp) } } + /* adaptive updates are only used with tight encoding and + * if lossy updates are enabled so we can disable all the + * calculations otherwise */ + if (!vs->lossy) { + vs->non_adaptive = true; + } + #ifdef CONFIG_VNC_TLS if (acl && x509 && vs->tls.x509verify) { if (!(vs->tls.acl = qemu_acl_init("vnc.x509dname"))) { |