diff options
Diffstat (limited to 'ui')
| -rw-r--r-- | ui/vnc.c | 65 | ||||
| -rw-r--r-- | ui/vnc.h | 6 |
2 files changed, 46 insertions, 25 deletions
@@ -442,17 +442,19 @@ static void vnc_dpy_update(DisplayChangeListener *dcl, 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); + 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); - for (; y < h; y++) - for (i = 0; i < w; i += 16) - set_bit((x + i) / 16, s->dirty[y]); + for (; y < h; y++) { + for (i = 0; i < w; i += VNC_DIRTY_PIXELS_PER_BIT) { + set_bit((x + i) / VNC_DIRTY_PIXELS_PER_BIT, s->dirty[y]); + } + } } void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h, @@ -769,11 +771,12 @@ 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 +784,11 @@ 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 +796,8 @@ 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]); } } } @@ -904,7 +909,7 @@ static int vnc_update_client(VncState *vs, int has_dirty, bool sync) for (y = 0; y < height; y++) { int x; int last_x = -1; - for (x = 0; x < width / 16; x++) { + for (x = 0; x < width / VNC_DIRTY_PIXELS_PER_BIT; x++) { if (test_and_clear_bit(x, vs->dirty[y])) { if (last_x == -1) { last_x = x; @@ -914,16 +919,22 @@ static int vnc_update_client(VncState *vs, int has_dirty, bool sync) 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); + n += vnc_job_add_rect(job, + last_x * VNC_DIRTY_PIXELS_PER_BIT, + y, + (x - last_x) * + VNC_DIRTY_PIXELS_PER_BIT, + h); } last_x = -1; } } 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); + n += vnc_job_add_rect(job, last_x * VNC_DIRTY_PIXELS_PER_BIT, + y, + (x - last_x) * VNC_DIRTY_PIXELS_PER_BIT, + h); } } @@ -1841,7 +1852,7 @@ 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) { @@ -2543,7 +2554,9 @@ 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++; } @@ -2690,17 +2703,21 @@ static int vnc_refresh_server_surface(VncDisplay *vd) } server_ptr = server_row; - 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])) + for (x = 0; x + VNC_DIRTY_PIXELS_PER_BIT - 1 < width; + x += VNC_DIRTY_PIXELS_PER_BIT, guest_ptr += cmp_bytes, + server_ptr += cmp_bytes) { + if (!test_and_clear_bit((x / VNC_DIRTY_PIXELS_PER_BIT), + vd->guest.dirty[y])) { continue; - if (memcmp(server_ptr, guest_ptr, cmp_bytes) == 0) + } + 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]); + set_bit((x / VNC_DIRTY_PIXELS_PER_BIT), vs->dirty[y]); } has_dirty++; } @@ -81,8 +81,12 @@ typedef void VncSendHextileTile(VncState *vs, #define VNC_MAX_WIDTH 2560 #define VNC_MAX_HEIGHT 2048 +/* VNC_DIRTY_PIXELS_PER_BIT is the number of dirty pixels represented + * by one bit in the dirty bitmap */ +#define VNC_DIRTY_PIXELS_PER_BIT 16 + /* VNC_DIRTY_BITS is the number of bits in the dirty bitmap. */ -#define VNC_DIRTY_BITS (VNC_MAX_WIDTH / 16) +#define VNC_DIRTY_BITS (VNC_MAX_WIDTH / VNC_DIRTY_PIXELS_PER_BIT) #define VNC_STAT_RECT 64 #define VNC_STAT_COLS (VNC_MAX_WIDTH / VNC_STAT_RECT) |