diff options
| author | Gerd Hoffmann <kraxel@redhat.com> | 2017-04-21 11:16:28 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2017-04-24 10:12:28 +0200 |
| commit | 167e9c7982b0bd6da2de9623c91cdee3a1754899 (patch) | |
| tree | d33e07c489f25586e440afb0209471ba11c25f1e /hw/display | |
| parent | fec5e8c92becad223df9d972770522f64aafdb72 (diff) | |
| download | qemu-167e9c7982b0bd6da2de9623c91cdee3a1754899.zip | |
framebuffer: make display updates thread safe
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170421091632.30900-6-kraxel@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/display')
| -rw-r--r-- | hw/display/framebuffer.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/hw/display/framebuffer.c b/hw/display/framebuffer.c index 25aa46c8c7..d7310d25f2 100644 --- a/hw/display/framebuffer.c +++ b/hw/display/framebuffer.c @@ -67,7 +67,7 @@ void framebuffer_update_display( int *first_row, /* Input and output. */ int *last_row /* Output only */) { - hwaddr src_len; + DirtyBitmapSnapshot *snap; uint8_t *dest; uint8_t *src; int first, last = 0; @@ -78,7 +78,6 @@ void framebuffer_update_display( i = *first_row; *first_row = -1; - src_len = (hwaddr)src_width * rows; mem = mem_section->mr; if (!mem) { @@ -102,9 +101,10 @@ void framebuffer_update_display( src += i * src_width; dest += i * dest_row_pitch; + snap = memory_region_snapshot_and_clear_dirty(mem, addr, src_width * rows, + DIRTY_MEMORY_VGA); for (; i < rows; i++) { - dirty = memory_region_get_dirty(mem, addr, src_width, - DIRTY_MEMORY_VGA); + dirty = memory_region_snapshot_get_dirty(mem, snap, addr, src_width); if (dirty || invalidate) { fn(opaque, dest, src, cols, dest_col_pitch); if (first == -1) @@ -115,11 +115,10 @@ void framebuffer_update_display( src += src_width; dest += dest_row_pitch; } + g_free(snap); if (first < 0) { return; } - memory_region_reset_dirty(mem, mem_section->offset_within_region, src_len, - DIRTY_MEMORY_VGA); *first_row = first; *last_row = last; } |