diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/ui/vnc-enc-hextile.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/ui/vnc-enc-hextile.c')
-rw-r--r-- | qemu/ui/vnc-enc-hextile.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/qemu/ui/vnc-enc-hextile.c b/qemu/ui/vnc-enc-hextile.c new file mode 100644 index 000000000..2e768fd89 --- /dev/null +++ b/qemu/ui/vnc-enc-hextile.c @@ -0,0 +1,83 @@ +/* + * QEMU VNC display driver: hextile encoding + * + * Copyright (C) 2006 Anthony Liguori <anthony@codemonkey.ws> + * Copyright (C) 2006 Fabrice Bellard + * Copyright (C) 2009 Red Hat, Inc + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "vnc.h" + +static void hextile_enc_cord(uint8_t *ptr, int x, int y, int w, int h) +{ + ptr[0] = ((x & 0x0F) << 4) | (y & 0x0F); + ptr[1] = (((w - 1) & 0x0F) << 4) | ((h - 1) & 0x0F); +} + +#define BPP 32 +#include "vnc-enc-hextile-template.h" +#undef BPP + +#define GENERIC +#define BPP 32 +#include "vnc-enc-hextile-template.h" +#undef BPP +#undef GENERIC + +int vnc_hextile_send_framebuffer_update(VncState *vs, int x, + int y, int w, int h) +{ + int i, j; + int has_fg, has_bg; + uint8_t *last_fg, *last_bg; + + last_fg = (uint8_t *) g_malloc(VNC_SERVER_FB_BYTES); + last_bg = (uint8_t *) g_malloc(VNC_SERVER_FB_BYTES); + has_fg = has_bg = 0; + for (j = y; j < (y + h); j += 16) { + for (i = x; i < (x + w); i += 16) { + vs->hextile.send_tile(vs, i, j, + MIN(16, x + w - i), MIN(16, y + h - j), + last_bg, last_fg, &has_bg, &has_fg); + } + } + g_free(last_fg); + g_free(last_bg); + + return 1; +} + +void vnc_hextile_set_pixel_conversion(VncState *vs, int generic) +{ + if (!generic) { + switch (VNC_SERVER_FB_BITS) { + case 32: + vs->hextile.send_tile = send_hextile_tile_32; + break; + } + } else { + switch (VNC_SERVER_FB_BITS) { + case 32: + vs->hextile.send_tile = send_hextile_tile_generic_32; + break; + } + } +} |