vmw_screen.c revision d12f2bb9c03a9e8a08824c849200f5b23c05914c 
1/**********************************************************
2 * Copyright 2009 VMware, Inc.  All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 *
24 **********************************************************/
25
26
27#include "vmw_screen.h"
28
29#include "vmw_context.h"
30
31#include "util/u_memory.h"
32#include "pipe/p_compiler.h"
33
34
35/* Called from vmw_drm_create_screen(), creates and initializes the
36 * vmw_winsys_screen structure, which is the main entity in this
37 * module.
38 */
39struct vmw_winsys_screen *
40vmw_winsys_create( int fd, boolean use_old_scanout_flag )
41{
42   struct vmw_winsys_screen *vws = CALLOC_STRUCT(vmw_winsys_screen);
43   if (!vws)
44      goto out_no_vws;
45
46   vws->ioctl.drm_fd = fd;
47   vws->use_old_scanout_flag = use_old_scanout_flag;
48   debug_printf("%s: use_old_scanout_flag == %s\n", __FUNCTION__,
49		use_old_scanout_flag ? "true" : "false");
50
51   if (!vmw_ioctl_init(vws))
52      goto out_no_ioctl;
53
54   if(!vmw_pools_init(vws))
55      goto out_no_pools;
56
57   if (!vmw_winsys_screen_init_svga(vws))
58      goto out_no_svga;
59
60   return vws;
61out_no_svga:
62   vmw_pools_cleanup(vws);
63out_no_pools:
64   vmw_ioctl_cleanup(vws);
65out_no_ioctl:
66   FREE(vws);
67out_no_vws:
68   return NULL;
69}
70
71void
72vmw_winsys_destroy(struct vmw_winsys_screen *vws)
73{
74   vmw_pools_cleanup(vws);
75   vmw_ioctl_cleanup(vws);
76   FREE(vws);
77}
78
79void
80vmw_winsys_screen_set_throttling(struct pipe_screen *screen,
81				 uint32_t throttle_us)
82{
83   struct vmw_winsys_screen  *vws =
84      vmw_winsys_screen(svga_winsys_screen(screen));
85
86   vws->default_throttle_us = throttle_us;
87}
88