1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/**********************************************************
* Copyright 2009 VMware, Inc. All rights reserved.
*
* 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 "vmw_screen.h"
#include "vmw_buffer.h"
#include "vmw_fence.h"
#include "pipebuffer/pb_buffer.h"
#include "pipebuffer/pb_bufmgr.h"
void
vmw_pools_cleanup(struct vmw_winsys_screen *vws)
{
if(vws->pools.gmr_fenced)
vws->pools.gmr_fenced->destroy(vws->pools.gmr_fenced);
/* gmr_mm pool is already destroyed above */
if(vws->pools.gmr)
vws->pools.gmr->destroy(vws->pools.gmr);
}
boolean
vmw_pools_init(struct vmw_winsys_screen *vws)
{
vws->pools.gmr = vmw_gmr_bufmgr_create(vws);
if(!vws->pools.gmr)
goto error;
vws->pools.gmr_mm = mm_bufmgr_create(vws->pools.gmr,
VMW_GMR_POOL_SIZE,
12 /* 4096 alignment */);
if(!vws->pools.gmr_mm)
goto error;
/*
* GMR buffers are typically shortlived, but it's possible that at a given
* instance a buffer is mapped. So to avoid stalling we tell pipebuffer to
* forbid creation of buffers beyond half the GMR pool size,
*
* XXX: It is unclear weather we want to limit the total amount of temporary
* malloc memory used to backup unvalidated GMR buffers. On one hand it is
* preferrable to fail an allocation than exhausting the guest memory with
* temporary data, but on the other hand it is possible that a stupid
* application creates large vertex buffers and does not use them for a long
* time -- since the svga pipe driver only emits the DMA uploads when a
* buffer is used for drawing this would effectively disabling swapping GMR
* buffers to memory. So far, the preemptively flush already seems to keep
* total allocated memory within relatively small numbers, so we don't
* limit.
*/
vws->pools.gmr_fenced = fenced_bufmgr_create(
vws->pools.gmr_mm,
vmw_fence_ops_create(vws),
VMW_GMR_POOL_SIZE/2,
~0);
#ifdef DEBUG
vws->pools.gmr_fenced = pb_debug_manager_create(vws->pools.gmr_fenced,
4096,
4096);
#endif
if(!vws->pools.gmr_fenced)
goto error;
return TRUE;
error:
vmw_pools_cleanup(vws);
return FALSE;
}
|
