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
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
/* $XFree86$ */
/**************************************************************************
Copyright 1999, 2000 ATI Technologies Inc. and Precision Insight, Inc.,
Cedar Park, Texas.
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
on the rights to use, copy, modify, merge, publish, distribute, sub
license, 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 (including the next
paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL
ATI, PRECISION INSIGHT AND/OR THEIR SUPPLIERS 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.
**************************************************************************/
/*
* Authors:
* Kevin E. Martin <kevin@precisioninsight.com>
*
*/
#ifndef _R128_CCE_H_
#define _R128_CCE_H_
#ifdef GLX_DIRECT_RENDERING
#include "r128_dri.h"
#include "r128_reg.h"
#include "xf86drmR128.h"
typedef union {
float f;
int i;
} floatTOint;
#define R128_DEFAULT_TOTAL_CCE_TIMEOUT 1000000 /* usecs */
/* Insert an integer value into the CCE ring buffer. */
#define R128CCE(v) \
do { \
r128ctx->CCEbuf[r128ctx->CCEcount] = (v); \
r128ctx->CCEcount++; \
} while (0)
/* Insert an floating point value into the CCE ring buffer. */
#define R128CCEF(v) \
do { \
floatTOint fTi; \
fTi.f = (v); \
r128ctx->CCEbuf[r128ctx->CCEcount] = fTi.i; \
r128ctx->CCEcount++; \
} while (0)
#if USE_USER_SPACE_RING
#define R128CCE_SUBMIT_PACKETS() \
do { \
r128CCESubmitPackets(r128ctx, r128ctx->CCEbuf, r128ctx->CCEcount); \
r128ctx->CCEcount = 0; \
} while (0)
#define R128CCE_WAIT_FOR_IDLE(r128ctx) \
r128CCEWaitForIdle(r128ctx->r128Screen)
#else /* if !USE_USER_SPACE_RING */
#define R128CCE_SUBMIT_PACKETS() \
do { \
CARD32 *_buf; \
int _c = r128ctx->CCEcount; \
int _fd = r128ctx->r128Screen->driScreen->fd; \
int _to = 0; \
int _ret; \
\
do { \
_buf = r128ctx->CCEbuf + (r128ctx->CCEcount - _c); \
_ret = drmR128SubmitPackets(_fd, _buf, &_c, 0); \
} while (_ret < 0 && _ret == -EBUSY && _to++ < r128ctx->CCEtimeout); \
if (_ret < 0) { \
(void)drmR128EngineReset(_fd); \
fprintf(stderr, "Error: Could not submit packet... exiting\n"); \
exit(-1); \
} \
r128ctx->CCEcount = 0; \
} while (0)
#define R128CCE_WAIT_FOR_IDLE(r128ctx) \
do { \
int _fd = r128ctx->r128Screen->driScreen->fd; \
int _to = 0; \
int _ret; \
\
(void)drmR128EngineFlush(_fd); \
do { \
_ret = drmR128CCEWaitForIdle(_fd); \
} while (_ret < 0 && _ret == -EBUSY && _to++ < r128ctx->CCEtimeout); \
if (_ret < 0) { \
(void)drmR128EngineReset(_fd); \
fprintf(stderr, "Error: Rage 128 timed out... exiting\n"); \
exit(-1); \
} \
} while (0)
#endif
#define R128CCE_WAIT_FOR_IDLE_LOCK(r128ctx) \
do { \
LOCK_HARDWARE(r128ctx); \
R128CCE_WAIT_FOR_IDLE(r128ctx); \
UNLOCK_HARDWARE(r128ctx); \
} while (0)
/* Insert a type-[0123] packet header into the ring buffer */
#define R128CCE0(p,r,n) R128CCE((p) | ((n) << 16) | ((r) >> 2))
#define R128CCE1(p,r1,r2) R128CCE((p) | (((r2) >> 2) << 11) | ((r1) >> 2))
#define R128CCE2(p) R128CCE((p))
#define R128CCE3(p,n) R128CCE((p) | ((n) << 16))
#if USE_USER_SPACE_RING
extern void r128CCEWaitForIdle(r128ScreenPtr pScrn);
extern void r128CCESubmitPackets(r128ContextPtr r128ctx,
CARD32 *buf, int count);
#endif
#endif
#endif /* _R128_CCE_H_ */
|
