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
|
/*
* $Id$
*
* Copyright © 2003 Eric Anholt
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Eric Anholt not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Eric Anholt makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* ERIC ANHOLT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL ERIC ANHOLT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Header$ */
#ifndef _ATI_DRAW_H_
#define _ATI_DRAW_H_
#ifdef USE_DRI
#define DMA_PACKET0( reg, n ) \
(RADEON_CP_PACKET0 | ((n) << 16) | ((reg) >> 2))
#define RING_LOCALS CARD32 *__head; int __count;
#define BEGIN_RING( n ) \
do { \
if (atis->indirectBuffer == NULL) { \
atis->indirectBuffer = ATIDMAGetBuffer(); \
atis->indirectStart = 0; \
} else if ((atis->indirectBuffer->used + 4*(n)) > \
atis->indirectBuffer->total) { \
ATIDMAFlushIndirect(1); \
} \
__head = (pointer)((char *)atis->indirectBuffer->address + \
atis->indirectBuffer->used); \
__count = 0; \
} while (0)
#define ADVANCE_RING() do { \
atis->indirectBuffer->used += __count * (int)sizeof(CARD32); \
} while (0)
#define OUT_RING(x) do { \
MMIO_OUT32(&__head[__count++], 0, (x)); \
} while (0)
#define OUT_RING_REG(reg, val) \
do { \
OUT_RING(DMA_PACKET0(reg, 0)); \
OUT_RING(val); \
} while (0)
drmBufPtr ATIDMAGetBuffer(void);
void ATIDMAFlushIndirect(Bool discard);
void ATIDMADispatchIndirect(Bool discard);
void ATIDMAStart(ScreenPtr pScreen);
void ATIDMAStop(ScreenPtr pScreen);
#endif /* USE_DRI */
#if 0
#define ATI_FALLBACK(x) \
do { \
ErrorF x; \
return FALSE; \
} while (0)
#else
#define ATI_FALLBACK(x) return FALSE
#endif
#endif /* _ATI_DRAW_H_ */
|
