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
143
144
145
146
147
148
149
150
151
|
/* -*- mode: c; c-basic-offset: 3 -*- */
/*
* Copyright 2000 Gareth Hughes
* 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 (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 NONINFRINGEMENT. IN NO EVENT SHALL
* GARETH HUGHES 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:
* Gareth Hughes <gareth@valinux.com>
* Leif Delgass <ldelgass@retinalburn.net>
* Jos� Fonseca <j_r_fonseca@yahoo.co.uk>
*/
#ifndef __MACH64_IOCTL_H__
#define __MACH64_IOCTL_H__
#include <stdio.h>
#include <stdlib.h>
#include "mach64_dri.h"
#include "mach64_reg.h"
#include "mach64_lock.h"
#define MACH64_BUFFER_MAX_DWORDS (MACH64_BUFFER_SIZE / sizeof(CARD32))
extern drmBufPtr mach64GetBufferLocked( mach64ContextPtr mmesa );
extern void mach64FlushVerticesLocked( mach64ContextPtr mmesa );
extern void mach64FlushDMALocked( mach64ContextPtr mmesa );
extern void mach64UploadHwStateLocked( mach64ContextPtr mmesa );
static INLINE void *mach64AllocDmaLow( mach64ContextPtr mmesa, int bytes )
{
CARD32 *head;
if ( mmesa->vert_used + bytes > mmesa->vert_total ) {
LOCK_HARDWARE( mmesa );
mach64FlushVerticesLocked( mmesa );
UNLOCK_HARDWARE( mmesa );
}
head = (CARD32 *)((char *)mmesa->vert_buf + mmesa->vert_used);
mmesa->vert_used += bytes;
return head;
}
static INLINE void *mach64AllocDmaLocked( mach64ContextPtr mmesa, int bytes )
{
CARD32 *head;
if ( mmesa->vert_used + bytes > mmesa->vert_total ) {
mach64FlushVerticesLocked( mmesa );
}
head = (CARD32 *)((char *)mmesa->vert_buf + mmesa->vert_used);
mmesa->vert_used += bytes;
return head;
}
extern void mach64FireBlitLocked( mach64ContextPtr mmesa, void *buffer,
GLint offset, GLint pitch, GLint format,
GLint x, GLint y, GLint width, GLint height );
extern void mach64CopyBuffer( __DRIdrawable *dPriv );
#if ENABLE_PERF_BOXES
extern void mach64PerformanceCounters( mach64ContextPtr mmesa );
extern void mach64PerformanceBoxesLocked( mach64ContextPtr mmesa );
#endif
extern void mach64WaitForIdleLocked( mach64ContextPtr mmesa );
extern void mach64InitIoctlFuncs( struct dd_function_table *functions );
/* ================================================================
* Helper macros:
*/
#define FLUSH_BATCH( mmesa ) \
do { \
if ( MACH64_DEBUG & DEBUG_VERBOSE_IOCTL ) \
fprintf( stderr, "FLUSH_BATCH in %s\n", __FUNCTION__ ); \
if ( mmesa->vert_used ) { \
mach64FlushVertices( mmesa ); \
} \
} while (0)
/* According to a comment in ATIMach64Sync (atimach64.c) in the DDX:
*
* "For VTB's and later, the first CPU read of the framebuffer will return
* zeroes [...] This appears to be due to some kind of engine
* caching of framebuffer data I haven't found any way of disabling, or
* otherwise circumventing."
*/
#define FINISH_DMA_LOCKED( mmesa ) \
do { \
CARD32 _tmp; \
if ( MACH64_DEBUG & DEBUG_VERBOSE_IOCTL ) \
fprintf( stderr, "FINISH_DMA_LOCKED in %s\n", __FUNCTION__ ); \
if ( mmesa->vert_used ) { \
mach64FlushVerticesLocked( mmesa ); \
} \
mach64WaitForIdleLocked( mmesa ); \
/* pre-read framebuffer to counter caching problem */ \
_tmp = *(volatile CARD32 *)mmesa->driScreen->pFB; \
} while (0)
#define FLUSH_DMA_LOCKED( mmesa ) \
do { \
if ( MACH64_DEBUG & DEBUG_VERBOSE_IOCTL ) \
fprintf( stderr, "FLUSH_DMA_LOCKED in %s\n", __FUNCTION__ ); \
if ( mmesa->vert_used ) { \
mach64FlushVerticesLocked( mmesa ); \
} \
mach64FlushDMALocked( mmesa ); \
} while (0)
#define mach64FlushVertices( mmesa ) \
do { \
LOCK_HARDWARE( mmesa ); \
mach64FlushVerticesLocked( mmesa ); \
UNLOCK_HARDWARE( mmesa ); \
} while (0)
#define mach64WaitForIdle( mmesa ) \
do { \
LOCK_HARDWARE( mmesa ); \
mach64WaitForIdleLocked( mmesa ); \
UNLOCK_HARDWARE( mmesa ); \
} while (0)
#endif /* __MACH64_IOCTL_H__ */
|
