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
|
/**************************************************************************
*
* Copyright 2006 Tungsten Graphics, 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 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 TUNGSTEN GRAPHICS AND/OR ITS 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.
*
**************************************************************************/
#ifndef INTEL_BATCHBUFFER_H
#define INTEL_BATCHBUFFER_H
#include "mtypes.h"
#include "bufmgr.h"
struct intel_context;
#define BATCH_SZ (16 * 1024)
#define BATCH_REFILL 4096
#define BATCH_RESERVED 16
#define INTEL_BATCH_NO_CLIPRECTS 0x1
#define INTEL_BATCH_CLIPRECTS 0x2
struct intel_batchbuffer {
struct intel_context *intel;
struct buffer *buffer;
GLuint flags;
unsigned long offset;
GLubyte *map;
GLubyte *ptr;
};
struct intel_batchbuffer *intel_batchbuffer_alloc( struct intel_context *intel );
void intel_batchbuffer_free( struct intel_batchbuffer *batch );
GLboolean intel_batchbuffer_flush( struct intel_batchbuffer *batch );
void intel_batchbuffer_unmap( struct intel_batchbuffer *batch );
GLubyte *intel_batchbuffer_map( struct intel_batchbuffer *batch );
/* Unlike bmBufferData, this currently requires the buffer be mapped.
* Consider it a convenience function wrapping multple
* intel_buffer_dword() calls.
*/
void intel_batchbuffer_data(struct intel_batchbuffer *batch,
const void *data,
GLuint bytes,
GLuint flags);
void intel_batchbuffer_release_space(struct intel_batchbuffer *batch,
GLuint bytes);
/* Inline functions - might actually be better off with these
* non-inlined. Certainly better off switching all command packets to
* be passed as structs rather than dwords, but that's a little bit of
* work...
*/
static inline GLuint
intel_batchbuffer_space( struct intel_batchbuffer *batch )
{
return (BATCH_SZ - BATCH_RESERVED) - (batch->ptr - (batch->map + batch->offset));
}
static inline void
intel_batchbuffer_emit_dword(struct intel_batchbuffer *batch,
GLuint dword)
{
assert(batch->map);
assert(intel_batchbuffer_space(batch) >= 4);
*(GLuint *)(batch->ptr) = dword;
batch->ptr += 4;
}
static inline void
intel_batchbuffer_require_space(struct intel_batchbuffer *batch,
GLuint sz,
GLuint flags)
{
assert(sz < BATCH_SZ - 8);
if (intel_batchbuffer_space(batch) < sz ||
(batch->flags != 0 && flags != 0 && batch->flags != flags))
intel_batchbuffer_flush(batch);
batch->flags |= flags;
}
void intel_batchbuffer_align( struct intel_batchbuffer *batch,
GLuint align,
GLuint sz );
/* Here are the crusty old macros, to be removed:
*/
#define BATCH_LOCALS
#define BEGIN_BATCH(n, flags) intel_batchbuffer_require_space(intel->batch, n*4, flags)
#define OUT_BATCH(d) intel_batchbuffer_emit_dword(intel->batch, d)
#define OUT_RELOC(buf, flags, delta) do { \
assert((delta) >= 0); \
OUT_BATCH(bmBufferOffset(intel, buf) + delta); \
} while (0)
#define ADVANCE_BATCH() do { } while(0)
#endif
|
