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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
/**************************************************************************
*
* Copyright 2007 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.
*
**************************************************************************/
/**
* \file
* This is the interface that i965simple requires any window system
* hosting it to implement. This is the only include file in i965simple
* which is public.
*
*/
#ifndef BRW_WINSYS_H
#define BRW_WINSYS_H
#include "pipe/p_defines.h"
/* Pipe drivers are (meant to be!) independent of both GL and the
* window system. The window system provides a buffer manager and a
* set of additional hooks for things like command buffer submission,
* etc.
*
* There clearly has to be some agreement between the window system
* driver and the hardware driver about the format of command buffers,
* etc.
*/
struct pipe_buffer_handle;
struct pipe_fence_handle;
struct pipe_winsys;
/* The pipe driver currently understands the following chipsets:
*/
#define PCI_CHIP_I965_G 0x29A2
#define PCI_CHIP_I965_Q 0x2992
#define PCI_CHIP_I965_G_1 0x2982
#define PCI_CHIP_I965_GM 0x2A02
#define PCI_CHIP_I965_GME 0x2A12
/* These are the names of all the state caches managed by the driver.
*
* When data is uploaded to a buffer with buffer_subdata, we use the
* special version of that function below so that information about
* what type of data this is can be passed to the winsys backend.
* That in turn allows the correct flags to be set in the aub file
* dump to allow human-readable file dumps later on.
*/
enum brw_cache_id {
BRW_CC_VP,
BRW_CC_UNIT,
BRW_WM_PROG,
BRW_SAMPLER_DEFAULT_COLOR,
BRW_SAMPLER,
BRW_WM_UNIT,
BRW_SF_PROG,
BRW_SF_VP,
BRW_SF_UNIT,
BRW_VS_UNIT,
BRW_VS_PROG,
BRW_GS_UNIT,
BRW_GS_PROG,
BRW_CLIP_VP,
BRW_CLIP_UNIT,
BRW_CLIP_PROG,
BRW_SS_SURFACE,
BRW_SS_SURF_BIND,
BRW_MAX_CACHE
};
/**
* Additional winsys interface for i965simple.
*
* It is an over-simple batchbuffer mechanism. Will want to improve the
* performance of this, perhaps based on the cmdstream stuff. It
* would be pretty impossible to implement swz on top of this
* interface.
*
* Will also need additions/changes to implement static/dynamic
* indirect state.
*/
struct brw_winsys {
/**
* Reserve space on batch buffer.
*
* Returns a null pointer if there is insufficient space in the batch buffer
* to hold the requested number of dwords and relocations.
*
* The number of dwords should also include the number of relocations.
*/
unsigned *(*batch_start)(struct brw_winsys *sws,
unsigned dwords,
unsigned relocs);
void (*batch_dword)(struct brw_winsys *sws,
unsigned dword);
/**
* Emit a relocation to a buffer.
*
* Used not only when the buffer addresses are not pinned, but also to
* ensure refered buffers will not be destroyed until the current batch
* buffer execution is finished.
*
* The access flags is a combination of I915_BUFFER_ACCESS_WRITE and
* I915_BUFFER_ACCESS_READ macros.
*/
void (*batch_reloc)(struct brw_winsys *sws,
struct pipe_buffer_handle *buf,
unsigned access_flags,
unsigned delta);
/* Not used yet, but really want this:
*/
void (*batch_end)( struct brw_winsys *sws );
/**
* Flush the batch buffer.
*
* Fence argument must point to NULL or to a previous fence, and the caller
* must call fence_reference when done with the fence.
*/
void (*batch_flush)(struct brw_winsys *sws,
struct pipe_fence_handle **fence);
/* A version of buffer_subdata that includes information for the
* simulator:
*/
void (*buffer_subdata_typed)(struct brw_winsys *sws,
struct pipe_buffer_handle *buf,
unsigned long offset,
unsigned long size,
const void *data,
unsigned data_type);
};
#define BRW_BUFFER_ACCESS_WRITE 0x1
#define BRW_BUFFER_ACCESS_READ 0x2
#define BRW_BUFFER_USAGE_LIT_VERTEX (PIPE_BUFFER_USAGE_CUSTOM << 0)
struct pipe_context *brw_create(struct pipe_winsys *,
struct brw_winsys *,
unsigned pci_id);
static inline boolean brw_batchbuffer_data(struct brw_winsys *winsys,
const void *data,
unsigned bytes)
{
static const unsigned incr = sizeof(unsigned);
int i;
const unsigned *udata = (const unsigned*)(data);
unsigned size = bytes/incr;
for (i = 0; i < size; ++i) {
winsys->batch_dword(winsys, udata[i]);
}
return (i == size);
}
#endif
|
