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
|
/*
Copyright (C) Intel Corp. 2006. All Rights Reserved.
Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
develop this 3D driver.
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 THE COPYRIGHT OWNER(S) 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.
**********************************************************************/
/*
* Authors:
* Keith Whitwell <keith@tungstengraphics.com>
*/
#include "util/u_math.h"
#include "brw_context.h"
#include "brw_state.h"
#include "brw_defines.h"
#include "brw_debug.h"
struct brw_gs_unit_key {
unsigned int total_grf;
unsigned int urb_entry_read_length;
unsigned int curbe_offset;
unsigned int nr_urb_entries, urb_size;
GLboolean prog_active;
};
static void
gs_unit_populate_key(struct brw_context *brw, struct brw_gs_unit_key *key)
{
memset(key, 0, sizeof(*key));
/* CACHE_NEW_GS_PROG */
key->prog_active = brw->gs.prog_active;
if (key->prog_active) {
key->total_grf = brw->gs.prog_data->total_grf;
key->urb_entry_read_length = brw->gs.prog_data->urb_read_length;
} else {
key->total_grf = 1;
key->urb_entry_read_length = 1;
}
/* BRW_NEW_CURBE_OFFSETS */
key->curbe_offset = brw->curbe.clip_start;
/* BRW_NEW_URB_FENCE */
key->nr_urb_entries = brw->urb.nr_gs_entries;
key->urb_size = brw->urb.vsize;
}
static struct brw_winsys_buffer *
gs_unit_create_from_key(struct brw_context *brw, struct brw_gs_unit_key *key)
{
struct brw_gs_unit_state gs;
struct brw_winsys_buffer *bo;
memset(&gs, 0, sizeof(gs));
gs.thread0.grf_reg_count = align(key->total_grf, 16) / 16 - 1;
if (key->prog_active) /* reloc */
gs.thread0.kernel_start_pointer = brw->gs.prog_bo->offset >> 6;
gs.thread1.floating_point_mode = BRW_FLOATING_POINT_NON_IEEE_754;
gs.thread1.single_program_flow = 1;
gs.thread3.dispatch_grf_start_reg = 1;
gs.thread3.const_urb_entry_read_offset = 0;
gs.thread3.const_urb_entry_read_length = 0;
gs.thread3.urb_entry_read_offset = 0;
gs.thread3.urb_entry_read_length = key->urb_entry_read_length;
gs.thread4.nr_urb_entries = key->nr_urb_entries;
gs.thread4.urb_entry_allocation_size = key->urb_size - 1;
if (key->nr_urb_entries >= 8)
gs.thread4.max_threads = 1;
else
gs.thread4.max_threads = 0;
if (BRW_IS_IGDNG(brw))
gs.thread4.rendering_enable = 1;
if (BRW_DEBUG & DEBUG_STATS)
gs.thread4.stats_enable = 1;
bo = brw_upload_cache(&brw->cache, BRW_GS_UNIT,
key, sizeof(*key),
&brw->gs.prog_bo, 1,
&gs, sizeof(gs),
NULL, NULL);
if (key->prog_active) {
/* Emit GS program relocation */
brw->sws->bo_emit_reloc(bo,
I915_GEM_DOMAIN_INSTRUCTION, 0,
gs.thread0.grf_reg_count << 1,
offsetof(struct brw_gs_unit_state, thread0),
brw->gs.prog_bo);
}
return bo;
}
static int prepare_gs_unit(struct brw_context *brw)
{
struct brw_gs_unit_key key;
gs_unit_populate_key(brw, &key);
brw->sws->bo_unreference(brw->gs.state_bo);
brw->gs.state_bo = brw_search_cache(&brw->cache, BRW_GS_UNIT,
&key, sizeof(key),
&brw->gs.prog_bo, 1,
NULL);
if (brw->gs.state_bo == NULL) {
brw->gs.state_bo = gs_unit_create_from_key(brw, &key);
}
return 0;
}
const struct brw_tracked_state brw_gs_unit = {
.dirty = {
.mesa = 0,
.brw = (BRW_NEW_CURBE_OFFSETS |
BRW_NEW_URB_FENCE),
.cache = CACHE_NEW_GS_PROG
},
.prepare = prepare_gs_unit,
};
|
