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
|
/*
* Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
* Copyright 2010 Marek Olšák <maraeo@gmail.com>
*
* 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
* on 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
* THE AUTHOR(S) AND/OR THEIR 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. */
#include "draw/draw_context.h"
#include "draw/draw_private.h"
#include "util/u_simple_list.h"
#include "util/u_upload_mgr.h"
#include "os/os_time.h"
#include "r300_context.h"
#include "r300_cs.h"
#include "r300_emit.h"
static void r300_flush_and_cleanup(struct r300_context *r300, unsigned flags,
struct pipe_fence_handle **fence)
{
struct r300_atom *atom;
r300_emit_hyperz_end(r300);
r300_emit_query_end(r300);
if (r300->screen->caps.is_r500)
r500_emit_index_bias(r300, 0);
/* The DDX doesn't set these regs. */
if (r300->screen->info.drm_minor >= 6) {
CS_LOCALS(r300);
OUT_CS_REG_SEQ(R300_GB_MSPOS0, 2);
OUT_CS(0x66666666);
OUT_CS(0x6666666);
}
r300->flush_counter++;
r300->rws->cs_flush(r300->cs, flags, fence, 0);
r300->dirty_hw = 0;
/* New kitchen sink, baby. */
foreach_atom(r300, atom) {
if (atom->state || atom->allow_null_state) {
r300_mark_atom_dirty(r300, atom);
}
}
r300->vertex_arrays_dirty = TRUE;
/* Unmark HWTCL state for SWTCL. */
if (!r300->screen->caps.has_tcl) {
r300->vs_state.dirty = FALSE;
r300->vs_constants.dirty = FALSE;
r300->clip_state.dirty = FALSE;
}
}
void r300_flush(struct pipe_context *pipe,
unsigned flags,
struct pipe_fence_handle **fence)
{
struct r300_context *r300 = r300_context(pipe);
if (r300->screen->info.drm_minor >= 12) {
flags |= RADEON_FLUSH_KEEP_TILING_FLAGS;
}
if (r300->dirty_hw) {
r300_flush_and_cleanup(r300, flags, fence);
} else {
if (fence) {
/* We have to create a fence object, but the command stream is empty
* and we cannot emit an empty CS. Let's write to some reg. */
CS_LOCALS(r300);
OUT_CS_REG(RB3D_COLOR_CHANNEL_MASK, 0);
r300->rws->cs_flush(r300->cs, flags, fence, 0);
} else {
/* Even if hw is not dirty, we should at least reset the CS in case
* the space checking failed for the first draw operation. */
r300->rws->cs_flush(r300->cs, flags, NULL, 0);
}
}
/* Update Hyper-Z status. */
if (r300->hyperz_enabled) {
/* If there was a Z clear, keep Hyper-Z access. */
if (r300->num_z_clears) {
r300->hyperz_time_of_last_flush = os_time_get();
r300->num_z_clears = 0;
} else if (r300->hyperz_time_of_last_flush - os_time_get() > 2000000) {
/* If there hasn't been a Z clear for 2 seconds, revoke Hyper-Z access. */
r300->hiz_in_use = FALSE;
/* Decompress the Z buffer. */
if (r300->zmask_in_use) {
if (r300->locked_zbuffer) {
r300_decompress_zmask_locked(r300);
} else {
r300_decompress_zmask(r300);
}
if (fence && *fence)
r300->rws->fence_reference(fence, NULL);
r300_flush_and_cleanup(r300, flags, fence);
}
/* Revoke Hyper-Z access, so that some other process can take it. */
r300->rws->cs_request_feature(r300->cs, RADEON_FID_R300_HYPERZ_ACCESS,
FALSE);
r300->hyperz_enabled = FALSE;
}
}
}
static void r300_flush_wrapped(struct pipe_context *pipe,
struct pipe_fence_handle **fence,
unsigned flags)
{
r300_flush(pipe,
flags & PIPE_FLUSH_END_OF_FRAME ? RADEON_FLUSH_END_OF_FRAME : 0,
fence);
}
void r300_init_flush_functions(struct r300_context* r300)
{
r300->context.flush = r300_flush_wrapped;
}
|