summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/r300/r300_query.c
blob: 014055b221e061a2eb27cb64a5fd6fc24ab37366 (plain)
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
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
/*
 * Copyright 2009 Corbin Simpson <MostAwesomeDude@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 "util/u_memory.h"
#include "util/simple_list.h"

#include "r300_context.h"
#include "r300_screen.h"
#include "r300_emit.h"

#include <stdio.h>

static struct pipe_query *r300_create_query(struct pipe_context *pipe,
                                            unsigned query_type,
                                            unsigned index)
{
    struct r300_context *r300 = r300_context(pipe);
    struct r300_screen *r300screen = r300->screen;
    struct r300_query *q;

    if (query_type != PIPE_QUERY_OCCLUSION_COUNTER &&
        query_type != PIPE_QUERY_OCCLUSION_PREDICATE &&
        query_type != PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE &&
        query_type != PIPE_QUERY_GPU_FINISHED) {
        return NULL;
    }

    q = CALLOC_STRUCT(r300_query);
    if (!q)
        return NULL;

    q->type = query_type;

    if (query_type == PIPE_QUERY_GPU_FINISHED) {
        return (struct pipe_query*)q;
    }

    if (r300screen->caps.family == CHIP_RV530)
        q->num_pipes = r300screen->info.r300_num_z_pipes;
    else
        q->num_pipes = r300screen->info.r300_num_gb_pipes;

    q->buf = r300->rws->buffer_create(r300->rws,
                                      r300screen->info.gart_page_size,
                                      r300screen->info.gart_page_size,
                                      RADEON_DOMAIN_GTT, 0);
    if (!q->buf) {
        FREE(q);
        return NULL;
    }
    return (struct pipe_query*)q;
}

static void r300_destroy_query(struct pipe_context* pipe,
                               struct pipe_query* query)
{
    struct r300_query* q = r300_query(query);

    pb_reference(&q->buf, NULL);
    FREE(query);
}

void r300_resume_query(struct r300_context *r300,
                       struct r300_query *query)
{
    r300->query_current = query;
    r300_mark_atom_dirty(r300, &r300->query_start);
}

static boolean r300_begin_query(struct pipe_context* pipe,
                                struct pipe_query* query)
{
    struct r300_context* r300 = r300_context(pipe);
    struct r300_query* q = r300_query(query);

    if (q->type == PIPE_QUERY_GPU_FINISHED)
        return true;

    if (r300->query_current != NULL) {
        fprintf(stderr, "r300: begin_query: "
                "Some other query has already been started.\n");
        assert(0);
        return false;
    }

    q->num_results = 0;
    r300_resume_query(r300, q);
    return true;
}

void r300_stop_query(struct r300_context *r300)
{
    r300_emit_query_end(r300);
    r300->query_current = NULL;
}

static bool r300_end_query(struct pipe_context* pipe,
	                   struct pipe_query* query)
{
    struct r300_context* r300 = r300_context(pipe);
    struct r300_query *q = r300_query(query);

    if (q->type == PIPE_QUERY_GPU_FINISHED) {
        pb_reference(&q->buf, NULL);
        r300_flush(pipe, PIPE_FLUSH_ASYNC,
                   (struct pipe_fence_handle**)&q->buf);
        return true;
    }

    if (q != r300->query_current) {
        fprintf(stderr, "r300: end_query: Got invalid query.\n");
        assert(0);
        return false;
    }

    r300_stop_query(r300);

    return true;
}

static boolean r300_get_query_result(struct pipe_context* pipe,
                                     struct pipe_query* query,
                                     boolean wait,
                                     union pipe_query_result *vresult)
{
    struct r300_context* r300 = r300_context(pipe);
    struct r300_query *q = r300_query(query);
    unsigned i;
    uint32_t temp, *map;

    if (q->type == PIPE_QUERY_GPU_FINISHED) {
        if (wait) {
            r300->rws->buffer_wait(q->buf, PIPE_TIMEOUT_INFINITE,
                                   RADEON_USAGE_READWRITE);
            vresult->b = TRUE;
        } else {
            vresult->b = r300->rws->buffer_wait(q->buf, 0, RADEON_USAGE_READWRITE);
        }
        return vresult->b;
    }

    map = r300->rws->buffer_map(q->buf, r300->cs,
                                PIPE_TRANSFER_READ |
                                (!wait ? PIPE_TRANSFER_DONTBLOCK : 0));
    if (!map)
        return FALSE;

    /* Sum up the results. */
    temp = 0;
    for (i = 0; i < q->num_results; i++) {
        /* Convert little endian values written by GPU to CPU byte order */
        temp += util_le32_to_cpu(*map);
        map++;
    }

    if (q->type == PIPE_QUERY_OCCLUSION_PREDICATE ||
        q->type == PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE) {
        vresult->b = temp != 0;
    } else {
        vresult->u64 = temp;
    }
    return TRUE;
}

static void r300_render_condition(struct pipe_context *pipe,
                                  struct pipe_query *query,
                                  boolean condition,
                                  enum pipe_render_cond_flag mode)
{
    struct r300_context *r300 = r300_context(pipe);
    union pipe_query_result result;
    boolean wait;

    r300->skip_rendering = FALSE;

    if (query) {
        wait = mode == PIPE_RENDER_COND_WAIT ||
               mode == PIPE_RENDER_COND_BY_REGION_WAIT;

        if (r300_get_query_result(pipe, query, wait, &result)) {
            if (r300_query(query)->type == PIPE_QUERY_OCCLUSION_PREDICATE ||
                r300_query(query)->type == PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE) {
                r300->skip_rendering = condition == result.b;
            } else {
                r300->skip_rendering = condition == !!result.u64;
            }
        }
    }
}

static void
r300_set_active_query_state(struct pipe_context *pipe, boolean enable)
{
}

void r300_init_query_functions(struct r300_context* r300)
{
    r300->context.create_query = r300_create_query;
    r300->context.destroy_query = r300_destroy_query;
    r300->context.begin_query = r300_begin_query;
    r300->context.end_query = r300_end_query;
    r300->context.get_query_result = r300_get_query_result;
    r300->context.set_active_query_state = r300_set_active_query_state;
    r300->context.render_condition = r300_render_condition;
}