1 /*
2 * Copyright 2009 Corbin Simpson <MostAwesomeDude@gmail.com>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
22
23 #include "util/u_memory.h"
24 #include "util/simple_list.h"
25
26 #include "r300_context.h"
27 #include "r300_screen.h"
28 #include "r300_emit.h"
29
30 #include <stdio.h>
31
r300_create_query(struct pipe_context * pipe,unsigned query_type,unsigned index)32 static struct pipe_query *r300_create_query(struct pipe_context *pipe,
33 unsigned query_type,
34 unsigned index)
35 {
36 struct r300_context *r300 = r300_context(pipe);
37 struct r300_screen *r300screen = r300->screen;
38 struct r300_query *q;
39
40 if (query_type != PIPE_QUERY_OCCLUSION_COUNTER &&
41 query_type != PIPE_QUERY_OCCLUSION_PREDICATE &&
42 query_type != PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE &&
43 query_type != PIPE_QUERY_GPU_FINISHED) {
44 return NULL;
45 }
46
47 q = CALLOC_STRUCT(r300_query);
48 if (!q)
49 return NULL;
50
51 q->type = query_type;
52
53 if (query_type == PIPE_QUERY_GPU_FINISHED) {
54 return (struct pipe_query*)q;
55 }
56
57 if (r300screen->caps.family == CHIP_RV530)
58 q->num_pipes = r300screen->info.r300_num_z_pipes;
59 else
60 q->num_pipes = r300screen->info.r300_num_gb_pipes;
61
62 q->buf = r300->rws->buffer_create(r300->rws,
63 r300screen->info.gart_page_size,
64 r300screen->info.gart_page_size,
65 RADEON_DOMAIN_GTT, 0);
66 if (!q->buf) {
67 FREE(q);
68 return NULL;
69 }
70 return (struct pipe_query*)q;
71 }
72
r300_destroy_query(struct pipe_context * pipe,struct pipe_query * query)73 static void r300_destroy_query(struct pipe_context* pipe,
74 struct pipe_query* query)
75 {
76 struct r300_query* q = r300_query(query);
77
78 pb_reference(&q->buf, NULL);
79 FREE(query);
80 }
81
r300_resume_query(struct r300_context * r300,struct r300_query * query)82 void r300_resume_query(struct r300_context *r300,
83 struct r300_query *query)
84 {
85 r300->query_current = query;
86 r300_mark_atom_dirty(r300, &r300->query_start);
87 }
88
r300_begin_query(struct pipe_context * pipe,struct pipe_query * query)89 static boolean r300_begin_query(struct pipe_context* pipe,
90 struct pipe_query* query)
91 {
92 struct r300_context* r300 = r300_context(pipe);
93 struct r300_query* q = r300_query(query);
94
95 if (q->type == PIPE_QUERY_GPU_FINISHED)
96 return true;
97
98 if (r300->query_current != NULL) {
99 fprintf(stderr, "r300: begin_query: "
100 "Some other query has already been started.\n");
101 assert(0);
102 return false;
103 }
104
105 q->num_results = 0;
106 r300_resume_query(r300, q);
107 return true;
108 }
109
r300_stop_query(struct r300_context * r300)110 void r300_stop_query(struct r300_context *r300)
111 {
112 r300_emit_query_end(r300);
113 r300->query_current = NULL;
114 }
115
r300_end_query(struct pipe_context * pipe,struct pipe_query * query)116 static bool r300_end_query(struct pipe_context* pipe,
117 struct pipe_query* query)
118 {
119 struct r300_context* r300 = r300_context(pipe);
120 struct r300_query *q = r300_query(query);
121
122 if (q->type == PIPE_QUERY_GPU_FINISHED) {
123 pb_reference(&q->buf, NULL);
124 r300_flush(pipe, PIPE_FLUSH_ASYNC,
125 (struct pipe_fence_handle**)&q->buf);
126 return true;
127 }
128
129 if (q != r300->query_current) {
130 fprintf(stderr, "r300: end_query: Got invalid query.\n");
131 assert(0);
132 return false;
133 }
134
135 r300_stop_query(r300);
136
137 return true;
138 }
139
r300_get_query_result(struct pipe_context * pipe,struct pipe_query * query,boolean wait,union pipe_query_result * vresult)140 static boolean r300_get_query_result(struct pipe_context* pipe,
141 struct pipe_query* query,
142 boolean wait,
143 union pipe_query_result *vresult)
144 {
145 struct r300_context* r300 = r300_context(pipe);
146 struct r300_query *q = r300_query(query);
147 unsigned i;
148 uint32_t temp, *map;
149
150 if (q->type == PIPE_QUERY_GPU_FINISHED) {
151 if (wait) {
152 r300->rws->buffer_wait(q->buf, PIPE_TIMEOUT_INFINITE,
153 RADEON_USAGE_READWRITE);
154 vresult->b = TRUE;
155 } else {
156 vresult->b = r300->rws->buffer_wait(q->buf, 0, RADEON_USAGE_READWRITE);
157 }
158 return vresult->b;
159 }
160
161 map = r300->rws->buffer_map(q->buf, r300->cs,
162 PIPE_TRANSFER_READ |
163 (!wait ? PIPE_TRANSFER_DONTBLOCK : 0));
164 if (!map)
165 return FALSE;
166
167 /* Sum up the results. */
168 temp = 0;
169 for (i = 0; i < q->num_results; i++) {
170 /* Convert little endian values written by GPU to CPU byte order */
171 temp += util_le32_to_cpu(*map);
172 map++;
173 }
174
175 if (q->type == PIPE_QUERY_OCCLUSION_PREDICATE ||
176 q->type == PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE) {
177 vresult->b = temp != 0;
178 } else {
179 vresult->u64 = temp;
180 }
181 return TRUE;
182 }
183
r300_render_condition(struct pipe_context * pipe,struct pipe_query * query,boolean condition,enum pipe_render_cond_flag mode)184 static void r300_render_condition(struct pipe_context *pipe,
185 struct pipe_query *query,
186 boolean condition,
187 enum pipe_render_cond_flag mode)
188 {
189 struct r300_context *r300 = r300_context(pipe);
190 union pipe_query_result result;
191 boolean wait;
192
193 r300->skip_rendering = FALSE;
194
195 if (query) {
196 wait = mode == PIPE_RENDER_COND_WAIT ||
197 mode == PIPE_RENDER_COND_BY_REGION_WAIT;
198
199 if (r300_get_query_result(pipe, query, wait, &result)) {
200 if (r300_query(query)->type == PIPE_QUERY_OCCLUSION_PREDICATE ||
201 r300_query(query)->type == PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE) {
202 r300->skip_rendering = condition == result.b;
203 } else {
204 r300->skip_rendering = condition == !!result.u64;
205 }
206 }
207 }
208 }
209
210 static void
r300_set_active_query_state(struct pipe_context * pipe,boolean enable)211 r300_set_active_query_state(struct pipe_context *pipe, boolean enable)
212 {
213 }
214
r300_init_query_functions(struct r300_context * r300)215 void r300_init_query_functions(struct r300_context* r300)
216 {
217 r300->context.create_query = r300_create_query;
218 r300->context.destroy_query = r300_destroy_query;
219 r300->context.begin_query = r300_begin_query;
220 r300->context.end_query = r300_end_query;
221 r300->context.get_query_result = r300_get_query_result;
222 r300->context.set_active_query_state = r300_set_active_query_state;
223 r300->context.render_condition = r300_render_condition;
224 }
225