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_GPU_FINISHED) {
43 return NULL;
44 }
45
46 q = CALLOC_STRUCT(r300_query);
47 if (!q)
48 return NULL;
49
50 q->type = query_type;
51
52 if (query_type == PIPE_QUERY_GPU_FINISHED) {
53 return (struct pipe_query*)q;
54 }
55
56 if (r300screen->caps.family == CHIP_RV530)
57 q->num_pipes = r300screen->info.r300_num_z_pipes;
58 else
59 q->num_pipes = r300screen->info.r300_num_gb_pipes;
60
61 q->buf = r300->rws->buffer_create(r300->rws,
62 r300screen->info.gart_page_size,
63 r300screen->info.gart_page_size,
64 RADEON_DOMAIN_GTT, 0);
65 if (!q->buf) {
66 FREE(q);
67 return NULL;
68 }
69 return (struct pipe_query*)q;
70 }
71
r300_destroy_query(struct pipe_context * pipe,struct pipe_query * query)72 static void r300_destroy_query(struct pipe_context* pipe,
73 struct pipe_query* query)
74 {
75 struct r300_query* q = r300_query(query);
76
77 pb_reference(&q->buf, NULL);
78 FREE(query);
79 }
80
r300_resume_query(struct r300_context * r300,struct r300_query * query)81 void r300_resume_query(struct r300_context *r300,
82 struct r300_query *query)
83 {
84 r300->query_current = query;
85 r300_mark_atom_dirty(r300, &r300->query_start);
86 }
87
r300_begin_query(struct pipe_context * pipe,struct pipe_query * query)88 static boolean r300_begin_query(struct pipe_context* pipe,
89 struct pipe_query* query)
90 {
91 struct r300_context* r300 = r300_context(pipe);
92 struct r300_query* q = r300_query(query);
93
94 if (q->type == PIPE_QUERY_GPU_FINISHED)
95 return true;
96
97 if (r300->query_current != NULL) {
98 fprintf(stderr, "r300: begin_query: "
99 "Some other query has already been started.\n");
100 assert(0);
101 return false;
102 }
103
104 q->num_results = 0;
105 r300_resume_query(r300, q);
106 return true;
107 }
108
r300_stop_query(struct r300_context * r300)109 void r300_stop_query(struct r300_context *r300)
110 {
111 r300_emit_query_end(r300);
112 r300->query_current = NULL;
113 }
114
r300_end_query(struct pipe_context * pipe,struct pipe_query * query)115 static bool r300_end_query(struct pipe_context* pipe,
116 struct pipe_query* query)
117 {
118 struct r300_context* r300 = r300_context(pipe);
119 struct r300_query *q = r300_query(query);
120
121 if (q->type == PIPE_QUERY_GPU_FINISHED) {
122 pb_reference(&q->buf, NULL);
123 r300_flush(pipe, RADEON_FLUSH_ASYNC,
124 (struct pipe_fence_handle**)&q->buf);
125 return true;
126 }
127
128 if (q != r300->query_current) {
129 fprintf(stderr, "r300: end_query: Got invalid query.\n");
130 assert(0);
131 return false;
132 }
133
134 r300_stop_query(r300);
135
136 return true;
137 }
138
r300_get_query_result(struct pipe_context * pipe,struct pipe_query * query,boolean wait,union pipe_query_result * vresult)139 static boolean r300_get_query_result(struct pipe_context* pipe,
140 struct pipe_query* query,
141 boolean wait,
142 union pipe_query_result *vresult)
143 {
144 struct r300_context* r300 = r300_context(pipe);
145 struct r300_query *q = r300_query(query);
146 unsigned i;
147 uint32_t temp, *map;
148
149 if (q->type == PIPE_QUERY_GPU_FINISHED) {
150 if (wait) {
151 r300->rws->buffer_wait(q->buf, PIPE_TIMEOUT_INFINITE,
152 RADEON_USAGE_READWRITE);
153 vresult->b = TRUE;
154 } else {
155 vresult->b = r300->rws->buffer_wait(q->buf, 0, RADEON_USAGE_READWRITE);
156 }
157 return vresult->b;
158 }
159
160 map = r300->rws->buffer_map(q->buf, r300->cs,
161 PIPE_TRANSFER_READ |
162 (!wait ? PIPE_TRANSFER_DONTBLOCK : 0));
163 if (!map)
164 return FALSE;
165
166 /* Sum up the results. */
167 temp = 0;
168 for (i = 0; i < q->num_results; i++) {
169 /* Convert little endian values written by GPU to CPU byte order */
170 temp += util_le32_to_cpu(*map);
171 map++;
172 }
173
174 if (q->type == PIPE_QUERY_OCCLUSION_PREDICATE) {
175 vresult->b = temp != 0;
176 } else {
177 vresult->u64 = temp;
178 }
179 return TRUE;
180 }
181
r300_render_condition(struct pipe_context * pipe,struct pipe_query * query,boolean condition,uint mode)182 static void r300_render_condition(struct pipe_context *pipe,
183 struct pipe_query *query,
184 boolean condition,
185 uint mode)
186 {
187 struct r300_context *r300 = r300_context(pipe);
188 union pipe_query_result result;
189 boolean wait;
190
191 r300->skip_rendering = FALSE;
192
193 if (query) {
194 wait = mode == PIPE_RENDER_COND_WAIT ||
195 mode == PIPE_RENDER_COND_BY_REGION_WAIT;
196
197 if (r300_get_query_result(pipe, query, wait, &result)) {
198 if (r300_query(query)->type == PIPE_QUERY_OCCLUSION_PREDICATE) {
199 r300->skip_rendering = condition == result.b;
200 } else {
201 r300->skip_rendering = condition == !!result.u64;
202 }
203 }
204 }
205 }
206
207 static void
r300_set_active_query_state(struct pipe_context * pipe,boolean enable)208 r300_set_active_query_state(struct pipe_context *pipe, boolean enable)
209 {
210 }
211
r300_init_query_functions(struct r300_context * r300)212 void r300_init_query_functions(struct r300_context* r300)
213 {
214 r300->context.create_query = r300_create_query;
215 r300->context.destroy_query = r300_destroy_query;
216 r300->context.begin_query = r300_begin_query;
217 r300->context.end_query = r300_end_query;
218 r300->context.get_query_result = r300_get_query_result;
219 r300->context.set_active_query_state = r300_set_active_query_state;
220 r300->context.render_condition = r300_render_condition;
221 }
222