r300_query.c revision 6ccab620a0e7364ab6c0d902b3ddf58ee988f7fa
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/u_simple_list.h" 25 26#include "r300_context.h" 27#include "r300_screen.h" 28#include "r300_emit.h" 29#include "r300_winsys.h" 30 31#include <stdio.h> 32 33static struct pipe_query *r300_create_query(struct pipe_context *pipe, 34 unsigned query_type) 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 return NULL; 42 } 43 44 q = CALLOC_STRUCT(r300_query); 45 if (!q) 46 return NULL; 47 48 q->type = query_type; 49 q->domain = R300_DOMAIN_GTT; 50 q->buffer_size = 4096; 51 52 if (r300screen->caps.family == CHIP_FAMILY_RV530) 53 q->num_pipes = r300screen->caps.num_z_pipes; 54 else 55 q->num_pipes = r300screen->caps.num_frag_pipes; 56 57 insert_at_tail(&r300->query_list, q); 58 59 /* Open up the occlusion query buffer. */ 60 q->buf = r300->rws->buffer_create(r300->rws, q->buffer_size, 4096, 61 PIPE_BIND_CUSTOM, PIPE_USAGE_STREAM, 62 q->domain); 63 q->cs_buf = r300->rws->buffer_get_cs_handle(q->buf); 64 65 return (struct pipe_query*)q; 66} 67 68static void r300_destroy_query(struct pipe_context* pipe, 69 struct pipe_query* query) 70{ 71 struct r300_query* q = r300_query(query); 72 73 r300_winsys_bo_reference(&q->buf, NULL); 74 remove_from_list(q); 75 FREE(query); 76} 77 78void r300_resume_query(struct r300_context *r300, 79 struct r300_query *query) 80{ 81 r300->query_current = query; 82 r300_mark_atom_dirty(r300, &r300->query_start); 83} 84 85static void r300_begin_query(struct pipe_context* pipe, 86 struct pipe_query* query) 87{ 88 struct r300_context* r300 = r300_context(pipe); 89 struct r300_query* q = r300_query(query); 90 91 if (r300->query_current != NULL) { 92 fprintf(stderr, "r300: begin_query: " 93 "Some other query has already been started.\n"); 94 assert(0); 95 return; 96 } 97 98 q->num_results = 0; 99 r300_resume_query(r300, q); 100} 101 102void r300_stop_query(struct r300_context *r300) 103{ 104 r300_emit_query_end(r300); 105 r300->query_current = NULL; 106} 107 108static void r300_end_query(struct pipe_context* pipe, 109 struct pipe_query* query) 110{ 111 struct r300_context* r300 = r300_context(pipe); 112 struct r300_query *q = r300_query(query); 113 114 if (q != r300->query_current) { 115 fprintf(stderr, "r300: end_query: Got invalid query.\n"); 116 assert(0); 117 return; 118 } 119 120 r300_stop_query(r300); 121} 122 123static boolean r300_get_query_result(struct pipe_context* pipe, 124 struct pipe_query* query, 125 boolean wait, 126 void* vresult) 127{ 128 struct r300_context* r300 = r300_context(pipe); 129 struct r300_query *q = r300_query(query); 130 unsigned flags, i; 131 uint32_t temp, *map; 132 uint64_t *result = (uint64_t*)vresult; 133 134 if (!q->flushed) 135 pipe->flush(pipe, 0, NULL); 136 137 flags = PIPE_TRANSFER_READ | (!wait ? PIPE_TRANSFER_DONTBLOCK : 0); 138 139 map = r300->rws->buffer_map(q->buf, r300->cs, flags); 140 if (!map) 141 return FALSE; 142 143 /* Sum up the results. */ 144 temp = 0; 145 for (i = 0; i < q->num_results; i++) { 146 temp += *map; 147 map++; 148 } 149 150 r300->rws->buffer_unmap(q->buf); 151 152 *result = temp; 153 return TRUE; 154} 155 156static void r300_render_condition(struct pipe_context *pipe, 157 struct pipe_query *query, 158 uint mode) 159{ 160 struct r300_context *r300 = r300_context(pipe); 161 uint64_t result = 0; 162 boolean wait; 163 164 if (query) { 165 wait = mode == PIPE_RENDER_COND_WAIT || 166 mode == PIPE_RENDER_COND_BY_REGION_WAIT; 167 168 if (!r300_get_query_result(pipe, query, wait, &result)) { 169 r300->skip_rendering = FALSE; 170 } else { 171 r300->skip_rendering = result == 0; 172 } 173 } else { 174 r300->skip_rendering = FALSE; 175 } 176} 177 178/*************************************************************************** 179 * Fake occlusion queries (for debugging) 180 ***************************************************************************/ 181 182static unsigned r300_fake_query; 183 184static struct pipe_query *r300_fake_create_query(struct pipe_context *pipe, 185 unsigned query_type) 186{ 187 return (struct pipe_query*)&r300_fake_query; 188} 189 190static void r300_fake_destroy_query(struct pipe_context* pipe, 191 struct pipe_query* query) 192{ 193} 194 195static void r300_fake_begin_query(struct pipe_context* pipe, 196 struct pipe_query* query) 197{ 198} 199 200static void r300_fake_end_query(struct pipe_context* pipe, 201 struct pipe_query* query) 202{ 203} 204 205static boolean r300_fake_get_query_result(struct pipe_context* pipe, 206 struct pipe_query* query, 207 boolean wait, void* vresult) 208{ 209 uint64_t *result = (uint64_t*)vresult; 210 *result = 1000000; 211 return TRUE; 212} 213 214static void r300_fake_render_condition(struct pipe_context *pipe, 215 struct pipe_query *query, uint mode) 216{ 217} 218 219void r300_init_query_functions(struct r300_context* r300) { 220 if (DBG_ON(r300, DBG_FAKE_OCC)) { 221 r300->context.create_query = r300_fake_create_query; 222 r300->context.destroy_query = r300_fake_destroy_query; 223 r300->context.begin_query = r300_fake_begin_query; 224 r300->context.end_query = r300_fake_end_query; 225 r300->context.get_query_result = r300_fake_get_query_result; 226 r300->context.render_condition = r300_fake_render_condition; 227 } else { 228 r300->context.create_query = r300_create_query; 229 r300->context.destroy_query = r300_destroy_query; 230 r300->context.begin_query = r300_begin_query; 231 r300->context.end_query = r300_end_query; 232 r300->context.get_query_result = r300_get_query_result; 233 r300->context.render_condition = r300_render_condition; 234 } 235} 236