1 /************************************************************************** 2 * 3 * Copyright 2007 VMware, Inc. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 /* Author: 29 * Keith Whitwell <keithw (at) vmware.com> 30 */ 31 32 #include "draw/draw_context.h" 33 #include "os/os_time.h" 34 #include "pipe/p_defines.h" 35 #include "util/u_memory.h" 36 #include "sp_context.h" 37 #include "sp_query.h" 38 #include "sp_state.h" 39 40 struct softpipe_query { 41 unsigned type; 42 uint64_t start; 43 uint64_t end; 44 struct pipe_query_data_so_statistics so; 45 struct pipe_query_data_pipeline_statistics stats; 46 }; 47 48 49 static struct softpipe_query *softpipe_query( struct pipe_query *p ) 50 { 51 return (struct softpipe_query *)p; 52 } 53 54 static struct pipe_query * 55 softpipe_create_query(struct pipe_context *pipe, 56 unsigned type, 57 unsigned index) 58 { 59 struct softpipe_query* sq; 60 61 assert(type == PIPE_QUERY_OCCLUSION_COUNTER || 62 type == PIPE_QUERY_OCCLUSION_PREDICATE || 63 type == PIPE_QUERY_TIME_ELAPSED || 64 type == PIPE_QUERY_SO_STATISTICS || 65 type == PIPE_QUERY_SO_OVERFLOW_PREDICATE || 66 type == PIPE_QUERY_PRIMITIVES_EMITTED || 67 type == PIPE_QUERY_PRIMITIVES_GENERATED || 68 type == PIPE_QUERY_PIPELINE_STATISTICS || 69 type == PIPE_QUERY_GPU_FINISHED || 70 type == PIPE_QUERY_TIMESTAMP || 71 type == PIPE_QUERY_TIMESTAMP_DISJOINT); 72 sq = CALLOC_STRUCT( softpipe_query ); 73 sq->type = type; 74 75 return (struct pipe_query *)sq; 76 } 77 78 79 static void 80 softpipe_destroy_query(struct pipe_context *pipe, struct pipe_query *q) 81 { 82 FREE(q); 83 } 84 85 86 static boolean 87 softpipe_begin_query(struct pipe_context *pipe, struct pipe_query *q) 88 { 89 struct softpipe_context *softpipe = softpipe_context( pipe ); 90 struct softpipe_query *sq = softpipe_query(q); 91 92 switch (sq->type) { 93 case PIPE_QUERY_OCCLUSION_COUNTER: 94 case PIPE_QUERY_OCCLUSION_PREDICATE: 95 sq->start = softpipe->occlusion_count; 96 break; 97 case PIPE_QUERY_TIME_ELAPSED: 98 sq->start = os_time_get_nano(); 99 break; 100 case PIPE_QUERY_SO_STATISTICS: 101 sq->so.num_primitives_written = softpipe->so_stats.num_primitives_written; 102 sq->so.primitives_storage_needed = softpipe->so_stats.primitives_storage_needed; 103 break; 104 case PIPE_QUERY_SO_OVERFLOW_PREDICATE: 105 sq->end = FALSE; 106 break; 107 case PIPE_QUERY_PRIMITIVES_EMITTED: 108 sq->so.num_primitives_written = softpipe->so_stats.num_primitives_written; 109 break; 110 case PIPE_QUERY_PRIMITIVES_GENERATED: 111 sq->so.primitives_storage_needed = softpipe->so_stats.primitives_storage_needed; 112 break; 113 case PIPE_QUERY_TIMESTAMP: 114 case PIPE_QUERY_GPU_FINISHED: 115 case PIPE_QUERY_TIMESTAMP_DISJOINT: 116 break; 117 case PIPE_QUERY_PIPELINE_STATISTICS: 118 /* reset our cache */ 119 if (softpipe->active_statistics_queries == 0) { 120 memset(&softpipe->pipeline_statistics, 0, 121 sizeof(softpipe->pipeline_statistics)); 122 } 123 memcpy(&sq->stats, &softpipe->pipeline_statistics, 124 sizeof(sq->stats)); 125 softpipe->active_statistics_queries++; 126 break; 127 default: 128 assert(0); 129 break; 130 } 131 softpipe->active_query_count++; 132 softpipe->dirty |= SP_NEW_QUERY; 133 return true; 134 } 135 136 137 static bool 138 softpipe_end_query(struct pipe_context *pipe, struct pipe_query *q) 139 { 140 struct softpipe_context *softpipe = softpipe_context( pipe ); 141 struct softpipe_query *sq = softpipe_query(q); 142 143 softpipe->active_query_count--; 144 switch (sq->type) { 145 case PIPE_QUERY_OCCLUSION_COUNTER: 146 case PIPE_QUERY_OCCLUSION_PREDICATE: 147 sq->end = softpipe->occlusion_count; 148 break; 149 case PIPE_QUERY_TIMESTAMP: 150 sq->start = 0; 151 /* fall through */ 152 case PIPE_QUERY_TIME_ELAPSED: 153 sq->end = os_time_get_nano(); 154 break; 155 case PIPE_QUERY_SO_OVERFLOW_PREDICATE: 156 sq->so.num_primitives_written = 157 softpipe->so_stats.num_primitives_written - sq->so.num_primitives_written; 158 sq->so.primitives_storage_needed = 159 softpipe->so_stats.primitives_storage_needed - sq->so.primitives_storage_needed; 160 sq->end = sq->so.primitives_storage_needed > sq->so.num_primitives_written; 161 break; 162 case PIPE_QUERY_SO_STATISTICS: 163 sq->so.num_primitives_written = 164 softpipe->so_stats.num_primitives_written - sq->so.num_primitives_written; 165 sq->so.primitives_storage_needed = 166 softpipe->so_stats.primitives_storage_needed - sq->so.primitives_storage_needed; 167 break; 168 case PIPE_QUERY_PRIMITIVES_EMITTED: 169 sq->so.num_primitives_written = 170 softpipe->so_stats.num_primitives_written - sq->so.num_primitives_written; 171 break; 172 case PIPE_QUERY_PRIMITIVES_GENERATED: 173 sq->so.primitives_storage_needed = 174 softpipe->so_stats.primitives_storage_needed - sq->so.primitives_storage_needed; 175 break; 176 case PIPE_QUERY_GPU_FINISHED: 177 case PIPE_QUERY_TIMESTAMP_DISJOINT: 178 break; 179 case PIPE_QUERY_PIPELINE_STATISTICS: 180 sq->stats.ia_vertices = 181 softpipe->pipeline_statistics.ia_vertices - sq->stats.ia_vertices; 182 sq->stats.ia_primitives = 183 softpipe->pipeline_statistics.ia_primitives - sq->stats.ia_primitives; 184 sq->stats.vs_invocations = 185 softpipe->pipeline_statistics.vs_invocations - sq->stats.vs_invocations; 186 sq->stats.gs_invocations = 187 softpipe->pipeline_statistics.gs_invocations - sq->stats.gs_invocations; 188 sq->stats.gs_primitives = 189 softpipe->pipeline_statistics.gs_primitives - sq->stats.gs_primitives; 190 sq->stats.c_invocations = 191 softpipe->pipeline_statistics.c_invocations - sq->stats.c_invocations; 192 sq->stats.c_primitives = 193 softpipe->pipeline_statistics.c_primitives - sq->stats.c_primitives; 194 sq->stats.ps_invocations = 195 softpipe->pipeline_statistics.ps_invocations - sq->stats.ps_invocations; 196 197 softpipe->active_statistics_queries--; 198 break; 199 default: 200 assert(0); 201 break; 202 } 203 softpipe->dirty |= SP_NEW_QUERY; 204 return true; 205 } 206 207 208 static boolean 209 softpipe_get_query_result(struct pipe_context *pipe, 210 struct pipe_query *q, 211 boolean wait, 212 union pipe_query_result *vresult) 213 { 214 struct softpipe_query *sq = softpipe_query(q); 215 uint64_t *result = (uint64_t*)vresult; 216 217 switch (sq->type) { 218 case PIPE_QUERY_SO_STATISTICS: { 219 struct pipe_query_data_so_statistics *stats = 220 (struct pipe_query_data_so_statistics *)vresult; 221 stats->num_primitives_written = sq->so.num_primitives_written; 222 stats->primitives_storage_needed = sq->so.primitives_storage_needed; 223 } 224 break; 225 case PIPE_QUERY_PIPELINE_STATISTICS: 226 memcpy(vresult, &sq->stats, 227 sizeof(struct pipe_query_data_pipeline_statistics)); 228 break; 229 case PIPE_QUERY_GPU_FINISHED: 230 vresult->b = TRUE; 231 break; 232 case PIPE_QUERY_SO_OVERFLOW_PREDICATE: 233 vresult->b = sq->end != 0; 234 break; 235 case PIPE_QUERY_TIMESTAMP_DISJOINT: { 236 struct pipe_query_data_timestamp_disjoint *td = 237 (struct pipe_query_data_timestamp_disjoint *)vresult; 238 /* os_get_time_nano return nanoseconds */ 239 td->frequency = UINT64_C(1000000000); 240 td->disjoint = FALSE; 241 } 242 break; 243 case PIPE_QUERY_PRIMITIVES_EMITTED: 244 *result = sq->so.num_primitives_written; 245 break; 246 case PIPE_QUERY_PRIMITIVES_GENERATED: 247 *result = sq->so.primitives_storage_needed; 248 break; 249 case PIPE_QUERY_OCCLUSION_PREDICATE: 250 vresult->b = sq->end - sq->start != 0; 251 break; 252 default: 253 *result = sq->end - sq->start; 254 break; 255 } 256 return TRUE; 257 } 258 259 260 /** 261 * Called by rendering function to check rendering is conditional. 262 * \return TRUE if we should render, FALSE if we should skip rendering 263 */ 264 boolean 265 softpipe_check_render_cond(struct softpipe_context *sp) 266 { 267 struct pipe_context *pipe = &sp->pipe; 268 boolean b, wait; 269 uint64_t result; 270 271 if (!sp->render_cond_query) { 272 return TRUE; /* no query predicate, draw normally */ 273 } 274 275 wait = (sp->render_cond_mode == PIPE_RENDER_COND_WAIT || 276 sp->render_cond_mode == PIPE_RENDER_COND_BY_REGION_WAIT); 277 278 b = pipe->get_query_result(pipe, sp->render_cond_query, wait, 279 (void*)&result); 280 if (b) 281 return (!result) == sp->render_cond_cond; 282 else 283 return TRUE; 284 } 285 286 287 static void 288 softpipe_set_active_query_state(struct pipe_context *pipe, boolean enable) 289 { 290 } 291 292 293 void softpipe_init_query_funcs(struct softpipe_context *softpipe ) 294 { 295 softpipe->pipe.create_query = softpipe_create_query; 296 softpipe->pipe.destroy_query = softpipe_destroy_query; 297 softpipe->pipe.begin_query = softpipe_begin_query; 298 softpipe->pipe.end_query = softpipe_end_query; 299 softpipe->pipe.get_query_result = softpipe_get_query_result; 300 softpipe->pipe.set_active_query_state = softpipe_set_active_query_state; 301 } 302 303 304