src/gallium/drivers/radeonsi/si_query.c

   1 /*
   2  * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
   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 "si_pipe.h"
  24 #include "sid.h"
  25
  26 static struct pipe_query *r600_create_query(struct pipe_context *ctx, unsigned query_type)
  27 {
  28         struct si_context *rctx = (struct si_context *)ctx;
  29
  30         return (struct pipe_query*)r600_context_query_create(rctx, query_type);
  31 }
  32
  33 static void r600_destroy_query(struct pipe_context *ctx, struct pipe_query *query)
  34 {
  35         struct si_context *rctx = (struct si_context *)ctx;
  36
  37         r600_context_query_destroy(rctx, (struct r600_query *)query);
  38 }
  39
  40 static void r600_begin_query(struct pipe_context *ctx, struct pipe_query *query)
  41 {
  42         struct si_context *rctx = (struct si_context *)ctx;
  43         struct r600_query *rquery = (struct r600_query *)query;
  44
  45         if (!si_query_needs_begin(rquery->type)) {
  46                 assert(0);
  47                 return;
  48         }
  49
  50         memset(&rquery->result, 0, sizeof(rquery->result));
  51         rquery->results_start = rquery->results_end;
  52         r600_query_begin(rctx, (struct r600_query *)query);
  53
  54         if (!si_is_timer_query(rquery->type)) {
  55                 LIST_ADDTAIL(&rquery->list, &rctx->active_nontimer_query_list);
  56         }
  57 }
  58
  59 static void r600_end_query(struct pipe_context *ctx, struct pipe_query *query)
  60 {
  61         struct si_context *rctx = (struct si_context *)ctx;
  62         struct r600_query *rquery = (struct r600_query *)query;
  63
  64         if (!si_query_needs_begin(rquery->type)) {
  65                 memset(&rquery->result, 0, sizeof(rquery->result));
  66         }
  67
  68         r600_query_end(rctx, rquery);
  69
  70         if (si_query_needs_begin(rquery->type) && !si_is_timer_query(rquery->type)) {
  71                 LIST_DELINIT(&rquery->list);
  72         }
  73 }
  74
  75 static boolean r600_get_query_result(struct pipe_context *ctx,
  76                                         struct pipe_query *query,
  77                                         boolean wait, union pipe_query_result *vresult)
  78 {
  79         struct si_context *rctx = (struct si_context *)ctx;
  80         struct r600_query *rquery = (struct r600_query *)query;
  81
  82         return r600_context_query_result(rctx, rquery, wait, vresult);
  83 }
  84
  85 static void r600_render_condition(struct pipe_context *ctx,
  86                                   struct pipe_query *query,
  87                                   boolean condition,
  88                                   uint mode)
  89 {
  90         struct si_context *rctx = (struct si_context *)ctx;
  91         struct r600_query *rquery = (struct r600_query *)query;
  92         int wait_flag = 0;
  93
  94         /* If we already have nonzero result, render unconditionally */
  95         if (query != NULL && rquery->result.u64 != 0) {
  96                 if (rctx->current_render_cond) {
  97                         r600_render_condition(ctx, NULL, FALSE, 0);
  98                 }
  99                 return;
 100         }
 101
 102         rctx->current_render_cond = query;
 103         rctx->current_render_cond_cond = condition;
 104         rctx->current_render_cond_mode = mode;
 105
 106         if (query == NULL) {
 107                 if (rctx->predicate_drawing) {
 108                         rctx->predicate_drawing = false;
 109                         r600_query_predication(rctx, NULL, PREDICATION_OP_CLEAR, 1);
 110                 }
 111                 return;
 112         }
 113
 114         if (mode == PIPE_RENDER_COND_WAIT ||
 115             mode == PIPE_RENDER_COND_BY_REGION_WAIT) {
 116                 wait_flag = 1;
 117         }
 118
 119         rctx->predicate_drawing = true;
 120
 121         switch (rquery->type) {
 122         case PIPE_QUERY_OCCLUSION_COUNTER:
 123         case PIPE_QUERY_OCCLUSION_PREDICATE:
 124                 r600_query_predication(rctx, rquery, PREDICATION_OP_ZPASS, wait_flag);
 125                 break;
 126         case PIPE_QUERY_PRIMITIVES_EMITTED:
 127         case PIPE_QUERY_PRIMITIVES_GENERATED:
 128         case PIPE_QUERY_SO_STATISTICS:
 129         case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
 130                 r600_query_predication(rctx, rquery, PREDICATION_OP_PRIMCOUNT, wait_flag);
 131                 break;
 132         default:
 133                 assert(0);
 134         }
 135 }
 136
 137 void r600_init_query_functions(struct si_context *rctx)
 138 {
 139         rctx->b.b.create_query = r600_create_query;
 140         rctx->b.b.destroy_query = r600_destroy_query;
 141         rctx->b.b.begin_query = r600_begin_query;
 142         rctx->b.b.end_query = r600_end_query;
 143         rctx->b.b.get_query_result = r600_get_query_result;
 144
 145         if (rctx->screen->b.info.r600_num_backends > 0)
 146             rctx->b.b.render_condition = r600_render_condition;
 147 }