src/gallium/drivers/r600/r600_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 "r600_pipe.h"
  24
  25 static struct pipe_query *r600_create_query(struct pipe_context *ctx, unsigned query_type)
  26 {
  27         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  28
  29         return (struct pipe_query*)r600_context_query_create(&rctx->ctx, query_type);
  30 }
  31
  32 static void r600_destroy_query(struct pipe_context *ctx, struct pipe_query *query)
  33 {
  34         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  35
  36         r600_context_query_destroy(&rctx->ctx, (struct r600_query *)query);
  37 }
  38
  39 static void r600_begin_query(struct pipe_context *ctx, struct pipe_query *query)
  40 {
  41         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  42         struct r600_query *rquery = (struct r600_query *)query;
  43
  44         rquery->result = 0;
  45         rquery->num_results = 0;
  46         r600_query_begin(&rctx->ctx, (struct r600_query *)query);
  47 }
  48
  49 static void r600_end_query(struct pipe_context *ctx, struct pipe_query *query)
  50 {
  51         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  52
  53         r600_query_end(&rctx->ctx, (struct r600_query *)query);
  54 }
  55
  56 static boolean r600_get_query_result(struct pipe_context *ctx,
  57                                         struct pipe_query *query,
  58                                         boolean wait, void *vresult)
  59 {
  60         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  61         struct r600_query *rquery = (struct r600_query *)query;
  62
  63         if (rquery->num_results) {
  64                 ctx->flush(ctx, 0, NULL);
  65         }
  66         return r600_context_query_result(&rctx->ctx, (struct r600_query *)query, wait, vresult);
  67 }
  68
  69 void r600_init_query_functions(struct r600_pipe_context *rctx)
  70 {
  71         rctx->context.create_query = r600_create_query;
  72         rctx->context.destroy_query = r600_destroy_query;
  73         rctx->context.begin_query = r600_begin_query;
  74         rctx->context.end_query = r600_end_query;
  75         rctx->context.get_query_result = r600_get_query_result;
  76 }