src/gallium/drivers/iris/iris_query.c

   1 /*
   2  * Copyright © 2017 Intel Corporation
   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  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included
  12  * in all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  15  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  20  * DEALINGS IN THE SOFTWARE.
  21  */
  22
  23 /**
  24  * @file iris_query.c
  25  *
  26  * XXX: this file is EMPTY.  it will eventually implement query objects!
  27  */
  28
  29 #include <stdio.h>
  30 #include <errno.h>
  31 #include "pipe/p_defines.h"
  32 #include "pipe/p_state.h"
  33 #include "pipe/p_context.h"
  34 #include "pipe/p_screen.h"
  35 #include "util/u_inlines.h"
  36 #include "util/u_format.h"
  37 #include "util/u_upload_mgr.h"
  38 #include "util/ralloc.h"
  39 #include "iris_context.h"
  40 #include "iris_resource.h"
  41 #include "iris_screen.h"
  42 #include "intel/compiler/brw_compiler.h"
  43
  44 struct iris_query {
  45    enum pipe_query_type type;
  46 };
  47
  48 static struct pipe_query *
  49 iris_create_query(struct pipe_context *ctx,
  50                   unsigned query_type,
  51                   unsigned index)
  52 {
  53    struct iris_query *query = calloc(1, sizeof(struct iris_query));
  54
  55    query->type = query_type;
  56
  57    return (struct pipe_query *) query;
  58 }
  59
  60 static void
  61 iris_destroy_query(struct pipe_context *ctx, struct pipe_query *p_query)
  62 {
  63    struct iris_query *query = (void *) p_query;
  64    free(query);
  65 }
  66
  67 static boolean
  68 iris_begin_query(struct pipe_context *ctx, struct pipe_query *query)
  69 {
  70    return true;
  71 }
  72
  73 static bool
  74 iris_end_query(struct pipe_context *ctx, struct pipe_query *query)
  75 {
  76    return true;
  77 }
  78
  79 static boolean
  80 iris_get_query_result(struct pipe_context *ctx,
  81                       struct pipe_query *query,
  82                       boolean wait,
  83                       union pipe_query_result *vresult)
  84 {
  85    uint64_t *result = (uint64_t*)vresult;
  86
  87    *result = 0;
  88    return TRUE;
  89 }
  90
  91 static void
  92 iris_set_active_query_state(struct pipe_context *pipe, boolean enable)
  93 {
  94 }
  95
  96 void
  97 iris_init_query_functions(struct pipe_context *ctx)
  98 {
  99    ctx->create_query = iris_create_query;
 100    ctx->destroy_query = iris_destroy_query;
 101    ctx->begin_query = iris_begin_query;
 102    ctx->end_query = iris_end_query;
 103    ctx->get_query_result = iris_get_query_result;
 104    ctx->set_active_query_state = iris_set_active_query_state;
 105 }