src/gallium/drivers/etnaviv/etnaviv_query_hw.h

   1 /*
   2  * Copyright (c) 2017 Etnaviv Project
   3  * Copyright (C) 2017 Zodiac Inflight Innovations
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sub license,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the
  13  * next paragraph) shall be included in all copies or substantial portions
  14  * of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Rob Clark <robclark@freedesktop.org>
  26  *    Christian Gmeiner <christian.gmeiner@gmail.com>
  27  */
  28
  29 #ifndef H_ETNAVIV_QUERY_HW
  30 #define H_ETNAVIV_QUERY_HW
  31
  32 #include "etnaviv_query.h"
  33
  34 struct etna_hw_query;
  35
  36 struct etna_hw_sample_provider {
  37    void (*start)(struct etna_hw_query *hq, struct etna_context *ctx);
  38    void (*stop)(struct etna_hw_query *hq, struct etna_context *ctx);
  39    void (*suspend)(struct etna_hw_query *hq, struct etna_context *ctx);
  40    void (*resume)(struct etna_hw_query *hq, struct etna_context *ctx);
  41
  42    void (*result)(struct etna_hw_query *hq, void *buf,
  43            union pipe_query_result *result);
  44 };
  45
  46 struct etna_hw_query {
  47    struct etna_query base;
  48
  49    struct pipe_resource *prsc;
  50    unsigned samples;        /* number of samples stored in resource */
  51    unsigned no_wait_cnt;    /* see etna_hw_get_query_result() */
  52    struct list_head node;   /* list-node in ctx->active_hw_queries */
  53
  54    const struct etna_hw_sample_provider *provider;
  55 };
  56
  57 static inline struct etna_hw_query *
  58 etna_hw_query(struct etna_query *q)
  59 {
  60    return (struct etna_hw_query *)q;
  61 }
  62
  63 struct etna_query *
  64 etna_hw_create_query(struct etna_context *ctx, unsigned query_type);
  65
  66 static inline void
  67 etna_hw_query_suspend(struct etna_hw_query *hq, struct etna_context *ctx)
  68 {
  69    const struct etna_hw_sample_provider *p = hq->provider;
  70
  71    if (!hq->base.active)
  72       return;
  73
  74    p->suspend(hq, ctx);
  75 }
  76
  77 static inline void
  78 etna_hw_query_resume(struct etna_hw_query *hq, struct etna_context *ctx)
  79 {
  80    const struct etna_hw_sample_provider *p = hq->provider;
  81
  82    if (!hq->base.active)
  83       return;
  84
  85    p->resume(hq, ctx);
  86 }
  87
  88 #endif