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_acc_query;
35 
36 struct etna_acc_sample_provider {
37    bool (*supports)(unsigned query_type);
38    struct etna_acc_query * (*allocate)(struct etna_context *ctx, unsigned query_type);
39 
40    void (*resume)(struct etna_acc_query *aq, struct etna_context *ctx);
41    void (*suspend)(struct etna_acc_query *aq, struct etna_context *ctx);
42 
43    bool (*result)(struct etna_acc_query *aq, void *buf,
44                   union pipe_query_result *result);
45 };
46 
47 struct etna_acc_query {
48    struct etna_query base;
49 
50    struct pipe_resource *prsc;
51    unsigned samples;        /* number of samples stored in resource */
52    unsigned no_wait_cnt;    /* see etna_hw_get_query_result() */
53    struct list_head node;   /* list-node in ctx->active_hw_queries */
54 
55    const struct etna_acc_sample_provider *provider;
56 };
57 
58 static inline struct etna_acc_query *
etna_acc_query(struct etna_query * q)59 etna_acc_query(struct etna_query *q)
60 {
61    return (struct etna_acc_query *)q;
62 }
63 
64 struct etna_query *
65 etna_acc_create_query(struct etna_context *ctx, unsigned query_type);
66 
67 static inline void
etna_acc_query_suspend(struct etna_acc_query * aq,struct etna_context * ctx)68 etna_acc_query_suspend(struct etna_acc_query *aq, struct etna_context *ctx)
69 {
70    const struct etna_acc_sample_provider *p = aq->provider;
71 
72    p->suspend(aq, ctx);
73    aq->samples++;
74 }
75 
76 static inline void
etna_acc_query_resume(struct etna_acc_query * aq,struct etna_context * ctx)77 etna_acc_query_resume(struct etna_acc_query *aq, struct etna_context *ctx)
78 {
79    const struct etna_acc_sample_provider *p = aq->provider;
80 
81    p->resume(aq, ctx);
82    aq->samples++;
83 }
84 
85 #endif
86