blob: da264c4a98d1567f52909d7dfd57006e65f2f31b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2020 Blender Foundation. All rights reserved. */
/** \file
* \ingroup gpu
*/
#pragma once
#include "BLI_span.hh"
namespace blender::gpu {
#define QUERY_MIN_LEN 16
typedef enum GPUQueryType {
GPU_QUERY_OCCLUSION = 0,
} GPUQueryType;
class QueryPool {
public:
virtual ~QueryPool(){};
/**
* Will start and end the query at this index inside the pool. The pool will resize
* automatically but does not support sparse allocation. So prefer using consecutive indices.
*/
virtual void init(GPUQueryType type) = 0;
/**
* Will start and end the query at this index inside the pool.
* The pool will resize automatically.
*/
virtual void begin_query() = 0;
virtual void end_query() = 0;
/**
* Must be fed with a buffer large enough to contain all the queries issued.
* IMPORTANT: Result for each query can be either binary or represent the number of samples
* drawn.
*/
virtual void get_occlusion_result(MutableSpan<uint32_t> r_values) = 0;
};
} // namespace blender::gpu
|
