summaryrefslogtreecommitdiff
path: root/Source/Core/VideoBackends/OGL/OGLPerfQuery.h
blob: 166d7ef8a26dcc5647c078ff80f4ea199f4be8a6 (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
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
// Copyright 2012 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later

#pragma once

#include <array>
#include <memory>

#include "Common/GL/GLExtensions/GLExtensions.h"

#include "VideoCommon/PerfQueryBase.h"

namespace OGL
{
std::unique_ptr<PerfQueryBase> GetPerfQuery(bool is_gles);

class PerfQuery : public PerfQueryBase
{
public:
  PerfQuery();
  ~PerfQuery() override {}
  void EnableQuery(PerfQueryGroup group) override;
  void DisableQuery(PerfQueryGroup group) override;
  void ResetQuery() override;
  u32 GetQueryResult(PerfQueryType type) override;
  void FlushResults() override;
  bool IsFlushed() const override;

protected:
  struct ActiveQuery
  {
    GLuint query_id;
    PerfQueryGroup query_group;
  };

  // when testing in SMS: 64 was too small, 128 was ok
  static const u32 PERF_QUERY_BUFFER_SIZE = 512;

  // This contains gl query objects with unretrieved results.
  std::array<ActiveQuery, PERF_QUERY_BUFFER_SIZE> m_query_buffer;
  u32 m_query_read_pos;

private:
  // Implementation
  std::unique_ptr<PerfQuery> m_query;
};

// Implementations
class PerfQueryGL : public PerfQuery
{
public:
  PerfQueryGL(GLenum query_type);
  ~PerfQueryGL() override;

  void EnableQuery(PerfQueryGroup group) override;
  void DisableQuery(PerfQueryGroup group) override;
  void FlushResults() override;

private:
  void WeakFlush();
  // Only use when non-empty
  void FlushOne();

  GLenum m_query_type;
};

class PerfQueryGLESNV : public PerfQuery
{
public:
  PerfQueryGLESNV();
  ~PerfQueryGLESNV() override;

  void EnableQuery(PerfQueryGroup group) override;
  void DisableQuery(PerfQueryGroup group) override;
  void FlushResults() override;

private:
  void WeakFlush();
  // Only use when non-empty
  void FlushOne();
};

}  // namespace OGL