blob: 7daea897db644060e2aa669fa87d6c865cf21a6b (
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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// This file contains the GPUTrace class.
#ifndef GPU_COMMAND_BUFFER_SERVICE_GPU_TRACER_H_
#define GPU_COMMAND_BUFFER_SERVICE_GPU_TRACER_H_
#include <string>
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/threading/thread.h"
#include "gpu/command_buffer/service/gles2_cmd_decoder.h"
#include "gpu/gpu_export.h"
#include "ui/gl/gl_bindings.h"
namespace gpu {
namespace gles2 {
// Id used to keep trace namespaces separate
enum GpuTracerSource {
kTraceGroupMarker = 0,
kTraceCHROMIUM = 1,
kTraceDecoder = 2,
};
// Traces GPU Commands.
class GPUTracer {
public:
static scoped_ptr<GPUTracer> Create(gles2::GLES2Decoder* decoder);
GPUTracer();
virtual ~GPUTracer();
// Scheduled processing in decoder begins.
virtual bool BeginDecoding() = 0;
// Scheduled processing in decoder ends.
virtual bool EndDecoding() = 0;
// Begin a trace marker.
virtual bool Begin(const std::string& name, GpuTracerSource source) = 0;
// End the last started trace marker.
virtual bool End(GpuTracerSource source) = 0;
virtual bool IsTracing() = 0;
// Retrieve the name of the current open trace.
// Returns empty string if no current open trace.
virtual const std::string& CurrentName() const = 0;
private:
DISALLOW_COPY_AND_ASSIGN(GPUTracer);
};
class Outputter : public base::RefCounted<Outputter> {
public:
virtual void Trace(const std::string& name,
int64 start_time,
int64 end_time) = 0;
protected:
virtual ~Outputter() {}
friend class base::RefCounted<Outputter>;
};
class TraceOutputter : public Outputter {
public:
static scoped_refptr<TraceOutputter> Create(const std::string& name);
virtual void Trace(const std::string& name,
int64 start_time,
int64 end_time) OVERRIDE;
protected:
friend class base::RefCounted<Outputter>;
explicit TraceOutputter(const std::string& name);
virtual ~TraceOutputter();
base::Thread named_thread_;
uint64 local_trace_id_;
DISALLOW_COPY_AND_ASSIGN(TraceOutputter);
};
class GPU_EXPORT Trace : public base::RefCounted<Trace> {
public:
explicit Trace(const std::string& name) : name_(name) {}
virtual void Start() = 0;
virtual void End() = 0;
// True if the the results of this query are available.
virtual bool IsAvailable() = 0;
virtual bool IsProcessable();
virtual void Process() = 0;
virtual const std::string& name();
protected:
virtual ~Trace() {}
private:
friend class base::RefCounted<Trace>;
std::string name_;
DISALLOW_COPY_AND_ASSIGN(Trace);
};
class GPU_EXPORT GLARBTimerTrace : public Trace {
public:
GLARBTimerTrace(scoped_refptr<Outputter> outputter,
const std::string& name,
int64 offset);
// Implementation of Tracer
virtual void Start() OVERRIDE;
virtual void End() OVERRIDE;
virtual bool IsAvailable() OVERRIDE;
virtual void Process() OVERRIDE;
private:
virtual ~GLARBTimerTrace();
void Output();
scoped_refptr<Outputter> outputter_;
int64 offset_;
int64 start_time_;
int64 end_time_;
bool end_requested_;
GLuint queries_[2];
DISALLOW_COPY_AND_ASSIGN(GLARBTimerTrace);
};
} // namespace gles2
} // namespace gpu
#endif // GPU_COMMAND_BUFFER_SERVICE_GPU_TRACER_H_
|
