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
|
/*
* Copyright 2009, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// This file defines the ClientInfo class.
#ifndef O3D_CORE_CROSS_CLIENT_INFO_H_
#define O3D_CORE_CROSS_CLIENT_INFO_H_
#include "core/cross/types.h"
#include "core/cross/service_locator.h"
#include "core/cross/service_implementation.h"
namespace o3d {
// This class is used to report infomation about the client.
class ClientInfo {
public:
ClientInfo();
// The number of objects the client is currently tracking.
int num_objects() const {
return num_objects_;
}
// The amount of texture memory used.
int texture_memory_used() const {
return texture_memory_used_;
};
// The amount of texture memory used.
int buffer_memory_used() const {
return buffer_memory_used_;
}
// Whether or not we are using the software renderer.
bool software_renderer() const {
return software_renderer_;
}
// Whether or not the underlying GPU supports non power of 2 textures.
// NOTE: O3D always supports non power of 2 textures from a public API
// point of view and massages the data underneath to make this work.
// The point of this flag is mostly that if you are doing any kind of
// dynamic texture updating, like video, then you might want to use a
// power of two texture so O3D doesn't have to do extra work of converting
// your NPOT texture into a POT texture behind the scenes.
bool non_power_of_two_textures() const {
return non_power_of_two_textures_;
}
// Gets the O3D version.
const String& version() const {
return version_;
}
private:
friend class ClientInfoManager;
int num_objects_;
int texture_memory_used_;
int buffer_memory_used_;
bool software_renderer_;
bool non_power_of_two_textures_;
String version_;
};
// A class to manage the client info so other classes can easily look it up.
class ClientInfoManager {
public:
static const InterfaceId kInterfaceId;
explicit ClientInfoManager(ServiceLocator* service_locator);
const ClientInfo& client_info();
// Adds or subtracts from the amount of texture memory used.
void AdjustTextureMemoryUsed(int amount) {
client_info_.texture_memory_used_ += amount;
DCHECK(client_info_.texture_memory_used_ >= 0);
}
// Adds or subtracts from the amount of texture memory used.
void AdjustBufferMemoryUsed(int amount) {
client_info_.buffer_memory_used_ += amount;
DCHECK(client_info_.buffer_memory_used_ >= 0);
}
void SetSoftwareRenderer(bool used) {
client_info_.software_renderer_ = used;
}
void SetNonPowerOfTwoTextures(bool npot) {
client_info_.non_power_of_two_textures_ = npot;
}
private:
ServiceImplementation<ClientInfoManager> service_;
ClientInfo client_info_;
DISALLOW_COPY_AND_ASSIGN(ClientInfoManager);
};
} // namespace o3d
#endif // O3D_CORE_CROSS_CLIENT_INFO_H_
|
