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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
//
// Copyright (c) 2002-2014 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// angleutils.h: Common ANGLE utilities.
#ifndef COMMON_ANGLEUTILS_H_
#define COMMON_ANGLEUTILS_H_
#include "common/platform.h"
#include <climits>
#include <cstdarg>
#include <cstddef>
#include <string>
#include <set>
#include <sstream>
#include <vector>
// A helper class to disallow copy and assignment operators
namespace angle
{
class NonCopyable
{
public:
NonCopyable() = default;
~NonCopyable() = default;
protected:
NonCopyable(const NonCopyable&) = delete;
void operator=(const NonCopyable&) = delete;
};
extern const uintptr_t DirtyPointer;
} // namespace angle
template <typename T, size_t N>
constexpr inline size_t ArraySize(T (&)[N])
{
return N;
}
template <typename T, unsigned int N>
void SafeRelease(T (&resourceBlock)[N])
{
for (unsigned int i = 0; i < N; i++)
{
SafeRelease(resourceBlock[i]);
}
}
template <typename T>
void SafeRelease(T& resource)
{
if (resource)
{
resource->Release();
resource = NULL;
}
}
template <typename T>
void SafeDelete(T *&resource)
{
delete resource;
resource = NULL;
}
template <typename T>
void SafeDeleteContainer(T& resource)
{
for (auto &element : resource)
{
SafeDelete(element);
}
resource.clear();
}
template <typename T>
void SafeDeleteArray(T*& resource)
{
delete[] resource;
resource = NULL;
}
// Provide a less-than function for comparing structs
// Note: struct memory must be initialized to zero, because of packing gaps
template <typename T>
inline bool StructLessThan(const T &a, const T &b)
{
return (memcmp(&a, &b, sizeof(T)) < 0);
}
// Provide a less-than function for comparing structs
// Note: struct memory must be initialized to zero, because of packing gaps
template <typename T>
inline bool StructEquals(const T &a, const T &b)
{
return (memcmp(&a, &b, sizeof(T)) == 0);
}
template <typename T>
inline void StructZero(T *obj)
{
memset(obj, 0, sizeof(T));
}
template <typename T>
inline bool IsMaskFlagSet(T mask, T flag)
{
// Handles multibit flags as well
return (mask & flag) == flag;
}
inline const char* MakeStaticString(const std::string &str)
{
static std::set<std::string> strings;
std::set<std::string>::iterator it = strings.find(str);
if (it != strings.end())
{
return it->c_str();
}
return strings.insert(str).first->c_str();
}
inline std::string ArrayString(unsigned int i)
{
// We assume UINT_MAX and GL_INVALID_INDEX are equal
// See DynamicHLSL.cpp
if (i == UINT_MAX)
{
return "";
}
std::stringstream strstr;
strstr << "[";
strstr << i;
strstr << "]";
return strstr.str();
}
inline std::string Str(int i)
{
std::stringstream strstr;
strstr << i;
return strstr.str();
}
size_t FormatStringIntoVector(const char *fmt, va_list vararg, std::vector<char>& buffer);
std::string FormatString(const char *fmt, va_list vararg);
std::string FormatString(const char *fmt, ...);
template <typename T>
std::string ToString(const T &value)
{
std::ostringstream o;
o << value;
return o.str();
}
// snprintf is not defined with MSVC prior to to msvc14
#if defined(_MSC_VER) && _MSC_VER < 1900
#define snprintf _snprintf
#endif
#define GL_BGR565_ANGLEX 0x6ABB
#define GL_BGRA4_ANGLEX 0x6ABC
#define GL_BGR5_A1_ANGLEX 0x6ABD
#define GL_INT_64_ANGLEX 0x6ABE
#define GL_STRUCT_ANGLEX 0x6ABF
// Hidden enum for the NULL D3D device type.
#define EGL_PLATFORM_ANGLE_DEVICE_TYPE_NULL_ANGLE 0x6AC0
#define ANGLE_TRY_CHECKED_MATH(result) \
if (!result.IsValid()) \
{ \
return gl::Error(GL_INVALID_OPERATION, "Integer overflow."); \
}
#endif // COMMON_ANGLEUTILS_H_
|
