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Common.h
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1 /* Copyright (c) 2014-2017, ARM Limited and Contributors
2  *
3  * SPDX-License-Identifier: MIT
4  *
5  * Permission is hereby granted, free of charge,
6  * to any person obtaining a copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation the rights to
8  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
9  * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
12  *
13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
14  * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
16  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
17  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
19  */
20 
21 #ifndef COMMON_H
22 #define COMMON_H
23 
24 #include <android/log.h>
25 #include <cstdio>
26 #include <cstdlib>
27 #include <GLES3/gl3.h>
28 
29 #include <cmath>
30 
31  #ifndef M_PI
32 
33  #define M_PI 3.14159265358979323846f
34  #endif /* M_PI */
35 
36  #define LOG_TAG "libNative"
37  #define LOGD(...) __android_log_print(ANDROID_LOG_DEBBUG, LOG_TAG, __VA_ARGS__)
38  #define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)
39  #define LOGI(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)
40  #define ASSERT(x, s) \
41  if (!(x)) \
42  { \
43  LOGE("Assertion failed at %s:%i\n%s\n", __FILE__, __LINE__, s); \
44  exit(1); \
45  }
46 
47  #define GL_CHECK(x) \
48  x; \
49  { \
50  GLenum glError = glGetError(); \
51  if(glError != GL_NO_ERROR) { \
52  LOGE("glGetError() = %i (0x%.8x) at %s:%i\n", glError, glError, __FILE__, __LINE__); \
53  exit(1); \
54  } \
55  }
56 
64  inline float degreesToRadians(float degrees)
65  {
66  return M_PI * degrees / 180.0f;
67  }
68 
74  inline float signum(float f)
75  {
76  if (f > 0.0f)
77  {
78  return 1.0f;
79  }
80 
81  if (f < 0.0f)
82  {
83  return -1.0f;
84  }
85 
86  return 0.0f;
87  }
88 
89 #endif /* COMMON_H */
float signum(float f)
Get the sign of a number.
Definition: Common.h:74
float degreesToRadians(float degrees)
Convert an angle in degrees to radians.
Definition: Common.h:68
GLfloat GLfloat f
Definition: gl2ext.h:2707
#define M_PI
The value of pi approximation.
Definition: Common.h:33