summaryrefslogtreecommitdiffstats
path: root/src/com/jogamp/opencl/CLVersion.java
blob: 1ad3012d1555dccf04c1a586aff388c82c4bcf47 (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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
/*
 * Copyright 2009 - 2010 JogAmp Community. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 * 
 *    1. Redistributions of source code must retain the above copyright notice, this list of
 *       conditions and the following disclaimer.
 * 
 *    2. 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.
 * 
 * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``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 JogAmp Community 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.
 * 
 * The views and conclusions contained in the software and documentation are those of the
 * authors and should not be interpreted as representing official policies, either expressed
 * or implied, of JogAmp Community.
 */

/*
 * Created on Thursday, June 24 2010 05:38
 */
package com.jogamp.opencl;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Version of an OpenCL Implementation.
 * All comparison operations use the {@link #getSpecVersion()} for comparison.
 * @author Michael Bien
 */
public class CLVersion implements Comparable<CLVersion> {

    private final static Pattern pattern = Pattern.compile("OpenCL (?:C )?(\\d+)\\.(\\d+)(.*)");

    public final static CLVersion CL_1_0 = new CLVersion("OpenCL 1.0");
    public final static CLVersion CL_1_1 = new CLVersion("OpenCL 1.1");

    /**
     * The full version String is defined as:
     * <code>OpenCL[space][major_version].[minor_version][space][platform-specific information]</code>
     */
    public final String fullversion;
    /**
     * The platform specific part of the version string.
     * @see #fullversion
     */
    public final String implversion;
    /**
     * Minor version number.
     * @see #fullversion
     */
    public final short minor;
    /**
     * Mayor version number.
     * @see #fullversion
     */
    public final short major;

    protected CLVersion(String version) {
        this.fullversion = version;
        Matcher matcher = pattern.matcher(version);
        matcher.matches();
        major = Short.parseShort(matcher.group(1));
        minor = Short.parseShort(matcher.group(2));

        if(matcher.groupCount() == 4) {//first group == whole string
            implversion = matcher.group(3).substring(1);
        }else{
            implversion = "";
        }
    }

    public int compareTo(CLVersion other) {
        return compareTo(other.major, other.minor);
    }
    
    private int compareTo(int otherMajor, int otherMinor)  {
        if(otherMajor == major && otherMinor == minor) {
            return 0;
        }else if(this.major > otherMajor || (this.major == otherMajor && this.minor > otherMinor)) {
            return 1;
        }else{
            return -1;
        }
    }

    public boolean isAtLeast(CLVersion other) {
        return this.compareTo(other) >= 0;
    }

    public boolean isAtLeast(int major, int minor) {
        return this.compareTo(major, minor) >= 0;
    }

    public boolean isEqual(CLVersion other) {
        return this.isEqual(other.major, other.minor);
    }
    
    public boolean isEqual(int major, int minor) {
        return this.major == major && this.minor == minor;
    }

    /**
     * Returns <code>'"OpenCL " + major + "." + minor'</code>.
     */
    public String getSpecVersion() {
        return "OpenCL " + major + '.' + minor;
    }

    /**
     * Returns the full, unfiltered version string.
     * @see #fullversion
     */
    public String getFullVersion() {
        return fullversion;
    }

    /**
     * @see #implversion
     */
    public String getImplVersion() {
        return implversion;
    }

    /**
     * @see #major
     */
    public short getMajor() {
        return major;
    }

    /**
     * @see #minor
     */
    public short getMinor() {
        return minor;
    }

    @Override
    public String toString() {
        return getFullVersion();
    }

    @Override
    public int hashCode() {
        return fullversion.hashCode();
    }

    /**
     * Returns true if both {@link #fullversion} Strings match.
     */
    @Override
    public boolean equals(Object obj) {
        return obj != null && obj.getClass() == getClass() && fullversion.equals(((CLVersion)obj).fullversion);
    }


}