← Back to branch summary

~ubuntu-branches/ubuntu/wily/mir/wily-proposed

« back to all changes in this revision

Viewing changes to src/server/graphics/offscreen/gl_extensions_base.cpp

  • Committer: Package Import Robot
  • Author(s): Ubuntu daily release
  • Date: 2014-01-08 02:04:38 UTC
  • mto: This revision was merged to the branch mainline in revision 58.
  • Revision ID: package-import@ubuntu.com-20140108020438-e1npu0pm7qdv5wc4
Tags: upstream-0.1.3+14.04.20140108
Import upstream version 0.1.3+14.04.20140108

Show diffs side-by-side

added added

removed removed

Lines of Context:
src/server/graphics/offscreen/gl_extensions_base.cpp
1
 
/*
2
 
 * Copyright © 2013 Canonical Ltd.
3
 
 *
4
 
 * This program is free software: you can redistribute it and/or modify it
5
 
 * under the terms of the GNU General Public License version 3,
6
 
 * as published by the Free Software Foundation.
7
 
 *
8
 
 * This program is distributed in the hope that it will be useful,
9
 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10
 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11
 
 * GNU General Public License for more details.
12
 
 *
13
 
 * You should have received a copy of the GNU General Public License
14
 
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
15
 
 *
16
 
 * Authored by: Alexandros Frantzis <alexandros.frantzis@canonical.com>
17
 
 */
18
 
 
19
 
#include "gl_extensions_base.h"
20
 
 
21
 
#include <boost/throw_exception.hpp>
22
 
#include <stdexcept>
23
 
 
24
 
#include <cstring>
25
 
 
26
 
namespace mgo = mir::graphics::offscreen;
27
 
 
28
 
mgo::GLExtensionsBase::GLExtensionsBase(char const* extensions)
29
 
    : extensions{extensions}
30
 
{
31
 
    if (!extensions)
32
 
    {
33
 
        BOOST_THROW_EXCEPTION(
34
 
            std::runtime_error("Couldn't get list of GL extensions"));
35
 
    }
36
 
}
37
 
 
38
 
bool mgo::GLExtensionsBase::support(char const* ext) const
39
 
{
40
 
    char const* ext_ptr = extensions;
41
 
    size_t const len = strlen(ext);
42
 
 
43
 
    while ((ext_ptr = strstr(ext_ptr, ext)) != nullptr)
44
 
    {
45
 
        if (ext_ptr[len] == ' ' || ext_ptr[len] == '\0')
46
 
            break;
47
 
        ext_ptr += len;
48
 
    }
49
 
 
50
 
    return ext_ptr != nullptr;
51
 
}