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d42e7319 JB |
1 | |
2 | /* | |
3 | * Copyright (c) 2013 Jolla Ltd. | |
4 | * Contact: Thomas Perl <thomas.perl@jollamobile.com> | |
5 | * | |
6 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
7 | * you may not use this file except in compliance with the License. | |
8 | * You may obtain a copy of the License at | |
9 | * | |
10 | * http://www.apache.org/licenses/LICENSE-2.0 | |
11 | * | |
12 | * Unless required by applicable law or agreed to in writing, software | |
13 | * distributed under the License is distributed on an "AS IS" BASIS, | |
14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
15 | * See the License for the specific language governing permissions and | |
16 | * limitations under the License. | |
17 | * | |
18 | */ | |
19 | ||
20 | ||
21 | #include "helper.h" | |
22 | ||
23 | #include <assert.h> | |
24 | #include <map> | |
25 | ||
26 | ||
27 | /* Keep track of active EGL window surfaces */ | |
28 | static std::map<EGLSurface,EGLNativeWindowType> _surface_window_map; | |
29 | ||
30 | ||
31 | void egl_helper_push_mapping(EGLSurface surface, EGLNativeWindowType window) | |
32 | { | |
33 | assert(!egl_helper_has_mapping(surface)); | |
34 | ||
35 | _surface_window_map[surface] = window; | |
36 | } | |
37 | ||
38 | int egl_helper_has_mapping(EGLSurface surface) | |
39 | { | |
40 | return (_surface_window_map.find(surface) != _surface_window_map.end()); | |
41 | } | |
42 | ||
43 | EGLNativeWindowType egl_helper_pop_mapping(EGLSurface surface) | |
44 | { | |
45 | std::map<EGLSurface,EGLNativeWindowType>::iterator it; | |
46 | it = _surface_window_map.find(surface); | |
47 | ||
48 | /* Caller must check with egl_helper_has_mapping() before */ | |
49 | assert(it != _surface_window_map.end()); | |
50 | ||
51 | EGLNativeWindowType result = it->second; | |
52 | _surface_window_map.erase(it); | |
53 | return result; | |
54 | } |