1 | /* |
2 | * SPDX-FileCopyrightText: 2011 Marco Martin <mart@kde.org> |
3 | * SPDX-FileCopyrightText: 2014 Aleix Pol Gonzalez <aleixpol@blue-systems.com> |
4 | * SPDX-FileCopyrightText: 2020 Carson Black <uhhadd@gmail.com> |
5 | * |
6 | * SPDX-License-Identifier: LGPL-2.0-or-later |
7 | */ |
8 | |
9 | #include "texturecache.h" |
10 | |
11 | #include <QImage> |
12 | |
13 | std::shared_ptr<QSGTexture> TextureCache::loadTexture(QQuickWindow *window, const QImage &image, QQuickWindow::CreateTextureOptions options) |
14 | { |
15 | if (image.isNull()) { |
16 | return nullptr; |
17 | } |
18 | |
19 | auto id = qMakePair(value1: image.cacheKey(), value2&: window); |
20 | std::shared_ptr<QSGTexture> texture = s_cache.value(key: id).lock(); |
21 | |
22 | if (!texture) { |
23 | auto cleanAndDelete = [id](QSGTexture *texture) { |
24 | s_cache.remove(key: id); |
25 | delete texture; |
26 | }; |
27 | texture = std::shared_ptr<QSGTexture>(window->createTextureFromImage(image, options), cleanAndDelete); |
28 | s_cache[id] = texture; |
29 | } |
30 | |
31 | // if we have a cache in an atlas but our request cannot use an atlassed texture |
32 | // create a new texture and use that |
33 | // don't use removedFromAtlas() as that requires keeping a reference to the non atlased version |
34 | if (!(options & QQuickWindow::TextureCanUseAtlas) && texture->isAtlasTexture()) { |
35 | texture = std::shared_ptr<QSGTexture>(window->createTextureFromImage(image, options)); |
36 | } |
37 | |
38 | return texture; |
39 | } |
40 | |
41 | std::shared_ptr<QSGTexture> TextureCache::loadTexture(QQuickWindow *window, const QImage &image) |
42 | { |
43 | return loadTexture(window, image, options: {}); |
44 | } |
45 | |