1 | // Copyright (C) 2019 Klaralvdalens Datakonsult AB (KDAB). |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | |
4 | #ifndef QT3DRENDER_RENDER_OPENGL_IMAGESUBMISSIONCONTEXT_P_H |
5 | #define QT3DRENDER_RENDER_OPENGL_IMAGESUBMISSIONCONTEXT_P_H |
6 | |
7 | // |
8 | // W A R N I N G |
9 | // ------------- |
10 | // |
11 | // This file is not part of the Qt API. It exists for the convenience |
12 | // of other Qt classes. This header file may change from version to |
13 | // version without notice, or even be removed. |
14 | // |
15 | // We mean it. |
16 | // |
17 | |
18 | #include <Qt3DCore/QNodeId> |
19 | |
20 | QT_BEGIN_NAMESPACE |
21 | |
22 | namespace Qt3DRender { |
23 | namespace Render { |
24 | |
25 | class ShaderImage; |
26 | |
27 | namespace OpenGL { |
28 | |
29 | class GraphicsContext; |
30 | class GLTexture; |
31 | |
32 | class Q_AUTOTEST_EXPORT ImageSubmissionContext |
33 | { |
34 | public: |
35 | ImageSubmissionContext(); |
36 | |
37 | void initialize(GraphicsContext *context); |
38 | void endDrawing(); |
39 | int activateImage(ShaderImage *image, GLTexture *tex); |
40 | void deactivateImages(); |
41 | |
42 | private: |
43 | void decayImageScores(); |
44 | int assignUnitForImage(Qt3DCore::QNodeId shaderImageId); |
45 | |
46 | struct ActiveImage |
47 | { |
48 | Qt3DCore::QNodeId shaderImageId; |
49 | GLTexture *texture = nullptr; |
50 | int score = 0; |
51 | bool pinned = false; |
52 | }; |
53 | std::vector<ActiveImage> m_activeImages; |
54 | GraphicsContext *m_ctx; |
55 | }; |
56 | |
57 | } // namespace OpenGL |
58 | } // namespace Render |
59 | } // namespace Qt3DRender |
60 | |
61 | QT_END_NAMESPACE |
62 | |
63 | #endif // QT3DRENDER_RENDER_OPENGL_IMAGESUBMISSIONCONTEXT_P_H |
64 | |