| 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 | |