| 1 | // Copyright (C) 2015 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_OPENGLVERTEXARRAYOBJECT_H |
| 5 | #define QT3DRENDER_RENDER_OPENGL_OPENGLVERTEXARRAYOBJECT_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 <QOpenGLVertexArrayObject> |
| 19 | #include <submissioncontext_p.h> |
| 20 | |
| 21 | QT_BEGIN_NAMESPACE |
| 22 | |
| 23 | namespace Qt3DRender { |
| 24 | namespace Render { |
| 25 | |
| 26 | class GeometryManager; |
| 27 | |
| 28 | typedef QPair<HGeometry, Qt3DCore::QNodeId> VAOIdentifier; |
| 29 | |
| 30 | namespace OpenGL { |
| 31 | |
| 32 | class GLShaderManager; |
| 33 | |
| 34 | class Q_AUTOTEST_EXPORT OpenGLVertexArrayObject |
| 35 | { |
| 36 | public: |
| 37 | OpenGLVertexArrayObject(); |
| 38 | |
| 39 | void bind(); |
| 40 | void release(); |
| 41 | |
| 42 | void create(SubmissionContext *ctx, const VAOIdentifier &key); |
| 43 | VAOIdentifier key() const; |
| 44 | void destroy(); |
| 45 | void cleanup(); |
| 46 | |
| 47 | bool isAbandoned(GeometryManager *geomMgr, GLShaderManager *shaderMgr); |
| 48 | |
| 49 | QOpenGLVertexArrayObject *vao() { return m_vao.data(); } |
| 50 | const QOpenGLVertexArrayObject *vao() const { return m_vao.data(); } |
| 51 | |
| 52 | void setSpecified(bool b) { m_specified = b; } |
| 53 | bool isSpecified() const { return m_specified; } |
| 54 | |
| 55 | |
| 56 | private: |
| 57 | QMutex m_mutex; |
| 58 | SubmissionContext *m_ctx; |
| 59 | QScopedPointer<QOpenGLVertexArrayObject> m_vao; |
| 60 | bool m_specified; |
| 61 | bool m_supportsVao; |
| 62 | VAOIdentifier m_owners; |
| 63 | |
| 64 | friend class SubmissionContext; |
| 65 | |
| 66 | void saveVertexAttribute(const SubmissionContext::VAOVertexAttribute &attr); |
| 67 | inline void saveIndexAttribute(HGLBuffer glBufferHandle) { m_indexAttribute = glBufferHandle; } |
| 68 | |
| 69 | std::vector<SubmissionContext::VAOVertexAttribute> m_vertexAttributes; |
| 70 | SubmissionContext::VAOIndexAttribute m_indexAttribute; |
| 71 | }; |
| 72 | |
| 73 | } // namespace OpenGL |
| 74 | } // namespace Render |
| 75 | } // namespace Qt3DRender |
| 76 | |
| 77 | QT_END_NAMESPACE |
| 78 | |
| 79 | #endif // QT3DRENDER_RENDER_OPENGL_OPENGLVERTEXARRAYOBJECT_H |
| 80 |