| 1 | // Copyright (C) 2020 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_RHI_RHIBUFFER_P_H |
|---|
| 5 | #define QT3DRENDER_RENDER_RHI_RHIBUFFER_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.h> |
|---|
| 19 | #include <qbytearray.h> |
|---|
| 20 | |
|---|
| 21 | QT_BEGIN_NAMESPACE |
|---|
| 22 | class QRhiBuffer; |
|---|
| 23 | namespace Qt3DRender { |
|---|
| 24 | |
|---|
| 25 | namespace Render { |
|---|
| 26 | |
|---|
| 27 | namespace Rhi { |
|---|
| 28 | |
|---|
| 29 | class SubmissionContext; |
|---|
| 30 | |
|---|
| 31 | class RHIBuffer |
|---|
| 32 | { |
|---|
| 33 | public: |
|---|
| 34 | RHIBuffer(); |
|---|
| 35 | |
|---|
| 36 | enum Type { |
|---|
| 37 | ArrayBuffer = 1 << 0, |
|---|
| 38 | UniformBuffer = 1 << 1, |
|---|
| 39 | IndexBuffer = 1 << 2, |
|---|
| 40 | ShaderStorageBuffer = 1 << 3, |
|---|
| 41 | PixelPackBuffer = 1 << 4, |
|---|
| 42 | PixelUnpackBuffer = 1 << 5, |
|---|
| 43 | DrawIndirectBuffer = 1 << 6 |
|---|
| 44 | }; |
|---|
| 45 | |
|---|
| 46 | bool bind(SubmissionContext *ctx, Type t); |
|---|
| 47 | void destroy(); |
|---|
| 48 | void destroyOrphaned(); |
|---|
| 49 | void allocate(const QByteArray &data, bool dynamic = true); |
|---|
| 50 | void update(const QByteArray &data, int offset = 0); |
|---|
| 51 | QByteArray download(SubmissionContext *ctx, uint size); |
|---|
| 52 | void cleanup(); |
|---|
| 53 | |
|---|
| 54 | qsizetype size() const { return m_allocSize; } |
|---|
| 55 | QRhiBuffer *rhiBuffer() const noexcept { return m_rhiBuffer; } |
|---|
| 56 | |
|---|
| 57 | private: |
|---|
| 58 | void orphan(); |
|---|
| 59 | |
|---|
| 60 | uint m_bufferId; |
|---|
| 61 | bool m_dynamic; |
|---|
| 62 | qsizetype m_allocSize {}; |
|---|
| 63 | |
|---|
| 64 | QRhiBuffer *m_rhiBuffer {}; |
|---|
| 65 | |
|---|
| 66 | std::vector<QRhiBuffer *> m_buffersToCleanup; |
|---|
| 67 | |
|---|
| 68 | std::vector<std::pair<QByteArray /*data*/, int /*offset*/>> m_datasToUpload; |
|---|
| 69 | }; |
|---|
| 70 | |
|---|
| 71 | } // namespace Rhi |
|---|
| 72 | |
|---|
| 73 | } // namespace Render |
|---|
| 74 | |
|---|
| 75 | } // namespace Qt3DRender |
|---|
| 76 | |
|---|
| 77 | QT_END_NAMESPACE |
|---|
| 78 | |
|---|
| 79 | #endif // QT3DRENDER_RENDER_RHI_RHIBUFFER_P_H |
|---|
| 80 | |
|---|
