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Diffstat (limited to 'src/render/Qt3DSRenderRenderBuffer.h')
| -rw-r--r-- | src/render/Qt3DSRenderRenderBuffer.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/src/render/Qt3DSRenderRenderBuffer.h b/src/render/Qt3DSRenderRenderBuffer.h new file mode 100644 index 0000000..41f4068 --- /dev/null +++ b/src/render/Qt3DSRenderRenderBuffer.h @@ -0,0 +1,158 @@ +/**************************************************************************** +** +** Copyright (C) 2008-2012 NVIDIA Corporation. +** Copyright (C) 2017 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of Qt 3D Studio. +** +** $QT_BEGIN_LICENSE:GPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 or (at your option) any later version +** approved by the KDE Free Qt Foundation. The licenses are as published by +** the Free Software Foundation and appearing in the file LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#pragma once +#ifndef QT3DS_RENDER_QT3DS_RENDER_RENDER_BUFFER_H +#define QT3DS_RENDER_QT3DS_RENDER_RENDER_BUFFER_H +#include "foundation/Qt3DSRefCounted.h" +#include "foundation/Qt3DSAtomic.h" +#include "render/Qt3DSRenderBaseTypes.h" +#include "render/backends/Qt3DSRenderBackend.h" + +namespace qt3ds { +namespace render { + class NVRenderContextImpl; + + struct NVRenderRenderBufferDimensions + { + QT3DSU32 m_Width; ///< buffer width + QT3DSU32 m_Height; ///< buffer height + + NVRenderRenderBufferDimensions(QT3DSU32 w, QT3DSU32 h) + : m_Width(w) + , m_Height(h) + { + } + NVRenderRenderBufferDimensions() + : m_Width(0) + , m_Height(0) + { + } + }; + + class NVRenderRenderBuffer : public NVRefCounted, public NVRenderImplemented + { + private: + NVRenderContextImpl &m_Context; ///< pointer to context + NVFoundationBase &m_Foundation; ///< pointer to foundation + volatile QT3DSI32 mRefCount; ///< Using foundations' naming convention to ease implementation + NVRenderBackend *m_Backend; ///< pointer to backend + QT3DSU32 m_Width; ///< buffer width + QT3DSU32 m_Height; ///< buffer height + NVRenderRenderBufferFormats::Enum m_StorageFormat; ///< buffer storage format + + NVRenderBackend::NVRenderBackendRenderbufferObject + m_BufferHandle; ///< opaque backend handle + + public: + /** + * @brief constructor + * + * @param[in] context Pointer to context + * @param[in] fnd Pointer to foundation + * @param[in] format Renderbuffer format + * @param[in] width Renderbuffer width + * @param[in] height Renderbuffer height + * + * @return No return. + */ + NVRenderRenderBuffer(NVRenderContextImpl &context, NVFoundationBase &fnd, + NVRenderRenderBufferFormats::Enum format, QT3DSU32 width, QT3DSU32 height); + + /// destructor + virtual ~NVRenderRenderBuffer(); + + // define refcount functions + QT3DS_IMPLEMENT_REF_COUNT_ADDREF_RELEASE_OVERRIDE(m_Foundation) + + /** + * @brief query buffer format + * + * + * @return buffer format + */ + virtual NVRenderRenderBufferFormats::Enum GetStorageFormat() const + { + return m_StorageFormat; + } + + /** + * @brief query buffer dimension + * + * + * @return NVRenderRenderBufferDimensions object + */ + virtual NVRenderRenderBufferDimensions GetDimensions() const + { + return NVRenderRenderBufferDimensions(m_Width, m_Height); + } + + /** + * @brief constructor + * + * @param[in] inDimensions A dimension object + * + * @return buffer format + */ + virtual void SetDimensions(const NVRenderRenderBufferDimensions &inDimensions); + + /** + * @brief static creator function + * + * @param[in] context Pointer to context + * @param[in] format Renderbuffer format + * @param[in] width Renderbuffer width + * @param[in] height Renderbuffer height + * + * @return No return. + */ + static NVRenderRenderBuffer *Create(NVRenderContextImpl &context, + NVRenderRenderBufferFormats::Enum format, QT3DSU32 width, + QT3DSU32 height); + + /** + * @brief get the backend object handle + * + * @return the backend object handle. + */ + virtual NVRenderBackend::NVRenderBackendRenderbufferObject GetRenderBuffertHandle() + { + return m_BufferHandle; + } + + // this will be obsolete + const void *GetImplementationHandle() const override + { + return reinterpret_cast<void *>(m_BufferHandle); + } + }; +} +} + +#endif |