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Diffstat (limited to 'src/Runtime/ogl-runtime/src/render/Qt3DSRenderQueryBase.h')
-rw-r--r-- | src/Runtime/ogl-runtime/src/render/Qt3DSRenderQueryBase.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/src/Runtime/ogl-runtime/src/render/Qt3DSRenderQueryBase.h b/src/Runtime/ogl-runtime/src/render/Qt3DSRenderQueryBase.h new file mode 100644 index 00000000..7a7ead87 --- /dev/null +++ b/src/Runtime/ogl-runtime/src/render/Qt3DSRenderQueryBase.h @@ -0,0 +1,127 @@ +/**************************************************************************** +** +** 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_QUERY_BASE_H +#define QT3DS_RENDER_QUERY_BASE_H +#include "foundation/Qt3DSRefCounted.h" +#include "foundation/Qt3DSFoundation.h" +#include "foundation/Qt3DSBroadcastingAllocator.h" +#include "foundation/Qt3DSAtomic.h" +#include "render/Qt3DSRenderBaseTypes.h" +#include "render/backends/Qt3DSRenderBackend.h" + +namespace qt3ds { +class NVFoundationBase; +} + +namespace qt3ds { +namespace render { + + // forward declaration + class NVRenderContextImpl; + class NVRenderBackend; + + ///< Base class + class NVRenderQueryBase : public NVRefCounted + { + protected: + 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 + NVRenderBackend::NVRenderBackendQueryObject m_QueryHandle; ///< opaque backend handle + + public: + /** + * @brief constructor + * + * @param[in] context Pointer to context + * @param[in] fnd Pointer to foundation + * + * @return No return. + */ + NVRenderQueryBase(NVRenderContextImpl &context, NVFoundationBase &fnd); + + virtual ~NVRenderQueryBase(); + + // define refcount functions + QT3DS_IMPLEMENT_REF_COUNT_ADDREF_RELEASE(m_Foundation) + + /** + * @brief Get query type + * + * @return Return query type + */ + virtual NVRenderQueryType::Enum GetQueryType() const = 0; + + /** + * @brief Get a pointer to the foundation + * + * @return pointer to foundation + */ + NVFoundationBase &GetFoundation() { return m_Foundation; } + + /** + * @brief begin a query + * + * @return no return. + */ + virtual void Begin() = 0; + + /** + * @brief end a query + * + * @return no return. + */ + virtual void End() = 0; + + /** + * @brief Get the result of a query + * + * @param[out] params Contains result of query regarding query type + * + * @return no return. + */ + virtual void GetResult(QT3DSU32 *params) = 0; + + /** + * @brief get the backend object handle + * + * @return the backend object handle. + */ + virtual NVRenderBackend::NVRenderBackendQueryObject GetQuerytHandle() const + { + return m_QueryHandle; + } + }; +} +} + +#endif |