diff options
Diffstat (limited to 'src/Runtime/Source/render/Qt3DSRenderOcclusionQuery.cpp')
-rw-r--r-- | src/Runtime/Source/render/Qt3DSRenderOcclusionQuery.cpp | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/Runtime/Source/render/Qt3DSRenderOcclusionQuery.cpp b/src/Runtime/Source/render/Qt3DSRenderOcclusionQuery.cpp new file mode 100644 index 00000000..d1b62d4c --- /dev/null +++ b/src/Runtime/Source/render/Qt3DSRenderOcclusionQuery.cpp @@ -0,0 +1,82 @@ +/**************************************************************************** +** +** 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "render/Qt3DSRenderOcclusionQuery.h" +#include "render/Qt3DSRenderContext.h" +#include "foundation/StringTable.h" + +namespace qt3ds { +namespace render { + + NVRenderOcclusionQuery::NVRenderOcclusionQuery(NVRenderContextImpl &context, + NVFoundationBase &fnd) + : NVRenderQueryBase(context, fnd) + { + } + + NVRenderOcclusionQuery::~NVRenderOcclusionQuery() {} + + void NVRenderOcclusionQuery::Begin() + { + m_Backend->BeginQuery(m_QueryHandle, NVRenderQueryType::Samples); + } + + void NVRenderOcclusionQuery::End() + { + m_Backend->EndQuery(m_QueryHandle, NVRenderQueryType::Samples); + } + + void NVRenderOcclusionQuery::GetResult(QT3DSU32 *params) + { + m_Backend->GetQueryResult(m_QueryHandle, NVRenderQueryResultType::Result, params); + } + + bool NVRenderOcclusionQuery::GetResultAvailable() + { + QT3DSU32 param; + + m_Backend->GetQueryResult(m_QueryHandle, NVRenderQueryResultType::ResultAvailable, ¶m); + + return (param == 1); + } + + NVRenderOcclusionQuery *NVRenderOcclusionQuery::Create(NVRenderContextImpl &context) + { + if (!context.IsSampleQuerySupported()) + return NULL; + + NVRenderOcclusionQuery *retval = + QT3DS_NEW(context.GetFoundation().getAllocator(), + NVRenderOcclusionQuery)(context, context.GetFoundation()); + + return retval; + } +} +} |