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| ** |
| ** Copyright (C) 2008-2012 NVIDIA Corporation. |
| ** Copyright (C) 2019 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of Qt Quick 3D. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** Commercial License Usage |
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| ** General Public License version 3 or (at your option) any later version |
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| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
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| ****************************************************************************/ |
| |
| #include "qssgrenderresourcebufferobjects_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| QSSGResourceFrameBuffer::QSSGResourceFrameBuffer(const QSSGRef<QSSGResourceManager> &mgr) |
| : m_resourceManager(mgr) |
| { |
| } |
| |
| QSSGResourceFrameBuffer::~QSSGResourceFrameBuffer() |
| { |
| releaseFrameBuffer(); |
| } |
| |
| bool QSSGResourceFrameBuffer::ensureFrameBuffer() |
| { |
| if (!m_frameBuffer) { |
| m_frameBuffer = m_resourceManager->allocateFrameBuffer(); |
| return true; |
| } |
| return false; |
| } |
| |
| void QSSGResourceFrameBuffer::releaseFrameBuffer() |
| { |
| if (m_frameBuffer) { |
| m_resourceManager->release(m_frameBuffer); |
| } |
| } |
| |
| QSSGResourceRenderBuffer::QSSGResourceRenderBuffer(const QSSGRef<QSSGResourceManager> &mgr) |
| : m_resourceManager(mgr) |
| { |
| } |
| |
| QSSGResourceRenderBuffer::~QSSGResourceRenderBuffer() |
| { |
| releaseRenderBuffer(); |
| } |
| |
| bool QSSGResourceRenderBuffer::ensureRenderBuffer(qint32 width, qint32 height, QSSGRenderRenderBufferFormat storageFormat) |
| { |
| if (m_renderBuffer == nullptr || m_dimensions.width() != width || m_dimensions.height() != height || m_storageFormat != storageFormat) { |
| if (m_renderBuffer == nullptr || m_storageFormat != storageFormat) { |
| releaseRenderBuffer(); |
| m_renderBuffer = m_resourceManager->allocateRenderBuffer(width, height, storageFormat); |
| } else |
| m_renderBuffer->setSize(QSize(width, height)); |
| m_dimensions = m_renderBuffer->size(); |
| m_storageFormat = m_renderBuffer->storageFormat(); |
| return true; |
| } |
| return false; |
| } |
| |
| void QSSGResourceRenderBuffer::releaseRenderBuffer() |
| { |
| if (m_renderBuffer) { |
| m_resourceManager->release(m_renderBuffer); |
| m_renderBuffer = nullptr; |
| } |
| } |
| |
| QT_END_NAMESPACE |