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/****************************************************************************
**
** 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 "Qt3DSRenderResourceBufferObjects.h"
using namespace qt3ds::render;
/*
IResourceManager& m_ResourceManager;
NVRenderFrameBuffer* m_FrameBuffer;
*/
CResourceFrameBuffer::CResourceFrameBuffer(IResourceManager &mgr)
: m_ResourceManager(mgr)
, m_FrameBuffer(NULL)
{
}
CResourceFrameBuffer::~CResourceFrameBuffer()
{
ReleaseFrameBuffer();
}
bool CResourceFrameBuffer::EnsureFrameBuffer()
{
if (!m_FrameBuffer) {
m_FrameBuffer = m_ResourceManager.AllocateFrameBuffer();
return true;
}
return false;
}
void CResourceFrameBuffer::ReleaseFrameBuffer()
{
if (m_FrameBuffer) {
m_ResourceManager.Release(*m_FrameBuffer);
}
}
CResourceRenderBuffer::CResourceRenderBuffer(IResourceManager &mgr)
: m_ResourceManager(mgr)
, m_RenderBuffer(NULL)
{
}
CResourceRenderBuffer::~CResourceRenderBuffer()
{
ReleaseRenderBuffer();
}
bool CResourceRenderBuffer::EnsureRenderBuffer(QT3DSU32 width, QT3DSU32 height,
NVRenderRenderBufferFormats::Enum storageFormat)
{
if (m_RenderBuffer == NULL || m_Dimensions.m_Width != width || m_Dimensions.m_Height != height
|| m_StorageFormat != storageFormat) {
if (m_RenderBuffer == NULL || m_StorageFormat != storageFormat) {
ReleaseRenderBuffer();
m_RenderBuffer = m_ResourceManager.AllocateRenderBuffer(width, height, storageFormat);
} else
m_RenderBuffer->SetDimensions(
qt3ds::render::NVRenderRenderBufferDimensions(width, height));
m_Dimensions = m_RenderBuffer->GetDimensions();
m_StorageFormat = m_RenderBuffer->GetStorageFormat();
return true;
}
return false;
}
void CResourceRenderBuffer::ReleaseRenderBuffer()
{
if (m_RenderBuffer) {
m_ResourceManager.Release(*m_RenderBuffer);
m_RenderBuffer = NULL;
}
}
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