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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "gbuffer.h"
GBuffer::GBuffer(Qt3DCore::QNode *parent)
: Qt3DRender::QRenderTarget(parent)
{
const Qt3DRender::QAbstractTextureProvider::TextureFormat formats[AttachmentsCount] = {
Qt3DRender::QAbstractTextureProvider::RGBA32F,
Qt3DRender::QAbstractTextureProvider::RGB32F,
Qt3DRender::QAbstractTextureProvider::RGB16F,
Qt3DRender::QAbstractTextureProvider::D32F
};
const Qt3DRender::QRenderAttachment::RenderAttachmentType attachmentTypes[AttachmentsCount] = {
Qt3DRender::QRenderAttachment::ColorAttachment0,
Qt3DRender::QRenderAttachment::ColorAttachment1,
Qt3DRender::QRenderAttachment::ColorAttachment2,
Qt3DRender::QRenderAttachment::DepthAttachment
};
const QString attachmentNames[AttachmentsCount] = {
QString::fromLatin1("color"),
QString::fromLatin1("position"),
QString::fromLatin1("normal"),
QString::fromLatin1("depth")
};
for (int i = 0; i < AttachmentsCount; i++) {
Qt3DRender::QRenderAttachment *attachment = new Qt3DRender::QRenderAttachment(this);
m_textures[i] = new Qt3DRender::QTexture2D();
m_textures[i]->setFormat(formats[i]);
m_textures[i]->setWidth(1024);
m_textures[i]->setHeight(1024);
m_textures[i]->setGenerateMipMaps(false);
m_textures[i]->setWrapMode(Qt3DRender::QTextureWrapMode(Qt3DRender::QTextureWrapMode::ClampToEdge));
m_textures[i]->setMinificationFilter(Qt3DRender::QAbstractTextureProvider::Linear);
m_textures[i]->setMagnificationFilter(Qt3DRender::QAbstractTextureProvider::Linear);
attachment->setTexture(m_textures[i]);
attachment->setType(attachmentTypes[i]);
attachment->setName(attachmentNames[i]);
addAttachment(attachment);
}
}
Qt3DRender::QAbstractTextureProvider *GBuffer::colorTexture() const
{
return m_textures[Color];
}
Qt3DRender::QAbstractTextureProvider *GBuffer::positionTexture() const
{
return m_textures[Position];
}
Qt3DRender::QAbstractTextureProvider *GBuffer::normalTexture() const
{
return m_textures[Normal];
}
Qt3DRender::QAbstractTextureProvider *GBuffer::depthTexture() const
{
return m_textures[Depth];
}
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