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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.
**
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** Alternatively, this file may be used under the terms of the GNU
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** the Free Software Foundation and appearing in the file LICENSE.GPL3
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#include <QtQuick3DRender/private/qssgrendercontext_p.h>
#include <QtQuick3DRender/private/qssgrendertexturecube_p.h>
#include <QtQuick3DUtils/private/qssgutils_p.h>
QT_BEGIN_NAMESPACE
QSSGRenderTextureCube::QSSGRenderTextureCube(const QSSGRef<QSSGRenderContext> &context)
: QSSGRenderTextureBase(context, QSSGRenderTextureTargetType::TextureCube), m_width(0), m_height(0)
{
}
QSSGRenderTextureCube::~QSSGRenderTextureCube()
{
}
void QSSGRenderTextureCube::setTextureData(QSSGByteView newBuffer,
quint8 inMipLevel,
QSSGRenderTextureCubeFace inFace,
quint32 width,
quint32 height,
QSSGRenderTextureFormat format)
{
Q_ASSERT(m_handle);
Q_ASSERT(inFace != QSSGRenderTextureCubeFace::InvalidFace);
if (inMipLevel == 0) {
m_width = width;
m_height = height;
m_format = format;
m_maxMipLevel = inMipLevel;
}
if (m_maxMipLevel < inMipLevel) {
m_maxMipLevel = inMipLevel;
}
// get max size and check value
qint32 theMaxSize;
m_backend->getRenderBackendValue(QSSGRenderBackend::QSSGRenderBackendQuery::MaxTextureSize, &theMaxSize);
if (width > (quint32)theMaxSize || height > (quint32)theMaxSize) {
qCCritical(RENDER_INVALID_OPERATION, "Width or height is greater than max texture size (%d, %d)", theMaxSize, theMaxSize);
}
QSSGRenderTextureTargetType outTarget = static_cast<QSSGRenderTextureTargetType>((int)m_texTarget + (int)inFace);
if (format.isUncompressedTextureFormat() || format.isDepthTextureFormat()) {
m_backend->setTextureDataCubeFace(m_handle,
outTarget,
inMipLevel,
format,
width,
height,
0,
format,
newBuffer);
} else if (format.isCompressedTextureFormat()) {
m_backend->setCompressedTextureDataCubeFace(m_handle,
outTarget,
inMipLevel,
format,
width,
height,
0,
newBuffer);
}
// Set our texture parameters to a default that will look the best
if (inMipLevel > 0)
setMinFilter(QSSGRenderTextureMinifyingOp::LinearMipmapLinear);
}
QSSGTextureDetails QSSGRenderTextureCube::textureDetails() const
{
return QSSGTextureDetails(m_width, m_height, 6, m_sampleCount, m_format);
}
void QSSGRenderTextureCube::bind()
{
m_textureUnit = m_context->nextTextureUnit();
m_backend->bindTexture(m_handle, m_texTarget, m_textureUnit);
applyTexParams();
applyTexSwizzle();
}
QT_END_NAMESPACE