diff options
| -rw-r--r-- | src/datavisualization/utils/surfaceobject.cpp | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/datavisualization/utils/surfaceobject.cpp b/src/datavisualization/utils/surfaceobject.cpp index 6f9ace19..b3aa7126 100644 --- a/src/datavisualization/utils/surfaceobject.cpp +++ b/src/datavisualization/utils/surfaceobject.cpp @@ -325,12 +325,14 @@ void SurfaceObject::smoothUVs(const QSurfaceDataArray &dataArray, } } - glBindBuffer(GL_ARRAY_BUFFER, m_uvTextureBuffer); - glBufferData(GL_ARRAY_BUFFER, uvs.size() * sizeof(QVector2D), - &uvs.at(0), GL_STATIC_DRAW); - glBindBuffer(GL_ARRAY_BUFFER, 0); + if (uvs.size() > 0) { + glBindBuffer(GL_ARRAY_BUFFER, m_uvTextureBuffer); + glBufferData(GL_ARRAY_BUFFER, uvs.size() * sizeof(QVector2D), + &uvs.at(0), GL_STATIC_DRAW); + glBindBuffer(GL_ARRAY_BUFFER, 0); - m_returnTextureBuffer = true; + m_returnTextureBuffer = true; + } } void SurfaceObject::updateSmoothRow(const QSurfaceDataArray &dataArray, int rowIndex, bool polar) |