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Diffstat (limited to 'gui/fpgaviewwidget.cc')
| -rw-r--r-- | gui/fpgaviewwidget.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gui/fpgaviewwidget.cc b/gui/fpgaviewwidget.cc index 7ccb3445..15f37ce0 100644 --- a/gui/fpgaviewwidget.cc +++ b/gui/fpgaviewwidget.cc @@ -198,6 +198,8 @@ bool LineShader::compile(void) void LineShader::draw(const LineShaderData &line, const QColor &color, float thickness, const QMatrix4x4 &projection) { auto gl = QOpenGLContext::currentContext()->functions(); + if (line.vertices.size() == 0) + return; vao_.bind(); program_->bind(); |