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Fixed crash when turning on shells visibility in preview and the application was started with background processing active

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This commit is contained in:
enricoturri1966 2021-10-05 14:49:18 +02:00
parent 80844ca337
commit 37219fe4f3
1 changed files with 8 additions and 0 deletions
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8
src/slic3r/GUI/GCodeViewer.cpp
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@ -3203,6 +3203,14 @@ void GCodeViewer::render_shells()
if (shader == nullptr)
return;
// when the background processing is enabled, it may happen that the shells data have been loaded
// before opengl has been initialized for the preview canvas.
// when this happens, the volumes' data have not been sent to gpu yet.
for (GLVolume* v : m_shells.volumes.volumes) {
if (!v->indexed_vertex_array.has_VBOs())
v->finalize_geometry(true);
}
// glsafe(::glDepthMask(GL_FALSE));
shader->start_using();