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add comment about using readLockNormalCache

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This commit is contained in:
wmayer
2018-09-03 13:16:16 +02:00
parent 4231194a37
commit 299f68cda6
1 changed files with 9 additions and 2 deletions
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11
src/Mod/Mesh/Gui/SoFCIndexedFaceSet.cpp
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@@ -577,8 +577,12 @@ void SoFCIndexedFaceSet::drawFaces(SoGLRenderAction *action)
drawCoords(static_cast<const SoGLCoordinateElement*>(coords), cindices, numindices,
normals, nindices, &mb, mindices, binding, &tb, tindices);
if(normalCacheUsed)
// getVertexData() internally calls readLockNormalCache() that read locks
// the normal cache. When the cache is not needed any more we must call
// readUnlockNormalCache()
if (normalCacheUsed)
this->readUnlockNormalCache();
// Disable caching for this node
SoGLCacheContextElement::shouldAutoCache(state, SoGLCacheContextElement::DONT_AUTO_CACHE);
#endif
@@ -851,7 +855,10 @@ void SoFCIndexedFaceSet::generateGLArrays(SoGLRenderAction * action)
render.generateGLArrays(action, matbind, face_vertices, face_indices);
if(normalCacheUsed)
// getVertexData() internally calls readLockNormalCache() that read locks
// the normal cache. When the cache is not needed any more we must call
// readUnlockNormalCache()
if (normalCacheUsed)
this->readUnlockNormalCache();
}