Fill edge sharpness buffer

QTProject/subdivision.cpp

@@ -974,7 +974,16 @@ Subdivision::Result Subdivision::runShader(Input input, Tables &tables) {
     //prepare sharpness buffer
     QVector<unsigned int> sharpness;
     for (int i = 0; i < tables.edge_indices.size(); i+= 4){
-        sharpness.push_back(0);
+        unsigned int u = tables.edge_indices[i];
+        unsigned int v = tables.edge_indices[i+1];
+        Edge uv(u,v);
+        Edge vu(v,u);
+        if (input.sharp_edges.contains(uv)){
+            sharpness.push_back(input.sharp_edges[uv]);
+        }else if (input.sharp_edges.contains(vu)){
+            sharpness.push_back(input.sharp_edges[vu]);
+        }
+        else sharpness.push_back(0);
     }
     qCWarning(log_subdiv_trace)<<"Sharpness: "<< sharpness;
     GLuint edge_sharpness_handle;