workaround for deleting bug

QTProject/mainwidget.cpp

@@ -220,10 +220,25 @@ void MainWidget::paintGL(){
 
     mesh->render(subdevisionShader,cam->getMatrix()*rot, m_projection,subdivLevel,false);
 
-    //glEnable (GL_BLEND);
-    //glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+    if(subdivLevel>0){
+
+        glEnable (GL_BLEND);
+        glDepthMask(GL_FALSE);
+        glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+        subdevisionShader->setUniformValue("wireframe",false);
+        mesh->render(subdevisionShader,cam->getMatrix()*rot, m_projection,0,false);
+        glDisable(GL_BLEND);
+        glDepthMask(GL_TRUE);
+    }
+
 
     subdevisionShader->release();
+
+
+
+
+
+
     update();
 }
 

QTProject/mesh.cpp

@@ -15,11 +15,11 @@ Mesh::SubdivEntry::SubdivEntry()
 
 Mesh::SubdivEntry::~SubdivEntry()
 {
-
-    f->glDeleteBuffers(1, &VB_handle);
+    qDebug()<<"FIXME: Delete Called: num vertex:"<<vertices.size();
+    /*f->glDeleteBuffers(1, &VB_handle);
     f->glDeleteBuffers(1, &IB_handle);
     f->glDeleteBuffers(1, &IB_Regular);
-
+    */
 }
 
 
@@ -103,7 +103,8 @@ void Mesh::MeshEntry::init(QOpenGLFunctions_4_3_Core *f,QVector<Vertex>& Vertice
 
 void Mesh::MeshEntry::update(GLuint VB, QVector<Vertex>& Vertices, QVector<unsigned int>& Indices){
     buffers.resize(buffers.size()+1);
-    buffers[buffers.size()-1].init(f,VB,Vertices,Indices);
+    SubdivEntry *entry = &buffers[buffers.size()-1];
+    entry->init(f,VB,Vertices,Indices);
 }
 
 Mesh::MeshEntry::~MeshEntry()

QTProject/subdivide.frag

 #version 430
-layout(location = 0) out vec3 color;
+#define ALPHA 0.15
+
+layout(location = 0) out vec4 color;
+
 
 in vec3 gCamPosition;
 in vec3 gCamNormal;
@@ -48,12 +51,12 @@ void addWireframe(){
     if( wireframe == true){
         float d = min(gTriDistance.x,min(gTriDistance.y,gTriDistance.z));
         if(d < 0.02){
-            color = vec3(0.0,1.0,0.0);
+            color = vec4(0.0,1.0,0.0,ALPHA);
         }
 
         float d2 = min(gPatchDistance.x,min(gPatchDistance.y,gPatchDistance.z));
        if(d2 < 0.01){
-            color = vec3(0.0,0.0,1.0);
+            color = vec4(0.0,0.0,1.0,ALPHA);
         }
     }
 }
@@ -62,7 +65,7 @@ void addWireframe(){
 
 void main()
 {
-    color = phong(LightPos);
+    color = vec4(phong(LightPos),ALPHA);
     //color = abs(normalize(gCamNormal));
 
     addWireframe();