fixed glDepthMask and thus shadows

basegraph.cpp

@@ -411,6 +411,9 @@ void setGLProjection(color_t col) {
   
   GLERR("setGLProjection");
   reset_projection();
+  
+  glhr::set_depthwrite(true);
+  glClear(GL_DEPTH_BUFFER_BIT);
   }
 
 inline int next_p2 (int a )

shaders.cpp

@@ -788,11 +788,11 @@ void set_depthtest(bool b) {
 
 
 void set_depthwrite(bool b) {
-  /*if(b != current_depthwrite) { <- this does not work ask intended for some reason...
+  if(b != current_depthwrite) { // <- this does not work ask intended for some reason...
     current_depthwrite = b;
     if(b) glDepthMask(GL_TRUE);
     else glDepthMask(GL_FALSE);
-    } */
+    }
   }
 
 }