0031505: Point Cloud Rendering - fix on-screen statistics about number of visible...

[occt.git] / src / OpenGl / OpenGl_Element.hxx

diff --git a/src/OpenGl/OpenGl_Element.hxx b/src/OpenGl/OpenGl_Element.hxx
index a548298..f4c6769 100644 (file)
--- a/src/OpenGl/OpenGl_Element.hxx
+++ b/src/OpenGl/OpenGl_Element.hxx
@@ -16,9 +16,12 @@
 #ifndef OpenGl_Element_Header
 #define OpenGl_Element_Header
 
-#include <Handle_OpenGl_Context.hxx>
-#include <Handle_OpenGl_Workspace.hxx>
 #include <OpenGl_RenderFilter.hxx>
+#include <Standard_Type.hxx>
+
+class Graphic3d_FrameStatsDataTmp;
+class OpenGl_Workspace;
+class OpenGl_Context;
 
 //! Base interface for drawable elements.
 class OpenGl_Element
@@ -55,27 +58,27 @@ public:
 
 public:
 
-  //! Render element if it passes the filtering procedure. This method should
-  //! be used for elements which can be used in scope of rendering algorithms.
-  //! E.g. elements of groups during recursive rendering.
-  //! If render filter is null, pure rendering is performed.
-  //! @param theWorkspace [in] the rendering workspace.
-  //! @param theFilter [in] the rendering filter to check whether the element
-  //! should be rendered or not.
-  //! @return True if element passes the filering check and is rendered.
-  inline Standard_Boolean
-    RenderFiltered (const Handle(OpenGl_Workspace)& theWorkspace,
-                    const Handle(OpenGl_RenderFilter)& theFilter) const
-  {
-    if (!theFilter.IsNull() && !theFilter->CanRender (this))
-    {
-      return Standard_False;
-    }
+  //! Return TRUE if primitive type generates shaded triangulation (to be used in filters).
+  virtual Standard_Boolean IsFillDrawMode() const { return false; }
 
-    Render (theWorkspace);
+  //! Returns estimated GPU memory usage for holding data without considering overheads and allocation alignment rules.
+  virtual Standard_Size EstimatedDataSize() const { return 0; }
 
-    return Standard_True;
-  }
+  //! Increment memory usage statistics.
+  //! Default implementation puts EstimatedDataSize() into Graphic3d_FrameStatsCounter_EstimatedBytesGeom.
+  Standard_EXPORT virtual void UpdateMemStats (Graphic3d_FrameStatsDataTmp& theStats) const;
+
+  //! Increment draw calls statistics.
+  //! @param theStats [in] [out] frame counters to increment
+  //! @param theIsDetailed  [in] indicate detailed dump (more counters - number of triangles, points, etc.)
+  Standard_EXPORT virtual void UpdateDrawStats (Graphic3d_FrameStatsDataTmp& theStats,
+                                                 bool theIsDetailed) const;
+
+  //! Update parameters of the drawable elements.
+  virtual void SynchronizeAspects() {}
+
+  //! Dumps the content of me into the stream
+  Standard_EXPORT virtual void DumpJson (Standard_OStream& theOStream, Standard_Integer theDepth = -1) const;
 
 protected: