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108 lines
3.2 KiB
C++
108 lines
3.2 KiB
C++
// Created on: 2011-07-13
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// Created by: Sergey ZERCHANINOV
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// Copyright (c) 2011-2012 OPEN CASCADE SAS
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//
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// The content of this file is subject to the Open CASCADE Technology Public
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// License Version 6.5 (the "License"). You may not use the content of this file
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// except in compliance with the License. Please obtain a copy of the License
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// at http://www.opencascade.org and read it completely before using this file.
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//
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// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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//
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// The Original Code and all software distributed under the License is
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// distributed on an "AS IS" basis, without warranty of any kind, and the
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// Initial Developer hereby disclaims all such warranties, including without
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// limitation, any warranties of merchantability, fitness for a particular
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// purpose or non-infringement. Please see the License for the specific terms
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// and conditions governing the rights and limitations under the License.
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#ifndef OpenGl_PrimitiveArray_Header
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#define OpenGl_PrimitiveArray_Header
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#include <OpenGl_VertexBuffer.hxx>
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#include <InterfaceGraphic_Graphic3d.hxx>
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#include <Aspect_InteriorStyle.hxx>
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#include <OpenGl_Element.hxx>
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struct OPENGL_SURF_PROP;
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class OpenGl_PrimitiveArray : public OpenGl_Element
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{
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public:
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// OpenGL does not provie a constant for "none" draw mode.
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// So we define our own one that does not conflict with GL constants
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// and untilizes common GL invalid value
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enum
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{
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DRAW_MODE_NONE = -1
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};
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//! Default constructor
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OpenGl_PrimitiveArray (CALL_DEF_PARRAY* thePArray);
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//! Render primitives to the window
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virtual void Render (const Handle(OpenGl_Workspace)& theWorkspace) const;
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virtual void Release (const Handle(OpenGl_Context)& theContext);
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CALL_DEF_PARRAY* PArray() const { return myPArray; }
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private:
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Standard_Boolean toDrawVbo() const
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{
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return !myVbos[VBOVertices].IsNull();
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}
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//! VBO initialization procedures
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Standard_Boolean BuildVBO (const Handle(OpenGl_Workspace)& theWorkspace) const;
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void clearMemoryOwn() const;
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void clearMemoryGL (const Handle(OpenGl_Context)& theGlCtx) const;
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//! Main procedure to draw array
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void DrawArray (Tint theLightingModel,
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const Aspect_InteriorStyle theInteriorStyle,
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Tint theEdgeFlag,
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const TEL_COLOUR* theInteriorColour,
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const TEL_COLOUR* theLineColour,
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const TEL_COLOUR* theEdgeColour,
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const OPENGL_SURF_PROP* theFaceProp,
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const Handle(OpenGl_Workspace)& theWorkspace) const;
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//! Auxiliary procedures
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void DrawEdges (const TEL_COLOUR* theEdgeColour,
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const Handle(OpenGl_Workspace)& theWorkspace) const;
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protected:
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//! Destructor
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virtual ~OpenGl_PrimitiveArray();
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protected:
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typedef enum
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{
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VBOEdges,
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VBOVertices,
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VBOVcolours,
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VBOVnormals,
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VBOVtexels,
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VBOMaxType
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} VBODataType;
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mutable CALL_DEF_PARRAY* myPArray;
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mutable Handle(OpenGl_VertexBuffer) myVbos[VBOMaxType];
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GLint myDrawMode;
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mutable Standard_Boolean myIsVboInit;
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public:
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DEFINE_STANDARD_ALLOC
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};
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#endif //OpenGl_PrimitiveArray_Header
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