0024138: Exception during projection of the point on the face
[occt.git] / src / OpenGl / OpenGl_PrimitiveArray.hxx
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b311480e 1// Created on: 2011-07-13
2// Created by: Sergey ZERCHANINOV
3// Copyright (c) 2011-2012 OPEN CASCADE SAS
4//
5// The content of this file is subject to the Open CASCADE Technology Public
6// License Version 6.5 (the "License"). You may not use the content of this file
7// except in compliance with the License. Please obtain a copy of the License
8// at http://www.opencascade.org and read it completely before using this file.
9//
10// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
11// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
12//
13// The Original Code and all software distributed under the License is
14// distributed on an "AS IS" basis, without warranty of any kind, and the
15// Initial Developer hereby disclaims all such warranties, including without
16// limitation, any warranties of merchantability, fitness for a particular
17// purpose or non-infringement. Please see the License for the specific terms
18// and conditions governing the rights and limitations under the License.
19
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20#ifndef OpenGl_PrimitiveArray_Header
21#define OpenGl_PrimitiveArray_Header
22
5e27df78 23#include <OpenGl_VertexBuffer.hxx>
2166f0fa 24
bf75be98 25#include <InterfaceGraphic_Graphic3d.hxx>
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26#include <Aspect_InteriorStyle.hxx>
27
28#include <OpenGl_Element.hxx>
29
30struct OPENGL_SURF_PROP;
31
32class OpenGl_PrimitiveArray : public OpenGl_Element
33{
34public:
1d03e66d 35 // OpenGL does not provie a constant for "none" draw mode.
36 // So we define our own one that does not conflict with GL constants
37 // and untilizes common GL invalid value
38 enum
39 {
40 DRAW_MODE_NONE = -1
41 };
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42
43 //! Default constructor
44 OpenGl_PrimitiveArray (CALL_DEF_PARRAY* thePArray);
45
2166f0fa 46 //! Render primitives to the window
5e27df78 47 virtual void Render (const Handle(OpenGl_Workspace)& theWorkspace) const;
48
49 virtual void Release (const Handle(OpenGl_Context)& theContext);
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50
51 CALL_DEF_PARRAY* PArray() const { return myPArray; }
52
53private:
54
5e27df78 55 Standard_Boolean toDrawVbo() const
56 {
57 return !myVbos[VBOVertices].IsNull();
58 }
59
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60 //! VBO initialization procedures
61 Standard_Boolean BuildVBO (const Handle(OpenGl_Workspace)& theWorkspace) const;
62 void clearMemoryOwn() const;
5e27df78 63 void clearMemoryGL (const Handle(OpenGl_Context)& theGlCtx) const;
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64
65 //! Main procedure to draw array
66 void DrawArray (Tint theLightingModel,
67 const Aspect_InteriorStyle theInteriorStyle,
68 Tint theEdgeFlag,
69 const TEL_COLOUR* theInteriorColour,
70 const TEL_COLOUR* theLineColour,
71 const TEL_COLOUR* theEdgeColour,
72 const OPENGL_SURF_PROP* theFaceProp,
73 const Handle(OpenGl_Workspace)& theWorkspace) const;
74
75 //! Auxiliary procedures
76 void DrawEdges (const TEL_COLOUR* theEdgeColour,
77 const Handle(OpenGl_Workspace)& theWorkspace) const;
78
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79protected:
80
5e27df78 81 //! Destructor
82 virtual ~OpenGl_PrimitiveArray();
83
84protected:
85
86 typedef enum
87 {
88 VBOEdges,
89 VBOVertices,
90 VBOVcolours,
91 VBOVnormals,
92 VBOVtexels,
93 VBOMaxType
94 } VBODataType;
95
96 mutable CALL_DEF_PARRAY* myPArray;
97 mutable Handle(OpenGl_VertexBuffer) myVbos[VBOMaxType];
98 GLint myDrawMode;
99 mutable Standard_Boolean myIsVboInit;
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100
101public:
102
1c35b92f 103 DEFINE_STANDARD_ALLOC
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104
105};
106
107#endif //OpenGl_PrimitiveArray_Header