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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 | |
21 | #ifndef OpenGl_PrimitiveArray_Header | |
22 | #define OpenGl_PrimitiveArray_Header | |
23 | ||
5f8b738e | 24 | #include <OpenGl_GlCore11.hxx> |
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25 | |
26 | #include <InterfaceGraphic_telem.hxx> | |
27 | #include <Aspect_InteriorStyle.hxx> | |
28 | ||
29 | #include <OpenGl_Element.hxx> | |
30 | ||
31 | struct OPENGL_SURF_PROP; | |
5f8b738e | 32 | class Handle(OpenGl_Context); |
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33 | |
34 | class OpenGl_PrimitiveArray : public OpenGl_Element | |
35 | { | |
36 | public: | |
1d03e66d | 37 | // OpenGL does not provie a constant for "none" draw mode. |
38 | // So we define our own one that does not conflict with GL constants | |
39 | // and untilizes common GL invalid value | |
40 | enum | |
41 | { | |
42 | DRAW_MODE_NONE = -1 | |
43 | }; | |
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44 | |
45 | //! Default constructor | |
46 | OpenGl_PrimitiveArray (CALL_DEF_PARRAY* thePArray); | |
47 | ||
48 | //! Destructor | |
49 | virtual ~OpenGl_PrimitiveArray(); | |
50 | ||
51 | //! Render primitives to the window | |
52 | virtual void Render (const Handle(OpenGl_Workspace)& theWorkspace) const; | |
53 | ||
54 | CALL_DEF_PARRAY* PArray() const { return myPArray; } | |
55 | ||
56 | private: | |
57 | ||
58 | //! VBO initialization procedures | |
59 | Standard_Boolean BuildVBO (const Handle(OpenGl_Workspace)& theWorkspace) const; | |
60 | void clearMemoryOwn() const; | |
61 | void clearMemoryGL (const Handle(OpenGl_Context)& theGlContext) const; | |
62 | Standard_Boolean checkSizeForGraphicMemory (const Handle(OpenGl_Context)& theGlContext) const; | |
63 | ||
64 | //! Main procedure to draw array | |
65 | void DrawArray (Tint theLightingModel, | |
66 | const Aspect_InteriorStyle theInteriorStyle, | |
67 | Tint theEdgeFlag, | |
68 | const TEL_COLOUR* theInteriorColour, | |
69 | const TEL_COLOUR* theLineColour, | |
70 | const TEL_COLOUR* theEdgeColour, | |
71 | const OPENGL_SURF_PROP* theFaceProp, | |
72 | const Handle(OpenGl_Workspace)& theWorkspace) const; | |
73 | ||
74 | //! Auxiliary procedures | |
75 | void DrawEdges (const TEL_COLOUR* theEdgeColour, | |
76 | const Handle(OpenGl_Workspace)& theWorkspace) const; | |
77 | ||
78 | void DrawDegeneratesAsPoints (const TEL_COLOUR* theEdgeColour, | |
79 | const float theSkipRatio) const; | |
80 | void DrawDegeneratesAsLines (const TEL_COLOUR* theEdgeColour, | |
81 | const Handle(OpenGl_Workspace)& theWorkspace) const; | |
82 | void DrawDegeneratesAsBBoxs (const TEL_COLOUR* theEdgeColour) const; | |
83 | ||
84 | void DrawDegeneratesPointsAsPoints() const; | |
85 | void DrawDegeneratesLinesAsPoints() const; | |
86 | void DrawDegeneratesLinesAsLines (const float theSkipRatio) const; | |
87 | void DrawDegeneratesTrianglesAsPoints() const; | |
88 | void DrawDegeneratesTrianglesAsLines (const float theSkipRatio) const; | |
89 | void DrawDegeneratesTrianglestripsAsPoints() const; | |
90 | void DrawDegeneratesTrianglestripsAsLines (const float theSkipRatio) const; | |
91 | void DrawDegeneratesQuadranglesAsPoints() const; | |
92 | void DrawDegeneratesQuadranglesAsLines (const float theSkipRatio) const; | |
93 | void DrawDegeneratesQuadranglestripsAsPoints() const; | |
94 | void DrawDegeneratesQuadranglestripsAsLines (const float theSkipRatio) const; | |
95 | void DrawDegeneratesPolygonsAsPoints() const; | |
96 | void DrawDegeneratesPolygonsAsLines (const float theSkipRatio) const; | |
97 | ||
98 | protected: | |
99 | ||
100 | mutable CALL_DEF_PARRAY* myPArray; | |
1d03e66d | 101 | GLint myDrawMode; |
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102 | |
103 | public: | |
104 | ||
1c35b92f | 105 | DEFINE_STANDARD_ALLOC |
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106 | |
107 | }; | |
108 | ||
109 | #endif //OpenGl_PrimitiveArray_Header |