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b311480e | 1 | // Created on: 2011-08-05 |
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 | ||
2166f0fa SK |
20 | #ifndef OpenGl_Element_Header |
21 | #define OpenGl_Element_Header | |
22 | ||
bf75be98 | 23 | #include <Handle_OpenGl_Context.hxx> |
24 | #include <Handle_OpenGl_Workspace.hxx> | |
2166f0fa | 25 | |
a174a3c5 | 26 | //! Base interface for drawable elements. |
2166f0fa SK |
27 | class OpenGl_Element |
28 | { | |
5e27df78 | 29 | public: |
2166f0fa | 30 | |
a174a3c5 | 31 | Standard_EXPORT OpenGl_Element(); |
5e27df78 | 32 | |
33 | virtual void Render (const Handle(OpenGl_Workspace)& theWorkspace) const = 0; | |
34 | ||
35 | //! Release GPU resources. | |
36 | virtual void Release (const Handle(OpenGl_Context)& theContext) = 0; | |
37 | ||
38 | template <typename theResource_t> | |
39 | static void Destroy (const Handle(OpenGl_Context)& theContext, | |
40 | theResource_t*& theElement) | |
41 | { | |
42 | if (theElement == NULL) | |
43 | { | |
44 | return; | |
45 | } | |
46 | ||
47 | theElement->Release (theContext); | |
48 | OpenGl_Element* anElement = theElement; | |
49 | delete anElement; | |
50 | theElement = NULL; | |
51 | } | |
52 | ||
53 | protected: | |
54 | ||
a174a3c5 | 55 | Standard_EXPORT virtual ~OpenGl_Element(); |
5e27df78 | 56 | |
57 | public: | |
2166f0fa | 58 | |
1c35b92f | 59 | DEFINE_STANDARD_ALLOC |
5e27df78 | 60 | |
2166f0fa SK |
61 | }; |
62 | ||
a174a3c5 | 63 | #endif // OpenGl_Element_Header |