| 1 | // File: OpenGl_Resource.hxx |
| 2 | // Created: 18.03.11 9:20:00 |
| 3 | // Author: Anton POLETAEV |
| 4 | |
| 5 | #ifndef _OPENGL_RESOURCE_H |
| 6 | #define _OPENGL_RESOURCE_H |
| 7 | |
| 8 | #include <OpenGl_ResourceCleaner.hxx> |
| 9 | #include <MMgt_TShared.hxx> |
| 10 | #include <Standard.hxx> |
| 11 | #include <Standard_DefineHandle.hxx> |
| 12 | #include <Handle_MMgt_TShared.hxx> |
| 13 | |
| 14 | class Standard_Transient; |
| 15 | class Handle(Standard_Type); |
| 16 | class Handle(MMgt_TShared); |
| 17 | class OpenGl_ResourceCleaner; |
| 18 | |
| 19 | //! Class represents basic OpenGl memory resource, which |
| 20 | //! could be removed only if appropriate context is avaliable; |
| 21 | //! The cleaning procedure is done by OpenGl_ResourceCleaner |
| 22 | class OpenGl_Resource : public MMgt_TShared |
| 23 | { |
| 24 | |
| 25 | public: |
| 26 | |
| 27 | //! Constructor |
| 28 | OpenGl_Resource() : myId(0) { } |
| 29 | |
| 30 | //! Constructor |
| 31 | OpenGl_Resource(GLuint theId) : myId(theId) { } |
| 32 | |
| 33 | //! Copy constructor |
| 34 | OpenGl_Resource(const OpenGl_Resource& theBase) : myId(theBase.myId) { } |
| 35 | |
| 36 | //! Copy operation |
| 37 | OpenGl_Resource& operator = (const OpenGl_Resource& theBase) |
| 38 | { |
| 39 | this->myId = theBase.myId; |
| 40 | return *this; |
| 41 | } |
| 42 | |
| 43 | //! Destructor |
| 44 | virtual ~OpenGl_Resource() { } |
| 45 | |
| 46 | //! method clean() is accessible only by OpenGl_ResourceCleaner |
| 47 | friend class OpenGl_ResourceCleaner; |
| 48 | |
| 49 | protected: |
| 50 | |
| 51 | //! Clean procedure, should be called only by OpenGl_ResourceCleaner; |
| 52 | //! Each type of resource has its own cleaning procedure |
| 53 | virtual void Clean() = 0; |
| 54 | |
| 55 | protected: |
| 56 | |
| 57 | GLuint myId; // Id of OpenGl memory resource |
| 58 | |
| 59 | }; |
| 60 | |
| 61 | DEFINE_STANDARD_HANDLE(OpenGl_Resource,MMgt_TShared) |
| 62 | |
| 63 | #endif |