1 // Created on: 2015-06-10
2 // Created by: Kirill Gavrilov
3 // Copyright (c) 2015 OPEN CASCADE SAS
5 // This file is part of Open CASCADE Technology software library.
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License version 2.1 as published
9 // by the Free Software Foundation, with special exception defined in the file
10 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11 // distribution for complete text of the license and disclaimer of any warranty.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
16 #ifndef _D3DHost_View_HeaderFile
17 #define _D3DHost_View_HeaderFile
19 #include <D3DHost_FrameBuffer.hxx>
20 #include <OpenGl_View.hxx>
21 #include <OpenGl_Workspace.hxx>
23 class D3DHost_GraphicDriver;
25 struct IDirect3DDevice9;
26 typedef struct _D3DPRESENT_PARAMETERS_ D3DPRESENT_PARAMETERS;
28 //! The D3D host view implementation that overrides rendering methods.
29 class D3DHost_View : public OpenGl_View
35 Standard_EXPORT D3DHost_View (const Handle(Graphic3d_StructureManager)& theMgr,
36 const Handle(D3DHost_GraphicDriver)& theDriver,
37 const Handle(OpenGl_Caps)& theCaps,
38 OpenGl_StateCounter* theCounter);
40 //! Default destructor.
41 Standard_EXPORT virtual ~D3DHost_View();
43 //! Creates and maps rendering window to the view.
44 //! @param theWindow [in] the window.
45 //! @param theContext [in] the rendering context. If NULL the context will be created internally.
46 //! @param theDisplayCB [in] the display callback function. If is not a NULL value, then the callback will be
47 //! invoked at the end of the OCC graphic traversal and just before the swap of buffers.
48 //! @param theClientData [in] the client data for the callback.
49 Standard_EXPORT virtual void SetWindow (const Handle(Aspect_Window)& theWindow,
50 const Aspect_RenderingContext theContext) Standard_OVERRIDE;
52 //! Resizes the window.
53 Standard_EXPORT virtual void Resized() Standard_OVERRIDE;
55 //! Redraw the all content.
56 Standard_EXPORT virtual void Redraw() Standard_OVERRIDE;
58 //! Redraw only immediate layer.
59 Standard_EXPORT virtual void RedrawImmediate() Standard_OVERRIDE;
63 //! @return true if IDirect3DDevice9Ex device has been created
64 bool isD3dEx() const { return myIsD3dEx; }
66 //! Access Direct3D device instance.
67 IDirect3DDevice9* D3dDevice() const { return myD3dDevice; }
69 //! Return D3D/WGL FBO.
70 const Handle(D3DHost_FrameBuffer)& D3dWglBuffer() const { return myD3dWglFbo; }
72 //! Return D3D surface.
73 IDirect3DSurface9* D3dColorSurface() const { return myD3dWglFbo->D3dColorSurface(); }
78 Standard_EXPORT static TCollection_AsciiString d3dFormatError (const long theErrCode);
80 //! Initialize the D3D library.
81 Standard_EXPORT bool d3dInitLib();
83 //! Initialize Direct3D output device.
84 Standard_EXPORT bool d3dInit();
86 //! Reset Direct3D output settings. Could be used to switch windowed/fullscreen modes.
87 //! Use very carefully! Most objects should be released before and recreated after!
88 Standard_EXPORT bool d3dReset();
90 //! (Re-)create D3D surface.
91 Standard_EXPORT bool d3dCreateRenderTarget();
93 //! Starts the scene render.
94 //! Clears the backbuffer and sets the device to start rendering to it.
95 Standard_EXPORT void d3dBeginRender();
97 //! Ends the scene render.
98 Standard_EXPORT void d3dEndRender();
100 //! Presents to the screen.
101 Standard_EXPORT bool d3dSwap();
105 IDirect3D9* myD3dLib; //!< Direct3D library instance
106 IDirect3DDevice9* myD3dDevice; //!< Direct3D device object
107 NCollection_Handle<D3DPRESENT_PARAMETERS>
108 myD3dParams; //!< parameters for created Direct3D device
109 unsigned int myRefreshRate; //!< refresh rate in fullscreen mode
110 bool myIsD3dEx; //!< D3dEx flag for WDDM
111 Handle(D3DHost_FrameBuffer) myD3dWglFbo; //!< D3D/WGL interop FBO
115 DEFINE_STANDARD_RTTIEXT(D3DHost_View,OpenGl_View)
119 DEFINE_STANDARD_HANDLE(D3DHost_View, OpenGl_View)
121 #endif // #ifndef _D3DHost_View_HeaderFile