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6cde53c431
D3DHost_FrameBuffer now provides fallback code copying OpenGL FBO content into D3D surface (slow). OpenGl_FrameBuffer::BufferDump() - FBO dump implementation has been moved from OpenGl_Workspace::BufferDump().
122 lines
4.3 KiB
C++
122 lines
4.3 KiB
C++
// Created on: 2015-06-10
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// Created by: Kirill Gavrilov
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// Copyright (c) 2015 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _D3DHost_View_HeaderFile
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#define _D3DHost_View_HeaderFile
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#include <D3DHost_FrameBuffer.hxx>
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#include <OpenGl_View.hxx>
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#include <OpenGl_Workspace.hxx>
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class D3DHost_GraphicDriver;
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struct IDirect3D9;
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struct IDirect3DDevice9;
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typedef struct _D3DPRESENT_PARAMETERS_ D3DPRESENT_PARAMETERS;
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//! The D3D host view implementation that overrides rendering methods.
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class D3DHost_View : public OpenGl_View
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{
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public:
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//! Constructor.
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Standard_EXPORT D3DHost_View (const Handle(Graphic3d_StructureManager)& theMgr,
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const Handle(D3DHost_GraphicDriver)& theDriver,
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const Handle(OpenGl_Caps)& theCaps,
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OpenGl_StateCounter* theCounter);
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//! Default destructor.
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Standard_EXPORT virtual ~D3DHost_View();
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//! Creates and maps rendering window to the view.
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//! @param theWindow [in] the window.
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//! @param theContext [in] the rendering context. If NULL the context will be created internally.
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//! @param theDisplayCB [in] the display callback function. If is not a NULL value, then the callback will be
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//! invoked at the end of the OCC graphic traversal and just before the swap of buffers.
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//! @param theClientData [in] the client data for the callback.
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Standard_EXPORT virtual void SetWindow (const Handle(Aspect_Window)& theWindow,
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const Aspect_RenderingContext theContext) Standard_OVERRIDE;
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//! Resizes the window.
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Standard_EXPORT virtual void Resized() Standard_OVERRIDE;
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//! Redraw the all content.
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Standard_EXPORT virtual void Redraw() Standard_OVERRIDE;
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//! Redraw only immediate layer.
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Standard_EXPORT virtual void RedrawImmediate() Standard_OVERRIDE;
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public:
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//! @return true if IDirect3DDevice9Ex device has been created
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bool isD3dEx() const { return myIsD3dEx; }
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//! Access Direct3D device instance.
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IDirect3DDevice9* D3dDevice() const { return myD3dDevice; }
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//! Return D3D/WGL FBO.
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const Handle(D3DHost_FrameBuffer)& D3dWglBuffer() const { return myD3dWglFbo; }
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//! Return D3D surface.
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Standard_EXPORT IDirect3DSurface9* D3dColorSurface() const;
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protected:
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//! Auxiliary method.
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Standard_EXPORT static TCollection_AsciiString d3dFormatError (const long theErrCode);
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//! Initialize the D3D library.
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Standard_EXPORT bool d3dInitLib();
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//! Initialize Direct3D output device.
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Standard_EXPORT bool d3dInit();
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//! Reset Direct3D output settings. Could be used to switch windowed/fullscreen modes.
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//! Use very carefully! Most objects should be released before and recreated after!
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Standard_EXPORT bool d3dReset();
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//! (Re-)create D3D surface.
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Standard_EXPORT bool d3dCreateRenderTarget();
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//! Starts the scene render.
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//! Clears the backbuffer and sets the device to start rendering to it.
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Standard_EXPORT void d3dBeginRender();
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//! Ends the scene render.
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Standard_EXPORT void d3dEndRender();
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//! Presents to the screen.
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Standard_EXPORT bool d3dSwap();
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protected:
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IDirect3D9* myD3dLib; //!< Direct3D library instance
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IDirect3DDevice9* myD3dDevice; //!< Direct3D device object
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NCollection_Handle<D3DPRESENT_PARAMETERS>
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myD3dParams; //!< parameters for created Direct3D device
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unsigned int myRefreshRate; //!< refresh rate in fullscreen mode
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bool myIsD3dEx; //!< D3dEx flag for WDDM
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Handle(D3DHost_FrameBuffer) myD3dWglFbo; //!< D3D/WGL interop FBO
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public:
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DEFINE_STANDARD_RTTIEXT(D3DHost_View,OpenGl_View)
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};
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DEFINE_STANDARD_HANDLE(D3DHost_View, OpenGl_View)
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#endif // #ifndef _D3DHost_View_HeaderFile
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