Implements bridge FBO for direct rendering to Direct3D surfaces. More...

#include <D3DHost_FrameBuffer.hxx>

Inheritance diagram for D3DHost_FrameBuffer:

Public Member Functions
	D3DHost_FrameBuffer ()
	Empty constructor. More...

	~D3DHost_FrameBuffer ()
	Destructor, should be called after Release(). More...

virtual void	Release (OpenGl_Context *theCtx) override
	Releases D3D and OpenGL resources. More...

Standard_Boolean	Init (const Handle< OpenGl_Context > &theCtx, IDirect3DDevice9 *theD3DDevice, const Standard_Boolean theIsD3dEx, const Standard_Integer theSizeX, const Standard_Integer theSizeY)
	Initializes OpenGL FBO for Direct3D interoperability. More...

Standard_Boolean	registerD3dBuffer (const Handle< OpenGl_Context > &theCtx)
	Binds Direct3D color buffer to OpenGL texture. More...

virtual void	BindBuffer (const Handle< OpenGl_Context > &theCtx) override
	Binds Direct3D objects for OpenGL drawing. Should be called before LockSurface() and followed by UnlockSurface();. More...

virtual void	LockSurface (const Handle< OpenGl_Context > &theCtx)
	Acquires D3D resource for OpenGL usage. More...

virtual void	UnlockSurface (const Handle< OpenGl_Context > &theCtx)
	Releases D3D resource. More...

IDirect3DSurface9 *	D3dColorSurface ()
	Returns D3D surface used as color buffer. More...

void *	D3dColorSurfaceShare ()
	Returns WDDM hande for D3D color surface. More...

Public Member Functions inherited from OpenGl_FrameBuffer
	OpenGl_FrameBuffer ()
	Empty constructor. More...

virtual	~OpenGl_FrameBuffer ()
	Destructor. More...

GLsizei	NbSamples () const
	Number of multisampling samples. More...

bool	HasColor () const
	Return true if FBO has been created with color attachment. More...

bool	HasDepth () const
	Return true if FBO has been created with depth attachment. More...

GLsizei	GetSizeX () const
	Textures width. More...

GLsizei	GetSizeY () const
	Textures height. More...

GLsizei	GetVPSizeX () const
	Viewport width. More...

GLsizei	GetVPSizeY () const
	Viewport height. More...

Standard_Boolean	IsValid () const
	Returns true if current object was initialized. More...

Standard_Boolean	Init (const Handle< OpenGl_Context > &theGlCtx, const GLsizei theSizeX, const GLsizei theSizeY, const GLint theColorFormat, const GLint theDepthFormat, const GLsizei theNbSamples=0)
	Initialize FBO for rendering into textures. More...

Standard_Boolean	InitLazy (const Handle< OpenGl_Context > &theGlCtx, const GLsizei theViewportSizeX, const GLsizei theViewportSizeY, const GLint theColorFormat, const GLint theDepthFormat, const GLsizei theNbSamples=0)
	(Re-)initialize FBO with specified dimensions. More...

Standard_Boolean	InitLazy (const Handle< OpenGl_Context > &theGlCtx, const OpenGl_FrameBuffer &theFbo)
	(Re-)initialize FBO with properties taken from another FBO. More...

Standard_Boolean	InitWithRB (const Handle< OpenGl_Context > &theGlCtx, const GLsizei theSizeX, const GLsizei theSizeY, const GLint theColorFormat, const GLint theDepthFormat, const GLuint theColorRBufferFromWindow=0)
	(Re-)initialize FBO with specified dimensions. The Render Buffer Objects will be used for Color, Depth and Stencil attachments (as opposite to textures). More...

Standard_Boolean	InitWrapper (const Handle< OpenGl_Context > &theGlCtx)
	Initialize class from currently bound FBO. Retrieved OpenGL objects will not be destroyed on Release. More...

void	SetupViewport (const Handle< OpenGl_Context > &theGlCtx)
	Setup viewport to render into FBO. More...

void	ChangeViewport (const GLsizei theVPSizeX, const GLsizei theVPSizeY)
	Override viewport settings. More...

virtual void	BindDrawBuffer (const Handle< OpenGl_Context > &theGlCtx)
	Bind frame buffer for drawing GL_DRAW_FRAMEBUFFER (to render into the texture). More...

virtual void	BindReadBuffer (const Handle< OpenGl_Context > &theGlCtx)
	Bind frame buffer for reading GL_READ_FRAMEBUFFER. More...

virtual void	UnbindBuffer (const Handle< OpenGl_Context > &theGlCtx)
	Unbind frame buffer. More...

const Handle< OpenGl_Texture > &	ColorTexture () const
	Returns the color texture. More...

const Handle< OpenGl_Texture > &	DepthStencilTexture () const
	Returns the depth-stencil texture. More...

GLuint	ColorRenderBuffer () const
	Returns the color Render Buffer. More...

GLuint	DepthStencilRenderBuffer () const
	Returns the depth Render Buffer. More...

Public Member Functions inherited from OpenGl_Resource
	OpenGl_Resource ()
	Empty constructor. More...

virtual	~OpenGl_Resource ()
	Destructor. Inheritors should call Clean (NULL) within it. More...

Public Member Functions inherited from Standard_Transient
	Standard_Transient ()
	Empty constructor. More...

	Standard_Transient (const Standard_Transient &)
	Copy constructor – does nothing. More...

Standard_Transient &	operator= (const Standard_Transient &)
	Assignment operator, needed to avoid copying reference counter. More...

virtual	~Standard_Transient ()
	Destructor must be virtual. More...

virtual void	Delete () const
	Memory deallocator for transient classes. More...

virtual const opencascade::handle< Standard_Type > &	DynamicType () const
	Returns a type descriptor about this object. More...

Standard_Boolean	IsInstance (const opencascade::handle< Standard_Type > &theType) const
	Returns a true value if this is an instance of Type. More...

Standard_Boolean	IsInstance (const Standard_CString theTypeName) const
	Returns a true value if this is an instance of TypeName. More...

Standard_Boolean	IsKind (const opencascade::handle< Standard_Type > &theType) const
	Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...

Standard_Boolean	IsKind (const Standard_CString theTypeName) const
	Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...

Standard_Transient *	This () const
	Returns non-const pointer to this object (like const_cast). For protection against creating handle to objects allocated in stack or call from constructor, it will raise exception Standard_ProgramError if reference counter is zero. More...

Standard_Integer	GetRefCount () const
	Get the reference counter of this object. More...

void	IncrementRefCounter () const
	Increments the reference counter of this object. More...

Standard_Integer	DecrementRefCounter () const
	Decrements the reference counter of this object; returns the decremented value. More...

Protected Attributes
IDirect3DSurface9 *	myD3dSurf
	D3D surface. More...

void *	myD3dSurfShare
	D3D surface share handle in WDDM. More...

void *	myGlD3dDevice
	WGL/D3D device handle. More...

void *	myGlD3dSurf
	WGL/D3D surface handle. More...

Standard_Integer	myLockCount
	locking counter More...

Protected Attributes inherited from OpenGl_FrameBuffer
GLsizei	myVPSizeX
	viewport width (should be <= texture width) More...

GLsizei	myVPSizeY
	viewport height (should be <= texture height) More...

GLsizei	myNbSamples
	number of MSAA samples More...

GLint	myColorFormat
	sized format for color texture, GL_RGBA8 by default More...

GLint	myDepthFormat
	sized format for depth-stencil texture, GL_DEPTH24_STENCIL8 by default More...

GLuint	myGlFBufferId
	FBO object ID. More...

GLuint	myGlColorRBufferId
	color Render Buffer object (alternative to myColorTexture) More...

GLuint	myGlDepthRBufferId
	depth-stencil Render Buffer object (alternative to myDepthStencilTexture) More...

bool	myIsOwnBuffer
	flag indicating that FBO should be deallocated by this class More...

Handle< OpenGl_Texture >	myColorTexture
	color texture object More...

Handle< OpenGl_Texture >	myDepthStencilTexture
	depth-stencil texture object More...

Additional Inherited Members
Public Types inherited from Standard_Transient
typedef void	base_type
	Returns a type descriptor about this object. More...

Static Public Member Functions inherited from Standard_Transient
static const char *	get_type_name ()
	Returns a type descriptor about this object. More...

static const opencascade::handle< Standard_Type > &	get_type_descriptor ()
	Returns type descriptor of Standard_Transient class. More...

Static Public Attributes inherited from OpenGl_FrameBuffer
static const GLuint	NO_FRAMEBUFFER = 0
	Helpful constants. More...

static const GLuint	NO_RENDERBUFFER = 0

Protected Member Functions inherited from OpenGl_FrameBuffer
Standard_Boolean	isValidFrameBuffer () const

Detailed Description

Implements bridge FBO for direct rendering to Direct3D surfaces.

Constructor & Destructor Documentation

D3DHost_FrameBuffer::D3DHost_FrameBuffer ( )

Empty constructor.

D3DHost_FrameBuffer::~D3DHost_FrameBuffer ( )

Destructor, should be called after Release().

Member Function Documentation

virtual void D3DHost_FrameBuffer::BindBuffer ( const Handle< OpenGl_Context > & theCtx )

overridevirtual

Binds Direct3D objects for OpenGL drawing. Should be called before LockSurface() and followed by UnlockSurface();.

Reimplemented from OpenGl_FrameBuffer.

IDirect3DSurface9* D3DHost_FrameBuffer::D3dColorSurface ( )

inline

Returns D3D surface used as color buffer.

void* D3DHost_FrameBuffer::D3dColorSurfaceShare ( )

inline

Returns WDDM hande for D3D color surface.

Standard_Boolean D3DHost_FrameBuffer::Init	(	const Handle< OpenGl_Context > &	theCtx,
		IDirect3DDevice9 *	theD3DDevice,
		const Standard_Boolean	theIsD3dEx,
		const Standard_Integer	theSizeX,
		const Standard_Integer	theSizeY
	)

Initializes OpenGL FBO for Direct3D interoperability.

virtual void D3DHost_FrameBuffer::LockSurface ( const Handle< OpenGl_Context > & theCtx )

virtual

Acquires D3D resource for OpenGL usage.

Standard_Boolean D3DHost_FrameBuffer::registerD3dBuffer ( const Handle< OpenGl_Context > & theCtx )

Binds Direct3D color buffer to OpenGL texture.

virtual void D3DHost_FrameBuffer::Release ( OpenGl_Context * theCtx )

overridevirtual

Releases D3D and OpenGL resources.

Reimplemented from OpenGl_FrameBuffer.

virtual void D3DHost_FrameBuffer::UnlockSurface ( const Handle< OpenGl_Context > & theCtx )

virtual

Releases D3D resource.

Field Documentation

IDirect3DSurface9* D3DHost_FrameBuffer::myD3dSurf

protected

D3D surface.

void* D3DHost_FrameBuffer::myD3dSurfShare

protected

D3D surface share handle in WDDM.

void* D3DHost_FrameBuffer::myGlD3dDevice

protected

WGL/D3D device handle.

void* D3DHost_FrameBuffer::myGlD3dSurf

protected

WGL/D3D surface handle.

Standard_Integer D3DHost_FrameBuffer::myLockCount

protected

locking counter

The documentation for this class was generated from the following file:

D3DHost_FrameBuffer.hxx

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Field Documentation