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.

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

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

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 or in fallback mode. Color pixel format is always GL_RGBA8/D3DFMT_X8R8G8B8, no MSAA; depth-stencil pixel format is GL_DEPTH24_STENCIL8.

Standard_Boolean	InitD3dInterop (const Handle< OpenGl_Context > &theCtx, IDirect3DDevice9 *theD3DDevice, const Standard_Boolean theIsD3dEx, const Standard_Integer theSizeX, const Standard_Integer theSizeY, const Standard_Integer theDepthFormat)
	Initializes OpenGL FBO for Direct3D interoperability. Color pixel format is always GL_RGBA8/D3DFMT_X8R8G8B8, no MSAA.

Standard_Boolean	InitD3dFallback (const Handle< OpenGl_Context > &theCtx, IDirect3DDevice9 *theD3DDevice, const Standard_Boolean theIsD3dEx, const Standard_Integer theSizeX, const Standard_Integer theSizeY, const Standard_Integer theDepthFormat)
	Initializes OpenGL FBO + Direct3D surface for copying memory using fallback. Color pixel format is always GL_RGBA8/D3DFMT_X8R8G8B8, no MSAA.

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

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

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

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

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

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

Standard_Boolean	D3dFallback () const
	Returns TRUE if FBO has been initialized without WGL/D3D interop.

Standard_Boolean	IsSRGBReady () const
	Returns TRUE if color buffer is sRGB ready; FALSE by default. Requires D3DSAMP_SRGBTEXTURE sampler parameter being set on D3D level for rendering D3D surface.

void	SetSRGBReady (Standard_Boolean theIsReady)
	Set if color buffer is sRGB ready.

Public Member Functions inherited from OpenGl_FrameBuffer
	OpenGl_FrameBuffer (const TCollection_AsciiString &theResourceId=TCollection_AsciiString())
	Empty constructor.

virtual	~OpenGl_FrameBuffer ()
	Destructor.

Standard_Integer	NbSamples () const
	Number of multisampling samples.

Standard_Integer	NbColorBuffers () const
	Number of color buffers.

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

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

Graphic3d_Vec2i	GetSize () const
	Return textures width x height.

Standard_Integer	GetSizeX () const
	Textures width.

Standard_Integer	GetSizeY () const
	Textures height.

Graphic3d_Vec2i	GetVPSize () const
	Return viewport width x height.

Standard_Integer	GetVPSizeX () const
	Viewport width.

Standard_Integer	GetVPSizeY () const
	Viewport height.

Graphic3d_Vec2i	GetInitVPSize () const
	Return viewport width x height.

Standard_Integer	GetInitVPSizeX () const
	Viewport width.

Standard_Integer	GetInitVPSizeY () const
	Viewport height.

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

Standard_Boolean	Init (const Handle< OpenGl_Context > &theGlCtx, const Graphic3d_Vec2i &theSize, const OpenGl_ColorFormats &theColorFormats, const Handle< OpenGl_Texture > &theDepthStencilTexture, const Standard_Integer theNbSamples=0)
	Initialize FBO for rendering into single/multiple color buffer and depth textures.

Standard_Boolean	Init (const Handle< OpenGl_Context > &theGlCtx, const Graphic3d_Vec2i &theSize, const Standard_Integer theColorFormat, const Standard_Integer theDepthFormat, const Standard_Integer theNbSamples=0)
	Initialize FBO for rendering into textures.

Standard_Boolean	Init (const Handle< OpenGl_Context > &theGlCtx, const Graphic3d_Vec2i &theSize, const OpenGl_ColorFormats &theColorFormats, const Standard_Integer theDepthFormat, const Standard_Integer theNbSamples=0)
	Initialize FBO for rendering into single/multiple color buffer and depth textures.

Standard_Boolean	InitLazy (const Handle< OpenGl_Context > &theGlCtx, const Graphic3d_Vec2i &theViewportSize, const Standard_Integer theColorFormat, const Standard_Integer theDepthFormat, const Standard_Integer theNbSamples=0)
	(Re-)initialize FBO with specified dimensions.

Standard_Boolean	InitLazy (const Handle< OpenGl_Context > &theGlCtx, const Graphic3d_Vec2i &theViewportSize, const OpenGl_ColorFormats &theColorFormats, const Standard_Integer theDepthFormat, const Standard_Integer theNbSamples=0)
	(Re-)initialize FBO with specified dimensions.

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

Standard_Boolean	InitRenderBuffer (const Handle< OpenGl_Context > &theGlCtx, const Graphic3d_Vec2i &theSize, const OpenGl_ColorFormats &theColorFormats, const Standard_Integer theDepthFormat, const Standard_Integer theNbSamples=0)
	(Re-)initialize FBO with specified dimensions. The Render Buffer Objects will be used for Color, Depth and Stencil attachments (as opposite to textures).

Standard_Boolean	InitWithRB (const Handle< OpenGl_Context > &theGlCtx, const Graphic3d_Vec2i &theSize, const Standard_Integer theColorFormat, const Standard_Integer theDepthFormat, const unsigned int theColorRBufferFromWindow)
	(Re-)initialize FBO with specified dimensions. The Render Buffer Objects will be used for Color, Depth and Stencil attachments (as opposite to textures).

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

Standard_Boolean	InitWrapper (const Handle< OpenGl_Context > &theGlContext, const NCollection_Sequence< Handle< OpenGl_Texture > > &theColorTextures, const Handle< OpenGl_Texture > &theDepthTexture=Handle< OpenGl_Texture >())
	Wrap existing color textures.

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

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

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

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

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

const Handle< OpenGl_Texture > &	ColorTexture (const Standard_Integer theColorBufferIndex=0) const
	Returns the color texture for the given color buffer index.

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

bool	IsColorRenderBuffer () const
	Returns TRUE if color Render Buffer is defined.

unsigned int	ColorRenderBuffer () const
	Returns the color Render Buffer.

bool	IsDepthStencilRenderBuffer () const
	Returns TRUE if depth Render Buffer is defined.

unsigned int	DepthStencilRenderBuffer () const
	Returns the depth Render Buffer.

virtual Standard_Size	EstimatedDataSize () const override
	Returns estimated GPU memory usage for holding data without considering overheads and allocation alignment rules.

Standard_Boolean	initRenderBuffer (const Handle< OpenGl_Context > &theGlCtx, const Graphic3d_Vec2i &theSize, const OpenGl_ColorFormats &theColorFormats, const Standard_Integer theDepthFormat, const Standard_Integer theNbSamples, const unsigned int theColorRBufferFromWindow)
	(Re-)initialize FBO with specified dimensions. The Render Buffer Objects will be used for Color, Depth and Stencil attachments (as opposite to textures).

bool	Init (const Handle< OpenGl_Context > &theGlCtx, const Standard_Integer theSizeX, const Standard_Integer theSizeY, const OpenGl_ColorFormats &theColorFormats, const Handle< OpenGl_Texture > &theDepthStencilTexture, const Standard_Integer theNbSamples=0)
	Initialize FBO for rendering into single/multiple color buffer and depth textures.

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

bool	Init (const Handle< OpenGl_Context > &theGlCtx, const Standard_Integer theSizeX, const Standard_Integer theSizeY, const OpenGl_ColorFormats &theColorFormats, const Standard_Integer theDepthFormat, const Standard_Integer theNbSamples=0)
	Initialize FBO for rendering into single/multiple color buffer and depth textures.

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

bool	InitLazy (const Handle< OpenGl_Context > &theGlCtx, const Standard_Integer theViewportSizeX, const Standard_Integer theViewportSizeY, const OpenGl_ColorFormats &theColorFormats, const Standard_Integer theDepthFormat, const Standard_Integer theNbSamples=0)
	(Re-)initialize FBO with specified dimensions.

bool	InitWithRB (const Handle< OpenGl_Context > &theGlCtx, const Standard_Integer theSizeX, const Standard_Integer theSizeY, const Standard_Integer theColorFormat, const Standard_Integer theDepthFormat, const unsigned int 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).

Public Member Functions inherited from OpenGl_NamedResource
	OpenGl_NamedResource (const TCollection_AsciiString &theId)
	Empty constructor.

const TCollection_AsciiString &	ResourceId () const
	Return resource name.

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

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

virtual void	DumpJson (Standard_OStream &theOStream, Standard_Integer theDepth=-1) const
	Dumps the content of me into the stream.

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

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

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

virtual	~Standard_Transient ()
	Destructor must be virtual.

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

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

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

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.

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.

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.

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

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

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

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

Protected Member Functions
Standard_Boolean	Init (const Handle< OpenGl_Context > &theGlCtx, const Graphic3d_Vec2i &theSize, const OpenGl_ColorFormats &theColorFormats, const Handle< OpenGl_Texture > &theDepthStencilTexture, const Standard_Integer theNbSamples=0)
	Initialize FBO for rendering into single/multiple color buffer and depth textures.

Standard_Boolean	Init (const Handle< OpenGl_Context > &theGlCtx, const Graphic3d_Vec2i &theSize, const Standard_Integer theColorFormat, const Standard_Integer theDepthFormat, const Standard_Integer theNbSamples=0)
	Initialize FBO for rendering into textures.

Standard_Boolean	Init (const Handle< OpenGl_Context > &theGlCtx, const Graphic3d_Vec2i &theSize, const OpenGl_ColorFormats &theColorFormats, const Standard_Integer theDepthFormat, const Standard_Integer theNbSamples=0)
	Initialize FBO for rendering into single/multiple color buffer and depth textures.

bool	Init (const Handle< OpenGl_Context > &theGlCtx, const Standard_Integer theSizeX, const Standard_Integer theSizeY, const OpenGl_ColorFormats &theColorFormats, const Handle< OpenGl_Texture > &theDepthStencilTexture, const Standard_Integer theNbSamples=0)
	Initialize FBO for rendering into single/multiple color buffer and depth textures.

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

bool	Init (const Handle< OpenGl_Context > &theGlCtx, const Standard_Integer theSizeX, const Standard_Integer theSizeY, const OpenGl_ColorFormats &theColorFormats, const Standard_Integer theDepthFormat, const Standard_Integer theNbSamples=0)
	Initialize FBO for rendering into single/multiple color buffer and depth textures.

Protected Member Functions inherited from OpenGl_FrameBuffer
Standard_Boolean	isValidFrameBuffer () const

Protected Attributes
IDirect3DSurface9 *	myD3dSurf
	D3D surface.

void *	myD3dSurfShare
	D3D surface share handle in WDDM.

void *	myGlD3dDevice
	WGL/D3D device handle.

void *	myGlD3dSurf
	WGL/D3D surface handle.

Standard_Integer	myLockCount
	locking counter

Standard_Boolean	myD3dFallback
	indicates that FBO has been initialized without WGL/D3D interop

Standard_Boolean	myIsSRGBReady
	indicates that color buffer is sRGB ready

Protected Attributes inherited from OpenGl_FrameBuffer
Standard_Integer	myInitVPSizeX
	viewport width specified during initialization (kept even on failure)

Standard_Integer	myInitVPSizeY
	viewport height specified during initialization (kept even on failure)

Standard_Integer	myVPSizeX
	viewport width (should be <= texture width)

Standard_Integer	myVPSizeY
	viewport height (should be <= texture height)

Standard_Integer	myNbSamples
	number of MSAA samples

OpenGl_ColorFormats	myColorFormats
	sized format for color texture, GL_RGBA8 by default

Standard_Integer	myDepthFormat
	sized format for depth-stencil texture, GL_DEPTH24_STENCIL8 by default

unsigned int	myGlFBufferId
	FBO object ID.

unsigned int	myGlColorRBufferId
	color Render Buffer object (alternative to myColorTexture)

unsigned int	myGlDepthRBufferId
	depth-stencil Render Buffer object (alternative to myDepthStencilTexture)

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

bool	myIsOwnColor
	flag indicating that color textures should be deallocated by this class

bool	myIsOwnDepth
	flag indicating that depth texture should be deallocated by this class

OpenGl_TextureArray	myColorTextures
	color texture objects

Handle< OpenGl_Texture >	myDepthStencilTexture
	depth-stencil texture object

Protected Attributes inherited from OpenGl_NamedResource
TCollection_AsciiString	myResourceId
	resource name

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

Static Public Member Functions inherited from OpenGl_FrameBuffer
static Standard_Boolean	BufferDump (const Handle< OpenGl_Context > &theGlCtx, const Handle< OpenGl_FrameBuffer > &theFbo, Image_PixMap &theImage, Graphic3d_BufferType theBufferType)
	Dump content into image.

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

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

Static Public Attributes inherited from OpenGl_FrameBuffer
static const unsigned int	NO_FRAMEBUFFER = 0
	Helpful constants.

static const unsigned int	NO_RENDERBUFFER = 0

Protected Types inherited from OpenGl_FrameBuffer
typedef NCollection_Vector< Handle< OpenGl_Texture > >	OpenGl_TextureArray

Detailed Description

Implements bridge FBO for direct rendering to Direct3D surfaces.

Constructor & Destructor Documentation

◆ D3DHost_FrameBuffer()

D3DHost_FrameBuffer::D3DHost_FrameBuffer ( )

Empty constructor.

◆ ~D3DHost_FrameBuffer()

D3DHost_FrameBuffer::~D3DHost_FrameBuffer ( )

Destructor, should be called after Release().

Member Function Documentation

◆ BindBuffer()

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.

◆ D3dColorSurface()

IDirect3DSurface9 * D3DHost_FrameBuffer::D3dColorSurface ( )

inline

Returns D3D surface used as color buffer.

◆ D3dColorSurfaceShare()

void * D3DHost_FrameBuffer::D3dColorSurfaceShare ( )

inline

Returns WDDM handle for D3D color surface.

◆ D3dFallback()

Standard_Boolean D3DHost_FrameBuffer::D3dFallback ( ) const

inline

Returns TRUE if FBO has been initialized without WGL/D3D interop.

◆ Init() [1/7]

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 or in fallback mode. Color pixel format is always GL_RGBA8/D3DFMT_X8R8G8B8, no MSAA; depth-stencil pixel format is GL_DEPTH24_STENCIL8.

Parameters

theGlCtx	currently bound OpenGL context
theD3DDevice	d3d9 device
theIsD3dEx	d3d9 extended flag (for creating shared texture resource)
theSizeX	texture width
theSizeY	texture height

Returns: true on success

◆ Init() [2/7]

Standard_Boolean OpenGl_FrameBuffer::Init	(	const Handle< OpenGl_Context > &	theGlCtx,
		const Graphic3d_Vec2i &	theSize,
		const OpenGl_ColorFormats &	theColorFormats,
		const Handle< OpenGl_Texture > &	theDepthStencilTexture,
		const Standard_Integer	theNbSamples = `0`
	)

protected

Initialize FBO for rendering into single/multiple color buffer and depth textures.

Parameters

theGlCtx	currently bound OpenGL context
theSize	texture width x height
theColorFormats	list of color texture sized format (0 means no color attachment), e.g. GL_RGBA8
theDepthStencilTexture	depth-stencil texture
theNbSamples	MSAA number of samples (0 means normal texture)

Returns: true on success

◆ Init() [3/7]

Standard_Boolean OpenGl_FrameBuffer::Init	(	const Handle< OpenGl_Context > &	theGlCtx,
		const Graphic3d_Vec2i &	theSize,
		const OpenGl_ColorFormats &	theColorFormats,
		const Standard_Integer	theDepthFormat,
		const Standard_Integer	theNbSamples = `0`
	)

protected

Initialize FBO for rendering into single/multiple color buffer and depth textures.

Parameters

theGlCtx	currently bound OpenGL context
theSize	texture width x height
theColorFormats	list of color texture sized format (0 means no color attachment), e.g. GL_RGBA8
theDepthFormat	depth-stencil texture sized format (0 means no depth attachment), e.g. GL_DEPTH24_STENCIL8
theNbSamples	MSAA number of samples (0 means normal texture)

Returns: true on success

◆ Init() [4/7]

Standard_Boolean OpenGl_FrameBuffer::Init	(	const Handle< OpenGl_Context > &	theGlCtx,
		const Graphic3d_Vec2i &	theSize,
		const Standard_Integer	theColorFormat,
		const Standard_Integer	theDepthFormat,
		const Standard_Integer	theNbSamples = `0`
	)

protected

Initialize FBO for rendering into textures.

Parameters

theGlCtx	currently bound OpenGL context
theSize	texture width x height
theColorFormat	color texture sized format (0 means no color attachment), e.g. GL_RGBA8
theDepthFormat	depth-stencil texture sized format (0 means no depth attachment), e.g. GL_DEPTH24_STENCIL8
theNbSamples	MSAA number of samples (0 means normal texture)

Returns: true on success

◆ Init() [5/7]

bool OpenGl_FrameBuffer::Init	(	const Handle< OpenGl_Context > &	theGlCtx,
		const Standard_Integer	theSizeX,
		const Standard_Integer	theSizeY,
		const OpenGl_ColorFormats &	theColorFormats,
		const Handle< OpenGl_Texture > &	theDepthStencilTexture,
		const Standard_Integer	theNbSamples = `0`
	)

inlineprotected

Initialize FBO for rendering into single/multiple color buffer and depth textures.

Deprecated:: ("Obsolete method, use Init() taking Graphic3d_Vec2i")

◆ Init() [6/7]

bool OpenGl_FrameBuffer::Init	(	const Handle< OpenGl_Context > &	theGlCtx,
		const Standard_Integer	theSizeX,
		const Standard_Integer	theSizeY,
		const OpenGl_ColorFormats &	theColorFormats,
		const Standard_Integer	theDepthFormat,
		const Standard_Integer	theNbSamples = `0`
	)

inlineprotected

Initialize FBO for rendering into single/multiple color buffer and depth textures.

Deprecated:: ("Obsolete method, use Init() taking Graphic3d_Vec2i")

◆ Init() [7/7]

bool OpenGl_FrameBuffer::Init	(	const Handle< OpenGl_Context > &	theGlCtx,
		const Standard_Integer	theSizeX,
		const Standard_Integer	theSizeY,
		const Standard_Integer	theColorFormat,
		const Standard_Integer	theDepthFormat,
		const Standard_Integer	theNbSamples = `0`
	)

inlineprotected

Initialize FBO for rendering into textures.

Deprecated:: ("Obsolete method, use Init() taking Graphic3d_Vec2i")

◆ InitD3dFallback()

Standard_Boolean D3DHost_FrameBuffer::InitD3dFallback	(	const Handle< OpenGl_Context > &	theCtx,
		IDirect3DDevice9 *	theD3DDevice,
		const Standard_Boolean	theIsD3dEx,
		const Standard_Integer	theSizeX,
		const Standard_Integer	theSizeY,
		const Standard_Integer	theDepthFormat
	)

Initializes OpenGL FBO + Direct3D surface for copying memory using fallback. Color pixel format is always GL_RGBA8/D3DFMT_X8R8G8B8, no MSAA.

Parameters

theGlCtx	currently bound OpenGL context
theD3DDevice	d3d9 device
theIsD3dEx	d3d9 extended flag (for creating shared texture resource)
theSizeX	texture width
theSizeY	texture height
theDepthFormat	depth-stencil texture sized format (0 means no depth attachment), e.g. GL_DEPTH24_STENCIL8

Returns: true on success

◆ InitD3dInterop()

Standard_Boolean D3DHost_FrameBuffer::InitD3dInterop	(	const Handle< OpenGl_Context > &	theCtx,
		IDirect3DDevice9 *	theD3DDevice,
		const Standard_Boolean	theIsD3dEx,
		const Standard_Integer	theSizeX,
		const Standard_Integer	theSizeY,
		const Standard_Integer	theDepthFormat
	)

Initializes OpenGL FBO for Direct3D interoperability. Color pixel format is always GL_RGBA8/D3DFMT_X8R8G8B8, no MSAA.

Parameters

theGlCtx	currently bound OpenGL context
theD3DDevice	d3d9 device
theIsD3dEx	d3d9 extended flag (for creating shared texture resource)
theSizeX	texture width
theSizeY	texture height
theDepthFormat	depth-stencil texture sized format (0 means no depth attachment), e.g. GL_DEPTH24_STENCIL8

Returns: true on success

◆ IsSRGBReady()

Standard_Boolean D3DHost_FrameBuffer::IsSRGBReady ( ) const

inline

Returns TRUE if color buffer is sRGB ready; FALSE by default. Requires D3DSAMP_SRGBTEXTURE sampler parameter being set on D3D level for rendering D3D surface.

◆ LockSurface()

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

virtual

Acquires D3D resource for OpenGL usage.

◆ registerD3dBuffer()

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

Binds Direct3D color buffer to OpenGL texture.

◆ Release()

virtual void D3DHost_FrameBuffer::Release ( OpenGl_Context * theCtx )

overridevirtual

Releases D3D and OpenGL resources.

Reimplemented from OpenGl_FrameBuffer.

◆ SetSRGBReady()

void D3DHost_FrameBuffer::SetSRGBReady ( Standard_Boolean theIsReady )

inline

Set if color buffer is sRGB ready.

◆ UnlockSurface()

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

virtual

Releases D3D resource.

Field Documentation

◆ myD3dFallback

Standard_Boolean D3DHost_FrameBuffer::myD3dFallback

protected

indicates that FBO has been initialized without WGL/D3D interop

◆ myD3dSurf

IDirect3DSurface9* D3DHost_FrameBuffer::myD3dSurf

protected

D3D surface.

◆ myD3dSurfShare

void* D3DHost_FrameBuffer::myD3dSurfShare

protected

D3D surface share handle in WDDM.

◆ myGlD3dDevice

void* D3DHost_FrameBuffer::myGlD3dDevice

protected

WGL/D3D device handle.

◆ myGlD3dSurf

void* D3DHost_FrameBuffer::myGlD3dSurf

protected

WGL/D3D surface handle.

◆ myIsSRGBReady

Standard_Boolean D3DHost_FrameBuffer::myIsSRGBReady

protected

indicates that color buffer is sRGB ready

◆ myLockCount

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 Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ D3DHost_FrameBuffer()

◆ ~D3DHost_FrameBuffer()

Member Function Documentation

◆ BindBuffer()

◆ D3dColorSurface()

◆ D3dColorSurfaceShare()

◆ D3dFallback()

◆ Init() [1/7]

◆ Init() [2/7]

◆ Init() [3/7]

◆ Init() [4/7]

◆ Init() [5/7]

◆ Init() [6/7]

◆ Init() [7/7]

◆ InitD3dFallback()

◆ InitD3dInterop()

◆ IsSRGBReady()

◆ LockSurface()

◆ registerD3dBuffer()

◆ Release()

◆ SetSRGBReady()

◆ UnlockSurface()

Field Documentation

◆ myD3dFallback

◆ myD3dSurf

◆ myD3dSurfShare

◆ myGlD3dDevice

◆ myGlD3dSurf

◆ myIsSRGBReady

◆ myLockCount