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

#include <D3DHost_FrameBuffer.hxx>

Inheritance diagram for D3DHost_FrameBuffer:

[legend]

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.

bool	Init (const occ::handle< OpenGl_Context > &theCtx, IDirect3DDevice9 *theD3DDevice, const bool theIsD3dEx, const int theSizeX, const int 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.

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

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

bool	registerD3dBuffer (const occ::handle< OpenGl_Context > &theCtx)
	Binds Direct3D color buffer to OpenGL texture.

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

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

virtual void	UnlockSurface (const occ::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.

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

bool	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 (bool theIsReady)
	Set if color buffer is sRGB ready.

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

	~OpenGl_FrameBuffer () override
	Destructor.

void	Release (OpenGl_Context *theGlCtx) override
	Destroy object - will release GPU memory if any.

int	NbSamples () const
	Number of multisampling samples.

int	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.

NCollection_Vec2< int >	GetSize () const
	Return textures width x height.

int	GetSizeX () const
	Textures width.

int	GetSizeY () const
	Textures height.

NCollection_Vec2< int >	GetVPSize () const
	Return viewport width x height.

int	GetVPSizeX () const
	Viewport width.

int	GetVPSizeY () const
	Viewport height.

NCollection_Vec2< int >	GetInitVPSize () const
	Return viewport width x height.

int	GetInitVPSizeX () const
	Viewport width.

int	GetInitVPSizeY () const
	Viewport height.

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

bool	Init (const occ::handle< OpenGl_Context > &theGlCtx, const NCollection_Vec2< int > &theSize, const NCollection_DynamicArray< int > &theColorFormats, const occ::handle< OpenGl_Texture > &theDepthStencilTexture, const int theNbSamples=0)
	Initialize FBO for rendering into single/multiple color buffer and depth textures.

bool	Init (const occ::handle< OpenGl_Context > &theGlCtx, const NCollection_Vec2< int > &theSize, const int theColorFormat, const int theDepthFormat, const int theNbSamples=0)
	Initialize FBO for rendering into textures.

bool	Init (const occ::handle< OpenGl_Context > &theGlCtx, const NCollection_Vec2< int > &theSize, const NCollection_DynamicArray< int > &theColorFormats, const int theDepthFormat, const int theNbSamples=0)
	Initialize FBO for rendering into single/multiple color buffer and depth textures.

bool	InitLazy (const occ::handle< OpenGl_Context > &theGlCtx, const NCollection_Vec2< int > &theViewportSize, const int theColorFormat, const int theDepthFormat, const int theNbSamples=0)
	(Re-)initialize FBO with specified dimensions.

bool	InitLazy (const occ::handle< OpenGl_Context > &theGlCtx, const NCollection_Vec2< int > &theViewportSize, const NCollection_DynamicArray< int > &theColorFormats, const int theDepthFormat, const int theNbSamples=0)
	(Re-)initialize FBO with specified dimensions.

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

bool	InitRenderBuffer (const occ::handle< OpenGl_Context > &theGlCtx, const NCollection_Vec2< int > &theSize, const NCollection_DynamicArray< int > &theColorFormats, const int theDepthFormat, const int 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).

bool	InitWithRB (const occ::handle< OpenGl_Context > &theGlCtx, const NCollection_Vec2< int > &theSize, const int theColorFormat, const int 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).

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

bool	InitWrapper (const occ::handle< OpenGl_Context > &theGlContext, const NCollection_Sequence< occ::handle< OpenGl_Texture > > &theColorTextures, const occ::handle< OpenGl_Texture > &theDepthTexture=occ::handle< OpenGl_Texture >())
	Wrap existing color textures.

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

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

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

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

virtual void	UnbindBuffer (const occ::handle< OpenGl_Context > &theGlCtx)
	Unbind frame buffer.

const occ::handle< OpenGl_Texture > &	ColorTexture (const int theColorBufferIndex=0) const
	Returns the color texture for the given color buffer index.

const occ::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.

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

bool	initRenderBuffer (const occ::handle< OpenGl_Context > &theGlCtx, const NCollection_Vec2< int > &theSize, const NCollection_DynamicArray< int > &theColorFormats, const int theDepthFormat, const int 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 occ::handle< OpenGl_Context > &theGlCtx, const int theSizeX, const int theSizeY, const NCollection_DynamicArray< int > &theColorFormats, const occ::handle< OpenGl_Texture > &theDepthStencilTexture, const int theNbSamples=0)
	Initialize FBO for rendering into single/multiple color buffer and depth textures.

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

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

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

bool	InitLazy (const occ::handle< OpenGl_Context > &theGlCtx, const int theViewportSizeX, const int theViewportSizeY, const NCollection_DynamicArray< int > &theColorFormats, const int theDepthFormat, const int theNbSamples=0)
	(Re-)initialize FBO with specified dimensions.

bool	InitWithRB (const occ::handle< OpenGl_Context > &theGlCtx, const int theSizeX, const int theSizeY, const int theColorFormat, const int 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.

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

virtual void	DumpJson (Standard_OStream &theOStream, int 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 ()=default
	Destructor must be virtual.

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

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

bool	IsInstance (const char *const theTypeName) const
	Returns a true value if this is an instance of TypeName.

bool	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.

bool	IsKind (const char *const 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.

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

void	IncrementRefCounter () noexcept
	Increments the reference counter of this object. Uses relaxed memory ordering since incrementing only requires atomicity, not synchronization with other memory operations.

int	DecrementRefCounter () noexcept
	Decrements the reference counter of this object; returns the decremented value. Uses release ordering for the decrement to ensure all writes to the object are visible before the count reaches zero. An acquire fence is added only when the count reaches zero, ensuring proper synchronization before deletion. This is more efficient than using acq_rel for every decrement.

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

Protected Member Functions
bool	Init (const occ::handle< OpenGl_Context > &theGlCtx, const NCollection_Vec2< int > &theSize, const NCollection_DynamicArray< int > &theColorFormats, const occ::handle< OpenGl_Texture > &theDepthStencilTexture, const int theNbSamples=0)
	Initialize FBO for rendering into single/multiple color buffer and depth textures.

bool	Init (const occ::handle< OpenGl_Context > &theGlCtx, const NCollection_Vec2< int > &theSize, const int theColorFormat, const int theDepthFormat, const int theNbSamples=0)
	Initialize FBO for rendering into textures.

bool	Init (const occ::handle< OpenGl_Context > &theGlCtx, const NCollection_Vec2< int > &theSize, const NCollection_DynamicArray< int > &theColorFormats, const int theDepthFormat, const int theNbSamples=0)
	Initialize FBO for rendering into single/multiple color buffer and depth textures.

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

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

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

Protected Member Functions inherited from OpenGl_FrameBuffer
bool	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.

int	myLockCount
	locking counter

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

bool	myIsSRGBReady
	indicates that color buffer is sRGB ready

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

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

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

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

int	myNbSamples
	number of MSAA samples

NCollection_DynamicArray< int >	myColorFormats
	sized format for color texture, GL_RGBA8 by default

int	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

occ::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 bool	BufferDump (const occ::handle< OpenGl_Context > &theGlCtx, const occ::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_DynamicArray< occ::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 occ::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()

bool D3DHost_FrameBuffer::D3dFallback ( ) const

inline

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

◆ Init() [1/7]

bool D3DHost_FrameBuffer::Init	(	const occ::handle< OpenGl_Context > &	theCtx,
		IDirect3DDevice9 *	theD3DDevice,
		const bool	theIsD3dEx,
		const int	theSizeX,
		const int	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]

bool OpenGl_FrameBuffer::Init	(	const occ::handle< OpenGl_Context > &	theGlCtx,
		const int	theSizeX,
		const int	theSizeY,
		const int	theColorFormat,
		const int	theDepthFormat,
		const int	theNbSamples = 0 )

inlineprotected

Initialize FBO for rendering into textures.

Deprecated: ("Obsolete method, use Init() taking NCollection_Vec2<int>")

◆ Init() [3/7]

bool OpenGl_FrameBuffer::Init	(	const occ::handle< OpenGl_Context > &	theGlCtx,
		const int	theSizeX,
		const int	theSizeY,
		const NCollection_DynamicArray< int > &	theColorFormats,
		const int	theDepthFormat,
		const int	theNbSamples = 0 )

inlineprotected

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

Deprecated: ("Obsolete method, use Init() taking NCollection_Vec2<int>")

◆ Init() [4/7]

bool OpenGl_FrameBuffer::Init	(	const occ::handle< OpenGl_Context > &	theGlCtx,
		const int	theSizeX,
		const int	theSizeY,
		const NCollection_DynamicArray< int > &	theColorFormats,
		const occ::handle< OpenGl_Texture > &	theDepthStencilTexture,
		const int	theNbSamples = 0 )

inlineprotected

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

Deprecated: ("Obsolete method, use Init() taking NCollection_Vec2<int>")

◆ Init() [5/7]

bool OpenGl_FrameBuffer::Init	(	const occ::handle< OpenGl_Context > &	theGlCtx,
		const NCollection_Vec2< int > &	theSize,
		const int	theColorFormat,
		const int	theDepthFormat,
		const int	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() [6/7]

bool OpenGl_FrameBuffer::Init	(	const occ::handle< OpenGl_Context > &	theGlCtx,
		const NCollection_Vec2< int > &	theSize,
		const NCollection_DynamicArray< int > &	theColorFormats,
		const int	theDepthFormat,
		const int	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() [7/7]

bool OpenGl_FrameBuffer::Init	(	const occ::handle< OpenGl_Context > &	theGlCtx,
		const NCollection_Vec2< int > &	theSize,
		const NCollection_DynamicArray< int > &	theColorFormats,
		const occ::handle< OpenGl_Texture > &	theDepthStencilTexture,
		const int	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

◆ InitD3dFallback()

bool D3DHost_FrameBuffer::InitD3dFallback	(	const occ::handle< OpenGl_Context > &	theCtx,
		IDirect3DDevice9 *	theD3DDevice,
		const bool	theIsD3dEx,
		const int	theSizeX,
		const int	theSizeY,
		const int	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()

bool D3DHost_FrameBuffer::InitD3dInterop	(	const occ::handle< OpenGl_Context > &	theCtx,
		IDirect3DDevice9 *	theD3DDevice,
		const bool	theIsD3dEx,
		const int	theSizeX,
		const int	theSizeY,
		const int	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()

bool 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 occ::handle< OpenGl_Context > & theCtx )

virtual

Acquires D3D resource for OpenGL usage.

◆ registerD3dBuffer()

bool D3DHost_FrameBuffer::registerD3dBuffer ( const occ::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.

Implements OpenGl_Resource.

◆ SetSRGBReady()

void D3DHost_FrameBuffer::SetSRGBReady ( bool theIsReady )

inline

Set if color buffer is sRGB ready.

◆ UnlockSurface()

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

virtual

Releases D3D resource.

Field Documentation

◆ myD3dFallback

bool 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

bool D3DHost_FrameBuffer::myIsSRGBReady

protected

indicates that color buffer is sRGB ready

◆ myLockCount

int 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