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vtkFrameBufferObject Class Reference

internal class which encapsulates OpenGL frame buffer object. Not to be used directly. More...

#include <vtkFrameBufferObject.h>

Inheritance diagram for vtkFrameBufferObject:
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Collaboration diagram for vtkFrameBufferObject:
[legend]

Public Types

typedef vtkObject Superclass
 
typedef vtkObject Superclass
 
- Public Types inherited from vtkObject
typedef vtkObjectBase Superclass
 

Public Member Functions

virtual int IsA (const char *type)
 
vtkFrameBufferObjectNewInstance () const
 
void PrintSelf (ostream &os, vtkIndent indent)
 
void RenderQuad (int minX, int maxX, int minY, int maxY)
 
void Bind ()
 
void UnBind ()
 
void SetActiveBuffers (int numbuffers, unsigned int indices[])
 
vtkTextureObjectGetColorBuffer (unsigned int index)
 
void RemoveColorBuffer (unsigned int index)
 
void RemoveAllColorBuffers ()
 
unsigned int GetMaximumNumberOfActiveTargets ()
 
unsigned int GetMaximumNumberOfRenderTargets ()
 
int CheckFrameBufferStatus (unsigned int mode)
 
virtual int IsA (const char *type)
 
vtkFrameBufferObjectNewInstance () const
 
void PrintSelf (ostream &os, vtkIndent indent)
 
void Bind ()
 
void UnBind ()
 
void SetActiveBuffers (int numbuffers, unsigned int indices[])
 
vtkTextureObjectGetColorBuffer (unsigned int index)
 
void RemoveColorBuffer (unsigned int index)
 
void RemoveAllColorBuffers ()
 
unsigned int GetMaximumNumberOfActiveTargets ()
 
unsigned int GetMaximumNumberOfRenderTargets ()
 
int CheckFrameBufferStatus (unsigned int mode)
 
void SetContext (vtkRenderWindow *context)
 
vtkRenderWindowGetContext ()
 
bool Start (int width, int height, bool shaderSupportsTextureInt)
 
bool StartNonOrtho (int width, int height, bool shaderSupportsTextureInt)
 
void SetActiveBuffer (unsigned int index)
 
void SetColorBuffer (unsigned int index, vtkTextureObject *texture, unsigned int zslice=0)
 
void SetDepthBuffer (vtkTextureObject *depthTexture)
 
void RemoveDepthBuffer ()
 
virtual void SetDepthBufferNeeded (bool)
 
virtual bool GetDepthBufferNeeded ()
 
void SetNumberOfRenderTargets (unsigned int)
 
virtual unsigned int GetNumberOfRenderTargets ()
 
virtual intGetLastSize ()
 
virtual void GetLastSize (int &, int &)
 
virtual void GetLastSize (int[2])
 
void SetContext (vtkOpenGLRenderWindow *context)
 
vtkOpenGLRenderWindowGetContext ()
 
bool Start (int width, int height, bool shaderSupportsTextureInt)
 
bool StartNonOrtho (int width, int height, bool shaderSupportsTextureInt)
 
void RenderQuad (int minX, int maxX, int minY, int maxY, vtkShaderProgram *program, vtkOpenGLVertexArrayObject *vao)
 
void SetActiveBuffer (unsigned int index)
 
void SetColorBuffer (unsigned int index, vtkTextureObject *texture, unsigned int zslice=0)
 
void SetDepthBuffer (vtkTextureObject *depthTexture)
 
void RemoveDepthBuffer ()
 
virtual void SetDepthBufferNeeded (bool)
 
virtual bool GetDepthBufferNeeded ()
 
void SetNumberOfRenderTargets (unsigned int)
 
virtual unsigned int GetNumberOfRenderTargets ()
 
virtual intGetLastSize ()
 
virtual void GetLastSize (int &, int &)
 
virtual void GetLastSize (int[2])
 
- Public Member Functions inherited from vtkObject
vtkObjectNewInstance () const
 
virtual void DebugOn ()
 
virtual void DebugOff ()
 
bool GetDebug ()
 
void SetDebug (bool debugFlag)
 
virtual void Modified ()
 
virtual unsigned long GetMTime ()
 
unsigned long AddObserver (unsigned long event, vtkCommand *, float priority=0.0f)
 
unsigned long AddObserver (const char *event, vtkCommand *, float priority=0.0f)
 
vtkCommandGetCommand (unsigned long tag)
 
void RemoveObserver (vtkCommand *)
 
void RemoveObservers (unsigned long event, vtkCommand *)
 
void RemoveObservers (const char *event, vtkCommand *)
 
int HasObserver (unsigned long event, vtkCommand *)
 
int HasObserver (const char *event, vtkCommand *)
 
void RemoveObserver (unsigned long tag)
 
void RemoveObservers (unsigned long event)
 
void RemoveObservers (const char *event)
 
void RemoveAllObservers ()
 
int HasObserver (unsigned long event)
 
int HasObserver (const char *event)
 
template<class U , class T >
unsigned long AddObserver (unsigned long event, U observer, void(T::*callback)(), float priority=0.0f)
 
template<class U , class T >
unsigned long AddObserver (unsigned long event, U observer, void(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f)
 
template<class U , class T >
unsigned long AddObserver (unsigned long event, U observer, bool(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f)
 
int InvokeEvent (unsigned long event, void *callData)
 
int InvokeEvent (const char *event, void *callData)
 
int InvokeEvent (unsigned long event)
 
int InvokeEvent (const char *event)
 
- Public Member Functions inherited from vtkObjectBase
const char * GetClassName () const
 
virtual void Delete ()
 
virtual void FastDelete ()
 
void Print (ostream &os)
 
virtual void Register (vtkObjectBase *o)
 
virtual void UnRegister (vtkObjectBase *o)
 
void SetReferenceCount (int)
 
void PrintRevisions (ostream &)
 
virtual void PrintHeader (ostream &os, vtkIndent indent)
 
virtual void PrintTrailer (ostream &os, vtkIndent indent)
 
int GetReferenceCount ()
 

Static Public Member Functions

static vtkFrameBufferObjectNew ()
 
static int IsTypeOf (const char *type)
 
static vtkFrameBufferObjectSafeDownCast (vtkObjectBase *o)
 
static bool IsSupported (vtkRenderWindow *renWin)
 
static vtkFrameBufferObjectNew ()
 
static int IsTypeOf (const char *type)
 
static vtkFrameBufferObjectSafeDownCast (vtkObjectBase *o)
 
static bool IsSupported (vtkOpenGLRenderWindow *renWin)
 
- Static Public Member Functions inherited from vtkObject
static int IsTypeOf (const char *type)
 
static vtkObjectSafeDownCast (vtkObjectBase *o)
 
static vtkObjectNew ()
 
static void BreakOnError ()
 
static void SetGlobalWarningDisplay (int val)
 
static void GlobalWarningDisplayOn ()
 
static void GlobalWarningDisplayOff ()
 
static int GetGlobalWarningDisplay ()
 
- Static Public Member Functions inherited from vtkObjectBase
static int IsTypeOf (const char *name)
 
static vtkObjectBaseNew ()
 

Protected Member Functions

virtual vtkObjectBaseNewInstanceInternal () const
 
void CreateFBO ()
 
void DestroyFBO ()
 
void CreateDepthBuffer (int width, int height, unsigned int mode)
 
void CreateColorBuffers (int width, int height, unsigned int mode, bool shaderSupportsTextureInt)
 
void DestroyDepthBuffer ()
 
void DestroyColorBuffers ()
 
void ActivateBuffers ()
 
void DisplayFrameBufferAttachments ()
 
void DisplayFrameBufferAttachment (unsigned int uattachment)
 
void DisplayDrawBuffers ()
 
void DisplayReadBuffer ()
 
void DisplayBuffer (int value)
 
 vtkFrameBufferObject ()
 
 ~vtkFrameBufferObject ()
 
virtual vtkObjectBaseNewInstanceInternal () const
 
void CreateFBO ()
 
void DestroyFBO ()
 
void CreateDepthBuffer (int width, int height, unsigned int mode)
 
void CreateColorBuffers (int width, int height, unsigned int mode, bool shaderSupportsTextureInt)
 
void DestroyDepthBuffer ()
 
void DestroyColorBuffers ()
 
void ActivateBuffers ()
 
void DisplayFrameBufferAttachments ()
 
void DisplayFrameBufferAttachment (unsigned int uattachment)
 
void DisplayDrawBuffers ()
 
void DisplayReadBuffer ()
 
void DisplayBuffer (int value)
 
 vtkFrameBufferObject ()
 
 ~vtkFrameBufferObject ()
 
- Protected Member Functions inherited from vtkObject
 vtkObject ()
 
virtual ~vtkObject ()
 
virtual void RegisterInternal (vtkObjectBase *, int check)
 
virtual void UnRegisterInternal (vtkObjectBase *, int check)
 
void InternalGrabFocus (vtkCommand *mouseEvents, vtkCommand *keypressEvents=NULL)
 
void InternalReleaseFocus ()
 
- Protected Member Functions inherited from vtkObjectBase
 vtkObjectBase ()
 
virtual ~vtkObjectBase ()
 
virtual void CollectRevisions (ostream &)
 
virtual void ReportReferences (vtkGarbageCollector *)
 
 vtkObjectBase (const vtkObjectBase &)
 
void operator= (const vtkObjectBase &)
 

Static Protected Member Functions

static bool LoadRequiredExtensions (vtkRenderWindow *renWin)
 
static bool LoadRequiredExtensions (vtkOpenGLRenderWindow *renWin)
 

Protected Attributes

vtkWeakPointer< vtkRenderWindowContext
 
bool DepthBufferNeeded
 
bool ColorBuffersDirty
 
unsigned int FBOIndex
 
int PreviousFBOIndex
 
unsigned int DepthBuffer
 
unsigned int NumberOfRenderTargets
 
int LastSize [2]
 
std::vector< unsigned intUserZSlices
 
std::vector< vtkSmartPointer< vtkTextureObject > > UserColorBuffers
 
std::vector< vtkSmartPointer< vtkTextureObject > > ColorBuffers
 
std::vector< unsigned intActiveBuffers
 
vtkSmartPointer< vtkTextureObjectUserDepthBuffer
 
bool DepthBufferDirty
 
vtkWeakPointer< vtkOpenGLRenderWindowContext
 
- Protected Attributes inherited from vtkObject
bool Debug
 
vtkTimeStamp MTime
 
vtkSubjectHelper * SubjectHelper
 
- Protected Attributes inherited from vtkObjectBase
vtkAtomicInt32 ReferenceCount
 
vtkWeakPointerBase ** WeakPointers
 

Detailed Description

internal class which encapsulates OpenGL frame buffer object. Not to be used directly.

Encapsulates an OpenGL Frame Buffer Object. For use by vtkOpenGLFBORenderWindow, not to be used directly. Use vtkFrameBufferObject2 instead.

Warning
DON'T PLAY WITH IT YET.
See also
vtkFrameBufferObject2, vtkRenderbufferObject

Definition at line 46 of file vtkFrameBufferObject.h.

Member Typedef Documentation

Definition at line 50 of file vtkFrameBufferObject.h.

Definition at line 49 of file vtkFrameBufferObject.h.

Constructor & Destructor Documentation

vtkFrameBufferObject::vtkFrameBufferObject ( )
protected
vtkFrameBufferObject::~vtkFrameBufferObject ( )
protected
vtkFrameBufferObject::vtkFrameBufferObject ( )
protected
vtkFrameBufferObject::~vtkFrameBufferObject ( )
protected

Member Function Documentation

static vtkFrameBufferObject* vtkFrameBufferObject::New ( )
static
static int vtkFrameBufferObject::IsTypeOf ( const char *  type)
static
virtual int vtkFrameBufferObject::IsA ( const char *  name)
virtual

Return 1 if this class is the same type of (or a subclass of) the named class. Returns 0 otherwise. This method works in combination with vtkTypeMacro found in vtkSetGet.h.

Reimplemented from vtkObject.

static vtkFrameBufferObject* vtkFrameBufferObject::SafeDownCast ( vtkObjectBase o)
static
virtual vtkObjectBase* vtkFrameBufferObject::NewInstanceInternal ( ) const
protectedvirtual

Reimplemented from vtkObject.

vtkFrameBufferObject* vtkFrameBufferObject::NewInstance ( ) const
void vtkFrameBufferObject::PrintSelf ( ostream &  os,
vtkIndent  indent 
)
virtual

Methods invoked by print to print information about the object including superclasses. Typically not called by the user (use Print() instead) but used in the hierarchical print process to combine the output of several classes.

Reimplemented from vtkObject.

void vtkFrameBufferObject::SetContext ( vtkRenderWindow context)

Get/Set the context. Context must be a vtkOpenGLRenderWindow. This does not increase the reference count of the context to avoid reference loops. SetContext() may raise an error is the OpenGL context does not support the required OpenGL extensions.

vtkRenderWindow* vtkFrameBufferObject::GetContext ( )

Get/Set the context. Context must be a vtkOpenGLRenderWindow. This does not increase the reference count of the context to avoid reference loops. SetContext() may raise an error is the OpenGL context does not support the required OpenGL extensions.

bool vtkFrameBufferObject::Start ( int  width,
int  height,
bool  shaderSupportsTextureInt 
)

User must take care that width/height match the dimensions of the user defined texture attachments. This method makes the "active buffers" the buffers that will get drawn into by subsequent drawing calls. Note that this does not clear the render buffers i.e. no glClear() calls are made by either of these methods. It's up to the caller to clear the buffers if needed.

bool vtkFrameBufferObject::StartNonOrtho ( int  width,
int  height,
bool  shaderSupportsTextureInt 
)

User must take care that width/height match the dimensions of the user defined texture attachments. This method makes the "active buffers" the buffers that will get drawn into by subsequent drawing calls. Note that this does not clear the render buffers i.e. no glClear() calls are made by either of these methods. It's up to the caller to clear the buffers if needed.

void vtkFrameBufferObject::RenderQuad ( int  minX,
int  maxX,
int  minY,
int  maxY 
)

Renders a quad at the given location with pixel coordinates. This method is provided as a convenience, since we often render quads in a FBO.

Precondition
positive_minX: minX>=0
increasing_x: minX<=maxX
valid_maxX: maxX<LastSize[0]
positive_minY: minY>=0
increasing_y: minY<=maxY
valid_maxY: maxY<LastSize[1]
void vtkFrameBufferObject::Bind ( )

Make the draw frame buffer active (uses FRAMEBUFFER).

void vtkFrameBufferObject::UnBind ( )

Restore the previous draw framebuffer if saved, else bind the default buffer.

void vtkFrameBufferObject::SetActiveBuffer ( unsigned int  index)
inline

Choose the buffers to render into.

Definition at line 89 of file vtkFrameBufferObject.h.

void vtkFrameBufferObject::SetActiveBuffers ( int  numbuffers,
unsigned int  indices[] 
)

User provided color buffers are attached by index to color buffers. This command lets you select which attachments are written to. See set color buffer. This call overwrites what the previous list of active buffers.

void vtkFrameBufferObject::SetColorBuffer ( unsigned int  index,
vtkTextureObject texture,
unsigned int  zslice = 0 
)

Insert a color buffer into the list of available color buffers. 0 to NumberOfRenderTargets of these are attached to color attachments by index. See SetActiveBuffers to select them for writing. All user specified texture objects must match the FBO dimensions and must have been created by the time Start() gets called. If texture is a 3D texture, zslice identifies the zslice that will be attached to the color buffer. .SECTION Caveat Currently, 1D textures are not supported.

vtkTextureObject* vtkFrameBufferObject::GetColorBuffer ( unsigned int  index)
void vtkFrameBufferObject::RemoveColorBuffer ( unsigned int  index)
void vtkFrameBufferObject::RemoveAllColorBuffers ( )
void vtkFrameBufferObject::SetDepthBuffer ( vtkTextureObject depthTexture)

Set the texture to use as depth buffer.

void vtkFrameBufferObject::RemoveDepthBuffer ( )

Set the texture to use as depth buffer.

virtual void vtkFrameBufferObject::SetDepthBufferNeeded ( bool  )
virtual

If true, the frame buffer object will be initialized with a depth buffer. Initial value is true.

virtual bool vtkFrameBufferObject::GetDepthBufferNeeded ( )
virtual

If true, the frame buffer object will be initialized with a depth buffer. Initial value is true.

void vtkFrameBufferObject::SetNumberOfRenderTargets ( unsigned  int)

Set/Get the number of render targets to render into at once. Textures (user supplied or generated internally) are attached to color attachment 0 to NumberOfRenderTargets. You can use SetActiveBuffer to specify which of these are actually written to. If zero then all of the user provided color buffers are used.

virtual unsigned int vtkFrameBufferObject::GetNumberOfRenderTargets ( )
virtual

Set/Get the number of render targets to render into at once. Textures (user supplied or generated internally) are attached to color attachment 0 to NumberOfRenderTargets. You can use SetActiveBuffer to specify which of these are actually written to. If zero then all of the user provided color buffers are used.

unsigned int vtkFrameBufferObject::GetMaximumNumberOfActiveTargets ( )

Returns the maximum number of targets that can be rendered to at one time. This limits the active targets set by SetActiveTargets(). The return value is valid only if GetContext is non-null.

unsigned int vtkFrameBufferObject::GetMaximumNumberOfRenderTargets ( )

Returns the maximum number of render targets available. This limits the available attachement points for SetColorAttachment(). The return value is valid only if GetContext is non-null.

virtual int* vtkFrameBufferObject::GetLastSize ( )
virtual

Dimensions in pixels of the framebuffer.

virtual void vtkFrameBufferObject::GetLastSize ( int ,
int  
)
virtual

Dimensions in pixels of the framebuffer.

virtual void vtkFrameBufferObject::GetLastSize ( int  [2])
virtual

Dimensions in pixels of the framebuffer.

static bool vtkFrameBufferObject::IsSupported ( vtkRenderWindow renWin)
static

Returns if the context supports the required extensions. Extension will be loaded when the conetxt is set.

int vtkFrameBufferObject::CheckFrameBufferStatus ( unsigned int  mode)

Validate the current FBO configuration (attachments, formats, etc) prints detected errors to vtkErrorMacro.

static bool vtkFrameBufferObject::LoadRequiredExtensions ( vtkRenderWindow renWin)
staticprotected

Load all necessary extensions.

void vtkFrameBufferObject::CreateFBO ( )
protected
void vtkFrameBufferObject::DestroyFBO ( )
protected
void vtkFrameBufferObject::CreateDepthBuffer ( int  width,
int  height,
unsigned int  mode 
)
protected
void vtkFrameBufferObject::CreateColorBuffers ( int  width,
int  height,
unsigned int  mode,
bool  shaderSupportsTextureInt 
)
protected
void vtkFrameBufferObject::DestroyDepthBuffer ( )
protected
void vtkFrameBufferObject::DestroyColorBuffers ( )
protected
void vtkFrameBufferObject::ActivateBuffers ( )
protected
void vtkFrameBufferObject::DisplayFrameBufferAttachments ( )
protected

Display all the attachments of the current framebuffer object.

void vtkFrameBufferObject::DisplayFrameBufferAttachment ( unsigned int  uattachment)
protected

Display a given attachment for the current framebuffer object.

void vtkFrameBufferObject::DisplayDrawBuffers ( )
protected

Display the draw buffers.

void vtkFrameBufferObject::DisplayReadBuffer ( )
protected

Display the read buffer.

void vtkFrameBufferObject::DisplayBuffer ( int  value)
protected

Display any buffer (convert value into string).

static vtkFrameBufferObject* vtkFrameBufferObject::New ( )
static
static int vtkFrameBufferObject::IsTypeOf ( const char *  type)
static
virtual int vtkFrameBufferObject::IsA ( const char *  name)
virtual

Return 1 if this class is the same type of (or a subclass of) the named class. Returns 0 otherwise. This method works in combination with vtkTypeMacro found in vtkSetGet.h.

Reimplemented from vtkObject.

static vtkFrameBufferObject* vtkFrameBufferObject::SafeDownCast ( vtkObjectBase o)
static
virtual vtkObjectBase* vtkFrameBufferObject::NewInstanceInternal ( ) const
protectedvirtual

Reimplemented from vtkObject.

vtkFrameBufferObject* vtkFrameBufferObject::NewInstance ( ) const
void vtkFrameBufferObject::PrintSelf ( ostream &  os,
vtkIndent  indent 
)
virtual

Methods invoked by print to print information about the object including superclasses. Typically not called by the user (use Print() instead) but used in the hierarchical print process to combine the output of several classes.

Reimplemented from vtkObject.

void vtkFrameBufferObject::SetContext ( vtkOpenGLRenderWindow context)

Get/Set the context. Context must be a vtkOpenGLRenderWindow. This does not increase the reference count of the context to avoid reference loops. SetContext() may raise an error is the OpenGL context does not support the required OpenGL extensions.

vtkOpenGLRenderWindow* vtkFrameBufferObject::GetContext ( )

Get/Set the context. Context must be a vtkOpenGLRenderWindow. This does not increase the reference count of the context to avoid reference loops. SetContext() may raise an error is the OpenGL context does not support the required OpenGL extensions.

bool vtkFrameBufferObject::Start ( int  width,
int  height,
bool  shaderSupportsTextureInt 
)

User must take care that width/height match the dimensions of the user defined texture attachments. This method makes the "active buffers" the buffers that will get drawn into by subsequent drawing calls. Note that this does not clear the render buffers i.e. no glClear() calls are made by either of these methods. It's up to the caller to clear the buffers if needed.

bool vtkFrameBufferObject::StartNonOrtho ( int  width,
int  height,
bool  shaderSupportsTextureInt 
)

User must take care that width/height match the dimensions of the user defined texture attachments. This method makes the "active buffers" the buffers that will get drawn into by subsequent drawing calls. Note that this does not clear the render buffers i.e. no glClear() calls are made by either of these methods. It's up to the caller to clear the buffers if needed.

void vtkFrameBufferObject::RenderQuad ( int  minX,
int  maxX,
int  minY,
int  maxY,
vtkShaderProgram program,
vtkOpenGLVertexArrayObject vao 
)

Renders a quad at the given location with pixel coordinates. This method is provided as a convenience, since we often render quads in a FBO.

Precondition
positive_minX: minX>=0
increasing_x: minX<=maxX
valid_maxX: maxX<LastSize[0]
positive_minY: minY>=0
increasing_y: minY<=maxY
valid_maxY: maxY<LastSize[1]
void vtkFrameBufferObject::Bind ( )

Make the draw frame buffer active (uses FRAMEBUFFER).

void vtkFrameBufferObject::UnBind ( )

Restore the previous draw framebuffer if saved, else bind the default buffer.

void vtkFrameBufferObject::SetActiveBuffer ( unsigned int  index)
inline

Choose the buffers to render into.

Definition at line 91 of file vtkFrameBufferObject.h.

void vtkFrameBufferObject::SetActiveBuffers ( int  numbuffers,
unsigned int  indices[] 
)

User provided color buffers are attached by index to color buffers. This command lets you select which attachments are written to. See set color buffer. This call overwrites what the previous list of active buffers.

void vtkFrameBufferObject::SetColorBuffer ( unsigned int  index,
vtkTextureObject texture,
unsigned int  zslice = 0 
)

Insert a color buffer into the list of available color buffers. 0 to NumberOfRenderTargets of these are attached to color attachments by index. See SetActiveBuffers to select them for writing. All user specified texture objects must match the FBO dimensions and must have been created by the time Start() gets called. If texture is a 3D texture, zslice identifies the zslice that will be attached to the color buffer. .SECTION Caveat Currently, 1D textures are not supported.

vtkTextureObject* vtkFrameBufferObject::GetColorBuffer ( unsigned int  index)
void vtkFrameBufferObject::RemoveColorBuffer ( unsigned int  index)
void vtkFrameBufferObject::RemoveAllColorBuffers ( )
void vtkFrameBufferObject::SetDepthBuffer ( vtkTextureObject depthTexture)

Set the texture to use as depth buffer.

void vtkFrameBufferObject::RemoveDepthBuffer ( )

Set the texture to use as depth buffer.

virtual void vtkFrameBufferObject::SetDepthBufferNeeded ( bool  )
virtual

If true, the frame buffer object will be initialized with a depth buffer. Initial value is true.

virtual bool vtkFrameBufferObject::GetDepthBufferNeeded ( )
virtual

If true, the frame buffer object will be initialized with a depth buffer. Initial value is true.

void vtkFrameBufferObject::SetNumberOfRenderTargets ( unsigned  int)

Set/Get the number of render targets to render into at once. Textures (user supplied or generated internally) are attached to color attachment 0 to NumberOfRenderTargets. You can use SetActiveBuffer to specify which of these are actually written to. If zero then all of the user provided color buffers are used.

virtual unsigned int vtkFrameBufferObject::GetNumberOfRenderTargets ( )
virtual

Set/Get the number of render targets to render into at once. Textures (user supplied or generated internally) are attached to color attachment 0 to NumberOfRenderTargets. You can use SetActiveBuffer to specify which of these are actually written to. If zero then all of the user provided color buffers are used.

unsigned int vtkFrameBufferObject::GetMaximumNumberOfActiveTargets ( )

Returns the maximum number of targets that can be rendered to at one time. This limits the active targets set by SetActiveTargets(). The return value is valid only if GetContext is non-null.

unsigned int vtkFrameBufferObject::GetMaximumNumberOfRenderTargets ( )

Returns the maximum number of render targets available. This limits the available attachement points for SetColorAttachment(). The return value is valid only if GetContext is non-null.

virtual int* vtkFrameBufferObject::GetLastSize ( )
virtual

Dimensions in pixels of the framebuffer.

virtual void vtkFrameBufferObject::GetLastSize ( int ,
int  
)
virtual

Dimensions in pixels of the framebuffer.

virtual void vtkFrameBufferObject::GetLastSize ( int  [2])
virtual

Dimensions in pixels of the framebuffer.

static bool vtkFrameBufferObject::IsSupported ( vtkOpenGLRenderWindow renWin)
static

Returns if the context supports the required extensions. Extension will be loaded when the conetxt is set.

int vtkFrameBufferObject::CheckFrameBufferStatus ( unsigned int  mode)

Validate the current FBO configuration (attachments, formats, etc) prints detected errors to vtkErrorMacro.

static bool vtkFrameBufferObject::LoadRequiredExtensions ( vtkOpenGLRenderWindow renWin)
staticprotected

Load all necessary extensions.

void vtkFrameBufferObject::CreateFBO ( )
protected
void vtkFrameBufferObject::DestroyFBO ( )
protected
void vtkFrameBufferObject::CreateDepthBuffer ( int  width,
int  height,
unsigned int  mode 
)
protected
void vtkFrameBufferObject::CreateColorBuffers ( int  width,
int  height,
unsigned int  mode,
bool  shaderSupportsTextureInt 
)
protected
void vtkFrameBufferObject::DestroyDepthBuffer ( )
protected
void vtkFrameBufferObject::DestroyColorBuffers ( )
protected
void vtkFrameBufferObject::ActivateBuffers ( )
protected
void vtkFrameBufferObject::DisplayFrameBufferAttachments ( )
protected

Display all the attachments of the current framebuffer object.

void vtkFrameBufferObject::DisplayFrameBufferAttachment ( unsigned int  uattachment)
protected

Display a given attachment for the current framebuffer object.

void vtkFrameBufferObject::DisplayDrawBuffers ( )
protected

Display the draw buffers.

void vtkFrameBufferObject::DisplayReadBuffer ( )
protected

Display the read buffer.

void vtkFrameBufferObject::DisplayBuffer ( int  value)
protected

Display any buffer (convert value into string).

Member Data Documentation

vtkWeakPointer<vtkRenderWindow> vtkFrameBufferObject::Context
protected

Definition at line 220 of file vtkFrameBufferObject.h.

bool vtkFrameBufferObject::DepthBufferNeeded
protected

Definition at line 222 of file vtkFrameBufferObject.h.

bool vtkFrameBufferObject::ColorBuffersDirty
protected

Definition at line 223 of file vtkFrameBufferObject.h.

unsigned int vtkFrameBufferObject::FBOIndex
protected

Definition at line 224 of file vtkFrameBufferObject.h.

int vtkFrameBufferObject::PreviousFBOIndex
protected

Definition at line 225 of file vtkFrameBufferObject.h.

unsigned int vtkFrameBufferObject::DepthBuffer
protected

Definition at line 226 of file vtkFrameBufferObject.h.

unsigned int vtkFrameBufferObject::NumberOfRenderTargets
protected

Definition at line 227 of file vtkFrameBufferObject.h.

int vtkFrameBufferObject::LastSize
protected

Definition at line 228 of file vtkFrameBufferObject.h.

std::vector< unsigned int > vtkFrameBufferObject::UserZSlices
protected

Definition at line 229 of file vtkFrameBufferObject.h.

std::vector< vtkSmartPointer< vtkTextureObject > > vtkFrameBufferObject::UserColorBuffers
protected

Definition at line 230 of file vtkFrameBufferObject.h.

std::vector< vtkSmartPointer< vtkTextureObject > > vtkFrameBufferObject::ColorBuffers
protected

Definition at line 231 of file vtkFrameBufferObject.h.

std::vector< unsigned int > vtkFrameBufferObject::ActiveBuffers
protected

Definition at line 232 of file vtkFrameBufferObject.h.

vtkSmartPointer< vtkTextureObject > vtkFrameBufferObject::UserDepthBuffer
protected

Definition at line 233 of file vtkFrameBufferObject.h.

bool vtkFrameBufferObject::DepthBufferDirty
protected

Definition at line 234 of file vtkFrameBufferObject.h.

vtkWeakPointer<vtkOpenGLRenderWindow> vtkFrameBufferObject::Context
protected

Definition at line 221 of file vtkFrameBufferObject.h.


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