VFramebufferObject Class Reference

#include <VFramebufferObject.h>

List of all members.

Public Member Functions
	VFramebufferObject (int width, int height, unsigned int texturetype)
	~VFramebufferObject ()
void	init ()
void	destroy ()
void	bind ()
void	unbind ()
unsigned int	getFboHandle ()
unsigned int	getTextureHandle ()
void	saveImage (std::string filename)
void	renderToFullScreen ()
void	renderToLowerRightQuad ()
void	renderToLowerLeftQuad ()
Static Public Member Functions
static void	checkFramebufferObjectStatus ()
static VProgram *	getRenderToScreenProgram ()
static bool	initialiseDevIl ()
Static Public Attributes
static bool	devIlInitialised = false
Private Member Functions
const int	getNextPowerOfTwo (const int number)
Private Attributes
unsigned int	m_FboHandle
unsigned int	m_TextureHandle
unsigned int	m_RenderBufferHandle
int	m_Width
int	m_Height
unsigned int	m_TextureType
Static Private Attributes
static VProgram	m_RenderToScreen
static bool	m_ProgramLoaded = false

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Detailed Description

class capsulating a simple framebufferobject for simple render - to textures

Definition at line 12 of file VFramebufferObject.h.

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Constructor & Destructor Documentation

VFramebufferObject::VFramebufferObject	(	int	width,
		int	height,
		unsigned int	texturetype
	)

constructor with given size

Definition at line 12 of file VFramebufferObject.cpp.

References getNextPowerOfTwo(), m_Height, and m_Width.

VFramebufferObject::~VFramebufferObject

(

)

[inline]

default destructor

Definition at line 38 of file VFramebufferObject.h.

References destroy().

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Member Function Documentation

void VFramebufferObject::checkFramebufferObjectStatus

(

)

[static]

static method for fbo errorchecking

Definition at line 27 of file VFramebufferObject.cpp.

Referenced by bind(), init(), and unbind().

VProgram * VFramebufferObject::getRenderToScreenProgram

(

)

[static]

Definition at line 54 of file VFramebufferObject.cpp.

References m_ProgramLoaded, and m_RenderToScreen.

Referenced by VImage::renderToLowerRightQuad().

bool VFramebufferObject::initialiseDevIl

(

)

[static]

method to initialise DevIl

Definition at line 38 of file VFramebufferObject.cpp.

Referenced by VImage::loadImage(), and saveImage().

void VFramebufferObject::init

(

)

inits the FBO

Definition at line 66 of file VFramebufferObject.cpp.

References checkFramebufferObjectStatus(), m_FboHandle, m_Height, m_ProgramLoaded, m_RenderBufferHandle, m_RenderToScreen, m_TextureHandle, m_TextureType, and m_Width.

Referenced by VTransferFunction::interpolateTransferPoints(), VTransferFunction2D::interpolateTransferTriangles(), QVolRendCanvas::mousePressEvent(), QVolRendCanvas::mouseReleaseEvent(), QVolRendCanvas::paintGL(), VVolumeRenderer::resize(), and QVolRendCanvas::resizeGL().

void VFramebufferObject::destroy

(

)

destroys the FBO

Definition at line 130 of file VFramebufferObject.cpp.

References m_FboHandle, and m_RenderBufferHandle.

Referenced by ~VFramebufferObject().

void VFramebufferObject::bind

(

)

binds the FBO

Definition at line 141 of file VFramebufferObject.cpp.

References checkFramebufferObjectStatus(), m_FboHandle, m_Height, m_RenderBufferHandle, m_TextureHandle, and m_Width.

Referenced by VVolumeRenderer::drawBackFaces(), VVolumeRenderer::drawFrontFaces(), VTransferFunction::interpolateTransferPoints(), VTransferFunction2D::interpolateTransferTriangles(), and QVolRendCanvas::paintGL().

void VFramebufferObject::unbind

(

)

unbinds the FBO

Definition at line 154 of file VFramebufferObject.cpp.

References checkFramebufferObjectStatus().

Referenced by VVolumeRenderer::drawBackFaces(), VVolumeRenderer::drawFrontFaces(), VTransferFunction::interpolateTransferPoints(), VTransferFunction2D::interpolateTransferTriangles(), and QVolRendCanvas::paintGL().

unsigned int VFramebufferObject::getFboHandle

(

)

[inline]

returns the handle to the Fbo

Returns:

unsigned int containing the handle

Definition at line 67 of file VFramebufferObject.h.

References m_FboHandle.

Referenced by VTransferFunction::interpolateTransferPoints(), and VTransferFunction2D::interpolateTransferTriangles().

unsigned int VFramebufferObject::getTextureHandle

(

)

[inline]

returns the handle to the Texture

Definition at line 75 of file VFramebufferObject.h.

References m_TextureHandle.

Referenced by VTransferFunction2D::getGLHandle(), VTransferFunction::getGLHandle(), VVolumeRenderer::setShaderWrapperCurvature(), VVolumeRenderer::setShaderWrapperDVR(), VVolumeRenderer::setShaderWrapperDVRbtf(), VVolumeRenderer::setShaderWrapperDVRbtftf(), VVolumeRenderer::setShaderWrapperDVRbtftf2d(), VVolumeRenderer::setShaderWrapperDVRCombMetal(), VVolumeRenderer::setShaderWrapperDVRCombMetal2f(), VVolumeRenderer::setShaderWrapperDVRCombMetalCont(), VVolumeRenderer::setShaderWrapperDVRCombMetalCont2f(), VVolumeRenderer::setShaderWrapperDVRCombMetalContShadow(), VVolumeRenderer::setShaderWrapperDVRCombMetalContShadow2f(), VVolumeRenderer::setShaderWrapperDVRCombMetalShadow(), VVolumeRenderer::setShaderWrapperDVRCombMetalShadow2f(), VVolumeRenderer::setShaderWrapperDVRCombPhong(), VVolumeRenderer::setShaderWrapperDVRCombPhongCont(), VVolumeRenderer::setShaderWrapperDVRCombPhongContShadow(), VVolumeRenderer::setShaderWrapperDVRCombPhongContShadowt2f(), VVolumeRenderer::setShaderWrapperDVRCombPhongContt2f(), VVolumeRenderer::setShaderWrapperDVRCombPhongShadow(), VVolumeRenderer::setShaderWrapperDVRCombPhongShadowt2f(), VVolumeRenderer::setShaderWrapperDVRCombPhongt2f(), VVolumeRenderer::setShaderWrapperDVRCombToon(), VVolumeRenderer::setShaderWrapperDVRCombToon2f(), VVolumeRenderer::setShaderWrapperDVRCombToonCont(), VVolumeRenderer::setShaderWrapperDVRCombToonCont2f(), VVolumeRenderer::setShaderWrapperDVRCombToonContShadow(), VVolumeRenderer::setShaderWrapperDVRCombToonContShadow2f(), VVolumeRenderer::setShaderWrapperDVRCombToonShadow(), VVolumeRenderer::setShaderWrapperDVRCombToonShadow2f(), VVolumeRenderer::setShaderWrapperDVRtf(), VVolumeRenderer::setShaderWrapperDVRtf2d(), VVolumeRenderer::setShaderWrapperMIP(), VVolumeRenderer::setShaderWrapperMIPtf(), and VVolumeRenderer::setShaderWrapperMIPtf2d().

void VFramebufferObject::saveImage

(

std::string

filename

)

saves the Current Image to Disc

Parameters:

filename

filename of Image

Definition at line 165 of file VFramebufferObject.cpp.

References devIlInitialised, initialiseDevIl(), m_Height, m_TextureHandle, and m_Width.

Referenced by QVolRendCanvas::saveImage().

void VFramebufferObject::renderToFullScreen

(

)

renders the FBO to Fullscreen

Definition at line 207 of file VFramebufferObject.cpp.

References VProgram::bind(), VProgram::getUniformLocation(), m_RenderToScreen, and VProgram::release().

Referenced by QVolRendCanvas::paintGL().

void VFramebufferObject::renderToLowerRightQuad

(

)

renders the FBO to a Lower Right Quad

Definition at line 269 of file VFramebufferObject.cpp.

References VProgram::bind(), VProgram::getUniformLocation(), m_RenderToScreen, and VProgram::release().

Referenced by VVolumeRenderer::drawBackFacesToSmallQuad(), and VTransferFunction2D::renderTest().

void VFramebufferObject::renderToLowerLeftQuad

(

)

renders the FBO to a Lower Left Quad

Definition at line 238 of file VFramebufferObject.cpp.

References VProgram::bind(), VProgram::getUniformLocation(), m_RenderToScreen, and VProgram::release().

Referenced by VVolumeRenderer::drawFrontFacesToSmallQuad().

const int VFramebufferObject::getNextPowerOfTwo

(

const int

number

)

[inline, private]

returns the next power of two value to a given number

Parameters:

number

number to computate power of 2

Returns:

the next power of two

Definition at line 108 of file VFramebufferObject.h.

Referenced by VFramebufferObject().

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Member Data Documentation

bool VFramebufferObject::devIlInitialised = false [static]

Bool Containing if DevIl is initialised

Definition at line 21 of file VFramebufferObject.h.

Referenced by VImage::loadImage(), and saveImage().

unsigned int VFramebufferObject::m_FboHandle [private]

Handle to FBO.

Definition at line 116 of file VFramebufferObject.h.

Referenced by bind(), destroy(), getFboHandle(), and init().

unsigned int VFramebufferObject::m_TextureHandle [private]

Handle to Texture.

Definition at line 119 of file VFramebufferObject.h.

Referenced by bind(), getTextureHandle(), init(), and saveImage().

unsigned int VFramebufferObject::m_RenderBufferHandle [private]

Handle to Renderbuffer.

Definition at line 120 of file VFramebufferObject.h.

Referenced by bind(), destroy(), and init().

int VFramebufferObject::m_Width [private]

Width of FBO.

Definition at line 121 of file VFramebufferObject.h.

Referenced by bind(), init(), saveImage(), and VFramebufferObject().

int VFramebufferObject::m_Height [private]

Height of FBO.

Definition at line 122 of file VFramebufferObject.h.

Referenced by bind(), init(), saveImage(), and VFramebufferObject().

unsigned int VFramebufferObject::m_TextureType [private]

Definition at line 123 of file VFramebufferObject.h.

Referenced by init().

VProgram VFramebufferObject::m_RenderToScreen [static, private]

Program to Render To Screen.

Definition at line 125 of file VFramebufferObject.h.

Referenced by getRenderToScreenProgram(), init(), renderToFullScreen(), renderToLowerLeftQuad(), and renderToLowerRightQuad().

bool VFramebufferObject::m_ProgramLoaded = false [static, private]

If Program is already loaded.

Definition at line 127 of file VFramebufferObject.h.

Referenced by getRenderToScreenProgram(), and init().

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

• Eigene Dateien/Vis/src/VFramebufferObject.h
• Eigene Dateien/Vis/src/VFramebufferObject.cpp

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