Factory for GL Frame Buffer Objects, and related things. More...

#include <OgreGLFBORenderTexture.h>

Inheritance diagram for Ogre::GLFBOManager:

Classes
struct	FormatProperties
	Frame Buffer Object properties for a certain texture format. More...

struct	RBFormat
	Stencil and depth renderbuffers of the same format are re-used between surfaces of the same size and format. More...

struct	RBRef

Public Member Functions
	GLFBOManager (bool atimode)

	~GLFBOManager ()

void	bind (RenderTarget *target)
	Bind a certain render target if it is a FBO. More...

bool	checkFormat (PixelFormat format)
	Check if a certain format is usable as FBO rendertarget format. More...

virtual MultiRenderTarget *	createMultiRenderTarget (const String &name)
	Create a multi render target. More...

virtual GLFBORenderTexture *	createRenderTexture (const String &name, const GLSurfaceDesc &target, bool writeGamma, uint fsaa)
	Create a texture rendertarget object. More...

void	getBestDepthStencil (GLenum internalFormat, GLenum depthFormat, GLenum stencilFormat)
	Get best depth and stencil supported for given internalFormat. More...

virtual PixelFormat	getSupportedAlternative (PixelFormat format)
	Get the closest supported alternative format. More...

GLuint	getTemporaryFBO ()
	Get a FBO without depth/stencil for temporary use, like blitting between textures. More...

void	releaseRenderBuffer (const GLSurfaceDesc &surface)
	Release a render buffer. More...

void	requestRenderBuffer (const GLSurfaceDesc &surface)
	Request the specify render buffer in case shared somewhere. More...

GLSurfaceDesc	requestRenderBuffer (GLenum format, uint32 width, uint32 height, uint fsaa)
	Request a render buffer. More...

void	unbind (RenderTarget *target)
	Unbind a certain render target. More...

Static Public Member Functions
static GLRTTManager &	getSingleton (void)

static GLRTTManager *	getSingletonPtr (void)

Static Protected Attributes
static GLRTTManager *	msSingleton

Private Types
typedef map< RBFormat, RBRef >::type	RenderBufferMap

Private Member Functions
void	_createTempFramebuffer (GLuint fmt, GLuint &fb, GLuint &tid)

GLuint	_tryFormat (GLenum depthFormat, GLenum stencilFormat)

bool	_tryPackedFormat (GLenum packedFormat)

void	detectFBOFormats ()
	Detect allowed FBO formats. More...

Private Attributes
bool	mATIMode
	Buggy ATI driver? More...

FormatProperties	mProps [PF_COUNT]
	Properties for all internal formats defined by OGRE. More...

RenderBufferMap	mRenderBufferMap

GLuint	mTempFBO
	Temporary FBO identifier. More...

Detailed Description

Factory for GL Frame Buffer Objects, and related things.

Definition at line 64 of file OgreGLFBORenderTexture.h.

Member Typedef Documentation

◆ RenderBufferMap

typedef map<RBFormat, RBRef>::type Ogre::GLFBOManager::RenderBufferMap

private

Definition at line 181 of file OgreGLFBORenderTexture.h.

Constructor & Destructor Documentation

◆ GLFBOManager()

Ogre::GLFBOManager::GLFBOManager ( bool atimode )

◆ ~GLFBOManager()

Ogre::GLFBOManager::~GLFBOManager ( )

Member Function Documentation

◆ _createTempFramebuffer()

void Ogre::GLFBOManager::_createTempFramebuffer	(	GLuint	fmt,
		GLuint &	fb,
		GLuint &	tid
	)

private

◆ _tryFormat()

GLuint Ogre::GLFBOManager::_tryFormat	(	GLenum	depthFormat,
		GLenum	stencilFormat
	)

private

◆ _tryPackedFormat()

bool Ogre::GLFBOManager::_tryPackedFormat ( GLenum packedFormat )

private

◆ bind()

void Ogre::GLFBOManager::bind ( RenderTarget * target )

virtual

Bind a certain render target if it is a FBO.

If it is not a FBO, bind the main frame buffer.

Implements Ogre::GLRTTManager.

◆ checkFormat()

bool Ogre::GLFBOManager::checkFormat ( PixelFormat format )

virtual

Check if a certain format is usable as FBO rendertarget format.

Implements Ogre::GLRTTManager.

Definition at line 105 of file OgreGLFBORenderTexture.h.

◆ createMultiRenderTarget()

virtual MultiRenderTarget* Ogre::GLFBOManager::createMultiRenderTarget ( const String & name )

virtual

Create a multi render target.

Reimplemented from Ogre::GLRTTManager.

◆ createRenderTexture()

virtual GLFBORenderTexture* Ogre::GLFBOManager::createRenderTexture	(	const String &	name,
		const GLSurfaceDesc &	target,
		bool	writeGamma,
		uint	fsaa
	)

virtual

Create a texture rendertarget object.

Implements Ogre::GLRTTManager.

◆ detectFBOFormats()

void Ogre::GLFBOManager::detectFBOFormats ( )

private

Detect allowed FBO formats.

◆ getBestDepthStencil()

void Ogre::GLFBOManager::getBestDepthStencil	(	GLenum	internalFormat,
		GLenum *	depthFormat,
		GLenum *	stencilFormat
	)

virtual

Get best depth and stencil supported for given internalFormat.

Reimplemented from Ogre::GLRTTManager.

◆ getSingleton()

static GLRTTManager & Ogre::Singleton< GLRTTManager >::getSingleton ( void )

staticinherited

Definition at line 90 of file OgreSingleton.h.

◆ getSingletonPtr()

static GLRTTManager * Ogre::Singleton< GLRTTManager >::getSingletonPtr ( void )

staticinherited

Definition at line 92 of file OgreSingleton.h.

◆ getSupportedAlternative()

virtual PixelFormat Ogre::GLRTTManager::getSupportedAlternative ( PixelFormat format )

virtualinherited

Get the closest supported alternative format.

If format is supported, returns format.

◆ getTemporaryFBO()

GLuint Ogre::GLFBOManager::getTemporaryFBO ( )

Get a FBO without depth/stencil for temporary use, like blitting between textures.

Definition at line 109 of file OgreGLFBORenderTexture.h.

◆ releaseRenderBuffer()

void Ogre::GLFBOManager::releaseRenderBuffer ( const GLSurfaceDesc & surface )

Release a render buffer.

Ignore silently if surface.buffer is 0.

◆ requestRenderBuffer() [1/2]

void Ogre::GLFBOManager::requestRenderBuffer ( const GLSurfaceDesc & surface )

Request the specify render buffer in case shared somewhere.

Ignore silently if surface.buffer is 0.

◆ requestRenderBuffer() [2/2]

GLSurfaceDesc Ogre::GLFBOManager::requestRenderBuffer	(	GLenum	format,
		uint32	width,
		uint32	height,
		uint	fsaa
	)

Request a render buffer.

If format is GL_NONE, return a zero buffer.

◆ unbind()

void Ogre::GLFBOManager::unbind ( RenderTarget * target )

virtual

Unbind a certain render target.

No-op for FBOs.

Implements Ogre::GLRTTManager.

Definition at line 77 of file OgreGLFBORenderTexture.h.

Member Data Documentation

◆ mATIMode

bool Ogre::GLFBOManager::mATIMode

private

Buggy ATI driver?

Definition at line 190 of file OgreGLFBORenderTexture.h.

◆ mProps

FormatProperties Ogre::GLFBOManager::mProps[PF_COUNT]

private

Properties for all internal formats defined by OGRE.

Definition at line 129 of file OgreGLFBORenderTexture.h.

◆ mRenderBufferMap

RenderBufferMap Ogre::GLFBOManager::mRenderBufferMap

private

Definition at line 182 of file OgreGLFBORenderTexture.h.

◆ msSingleton

GLRTTManager * Ogre::Singleton< GLRTTManager >::msSingleton

staticprotectedinherited

Definition at line 75 of file OgreSingleton.h.

◆ mTempFBO

GLuint Ogre::GLFBOManager::mTempFBO

private

Temporary FBO identifier.

Definition at line 187 of file OgreGLFBORenderTexture.h.

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

OgreGLFBORenderTexture.h

Classes

Public Member Functions

Static Public Member Functions

Static Protected Attributes

Private Types

Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ RenderBufferMap

Constructor & Destructor Documentation

◆ GLFBOManager()

◆ ~GLFBOManager()

Member Function Documentation

◆ _createTempFramebuffer()

◆ _tryFormat()

◆ _tryPackedFormat()

◆ bind()

◆ checkFormat()

◆ createMultiRenderTarget()

◆ createRenderTexture()

◆ detectFBOFormats()

◆ getBestDepthStencil()

◆ getSingleton()

◆ getSingletonPtr()

◆ getSupportedAlternative()

◆ getTemporaryFBO()

◆ releaseRenderBuffer()

◆ requestRenderBuffer() [1/2]

◆ requestRenderBuffer() [2/2]

◆ unbind()

Member Data Documentation

◆ mATIMode

◆ mProps

◆ mRenderBufferMap

◆ msSingleton

◆ mTempFBO