Manages OpenGL resources. More...

#include <mlGLResourceManager.h>

Classes
class	GLResourceList
	Dynamic list of GLResource objects. More...

Public Member Functions
	GLResourceManager ()

virtual	~GLResourceManager ()

bool	isContextActive () const
	Checks whether the current context is active.

void	destroyTextures (int num, GLuint *textures)
	Destroys the given texture IDs (destroys them later if no GL context is currently active).

void	destroyFragmentProgramARB (GLuint program)
	Destroys the given fragment program ID (destroys it later if no GL context is currently active).

void	destroyRenderBuffer (GLuint id)
	Destroys the given render buffer (destroys it later if no GL context is currently active).

void	destroyFrameBuffer (GLuint id)
	Destroys the given render buffer (destroys it later if no GL context is currently active).

void	destroyBuffer (GLuint id)
	Destroys the given vertex buffer (destroys it later if no GL context is currently active).

void	destroyPixelBuffer (GLuint id)
	Destroys the given pixel buffer (destroys it later if no GL context is currently active).

void	destroyVertexBuffer (GLuint id)
	Destroys the given pixel buffer (destroys it later if no GL context is currently active).

void	destroyGLSLShader (GLuint id)
	Destroys the given shader (destroys it later if no GL context is currently active).

void	destroyGLSLProgram (GLuint id)
	Destroys the given program (destroys it later if no GL context is currently active).

void	destroyFTFont (FTFont *font)
	Destroys the given font (destroys it later if no GL context is currently active).

void	detachGLSLShader (GLuint program, GLuint shader)
	Detaches the given shader from the program (this is done later of the GL context is not currently active).

void	disableGLSLProgram ()
	Removes currently active program.

void	unlockContext (unsigned int cacheContextId)
	Sets that the context is active.

void	lockContext ()
	Sets that the context is locked.

unsigned int	cacheContextID ()
	Returns the current cache context ID.

GLenum	getGLError () const
	Checks for OpenGL error (returns GL_INVALID_OPERATION if there is no valid OpenGL context).

Static Public Member Functions
static void	init ()
	Creates singleton.

static void	cleanup ()
	Destroys singleton.

static GLResourceManager *	self ()
	Returns singleton instance.

Protected Types
typedef std::pair< GLuint, GLuint >	GLSLProgramShaderPair

Protected Member Functions
void	addResource (GLResource *program)
	Adds the given resource.

void	removeResource (GLResource *program)
	Removes the given resource.

void	contextDestroyed ()
	Forgets about all resources; the shared context was destroyed.

void	freeResources ()
	Frees resources that could not be destroyed earlier.

void	add (GLResourceList &list, GLResource *resource)

void	remove (GLResourceList &list, GLResource *resource)

Protected Attributes
bool	_contextLocked

unsigned int	_cacheContextID

GLResourceList	_resources

std::vector< GLuint >	_texturesToFree

std::vector< GLuint >	_programsARBToFree

std::vector< GLuint >	_frameBuffersToFree

std::vector< GLuint >	_renderBuffersToFree

std::vector< GLuint >	_buffersToFree

std::vector< GLuint >	_GLSLProgramsToFree

std::vector< GLuint >	_GLSLShadersToFree

std::vector< GLSLProgramShaderPair >	_GLSLShadersToDetach

std::vector< FTFont * >	_FTFontsToFree

Static Protected Attributes
static GLResourceManager *	_self

Friends
class	GLResource

Detailed Description

Manages OpenGL resources.

Definition at line 28 of file mlGLResourceManager.h.

Member Typedef Documentation

◆ GLSLProgramShaderPair

typedef std::pair<GLuint, GLuint> GLResourceManager::GLSLProgramShaderPair

protected

Definition at line 117 of file mlGLResourceManager.h.

Constructor & Destructor Documentation

◆ GLResourceManager()

GLResourceManager::GLResourceManager ( )

◆ ~GLResourceManager()

virtual GLResourceManager::~GLResourceManager ( )

virtual

Member Function Documentation

◆ add()

void GLResourceManager::add	(	GLResourceList &	list,
		GLResource *	resource
	)

protected

◆ addResource()

void GLResourceManager::addResource ( GLResource * program )

protected

Adds the given resource.

◆ cacheContextID()

unsigned int GLResourceManager::cacheContextID ( )

inline

Returns the current cache context ID.

Definition at line 80 of file mlGLResourceManager.h.

◆ cleanup()

static void GLResourceManager::cleanup ( )

static

Destroys singleton.

◆ contextDestroyed()

void GLResourceManager::contextDestroyed ( )

protected

Forgets about all resources; the shared context was destroyed.

◆ destroyBuffer()

void GLResourceManager::destroyBuffer ( GLuint id )

Destroys the given vertex buffer (destroys it later if no GL context is currently active).

◆ destroyFragmentProgramARB()

void GLResourceManager::destroyFragmentProgramARB ( GLuint program )

Destroys the given fragment program ID (destroys it later if no GL context is currently active).

◆ destroyFrameBuffer()

void GLResourceManager::destroyFrameBuffer ( GLuint id )

Destroys the given render buffer (destroys it later if no GL context is currently active).

◆ destroyFTFont()

void GLResourceManager::destroyFTFont ( FTFont * font )

Destroys the given font (destroys it later if no GL context is currently active).

◆ destroyGLSLProgram()

void GLResourceManager::destroyGLSLProgram ( GLuint id )

Destroys the given program (destroys it later if no GL context is currently active).

◆ destroyGLSLShader()

void GLResourceManager::destroyGLSLShader ( GLuint id )

Destroys the given shader (destroys it later if no GL context is currently active).

◆ destroyPixelBuffer()

void GLResourceManager::destroyPixelBuffer ( GLuint id )

inline

Destroys the given pixel buffer (destroys it later if no GL context is currently active).

Definition at line 57 of file mlGLResourceManager.h.

◆ destroyRenderBuffer()

void GLResourceManager::destroyRenderBuffer ( GLuint id )

Destroys the given render buffer (destroys it later if no GL context is currently active).

◆ destroyTextures()

void GLResourceManager::destroyTextures	(	int	num,
		GLuint *	textures
	)

Destroys the given texture IDs (destroys them later if no GL context is currently active).

◆ destroyVertexBuffer()

void GLResourceManager::destroyVertexBuffer ( GLuint id )

inline

Destroys the given pixel buffer (destroys it later if no GL context is currently active).

Definition at line 59 of file mlGLResourceManager.h.

◆ detachGLSLShader()

void GLResourceManager::detachGLSLShader	(	GLuint	program,
		GLuint	shader
	)

Detaches the given shader from the program (this is done later of the GL context is not currently active).

◆ disableGLSLProgram()

void GLResourceManager::disableGLSLProgram ( )

Removes currently active program.

◆ freeResources()

void GLResourceManager::freeResources ( )

protected

Frees resources that could not be destroyed earlier.

◆ getGLError()

GLenum GLResourceManager::getGLError ( ) const

Checks for OpenGL error (returns GL_INVALID_OPERATION if there is no valid OpenGL context).

◆ init()

static void GLResourceManager::init ( )

static

Creates singleton.

◆ isContextActive()

bool GLResourceManager::isContextActive ( ) const

inline

Checks whether the current context is active.

Definition at line 44 of file mlGLResourceManager.h.

◆ lockContext()

void GLResourceManager::lockContext ( )

Sets that the context is locked.

◆ remove()

void GLResourceManager::remove	(	GLResourceList &	list,
		GLResource *	resource
	)

protected

◆ removeResource()

void GLResourceManager::removeResource ( GLResource * program )

protected

Removes the given resource.

◆ self()

static GLResourceManager * GLResourceManager::self ( )

inlinestatic

Returns singleton instance.

Definition at line 41 of file mlGLResourceManager.h.

◆ unlockContext()

void GLResourceManager::unlockContext ( unsigned int cacheContextId )

Sets that the context is active.

Friends And Related Symbol Documentation

◆ GLResource

friend class GLResource

friend

Definition at line 110 of file mlGLResourceManager.h.

Member Data Documentation

◆ _buffersToFree

std::vector<GLuint> GLResourceManager::_buffersToFree

protected

Definition at line 123 of file mlGLResourceManager.h.

◆ _cacheContextID

unsigned int GLResourceManager::_cacheContextID

protected

Definition at line 113 of file mlGLResourceManager.h.

◆ _contextLocked

bool GLResourceManager::_contextLocked

protected

Definition at line 112 of file mlGLResourceManager.h.

◆ _frameBuffersToFree

std::vector<GLuint> GLResourceManager::_frameBuffersToFree

protected

Definition at line 121 of file mlGLResourceManager.h.

◆ _FTFontsToFree

std::vector<FTFont*> GLResourceManager::_FTFontsToFree

protected

Definition at line 127 of file mlGLResourceManager.h.

◆ _GLSLProgramsToFree

std::vector<GLuint> GLResourceManager::_GLSLProgramsToFree

protected

Definition at line 124 of file mlGLResourceManager.h.

◆ _GLSLShadersToDetach

std::vector<GLSLProgramShaderPair> GLResourceManager::_GLSLShadersToDetach

protected

Definition at line 126 of file mlGLResourceManager.h.

◆ _GLSLShadersToFree

std::vector<GLuint> GLResourceManager::_GLSLShadersToFree

protected

Definition at line 125 of file mlGLResourceManager.h.

◆ _programsARBToFree

std::vector<GLuint> GLResourceManager::_programsARBToFree

protected

Definition at line 120 of file mlGLResourceManager.h.

◆ _renderBuffersToFree

std::vector<GLuint> GLResourceManager::_renderBuffersToFree

protected

Definition at line 122 of file mlGLResourceManager.h.

◆ _resources

GLResourceList GLResourceManager::_resources

protected

Definition at line 115 of file mlGLResourceManager.h.

◆ _self

GLResourceManager* GLResourceManager::_self

staticprotected

Definition at line 129 of file mlGLResourceManager.h.

◆ _texturesToFree

std::vector<GLuint> GLResourceManager::_texturesToFree

protected

Definition at line 119 of file mlGLResourceManager.h.

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

MeVis/Foundation/Sources/MLOpenGL/mlGLResourceManager.h

Classes

Public Member Functions

Static Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Static Protected Attributes

Friends

Detailed Description

Member Typedef Documentation

◆ GLSLProgramShaderPair

Constructor & Destructor Documentation

◆ GLResourceManager()

◆ ~GLResourceManager()

Member Function Documentation

◆ add()

◆ addResource()

◆ cacheContextID()

◆ cleanup()

◆ contextDestroyed()

◆ destroyBuffer()

◆ destroyFragmentProgramARB()

◆ destroyFrameBuffer()

◆ destroyFTFont()

◆ destroyGLSLProgram()

◆ destroyGLSLShader()

◆ destroyPixelBuffer()

◆ destroyRenderBuffer()

◆ destroyTextures()

◆ destroyVertexBuffer()

◆ detachGLSLShader()

◆ disableGLSLProgram()

◆ freeResources()

◆ getGLError()

◆ init()

◆ isContextActive()

◆ lockContext()

◆ remove()

◆ removeResource()

◆ self()

◆ unlockContext()

Friends And Related Symbol Documentation

◆ GLResource

Member Data Documentation

◆ _buffersToFree

◆ _cacheContextID

◆ _contextLocked

◆ _frameBuffersToFree

◆ _FTFontsToFree

◆ _GLSLProgramsToFree

◆ _GLSLShadersToDetach

◆ _GLSLShadersToFree

◆ _programsARBToFree

◆ _renderBuffersToFree

◆ _resources

◆ _self

◆ _texturesToFree