The SoGLCubeMapImage class is used to handle cube map textures. More...

#include <include/Inventor/misc/SoGLCubeMapImage.h>

Inheritance diagram for SoGLCubeMapImage:

Public Types
enum	Target { NEGATIVE_X = 0, POSITIVE_X, NEGATIVE_Y, POSITIVE_Y, NEGATIVE_Z, POSITIVE_Z }

Public Types inherited from SoGLImage
enum	Wrap { REPEAT = 0, CLAMP, CLAMP_TO_EDGE, CLAMP_TO_BORDER }

enum	ResizeReason { IMAGE = 0, SUBIMAGE, MIPMAP }

enum	Flags { SCALE_DOWN = 0x0001, NO_MIPMAP = 0x0002, LINEAR_MAG_FILTER = 0x0004, LINEAR_MIN_FILTER = 0x0008, LINEAR_MIPMAP_FILTER = 0x0010, FORCE_TRANSPARENCY_TRUE = 0x0020, FORCE_TRANSPARENCY_FALSE = 0x0040, FORCE_ALPHA_TEST_TRUE = 0x0080, FORCE_ALPHA_TEST_FALSE = 0x0100, INVINCIBLE = 0x0200, RECTANGLE = 0x0400, COMPRESSED = 0x0800, USE_QUALITY_VALUE = 0X8000 }

typedef SbBool	SoGLImageResizeCB(SoState state, const SbVec3s &newsize, unsigned char destbuffer, ResizeReason reason, void closure, class SoGLImage image)

Public Member Functions
	SoGLCubeMapImage ()

virtual void	unref (SoState *state=NULL)

virtual SoType	getTypeId (void) const

void	setCubeMapImage (const Target target, const unsigned char *bytes, const SbVec2s &size, const int numcomponents)

virtual void	setData (const SbImage image, const Wrap wraps=REPEAT, const Wrap wrapt=REPEAT, const float quality=0.5f, const int border=0, SoState createinstate=NULL)

virtual void	setData (const SbImage image, const Wrap wraps, const Wrap wrapt, const Wrap wrapr, const float quality=0.5f, const int border=0, SoState createinstate=NULL)

virtual SoGLDisplayList *	getGLDisplayList (SoState *state)

Public Member Functions inherited from SoGLImage
	SoGLImage ()

virtual SbBool	isOfType (SoType type) const

void	setGLDisplayList (SoGLDisplayList dl, SoState state, const Wrap wraps=REPEAT, const Wrap wrapt=REPEAT, const float quality=0.5f)

void	setPBuffer (SoState state, void context, const Wrap wraps=REPEAT, const Wrap wrapt=REPEAT, const float quality=0.5f)

void	setData (const unsigned char bytes, const SbVec2s &size, const int numcomponents, const Wrap wraps=REPEAT, const Wrap wrapt=REPEAT, const float quality=0.5f, const int border=0, SoState createinstate=NULL)

void	setData (const unsigned char bytes, const SbVec3s &size, const int numcomponents, const Wrap wraps=REPEAT, const Wrap wrapt=REPEAT, const Wrap wrapr=REPEAT, const float quality=0.5f, const int border=0, SoState createinstate=NULL)

void	setFlags (const uint32_t flags)

uint32_t	getFlags (void) const

const SbImage *	getImage (void) const

SbBool	hasTransparency (void) const

SbBool	useAlphaTest (void) const

Wrap	getWrapS (void) const

Wrap	getWrapT (void) const

Wrap	getWrapR (void) const

float	getQuality (void) const

uint32_t	getGLImageId (void) const

void	setEndFrameCallback (void(cb)(void ), void *closure)

int	getNumFramesSinceUsed (void) const

Static Public Member Functions
static SoType	getClassTypeId (void)

static void	initClass (void)

Static Public Member Functions inherited from SoGLImage
static SoType	getClassTypeId (void)

static void	beginFrame (SoState *state)

static void	tagImage (SoState state, SoGLImage image)

static void	endFrame (SoState *state)

static void	setDisplayListMaxAge (const uint32_t maxage)

static void	freeAllImages (SoState *state=NULL)

static void	initClass (void)

static void	setResizeCallback (SoGLImageResizeCB f, void closure)

Additional Inherited Members
Protected Member Functions inherited from SoGLImage
void	incAge (void) const

void	resetAge (void) const

virtual void	unrefOldDL (SoState *state, const uint32_t maxage)

virtual	~SoGLImage ()

Detailed Description

The SoGLCubeMapImage class is used to handle cube map textures.

Be aware that this class is an extension for Coin, and it is not available in the original SGI Open Inventor v2.1 API.

Since: Coin 3.0

Constructor & Destructor Documentation

SoGLCubeMapImage::SoGLCubeMapImage ( void )

Constructor.

Member Function Documentation

void SoGLCubeMapImage::unref ( SoState * state = NULL )

virtual

This class has a private destuctor since we want users to supply the current GL state when deleting the image. This is to make sure gl texture objects are freed as soon as possible. If you supply NULL to this method, the gl texture objects won't be deleted until the next time an GLRenderAction is applied in the image's cache context(s).

Reimplemented from SoGLImage.

SoType SoGLCubeMapImage::getTypeId ( void ) const

virtual

Returns the type id for an SoGLImage instance.

Reimplemented from SoGLImage.

void SoGLCubeMapImage::setData	(	const SbImage *	image,
		const Wrap	wraps = `REPEAT`,
		const Wrap	wrapt = `REPEAT`,
		const float	quality = `0.5f`,
		const int	border = `0`,
		SoState *	createinstate = `NULL`
	)

virtual

Convenience 2D wrapper function around the 3D setData().

Reimplemented from SoGLImage.

void SoGLCubeMapImage::setData	(	const SbImage *	image,
		const Wrap	wraps,
		const Wrap	wrapt,
		const Wrap	wrapr,
		const float	quality = `0.5f`,
		const int	border = `0`,
		SoState *	createinstate = `NULL`
	)

virtual

Sets the data for this GL image. Should only be called when one of the parameters have changed, since this will cause the GL texture object to be recreated. Caller is responsible for sending legal Wrap values. CLAMP_TO_EDGE is only supported on OpenGL v1.2 implementations, and as an extension on some earlier SGI implementations (GL_SGIS_texture_edge_clamp).

For now, if quality > 0.5 when created, we create mipmaps, otherwise a regular texture is created. Be aware, if you for instance create a texture with texture quality 0.4, and then later try to apply the texture with a texture quality greater than 0.5, the texture object will be recreated as a mipmap texture object. This will happen only once though, of course.

If border != 0, the OpenGL texture will be created with this border size. Be aware that this might be extremely slow on most PC hardware.

Normally, the OpenGL texture object isn't created until the first time it is needed, but if createinstate is != NULL, the texture object is created immediately. This is useful if you use a temporary buffer to hold the texture data. Be careful when using this feature, since the texture data might be needed at a later stage (for instance to create a texture object for another context). It will not be possible to create texture objects for other cache contexts when createinstate is != NULL.

Also if createinstate is supplied, and all the attributes are the same as the current data in the image, glTexSubImage() will be used to insert the image data instead of creating a new texture object. This is much faster on most OpenGL drivers, and is very useful, for instance when doing animated textures.

If you supply NULL for image, the instance will be reset, causing all display lists and memory to be freed.

Reimplemented from SoGLImage.

SoGLDisplayList * SoGLCubeMapImage::getGLDisplayList ( SoState * state )

virtual

Returns or creates a SoGLDisplayList to be used for rendering. Returns NULL if no SoDLDisplayList could be created.

Reimplemented from SoGLImage.

void SoGLCubeMapImage::initClass ( void )

static

This API member is considered internal to the library, as it is not likely to be of interest to the application programmer.

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

SoGLCubeMapImage.h
SoGLCubeMapImage.cpp

Public Types

Public Member Functions

Static Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation