Transformation State Variables

GL\_MODELVIEW\_MATRIX

Property	Value
Description:	Modelview matrix stack
Attribute group:
Initial value:	Identity
Get command:	glGetFloatv

 

GL\_PROJECTION\_MATRIX

Property	Value
Description:	Projection matrix stack
Attribute group:
Initial value:	Identity
Get command:	glGetFloatv

 

GL\_TEXTURE\_MATRIX

Property	Value
Description:	Texture matrix stack
Attribute group:
Initial value:	Identity
Get command:	glGetFloatv

 

GL\_VIEWPORT

Property	Value
Description:	Viewport origin and extent
Attribute group:	viewport
Initial value:
Get command:	glGetIntegerv

 

GL\_DEPTH\_RANGE

Property	Value
Description:	Depth range near and far
Attribute group:	viewport
Initial value:	0, 1
Get command:	glGetFloatv

 

GL\_MODELVIEW\_STACK\_DEPTH

Property	Value
Description:	Modelview matrix stack pointer
Attribute group:
Initial value:	1
Get command:	glGetIntegerv

 

GL\_PROJECTION\_STACK\_DEPTH

Property	Value
Description:	Projection matrix stack pointer
Attribute group:
Initial value:	1
Get command:	glGetIntegerv

 

GL\_TEXTURE\_STACK\_DEPTH

Property	Value
Description:	Texture matrix stack pointer
Attribute group:
Initial value:	1
Get command:	glGetIntegerv

 

GL\_MATRIX\_MODE

Property	Value
Description:	Current matrix mode
Attribute group:	transform
Initial value:	GL_MODELVIEW
Get command:	glGetIntegerv

 

GL\_NORMALIZE

Property	Value
Description:	Current normal normalization on/off
Attribute group:	transform/enable
Initial value:	GL_FALSE
Get command:	glIsEnabled

 

GL\_CLIP\_PLANE *i*

Property	Value
Description:	User clipping plane coefficients
Attribute group:	transform
Initial value:	0, 0, 0, 0
Get command:	glGetClipPlane

 

GL\_CLIP\_PLANE *i*

Property	Value
Description:	i th user clipping plane enabled
Attribute group:	transform/enable
Initial value:	GL_FALSE
Get command:	glIsEnabled