Framebuffer Control State Variables

GL\_DRAW\_BUFFER

Property	Value
Description:	Buffers selected for drawing
Attribute group:	color-buffer
Initial value:
Get command:	glGetIntegerv

 

GL\_INDEX\_WRITEMASK

Property	Value
Description:	Color-index writemask
Attribute group:	color-buffer
Initial value:	1's
Get command:	glGetIntegerv

 

GL\_COLOR\_WRITEMASK

Property	Value
Description:	Color write enables; R, G, B, or A
Attribute group:	color-buffer
Initial value:	GL_TRUE
Get command:	glGetBooleanv

 

GL\_DEPTH\_WRITEMASK

Property	Value
Description:	Depth buffer enabled for writing
Attribute group:	depth-buffer
Initial value:	GL_TRUE
Get command:	glGetBooleanv

 

GL\_STENCIL\_WRITEMASK

Property	Value
Description:	Stencil-buffer writemask
Attribute group:	stencil-buffer
Initial value:	1's
Get command:	glGetIntegerv

 

GL\_COLOR\_CLEAR\_VALUE

Property	Value
Description:	Color-buffer clear value (RGBA mode)
Attribute group:	color-buffer
Initial value:	0, 0, 0, 0
Get command:	glGetFloatv

 

GL\_INDEX\_CLEAR\_VALUE

Property	Value
Description:	Color-buffer clear value (color-index mode)
Attribute group:	color-buffer
Initial value:	0
Get command:	glGetFloatv

 

GL\_DEPTH\_CLEAR\_VALUE

Property	Value
Description:	Depth-buffer clear value
Attribute group:	depth-buffer
Initial value:	1
Get command:	glGetIntegerv

 

GL\_STENCIL\_CLEAR\_VALUE

Property	Value
Description:	Stencil-buffer clear value
Attribute group:	stencil-buffer
Initial value:	0
Get command:	glGetIntegerv

 

GL\_ACCUM\_CLEAR\_VALUE

Property	Value
Description:	Accumulation-buffer clear value
Attribute group:	accum-buffer
Initial value:	0
Get command:	glGetFloatv