glInvalidateSubFramebuffer

invalidate the content of a region of some or all of a framebuffer object's attachments

Signature

glInvalidateSubFramebuffer( GLenum ( target ) , GLsizei ( numAttachments ) , const GLenum * ( attachments ) , GLint ( x ) , GLint ( y ) , GLint ( width ) , GLint ( height ) )-> void
glInvalidateSubFramebuffer( target , numAttachments , attachments , x , y , width , height )

Parameters

VariablesDescription
target
The target to which the framebuffer is attached. target must be GL_FRAMEBUFFER , GL_DRAW_FRAMEBUFFER , or GL_READ_FRAMEBUFFER .
numAttachments
The number of entries in the attachments array.
attachments
The address of an array identifying the attachments to be invalidated.
x
The X offset of the region to be invalidated.
y
The Y offset of the region to be invalidated.
width
The width of the region to be invalidated.
height
The height of the region to be invalidated.