glNewList(3G) OpenGL Reference glNewList(3G)
NAME
glNewList, glEndList - create or replace a display list
C SPECIFICATION
void glNewList( GLuint list,
GLenum mode )
PARAMETERS
list Specifies the display-list name.
mode Specifies the compilation mode, which can be GLCOMPILE or
GLCOMPILEANDEXECUTE.
C SPECIFICATION
void glEndList( void )
DESCRIPTION
Display lists are groups of GL commands that have been stored for
subsequent execution. Display lists are created with glNewList. All
subsequent commands are placed in the display list, in the order issued,
until glEndList is called.
glNewList has two arguments. The first argument, list, is a positive
integer that becomes the unique name for the display list. Names can be
created and reserved with glGenLists and tested for uniqueness with
glIsList. The second argument, mode, is a symbolic constant that can
assume one of two values:
GLCOMPILE Commands are merely compiled.
GLCOMPILEANDEXECUTE Commands are executed as they are compiled
into the display list.
Certain commands are not compiled into the display list but are executed
immediately, regardless of the display-list mode. These commands are
glColorPointer, glDeleteLists, glDisableClientState, glEdgeFlagPointer,
glEnableClientState, glFeedbackBuffer, glFinish, glFlush, glGenLists,
glIndexPointer, glInterleavedArrays, glIsEnabled, glIsList,
glNormalPointer, glPopClientAttrib, glPixelStore, glPushClientAttrib,
glReadPixels, glRenderMode, glSelectBuffer, glTexCoordPointer,
glVertexPointer, and all of the glGet commands.
Similarly, glTexImage2D and glTexImage1D are executed immediately and not
compiled into the display list when their first argument is
GLPROXYTEXTURE2D or GLPROXYTEXTURE1D, respectively.
When glEndList is encountered, the display-list definition is completed
by associating the list with the unique name list (specified in the
glNewList command). If a display list with name list already exists, it
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glNewList(3G) OpenGL Reference glNewList(3G)
is replaced only when glEndList is called.
NOTES
glCallList and glCallLists can be entered into display lists. Commands
in the display list or lists executed by glCallList or glCallLists are
not included in the display list being created, even if the list creation
mode is GLCOMPILEANDEXECUTE.
A display list is just a group of commands and arguments, so errors
generated by commands in a display list must be generated when the list
is executed. If the list is created in GLCOMPILE mode, errors are not
generated until the list is executed.
ERRORS
GLINVALIDVALUE is generated if list is 0.
GLINVALIDENUM is generated if mode is not an accepted value.
GLINVALIDOPERATION is generated if glEndList is called without a
preceding glNewList, or if glNewList is called while a display list is
being defined.
GLINVALIDOPERATION is generated if glNewList or glEndList is executed
between the execution of glBegin and the corresponding execution of
glEnd.
GLOUTOFMEMORY is generated if there is insufficient memory to compile
the display list. If the GL version is 1.1 or greater, no change is made
to the previous contents of the display list, if any, and no other change
is made to the GL state. (It is as if no attempt had been made to create
the new display list.)
ASSOCIATED GETS
glIsList
glGet with argument GLLISTINDEX
glGet with argument GLLISTMODE
SEE ALSO
glCallList, glCallLists, glDeleteLists, glGenLists
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