GLNEWLIST(3G) UNIX Programmer's Manual 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
GL_COMPILE or GL_COMPILE_AND_EXECUTE.
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:
GL_COMPILE Commands are merely compiled.
GL_COMPILE_AND_EXECUTE 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 glAreTexturesResident,
glColorPointer, glDeleteLists, glDeleteTextures,
glDisableClientState, glEdgeFlagPointer,
glEnableClientState, glFeedbackBuffer, glFinish, glFlush,
glGenLists, glGenTextures, glIndexPointer,
glInterleavedArrays, glIsEnabled, glIsList, glIsTexture,
glNormalPointer, glPopClientAttrib, glPixelStore,
glPushClientAttrib, glReadPixels, glRenderMode,
glSelectBuffer, glTexCoordPointer, glVertexPointer, and all
of the glGet commands.
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Similarly, glTexImage1D, glTexImage2D, and glTexImage3D are
executed immediately and not compiled into the display list
when their first argument is GL_PROXY_TEXTURE_1D,
GL_PROXY_TEXTURE_1D, or GL_PROXY_TEXTURE_3D, respectively.
When the GL_ARB_imaging extension is supported, glHistogram
executes immediately when its argument is
GL_PROXY_HISTOGRAM. Similarly, glColorTable executes
immediately when its first argument is glPROXY_COLOR_TABLE,
glPROXY_POST_CONVOLUTION_COLOR_TABLE, or
glPROXY_POST_COLOR_MATRIX_COLOR_TABLE.
When the GL_ARB_multitexture extension is supported,
glClientActiveTextureARB is not compiled into display lists,
but executed immediately.
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 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
GL_COMPILE_AND_EXECUTE.
A display list is just a group of commands and arguments, so
errors generated by commands in a display list must be gen-
erated when the list is executed. If the list is created in
GL_COMPILE mode, errors are not generated until the list is
executed.
ERRORS
GL_INVALID_VALUE is generated if list is 0.
GL_INVALID_ENUM is generated if mode is not an accepted
value.
GL_INVALID_OPERATION is generated if glEndList is called
without a preceding glNewList, or if glNewList is called
while a display list is being defined.
GL_INVALID_OPERATION is generated if glNewList or glEndList
is executed between the execution of glBegin and the
corresponding execution of glEnd.
GL_OUT_OF_MEMORY 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
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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 GL_LIST_INDEX
glGet with argument GL_LIST_MODE
SEE ALSO
glCallList(3G), glCallLists(3G), glDeleteLists(3G),
glGenLists(3G)
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