GLNEWLIST() GLNEWLIST() 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_COM- PILE_AND_EXECUTE. C SPECIFICATION void glEndList( void ) DESCRIPTION Display lists are groups of GL commands that have been stored for subse- quent 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 inte- ger that becomes the unique name for the display list. Names can be cre- ated 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 gl- ColorPointer, glDeleteLists, glDisableClientState, glEdgeFlagPointer, glEn- ableClientState, glFeedbackBuffer, glFinish, glFlush, glGenLists, glIndex- Pointer, glInterleavedArrays, glIsEnabled, glIsList, glNormalPointer, glPopClientAttrib, glPixelStore, glPushClientAttrib, glReadPixels, glRen- derMode, 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 GL_PROXY_TEX- TURE_2D or GL_PROXY_TEXTURE_1D, 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 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 in- cluded 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 gener- ated by commands in a display list must be generated when the list is exe- cuted. 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 preced- ing glNewList, or if glNewList is called while a display list is being de- fined. GL_INVALID_OPERATION is generated if glNewList or glEndList is executed be- tween 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 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, glCallLists, glDeleteLists, glGenLists GLNEWLIST()
NAME | C SPECIFICATION | PARAMETERS | C SPECIFICATION | DESCRIPTION | NOTES | ERRORS | ASSOCIATED GETS | SEE ALSO
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