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/*
* Pure Data Packet module.
* Copyright (c) by Tom Schouten <tom@zwizwa.be>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <GL/gl.h>
#include "pdp_opengl.h"
#include "pdp_3dp_base.h"
/* gl display list compilation & execution */
typedef struct pdp_3d_dlist_struct
{
t_pdp_3dp_base x_base;
GLuint x_dlist;
int x_compile;
} t_pdp_3d_dlist;
static void pdp_3d_dlist_complete_notify(t_pdp_3d_dlist *x)
{
/* disable the second outlet */
pdp_3dp_base_enable_outlet(x, 0, 0);
}
static void pdp_3d_dlist_compile(t_pdp_3d_dlist *x)
{
//x->x_compile = 1;
/* enable the second outlet */
pdp_3dp_base_enable_outlet(x, 0, 1);
}
static void pdp_3d_dlist_process_start(t_pdp_3d_dlist *x)
{
int p = pdp_3dp_base_get_context_packet(x);
if (-1 != p){
/* check if pbuf */
if (pdp_packet_3Dcontext_isvalid(p)){
/* set context */
//pdp_pbuf_set_rendering_context(p);
/* display list needs to be created in the correct context
if we don't have one yet, create it */
if (!x->x_dlist) x->x_dlist = glGenLists(1);
/* start the list */ /* $$$TODO: error checking for recursion */
x->x_compile = 1;
glNewList(x->x_dlist, GL_COMPILE_AND_EXECUTE);
//glNewList(x->x_dlist, GL_COMPILE);
//post("compiling");
}
}
}
static void pdp_3d_dlist_process_cleanup(t_pdp_3d_dlist *x)
{
int p = pdp_3dp_base_get_context_packet(x);
if (-1 != p){
/* check if pbuf */
if (pdp_packet_3Dcontext_isvalid(p)){
/* end list if we're compiling */
if (x->x_compile){
/* end the list */
glEndList();
/* use the list next time */
x->x_compile = 0;
//post("ending compile");
}
/* or execute the old one */
else {
if (x->x_dlist) {
//post("calling dlist %d", x->x_dlist);
glCallList(x->x_dlist);
}
}
}
}
}
t_class *pdp_3d_dlist_class;
void pdp_3d_dlist_free(t_pdp_3d_dlist *x)
{
pdp_3dp_base_free(x);
if (x->x_dlist) glDeleteLists(x->x_dlist, 1);
}
void *pdp_3d_dlist_new(t_symbol *s)
{
t_pdp_3d_dlist *x = (t_pdp_3d_dlist *)pd_new(pdp_3d_dlist_class);
/* super init */
pdp_3dp_base_init(x);
/* io & callbacks */
pdp_3dp_base_add_outlet(x, (t_pdp_method)pdp_3d_dlist_process_start, 0);
pdp_3dp_base_add_cleanup(x, (t_pdp_method)pdp_3d_dlist_process_cleanup, 0);
pdp_3dp_base_register_complete_notify(x, (t_pdp_method)pdp_3d_dlist_complete_notify);
/* disable the second outlet */
pdp_3dp_base_enable_outlet(x, 1, 0);
/* create dlist */
x->x_dlist = 0;
x->x_compile = 0;
/* compile the first packet */
pdp_3d_dlist_compile(x);
return (void *)x;
}
#ifdef __cplusplus
extern "C"
{
#endif
void pdp_3d_dlist_setup(void)
{
pdp_3d_dlist_class = class_new(gensym("pdp_3d_dlist"), (t_newmethod)pdp_3d_dlist_new,
(t_method)pdp_3d_dlist_free, sizeof(t_pdp_3d_dlist), 0, A_DEFSYMBOL, A_NULL);
class_addcreator((t_newmethod)pdp_3d_dlist_new, gensym("3dp_dlist"), A_DEFSYMBOL, A_NULL);
pdp_3dp_base_setup(pdp_3d_dlist_class);
class_addmethod(pdp_3d_dlist_class, (t_method)pdp_3d_dlist_compile, gensym("compile"), A_NULL);
}
#ifdef __cplusplus
}
#endif
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