diff options
Diffstat (limited to 'opengl/modules/pdp_3d_state.c')
| -rw-r--r-- | opengl/modules/pdp_3d_state.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/opengl/modules/pdp_3d_state.c b/opengl/modules/pdp_3d_state.c deleted file mode 100644 index d34ff94..0000000 --- a/opengl/modules/pdp_3d_state.c +++ /dev/null @@ -1,135 +0,0 @@ -/* - * Pure Data Packet module. - * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org> - * - * 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. - * - */ - - -/* change binary opengl state variables. all defaults (flag = 0) should be set - in the render context init. - - right outlet has the thing enabled (or disabled, depending on toggle) - left outlet has the thing disabled (better: it should push it) - - simple version: does not permit reentry (yet) */ - - -#include <GL/gl.h> -#include "pdp_opengl.h" -#include "pdp_3dp_base.h" - -typedef struct pdp_3d_state_struct -{ - t_pdp_3dp_base x_base; - GLboolean x_flag; - GLboolean x_prev_flag; - GLenum x_thing; - void (*x_setup)(void); - -} t_pdp_3d_state; - - -static void _setflag(GLenum thing, GLboolean flag) -{ - if (flag) glEnable(thing); - else glDisable(thing); -} - -static void pdp_3d_state_process_right(t_pdp_3d_state *x) -{ - int p; - if (-1 != (p = pdp_3dp_base_get_context_packet(x))){ - /* store previous flag */ - pdp_packet_3Dcontext_set_rendering_context(p); - glGetBooleanv(x->x_thing, &x->x_prev_flag); - _setflag(x->x_thing, x->x_flag); - if (x->x_setup) x->x_setup(); - } -} - -static void pdp_3d_state_process_left(t_pdp_3d_state *x) -{ - int p; - /* allways run left method (reset) */ - if (-1 != (p = pdp_3dp_base_get_context_packet(x))){ - pdp_packet_3Dcontext_set_rendering_context(p); - _setflag(x->x_thing, x->x_prev_flag); - } -} - -static void pdp_3d_state_flag(t_pdp_3d_state *x, t_floatarg f) -{ - x->x_flag = (f == 0.0f) ? GL_FALSE : GL_TRUE; -} - -static void _blend(void) {glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);} -static void _blend_add(void) {glBlendFunc(GL_SRC_ALPHA, GL_ONE);} - -t_class *pdp_3d_state_class; -void pdp_3d_state_free(t_pdp_3d_state *x){pdp_3dp_base_free(x);} -void *pdp_3d_state_new(t_symbol *s, t_floatarg f) -{ - t_pdp_3d_state *x = (t_pdp_3d_state *)pd_new(pdp_3d_state_class); - - /* super init */ - pdp_3dp_base_init(x); - pdp_3d_state_flag(x,f); - - if (s == gensym("blend_mix")) {x->x_setup = _blend; x->x_thing = GL_BLEND;} - else if (s == gensym("blend_add")) {x->x_setup = _blend_add; x->x_thing = GL_BLEND;} - else if (s == gensym("depth_test")) {x->x_setup = 0; x->x_thing = GL_DEPTH_TEST;} - - /* unkown command: do nothing */ - else { - post ("3dp_state: unknown flag %s", s->s_name); - pd_free((void *)x); - return 0; - } - - /* create additional inlet */ - pdp_base_add_gen_inlet(x, gensym("float"), gensym("flag")); - - /* create dpd outlets */ - pdp_3dp_base_add_outlet(x, (t_pdp_method)pdp_3d_state_process_left, 0); - pdp_3dp_base_add_outlet(x, (t_pdp_method)pdp_3d_state_process_right, 0); - - - return (void *)x; -} - - -#ifdef __cplusplus -extern "C" -{ -#endif - - -void pdp_3d_state_setup(void) -{ - - - pdp_3d_state_class = class_new(gensym("3dp_toggle"), (t_newmethod)pdp_3d_state_new, - (t_method)pdp_3d_state_free, sizeof(t_pdp_3d_state), 0, A_SYMBOL, A_DEFFLOAT, A_NULL); - - pdp_3dp_base_setup(pdp_3d_state_class); - class_addmethod(pdp_3d_state_class, (t_method)pdp_3d_state_flag, gensym("flag"), A_FLOAT, A_NULL); - -} - -#ifdef __cplusplus -} -#endif |