1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
|
/*
* 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.h"
#include "pdp_3dp_base.h"
#include "pdp_opengl.h"
typedef struct _pdp_3d_snap
{
t_pdp_3dp_base x_base;
t_pdp_dpd_commandfactory x_cfact;
t_outlet *x_result_outlet;
t_pdp_symbol *x_dest_template;
int x_is_texture;
u32 x_width;
u32 x_height;
int x_auto_snap;
int x_pending_snap;
} t_pdp_3d_snap;
typedef struct _snap_command
{
t_pdp_dpd_command x_base;
t_pdp_3d_snap *x_mother;
int x_context_packet;
int x_result_packet;
int x_active;
} t_snap_command;
/* COMAND METHODS */
static void snap_texture_process(t_snap_command *x)
{
int pt = -1;
int p = x->x_context_packet;
int i;
u32 w,h;
if (x->x_active && pdp_packet_3Dcontext_isvalid(p)){
/* get dest texture sub dims */
w = (x->x_mother->x_width) ? x->x_mother->x_width : pdp_packet_3Dcontext_subwidth(p);
h = (x->x_mother->x_height) ? x->x_mother->x_height : pdp_packet_3Dcontext_subheight(p);
/* texture is a special case */
if (x->x_mother->x_is_texture){
/* create a new texture packet */
pt = pdp_packet_new_texture(w,h,GL_RGB);
if (-1 != pt) {
/* set rendering context */
pdp_packet_3Dcontext_set_rendering_context(p);
/* copy pbuf to new texture */
pdp_packet_texture_make_current(pt);
//glReadBuffer(GL_FRONT); //this is for weird feedback stuff..
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, w, h);
x->x_result_packet = pt;
}
}
/* other type: snap to bitmap first, then convert */
else{
//nvidia driver 4191 bug workaround (w -> multiple of 4)
w &= -4;
pt = pdp_packet_3Dcontext_snap_to_bitmap(p, w, h);
//pt = pdp_packet_new_bitmap_rgb(w, h);
//pdp_packet_print_debug(pt);
x->x_result_packet = pdp_packet_convert_ro(pt, x->x_mother->x_dest_template);
pdp_packet_mark_unused(pt);
}
}
}
static void snap_callback(t_snap_command *x)
{
/* send packet to outlet */
pdp_packet_pass_if_valid(x->x_mother->x_result_outlet, &x->x_result_packet);
pdp_dpd_command_suicide(x);
}
/* PD OBJECT METHODS */
static void pdp_3d_snap_snap(t_pdp_3d_snap *x)
{
x->x_pending_snap = 1;
}
static void pdp_3d_snap_autosnap(t_pdp_3d_snap *x, t_floatarg f)
{
if (f){
x->x_auto_snap = 1;
x->x_pending_snap = 1;
}
else{
x->x_auto_snap = 0;
x->x_pending_snap = 0;
}
}
static void *pdp_3d_snap_get_new_command(t_pdp_3d_snap *x)
{
t_snap_command *c = (t_snap_command *)pdp_dpd_commandfactory_get_new_command(&x->x_cfact);
c->x_mother = x;
c->x_context_packet = pdp_3dp_base_get_context_packet(x);
c->x_result_packet = -1;
c->x_active = x->x_pending_snap;
if (!x->x_auto_snap) x->x_pending_snap = 0;
return (void *)c;
}
t_class *pdp_3d_snap_class;
void pdp_3d_snap_free(t_pdp_3d_snap *x)
{
//pdp_dpd_base_queue_wait(x);
pdp_3dp_base_free(x);
}
void *pdp_3d_snap_new(t_symbol *s, t_floatarg w, t_floatarg h)
{
t_pdp_3d_snap *x = (t_pdp_3d_snap *)pd_new(pdp_3d_snap_class);
/* super init */
pdp_3dp_base_init(x);
/* get destination template */
x->x_dest_template = (s == gensym("")) ? pdp_gensym("texture/*/*") : pdp_gensym(s->s_name);
x->x_is_texture = pdp_type_description_match(x->x_dest_template, pdp_gensym("texture/*/*"));
w = (w < 0) ? 0 : w;
h = (h < 0) ? 0 : h;
x->x_width = w;
x->x_height = h;
x->x_auto_snap = 1;
x->x_pending_snap = 1;
/* issue warning */
if (!x->x_is_texture && !(x->x_width && x->x_height)){
//post("WARNING: 3dp_snap: target is not a texture and dimensions are not set.");
//post("WARNING: using default image size 320x240.");
//x->x_width = 320;
//x->x_height = 240;
}
/* create outlets */
pdp_3dp_base_add_outlet(x, (t_pdp_method)snap_texture_process, (t_pdp_method)snap_callback);
x->x_result_outlet = outlet_new((t_object *)x, &s_anything);
/* init command list */
pdp_dpd_commandfactory_init(&x->x_cfact, sizeof(t_snap_command));
/* register command factory method */
pdp_dpd_base_register_command_factory_method(x, (t_pdp_newmethod)pdp_3d_snap_get_new_command);
return (void *)x;
}
#ifdef __cplusplus
extern "C"
{
#endif
void pdp_3d_snap_setup(void)
{
pdp_3d_snap_class = class_new(gensym("3dp_snap"), (t_newmethod)pdp_3d_snap_new,
(t_method)pdp_3d_snap_free, sizeof(t_pdp_3d_snap), 0, A_DEFSYMBOL, A_DEFFLOAT, A_DEFFLOAT, A_NULL);
pdp_3dp_base_setup(pdp_3d_snap_class);
class_addmethod(pdp_3d_snap_class, (t_method)pdp_3d_snap_snap, gensym("bang"), A_NULL);
class_addmethod(pdp_3d_snap_class, (t_method)pdp_3d_snap_autosnap, gensym("autosnap"), A_FLOAT, A_NULL);
}
#ifdef __cplusplus
}
#endif
|
