Initial commit. Not in build system so shouldn't interfere with anything at this...
[blender-staging.git] / source / blender / nodes / intern / CMP_nodes / CMP_composite.c
1 /**
2  * $Id$
3  *
4  * ***** BEGIN GPL LICENSE BLOCK *****
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 2
9  * of the License, or (at your option) any later version. 
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software Foundation,
18  * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
19  *
20  * The Original Code is Copyright (C) 2006 Blender Foundation.
21  * All rights reserved.
22  *
23  * The Original Code is: all of this file.
24  *
25  * Contributor(s): none yet.
26  *
27  * ***** END GPL LICENSE BLOCK *****
28  */
29
30 #include "../CMP_util.h"
31
32
33
34 /* **************** COMPOSITE ******************** */
35 static bNodeSocketType cmp_node_composite_in[]= {
36         {       SOCK_RGBA, 1, "Image",          0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f},
37         {       SOCK_VALUE, 1, "Alpha",         1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f},
38         {       SOCK_VALUE, 1, "Z",                     1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f},
39         {       -1, 0, ""       }
40 };
41
42 /* applies to render pipeline */
43 static void node_composit_exec_composite(void *data, bNode *node, bNodeStack **in, bNodeStack **out)
44 {
45         /* image assigned to output */
46         /* stack order input sockets: col, alpha, z */
47         
48         if(node->flag & NODE_DO_OUTPUT) {       /* only one works on out */
49                 RenderData *rd= data;
50                 if(rd->scemode & R_DOCOMP) {
51                         RenderResult *rr= RE_GetResult(RE_GetRender(G.scene->id.name)); /* G.scene is WEAK! */
52                         if(rr) {
53                                 CompBuf *outbuf, *zbuf=NULL;
54                                 
55                                 if(rr->rectf) 
56                                         MEM_freeN(rr->rectf);
57                                 outbuf= alloc_compbuf(rr->rectx, rr->recty, CB_RGBA, 1);
58                                 
59                                 if(in[1]->data==NULL)
60                                         composit1_pixel_processor(node, outbuf, in[0]->data, in[0]->vec, do_copy_rgba, CB_RGBA);
61                                 else
62                                         composit2_pixel_processor(node, outbuf, in[0]->data, in[0]->vec, in[1]->data, in[1]->vec, do_copy_a_rgba, CB_RGBA, CB_VAL);
63                                 
64                                 if(in[2]->data) {
65                                         if(rr->rectz) 
66                                                 MEM_freeN(rr->rectz);
67                                         zbuf= alloc_compbuf(rr->rectx, rr->recty, CB_VAL, 1);
68                                         composit1_pixel_processor(node, zbuf, in[2]->data, in[2]->vec, do_copy_value, CB_VAL);
69                                         rr->rectz= zbuf->rect;
70                                         zbuf->malloc= 0;
71                                         free_compbuf(zbuf);
72                                 }
73                                 generate_preview(node, outbuf);
74                                 
75                                 /* we give outbuf to rr... */
76                                 rr->rectf= outbuf->rect;
77                                 outbuf->malloc= 0;
78                                 free_compbuf(outbuf);
79                                 
80                                 /* signal for imageviewer to refresh (it converts to byte rects...) */
81                                 BKE_image_signal(BKE_image_verify_viewer(IMA_TYPE_R_RESULT, "Render Result"), NULL, IMA_SIGNAL_FREE);
82                                 return;
83                         }
84                 }
85         }
86         if(in[0]->data)
87                 generate_preview(node, in[0]->data);
88 }
89
90 bNodeType cmp_node_composite= {
91         /* type code   */       CMP_NODE_COMPOSITE,
92         /* name        */       "Composite",
93         /* width+range */       80, 60, 200,
94         /* class+opts  */       NODE_CLASS_OUTPUT, NODE_PREVIEW,
95         /* input sock  */       cmp_node_composite_in,
96         /* output sock */       NULL,
97         /* storage     */       "",
98         /* execfunc    */       node_composit_exec_composite,
99    /* butfunc     */ NULL
100 };