1 /*
2 * This program is free software; you can redistribute it and/or
3 * modify it under the terms of the GNU General Public License
4 * as published by the Free Software Foundation; either version 2
5 * of the License, or (at your option) any later version.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software Foundation,
14 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
15 *
16 * Copyright 2011, Blender Foundation.
17 */
18
19 #include "BLI_threads.h"
20
21 #include "BLT_translation.h"
22
23 #include "BKE_node.h"
24 #include "BKE_scene.h"
25
26 #include "COM_ExecutionSystem.h"
27 #include "COM_MovieDistortionOperation.h"
28 #include "COM_WorkScheduler.h"
29 #include "COM_compositor.h"
30 #include "clew.h"
31
32 static ThreadMutex s_compositorMutex;
33 static bool is_compositorMutex_init = false;
34
COM_execute(RenderData * rd,Scene * scene,bNodeTree * editingtree,int rendering,const ColorManagedViewSettings * viewSettings,const ColorManagedDisplaySettings * displaySettings,const char * viewName)35 void COM_execute(RenderData *rd,
36 Scene *scene,
37 bNodeTree *editingtree,
38 int rendering,
39 const ColorManagedViewSettings *viewSettings,
40 const ColorManagedDisplaySettings *displaySettings,
41 const char *viewName)
42 {
43 /* initialize mutex, TODO this mutex init is actually not thread safe and
44 * should be done somewhere as part of blender startup, all the other
45 * initializations can be done lazily */
46 if (is_compositorMutex_init == false) {
47 BLI_mutex_init(&s_compositorMutex);
48 is_compositorMutex_init = true;
49 }
50
51 BLI_mutex_lock(&s_compositorMutex);
52
53 if (editingtree->test_break(editingtree->tbh)) {
54 // during editing multiple calls to this method can be triggered.
55 // make sure one the last one will be doing the work.
56 BLI_mutex_unlock(&s_compositorMutex);
57 return;
58 }
59
60 /* Make sure node tree has previews.
61 * Don't create previews in advance, this is done when adding preview operations.
62 * Reserved preview size is determined by render output for now.
63 *
64 * We fit the aspect into COM_PREVIEW_SIZE x COM_PREVIEW_SIZE image to avoid
65 * insane preview resolution, which might even overflow preview dimensions.
66 */
67 const float aspect = rd->xsch > 0 ? (float)rd->ysch / (float)rd->xsch : 1.0f;
68 int preview_width, preview_height;
69 if (aspect < 1.0f) {
70 preview_width = COM_PREVIEW_SIZE;
71 preview_height = (int)(COM_PREVIEW_SIZE * aspect);
72 }
73 else {
74 preview_width = (int)(COM_PREVIEW_SIZE / aspect);
75 preview_height = COM_PREVIEW_SIZE;
76 }
77 BKE_node_preview_init_tree(editingtree, preview_width, preview_height, false);
78
79 /* initialize workscheduler, will check if already done. TODO deinitialize somewhere */
80 bool use_opencl = (editingtree->flag & NTREE_COM_OPENCL) != 0;
81 WorkScheduler::initialize(use_opencl, BKE_render_num_threads(rd));
82
83 /* set progress bar to 0% and status to init compositing */
84 editingtree->progress(editingtree->prh, 0.0);
85 editingtree->stats_draw(editingtree->sdh, IFACE_("Compositing"));
86
87 bool twopass = (editingtree->flag & NTREE_TWO_PASS) && !rendering;
88 /* initialize execution system */
89 if (twopass) {
90 ExecutionSystem *system = new ExecutionSystem(
91 rd, scene, editingtree, rendering, twopass, viewSettings, displaySettings, viewName);
92 system->execute();
93 delete system;
94
95 if (editingtree->test_break(editingtree->tbh)) {
96 // during editing multiple calls to this method can be triggered.
97 // make sure one the last one will be doing the work.
98 BLI_mutex_unlock(&s_compositorMutex);
99 return;
100 }
101 }
102
103 ExecutionSystem *system = new ExecutionSystem(
104 rd, scene, editingtree, rendering, false, viewSettings, displaySettings, viewName);
105 system->execute();
106 delete system;
107
108 BLI_mutex_unlock(&s_compositorMutex);
109 }
110
COM_deinitialize()111 void COM_deinitialize()
112 {
113 if (is_compositorMutex_init) {
114 BLI_mutex_lock(&s_compositorMutex);
115 WorkScheduler::deinitialize();
116 is_compositorMutex_init = false;
117 BLI_mutex_unlock(&s_compositorMutex);
118 BLI_mutex_end(&s_compositorMutex);
119 }
120 }
121