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
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
|
/*
* Copyright 2011-2013 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
#include <Python.h>
#include "CCL_api.h"
#include "blender_sync.h"
#include "blender_session.h"
#include "util_foreach.h"
#include "util_md5.h"
#include "util_opengl.h"
#include "util_path.h"
#ifdef WITH_OSL
#include "osl.h"
#include <OSL/oslquery.h>
#include <OSL/oslconfig.h>
#endif
CCL_NAMESPACE_BEGIN
static PyObject *init_func(PyObject *self, PyObject *args)
{
const char *path, *user_path;
if(!PyArg_ParseTuple(args, "ss", &path, &user_path))
return NULL;
path_init(path, user_path);
Py_RETURN_NONE;
}
static PyObject *create_func(PyObject *self, PyObject *args)
{
PyObject *pyengine, *pyuserpref, *pydata, *pyscene, *pyregion, *pyv3d, *pyrv3d;
int preview_osl;
if(!PyArg_ParseTuple(args, "OOOOOOOi", &pyengine, &pyuserpref, &pydata, &pyscene, &pyregion, &pyv3d, &pyrv3d, &preview_osl))
return NULL;
/* RNA */
PointerRNA engineptr;
RNA_pointer_create(NULL, &RNA_RenderEngine, (void*)PyLong_AsVoidPtr(pyengine), &engineptr);
BL::RenderEngine engine(engineptr);
PointerRNA userprefptr;
RNA_pointer_create(NULL, &RNA_UserPreferences, (void*)PyLong_AsVoidPtr(pyuserpref), &userprefptr);
BL::UserPreferences userpref(userprefptr);
PointerRNA dataptr;
RNA_id_pointer_create((ID*)PyLong_AsVoidPtr(pydata), &dataptr);
BL::BlendData data(dataptr);
PointerRNA sceneptr;
RNA_id_pointer_create((ID*)PyLong_AsVoidPtr(pyscene), &sceneptr);
BL::Scene scene(sceneptr);
PointerRNA regionptr;
RNA_id_pointer_create((ID*)PyLong_AsVoidPtr(pyregion), ®ionptr);
BL::Region region(regionptr);
PointerRNA v3dptr;
RNA_id_pointer_create((ID*)PyLong_AsVoidPtr(pyv3d), &v3dptr);
BL::SpaceView3D v3d(v3dptr);
PointerRNA rv3dptr;
RNA_id_pointer_create((ID*)PyLong_AsVoidPtr(pyrv3d), &rv3dptr);
BL::RegionView3D rv3d(rv3dptr);
/* create session */
BlenderSession *session;
Py_BEGIN_ALLOW_THREADS
if(rv3d) {
/* interactive viewport session */
int width = region.width();
int height = region.height();
session = new BlenderSession(engine, userpref, data, scene, v3d, rv3d, width, height);
}
else {
/* override some settings for preview */
if(engine.is_preview()) {
PointerRNA cscene = RNA_pointer_get(&sceneptr, "cycles");
RNA_boolean_set(&cscene, "shading_system", preview_osl);
RNA_boolean_set(&cscene, "use_progressive_refine", true);
}
/* offline session or preview render */
session = new BlenderSession(engine, userpref, data, scene);
}
Py_END_ALLOW_THREADS
return PyLong_FromVoidPtr(session);
}
static PyObject *free_func(PyObject *self, PyObject *value)
{
delete (BlenderSession*)PyLong_AsVoidPtr(value);
Py_RETURN_NONE;
}
static PyObject *render_func(PyObject *self, PyObject *value)
{
Py_BEGIN_ALLOW_THREADS
BlenderSession *session = (BlenderSession*)PyLong_AsVoidPtr(value);
session->render();
Py_END_ALLOW_THREADS
Py_RETURN_NONE;
}
static PyObject *draw_func(PyObject *self, PyObject *args)
{
PyObject *pysession, *pyv3d, *pyrv3d;
if(!PyArg_ParseTuple(args, "OOO", &pysession, &pyv3d, &pyrv3d))
return NULL;
BlenderSession *session = (BlenderSession*)PyLong_AsVoidPtr(pysession);
if(PyLong_AsVoidPtr(pyrv3d)) {
/* 3d view drawing */
int viewport[4];
glGetIntegerv(GL_VIEWPORT, viewport);
session->draw(viewport[2], viewport[3]);
}
Py_RETURN_NONE;
}
static PyObject *reset_func(PyObject *self, PyObject *args)
{
PyObject *pysession, *pydata, *pyscene;
if(!PyArg_ParseTuple(args, "OOO", &pysession, &pydata, &pyscene))
return NULL;
BlenderSession *session = (BlenderSession*)PyLong_AsVoidPtr(pysession);
PointerRNA dataptr;
RNA_id_pointer_create((ID*)PyLong_AsVoidPtr(pydata), &dataptr);
BL::BlendData b_data(dataptr);
PointerRNA sceneptr;
RNA_id_pointer_create((ID*)PyLong_AsVoidPtr(pyscene), &sceneptr);
BL::Scene b_scene(sceneptr);
Py_BEGIN_ALLOW_THREADS
session->reset_session(b_data, b_scene);
Py_END_ALLOW_THREADS
Py_RETURN_NONE;
}
static PyObject *sync_func(PyObject *self, PyObject *value)
{
Py_BEGIN_ALLOW_THREADS
BlenderSession *session = (BlenderSession*)PyLong_AsVoidPtr(value);
session->synchronize();
Py_END_ALLOW_THREADS
Py_RETURN_NONE;
}
static PyObject *available_devices_func(PyObject *self, PyObject *args)
{
vector<DeviceInfo>& devices = Device::available_devices();
PyObject *ret = PyTuple_New(devices.size());
for(size_t i = 0; i < devices.size(); i++) {
DeviceInfo& device = devices[i];
PyTuple_SET_ITEM(ret, i, PyUnicode_FromString(device.description.c_str()));
}
return ret;
}
#ifdef WITH_OSL
static PyObject *osl_update_node_func(PyObject *self, PyObject *args)
{
PyObject *pynodegroup, *pynode;
const char *filepath = NULL;
if(!PyArg_ParseTuple(args, "OOs", &pynodegroup, &pynode, &filepath))
return NULL;
/* RNA */
PointerRNA nodeptr;
RNA_pointer_create((ID*)PyLong_AsVoidPtr(pynodegroup), &RNA_ShaderNodeScript, (void*)PyLong_AsVoidPtr(pynode), &nodeptr);
BL::ShaderNodeScript b_node(nodeptr);
/* update bytecode hash */
string bytecode = b_node.bytecode();
if(!bytecode.empty()) {
MD5Hash md5;
md5.append((const uint8_t*)bytecode.c_str(), bytecode.size());
b_node.bytecode_hash(md5.get_hex().c_str());
}
else
b_node.bytecode_hash("");
/* query from file path */
OSL::OSLQuery query;
if(!OSLShaderManager::osl_query(query, filepath))
Py_RETURN_FALSE;
/* add new sockets from parameters */
set<void*> used_sockets;
for(int i = 0; i < query.nparams(); i++) {
const OSL::OSLQuery::Parameter *param = query.getparam(i);
/* skip unsupported types */
if(param->varlenarray || param->isstruct || param->type.arraylen > 1)
continue;
/* determine socket type */
std::string socket_type;
BL::NodeSocket::type_enum data_type = BL::NodeSocket::type_VALUE;
float4 default_float4 = make_float4(0.0f, 0.0f, 0.0f, 1.0f);
float default_float = 0.0f;
int default_int = 0;
std::string default_string = "";
if(param->isclosure) {
socket_type = "NodeSocketShader";
data_type = BL::NodeSocket::type_SHADER;
}
else if(param->type.vecsemantics == TypeDesc::COLOR) {
socket_type = "NodeSocketColor";
data_type = BL::NodeSocket::type_RGBA;
if(param->validdefault) {
default_float4[0] = param->fdefault[0];
default_float4[1] = param->fdefault[1];
default_float4[2] = param->fdefault[2];
}
}
else if(param->type.vecsemantics == TypeDesc::POINT ||
param->type.vecsemantics == TypeDesc::VECTOR ||
param->type.vecsemantics == TypeDesc::NORMAL) {
socket_type = "NodeSocketVector";
data_type = BL::NodeSocket::type_VECTOR;
if(param->validdefault) {
default_float4[0] = param->fdefault[0];
default_float4[1] = param->fdefault[1];
default_float4[2] = param->fdefault[2];
}
}
else if(param->type.aggregate == TypeDesc::SCALAR) {
if(param->type.basetype == TypeDesc::INT) {
socket_type = "NodeSocketInt";
data_type = BL::NodeSocket::type_INT;
if(param->validdefault)
default_int = param->idefault[0];
}
else if(param->type.basetype == TypeDesc::FLOAT) {
socket_type = "NodeSocketFloat";
data_type = BL::NodeSocket::type_VALUE;
if(param->validdefault)
default_float = param->fdefault[0];
}
else if(param->type.basetype == TypeDesc::STRING) {
socket_type = "NodeSocketString";
data_type = BL::NodeSocket::type_STRING;
if(param->validdefault)
default_string = param->sdefault[0];
}
else
continue;
}
else
continue;
/* find socket socket */
BL::NodeSocket b_sock(PointerRNA_NULL);
if (param->isoutput) {
b_sock = b_node.outputs[param->name];
/* remove if type no longer matches */
if(b_sock && b_sock.bl_idname() != socket_type) {
b_node.outputs.remove(b_sock);
b_sock = BL::NodeSocket(PointerRNA_NULL);
}
}
else {
b_sock = b_node.inputs[param->name];
/* remove if type no longer matches */
if(b_sock && b_sock.bl_idname() != socket_type) {
b_node.inputs.remove(b_sock);
b_sock = BL::NodeSocket(PointerRNA_NULL);
}
}
if(!b_sock) {
/* create new socket */
if(param->isoutput)
b_sock = b_node.outputs.create(socket_type.c_str(), param->name.c_str(), param->name.c_str());
else
b_sock = b_node.inputs.create(socket_type.c_str(), param->name.c_str(), param->name.c_str());
/* set default value */
if(data_type == BL::NodeSocket::type_VALUE) {
set_float(b_sock.ptr, "default_value", default_float);
}
else if(data_type == BL::NodeSocket::type_INT) {
set_int(b_sock.ptr, "default_value", default_int);
}
else if(data_type == BL::NodeSocket::type_RGBA) {
set_float4(b_sock.ptr, "default_value", default_float4);
}
else if(data_type == BL::NodeSocket::type_VECTOR) {
set_float3(b_sock.ptr, "default_value", float4_to_float3(default_float4));
}
else if(data_type == BL::NodeSocket::type_STRING) {
set_string(b_sock.ptr, "default_value", default_string);
}
}
used_sockets.insert(b_sock.ptr.data);
}
/* remove unused parameters */
bool removed;
do {
BL::Node::inputs_iterator b_input;
BL::Node::outputs_iterator b_output;
removed = false;
for (b_node.inputs.begin(b_input); b_input != b_node.inputs.end(); ++b_input) {
if(used_sockets.find(b_input->ptr.data) == used_sockets.end()) {
b_node.inputs.remove(*b_input);
removed = true;
break;
}
}
for (b_node.outputs.begin(b_output); b_output != b_node.outputs.end(); ++b_output) {
if(used_sockets.find(b_output->ptr.data) == used_sockets.end()) {
b_node.outputs.remove(*b_output);
removed = true;
break;
}
}
} while(removed);
Py_RETURN_TRUE;
}
static PyObject *osl_compile_func(PyObject *self, PyObject *args)
{
const char *inputfile = NULL, *outputfile = NULL;
if(!PyArg_ParseTuple(args, "ss", &inputfile, &outputfile))
return NULL;
/* return */
if(!OSLShaderManager::osl_compile(inputfile, outputfile))
Py_RETURN_FALSE;
Py_RETURN_TRUE;
}
#endif
static PyMethodDef methods[] = {
{"init", init_func, METH_VARARGS, ""},
{"create", create_func, METH_VARARGS, ""},
{"free", free_func, METH_O, ""},
{"render", render_func, METH_O, ""},
{"draw", draw_func, METH_VARARGS, ""},
{"sync", sync_func, METH_O, ""},
{"reset", reset_func, METH_VARARGS, ""},
#ifdef WITH_OSL
{"osl_update_node", osl_update_node_func, METH_VARARGS, ""},
{"osl_compile", osl_compile_func, METH_VARARGS, ""},
#endif
{"available_devices", available_devices_func, METH_NOARGS, ""},
{NULL, NULL, 0, NULL},
};
static struct PyModuleDef module = {
PyModuleDef_HEAD_INIT,
"_cycles",
"Blender cycles render integration",
-1,
methods,
NULL, NULL, NULL, NULL
};
static CCLDeviceInfo *compute_device_list(DeviceType type)
{
/* device list stored static */
static ccl::vector<CCLDeviceInfo> device_list;
static ccl::DeviceType device_type = DEVICE_NONE;
/* create device list if it's not already done */
if(type != device_type) {
ccl::vector<DeviceInfo>& devices = ccl::Device::available_devices();
device_type = type;
device_list.clear();
/* add devices */
int i = 0;
foreach(DeviceInfo& info, devices) {
if(info.type == type ||
(info.type == DEVICE_MULTI && info.multi_devices[0].type == type))
{
CCLDeviceInfo cinfo;
strncpy(cinfo.identifier, info.id.c_str(), sizeof(cinfo.identifier));
cinfo.identifier[info.id.length()] = '\0';
strncpy(cinfo.name, info.description.c_str(), sizeof(cinfo.name));
cinfo.name[info.description.length()] = '\0';
cinfo.value = i++;
device_list.push_back(cinfo);
}
}
/* null terminate */
if(!device_list.empty()) {
CCLDeviceInfo cinfo = {"", "", 0};
device_list.push_back(cinfo);
}
}
return (device_list.empty())? NULL: &device_list[0];
}
CCL_NAMESPACE_END
void *CCL_python_module_init()
{
PyObject *mod = PyModule_Create(&ccl::module);
#ifdef WITH_OSL
PyModule_AddObject(mod, "with_osl", Py_True);
Py_INCREF(Py_True);
#else
PyModule_AddObject(mod, "with_osl", Py_False);
Py_INCREF(Py_False);
#endif
#ifdef WITH_NETWORK
PyModule_AddObject(mod, "with_network", Py_True);
Py_INCREF(Py_True);
#else /* WITH_NETWORK */
PyModule_AddObject(mod, "with_network", Py_False);
Py_INCREF(Py_False);
#endif /* WITH_NETWORK */
return (void*)mod;
}
CCLDeviceInfo *CCL_compute_device_list(int device_type)
{
ccl::DeviceType type;
switch(device_type) {
case 0:
type = ccl::DEVICE_CUDA;
break;
case 1:
type = ccl::DEVICE_OPENCL;
break;
case 2:
type = ccl::DEVICE_NETWORK;
break;
default:
type = ccl::DEVICE_NONE;
break;
}
return ccl::compute_device_list(type);
}
|