586 lines
15 KiB
C++
586 lines
15 KiB
C++
/*
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* Copyright 2011-2013 Blender Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License
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*/
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#include <Python.h>
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#include "CCL_api.h"
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#include "blender_sync.h"
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#include "blender_session.h"
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#include "util_foreach.h"
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#include "util_md5.h"
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#include "util_opengl.h"
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#include "util_path.h"
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#ifdef WITH_OSL
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#include "osl.h"
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#include <OSL/oslquery.h>
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#include <OSL/oslconfig.h>
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#endif
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CCL_NAMESPACE_BEGIN
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static void *pylong_as_voidptr_typesafe(PyObject *object)
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{
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if(object == Py_None)
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return NULL;
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return PyLong_AsVoidPtr(object);
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}
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void python_thread_state_save(void **python_thread_state)
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{
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*python_thread_state = (void*)PyEval_SaveThread();
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}
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void python_thread_state_restore(void **python_thread_state)
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{
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PyEval_RestoreThread((PyThreadState*)*python_thread_state);
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*python_thread_state = NULL;
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}
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static PyObject *init_func(PyObject *self, PyObject *args)
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{
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const char *path, *user_path;
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if(!PyArg_ParseTuple(args, "ss", &path, &user_path))
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return NULL;
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path_init(path, user_path);
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Py_RETURN_NONE;
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}
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static PyObject *create_func(PyObject *self, PyObject *args)
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{
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PyObject *pyengine, *pyuserpref, *pydata, *pyscene, *pyregion, *pyv3d, *pyrv3d;
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int preview_osl;
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if(!PyArg_ParseTuple(args, "OOOOOOOi", &pyengine, &pyuserpref, &pydata, &pyscene, &pyregion, &pyv3d, &pyrv3d, &preview_osl))
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return NULL;
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/* RNA */
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PointerRNA engineptr;
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RNA_pointer_create(NULL, &RNA_RenderEngine, (void*)PyLong_AsVoidPtr(pyengine), &engineptr);
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BL::RenderEngine engine(engineptr);
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PointerRNA userprefptr;
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RNA_pointer_create(NULL, &RNA_UserPreferences, (void*)PyLong_AsVoidPtr(pyuserpref), &userprefptr);
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BL::UserPreferences userpref(userprefptr);
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PointerRNA dataptr;
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RNA_id_pointer_create((ID*)PyLong_AsVoidPtr(pydata), &dataptr);
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BL::BlendData data(dataptr);
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PointerRNA sceneptr;
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RNA_id_pointer_create((ID*)PyLong_AsVoidPtr(pyscene), &sceneptr);
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BL::Scene scene(sceneptr);
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PointerRNA regionptr;
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RNA_id_pointer_create((ID*)pylong_as_voidptr_typesafe(pyregion), ®ionptr);
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BL::Region region(regionptr);
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PointerRNA v3dptr;
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RNA_id_pointer_create((ID*)pylong_as_voidptr_typesafe(pyv3d), &v3dptr);
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BL::SpaceView3D v3d(v3dptr);
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PointerRNA rv3dptr;
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RNA_id_pointer_create((ID*)pylong_as_voidptr_typesafe(pyrv3d), &rv3dptr);
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BL::RegionView3D rv3d(rv3dptr);
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/* create session */
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BlenderSession *session;
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if(rv3d) {
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/* interactive viewport session */
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int width = region.width();
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int height = region.height();
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session = new BlenderSession(engine, userpref, data, scene, v3d, rv3d, width, height);
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}
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else {
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/* override some settings for preview */
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if(engine.is_preview()) {
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PointerRNA cscene = RNA_pointer_get(&sceneptr, "cycles");
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RNA_boolean_set(&cscene, "shading_system", preview_osl);
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RNA_boolean_set(&cscene, "use_progressive_refine", true);
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}
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/* offline session or preview render */
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session = new BlenderSession(engine, userpref, data, scene);
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}
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python_thread_state_save(&session->python_thread_state);
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session->create();
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python_thread_state_restore(&session->python_thread_state);
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return PyLong_FromVoidPtr(session);
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}
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static PyObject *free_func(PyObject *self, PyObject *value)
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{
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delete (BlenderSession*)PyLong_AsVoidPtr(value);
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Py_RETURN_NONE;
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}
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static PyObject *render_func(PyObject *self, PyObject *value)
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{
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BlenderSession *session = (BlenderSession*)PyLong_AsVoidPtr(value);
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python_thread_state_save(&session->python_thread_state);
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session->render();
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python_thread_state_restore(&session->python_thread_state);
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Py_RETURN_NONE;
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}
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/* pixel_array and result passed as pointers */
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static PyObject *bake_func(PyObject *self, PyObject *args)
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{
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PyObject *pysession, *pyobject;
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PyObject *pypixel_array, *pyresult;
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const char *pass_type;
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int num_pixels, depth;
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if(!PyArg_ParseTuple(args, "OOsOiiO", &pysession, &pyobject, &pass_type, &pypixel_array, &num_pixels, &depth, &pyresult))
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return NULL;
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BlenderSession *session = (BlenderSession*)PyLong_AsVoidPtr(pysession);
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PointerRNA objectptr;
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RNA_id_pointer_create((ID*)PyLong_AsVoidPtr(pyobject), &objectptr);
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BL::Object b_object(objectptr);
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void *b_result = PyLong_AsVoidPtr(pyresult);
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PointerRNA bakepixelptr;
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RNA_id_pointer_create((ID*)PyLong_AsVoidPtr(pypixel_array), &bakepixelptr);
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BL::BakePixel b_bake_pixel(bakepixelptr);
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python_thread_state_save(&session->python_thread_state);
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session->bake(b_object, pass_type, b_bake_pixel, num_pixels, depth, (float *)b_result);
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python_thread_state_restore(&session->python_thread_state);
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Py_RETURN_NONE;
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}
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static PyObject *draw_func(PyObject *self, PyObject *args)
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{
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PyObject *pysession, *pyv3d, *pyrv3d;
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if(!PyArg_ParseTuple(args, "OOO", &pysession, &pyv3d, &pyrv3d))
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return NULL;
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BlenderSession *session = (BlenderSession*)PyLong_AsVoidPtr(pysession);
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if(PyLong_AsVoidPtr(pyrv3d)) {
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/* 3d view drawing */
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int viewport[4];
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glGetIntegerv(GL_VIEWPORT, viewport);
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session->draw(viewport[2], viewport[3]);
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}
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Py_RETURN_NONE;
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}
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static PyObject *reset_func(PyObject *self, PyObject *args)
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{
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PyObject *pysession, *pydata, *pyscene;
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if(!PyArg_ParseTuple(args, "OOO", &pysession, &pydata, &pyscene))
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return NULL;
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BlenderSession *session = (BlenderSession*)PyLong_AsVoidPtr(pysession);
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PointerRNA dataptr;
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RNA_id_pointer_create((ID*)PyLong_AsVoidPtr(pydata), &dataptr);
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BL::BlendData b_data(dataptr);
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PointerRNA sceneptr;
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RNA_id_pointer_create((ID*)PyLong_AsVoidPtr(pyscene), &sceneptr);
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BL::Scene b_scene(sceneptr);
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python_thread_state_save(&session->python_thread_state);
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session->reset_session(b_data, b_scene);
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python_thread_state_restore(&session->python_thread_state);
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Py_RETURN_NONE;
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}
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static PyObject *sync_func(PyObject *self, PyObject *value)
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{
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BlenderSession *session = (BlenderSession*)PyLong_AsVoidPtr(value);
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python_thread_state_save(&session->python_thread_state);
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session->synchronize();
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python_thread_state_restore(&session->python_thread_state);
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Py_RETURN_NONE;
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}
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static PyObject *available_devices_func(PyObject *self, PyObject *args)
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{
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vector<DeviceInfo>& devices = Device::available_devices();
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PyObject *ret = PyTuple_New(devices.size());
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for(size_t i = 0; i < devices.size(); i++) {
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DeviceInfo& device = devices[i];
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PyTuple_SET_ITEM(ret, i, PyUnicode_FromString(device.description.c_str()));
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}
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return ret;
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}
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#ifdef WITH_OSL
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static PyObject *osl_update_node_func(PyObject *self, PyObject *args)
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{
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PyObject *pynodegroup, *pynode;
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const char *filepath = NULL;
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if(!PyArg_ParseTuple(args, "OOs", &pynodegroup, &pynode, &filepath))
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return NULL;
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/* RNA */
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PointerRNA nodeptr;
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RNA_pointer_create((ID*)PyLong_AsVoidPtr(pynodegroup), &RNA_ShaderNodeScript, (void*)PyLong_AsVoidPtr(pynode), &nodeptr);
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BL::ShaderNodeScript b_node(nodeptr);
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/* update bytecode hash */
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string bytecode = b_node.bytecode();
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if(!bytecode.empty()) {
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MD5Hash md5;
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md5.append((const uint8_t*)bytecode.c_str(), bytecode.size());
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b_node.bytecode_hash(md5.get_hex().c_str());
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}
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else
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b_node.bytecode_hash("");
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/* query from file path */
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OSL::OSLQuery query;
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if(!OSLShaderManager::osl_query(query, filepath))
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Py_RETURN_FALSE;
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/* add new sockets from parameters */
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set<void*> used_sockets;
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for(int i = 0; i < query.nparams(); i++) {
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const OSL::OSLQuery::Parameter *param = query.getparam(i);
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/* skip unsupported types */
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if(param->varlenarray || param->isstruct || param->type.arraylen > 1)
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continue;
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/* determine socket type */
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std::string socket_type;
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BL::NodeSocket::type_enum data_type = BL::NodeSocket::type_VALUE;
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float4 default_float4 = make_float4(0.0f, 0.0f, 0.0f, 1.0f);
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float default_float = 0.0f;
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int default_int = 0;
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std::string default_string = "";
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if(param->isclosure) {
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socket_type = "NodeSocketShader";
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data_type = BL::NodeSocket::type_SHADER;
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}
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else if(param->type.vecsemantics == TypeDesc::COLOR) {
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socket_type = "NodeSocketColor";
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data_type = BL::NodeSocket::type_RGBA;
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if(param->validdefault) {
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default_float4[0] = param->fdefault[0];
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default_float4[1] = param->fdefault[1];
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default_float4[2] = param->fdefault[2];
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}
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}
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else if(param->type.vecsemantics == TypeDesc::POINT ||
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param->type.vecsemantics == TypeDesc::VECTOR ||
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param->type.vecsemantics == TypeDesc::NORMAL)
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{
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socket_type = "NodeSocketVector";
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data_type = BL::NodeSocket::type_VECTOR;
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if(param->validdefault) {
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default_float4[0] = param->fdefault[0];
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default_float4[1] = param->fdefault[1];
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default_float4[2] = param->fdefault[2];
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}
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}
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else if(param->type.aggregate == TypeDesc::SCALAR) {
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if(param->type.basetype == TypeDesc::INT) {
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socket_type = "NodeSocketInt";
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data_type = BL::NodeSocket::type_INT;
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if(param->validdefault)
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default_int = param->idefault[0];
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}
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else if(param->type.basetype == TypeDesc::FLOAT) {
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socket_type = "NodeSocketFloat";
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data_type = BL::NodeSocket::type_VALUE;
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if(param->validdefault)
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default_float = param->fdefault[0];
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}
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else if(param->type.basetype == TypeDesc::STRING) {
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socket_type = "NodeSocketString";
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data_type = BL::NodeSocket::type_STRING;
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if(param->validdefault)
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default_string = param->sdefault[0];
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}
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else
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continue;
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}
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else
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continue;
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/* find socket socket */
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BL::NodeSocket b_sock(PointerRNA_NULL);
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if (param->isoutput) {
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b_sock = b_node.outputs[param->name];
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/* remove if type no longer matches */
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if(b_sock && b_sock.bl_idname() != socket_type) {
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b_node.outputs.remove(b_sock);
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b_sock = BL::NodeSocket(PointerRNA_NULL);
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}
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}
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else {
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b_sock = b_node.inputs[param->name];
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/* remove if type no longer matches */
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if(b_sock && b_sock.bl_idname() != socket_type) {
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b_node.inputs.remove(b_sock);
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b_sock = BL::NodeSocket(PointerRNA_NULL);
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}
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}
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if(!b_sock) {
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/* create new socket */
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if(param->isoutput)
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b_sock = b_node.outputs.create(socket_type.c_str(), param->name.c_str(), param->name.c_str());
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else
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b_sock = b_node.inputs.create(socket_type.c_str(), param->name.c_str(), param->name.c_str());
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/* set default value */
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if(data_type == BL::NodeSocket::type_VALUE) {
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set_float(b_sock.ptr, "default_value", default_float);
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}
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else if(data_type == BL::NodeSocket::type_INT) {
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set_int(b_sock.ptr, "default_value", default_int);
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}
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else if(data_type == BL::NodeSocket::type_RGBA) {
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set_float4(b_sock.ptr, "default_value", default_float4);
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}
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else if(data_type == BL::NodeSocket::type_VECTOR) {
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set_float3(b_sock.ptr, "default_value", float4_to_float3(default_float4));
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}
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else if(data_type == BL::NodeSocket::type_STRING) {
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set_string(b_sock.ptr, "default_value", default_string);
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}
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}
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used_sockets.insert(b_sock.ptr.data);
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}
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/* remove unused parameters */
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bool removed;
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do {
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BL::Node::inputs_iterator b_input;
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BL::Node::outputs_iterator b_output;
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removed = false;
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for (b_node.inputs.begin(b_input); b_input != b_node.inputs.end(); ++b_input) {
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if(used_sockets.find(b_input->ptr.data) == used_sockets.end()) {
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b_node.inputs.remove(*b_input);
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removed = true;
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break;
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}
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}
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for (b_node.outputs.begin(b_output); b_output != b_node.outputs.end(); ++b_output) {
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if(used_sockets.find(b_output->ptr.data) == used_sockets.end()) {
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b_node.outputs.remove(*b_output);
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removed = true;
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break;
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}
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}
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} while(removed);
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Py_RETURN_TRUE;
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}
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static PyObject *osl_compile_func(PyObject *self, PyObject *args)
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{
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const char *inputfile = NULL, *outputfile = NULL;
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if(!PyArg_ParseTuple(args, "ss", &inputfile, &outputfile))
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return NULL;
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/* return */
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if(!OSLShaderManager::osl_compile(inputfile, outputfile))
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Py_RETURN_FALSE;
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Py_RETURN_TRUE;
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}
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#endif
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static PyMethodDef methods[] = {
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{"init", init_func, METH_VARARGS, ""},
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{"create", create_func, METH_VARARGS, ""},
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{"free", free_func, METH_O, ""},
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{"render", render_func, METH_O, ""},
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{"bake", bake_func, METH_VARARGS, ""},
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{"draw", draw_func, METH_VARARGS, ""},
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{"sync", sync_func, METH_O, ""},
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{"reset", reset_func, METH_VARARGS, ""},
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#ifdef WITH_OSL
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{"osl_update_node", osl_update_node_func, METH_VARARGS, ""},
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{"osl_compile", osl_compile_func, METH_VARARGS, ""},
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#endif
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{"available_devices", available_devices_func, METH_NOARGS, ""},
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{NULL, NULL, 0, NULL},
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};
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static struct PyModuleDef module = {
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PyModuleDef_HEAD_INIT,
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"_cycles",
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"Blender cycles render integration",
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-1,
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methods,
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NULL, NULL, NULL, NULL
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};
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static CCLDeviceInfo *compute_device_list(DeviceType type)
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{
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/* device list stored static */
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static ccl::vector<CCLDeviceInfo> device_list;
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static ccl::DeviceType device_type = DEVICE_NONE;
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/* create device list if it's not already done */
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if(type != device_type) {
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ccl::vector<DeviceInfo>& devices = ccl::Device::available_devices();
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device_type = type;
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device_list.clear();
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/* add devices */
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int i = 0;
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foreach(DeviceInfo& info, devices) {
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if(info.type == type ||
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(info.type == DEVICE_MULTI && info.multi_devices[0].type == type))
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{
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CCLDeviceInfo cinfo;
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strncpy(cinfo.identifier, info.id.c_str(), sizeof(cinfo.identifier));
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cinfo.identifier[info.id.length()] = '\0';
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strncpy(cinfo.name, info.description.c_str(), sizeof(cinfo.name));
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cinfo.name[info.description.length()] = '\0';
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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
|
|
/* TODO(sergey): This gives us library we've been linking against.
|
|
* In theory with dynamic OSL library it might not be
|
|
* accurate, but there's nothing in OSL API which we
|
|
* might use to get version in runtime.
|
|
*/
|
|
int curversion = OSL_LIBRARY_VERSION_CODE;
|
|
PyModule_AddObject(mod, "with_osl", Py_True);
|
|
Py_INCREF(Py_True);
|
|
PyModule_AddObject(mod, "osl_version",
|
|
Py_BuildValue("(iii)",
|
|
curversion / 10000, (curversion / 100) % 100, curversion % 100));
|
|
PyModule_AddObject(mod, "osl_version_string",
|
|
PyUnicode_FromFormat("%2d, %2d, %2d",
|
|
curversion / 10000, (curversion / 100) % 100, curversion % 100));
|
|
#else
|
|
PyModule_AddObject(mod, "with_osl", Py_False);
|
|
Py_INCREF(Py_False);
|
|
PyModule_AddStringConstant(mod, "osl_version", "unknown");
|
|
PyModule_AddStringConstant(mod, "osl_version_string", "unknown");
|
|
#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);
|
|
}
|
|
|