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
|
# SPDX-License-Identifier: Apache-2.0
# Copyright 2011-2022 Blender Foundation
from __future__ import annotations
bl_info = {
"name": "Cycles Render Engine",
"author": "",
"blender": (2, 80, 0),
"description": "Cycles renderer integration",
"warning": "",
"doc_url": "https://docs.blender.org/manual/en/latest/render/cycles/",
"tracker_url": "",
"support": 'OFFICIAL',
"category": "Render"}
# Support 'reload' case.
if "bpy" in locals():
import importlib
if "engine" in locals():
importlib.reload(engine)
if "version_update" in locals():
importlib.reload(version_update)
if "ui" in locals():
importlib.reload(ui)
if "operators" in locals():
importlib.reload(operators)
if "properties" in locals():
importlib.reload(properties)
if "presets" in locals():
importlib.reload(presets)
import bpy
from . import (
engine,
version_update,
)
class CyclesRender(bpy.types.RenderEngine):
bl_idname = 'CYCLES'
bl_label = "Cycles"
bl_use_eevee_viewport = True
bl_use_preview = True
bl_use_exclude_layers = True
bl_use_spherical_stereo = True
bl_use_custom_freestyle = True
bl_use_alembic_procedural = True
def __init__(self):
self.session = None
def __del__(self):
engine.free(self)
# final render
def update(self, data, depsgraph):
if not self.session:
if self.is_preview:
cscene = bpy.context.scene.cycles
use_osl = cscene.shading_system and cscene.device == 'CPU'
engine.create(self, data, preview_osl=use_osl)
else:
engine.create(self, data)
engine.reset(self, data, depsgraph)
def render(self, depsgraph):
engine.render(self, depsgraph)
def render_frame_finish(self):
engine.render_frame_finish(self)
def draw(self, context, depsgraph):
engine.draw(self, depsgraph, context.space_data)
def bake(self, depsgraph, obj, pass_type, pass_filter, width, height):
engine.bake(self, depsgraph, obj, pass_type, pass_filter, width, height)
# viewport render
def view_update(self, context, depsgraph):
if not self.session:
# When starting a new render session in viewport (by switching
# viewport to Rendered shading) unpause the render. The way to think
# of it is: artist requests render, so we start to render.
# Do it for both original and evaluated scene so that Cycles
# immediately reacts to un-paused render.
cscene = context.scene.cycles
cscene_eval = depsgraph.scene_eval.cycles
if cscene.preview_pause or cscene_eval.preview_pause:
cscene.preview_pause = False
cscene_eval.preview_pause = False
engine.create(self, context.blend_data,
context.region, context.space_data, context.region_data)
engine.reset(self, context.blend_data, depsgraph)
engine.sync(self, depsgraph, context.blend_data)
def view_draw(self, context, depsgraph):
engine.view_draw(self, depsgraph, context.region, context.space_data, context.region_data)
def update_script_node(self, node):
if engine.with_osl():
from . import osl
osl.update_script_node(node, self.report)
else:
self.report({'ERROR'}, "OSL support disabled in this build.")
def update_render_passes(self, scene, srl):
engine.register_passes(self, scene, srl)
def engine_exit():
engine.exit()
classes = (
CyclesRender,
)
def register():
from bpy.utils import register_class
from . import ui
from . import operators
from . import properties
from . import presets
import atexit
# Make sure we only registered the callback once.
atexit.unregister(engine_exit)
atexit.register(engine_exit)
engine.init()
properties.register()
ui.register()
operators.register()
presets.register()
for cls in classes:
register_class(cls)
bpy.app.handlers.version_update.append(version_update.do_versions)
def unregister():
from bpy.utils import unregister_class
from . import ui
from . import operators
from . import properties
from . import presets
import atexit
bpy.app.handlers.version_update.remove(version_update.do_versions)
ui.unregister()
operators.unregister()
properties.unregister()
presets.unregister()
for cls in classes:
unregister_class(cls)
|