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# 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)
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