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rman_render.py
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rman_render.py
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import time
import os
import rman
import bpy
import sys
from .rman_constants import RFB_VIEWPORT_MAX_BUCKETS, RMAN_RENDERMAN_BLUE
from .rman_scene import RmanScene
from .rman_scene_sync import RmanSceneSync
from. import rman_spool
from. import chatserver
from .rfb_logger import rfb_log
import socketserver
import threading
import subprocess
import ctypes
# for viewport buckets
import gpu
from gpu_extras.batch import batch_for_shader
# utils
from .rfb_utils.envconfig_utils import envconfig
from .rfb_utils import string_utils
from .rfb_utils import display_utils
from .rfb_utils import scene_utils
from .rfb_utils.prefs_utils import get_pref
# config
from .rman_config import __RFB_CONFIG_DICT__ as rfb_config
# roz stats
from .rman_stats import RfBStatsManager
__RMAN_RENDER__ = None
__RMAN_IT_PORT__ = -1
__BLENDER_DSPY_PLUGIN__ = None
__DRAW_THREAD__ = None
__RMAN_STATS_THREAD__ = None
def __turn_off_viewport__():
'''
Loop through all of the windows/areas and turn shading to SOLID
for all view_3d areas.
'''
rfb_log().debug("Attempting to turn off viewport render")
for window in bpy.context.window_manager.windows:
for area in window.screen.areas:
if area.type == 'VIEW_3D':
for space in area.spaces:
if space.type == 'VIEW_3D':
space.shading.type = 'SOLID'
area.tag_redraw()
def __any_areas_shading():
'''
Loop through all of the windows/areas and return True if any of
the view_3d areas have their shading set to RENDERED. Otherwise,
return False.
'''
for window in bpy.context.window_manager.windows:
for area in window.screen.areas:
if area.type == 'VIEW_3D':
for space in area.spaces:
if space.type == 'VIEW_3D' and space.shading.type == 'RENDERED':
return True
return False
def __update_areas__():
for window in bpy.context.window_manager.windows:
for area in window.screen.areas:
area.tag_redraw()
class ItHandler(chatserver.ItBaseHandler):
def dspyRender(self):
global __RMAN_RENDER__
if not __RMAN_RENDER__.is_running:
bpy.ops.render.render(layer=bpy.context.view_layer.name)
def dspyIPR(self):
global __RMAN_RENDER__
if __RMAN_RENDER__.rman_interactive_running:
crop = []
for c in self.msg.getOpt('crop').split(' '):
crop.append(float(c))
if len(crop) == 4:
__RMAN_RENDER__.rman_scene_sync.update_cropwindow(crop)
def stopRender(self):
global __RMAN_RENDER__
rfb_log().debug("Stop Render Requested.")
if __RMAN_RENDER__.rman_interactive_running:
__turn_off_viewport__()
__RMAN_RENDER__.stop_render()
def selectObjectById(self):
global __RMAN_RENDER__
obj_id = int(self.msg.getOpt('id', '0'))
if obj_id < 0 or not (obj_id in __RMAN_RENDER__.rman_scene.obj_hash):
return
name = __RMAN_RENDER__.rman_scene.obj_hash[obj_id]
rfb_log().debug('ID: %d Obj Name: %s' % (obj_id, name))
obj = bpy.context.scene.objects[name]
if obj:
if bpy.context.view_layer.objects.active:
bpy.context.view_layer.objects.active.select_set(False)
obj.select_set(True)
bpy.context.view_layer.objects.active = obj
def selectSurfaceById(self):
self.selectObjectById()
window = bpy.context.window_manager.windows[0]
if window.screen:
for a in window.screen.areas:
if a.type == "PROPERTIES":
for s in a.spaces:
if s.type == "PROPERTIES":
try:
s.context = "MATERIAL"
except:
pass
return
def start_cmd_server():
global __RMAN_IT_PORT__
if __RMAN_IT_PORT__ != -1:
return __RMAN_IT_PORT__
# zero port makes the OS pick one
host, port = "localhost", 0
# install handler
chatserver.protocols['it'] = ItHandler
# Create the server, binding to localhost on some port
server = socketserver.TCPServer((host, port),
chatserver.CommandHandler)
ip, port = server.server_address
thread = threading.Thread(target=server.serve_forever)
# Exit the server thread when the main thread terminates
thread.daemon = True
thread.start()
__RMAN_IT_PORT__ = port
return __RMAN_IT_PORT__
def draw_threading_func(db):
refresh_rate = get_pref('rman_viewport_refresh_rate', default=0.01)
while db.rman_is_live_rendering:
if not __any_areas_shading():
# if there are no 3d viewports, stop IPR
db.rman_is_live_rendering = False
db.stop_render(stop_draw_thread=False)
try:
db.bl_engine.tag_redraw()
time.sleep(refresh_rate)
except ReferenceError as e:
# calling tag_redraw has failed. This might mean
# that there are no more view_3d areas that are shading. Try to
# stop IPR.
rfb_log().debug("Error calling tag_redraw (%s). Aborting..." % str(e))
db.rman_is_live_rendering = False
db.stop_render(stop_draw_thread=False)
return
def call_stats_update_payloads(db):
panel_region = None
# find the region where the live stats panel is in
for window in bpy.context.window_manager.windows:
for area in window.screen.areas:
if area.type == 'VIEW_3D':
for region in area.regions:
if region.type == 'UI':
panel_region = region
break
while db.rman_running:
db.stats_mgr.update_payloads()
panel_region.tag_redraw()
time.sleep(0.01)
def progress_cb(e, d, db):
if not db.stats_mgr.is_connected():
# set the progress in stats_mgr
# we can at least get progress from the event callback
# in case the stats listener is not connected
db.stats_mgr._progress = int(d)
if db.rman_is_live_rendering and int(d) == 100:
db.rman_is_live_rendering = False
def bake_progress_cb(e, d, db):
if not db.stats_mgr.is_connected():
db.stats_mgr._progress = int(d)
def render_cb(e, d, db):
if d == 0:
rfb_log().debug("RenderMan has exited.")
if db.rman_is_live_rendering:
db.rman_is_live_rendering = False
def preload_xpu():
"""On linux there is a problem with std::call_once and
blender, by default, being linked with a static libstdc++.
The loader seems to not be able to get the right tls key
for the __once_call global when libprman loads libxpu. By preloading
we end up calling the proxy in the blender executable and
that works.
Returns:
ctypes.CDLL of xpu or None if that fails. None if not on linux
"""
if sys.platform != 'linux':
return None
tree = envconfig().rmantree
xpu_path = os.path.join(tree, 'lib', 'libxpu.so')
try:
xpu = ctypes.CDLL(xpu_path)
return xpu
except OSError as error:
rfb_log().debug('Failed to preload xpu: {0}'.format(error))
return None
class RmanRender(object):
'''
RmanRender class. This class is responsible for starting and stopping
the renderer. There should only be one instance of this class per session.
Do not create an instance of this class directly. Use RmanRender.get_rman_render()
'''
def __init__(self):
global __RMAN_RENDER__
self.rictl = rman.RiCtl.Get()
self.sgmngr = rman.SGManager.Get()
self.rman = rman
self.sg_scene = None
self.rman_scene = RmanScene(rman_render=self)
self.rman_scene_sync = RmanSceneSync(rman_render=self, rman_scene=self.rman_scene)
self.bl_engine = None
self.rman_running = False
self.rman_is_exporting = False
self.rman_interactive_running = False
self.rman_swatch_render_running = False
self.rman_is_live_rendering = False
self.rman_is_viewport_rendering = False
self.rman_render_into = 'blender'
self.it_port = -1
self.rman_callbacks = dict()
self.viewport_res_x = -1
self.viewport_res_y = -1
self.viewport_buckets = list()
self._draw_viewport_buckets = False
self.stats_mgr = RfBStatsManager(self)
self._start_prman_begin()
# hold onto this or python will unload it
self.preload_xpu = preload_xpu()
@classmethod
def get_rman_render(self):
global __RMAN_RENDER__
if __RMAN_RENDER__ is None:
__RMAN_RENDER__ = RmanRender()
return __RMAN_RENDER__
@property
def bl_engine(self):
return self.__bl_engine
@bl_engine.setter
def bl_engine(self, bl_engine):
self.__bl_engine = bl_engine
def _start_prman_begin(self):
argv = []
argv.append("prman")
argv.append("-progress")
argv.append("-dspyserver")
argv.append("%s" % envconfig().rman_it_path)
argv.append("-statssession")
argv.append(self.stats_mgr.rman_stats_session_name)
woffs = ',' . join(rfb_config['woffs'])
if woffs:
argv.append('-woff')
argv.append(woffs)
self.rictl.PRManBegin(argv)
def __del__(self):
self.rictl.PRManEnd()
def _append_render_cmd(self, render_cmd):
return render_cmd
def _dump_rib_(self):
if envconfig().getenv('RFB_DUMP_RIB'):
rfb_log().debug("Writing to RIB...")
rib_time_start = time.time()
if sys.platform == ("win32"):
self.sg_scene.Render("rib C:/tmp/blender.rib -format ascii -indent")
else:
self.sg_scene.Render("rib /var/tmp/blender.rib -format ascii -indent")
rfb_log().debug("Finished writing RIB. Time: %s" % string_utils._format_time_(time.time() - rib_time_start))
def _load_placeholder_image(self):
placeholder_image = os.path.join(envconfig().rmantree, 'lib', 'textures', 'placeholder.png')
render = self.bl_scene.render
image_scale = 100.0 / render.resolution_percentage
result = self.bl_engine.begin_result(0, 0,
render.resolution_x * image_scale,
render.resolution_y * image_scale)
lay = result.layers[0]
try:
lay.load_from_file(placeholder_image)
except:
pass
self.bl_engine.end_result(result)
def _call_brickmake_for_selected(self):
rm = self.bl_scene.renderman
ob = bpy.context.active_object
if rm.external_animation:
for frame in range(self.bl_scene.frame_start, self.bl_scene.frame_end + 1):
expanded_str = string_utils.expand_string(ob.renderman.bake_filename_attr, frame=self.bl_scene.frame_current)
ptc_file = '%s.ptc' % expanded_str
bkm_file = '%s.bkm' % expanded_str
args = []
args.append('%s/bin/brickmake' % envconfig().rmantree)
args.append('-progress')
args.append('2')
args.append(ptc_file)
args.append(bkm_file)
subprocess.run(args)
else:
expanded_str = string_utils.expand_string(ob.renderman.bake_filename_attr, frame=self.bl_scene.frame_current)
ptc_file = '%s.ptc' % expanded_str
bkm_file = '%s.bkm' % expanded_str
args = []
args.append('%s/bin/brickmake' % envconfig().rmantree)
args.append('-progress')
args.append('2')
args.append(ptc_file)
args.append(bkm_file)
subprocess.run(args)
def _check_prman_license(self):
if not envconfig().is_valid_license:
self.bl_engine.report({'ERROR'}, 'Cannot find a valid RenderMan license. Aborting.')
self.stop_render()
return False
# check for any available PhotoRealistic-RenderMan licenses
status = envconfig().get_prman_license_status()
if not(status.found and status.is_available):
self.bl_engine.report({'ERROR'}, 'No PhotoRealistic-RenderMan licenses available. Aborting.')
self.stop_render()
return False
if status.is_expired():
self.bl_engine.report({'ERROR'}, 'PhotoRealistic-RenderMan licenses have expired (%s).' % str(status.exp_date))
self.stop_render()
return False
return True
def is_regular_rendering(self):
# return if we are doing a regular render and not interactive
return (self.rman_running and not self.rman_interactive_running)
def do_draw_buckets(self):
return self.do_draw_buckets and get_pref('rman_viewport_draw_bucket', default=True)
def start_stats_thread(self):
# start a stats thread so we can periodically call update_payloads
global __RMAN_STATS_THREAD__
__RMAN_STATS_THREAD__ = threading.Thread(target=call_stats_update_payloads, args=(self, ))
__RMAN_STATS_THREAD__.start()
def start_render(self, depsgraph, for_background=False):
self.bl_scene = depsgraph.scene_eval
rm = self.bl_scene.renderman
self.it_port = start_cmd_server()
rfb_log().info("Parsing scene...")
time_start = time.time()
if for_background:
self.rman_render_into = ''
is_external = True
self.rman_callbacks.clear()
ec = rman.EventCallbacks.Get()
ec.RegisterCallback("Render", render_cb, self)
self.rman_callbacks["Render"] = render_cb
rman.Dspy.DisableDspyServer()
else:
self.rman_render_into = rm.render_into
is_external = False
self.rman_callbacks.clear()
ec = rman.EventCallbacks.Get()
ec.RegisterCallback("Progress", progress_cb, self)
self.rman_callbacks["Progress"] = progress_cb
ec.RegisterCallback("Render", render_cb, self)
self.rman_callbacks["Render"] = render_cb
try:
if self.rman_render_into == 'it':
rman.Dspy.EnableDspyServer()
else:
rman.Dspy.DisableDspyServer()
except:
pass
config = rman.Types.RtParamList()
render_config = rman.Types.RtParamList()
rendervariant = scene_utils.get_render_variant(self.bl_scene)
scene_utils.set_render_variant_config(self.bl_scene, config, render_config)
self.sg_scene = self.sgmngr.CreateScene(config, render_config, self.stats_mgr.rman_stats_session)
bl_layer = depsgraph.view_layer
self.rman_is_exporting = True
self.rman_running = True
self.start_stats_thread()
self.rman_scene.export_for_final_render(depsgraph, self.sg_scene, bl_layer, is_external=is_external)
self.rman_is_exporting = False
self._dump_rib_()
rfb_log().info("Finished parsing scene. Total time: %s" % string_utils._format_time_(time.time() - time_start))
if not self._check_prman_license():
return False
self.rman_is_live_rendering = True
render_cmd = ''
if self.rman_render_into == 'it':
render_cmd = "prman -live"
elif self.rman_render_into == 'blender':
if rendervariant == 'prman':
render_cmd = "prman -live"
else:
render_cmd = "prman -blocking"
else:
render_cmd = "prman -blocking"
render_cmd = self._append_render_cmd(render_cmd)
self.sg_scene.Render(render_cmd)
if self.rman_render_into == 'blender':
if rendervariant != 'prman':
# FIXME: Remove this code path when we are able to get progress
# from XPU to determine when it reaches 100%.
# Also, make sure we render with prman -live in that case
dspy_dict = display_utils.get_dspy_dict(self.rman_scene)
filepath = dspy_dict['displays']['beauty']['filePath']
render = self.bl_scene.render
image_scale = 100.0 / render.resolution_percentage
result = self.bl_engine.begin_result(0, 0,
render.resolution_x * image_scale,
render.resolution_y * image_scale)
lay = result.layers[0]
try:
lay.load_from_file(filepath)
except:
pass
self.bl_engine.end_result(result)
self.stop_render()
else:
dspy_dict = display_utils.get_dspy_dict(self.rman_scene)
render = self.rman_scene.bl_scene.render
render_view = self.bl_engine.active_view_get()
image_scale = render.resolution_percentage / 100.0
width = int(render.resolution_x * image_scale)
height = int(render.resolution_y * image_scale)
bl_image_lyrs= dict()
# register any AOV's as passes
for i, dspy_nm in enumerate(dspy_dict['displays'].keys()):
if i == 0:
continue
self.bl_engine.add_pass(dspy_nm, 4, 'RGBA')
result = self.bl_engine.begin_result(0, 0,
width,
height,
view=render_view)
for i, dspy_nm in enumerate(dspy_dict['displays'].keys()):
if i == 0:
lyr = result.layers[0].passes.find_by_name("Combined", render_view)
else:
lyr = result.layers[0].passes.find_by_name(dspy_nm, render_view)
bl_image_lyrs[i] = lyr
while not self.bl_engine.test_break() and self.rman_is_live_rendering:
time.sleep(0.01)
for i, img in bl_image_lyrs.items():
buffer = self._get_buffer(width, height, image_num=i, as_flat=False)
if buffer:
img.rect = buffer
self.bl_engine.update_result(result)
if result:
self.bl_engine.end_result(result)
# Try to save out the displays out to disk. This matches
# Cycles behavior
for i, dspy_nm in enumerate(dspy_dict['displays'].keys()):
filepath = dspy_dict['displays'][dspy_nm]['filePath']
buffer = self._get_buffer(width, height, image_num=i, as_flat=True)
if buffer:
bl_image = bpy.data.images.new(dspy_nm, width, height)
bl_image.use_generated_float = True
bl_image.filepath_raw = filepath
bl_image.pixels = buffer
bl_image.file_format = 'OPEN_EXR'
bl_image.update()
bl_image.save()
bpy.data.images.remove(bl_image)
self.stop_render()
else:
while not self.bl_engine.test_break() and self.rman_is_live_rendering:
time.sleep(0.01)
self.stop_render()
return True
def start_external_render(self, depsgraph):
bl_scene = depsgraph.scene_eval
rm = bl_scene.renderman
self.rman_running = True
self.rman_render_into = ''
rib_options = ""
if rm.rib_compression == "gzip":
rib_options += " -compression gzip"
rib_format = 'ascii'
if rm.rib_format == 'binary':
rib_format = 'binary'
rib_options += " -format %s" % rib_format
if rib_format == "ascii":
rib_options += " -indent"
if rm.external_animation:
original_frame = bl_scene.frame_current
rfb_log().debug("Writing to RIB...")
for frame in range(bl_scene.frame_start, bl_scene.frame_end + 1):
bl_view_layer = depsgraph.view_layer
config = rman.Types.RtParamList()
render_config = rman.Types.RtParamList()
self.sg_scene = self.sgmngr.CreateScene(config, render_config, self.stats_mgr.rman_stats_session)
self.bl_engine.frame_set(frame, subframe=0.0)
self.rman_is_exporting = True
self.rman_scene.export_for_final_render(depsgraph, self.sg_scene, bl_view_layer, is_external=True)
self.rman_is_exporting = False
rib_output = string_utils.expand_string(rm.path_rib_output,
frame=frame,
asFilePath=True)
self.sg_scene.Render("rib %s %s" % (rib_output, rib_options))
self.sgmngr.DeleteScene(self.sg_scene)
self.bl_engine.frame_set(original_frame, subframe=0.0)
else:
config = rman.Types.RtParamList()
render_config = rman.Types.RtParamList()
self.sg_scene = self.sgmngr.CreateScene(config, render_config, self.stats_mgr.rman_stats_session)
time_start = time.time()
bl_view_layer = depsgraph.view_layer
rfb_log().info("Parsing scene...")
self.rman_is_exporting = True
self.rman_scene.export_for_final_render(depsgraph, self.sg_scene, bl_view_layer, is_external=True)
self.rman_is_exporting = False
rib_output = string_utils.expand_string(rm.path_rib_output,
frame=bl_scene.frame_current,
asFilePath=True)
rfb_log().debug("Writing to RIB: %s..." % rib_output)
rib_time_start = time.time()
self.sg_scene.Render("rib %s %s" % (rib_output, rib_options))
rfb_log().debug("Finished writing RIB. Time: %s" % string_utils._format_time_(time.time() - rib_time_start))
rfb_log().info("Finished parsing scene. Total time: %s" % string_utils._format_time_(time.time() - time_start))
self.sgmngr.DeleteScene(self.sg_scene)
if rm.queuing_system != 'none':
spooler = rman_spool.RmanSpool(self, self.rman_scene, depsgraph)
spooler.batch_render()
self.rman_running = False
self.sg_scene = None
return True
def start_bake_render(self, depsgraph, for_background=False):
self.bl_scene = depsgraph.scene_eval
rm = self.bl_scene.renderman
self.it_port = start_cmd_server()
rfb_log().info("Parsing scene...")
time_start = time.time()
if for_background:
is_external = True
self.rman_callbacks.clear()
ec = rman.EventCallbacks.Get()
ec.RegisterCallback("Render", render_cb, self)
self.rman_callbacks["Render"] = render_cb
rman.Dspy.DisableDspyServer()
else:
is_external = False
self.rman_callbacks.clear()
ec = rman.EventCallbacks.Get()
ec.RegisterCallback("Progress", bake_progress_cb, self)
self.rman_callbacks["Progress"] = bake_progress_cb
ec.RegisterCallback("Render", render_cb, self)
self.rman_callbacks["Render"] = render_cb
self.rman_render_into = ''
rman.Dspy.DisableDspyServer()
config = rman.Types.RtParamList()
render_config = rman.Types.RtParamList()
self.sg_scene = self.sgmngr.CreateScene(config, render_config, self.stats_mgr.rman_stats_session)
bl_layer = depsgraph.view_layer
self.rman_is_exporting = True
self.rman_running = True
self.start_stats_thread()
self.rman_scene.export_for_bake_render(depsgraph, self.sg_scene, bl_layer, is_external=is_external)
self.rman_is_exporting = False
self._dump_rib_()
rfb_log().info("Finished parsing scene. Total time: %s" % string_utils._format_time_(time.time() - time_start))
render_cmd = "prman -blocking"
if not self._check_prman_license():
return False
render_cmd = self._append_render_cmd(render_cmd)
self.sg_scene.Render(render_cmd)
self.stop_render()
if rm.hider_type == 'BAKE_BRICKMAP_SELECTED':
self._call_brickmake_for_selected()
return True
def start_external_bake_render(self, depsgraph):
bl_scene = depsgraph.scene_eval
rm = bl_scene.renderman
self.rman_running = True
self.rman_render_into = ''
rib_options = ""
if rm.rib_compression == "gzip":
rib_options += " -compression gzip"
rib_format = 'ascii'
if rm.rib_format == 'binary':
rib_format = 'binary'
rib_options += " -format %s" % rib_format
if rib_format == "ascii":
rib_options += " -indent"
if rm.external_animation:
original_frame = bl_scene.frame_current
rfb_log().debug("Writing to RIB...")
for frame in range(bl_scene.frame_start, bl_scene.frame_end + 1):
bl_view_layer = depsgraph.view_layer
config = rman.Types.RtParamList()
render_config = rman.Types.RtParamList()
self.sg_scene = self.sgmngr.CreateScene(config, render_config, self.stats_mgr.rman_stats_session)
self.bl_engine.frame_set(frame, subframe=0.0)
self.rman_is_exporting = True
self.rman_scene.export_for_bake_render(depsgraph, self.sg_scene, bl_view_layer, is_external=True)
self.rman_is_exporting = False
rib_output = string_utils.expand_string(rm.path_rib_output,
frame=frame,
asFilePath=True)
self.sg_scene.Render("rib %s %s" % (rib_output, rib_options))
self.sgmngr.DeleteScene(self.sg_scene)
self.bl_engine.frame_set(original_frame, subframe=0.0)
else:
config = rman.Types.RtParamList()
render_config = rman.Types.RtParamList()
self.sg_scene = self.sgmngr.CreateScene(config, render_config, self.stats_mgr.rman_stats_session)
time_start = time.time()
bl_view_layer = depsgraph.view_layer
rfb_log().info("Parsing scene...")
self.rman_is_exporting = True
self.rman_scene.export_for_bake_render(depsgraph, self.sg_scene, bl_view_layer, is_external=True)
self.rman_is_exporting = False
rib_output = string_utils.expand_string(rm.path_rib_output,
frame=bl_scene.frame_current,
asFilePath=True)
rfb_log().debug("Writing to RIB: %s..." % rib_output)
rib_time_start = time.time()
self.sg_scene.Render("rib %s %s" % (rib_output, rib_options))
rfb_log().debug("Finished writing RIB. Time: %s" % string_utils._format_time_(time.time() - rib_time_start))
rfb_log().info("Finished parsing scene. Total time: %s" % string_utils._format_time_(time.time() - time_start))
self.sgmngr.DeleteScene(self.sg_scene)
if rm.queuing_system != 'none':
spooler = rman_spool.RmanSpool(self, self.rman_scene, depsgraph)
spooler.batch_render()
self.rman_running = False
self.sg_scene = None
return True
def start_interactive_render(self, context, depsgraph):
global __DRAW_THREAD__
self.rman_interactive_running = True
self.rman_running = True
__update_areas__()
self.bl_scene = depsgraph.scene_eval
rm = depsgraph.scene_eval.renderman
self.it_port = start_cmd_server()
render_into_org = ''
self.rman_render_into = rm.render_into
self.rman_callbacks.clear()
# register the blender display driver
try:
if self.rman_render_into == 'blender':
# turn off dspyserver mode if we're not rendering to "it"
self.rman_is_viewport_rendering = True
rman.Dspy.DisableDspyServer()
self.rman_callbacks.clear()
ec = rman.EventCallbacks.Get()
self.viewport_buckets.clear()
self._draw_viewport_buckets = True
else:
rman.Dspy.EnableDspyServer()
except:
# force rendering to 'it'
rfb_log().error('Could not register Blender display driver. Rendering to "it".')
render_into_org = rm.render_into
rm.render_into = 'it'
self.rman_render_into = 'it'
rman.Dspy.EnableDspyServer()
time_start = time.time()
config = rman.Types.RtParamList()
render_config = rman.Types.RtParamList()
rendervariant = scene_utils.get_render_variant(self.bl_scene)
scene_utils.set_render_variant_config(self.bl_scene, config, render_config)
self.sg_scene = self.sgmngr.CreateScene(config, render_config, self.stats_mgr.rman_stats_session)
self.rman_scene_sync.sg_scene = self.sg_scene
rfb_log().info("Parsing scene...")
self.rman_is_exporting = True
self.start_stats_thread()
self.rman_scene.export_for_interactive_render(context, depsgraph, self.sg_scene)
self.rman_is_exporting = False
self._dump_rib_()
rfb_log().info("Finished parsing scene. Total time: %s" % string_utils._format_time_(time.time() - time_start))
if not self._check_prman_license():
return False
self.rman_is_live_rendering = True
render_cmd = "prman -live"
render_cmd = self._append_render_cmd(render_cmd)
self.sg_scene.Render(render_cmd)
rfb_log().info("RenderMan Viewport Render Started.")
if render_into_org != '':
rm.render_into = render_into_org
# start a thread to periodically call engine.tag_redraw()
if self.rman_is_viewport_rendering:
__DRAW_THREAD__ = threading.Thread(target=draw_threading_func, args=(self, ))
__DRAW_THREAD__.start()
def start_swatch_render(self, depsgraph):
self.bl_scene = depsgraph.scene_eval
rfb_log().debug("Parsing scene...")
time_start = time.time()
self.rman_callbacks.clear()
ec = rman.EventCallbacks.Get()
rman.Dspy.DisableDspyServer()
ec.RegisterCallback("Progress", progress_cb, self)
self.rman_callbacks["Progress"] = progress_cb
ec.RegisterCallback("Render", render_cb, self)
self.rman_callbacks["Render"] = render_cb
config = rman.Types.RtParamList()
render_config = rman.Types.RtParamList()
self.sg_scene = self.sgmngr.CreateScene(config, render_config, self.stats_mgr.rman_stats_session)
self.rman_is_exporting = True
self.rman_scene.export_for_swatch_render(depsgraph, self.sg_scene)
self.rman_is_exporting = False
self.rman_running = True
self.rman_swatch_render_running = True
self._dump_rib_()
rfb_log().debug("Finished parsing scene. Total time: %s" % string_utils._format_time_(time.time() - time_start))
if not self._check_prman_license():
return False
self.rman_is_live_rendering = True
self.sg_scene.Render("prman -live")
render = self.rman_scene.bl_scene.render
render_view = self.bl_engine.active_view_get()
image_scale = render.resolution_percentage / 100.0
width = int(render.resolution_x * image_scale)
height = int(render.resolution_y * image_scale)
result = self.bl_engine.begin_result(0, 0,
width,
height,
view=render_view)
layer = result.layers[0].passes.find_by_name("Combined", render_view)
while not self.bl_engine.test_break() and self.rman_is_live_rendering:
time.sleep(0.001)
if layer:
buffer = self._get_buffer(width, height, image_num=0, as_flat=False)
if buffer:
layer.rect = buffer
self.bl_engine.update_result(result)
# try to get the buffer one last time before exiting
if layer:
buffer = self._get_buffer(width, height, image_num=0, as_flat=False)
if buffer:
layer.rect = buffer
self.bl_engine.update_result(result)
self.stop_render()
self.bl_engine.end_result(result)
return True
def start_export_rib_selected(self, context, rib_path, export_materials=True, export_all_frames=False):
self.rman_running = True
bl_scene = context.scene
if export_all_frames:
original_frame = bl_scene.frame_current
rfb_log().debug("Writing to RIB...")
for frame in range(bl_scene.frame_start, bl_scene.frame_end + 1):
bl_scene.frame_set(frame, subframe=0.0)
config = rman.Types.RtParamList()
render_config = rman.Types.RtParamList()
self.sg_scene = self.sgmngr.CreateScene(config, render_config, self.stats_mgr.rman_stats_session)
self.rman_is_exporting = True
self.rman_scene.export_for_rib_selection(context, self.sg_scene)
self.rman_is_exporting = False
rib_output = string_utils.expand_string(rib_path,
frame=frame,
asFilePath=True)
self.sg_scene.Render("rib " + rib_output + " -archive")
self.sgmngr.DeleteScene(self.sg_scene)
bl_scene.frame_set(original_frame, subframe=0.0)
else:
config = rman.Types.RtParamList()
render_config = rman.Types.RtParamList()
self.sg_scene = self.sgmngr.CreateScene(config, render_config, self.stats_mgr.rman_stats_session)
self.rman_is_exporting = True
self.rman_scene.export_for_rib_selection(context, self.sg_scene)
self.rman_is_exporting = False
rib_output = string_utils.expand_string(rib_path,
frame=bl_scene.frame_current,
asFilePath=True)
self.sg_scene.Render("rib " + rib_output + " -archive")
self.sgmngr.DeleteScene(self.sg_scene)
self.sg_scene = None
self.rman_running = False
return True
def stop_render(self, stop_draw_thread=True):
global __DRAW_THREAD__
global __RMAN_STATS_THREAD__
if not self.rman_interactive_running and not self.rman_running:
return
self.rman_running = False
self.rman_interactive_running = False
self.rman_swatch_render_running = False
self.rman_is_viewport_rendering = False
# Remove callbacks
ec = rman.EventCallbacks.Get()
rfb_log().debug("Unregister any callbacks")
for k,v in self.rman_callbacks.items():
ec.UnregisterCallback(k, v, self)
self.rman_callbacks.clear()
self.rman_is_live_rendering = False
# wait for the drawing thread to finish
# if we are told to. stop_render() may also
# be called from the drawing thread
if stop_draw_thread and __DRAW_THREAD__:
__DRAW_THREAD__.join()
__DRAW_THREAD__ = None
# stop retrieving stats
if __RMAN_STATS_THREAD__:
__RMAN_STATS_THREAD__.join()
__RMAN_STATS_THREAD__ = None
rfb_log().debug("Telling SceneGraph to stop.")
if self.sg_scene:
self.sg_scene.Stop()
rfb_log().debug("Delete Scenegraph scene")
self.sgmngr.DeleteScene(self.sg_scene)
self.sg_scene = None
self.stats_mgr.reset()
self.rman_scene.reset()
self.viewport_buckets.clear()
self._draw_viewport_buckets = False
__update_areas__()
rfb_log().debug("RenderMan has Stopped.")
def get_blender_dspy_plugin(self):
global __BLENDER_DSPY_PLUGIN__
if __BLENDER_DSPY_PLUGIN__ == None:
# grab a pointer to the Blender display driver
ext = '.so'
if sys.platform == ("win32"):
ext = '.dll'
__BLENDER_DSPY_PLUGIN__ = ctypes.CDLL(os.path.join(envconfig().rmantree, 'lib', 'plugins', 'd_blender%s' % ext))
return __BLENDER_DSPY_PLUGIN__
def draw_pixels(self, width, height):
self.viewport_res_x = width
self.viewport_res_y = height
if self.rman_is_viewport_rendering:
dspy_plugin = self.get_blender_dspy_plugin()
# (the driver will handle pixel scaling to the given viewport size)
dspy_plugin.DrawBufferToBlender(ctypes.c_int(width), ctypes.c_int(height))
image_num = 0
arXMin = ctypes.c_int(0)
arXMax = ctypes.c_int(0)
arYMin = ctypes.c_int(0)
arYMax = ctypes.c_int(0)
dspy_plugin.GetActiveRegion(ctypes.c_size_t(image_num), ctypes.byref(arXMin), ctypes.byref(arXMax), ctypes.byref(arYMin), ctypes.byref(arYMax))
# draw bucket indicators
if self.do_draw_buckets() and ( (arXMin.value + arXMax.value + arYMin.value + arYMax.value) > 0):
yMin = height-1 - arYMin.value
yMax = height-1 - arYMax.value
xMin = arXMin.value
xMax = arXMax.value
if self.rman_scene.viewport_render_res_mult != 1.0:
# render resolution multiplier is set, we need to re-scale the bucket markers
scaled_width = width * self.rman_scene.viewport_render_res_mult
xMin = int(width * ((arXMin.value) / (scaled_width)))
xMax = int(width * ((arXMax.value) / (scaled_width)))
scaled_height = height * self.rman_scene.viewport_render_res_mult
yMin = height-1 - int(height * ((arYMin.value) / (scaled_height)))
yMax = height-1 - int(height * ((arYMax.value) / (scaled_height)))
vertices = []
c1 = (xMin, yMin)
c2 = (xMax, yMin)
c3 = (xMax, yMax)
c4 = (xMin, yMax)
vertices.append(c1)
vertices.append(c2)
vertices.append(c3)
vertices.append(c4)
indices = [(0, 1), (1, 2), (2,3), (3, 0)]