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auto_tile_size_release_02.py
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auto_tile_size_release_02.py
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# BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# END GPL LICENSE BLOCK #####
bl_info = {
"name": "Auto Render Tile Size",
"description": "Automatically calculate the tile size that renders the fastest for Cycles",
"author": "Greg Zaal",
"version": (2, 0),
"blender": (2, 68, 5),
"location": "Render Settings > Performance",
"warning": "",
"wiki_url": "http://wiki.blender.org/index.php?title=Extensions:2.6/Py/Scripts/Render/Auto_Tile_Size",
"tracker_url": "https://projects.blender.org/tracker/index.php?func=detail&aid=36785&group_id=153&atid=467",
"category": "Render"}
import bpy
from bpy.app.handlers import persistent
# dummy report function
def _report_print(report_type, text):
print(text)
@persistent
def on_scene_update(context, report=_report_print):
scene = bpy.context.scene
device = scene.cycles.device
prevdevice = scene.TileSizePrevDevice
if device == 'GPU' and bpy.context.user_preferences.system.compute_device_type != 'NONE':
choice = scene.TileSizeGPUChoice
elif device == 'CPU' or bpy.context.user_preferences.system.compute_device_type == 'NONE':
choice = scene.TileSizeCPUChoice
prevchoice = int(scene.TileSizePrevChoice)
res = str(int(getActualRes('x')))+'x'+str(int(getActualRes('y')))
prevres = scene.TileSizePrevRes
actual_ts = str(scene.render.tile_x)+'x'+str(scene.render.tile_y)
prevactual_ts = scene.TileSizePrevActualTileSize
# detect relevant changes in scene
change_triggers = [device != prevdevice,
int(choice) != prevchoice,
res != prevres,
actual_ts != prevactual_ts]
if any(change_triggers) and scene.TileSizeEnable:
print('trigger device changed')
scene.TileSizePrevDevice = device
scene.TileSizePrevChoice = choice
do_set_tile_size(context, report=_report_print)
else:
pass
def do_set_tile_size(context, report=_report_print):
context = bpy.context
context.scene.TileSizeFirstRun = False
scene = context.scene
device = scene.cycles.device
target = 0
xres = int(getActualRes('x'))
yres = int(getActualRes('y'))
if device == 'GPU' and context.user_preferences.system.compute_device_type != 'NONE':
target = int(scene.TileSizeGPUChoice)
elif device == 'CPU' or context.user_preferences.system.compute_device_type == 'NONE':
target = int(scene.TileSizeCPUChoice)
else:
report({'ERROR'}, "Failed to get compute device")
return False
scene.TileSizePrevChoice = str(target)
scene.TileSizePrevDevice = device
if scene.TileSizeClosestFactor:
if isprime(xres):
xres += 1
if isprime(yres):
yres += 1
xfactors = list(xres/z for z in range (1, xres) if xres/z % 1 == 0) # get factors
yfactors = list(yres/z for z in range (1, yres) if yres/z % 1 == 0) # get factors
xtile = int(min(xfactors, key=lambda x: abs(x - target)))
ytile = int(min(yfactors, key=lambda x: abs(x - target)))
report({'INFO'}, str(xtile) + "x" + str(ytile) + " (" + str(int(xres / xtile)) + "x" + str(int(yres / ytile)) + " tiles)")
else:
xtile = target
ytile = target
report({'INFO'}, str(xtile) + "x" + str(ytile) + " (" + str(xres / xtile) + " x " + str(yres / ytile) + " tiles)")
scene.render.tile_x = xtile
scene.render.tile_y = ytile
scene.TileSizePrevRes = str(xres)+'x'+str(yres)
scene.TileSizePrevActualTileSize = str(scene.render.tile_x)+'x'+str(scene.render.tile_y)
return True
def isprime(num):
for x in range(2, int(num ** 0.5) + 1):
if num % x == 0:
return False
return True
def getActualRes(xy):
rend = bpy.context.scene.render
rend_percent = rend.resolution_percentage * 0.01
x = (str(rend.resolution_x * rend_percent).split('.'))[0]
y = (str(rend.resolution_y * rend_percent).split('.'))[0]
returnvar = x
if xy == "y":
returnvar = y
return (returnvar)
class SetTileSize(bpy.types.Operator):
'The first render may not obey the tile-size set here'
bl_idname = 'autotile.set'
bl_label = 'Set'
def execute(self, context):
context.scene.TileSizeFirstRun = False
if do_set_tile_size(context, self.report):
return {'FINISHED'}
else:
return {'CANCELLED'}
def menu_func(self, context):
layout = self.layout
scene = context.scene
col = layout.column(align=False)
row = col.row(align=True)
row.prop(scene, 'TileSizeEnable', toggle=True)
if scene.TileSizeEnable:
row.prop(scene, 'TileSizeClosestFactor', text='Consistent Tiles')
row = col.row(align=False)
if scene.cycles.device == 'GPU' and context.user_preferences.system.compute_device_type != 'NONE':
row.prop(scene, 'TileSizeGPUChoice', expand=True)
else:
row.prop(scene, 'TileSizeCPUChoice', expand=True)
if scene.TileSizeFirstRun:
col = layout.column(align=True)
col.operator('autotile.set', text="First-render fix", icon='ERROR')
elif scene.TileSizePrevDevice != scene.cycles.device:
col = layout.column(align=True)
col.operator('autotile.set', text="Device changed - fix", icon='ERROR')
if (scene.render.tile_x/scene.render.tile_y > 2) or (scene.render.tile_x/scene.render.tile_y < 0.5): # if not very square tile
col.label (text="Warning: Tile size is not very square", icon='ERROR')
col.label (text=" Try a slightly different resolution")
def _update_tile_size(self, context):
print('trigger prop change')
do_set_tile_size(context)
def register():
bpy.types.Scene.TileSizeGPUChoice = bpy.props.EnumProperty(
name="Target GPU Tile Size",
items=(("16", "16", "16 x 16"), ("32", "32", "32 x 32"), ("64", "64", "64 x 64"), ("128", "128", "128 x 128"), ("256", "256", "256 x 256"), ("512", "512", "512 x 512"), ("1024", "1024", "1024 x 1024")),
default='256',
description="Square dimentions of tiles",
update=_update_tile_size)
bpy.types.Scene.TileSizeCPUChoice = bpy.props.EnumProperty(
name="Target CPU Tile Size",
items=(("16", "16", "16 x 16"), ("32", "32", "32 x 32"), ("64", "64", "64 x 64"), ("128", "128", "128 x 128"), ("256", "256", "256 x 256"), ("512", "512", "512 x 512"), ("1024", "1024", "1024 x 1024")),
default='32',
description="Square dimentions of tiles",
update=_update_tile_size)
bpy.types.Scene.TileSizeClosestFactor = bpy.props.BoolProperty(
name="Consistent Tiles",
default=True,
description="Makes sure that all tiles are the same size (improves render speed)",
update=_update_tile_size)
bpy.types.Scene.TileSizeEnable = bpy.props.BoolProperty(
name="Auto Tile Size",
default=True,
description="Calculate the best tile size based on factors of the render size and the chosen target",
update=_update_tile_size)
bpy.types.Scene.TileSizeFirstRun = bpy.props.BoolProperty(
name="FirstRun",
default=True,
description="FirstRun")
bpy.types.Scene.TileSizePrevChoice = bpy.props.StringProperty(
name="prevchoice",
default='0',
description="prevchoice")
bpy.types.Scene.TileSizePrevDevice = bpy.props.StringProperty(
name="prevdevice",
default='prevdevice',
description="prevdevice")
bpy.types.Scene.TileSizePrevRes = bpy.props.StringProperty(
name="prevres",
default='prevres',
description="prevres")
bpy.types.Scene.TileSizePrevActualTileSize = bpy.props.StringProperty(
name="prevres",
default='prevres',
description="prevres")
bpy.types.CyclesRender_PT_performance.append(menu_func)
bpy.app.handlers.scene_update_post.append(on_scene_update)
bpy.utils.register_module(__name__)
def unregister():
del bpy.types.Scene.TileSizeGPUChoice
del bpy.types.Scene.TileSizeCPUChoice
del bpy.types.Scene.TileSizeClosestFactor
del bpy.types.Scene.TileSizeEnable
del bpy.types.Scene.TileSizeFirstRun
del bpy.types.Scene.TileSizePrevChoice
del bpy.types.Scene.TileSizePrevDevice
del bpy.types.Scene.TileSizePrevRes
del bpy.types.Scene.TileSizePrevActualTileSize
bpy.types.CyclesRender_PT_performance.remove(menu_func)
bpy.app.handlers.scene_update_post.remove(on_scene_update)
bpy.utils.unregister_module(__name__)
if __name__ == "__main__":
register()

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