Brecht Van Lommel
0803119725
This includes much improved GPU rendering performance, viewport interactivity, new shadow catcher, revamped sampling settings, subsurface scattering anisotropy, new GPU volume sampling, improved PMJ sampling pattern, and more. Some features have also been removed or changed, breaking backwards compatibility. Including the removal of the OpenCL backend, for which alternatives are under development. Release notes and code docs: https://wiki.blender.org/wiki/Reference/Release_Notes/3.0/Cycles https://wiki.blender.org/wiki/Source/Render/Cycles Credits: * Sergey Sharybin * Brecht Van Lommel * Patrick Mours (OptiX backend) * Christophe Hery (subsurface scattering anisotropy) * William Leeson (PMJ sampling pattern) * Alaska (various fixes and tweaks) * Thomas Dinges (various fixes) For the full commit history, see the cycles-x branch. This squashes together all the changes since intermediate changes would often fail building or tests. Ref T87839, T87837, T87836 Fixes T90734, T89353, T80267, T80267, T77185, T69800
113 lines
3.5 KiB
Python
113 lines
3.5 KiB
Python
# Apache License, Version 2.0
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import api
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import os
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def _run(args):
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import bpy
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import time
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device_type = args['device_type']
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device_index = args['device_index']
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scene = bpy.context.scene
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scene.render.engine = 'CYCLES'
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scene.render.filepath = args['render_filepath']
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scene.render.image_settings.file_format = 'PNG'
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scene.cycles.device = 'CPU' if device_type == 'CPU' else 'GPU'
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if scene.cycles.use_adaptive_sampling:
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# Render samples specified in file, no other way to measure
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# adaptive sampling performance reliably.
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scene.cycles.time_limit = 0.0
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else:
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# Render for fixed amount of time so it's adaptive to the
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# machine and devices.
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scene.cycles.samples = 16384
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scene.cycles.time_limit = 10.0
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if scene.cycles.device == 'GPU':
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# Enable specified GPU in preferences.
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prefs = bpy.context.preferences
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cprefs = prefs.addons['cycles'].preferences
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cprefs.compute_device_type = device_type
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devices = cprefs.get_devices_for_type(device_type)
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for device in devices:
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device.use = False
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index = 0
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for device in devices:
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if device.type == device_type:
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if index == device_index:
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device.use = True
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break
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else:
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index += 1
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# Render
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bpy.ops.render.render(write_still=True)
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return None
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class CyclesTest(api.Test):
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def __init__(self, filepath):
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self.filepath = filepath
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def name(self):
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return self.filepath.stem
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def category(self):
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return "cycles"
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def use_device(self):
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return True
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def run(self, env, device_id):
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tokens = device_id.split('_')
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device_type = tokens[0]
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device_index = int(tokens[1]) if len(tokens) > 1 else 0
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args = {'device_type': device_type,
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'device_index': device_index,
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'render_filepath': str(env.log_file.parent / (env.log_file.stem + '.png'))}
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_, lines = env.run_in_blender(_run, args, ['--debug-cycles', '--verbose', '2', self.filepath])
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# Parse render time from output
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prefix_time = "Render time (without synchronization): "
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prefix_memory = "Peak: "
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prefix_time_per_sample = "Average time per sample: "
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time = None
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time_per_sample = None
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memory = None
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for line in lines:
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line = line.strip()
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offset = line.find(prefix_time)
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if offset != -1:
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time = line[offset + len(prefix_time):]
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time = float(time)
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offset = line.find(prefix_time_per_sample)
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if offset != -1:
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time_per_sample = line[offset + len(prefix_time_per_sample):]
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time_per_sample = time_per_sample.split()[0]
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time_per_sample = float(time_per_sample)
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offset = line.find(prefix_memory)
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if offset != -1:
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memory = line[offset + len(prefix_memory):]
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memory = memory.split()[0].replace(',', '')
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memory = float(memory)
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if time_per_sample:
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time = time_per_sample
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if not (time and memory):
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raise Exception("Error parsing render time output")
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return {'time': time, 'peak_memory': memory}
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def generate(env):
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filepaths = env.find_blend_files('cycles/*')
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return [CyclesTest(filepath) for filepath in filepaths]
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