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render_pass.py
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render_pass.py
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import bpy
import cycles
import numpy as np
import os
from .generator_process.actions.prompt_to_image import ImageGenerationResult
from .generator_process import Generator
import threading
print("TESTING RENDER PASS IMPORTS")
pass_inputs = [
('color', 'Color', 'Provide the scene color as input'),
('depth', 'Depth', 'Provide the Z pass as depth input'),
('color_depth', 'Color and Depth', 'Provide the scene color and depth as input'),
]
update_render_passes_original = cycles.CyclesRender.update_render_passes
render_original = cycles.CyclesRender.render
# del_original = cycles.CyclesRender.__del__
def register_render_pass():
def update_render_passes_decorator(original):
def update_render_passes(self, scene=None, renderlayer=None):
result = original(self, scene, renderlayer)
self.register_pass(scene, renderlayer, "Dream Textures", 4, "RGBA", 'COLOR')
return result
return update_render_passes
cycles.CyclesRender.update_render_passes = update_render_passes_decorator(cycles.CyclesRender.update_render_passes)
def render_decorator(original):
def render(self, depsgraph):
scene = depsgraph.scene if hasattr(depsgraph, "scene") else depsgraph
if not scene.dream_textures_render_properties_enabled:
return original(self, depsgraph)
result = original(self, depsgraph)
try:
original_result = self.get_result()
self.add_pass("Dream Textures", 4, "RGBA")
scale = scene.render.resolution_percentage / 100.0
size_x = int(scene.render.resolution_x * scale)
size_y = int(scene.render.resolution_y * scale)
if size_x % 64 != 0 or size_y % 64 != 0:
self.report({"ERROR"}, f"Image dimensions must be multiples of 64 (e.x. 512x512, 512x768, ...) closest is {round(size_x/64)*64}x{round(size_y/64)*64}")
return result
render_result = self.begin_result(0, 0, size_x, size_y)
for layer in render_result.layers:
for render_pass in layer.passes:
if render_pass.name == "Dream Textures":
try:
self._render_dream_textures_pass(layer, (size_x, size_y), scene, render_pass, render_result)
except Exception as e:
self.error_set(str(e))
else:
source_pass = None
for original_layer in original_result.layers:
if layer.name == original_layer.name:
for original_pass in original_layer.passes:
if original_pass.name == render_pass.name:
source_pass = original_pass
pixels = np.empty((len(source_pass.rect), len(source_pass.rect[0])), dtype=np.float32)
source_pass.rect.foreach_get(pixels)
render_pass.rect[:] = pixels
self.end_result(render_result)
except Exception as e:
print(e)
return result
return render
cycles.CyclesRender.render = render_decorator(cycles.CyclesRender.render)
cycles.CyclesRender._render_dream_textures_pass = _render_dream_textures_pass
# def del_decorator(original):
# def del_patch(self):
# result = original(self)
# kill_generator()
# return result
# return del_patch
# cycles.CyclesRender.__del__ = del_decorator(cycles.CyclesRender.__del__)
def unregister_render_pass():
global update_render_passes_original
cycles.CyclesRender.update_render_passes = update_render_passes_original
global render_original
cycles.CyclesRender.render = render_original
del cycles.CyclesRender._render_dream_textures_pass
# global del_original
# cycles.CyclesRender.__del__ = del_original
def _render_dream_textures_pass(self, layer, size, scene, render_pass, render_result):
self.update_stats("Dream Textures", "Starting")
rect = layer.passes["Combined"].rect
match scene.dream_textures_render_properties_pass_inputs:
case 'color': pass
case 'depth' | 'color_depth':
depth = np.empty((size[0] * size[1], 1), dtype=np.float32)
layer.passes["Depth"].rect.foreach_get(depth)
depth = (1 - np.interp(depth, [0, np.ma.masked_equal(depth, depth.max(), copy=False).max()], [0, 1])).reshape((size[1], size[0]))
combined_pixels = np.empty((size[0] * size[1], 4), dtype=np.float32)
rect.foreach_get(combined_pixels)
gen = Generator.shared()
self.update_stats("Dream Textures", "Applying color management transforms")
combined_pixels = gen.ocio_transform(
combined_pixels,
config_path=os.path.join(bpy.utils.resource_path('LOCAL'), 'datafiles/colormanagement/config.ocio'),
exposure=scene.view_settings.exposure,
gamma=scene.view_settings.gamma,
view_transform=scene.view_settings.view_transform,
display_device=scene.display_settings.display_device,
look=scene.view_settings.look,
inverse=False
).result()
self.update_stats("Dream Textures", "Generating...")
print("DOES THIS COME HERE IN RENDER")
generated_args = scene.dream_textures_render_properties_prompt.generate_args()
generated_args['width'] = size[0]
generated_args['height'] = size[1]
match scene.dream_textures_render_properties_pass_inputs:
case 'color':
f = gen.prompt_to_image(
image=np.flipud(combined_pixels.reshape((size[1], size[0], 4)) * 255).astype(np.uint8),
**generated_args
)
case 'depth':
f = gen.depth_to_image(
depth=depth,
image=None,
**generated_args
)
case 'color_depth':
f = gen.depth_to_image(
depth=depth,
image=np.flipud(combined_pixels.reshape((size[1], size[0], 4)) * 255).astype(np.uint8),
**generated_args
)
event = threading.Event()
def on_step(_, step: ImageGenerationResult):
if step.final:
return
self.update_progress(step.step / generated_args['steps'])
if len(step.images) > 0:
combined_pixels = step.images[0]
render_pass.rect.foreach_set(combined_pixels.reshape((size[0] * size[1], 4)))
self.update_result(render_result) # This does not seem to have an effect.
def on_done(future):
nonlocal combined_pixels
result = future.result(last_only=True)
combined_pixels = result.images[0]
event.set()
f.add_response_callback(on_step)
f.add_done_callback(on_done)
event.wait()
# Perform an inverse transform so when Blender applies its transform everything looks correct.
self.update_stats("Dream Textures", "Applying inverse color management transforms")
combined_pixels = gen.ocio_transform(
combined_pixels.reshape((size[0] * size[1], 4)),
config_path=os.path.join(bpy.utils.resource_path('LOCAL'), 'datafiles/colormanagement/config.ocio'),
exposure=scene.view_settings.exposure,
gamma=scene.view_settings.gamma,
view_transform=scene.view_settings.view_transform,
display_device=scene.display_settings.display_device,
look=scene.view_settings.look,
inverse=True
).result()
combined_pixels = combined_pixels.reshape((size[0] * size[1], 4))
render_pass.rect.foreach_set(combined_pixels)
self.update_stats("Dream Textures", "Finished")