Distributed rendering of single images #104327

Merged
David Zhang merged 22 commits from David-Zhang-10/flamenco:single-image-render into main 2024-09-03 06:47:49 +02:00
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@ -100,10 +100,18 @@ function compileJob(job) {
const renderDir = path.dirname(renderOutput);
const renderTasks = authorRenderTasks(settings, renderDir, renderOutput);
const mergeTask = authorMergeTask(settings, renderDir);
for (const rt of renderTasks) {
job.addTask(rt);
}
if (mergeTask) {
// If there is a merge task, all other tasks have to be done first.
for (const rt of renderTasks) {
mergeTask.addDependency(rt);
}
job.addTask(mergeTask);
}
}
// Do field replacement on the render output path.
@ -151,6 +159,7 @@ render.border_min_y = max(${border[1]} - overscan, 0) / ${settings.resolution_y}
render.border_max_x = min(${border[2]} + overscan, ${settings.resolution_x}) / ${settings.resolution_x}
render.border_max_y = min(${border[3]} + overscan, ${settings.resolution_x}) / ${settings.resolution_y}
render.use_border = True
render.use_crop_to_border = True
bpy.ops.render.render(write_still=True)`
const command = author.Command("blender-render", {
exe: "{blender}",
@ -168,3 +177,66 @@ bpy.ops.render.render(write_still=True)`
}
return renderTasks;
}
function authorMergeTask(settings, renderDir, renderOutput) {
print("authorMergeTask(", renderDir, ")");
const task = author.Task("merge", "blender");
let pythonExpr = `import bpy
render = bpy.context.scene.render
bpy.context.scene.use_nodes = True
render.use_compositing = True
node_tree = bpy.context.scene.node_tree
feed_in_input = None
render_layers_node = None
for node in node_tree.nodes:
if node.type == 'R_LAYERS':
feed_in_input = node.outputs[0]
render_layers_node = node
break
for link in node_tree.links:
if link.from_socket == feed_in_input:
feed_in_output = link.to_socket
image_nodes = []
crop_nodes = []
from os import listdir
from os.path import isfile, join
root = "${path.join(renderDir, path.basename(renderOutput))}/######"
image_files = [f for f in listdir(root) if isfile(join(root, f))]
for image_file in image_files:
image_node = node_tree.nodes.new('CompositorNodeImage')
image_node.image = bpy.data.images.load(root + '/' + image_file)
image_nodes.append(image_node)
crop_node = node_tree.nodes.new('CompositorNodeCrop')
left, top, right, bottom = image_file.split('-')
crop_node.max_x = ${settings.tile_size_x}
crop_node.min_y = ${settings.tile_size_y}
node_tree.links.new(image_node.outputs[0], crop_node.inputs[0])
crop_nodes.append(crop_node)
alpha_overs = [node_tree.nodes.new('CompositorNodeAlphaOver') for _ in range(len(image_nodes) - 1)]
for i in range(len(image_nodes) - 1):
if i == 0:
node_tree.links.new(crop_nodes[i].outputs[0], alpha_overs[i].inputs[1])
else:
node_tree.links.new(alpha_overs[i - 1].outputs[0], alpha_overs[i].inputs[1])
node_tree.links.new(crop_nodes[i + 1].outputs[0], alpha_overs[i].inputs[2])
node_tree.links.new(alpha_overs[-1].outputs[0], feed_in_output)
node_tree.nodes.remove(render_layers_node)
render.image_settings.file_format = 'PNG'
bpy.ops.render.render(write_still=True)`
const command = author.Command("blender-render", {
exe: "{blender}",
exeArgs: "{blenderArgs}",
argsBefore: [],
blendfile: settings.blendfile,
args: [
"--render-output", path.join(renderDir, path.basename(renderOutput), "merged"),
"--render-format", settings.format,
"--python-expr", pythonExpr
]
});
task.addCommand(command);
return task;
}