Update Material Maker for Godot 4.4

.github/workflows/dev-desktop-builds.yml

@@ -19,11 +19,11 @@ on:
         default: "true"
 
 env:
-  GODOT_VERSION: 4.3
-  GODOT_SUB: stable
-  GODOT_DOWNLOAD_DIR: https://github.com/godotengine/godot-builds/releases/download/4.3-stable
+  GODOT_VERSION: 4.4
+  GODOT_SUB: dev6
+  GODOT_DOWNLOAD_DIR: https://github.com/godotengine/godot-builds/releases/download/4.4-dev6
   EXPORT_NAME: material_maker
-  MM_RELEASE: 1_4a1
+  MM_RELEASE: 1_4a2
 
 jobs:
   export_windows_linux:

addons/flexible_layout/flexible_dragger.gd.uid

@@ -0,0 +1 @@
+uid://dgwcni3ebvc8s

addons/flexible_layout/flexible_layout.gd.uid

@@ -0,0 +1 @@
+uid://crspdrrii0nex

addons/flexible_layout/flexible_overlay.gd.uid

@@ -0,0 +1 @@
+uid://bhwlc7y7qgb2v

addons/flexible_layout/flexible_tab.gd.uid

@@ -0,0 +1 @@
+uid://ywxnr7grll4s

addons/flexible_layout/flexible_tab.tscn

@@ -1,6 +1,6 @@
 [gd_scene load_steps=4 format=3 uid="uid://e06xegp2tp3f"]
 
-[ext_resource type="Script" path="res://addons/flexible_layout/flexible_tab.gd" id="1"]
+[ext_resource type="Script" uid="uid://ywxnr7grll4s" path="res://addons/flexible_layout/flexible_tab.gd" id="1"]
 [ext_resource type="Texture2D" uid="uid://xuy6dfh1rsne" path="res://addons/flexible_layout/undock.png" id="2_nx0qp"]
 
 [sub_resource type="PlaceholderTexture2D" id="PlaceholderTexture2D_bok24"]

addons/flexible_layout/flexible_tabs.gd.uid

@@ -0,0 +1 @@
+uid://dg1byost6nv7c

addons/flexible_layout/test.gd.uid

@@ -0,0 +1 @@
+uid://pwdjqjokbnju

addons/material_maker/engine/dependencies.gd

@@ -129,8 +129,10 @@ func dependency_update(dependency_name : String, value = null, internal : bool =
 		var b : Buffer = buffers[dependency_name]
 		match b.status:
 			Buffer.Invalidated:
-				print_debug("Buffer %s (updating) should not be invalidated status" % dependency_name)
-				is_buffer_just_updated = true
+				#print_debug("Buffer %s (updating) should not be invalidated" % dependency_name)
+				#is_buffer_just_updated = true
+				update()
+				return
 			Buffer.UpdatingInvalidated:
 				#print_debug("Buffer %s (updating) reset to invalidated status" % dependency_name)
 				b.status = Buffer.Invalidated

addons/material_maker/engine/dependencies.gd.uid

@@ -0,0 +1 @@
+uid://crr3mu66a78bu

addons/material_maker/engine/io_types.gd.uid

@@ -0,0 +1 @@
+uid://coeb0q7f1dfo6

addons/material_maker/engine/loader.gd.uid

@@ -0,0 +1 @@
+uid://ddlcbf6dw2a6p

addons/material_maker/engine/logger.gd.uid

@@ -0,0 +1 @@
+uid://5f5raxatrnnl

addons/material_maker/engine/multi_renderer.gd

@@ -15,9 +15,6 @@ var max_viewport_size : int = 2048
 
 var max_buffer_size = 0
 
-var rendering_device : RenderingDevice
-var rendering_device_user = null
-
 var shader_error_handler
 
 
@@ -33,8 +30,8 @@ func _ready() -> void:
 		var renderer = preload("res://addons/material_maker/engine/renderer.tscn").instantiate()
 		add_child(renderer)
 		free_renderers.append(renderer)
-	rendering_device = RenderingServer.create_local_rendering_device()
-
+	initialize_rendering_thread()
+	
 # Global parameters
 
 func get_global_parameters():
@@ -108,6 +105,85 @@ func release(renderer : Object) -> void:
 	free_renderers.append(renderer)
 	free_renderer.emit()
 
+
+# rendering thread
+
+const render_in_separate_thread : bool = true
+var rendering_thread : Thread
+var rendering_mutex : Mutex
+var rendering_semaphore : Semaphore
+var rendering_callable : Callable
+var rendering_parameters : Array
+var rendering_return_value
+var rendering_thread_running : bool
+var rendering_thread_working : bool = false
+var rendering_device : RenderingDevice
+var rendering_device_user = null
+
+func thread_loop():
+	while true:
+		rendering_semaphore.wait()
+		rendering_mutex.lock()
+		var running : bool = rendering_thread_running
+		if not running:
+			rendering_mutex.unlock()
+			break
+		var rv = rendering_callable.callv(rendering_parameters)
+		rendering_return_value = rv
+		rendering_thread_running = false
+		rendering_mutex.unlock()
+
+func thread_run(c : Callable, p : Array = [], stop_thread = false):
+	if render_in_separate_thread:
+		if rendering_thread == null:
+			return
+		while rendering_thread_working and is_inside_tree():
+			await get_tree().process_frame
+		rendering_thread_working = true
+		while not rendering_mutex.try_lock() and is_inside_tree():
+			await get_tree().process_frame
+		rendering_callable = c
+		rendering_parameters = p
+		rendering_thread_running = not stop_thread
+		rendering_mutex.unlock()
+		rendering_semaphore.post()
+		var running : bool = true
+		var rv
+		while running:
+			while not rendering_mutex.try_lock():
+				if is_inside_tree():
+					await get_tree().process_frame
+			running = rendering_thread_running
+			rv = rendering_return_value
+			rendering_mutex.unlock()
+		rendering_thread_working = false
+		return rv
+	else:
+		return await c.callv(p)
+
+func create_rendering_device():
+	rendering_device = RenderingServer.create_local_rendering_device()
+
+func destroy_rendering_device():
+	pass
+
+func initialize_rendering_thread():
+	if render_in_separate_thread:
+		rendering_thread = Thread.new()
+		rendering_mutex = Mutex.new()
+		rendering_semaphore = Semaphore.new()
+		rendering_thread.start(self.thread_loop, 2)
+		thread_run(self.create_rendering_device)
+	else:
+		create_rendering_device()
+
+func stop_rendering_thread():
+	if render_in_separate_thread:
+		await thread_run(destroy_rendering_device, [])
+		await thread_run(destroy_rendering_device, [], true)
+		rendering_thread.wait_to_finish()
+		rendering_thread = null
+
 func request_rendering_device(user) -> RenderingDevice:
 	while ! renderers_enabled or rendering_device_user != null:
 		await self.free_rendering_device

addons/material_maker/engine/multi_renderer.gd.uid

@@ -0,0 +1 @@
+uid://dqcja48n320s4

addons/material_maker/engine/nodes/gen_base.gd.uid

@@ -0,0 +1 @@
+uid://mcbr328cl01e

addons/material_maker/engine/nodes/gen_brush.gd.uid

@@ -0,0 +1 @@
+uid://b7uvyymfdklls

addons/material_maker/engine/nodes/gen_buffer.gd.uid

@@ -0,0 +1 @@
+uid://brtutoy18rxq5

addons/material_maker/engine/nodes/gen_comment.gd.uid

@@ -0,0 +1 @@
+uid://x2lbtdvnuwdt

addons/material_maker/engine/nodes/gen_context.gd.uid

@@ -0,0 +1 @@
+uid://8dg7g6ubsn61

addons/material_maker/engine/nodes/gen_debug.gd.uid

@@ -0,0 +1 @@
+uid://bcutdsiyw2tuf

addons/material_maker/engine/nodes/gen_export.gd.uid

@@ -0,0 +1 @@
+uid://b2decri0hye1o

addons/material_maker/engine/nodes/gen_graph.gd

@@ -13,10 +13,15 @@ var transmits_seed : bool = true
 
 var current_mesh : Mesh = null
 
+
 signal graph_changed()
 signal connections_changed(removed_connections, added_connections)
 signal hierarchy_changed()
 
+
+func _ready() -> void:
+	super._ready()
+
 func emit_hierarchy_changed():
 	var top = self
 	while top.get_parent() != null and top.get_parent().get_script() == get_script():

addons/material_maker/engine/nodes/gen_graph.gd.uid

@@ -0,0 +1 @@
+uid://fcw2oyxbk8he

addons/material_maker/engine/nodes/gen_image.gd.uid

@@ -0,0 +1 @@
+uid://e6sktgaie00t

addons/material_maker/engine/nodes/gen_ios.gd.uid

@@ -0,0 +1 @@
+uid://04c37eowt30v

addons/material_maker/engine/nodes/gen_iterate_buffer.gd

@@ -20,7 +20,7 @@ var iteration_param_name : String
 var used_named_parameters : Array = []
 
 
-func _ready():
+func _init():
 	#texture.flags = Texture2D.FLAG_REPEAT
 	shader_computes.append(MMShaderCompute.new())
 	shader_computes.append(MMShaderCompute.new())

addons/material_maker/engine/nodes/gen_iterate_buffer.gd.uid

@@ -0,0 +1 @@
+uid://bflrhcmq2h2oc

addons/material_maker/engine/nodes/gen_material.gd

@@ -17,7 +17,7 @@ var preview_parameters : Dictionary = {}
 var preview_textures = {}
 var preview_texture_dependencies = {}
 
-var external_previews : Array = []
+var external_previews : Array[ShaderMaterial] = []
 var export_output_def : Dictionary
 
 
@@ -169,16 +169,14 @@ func update_materials(material_list, sequential : bool = false) -> void:
 		update_material(m, sequential)
 
 func update_material(m, sequential : bool = false) -> void:
-	if m is StandardMaterial3D:
-		pass
-	elif m is ShaderMaterial:
-		m.shader.code = preview_material.shader.code
+	if m is ShaderMaterial:
+		m.shader = preview_material.shader
 		for p in preview_parameters.keys():
 			m.set_shader_parameter(p, preview_parameters[p])
 
 func update_external_previews() -> void:
 	for p in external_previews:
-		p.shader.code = preview_material.shader.code
+		p.shader = preview_material.shader
 		for t in preview_textures.keys():
 			p.set_shader_parameter(t, await preview_textures[t].texture.get_texture())
 		for t in preview_texture_dependencies.keys():
@@ -315,7 +313,7 @@ func process_shader(shader_text : String, custom_script : String = ""):
 			shader_code += "\n"
 	return { shader_code = shader_code, uniforms = rv.uniforms }
 
-func set_3d_previews(previews : Array):
+func set_3d_previews(previews : Array[ShaderMaterial]):
 	external_previews = previews
 	update_external_previews()
 

addons/material_maker/engine/nodes/gen_material.gd.uid

@@ -0,0 +1 @@
+uid://duduukbt175gd

addons/material_maker/engine/nodes/gen_meshmap.gd

@@ -85,6 +85,7 @@ const MESH_MAPS : Array[Dictionary] = [
 
 
 func _ready() -> void:
+	super._ready()
 	if get_parent() is MMGenGraph:
 		set_current_mesh(get_parent().get_current_mesh())
 
@@ -114,6 +115,7 @@ func get_output_defs(_show_hidden : bool = false) -> Array:
 
 func set_current_mesh(m : Mesh) -> void:
 	if current_mesh != m:
+		print("Setting mesh ", m)
 		current_mesh = m
 		update_map()
 

addons/material_maker/engine/nodes/gen_meshmap.gd.uid

@@ -0,0 +1 @@
+uid://do2fhmo51enhf

addons/material_maker/engine/nodes/gen_remote.gd.uid

@@ -0,0 +1 @@
+uid://cn0tf0i8dvgl3

addons/material_maker/engine/nodes/gen_reroute.gd.uid

@@ -0,0 +1 @@
+uid://cheligcykjoqk

addons/material_maker/engine/nodes/gen_sdf.gd.uid

@@ -0,0 +1 @@
+uid://csqqg3rre416e

addons/material_maker/engine/nodes/gen_shader.gd.uid

@@ -0,0 +1 @@
+uid://bs00xpth2mgrv

addons/material_maker/engine/nodes/gen_switch.gd.uid

@@ -0,0 +1 @@
+uid://7o1v23p5rmyo

addons/material_maker/engine/nodes/gen_text.gd.uid

@@ -0,0 +1 @@
+uid://coj5y2ajhbf00

addons/material_maker/engine/nodes/gen_texture.gd.uid

@@ -0,0 +1 @@
+uid://d0j0hrry8p7yj

addons/material_maker/engine/nodes/gen_webcam.gd.uid

@@ -0,0 +1 @@
+uid://bq5dlb02buma1

addons/material_maker/engine/paths.gd.uid

@@ -0,0 +1 @@
+uid://dds8sv5t0d8qd

addons/material_maker/engine/pipeline/compute_shader.gd

@@ -44,7 +44,7 @@ func get_output_texture_declarations() -> String:
 	return texture_declarations
 
 func set_shader(string : String, output_texture_type : int, replaces : Dictionary = {}) -> bool:
-	return await set_shader_ext(string, [{name="OUTPUT_TEXTURE", type=output_texture_type}], replaces)
+	return set_shader_ext(string, [{name="OUTPUT_TEXTURE", type=output_texture_type}], replaces)
 
 func set_shader_ext(string : String, output_textures_desc : Array[Dictionary] = [], replaces : Dictionary = {}) -> bool:
 	output_textures = []
@@ -63,9 +63,8 @@ func set_shader_ext(string : String, output_textures_desc : Array[Dictionary] =
 	replaces["@DECLARATIONS"] += get_input_texture_declarations()+"\n"
 	replaces["@DECLARATIONS"] += get_output_parameters_declarations()+"\n"
 
-	var rd : RenderingDevice = await mm_renderer.request_rendering_device(self)
+	var rd : RenderingDevice = mm_renderer.rendering_device
 	shader = do_compile_shader(rd, { compute=string }, replaces)
-	mm_renderer.release_rendering_device(self)
 	return shader.is_valid()
 
 func set_parameters_from_shadercode(shader_code : MMGenBase.ShaderCode, parameters_as_constants : bool = false):
@@ -172,17 +171,19 @@ func render_loop(rd : RenderingDevice, size : Vector2i, chunk_height : int, unif
 func render(texture : MMTexture, size : Vector2i, output_parameters_values = null) -> bool:
 	return await render_ext([texture], size, output_parameters_values)
 
-func render_ext(textures : Array[MMTexture], size : Vector2i, output_parameters_values = null) -> bool:
-	var rd : RenderingDevice = await mm_renderer.request_rendering_device(self)
+func in_thread_render_ext(textures : Array[MMTexture], size : Vector2i, output_parameters_values = null) -> bool:
+	var rd : RenderingDevice = mm_renderer.rendering_device
 	var rids : RIDs = RIDs.new()
 	var start_time = Time.get_ticks_msec()
 	set_parameter("elapsed_time", 0.001*float(start_time), true)
-	var status = await render_2(rd, textures, output_parameters_values, size, rids)
+	var status = render_2(rd, textures, output_parameters_values, size, rids)
 	rids.free_rids(rd)
 	render_time = Time.get_ticks_msec() - start_time
-	mm_renderer.release_rendering_device(self)
 	return status
 
+func render_ext(textures : Array[MMTexture], size : Vector2i, output_parameters_values = null) -> bool:
+	return await mm_renderer.thread_run(self.in_thread_render_ext, [textures, size, output_parameters_values])
+
 func render_2(rd : RenderingDevice, textures : Array[MMTexture], output_parameters_values, size : Vector2i, rids : RIDs) -> bool:
 	if not shader.is_valid():
 		push_warning("Rendering with invalid shader")
@@ -201,7 +202,7 @@ func render_2(rd : RenderingDevice, textures : Array[MMTexture], output_paramete
 		#print("Creating texture for "+output_texture.name)
 		output_textures_rids.append(create_output_texture(rd, size, output_texture.type))
 
-	var status : bool = await do_render(rd, output_textures_rids, size, rids, output_parameters_values)
+	var status : bool = do_render(rd, output_textures_rids, size, rids, output_parameters_values)
 	if ! status:
 		push_warning("Rendering failed")
 		return false
@@ -278,17 +279,7 @@ func do_render(rd : RenderingDevice, output_textures_rids : Array[RID], size : V
 	var chunk_count : int = max(1, size.x*size.y/(max_viewport_size*max_viewport_size))
 	var chunk_height : int = max(1, size.y/chunk_count)
 
-	#await render_loop(rd, size, chunk_height, uniform_set_0, uniform_set_1, uniform_set_2, uniform_set_4)
-	if true:
-		# Use threads
-		var thread : Thread = Thread.new()
-		thread.start(render_loop.bind(rd, size, chunk_height, uniform_set_0, uniform_set_1, uniform_set_2, uniform_set_4))
-		while thread.is_alive():
-			await mm_renderer.get_tree().process_frame
-
-		thread.wait_to_finish()
-	else:
-		render_loop(rd, size, chunk_height, uniform_set_0, uniform_set_1, uniform_set_2, uniform_set_4)
+	render_loop(rd, size, chunk_height, uniform_set_0, uniform_set_1, uniform_set_2, uniform_set_4)
 
 	if has_output_parameters:
 		for pn in output_parameters.keys():

addons/material_maker/engine/pipeline/compute_shader.gd.uid

@@ -0,0 +1 @@
+uid://cljvoqip731pb

addons/material_maker/engine/pipeline/pipeline.gd

@@ -384,6 +384,8 @@ func get_output_parameters_declarations() -> String:
 	return output_parameters_declarations
 
 func create_texture(rd : RenderingDevice, texture_size : Vector2i, texture_type : int, usage_bits : int):
+	if texture_size.x == 0 or texture_size.y == 0:
+		return RID()
 	var fmt : RDTextureFormat = RDTextureFormat.new()
 	var texture_type_struct : Dictionary = TEXTURE_TYPE[texture_type]
 	fmt.width = texture_size.x
@@ -393,11 +395,8 @@ func create_texture(rd : RenderingDevice, texture_size : Vector2i, texture_type
 	fmt.texture_type = RenderingDevice.TEXTURE_TYPE_2D
 
 	var view : RDTextureView = RDTextureView.new()
-
-	var data = PackedByteArray()
-	data.resize(fmt.height*fmt.width*texture_type_struct.channels*texture_type_struct.bytes_per_channel)
 
-	return rd.texture_create(fmt, view, [data])
+	return rd.texture_create(fmt, view, [])
 
 func create_output_texture(rd : RenderingDevice, texture_size : Vector2i, texture_type : int, is_framebuffer : bool = false) -> RID:
 	var usage_bits : int

addons/material_maker/engine/pipeline/pipeline.gd.uid

@@ -0,0 +1 @@
+uid://cy12cyam077nq