[gd_scene load_steps=16 format=2]

[ext_resource path="res://Shared/theme/gdquest.theme" type="Theme" id=1]
[ext_resource path="res://Demos/Glow2D/BlurGlow/Scene.tscn" type="PackedScene" id=2]
[ext_resource path="res://Shaders/gaussian_blur.shader" type="Shader" id=3]
[ext_resource path="res://Shaders/compose.shader" type="Shader" id=4]
[ext_resource path="res://Shaders/glow_prepass.shader" type="Shader" id=5]
[ext_resource path="res://Shared/sprites/robi_shaded.png" type="Texture" id=6]
[ext_resource path="res://Shared/Background2D/Demo2DBackground.tscn" type="PackedScene" id=7]
[ext_resource path="res://Utils/DebugViewer.gd" type="Script" id=8]
[ext_resource path="res://Shared/DemoInterface.tscn" type="PackedScene" id=9]

[sub_resource type="ShaderMaterial" id=1]
shader = ExtResource( 3 )
shader_param/blur_scale = Vector2( 0, 4 )

[sub_resource type="ShaderMaterial" id=2]
shader = ExtResource( 3 )
shader_param/blur_scale = Vector2( 4, 0 )

[sub_resource type="ShaderMaterial" id=3]
shader = ExtResource( 5 )
shader_param/glow_color = Color( 0.156863, 0.580392, 0.886275, 1 )

[sub_resource type="ViewportTexture" id=4]
viewport_path = NodePath("MaskView/Viewport")

[sub_resource type="ViewportTexture" id=5]
viewport_path = NodePath("MaskView/Viewport/Blur2/Viewport/Blur1/Viewport")

[sub_resource type="ShaderMaterial" id=6]
resource_local_to_scene = true
shader = ExtResource( 4 )
shader_param/glow_intensity = 8.0
shader_param/prepass_texture = SubResource( 5 )
shader_param/blur_texture = SubResource( 4 )

[node name="BlurGlowDemo" type="Control"]
anchor_right = 1.0
anchor_bottom = 1.0
theme = ExtResource( 1 )
__meta__ = {
"_edit_use_anchors_": false
}

[node name="Demo2DBackground" parent="." instance=ExtResource( 7 )]

[node name="MaskView" type="ViewportContainer" parent="."]
self_modulate = Color( 1, 1, 1, 0 )
anchor_right = 1.0
anchor_bottom = 1.0
stretch = true
__meta__ = {
"_edit_use_anchors_": false
}

[node name="Viewport" type="Viewport" parent="MaskView"]
size = Vector2( 1920, 1080 )
transparent_bg = true
handle_input_locally = false
usage = 0
render_target_update_mode = 3

[node name="Blur2" type="ViewportContainer" parent="MaskView/Viewport"]
material = SubResource( 1 )
anchor_right = 1.0
anchor_bottom = 1.0
stretch = true
__meta__ = {
"_edit_use_anchors_": false
}

[node name="Viewport" type="Viewport" parent="MaskView/Viewport/Blur2"]
size = Vector2( 1920, 1080 )
transparent_bg = true
handle_input_locally = false
usage = 0
render_target_update_mode = 3

[node name="Blur1" type="ViewportContainer" parent="MaskView/Viewport/Blur2/Viewport"]
material = SubResource( 2 )
anchor_right = 1.0
anchor_bottom = 1.0
stretch = true
__meta__ = {
"_edit_use_anchors_": false
}

[node name="Viewport" type="Viewport" parent="MaskView/Viewport/Blur2/Viewport/Blur1"]
size = Vector2( 1920, 1080 )
transparent_bg = true
handle_input_locally = false
usage = 0
render_target_update_mode = 3

[node name="Sprite" type="Sprite" parent="MaskView/Viewport/Blur2/Viewport/Blur1/Viewport"]
material = SubResource( 3 )
position = Vector2( 960, 540 )
texture = ExtResource( 6 )

[node name="MainView" type="ViewportContainer" parent="."]
material = SubResource( 6 )
anchor_right = 1.0
anchor_bottom = 1.0
stretch = true
__meta__ = {
"_edit_use_anchors_": false
}

[node name="Viewport" type="Viewport" parent="MainView"]
size = Vector2( 1920, 1080 )
transparent_bg = true
handle_input_locally = false
usage = 0
render_target_update_mode = 3

[node name="Scene" parent="MainView/Viewport" instance=ExtResource( 2 )]

[node name="Sprite" parent="MainView/Viewport/Scene" index="0"]
position = Vector2( 960, 540 )
scale = Vector2( 1, 1 )

[node name="RemoteTransform2D" type="RemoteTransform2D" parent="MainView/Viewport/Scene/Sprite" index="0"]
remote_path = NodePath("../../../../../MaskView/Viewport/Blur2/Viewport/Blur1/Viewport/Sprite")

[node name="DebugViewer" type="Control" parent="."]
margin_top = 120.0
margin_right = 40.0
margin_bottom = 160.0
script = ExtResource( 8 )
__meta__ = {
"_edit_use_anchors_": false
}

[node name="DemoText" parent="." instance=ExtResource( 9 )]
text_bbcode = "Takes a sprite with a flat color and blurs it in two passes: Blur1, Blur2.
This blurred texture is used as a mask (MaskView), which is fed into the MainView's shader. 
The MainView applies the glow around the character."

[editable path="MainView/Viewport/Scene"]