Add BackBufferPanel

README.md

@@ -59,6 +59,7 @@ That's it! I hope you've got ideas of what you'd like to share with others.
 |-|-|-|
 |[Array2D](addons/godot-next/references/array_2d.gd)|A 2D Array class.|GDScript
 |[ArrayMap](addons/godot-next/resources/array_map.gd)|A Resource that maps String keys to Variants in an Array for fast iteration. Serializes all data as individual properties to avoid storage bugs in Godot 3.x.|GDScript
+|[BackBufferPanel](addons/godot-next/gui/back_buffer_panel.gd)|A Control that copies its region to the render buffer so it can be used in screen-reading shaders.|GDScript
 |[BitFlag](addons/godot-next/references/bit_flag.gd)|A class that allows abstracts away the complexity of handling bit flag enum types.|GDScript
 |[Bitset](addons/godot-next/references/bitset.gd)|A class that allows for easily manipulated bitmasks of any size.|GDScript
 |[Behavior](addons/godot-next/resources/behavior.gd)|A Resource type that automatically calls Node-like notification methods when paired with the CallbackDelegator class.|GDScript

addons/godot-next/gui/back_buffer_panel.gd

@@ -0,0 +1,15 @@
+tool
+extends Control
+class_name BackBufferPanel, "../icons/icon_back_buffer_panel.svg"
+# author: Tlitookilakin
+# Description: Copies its render region to the render buffer for shader purposes
+
+onready var rid = get_canvas_item() # get RID
+
+func _draw():
+	if rid == null:
+		rid = get_canvas_item()
+	var rect: Rect2 = get_global_rect()
+	# screen-space coordinates are y-flipped. Remove in Godot 4.0.
+	rect.position.y = get_viewport_rect().size.y - rect.position.y - rect.size.y
+	VisualServer.canvas_item_set_copy_to_backbuffer(rid,visible,rect)

addons/godot-next/icons/icon_back_buffer_panel.svg.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/icon_back_buffer_panel.svg-7f395dceae456e98151a69912335fa8a.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://addons/godot-next/icons/icon_back_buffer_panel.svg"
+dest_files=[ "res://.import/icon_back_buffer_panel.svg-7f395dceae456e98151a69912335fa8a.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0