shaderlib: Add smart_denoise function, add example, move example images into separate folder; implements #29

examples/channel_offset.gdshader

@@ -1,6 +1,6 @@
 shader_type canvas_item;
 
-//!load ./swamp.jpg
+//!load ./images/swamp.jpg
 
 const vec2 offset_r = vec2(-0.002, -0.002);
 const vec2 offset_g = vec2(0., 0.);

examples/color_and_pixelate.gdshader

@@ -3,7 +3,7 @@ shader_type canvas_item;
 #include "res://shaderlib/hsv.gdshaderinc"
 #include "res://shaderlib/effects.gdshaderinc"
 
-//!load ./swamp.jpg
+//!load ./images/swamp.jpg
 
 void fragment() {
 	COLOR = pixelate(TEXTURE, UV, 200.0);

examples/denoise.gdshader

@@ -0,0 +1,9 @@
+shader_type canvas_item;
+
+//!load ./images/noisy.png
+
+#include "res://shaderlib/denoise.gdshaderinc"
+
+void fragment() {
+	COLOR = smart_denoise(TEXTURE, UV, 12.0, 1.0, .12);
+}

examples/greyscale.gdshader

@@ -1,6 +1,6 @@
 shader_type canvas_item;
 
-//!load ./swamp.jpg
+//!load ./images/swamp.jpg
 
 void fragment() {
 	float b = (COLOR.r + COLOR.g + COLOR.b) / 3.0;

examples/images/grass.png.import

@@ -3,15 +3,15 @@
 importer="texture"
 type="CompressedTexture2D"
 uid="uid://c1mh1d2f3u4ju"
-path="res://.godot/imported/grass.png-30af7213ed2d70b810b4ae788314a9e9.ctex"
+path="res://.godot/imported/grass.png-61a458998da568ce60ccb8a0c7caaf6d.ctex"
 metadata={
 "vram_texture": false
 }
 
 [deps]
 
-source_file="res://examples/grass.png"
-dest_files=["res://.godot/imported/grass.png-30af7213ed2d70b810b4ae788314a9e9.ctex"]
+source_file="res://examples/images/grass.png"
+dest_files=["res://.godot/imported/grass.png-61a458998da568ce60ccb8a0c7caaf6d.ctex"]
 
 [params]
 

examples/images/noisy.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://cfe2d0qes5x87"
+path="res://.godot/imported/noisy.png-1b2e79340785c6c0f50d5bad5ce97356.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://examples/images/noisy.png"
+dest_files=["res://.godot/imported/noisy.png-1b2e79340785c6c0f50d5bad5ce97356.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

examples/images/swamp.jpg.import

@@ -3,15 +3,15 @@
 importer="texture"
 type="CompressedTexture2D"
 uid="uid://ckjb0agn5btv7"
-path="res://.godot/imported/swamp.jpg-8e3eac7e7aacce65638e712310cdb35c.ctex"
+path="res://.godot/imported/swamp.jpg-1dfdcd52a5ef03d42a82a7f06acefa98.ctex"
 metadata={
 "vram_texture": false
 }
 
 [deps]
 
-source_file="res://examples/swamp.jpg"
-dest_files=["res://.godot/imported/swamp.jpg-8e3eac7e7aacce65638e712310cdb35c.ctex"]
+source_file="res://examples/images/swamp.jpg"
+dest_files=["res://.godot/imported/swamp.jpg-1dfdcd52a5ef03d42a82a7f06acefa98.ctex"]
 
 [params]
 

examples/lowpass.gdshader

@@ -1,6 +1,6 @@
 shader_type canvas_item;
 
-//!load ./swamp.jpg
+//!load ./images/swamp.jpg
 
 // Settings
 const float threshold = 0.6;

examples/multistep_distort.gdshader

@@ -1,7 +1,7 @@
 shader_type canvas_item;
 
 //!steps 9
-//!load ./swamp.jpg
+//!load ./images/swamp.jpg
 
 const float strength = 0.01;
 

examples/place_texture.gdshader

@@ -3,8 +3,8 @@ shader_type canvas_item;
 #include "res://shaderlib/transform.gdshaderinc"
 #include "res://shaderlib/transparency.gdshaderinc"
 
-//!load ./swamp.jpg
-//!load+ img2 ./grass.png
+//!load ./images/swamp.jpg
+//!load+ img2 ./images/grass.png
 
 uniform sampler2D img2: repeat_disable, filter_nearest;