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

examples/images/CREDITS.md

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+
+# Example Images
+
+- swamp.jpg by [clfr21 on Pixabay](https://pixabay.com/de/users/clfr21-6530007/)
+- grass.png by [GDJ on Pixabay](https://pixabay.com/users/gdj-1086657/)

examples/images/grass.png.import

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+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://c1mh1d2f3u4ju"
+path="res://.godot/imported/grass.png-61a458998da568ce60ccb8a0c7caaf6d.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://examples/images/grass.png"
+dest_files=["res://.godot/imported/grass.png-61a458998da568ce60ccb8a0c7caaf6d.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/noisy.png.import

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+[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

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