actual initial commit lmao

textures/deband.gdshader

@@ -0,0 +1,49 @@
+// NOTE: Shader automatically converted from Godot Engine 4.3.stable's StandardMaterial3D.
+
+shader_type spatial;
+render_mode blend_mix, depth_draw_opaque, cull_disabled, diffuse_burley, specular_schlick_ggx;
+
+uniform vec4 albedo : source_color;
+uniform sampler2D texture_albedo : source_color, filter_linear_mipmap, repeat_enable;
+uniform float point_size : hint_range(0.1, 128.0, 0.1);
+
+uniform float roughness : hint_range(0.0, 1.0);
+uniform sampler2D texture_metallic : hint_default_white, filter_linear_mipmap, repeat_enable;
+uniform vec4 metallic_texture_channel;
+uniform sampler2D texture_roughness : hint_roughness_r, filter_linear_mipmap, repeat_enable;
+
+uniform float specular : hint_range(0.0, 1.0, 0.01);
+uniform float metallic : hint_range(0.0, 1.0, 0.01);
+
+uniform vec3 uv1_scale;
+uniform vec3 uv1_offset;
+uniform vec3 uv2_scale;
+uniform vec3 uv2_offset;
+
+uniform float debanding_dither;
+
+const vec3 noise_magic = vec3(0.06711056, 0.00583715, 52.9829189);
+
+void vertex() {
+	UV = UV * uv1_scale.xy + uv1_offset.xy;
+}
+
+void fragment() {
+	vec2 base_uv = UV;
+
+	vec4 albedo_tex = texture(texture_albedo, base_uv);
+	
+	// Add noise to albedo to hide banding
+    float offset = fract(noise_magic.z * fract(dot(FRAGCOORD.xy, noise_magic.xy)));
+    albedo_tex.rgb += vec3(offset, 1.0 - offset, offset) * debanding_dither;
+	
+	ALBEDO = albedo.rgb * albedo_tex.rgb;
+
+	float metallic_tex = dot(texture(texture_metallic, base_uv), metallic_texture_channel);
+	METALLIC = metallic_tex * metallic;
+	SPECULAR = specular;
+
+	vec4 roughness_texture_channel = vec4(1.0, 0.0, 0.0, 0.0);
+	float roughness_tex = dot(texture(texture_roughness, base_uv), roughness_texture_channel);
+	ROUGHNESS = roughness_tex * roughness;
+}