Merge pull request #35470 from Chaosus/vs_docs

Docs for some nodes in visual shader

1 files changed, 19 insertions, 0 deletions

diff --git a/doc/classes/VisualShaderNodeColorFunc.xml b/doc/classes/VisualShaderNodeColorFunc.xml
index b37a669ee9..9e8e13245b 100644
--- a/doc/classes/VisualShaderNodeColorFunc.xml
+++ b/doc/classes/VisualShaderNodeColorFunc.xml
@@ -1,8 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <class name="VisualShaderNodeColorFunc" inherits="VisualShaderNode" category="Core" version="3.2">
 	<brief_description>
+		A [Color] function to be used within the visual shader graph.
 	</brief_description>
 	<description>
+		Accept a [Color] to the input port and transform it according to [member function].
 	</description>
 	<tutorials>
 	</tutorials>
@@ -10,12 +12,29 @@
 	</methods>
 	<members>
 		<member name="function" type="int" setter="set_function" getter="get_function" enum="VisualShaderNodeColorFunc.Function" default="0">
+			A function to be applied to the input color. See [enum Function] for options.
 		</member>
 	</members>
 	<constants>
 		<constant name="FUNC_GRAYSCALE" value="0" enum="Function">
+			Converts the color to grayscale using the following formula:
+			[codeblock]
+			vec3 c = input;
+			float max1 = max(c.r, c.g);
+			float max2 = max(max1, c.b);
+			float max3 = max(max1, max2);
+			return vec3(max3, max3, max3);
+			[/codeblock]
 		</constant>
 		<constant name="FUNC_SEPIA" value="1" enum="Function">
+			Applies sepia tone effect using the following formula:
+			[codeblock]
+			vec3 c = input;
+			float r = (c.r * 0.393) + (c.g * 0.769) + (c.b * 0.189);
+			float g = (c.r * 0.349) + (c.g * 0.686) + (c.b * 0.168);
+			float b = (c.r * 0.272) + (c.g * 0.534) + (c.b * 0.131);
+			return vec3(r, g, b);
+			[/codeblock]
 		</constant>
 	</constants>
 </class>