Add some comments to the shader.

rpavlik · rpavlik · commit 7b63b223697e · 2015-08-17T12:42:38.000-05:00
diff --git a/OSVR-Unity/Assets/OSVRUnity/Resources/OsvrDistortion.shader b/OSVR-Unity/Assets/OSVRUnity/Resources/OsvrDistortion.shader
@@ -22,6 +22,9 @@
 /// Author: Greg Aring
 /// Email: greg@sensics.com
 /// </summary>
+
+/// Syntax reference: see http://docs.unity3d.com/Manual/SL-Shader.html
+
 Shader "Osvr/OsvrDistortion" {
 Properties
 {
@@ -54,6 +57,7 @@ Properties
 	}
 	float2 Distort(float2 p, float k1)
 	{
+    /// @todo would pow improve performance here? (by using SFU if available?)
 		float r2 = p.x * p.x + p.y * p.y;
 
 		float newRadius = (1 + k1*r2);

Original file line number	Diff line number	Diff line change
`@@ -22,6 +22,9 @@`
`22`	`22`	`/// Author: Greg Aring`
`23`	`23`	`/// Email: greg@sensics.com`
`24`	`24`	`/// </summary>`
	`25`	`+`
	`26`	`+/// Syntax reference: see http://docs.unity3d.com/Manual/SL-Shader.html`
	`27`	`+`
`25`	`28`	`Shader "Osvr/OsvrDistortion" {`
`26`	`29`	`Properties`
`27`	`30`	`{`
`@@ -54,6 +57,7 @@ Properties`
`54`	`57`	`}`
`55`	`58`	`float2 Distort(float2 p, float k1)`
`56`	`59`	`{`
	`60`	`+ /// @todo would pow improve performance here? (by using SFU if available?)`
`57`	`61`	`float r2 = p.x * p.x + p.y * p.y;`
`58`	`62`
`59`	`63`	`float newRadius = (1 + k1*r2);`