Add not_texture documentation

Docs/src/manual/Migrating/Ogre4.0.Changes.md

@@ -37,4 +37,31 @@ Once that's done, most Hlms-related compiler errors (if setting [`OGRE_SHADER_CO
 
 You should Find & Replace in that order. If you first find all `setProperty( ` and replace them with `setProperty( kNoTid, `; you will end up with code that compiles but introduces race conditions and no way to identify them.
 
-However if you first find all `setProperty( ` and replace them with `setProperty( tid, `, you will end up with code that does not compile wherever `kNoTid` should be used (still exercise care when replacing `tid` with `kNoTid`, make sure to be conscious of it. See [The tid (Thread ID) argument](@ref HlmsThreading_tidArgument) for details).
+However if you first find all `setProperty( ` and replace them with `setProperty( tid, `, you will end up with code that does not compile wherever `kNoTid` should be used (still exercise care when replacing `tid` with `kNoTid`, make sure to be conscious of it. See [The tid (Thread ID) argument](@ref HlmsThreading_tidArgument) for details).
+
+## Compositor Script changes
+
+Added the `not_texture` keyword. This can improve performance in scenarios where you don't intend to sample from this texture i.e. usually in conjuntion with either the `uav` or `explicit_resolve` keywords:
+
+```
+compositor_node RenderingNodeMsaa
+{
+	in 0 rt_renderwindow
+
+	texture msaaSurface target_width target_height target_format target_orientation_mode msaa 4 not_texture explicit_resolve
+
+	rtv mainRtv
+	{
+		colour 0 msaaSurface resolve rt_renderwindow
+	}
+
+	target mainRtv
+	{
+		pass render_scene
+		{
+		}
+	}
+
+	out 0 rt_renderwindow
+}
+```

Docs/src/manual/Scripts/compositor.md

@@ -2012,7 +2012,7 @@ Also setting Textures that are RenderTargets is dangerous. For RenderTargets, ch
 ```cpp
 texture <name> <width> <height> [depth] <pixel_format> [msaa <N>] [msaa_auto]
 [depth_texture] [depth_pool <poolId>] [uav] [2d_array|3d|cubemap] [mipmaps <numMips>] [no_automipmaps] [reinterpretable]
-[explicit_resolve]
+[explicit_resolve] [not_texture]
 ```
 
 @param name
@@ -2100,7 +2100,12 @@ The reinterpretation must be supported by the GPU and API.
 @param explicit\_resolve
 
 When absent (default), MSAA textures will have an extra non-MSAA copy where the contents are always resolved (unless store actions are not set to resolve).<br/>
-When present, there is no extra copy; and you must setup the RTV manually with a different non-MSAA texture where to resolve to. See [MSAA with Explicit Resolves](@ref MSAAExplicitResolves)
+When present, there is no extra copy; and you must setup the RTV manually with a different non-MSAA texture where to resolve to. See [MSAA with Explicit Resolves](@ref MSAAExplicitResolves).
+
+@param not\_texture
+
+When absent (default), the texture can be bound as a regular texture for sampling (e.g. with point/bilinear filtering).
+When present, you can't sample from this texture. This flag is useful if you intend to use it together with uav or explicit\_resolve.
 
 ### MSAA: Explicit vs Implicit resolves {#CompositorNodesTexturesMsaa}