Alpha to coverage fixes. (#25)

Docs/ClippingPrimitives.md

@@ -10,20 +10,23 @@ keywords: Unreal, Unreal Engine, UE4, HoloLens, HoloLens 2, Mixed Reality, devel
 
 # Clipping primitives
 
-Clipping primitives can be used to dynamically slice away a mesh and peer inside the geometry. This is useful whenever you need to inspect the inner workings of a complex model. 
+Clipping primitives can be used to dynamically slice away a mesh and peer inside the geometry. This is useful whenever you need to inspect the inner workings of a complex model.
 
 A clipping primitive represents an analytic shape that passes its state and transformation data into a [material parameter collection](https://docs.unrealengine.com/en-US/RenderingAndGraphics/Materials/ParameterCollections/index.html). [Material functions](https://docs.unrealengine.com/en-US/RenderingAndGraphics/Materials/Functions/index.html) can then take this primitive data and perform calculations, such as returning the signed distance from the shape's surface.
 
 ![ClippingPrimitives](Images/FeatureCards/ClippingPrimitives.png)
 
-> [!NOTE] 
+> [!NOTE]
 > The clipping algorithm is optimized for mixed reality but requires the use of [masked or translucent](https://docs.unrealengine.com/en-US/RenderingAndGraphics/Materials/MaterialProperties/BlendModes/index.html) materials. Masked and translucent materials have additional overhead over opaque ones and should be used sparingly.
 
 Graphics Tools contains a few clipping primitive types for developers to pick from. All clipping primitive components derive from the `UGTClippingPrimitiveComponent`.
 
-> [!NOTE] 
+> [!NOTE]
 > By default, Graphics Tools only transfers the data of one clipping primitive per type per level to materials (i.e., only one `MF_GTClippingSphere`, `MF_GTClippingBox`, etc. has an effect within a level.) To utilize more than one clipping primitive per type per level please see the [advanced usage](#Advanced-usage) section.
 
+> [!NOTE]
+> If your project uses MSAA you may see "banding artifacts" near clipped pixels. To fix this pass the alpha output of the clipping material function to the alpha input of the `MF_GTAlphaToCoverage` function. You can then use the output of that function for later calculations.
+
 ### Clipping plane
 
 The `UGTClippingPlane` component (or actor) represents an infinite plane. The plane's position is controlled by the component's transform location and plane normal is determined by transform's x axis direction. Use the `MF_GTClippingPlane` material function to calculate a point's signed distance from the primitive.

Docs/ReleaseNotes.md

@@ -22,13 +22,16 @@ The forth release of the Graphics Tools supports Windows, HoloLens 2, and Androi
 
 Graphics Tools can now be used with Unreal Engine 5.
 
+### Alpha to coverage material function
+
+If your project uses MSAA you may see "banding artifacts" near clipping primitive pixels. The `MF_GTAlphaToCoverage` function has been added to help fix this. See the [clipping primitive](ClippingPrimitives.md) documentation for more info.
+
 ## Breaking changes
 
-The plugin now assumes Unreal Engine 5 usage. For Unreal Engine 4 support please use [previous releases](https://github.com/microsoft/MixedReality-GraphicsTools-Unreal/releases) of Graphics Tools. 
+The plugin now assumes Unreal Engine 5 usage. For Unreal Engine 4 support please use [previous releases](https://github.com/microsoft/MixedReality-GraphicsTools-Unreal/releases) of Graphics Tools.
 
 ## Known issues
 
 ### The Visual Profiler's text looks blurry with TAA
 
 Text may not be readable when using temporal anti-aliasing (TAA). TAA is not supported on HoloLens 2 so text should be readable on device. 
-

GraphicsToolsProject/Config/DefaultEngine.ini

@@ -124,6 +124,7 @@ r.LightPropagationVolume=False
 ; Comment in to enable HLSL debugging in RenderDoc.
 ;r.Shaders.Optimize=0
 ;r.Shaders.KeepDebugInfo=1
+r.AntiAliasingMethod=3
 
 [/Script/EngineSettings.GameMapsSettings]
 EditorStartupMap=/GraphicsToolsExamples/Loader/Loader.Loader
@@ -147,3 +148,17 @@ bExplicitCanvasChildZOrder=True
 PackageName=com.Microsoft.GraphicsToolsProject
 bPackageDataInsideApk=True
 
+[/Script/AndroidFileServerEditor.AndroidFileServerRuntimeSettings]
+bEnablePlugin=True
+bAllowNetworkConnection=True
+SecurityToken=35F8B71049EFA20460CD309E889F3DF4
+bIncludeInShipping=False
+bAllowExternalStartInShipping=False
+bCompileAFSProject=False
+bUseCompression=False
+bLogFiles=False
+bReportStats=False
+ConnectionType=USBOnly
+bUseManualIPAddress=False
+ManualIPAddress=
+