Alpha to coverage frame setting

com.unity.render-pipelines.high-definition/CHANGELOG.md

@@ -97,6 +97,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Added support for alpha to coverage for HDRP shaders and shader graph
 - Added support for Quality Levels to Subsurface Scattering.
 - Added option to disable XR rendering on the camera settings.
+- Added a frame setting for alpha to mask.
 
 ### Fixed
 - Fix when rescale probe all direction below zero (1219246)

com.unity.render-pipelines.high-definition/Documentation~/Frame-Settings.md

@@ -28,6 +28,7 @@ These settings determine the method that the Cameras and Reflection Probes using
 | - **Depth Prepass within Deferred** | If you enable Decals then HDRP forces a depth prepass and you can not disable this feature. This feature fills the depth buffer with all Meshes, without rendering any color. It is an optimization option that depends on the Unity Project you are creating, meaning that you should measure the performance before and after you enable this feature to make sure it benefits your Project. This is only available if you set **Lit Shader Mode** to **Deferred**. |
 | - **Clear GBuffers**                | Enable the checkbox to make HDRP clear GBuffers for Cameras using these Frame Settings. This is only available if you set **Lit Shader Mode** to **Deferred**. |
 | - **MSAA within Forward**           | Enable the checkbox to enable MSAA for the rendering components using these Frame Settings. This is only available if you set **Lit Shader Mode** to **Forward**. |
+| - **Alpha To Mask**                 | Enable the checkbox to make HDRP render with **Alpha to Mask** Materials that have enabled it. This is only available if you enable **MSAA within Forward**.")]
 | **Opaque Objects**                  | Enable the checkbox to make HDRP render Materials that have their **Surface Type** set to **Opaque**. If you disable this settings, Cameras/Reflection Probes using these Frame Settings do not render any opaque GameObjects. |
 | **Transparent Objects**             | Enable the checkbox to make HDRP render Materials that have their **Surface Type** set to **Transparent**. If you disable this setting, Cameras/Reflection Probes using these Frame Settings do not render any transparent GameObjects. |
 | **Decals**                          | Enable the checkbox to make HDRP process decals. Enable this on cameras that you want to render decals. |

com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/HDRenderPipeline.cs

@@ -3050,7 +3050,7 @@ DepthPrepassParameters PrepareDepthPrepass(CullingResults cull, HDCamera hdCamer
                     result.profilingId = HDProfileId.DepthPrepassForward;
 
                     RenderStateBlock? stateBlock = null;
-                    if (!hdCamera.frameSettings.IsEnabled(FrameSettingsField.MSAA))
+                    if (!hdCamera.frameSettings.IsEnabled(FrameSettingsField.AlphaToMask))
                         stateBlock = m_AlphaToMaskBlock;
 
                     result.mrtRendererListDesc = CreateOpaqueRendererListDesc( cull, hdCamera.camera, m_DepthOnlyAndDepthForwardOnlyPassNames, stateBlock: stateBlock, excludeObjectMotionVectors: objectMotionEnabled);
@@ -3804,7 +3804,7 @@ void RenderObjectsMotionVectors(CullingResults cullResults, HDCamera hdCamera, S
                 cmd.SetGlobalInt(HDShaderIDs._ColorMaskNormal, hdCamera.frameSettings.IsEnabled(FrameSettingsField.MSAA) ? (int)ColorWriteMask.All : 0);
 
                 RenderStateBlock? stateBlock = null;
-                if (hdCamera.frameSettings.litShaderMode == LitShaderMode.Deferred || !hdCamera.frameSettings.IsEnabled(FrameSettingsField.MSAA))
+                if (hdCamera.frameSettings.litShaderMode == LitShaderMode.Deferred || !hdCamera.frameSettings.IsEnabled(FrameSettingsField.AlphaToMask))
                     stateBlock = m_AlphaToMaskBlock;
 
                 CoreUtils.SetRenderTarget(cmd, m_SharedRTManager.GetMotionVectorsPassBuffersRTI(hdCamera.frameSettings), m_SharedRTManager.GetDepthStencilBuffer(hdCamera.frameSettings.IsEnabled(FrameSettingsField.MSAA)));

com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/Settings/FrameSettings.cs

@@ -102,6 +102,9 @@ public enum FrameSettingsField
         /// <summary>When enabled, Cameras using these Frame Settings calculate MSAA when they render the Scene. Set Lit Shader Mode to Forward to access this option.</summary>
         [FrameSettingsField(0, displayedName: "MSAA within Forward", negativeDependencies: new[] { LitShaderMode }, customOrderInGroup: 3, tooltip: "When enabled, Cameras using these Frame Settings calculate MSAA when they render the Scene. Set Lit Shader Mode to Forward to access this option.")]
         MSAA = 31,
+        /// <summary>When enabled, Cameras using these Frame Settings use Alpha To Mask. Activate MSAA to access this option.</summary>
+        [FrameSettingsField(0, displayedName: "Alpha To Mask", positiveDependencies: new[] { MSAA }, customOrderInGroup: 3, tooltip: "When enabled, Cameras using these Frame Settings use Alpha To Mask. Activate MSAA to access this option.")]
+        AlphaToMask = 56,
         /// <summary>When enabled, Cameras using these Frame Settings render opaque GameObjects.</summary>
         [FrameSettingsField(0, autoName: OpaqueObjects, customOrderInGroup: 4, tooltip: "When enabled, Cameras using these Frame Settings render opaque GameObjects.")]
         OpaqueObjects = 2,
@@ -422,6 +425,7 @@ partial struct FrameSettings
                 (uint)FrameSettingsField.SkyReflection,
                 (uint)FrameSettingsField.DirectSpecularLighting,
                 (uint)FrameSettingsField.RayTracing,
+                (uint)FrameSettingsField.AlphaToMask,
                 (uint)FrameSettingsField.ProbeVolume,
             }),
             lodBias = 1,
@@ -730,6 +734,7 @@ internal static void Sanitize(ref FrameSettings sanitizedFrameSettings, Camera c
             //MSAA only supported in forward
             // TODO: The work will be implemented piecemeal to support all passes
             bool msaa = sanitizedFrameSettings.bitDatas[(int)FrameSettingsField.MSAA] &= renderPipelineSettings.supportMSAA && sanitizedFrameSettings.litShaderMode == LitShaderMode.Forward;
+            sanitizedFrameSettings.bitDatas[(int)FrameSettingsField.AlphaToMask] &= msaa;
 
             // No recursive reflections
             sanitizedFrameSettings.bitDatas[(int)FrameSettingsField.SSR] &= renderPipelineSettings.supportSSR && !msaa && !preview;

com.unity.testing.hdrp/RP_Assets/HDRP_Test_Def_MSAAForward.asset

@@ -12,7 +12,7 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 0cf1dab834d4ec34195b920ea7bbf9ec, type: 3}
   m_Name: HDRP_Test_Def_MSAAForward
   m_EditorClassIdentifier: 
-  m_Version: 7
+  m_Version: 15
   m_ObsoleteFrameSettings:
     overrides: 0
     enableShadow: 0
@@ -153,60 +153,101 @@ MonoBehaviour:
   m_RenderPipelineRayTracingResources: {fileID: 0}
   m_DefaultVolumeProfile: {fileID: 11400000, guid: aea7ff43876258748be47d8751e0e9d5,
     type: 2}
+  m_DefaultLookDevProfile: {fileID: 11400000, guid: 254c4fe87beb7be4fa72e1681edbed02,
+    type: 2}
   m_RenderingPathDefaultCameraFrameSettings:
     bitDatas:
-      data1: 1288481013532
+      data1: 72130075896840028
       data2: 4539628424657829888
     lodBias: 1
     lodBiasMode: 0
+    lodBiasQualityLevel: 0
     maximumLODLevel: 0
     maximumLODLevelMode: 0
+    maximumLODLevelQualityLevel: 0
+    sssQualityMode: 0
+    sssQualityLevel: 0
+    sssCustomSampleBudget: 20
+    materialQuality: 0
   m_RenderingPathDefaultBakedOrCustomReflectionFrameSettings:
     bitDatas:
-      data1: 1174664249117
+      data1: 71543408426781
       data2: 4539628424389459968
     lodBias: 1
     lodBiasMode: 0
+    lodBiasQualityLevel: 0
     maximumLODLevel: 0
     maximumLODLevelMode: 0
+    maximumLODLevelQualityLevel: 0
+    sssQualityMode: 0
+    sssQualityLevel: 0
+    sssCustomSampleBudget: 20
+    materialQuality: 0
   m_RenderingPathDefaultRealtimeReflectionFrameSettings:
     bitDatas:
-      data1: 1251973594909
+      data1: 71895595679517
       data2: 4539628424389459968
     lodBias: 1
     lodBiasMode: 0
+    lodBiasQualityLevel: 0
     maximumLODLevel: 0
     maximumLODLevelMode: 0
+    maximumLODLevelQualityLevel: 0
+    sssQualityMode: 0
+    sssQualityLevel: 0
+    sssCustomSampleBudget: 20
+    materialQuality: 0
   m_RenderPipelineSettings:
     supportShadowMask: 1
     supportSSR: 0
+    supportSSRTransparent: 0
     supportSSAO: 1
     supportSubsurfaceScattering: 1
-    increaseSssSampleCount: 0
+    sssSampleBudget:
+      m_Values: 140000002800000050000000
+      m_SchemaId:
+        m_Id: With3Levels
     supportVolumetrics: 1
     increaseResolutionOfVolumetrics: 0
     supportLightLayers: 0
+    lightLayerName0: Light Layer default
+    lightLayerName1: Light Layer 1
+    lightLayerName2: Light Layer 2
+    lightLayerName3: Light Layer 3
+    lightLayerName4: Light Layer 4
+    lightLayerName5: Light Layer 5
+    lightLayerName6: Light Layer 6
+    lightLayerName7: Light Layer 7
     supportDistortion: 1
     supportTransparentBackface: 1
     supportTransparentDepthPrepass: 1
     supportTransparentDepthPostpass: 1
     colorBufferFormat: 74
+    supportCustomPass: 1
+    customBufferFormat: 12
     supportedLitShaderMode: 1
     supportDecals: 1
     msaaSampleCount: 8
     supportMotionVectors: 1
     supportRuntimeDebugDisplay: 0
     supportDitheringCrossFade: 0
     supportTerrainHole: 0
+    supportProbeVolume: 0
     supportRayTracing: 0
-    supportedRaytracingTier: 2
+    probeVolumeSettings:
+      atlasWidth: 128
+      atlasHeight: 128
+      atlasDepth: 512
+      atlasOctahedralDepthWidth: 2048
+      atlasOctahedralDepthHeight: 2048
     lightLoopSettings:
-      cookieSize: 128
-      cookieTexArraySize: 16
+      cookieAtlasSize: 512
+      cookieFormat: 74
       pointCookieSize: 128
       cubeCookieTexArraySize: 16
-      planarReflectionProbeCacheSize: 12
-      planarReflectionTextureSize: 512
+      cookieAtlasLastValidMip: 0
+      cookieTexArraySize: 16
+      planarReflectionAtlasSize: 2048
       reflectionProbeCacheSize: 64
       reflectionCubemapSize: 256
       reflectionCacheCompressed: 0
@@ -221,6 +262,7 @@ MonoBehaviour:
       maxAreaLightsOnScreen: 64
       maxEnvLightsOnScreen: 64
       maxDecalsOnScreen: 512
+      maxPlanarReflectionOnScreen: 16
     hdShadowInitParams:
       maxShadowRequests: 128
       directionalShadowsDepthBits: 32
@@ -233,26 +275,24 @@ MonoBehaviour:
         shadowAtlasResolution: 4096
         shadowAtlasDepthBits: 32
         useDynamicViewportRescale: 1
-      directionalLightsResolutionTiers:
-        lowQualityResolution: 256
-        mediumQualityResolution: 512
-        highQualityResolution: 1024
-        veryHighQualityResolution: 2048
-      punctualLightsResolutionTiers:
-        lowQualityResolution: 256
-        mediumQualityResolution: 512
-        highQualityResolution: 1024
-        veryHighQualityResolution: 2048
-      areaLightsResolutionTiers:
-        lowQualityResolution: 256
-        mediumQualityResolution: 512
-        highQualityResolution: 1024
-        veryHighQualityResolution: 2048
+      shadowResolutionDirectional:
+        m_Values: 00010000000200000004000000080000
+        m_SchemaId:
+          m_Id: With4Levels
+      shadowResolutionPunctual:
+        m_Values: 00010000000200000004000000080000
+        m_SchemaId:
+          m_Id: With4Levels
+      shadowResolutionArea:
+        m_Values: 00010000000200000004000000080000
+        m_SchemaId:
+          m_Id: With4Levels
       maxDirectionalShadowMapResolution: 2048
       maxPunctualShadowMapResolution: 2048
       maxAreaShadowMapResolution: 2048
       supportScreenSpaceShadows: 0
-      maxScreenSpaceShadows: 2
+      maxScreenSpaceShadowSlots: 4
+      screenSpaceShadowBufferFormat: 48
     decalSettings:
       drawDistance: 1000
       atlasWidth: 4096
@@ -261,6 +301,7 @@ MonoBehaviour:
     postProcessSettings:
       m_LutSize: 32
       lutFormat: 48
+      bufferFormat: 74
     dynamicResolutionSettings:
       enabled: 0
       maxPercentage: 100
@@ -273,9 +314,59 @@ MonoBehaviour:
       enabled: 1
       checkerboardDepthBuffer: 1
       upsampleType: 1
+    xrSettings:
+      singlePass: 1
+      occlusionMesh: 1
+      cameraJitter: 0
+    postProcessQualitySettings:
+      NearBlurSampleCount: 030000000500000008000000
+      NearBlurMaxRadius:
+      - 2
+      - 4
+      - 7
+      FarBlurSampleCount: 04000000070000000e000000
+      FarBlurMaxRadius:
+      - 5
+      - 8
+      - 13
+      DoFResolution: 040000000200000001000000
+      DoFHighQualityFiltering: 000101
+      MotionBlurSampleCount: 04000000080000000c000000
+      BloomRes: 040000000200000002000000
+      BloomHighQualityFiltering: 000101
+      ChromaticAberrationMaxSamples: 03000000060000000c000000
+    lightSettings:
+      useContactShadow:
+        m_Values: 
+        m_SchemaId:
+          m_Id: 
+    maximumLODLevel:
+      m_Values: 000000000000000000000000
+      m_SchemaId:
+        m_Id: With3Levels
+    lodBias:
+      m_Values:
+      - 1
+      - 1
+      - 1
+      m_SchemaId:
+        m_Id: With3Levels
+    lightingQualitySettings:
+      AOStepCount: 040000000600000010000000
+      AOFullRes: 000001
+      AOMaximumRadiusPixels: 200000002800000050000000
+      AOBilateralUpsample: 000101
+      AODirectionCount: 010000000200000004000000
+      ContactShadowSampleCount: 060000000a00000010000000
+      SSRMaxRaySteps: 100000002000000040000000
   allowShaderVariantStripping: 1
   enableSRPBatcher: 1
   shaderVariantLogLevel: 0
+  availableMaterialQualityLevels: -1
+  m_DefaultMaterialQualityLevel: 4
   diffusionProfileSettings: {fileID: 0}
   diffusionProfileSettingsList:
   - {fileID: 11400000, guid: 802c802428a2d9640a87e821dfcdd9e8, type: 2}
+  beforeTransparentCustomPostProcesses: []
+  beforePostProcessCustomPostProcesses: []
+  afterPostProcessCustomPostProcesses: []