Add ShaderProfileFeatures for more expendable shader feature sets

Source/Engine/Graphics/Enums.h

@@ -147,6 +147,37 @@ API_ENUM() enum class ShaderProfile
 
 const Char* ToString(ShaderProfile value);
 
+/// <summary>
+/// Shader profile feature flags. Defines a set of features supported by a shader profile.
+/// </summary>
+API_ENUM() enum class ShaderProfileFeatures
+{
+    /// <summary>
+    /// Nothing.
+    /// </summary>
+    None = 0,
+
+    /// <summary>
+    /// Compute shaders are supported.
+    /// </summary>
+    ComputeShaders = 1,
+
+    /// <summary>
+    /// Geometry shaders are supported.
+    /// </summary>
+    GeometryShaders = 2,
+
+    /// <summary>
+    /// Tessellation shaders are supported (Hull and Domain).
+    /// </summary>
+    TessellationShaders = 4,
+
+    API_ENUM(Attributes = "HideInEditor")
+    MAX
+};
+
+DECLARE_ENUM_OPERATORS(ShaderProfileFeatures);
+
 /// <summary>
 /// Graphics feature levels indicates what level of support can be relied upon. 
 /// They are named after the graphics API to indicate the minimum level of the features set to support. 

Source/Engine/Graphics/RenderTools.cpp

@@ -9,7 +9,6 @@
 #include "RenderTask.h"
 #include "Engine/Content/Assets/Model.h"
 #include "Engine/Content/Assets/SkinnedModel.h"
-#include "Engine/Core/Log.h"
 #include "Engine/Core/Math/Packed.h"
 #include "Engine/Core/Math/OrientedBoundingBox.h"
 #include "Engine/Engine/Time.h"
@@ -281,6 +280,24 @@ FeatureLevel RenderTools::GetFeatureLevel(ShaderProfile profile)
     }
 }
 
+ShaderProfileFeatures RenderTools::GetShaderProfileFeatures(ShaderProfile profile)
+{
+    switch (profile)
+    {
+    case ShaderProfile::DirectX_SM6:
+    case ShaderProfile::DirectX_SM5:
+    case ShaderProfile::Vulkan_SM5:
+        return ShaderProfileFeatures::ComputeShaders | ShaderProfileFeatures::GeometryShaders | ShaderProfileFeatures::TessellationShaders;
+    case ShaderProfile::PS4:
+    case ShaderProfile::PS5:
+        return ShaderProfileFeatures::ComputeShaders | ShaderProfileFeatures::GeometryShaders;
+    case ShaderProfile::DirectX_SM4:
+        return ShaderProfileFeatures::GeometryShaders;
+    default:
+        return ShaderProfileFeatures::None;
+    }
+}
+
 bool RenderTools::CanSupportTessellation(ShaderProfile profile)
 {
     switch (profile)

Source/Engine/Graphics/RenderTools.h

@@ -47,12 +47,20 @@ public:
     /// <returns>The feature level matching the given shader profile.</returns>
     static FeatureLevel GetFeatureLevel(ShaderProfile profile);
 
+    /// <summary>
+    /// Gets the features for the given shader profile. Runtime device might not support all of them.
+    /// </summary>
+    /// <param name="profile">The shader profile.</param>
+    /// <returns>The feature flags for the given shader profile.</returns>
+    static ShaderProfileFeatures GetShaderProfileFeatures(ShaderProfile profile);
+
     /// <summary>
     /// Check if the given shader profile supports the tessellation. Runtime can reject tessellation support but it defines if given shader profile CAN support tessellation.
+    /// [Deprecated in v1.12]
     /// </summary>
     /// <param name="profile">The profile.</param>
     /// <returns>True if can support tessellation shaders, otherwise false.</returns>
-    static bool CanSupportTessellation(ShaderProfile profile);
+    DEPRECATED("Use GetShaderProfileFeatures instead") static bool CanSupportTessellation(ShaderProfile profile);
 
     /// <summary>
     /// Computes the image row pitch in bytes, and the slice pitch (size in bytes of the image) based on format, width, and height.