Add '[ConstantExpected]' attributes to 'D2D' intrinsics

src/ComputeSharp.D2D1/Intrinsics/D2D.cs

@@ -1,3 +1,4 @@
+using System.Diagnostics.CodeAnalysis;
 using ComputeSharp.Core.Intrinsics.Attributes;
 
 #pragma warning disable IDE0022
@@ -17,7 +18,7 @@ public static class D2D
     /// <returns>The color from the target input at the current coordinate, in <c>INPUTN</c> format.</returns>
     /// <remarks>This method is only available for simple inputs.</remarks>
     [HlslIntrinsicName("D2DGetInput")]
-    public static Float4 GetInput(int index) => throw new InvalidExecutionContextException($"{typeof(D2D)}.{nameof(GetInput)}({typeof(int)})");
+    public static Float4 GetInput([ConstantExpected(Min = 0, Max = 7)] int index) => throw new InvalidExecutionContextException($"{typeof(D2D)}.{nameof(GetInput)}({typeof(int)})");
 
     /// <summary>
     /// Returns the coordinate of the input texture at a specific index.
@@ -26,7 +27,7 @@ public static class D2D
     /// <returns>The input coordinate, in <c>TEXCOORDN</c> format.</returns>
     /// <remarks>This method is only available for complex inputs.</remarks>
     [HlslIntrinsicName("D2DGetInputCoordinate")]
-    public static Float4 GetInputCoordinate(int index) => throw new InvalidExecutionContextException($"{typeof(D2D)}.{nameof(GetInputCoordinate)}({typeof(int)})");
+    public static Float4 GetInputCoordinate([ConstantExpected(Min = 0, Max = 7)] int index) => throw new InvalidExecutionContextException($"{typeof(D2D)}.{nameof(GetInputCoordinate)}({typeof(int)})");
 
     /// <summary>
     /// Returns the value of the current scene position.
@@ -44,7 +45,7 @@ public static class D2D
     /// <returns>The sampled value from the texture, in <c>TEXCOORDN</c> format.</returns>
     /// <remarks>This method is only available for complex inputs.</remarks>
     [HlslIntrinsicName("D2DSampleInput")]
-    public static Float4 SampleInput(int index, Float2 uv) => throw new InvalidExecutionContextException($"{typeof(D2D)}.{nameof(SampleInput)}({typeof(int)}, {typeof(Float2)})");
+    public static Float4 SampleInput([ConstantExpected(Min = 0, Max = 7)] int index, Float2 uv) => throw new InvalidExecutionContextException($"{typeof(D2D)}.{nameof(SampleInput)}({typeof(int)}, {typeof(Float2)})");
 
     /// <summary>
     /// Samples the input texture at a specified index and at a given offset from the input coordinate.
@@ -54,7 +55,7 @@ public static class D2D
     /// <returns>The sampled value from the texture, in <c>TEXCOORDN</c> format.</returns>
     /// <remarks>This method is only available for complex inputs.</remarks>
     [HlslIntrinsicName("D2DSampleInputAtOffset")]
-    public static Float4 SampleInputAtOffset(int index, Float2 offset) => throw new InvalidExecutionContextException($"{typeof(D2D)}.{nameof(SampleInputAtOffset)}({typeof(int)}, {typeof(Float2)})");
+    public static Float4 SampleInputAtOffset([ConstantExpected(Min = 0, Max = 7)] int index, Float2 offset) => throw new InvalidExecutionContextException($"{typeof(D2D)}.{nameof(SampleInputAtOffset)}({typeof(int)}, {typeof(Float2)})");
 
     /// <summary>
     /// Samples the input texture at a specified index and at an absolute scene position (not an input-relative position).
@@ -64,5 +65,5 @@ public static class D2D
     /// <returns>The sampled value from the texture, in <c>TEXCOORDN</c> format.</returns>
     /// <remarks>This method is only available for complex inputs.</remarks>
     [HlslIntrinsicName("D2DSampleInputAtPosition")]
-    public static Float4 SampleInputAtPosition(int index, Float2 uv) => throw new InvalidExecutionContextException($"{typeof(D2D)}.{nameof(SampleInputAtPosition)}({typeof(int)}, {typeof(Float2)})");
+    public static Float4 SampleInputAtPosition([ConstantExpected(Min = 0, Max = 7)] int index, Float2 uv) => throw new InvalidExecutionContextException($"{typeof(D2D)}.{nameof(SampleInputAtPosition)}({typeof(int)}, {typeof(Float2)})");
 }