diff --git a/tests/ComputeSharp.D2D1.Tests/D2D1PixelShaderTests.cs b/tests/ComputeSharp.D2D1.Tests/D2D1PixelShaderTests.cs
index fd0c2545c..aa085cc86 100644
--- a/tests/ComputeSharp.D2D1.Tests/D2D1PixelShaderTests.cs
+++ b/tests/ComputeSharp.D2D1.Tests/D2D1PixelShaderTests.cs
@@ -558,12 +558,15 @@ public float4 Execute()
         [D2DInputCount(1)]
         [D2DInputComplex(0)]
         [D2DShaderProfile(D2D1ShaderProfile.PixelShader40Level91)]
+        [D2DRequiresScenePosition]
         [D2DGeneratedPixelShaderDescriptor]
         internal readonly partial struct ComplexShaderWithExplicitShaderProfileAndNoCompileOptions : ID2D1PixelShader
         {
             public float4 Execute()
             {
-                return D2D.GetInput(0);
+                float2 uv = D2D.GetScenePosition().XY;
+
+                return D2D.SampleInput(0, uv);
             }
         }
 
diff --git a/tests/ComputeSharp.D2D1.Tests/D2D1ReflectionServicesTests.cs b/tests/ComputeSharp.D2D1.Tests/D2D1ReflectionServicesTests.cs
index a447701d7..64507197b 100644
--- a/tests/ComputeSharp.D2D1.Tests/D2D1ReflectionServicesTests.cs
+++ b/tests/ComputeSharp.D2D1.Tests/D2D1ReflectionServicesTests.cs
@@ -21,7 +21,7 @@ public void GetShaderInfo()
         Assert.AreEqual("""
             #define D2D_INPUT_COUNT 3
             #define D2D_INPUT0_SIMPLE
-            #define D2D_INPUT1_COMPLEX
+            #define D2D_INPUT1_SIMPLE
             #define D2D_INPUT2_COMPLEX
             #define D2D_REQUIRES_SCENE_POSITION
 
@@ -52,7 +52,7 @@ public void GetShaderInfo()
 
     [D2DInputCount(3)]
     [D2DInputSimple(0)]
-    [D2DInputComplex(1)]
+    [D2DInputSimple(1)]
     [D2DInputComplex(2)]
     [D2DRequiresScenePosition]
     [D2DShaderProfile(D2D1ShaderProfile.PixelShader41)]
@@ -98,6 +98,7 @@ public void GetShaderInfoWithDoublePrecisionFeature()
 
         Assert.AreEqual("""
             #define D2D_INPUT_COUNT 1
+            #define D2D_INPUT0_SIMPLE
 
             #include "d2d1effecthelpers.hlsli"
 
@@ -113,6 +114,7 @@ public void GetShaderInfoWithDoublePrecisionFeature()
     }
 
     [D2DInputCount(1)]
+    [D2DInputSimple(0)]
     [D2DRequiresDoublePrecisionSupport]
     [D2DShaderProfile(D2D1ShaderProfile.PixelShader50)]
     [D2DGeneratedPixelShaderDescriptor]
diff --git a/tests/ComputeSharp.D2D1.WinUI.Tests/Tests/PixelShaderEffectTests.cs b/tests/ComputeSharp.D2D1.WinUI.Tests/Tests/PixelShaderEffectTests.cs
index 7207cdedd..318d43b85 100644
--- a/tests/ComputeSharp.D2D1.WinUI.Tests/Tests/PixelShaderEffectTests.cs
+++ b/tests/ComputeSharp.D2D1.WinUI.Tests/Tests/PixelShaderEffectTests.cs
@@ -473,6 +473,7 @@ public float4 Execute()
     }
 
     [D2DInputCount(1)]
+    [D2DInputSimple(0)]
     [D2DGeneratedPixelShaderDescriptor]
     [AutoConstructor]
     internal readonly partial struct ShaderWithSomePropertiesAndInputs : ID2D1PixelShader