workaround ImageSharp.Benchmarks issues

Author: antonfirsov

tests/ImageSharp.Benchmarks/ImageSharp.Benchmarks.csproj

@@ -9,6 +9,9 @@
     <GenerateProgramFile>false</GenerateProgramFile>
     <!--Used to hide test project from dotnet test-->
     <IsTestProject>false</IsTestProject>
+
+    <!-- Uncomment this to run benchmarks depending on Colorful or Pfim (colorspaces and TGA): -->
+    <!--<SignAssembly>false</SignAssembly>-->
   </PropertyGroup>
 
   <ItemGroup>
@@ -25,4 +28,21 @@
     <PackageReference Include="System.Drawing.Common" />
   </ItemGroup>
 
+  <!-- Exclude benchmarks using internals, in case of unsigned benchmark execution: -->
+  <ItemGroup Condition="'$(SignAssembly)' == 'false'">
+    <Compile Remove="Codecs\Jpeg\BlockOperations\**" />
+    <Compile Remove="Codecs\Jpeg\DoubleBufferedStreams.cs" />
+    <Compile Remove="Codecs\Jpeg\YCbCrColorConversion.cs" />
+    <Compile Remove="Codecs\Jpeg\DecodeJpegParseStreamOnly.cs" />
+    <Compile Remove="Color\Bulk\**" />
+    <Compile Remove="Color\RgbToYCbCr.cs" />
+    <Compile Remove="Color\YCbCrToRgb.cs" />
+    <Compile Remove="General\Vectorization\**" />
+    <Compile Remove="General\PixelConversion\**" />
+    <Compile Remove="General\BasicMath\ModuloPowerOfTwoConstant.cs" />
+    <Compile Remove="General\BasicMath\ModuloPowerOfTwoVariable.cs" />
+    <Compile Remove="PixelBlenders\**" />
+    <Compile Remove="Samplers\Resize.cs" />
+  </ItemGroup>
+
 </Project>