VS: Add source file property to set extra hlsl shader flags

Create a VS_SHADER_FLAGS source file property so that we can set all
other Visual Studio .hlsl shader file compilation flags.

1 files changed, 13 insertions, 0 deletions

diff --git a/Source/cmVisualStudio10TargetGenerator.cxx b/Source/cmVisualStudio10TargetGenerator.cxx
index b265c0e..d2f6ffd 100644
--- a/Source/cmVisualStudio10TargetGenerator.cxx
+++ b/Source/cmVisualStudio10TargetGenerator.cxx
@@ -1211,6 +1211,7 @@ void cmVisualStudio10TargetGenerator::WriteExtraSource(cmSourceFile const* sf)
   std::string shaderType;
   std::string shaderEntryPoint;
   std::string shaderModel;
+  std::string shaderAdditionalFlags;
   std::string ext = cmSystemTools::LowerCase(sf->GetExtension());
   if(ext == "hlsl")
     {
@@ -1233,6 +1234,12 @@ void cmVisualStudio10TargetGenerator::WriteExtraSource(cmSourceFile const* sf)
       shaderModel = sm;
       toolHasSettings = true;
       }
+    // Figure out if there's any additional flags to use
+    if (const char* saf = sf->GetProperty("VS_SHADER_FLAGS"))
+      {
+      shaderAdditionalFlags = saf;
+      toolHasSettings = true;
+      }
     }
   else if(ext == "jpg" ||
           ext == "png")
@@ -1342,6 +1349,12 @@ void cmVisualStudio10TargetGenerator::WriteExtraSource(cmSourceFile const* sf)
       (*this->BuildFileStream) << cmVS10EscapeXML(shaderModel)
                                << "</ShaderModel>\n";
       }
+    if(!shaderAdditionalFlags.empty())
+      {
+      this->WriteString("<AdditionalOptions>", 3);
+      (*this->BuildFileStream) << cmVS10EscapeXML(shaderAdditionalFlags)
+                               << "</AdditionalOptions>\n";
+      }
     this->WriteString("</", 2);
     (*this->BuildFileStream) << tool << ">\n";
     }