Engine directory for ticket #1

Engine/source/shaderGen/shaderFeature.cpp

@@ -0,0 +1,73 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#include "platform/platform.h"
+#include "shaderGen/shaderFeature.h"
+
+#include "shaderGen/langElement.h"
+#include "shaderGen/shaderOp.h"
+
+
+void ShaderFeature::addDependency( const ShaderDependency *dependsOn )
+{
+   for ( U32 i = 0; i < mDependencies.size(); i++ )
+   {
+      if ( *mDependencies[i] == *dependsOn )
+         return;
+   }
+
+   mDependencies.push_back( dependsOn );
+}
+
+ShaderFeature::Resources ShaderFeature::getResources( const MaterialFeatureData &fd )
+{
+   Resources temp; 
+   return temp; 
+}
+
+const char* ShaderFeature::getOutputTargetVarName( OutputTarget target ) const
+{
+   const char* targName = "col";
+   if ( target != DefaultTarget )
+   {
+      targName = "col1";
+      AssertFatal(target == RenderTarget1, "yeah Pat is lame and didn't want to do bit math stuff, TODO");
+   }
+
+   return targName;
+}
+
+Var* ShaderFeature::findOrCreateLocal( const char *name, 
+                                       const char *type, 
+                                       MultiLine *multi )
+{
+   Var *outVar = (Var*)LangElement::find( name );
+   if ( !outVar )
+   {
+      outVar = new Var;
+      outVar->setType( type );
+      outVar->setName( name );
+      multi->addStatement( new GenOp( "   @;\r\n", new DecOp( outVar ) ) );
+   }
+
+   return outVar;
+}