Engine directory for ticket #1

Engine/source/shaderGen/shaderComp.h

@@ -0,0 +1,99 @@
+//-----------------------------------------------------------------------------
+// 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.
+//-----------------------------------------------------------------------------
+#ifndef _SHADERCOMP_H_
+#define _SHADERCOMP_H_
+
+#ifndef _TVECTOR_H_
+#include "core/util/tVector.h"
+#endif
+
+#ifndef _MISCSHDRDAT_H_
+#include "materials/miscShdrDat.h"
+#endif
+
+class Stream;
+struct Var;
+
+//**************************************************************************
+// Shader Component - these objects are the main logical breakdown of a
+//    high level shader.  They represent the various data structures
+//    and the main() procedure necessary to create a shader.
+//**************************************************************************
+class ShaderComponent
+{
+public:
+   virtual ~ShaderComponent() {}
+   
+   virtual void print( Stream &stream ){};
+};
+
+
+//**************************************************************************
+// Connector Struct Component - used for incoming Vertex struct and also the
+//    "connection" struct shared by the vertex and pixel shader
+//**************************************************************************
+class ShaderConnector : public ShaderComponent
+{
+protected:
+   enum Consts
+   {
+      NUM_TEX_REGS = 8,
+   };
+
+   enum Elements
+   {
+      POSITION = 0,
+      NORMAL,
+      COLOR,
+      NUM_BASIC_ELEMS
+   };
+
+   Vector <Var*> mElementList;
+
+   U32 mCurTexElem;
+   U8 mName[32];
+
+public:
+
+   ShaderConnector();
+   virtual ~ShaderConnector();
+
+   ///
+   virtual Var* getElement(   RegisterType type, 
+                              U32 numElements = 1, 
+                              U32 numRegisters = -1 ) = 0;
+
+   virtual void setName( char *newName ) = 0;
+   virtual void reset() = 0;
+   virtual void sortVars() = 0;
+
+   virtual void print( Stream &stream ) = 0;
+};
+
+/// This is to provide common functionalty needed by vertex and pixel main defs
+class ParamsDef : public ShaderComponent
+{
+protected:
+   virtual void assignConstantNumbers() {}
+};
+
+#endif // _SHADERCOMP_H_