Engine directory for ticket #1

Engine/source/lighting/advanced/glsl/advancedLightingFeaturesGLSL.h

@@ -0,0 +1,158 @@
+//-----------------------------------------------------------------------------
+// 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 _DEFERREDFEATURESGLSL_H_
+#define _DEFERREDFEATURESGLSL_H_
+
+#include "shaderGen/GLSL/shaderFeatureGLSL.h"
+#include "shaderGen/GLSL/bumpGLSL.h"
+#include "shaderGen/GLSL/pixSpecularGLSL.h"
+
+class ConditionerMethodDependency;
+
+
+/// Lights the pixel by sampling from the light prepass buffer.  It will
+/// fall back to default vertex lighting functionality if  
+class DeferredRTLightingFeatGLSL : public RTLightingFeatGLSL
+{
+   typedef RTLightingFeatGLSL Parent;
+
+public:
+   virtual void processVert( Vector<ShaderComponent*> &componentList,
+                              const MaterialFeatureData &fd );
+
+   virtual void processPix(   Vector<ShaderComponent*> &componentList, 
+                              const MaterialFeatureData &fd );
+
+   virtual void processPixMacros(   Vector<GFXShaderMacro> &macros, 
+                                    const MaterialFeatureData &fd );
+
+   virtual Material::BlendOp getBlendOp(){ return Material::None; }
+
+   virtual Resources getResources( const MaterialFeatureData &fd );
+
+   virtual void setTexData(   Material::StageData &stageDat,
+                              const MaterialFeatureData &fd,
+                              RenderPassData &passData,
+                              U32 &texIndex );
+
+   virtual String getName()
+   {
+      return "Deferred RT Lighting Feature";
+   }
+};
+
+
+/// Used to write the normals during the depth/normal prepass.
+class DeferredBumpFeatGLSL : public BumpFeatGLSL
+{
+   typedef BumpFeatGLSL Parent;
+
+public:
+   virtual void processVert(  Vector<ShaderComponent*> &componentList,
+                              const MaterialFeatureData &fd );
+
+   virtual void processPix(   Vector<ShaderComponent*> &componentList, 
+                              const MaterialFeatureData &fd );
+
+   virtual Material::BlendOp getBlendOp() { return Material::LerpAlpha; }
+
+   virtual Resources getResources( const MaterialFeatureData &fd );
+
+   virtual void setTexData(   Material::StageData &stageDat,
+                              const MaterialFeatureData &fd,
+                              RenderPassData &passData,
+                              U32 &texIndex );
+
+   virtual String getName()
+   {
+      return "Bumpmap [Deferred]";
+   }
+};
+
+
+/// Generates specular highlights in the forward pass 
+/// from the light prepass buffer.
+class DeferredPixelSpecularGLSL : public PixelSpecularGLSL
+{
+   typedef PixelSpecularGLSL Parent;
+
+public:
+   virtual void processVert(  Vector<ShaderComponent*> &componentList,
+                              const MaterialFeatureData &fd );
+
+   virtual void processPix(   Vector<ShaderComponent*> &componentList, 
+                              const MaterialFeatureData &fd );
+
+   virtual Resources getResources( const MaterialFeatureData &fd );
+
+   virtual String getName()
+   {
+      return "Pixel Specular [Deferred]";
+   }
+};
+
+
+///
+class DeferredMinnaertGLSL : public ShaderFeatureGLSL
+{
+   typedef ShaderFeatureGLSL Parent;
+   
+public:
+   virtual void processPix(   Vector<ShaderComponent*> &componentList, 
+                              const MaterialFeatureData &fd );
+   virtual void processVert(  Vector<ShaderComponent*> &componentList,
+                              const MaterialFeatureData &fd );
+
+   virtual void processPixMacros(   Vector<GFXShaderMacro> &macros, 
+                                    const MaterialFeatureData &fd );
+
+   virtual Resources getResources( const MaterialFeatureData &fd );
+
+   virtual void setTexData(   Material::StageData &stageDat,
+                              const MaterialFeatureData &fd,
+                              RenderPassData &passData,
+                              U32 &texIndex );
+
+   virtual String getName()
+   {
+      return "Minnaert Shading [Deferred]";
+   }
+};
+
+
+///
+class DeferredSubSurfaceGLSL : public ShaderFeatureGLSL
+{
+   typedef ShaderFeatureGLSL Parent;
+
+public:
+   virtual void processPix(   Vector<ShaderComponent*> &componentList, 
+                              const MaterialFeatureData &fd );
+
+   virtual String getName()
+   {
+      return "Sub-Surface Approximation [Deferred]";
+   }
+};
+
+#endif // _DEFERREDFEATURESGLSL_H_