Engine directory for ticket #1

2026-04-26 06:45:36 +00:00 · 2012-09-19 11:15:01 -04:00 · 2012-09-19 11:15:01 -04:00 · 7dbfe6994d
commit 7dbfe6994d
parent 352279af7a
3795 changed files with 1363358 additions and 0 deletions
--- a/Engine/source/materials/matTextureTarget.h
+++ b/Engine/source/materials/matTextureTarget.h
@ -0,0 +1,163 @@
+//-----------------------------------------------------------------------------
+// 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 _MATTEXTURETARGET_H_
+#define _MATTEXTURETARGET_H_
+
+#ifndef _TDICTIONARY_H_
+#include "core/util/tDictionary.h"
+#endif
+#ifndef _REFBASE_H_
+#include "core/util/refBase.h"
+#endif
+#ifndef _GFXTEXTUREHANDLE_H_
+#include "gfx/gfxTextureHandle.h"
+#endif
+#ifndef _MRECT_H_
+#include "math/mRect.h"
+#endif
+#ifndef _GFXSTATEBLOCK_H_
+#include "gfx/gfxStateBlock.h"
+#endif
+#ifndef _UTIL_DELEGATE_H_
+#include "core/util/delegate.h"
+#endif
+
+struct GFXShaderMacro;
+class ConditionerFeature;
+
+
+///
+class NamedTexTarget : public WeakRefBase
+{
+public:
+   
+   ///
+   static NamedTexTarget* find( const String &name );
+
+   ///
+   NamedTexTarget();
+
+   ///
+   virtual ~NamedTexTarget();
+   
+   ///
+   bool registerWithName( const String &name );
+
+   ///
+   void unregister();
+
+   ///
+   bool isRegistered() const { return mIsRegistered; }
+
+   /// Returns the target name we were registered with.
+   const String& getName() const { return mName; }
+
+   // Register the passed texture with our name, unregistering "anyone"
+   // priorly registered with that name.   
+   // Pass NULL to only unregister.
+   void setTexture( GFXTextureObject *tex ) { setTexture( 0, tex ); }
+
+   ///
+   void setTexture( U32 index, GFXTextureObject *tex );   
+
+   ///
+   GFXTextureObject* getTexture( U32 index = 0 ) const;
+
+   /// The delegate used to override the getTexture method.
+   /// @see getTexture
+   typedef Delegate<GFXTextureObject*(U32)> TexDelegate;
+
+   /// 
+   /// @see getTexture
+   TexDelegate& getTextureDelegate() { return mTexDelegate; }
+   const TexDelegate& getTextureDelegate() const { return mTexDelegate; }
+
+   /// Release all the textures.
+   void release();
+
+   // NOTE:
+   //
+   // The following members are here to support the existing conditioner
+   // and target system used for the deferred gbuffer and lighting.
+   //
+   // We will refactor that system as part of material2 removing the concept
+   // of conditioners from C++ (moving them to HLSL/GLSL) and make the shader
+   // features which use the texture responsible for setting the correct sampler
+   // states.
+   //
+   // It could be that at this time this class could completely
+   // be removed and instead these textures can be registered
+   // with the TEXMGR and looked up there exclusively.
+   //
+   void setViewport( const RectI &viewport ) { mViewport = viewport; }
+   const RectI& getViewport() const { return mViewport; }
+   void setSamplerState( const GFXSamplerStateDesc &desc ) { mSamplerDesc = desc; }
+   void setupSamplerState( GFXSamplerStateDesc *desc ) const  { *desc = mSamplerDesc; }
+   void setConditioner( ConditionerFeature *cond ) { mConditioner = cond; }
+   ConditionerFeature* getConditioner() const { return mConditioner; }
+   void getShaderMacros( Vector<GFXShaderMacro> *outMacros );
+
+protected:
+   
+   typedef Map<String,NamedTexTarget*> TargetMap;
+
+   ///
+   static TargetMap smTargets;
+
+   ///
+   bool mIsRegistered;
+
+   /// The target name we were registered with.
+   String mName;
+
+   /// The held textures.
+   GFXTexHandle mTex[4];
+
+   ///
+   TexDelegate mTexDelegate;
+
+   ///
+   RectI mViewport; 
+
+   ///
+   GFXSamplerStateDesc mSamplerDesc;
+
+   ///
+   ConditionerFeature *mConditioner;
+};
+
+
+inline GFXTextureObject* NamedTexTarget::getTexture( U32 index ) const
+{
+   AssertFatal( index < 4, "NamedTexTarget::getTexture - Got invalid index!" );
+   if ( mTexDelegate.empty() )
+      return mTex[index];
+
+   return mTexDelegate( index );
+}
+
+
+/// A weak reference to a texture target.
+typedef WeakRefPtr<NamedTexTarget> NamedTexTargetRef;
+
+#endif // _MATTEXTURETARGET_H_