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diff --git a/linden/indra/llrender/llglstates.h b/linden/indra/llrender/llglstates.h
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+/** 
+ * @file llglstates.h
+ * @brief LLGL states definitions
+ *
+ * $LicenseInfo:firstyear=2001&license=viewergpl$
+ * 
+ * Copyright (c) 2001-2008, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+//THIS HEADER SHOULD ONLY BE INCLUDED FROM llgl.h
+#ifndef LL_LLGLSTATES_H
+#define LL_LLGLSTATES_H
+
+#include "llimagegl.h"
+
+//----------------------------------------------------------------------------
+
+class LLGLDepthTest
+{
+        // Enabled by default
+public:
+        LLGLDepthTest(GLboolean depth_enabled, GLboolean write_enabled = GL_TRUE, GLenum depth_func = GL_LEQUAL);
+        
+        ~LLGLDepthTest();
+        
+        GLboolean mPrevDepthEnabled;
+        GLenum mPrevDepthFunc;
+        GLboolean mPrevWriteEnabled;
+private:
+        static GLboolean sDepthEnabled; // defaults to GL_FALSE
+        static GLenum sDepthFunc; // defaults to GL_LESS
+        static GLboolean sWriteEnabled; // defaults to GL_TRUE
+};
+
+//----------------------------------------------------------------------------
+
+class LLGLSDefault
+{
+protected:
+        LLGLEnable mColorMaterial;
+        LLGLDisable mAlphaTest, mBlend, mCullFace, mDither, mFog, 
+                mLineSmooth, mLineStipple, mNormalize, mPolygonSmooth,
+                mTextureGenQ, mTextureGenR, mTextureGenS, mTextureGenT,
+                mGLMultisample;
+public:
+        LLGLSDefault()
+                :
+                // Enable
+                mColorMaterial(GL_COLOR_MATERIAL),
+                // Disable
+                mAlphaTest(GL_ALPHA_TEST),
+                mBlend(GL_BLEND), 
+                mCullFace(GL_CULL_FACE),
+                mDither(GL_DITHER),
+                mFog(GL_FOG), 
+                mLineSmooth(GL_LINE_SMOOTH),
+                mLineStipple(GL_LINE_STIPPLE),
+                mNormalize(GL_NORMALIZE),
+                mPolygonSmooth(GL_POLYGON_SMOOTH),
+                mTextureGenQ(GL_TEXTURE_GEN_Q), 
+                mTextureGenR(GL_TEXTURE_GEN_R),
+                mTextureGenS(GL_TEXTURE_GEN_S), 
+                mTextureGenT(GL_TEXTURE_GEN_T),
+                mGLMultisample(GL_MULTISAMPLE_ARB)
+        { }
+};
+
+class LLGLSNoTexture 
+{
+public:
+        LLGLSNoTexture()
+        { LLImageGL::unbindTexture(0); }
+};
+
+class LLGLSObjectSelect
+{ 
+protected:
+        LLGLDisable mBlend, mFog, mAlphaTest;
+        LLGLEnable mCullFace;
+public:
+        LLGLSObjectSelect()
+                : mBlend(GL_BLEND), mFog(GL_FOG), 
+                  mAlphaTest(GL_ALPHA_TEST),
+                  mCullFace(GL_CULL_FACE)
+        { LLImageGL::unbindTexture(0); }
+};
+
+class LLGLSObjectSelectAlpha
+{
+protected:
+        LLGLEnable mAlphaTest;
+public:
+        LLGLSObjectSelectAlpha()
+                : mAlphaTest(GL_ALPHA_TEST)
+        {}
+};
+
+//----------------------------------------------------------------------------
+
+class LLGLSUIDefault
+{ 
+protected:
+        LLGLEnable mBlend, mAlphaTest;
+        LLGLDisable mCullFace;
+        LLGLDepthTest mDepthTest;
+public:
+        LLGLSUIDefault() 
+                : mBlend(GL_BLEND), mAlphaTest(GL_ALPHA_TEST),
+                  mCullFace(GL_CULL_FACE),
+                  mDepthTest(GL_FALSE, GL_TRUE, GL_LEQUAL)
+        {}
+};
+
+class LLGLSNoAlphaTest // : public LLGLSUIDefault
+{
+protected:
+        LLGLDisable mAlphaTest;
+public:
+        LLGLSNoAlphaTest()
+                : mAlphaTest(GL_ALPHA_TEST)
+        {}
+};
+
+class LLGLSNoTextureNoAlphaTest // : public LLGLSUIDefault
+{
+protected:
+        LLGLDisable mAlphaTest;
+public:
+        LLGLSNoTextureNoAlphaTest()
+                : mAlphaTest(GL_ALPHA_TEST)
+                  
+        { LLImageGL::unbindTexture(0); }
+};
+
+//----------------------------------------------------------------------------
+
+class LLGLSFog
+{
+protected:
+        LLGLEnable mFog;
+public:
+        LLGLSFog()
+                : mFog(GL_FOG)
+        {}
+};
+
+class LLGLSNoFog
+{
+protected:
+        LLGLDisable mFog;
+public:
+        LLGLSNoFog()
+                : mFog(GL_FOG)
+        {}
+};
+
+//----------------------------------------------------------------------------
+
+class LLGLSPipeline
+{ 
+protected:
+        LLGLEnable mCullFace;
+        LLGLDepthTest mDepthTest;
+public:
+        LLGLSPipeline()
+                : mCullFace(GL_CULL_FACE),
+                  mDepthTest(GL_TRUE, GL_TRUE, GL_LEQUAL)
+        { }             
+};
+
+class LLGLSPipelineAlpha // : public LLGLSPipeline
+{ 
+protected:
+        LLGLEnable mBlend, mAlphaTest;
+public:
+        LLGLSPipelineAlpha()
+                : mBlend(GL_BLEND),
+                  mAlphaTest(GL_ALPHA_TEST)
+        { }
+};
+
+class LLGLSPipelineEmbossBump
+{
+protected:
+        LLGLDisable mFog;
+public:
+        LLGLSPipelineEmbossBump()
+                : mFog(GL_FOG)
+        { }
+};
+
+class LLGLSPipelineSelection
+{ 
+protected:
+        LLGLDisable mCullFace;
+public:
+        LLGLSPipelineSelection()
+                : mCullFace(GL_CULL_FACE)
+        {}
+};
+
+class LLGLSPipelineAvatar
+{
+protected:
+        LLGLEnable mNormalize;
+public:
+        LLGLSPipelineAvatar()
+                : mNormalize(GL_NORMALIZE)
+        {}
+};
+
+class LLGLSPipelineSkyBox
+{ 
+protected:
+        LLGLDisable mAlphaTest, mCullFace, mFog;
+public:
+        LLGLSPipelineSkyBox()
+                : mAlphaTest(GL_ALPHA_TEST), mCullFace(GL_CULL_FACE), mFog(GL_FOG)
+        { }
+};
+
+class LLGLSTracker
+{
+protected:
+        LLGLEnable mCullFace, mBlend, mAlphaTest;
+public:
+        LLGLSTracker() :
+                mCullFace(GL_CULL_FACE),
+                mBlend(GL_BLEND),
+                mAlphaTest(GL_ALPHA_TEST)
+                
+        { LLImageGL::unbindTexture(0); }
+};
+
+//----------------------------------------------------------------------------
+
+class LLGLSSpecular
+{
+public:
+        LLGLSSpecular(const LLColor4& color, F32 shininess)
+        {
+                if (shininess > 0.0f)
+                {
+                        glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, color.mV);
+                        S32 shiny = (S32)(shininess*128.f);
+                        shiny = llclamp(shiny,0,128);
+                        glMateriali(GL_FRONT_AND_BACK, GL_SHININESS, shiny);
+                }
+        }
+        ~LLGLSSpecular()
+        {
+                glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, LLColor4(0.f,0.f,0.f,0.f).mV);
+                glMateriali(GL_FRONT_AND_BACK, GL_SHININESS, 0);
+        }
+};
+
+//----------------------------------------------------------------------------
+
+
+class LLGLSBlendFunc : public LLGLSPipeline {
+protected:
+        GLint mSavedSrc, mSavedDst;
+        LLGLEnable mBlend;
+
+public:
+        LLGLSBlendFunc(GLenum srcFunc, GLenum dstFunc) :
+                mBlend(GL_BLEND)
+        {
+                glGetIntegerv(GL_BLEND_SRC, &mSavedSrc);
+                glGetIntegerv(GL_BLEND_DST, &mSavedDst);
+                glBlendFunc(srcFunc, dstFunc);
+        }
+
+        ~LLGLSBlendFunc(void) {
+                glBlendFunc(mSavedSrc, mSavedDst);
+        }
+};
+
+
+#endif