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diff --git a/linden/indra/newview/lldrawpoolsimple.cpp b/linden/indra/newview/lldrawpoolsimple.cpp
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+++ b/linden/indra/newview/lldrawpoolsimple.cpp
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+/** 
+ * @file lldrawpoolsimple.cpp
+ * @brief LLDrawPoolSimple class implementation
+ *
+ * Copyright (c) 2002-2007, Linden Research, Inc.
+ * 
+ * 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://secondlife.com/developers/opensource/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://secondlife.com/developers/opensource/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.
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "lldrawpoolsimple.h"
+
+#include "llagent.h"
+#include "llagparray.h"
+#include "lldrawable.h"
+#include "llface.h"
+#include "llsky.h"
+#include "pipeline.h"
+
+S32 LLDrawPoolSimple::sDiffTex = 0;
+
+LLDrawPoolSimple::LLDrawPoolSimple(LLViewerImage *texturep) :
+        LLDrawPool(POOL_SIMPLE,
+                           DATA_SIMPLE_IL_MASK | DATA_COLORS_MASK,
+                           DATA_SIMPLE_NIL_MASK),  // ady temp
+        mTexturep(texturep)
+{
+}
+
+LLDrawPool *LLDrawPoolSimple::instancePool()
+{
+        return new LLDrawPoolSimple(mTexturep);
+}
+
+BOOL LLDrawPoolSimple::match(LLFace* last_face, LLFace* facep)  
+{
+        if (gPipeline.hasRenderDebugFeatureMask(LLPipeline::RENDER_DEBUG_FEATURE_CHAIN_FACES) &&
+                !last_face->isState(LLFace::LIGHT | LLFace::FULLBRIGHT) &&
+                !facep->isState(LLFace::LIGHT | LLFace::FULLBRIGHT) &&
+                facep->getIndicesStart() == last_face->getIndicesStart()+last_face->getIndicesCount() &&
+                facep->getRenderColor() == last_face->getRenderColor())
+        {
+                if (facep->isState(LLFace::GLOBAL))
+                {
+                        if (last_face->isState(LLFace::GLOBAL))
+                        {
+                                return TRUE;
+                        }
+                }
+                else
+                {
+                        if (!last_face->isState(LLFace::GLOBAL))
+                        {
+                                if (last_face->getRenderMatrix() == facep->getRenderMatrix())
+                                {
+                                        return TRUE;
+                                }
+                        }
+                }
+        }
+        
+        return FALSE;
+}
+
+void LLDrawPoolSimple::prerender()
+{
+        mVertexShaderLevel = gPipeline.getVertexShaderLevel(LLPipeline::SHADER_OBJECT);
+}
+
+void LLDrawPoolSimple::beginRenderPass(S32 pass)
+{
+        glEnableClientState(GL_VERTEX_ARRAY);
+        glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+        glEnableClientState(GL_NORMAL_ARRAY);
+        if (gPipeline.getLightingDetail() >= 2)
+        {
+                glEnableClientState(GL_COLOR_ARRAY);
+        }
+
+        if (mVertexShaderLevel > 0)
+        {
+                S32 scatterTex = gPipeline.mObjectSimpleProgram.enableTexture(LLPipeline::GLSL_SCATTER_MAP);
+                LLViewerImage::bindTexture(gSky.mVOSkyp->getScatterMap(), scatterTex);
+                sDiffTex = gPipeline.mObjectSimpleProgram.enableTexture(LLPipeline::GLSL_DIFFUSE_MAP);
+        }
+}
+
+
+void LLDrawPoolSimple::render(S32 pass)
+{
+        LLFastTimer t(LLFastTimer::FTM_RENDER_SIMPLE);
+        if (mDrawFace.empty())
+        {
+                return;
+        }
+
+        bindGLVertexPointer();
+        bindGLTexCoordPointer();
+        bindGLNormalPointer();
+        if (gPipeline.getLightingDetail() >= 2)
+        {
+                bindGLColorPointer();
+        }
+
+        LLViewerImage* tex = getTexture();
+        LLGLState alpha_test(GL_ALPHA_TEST, FALSE);
+        LLGLState blend(GL_BLEND, FALSE);
+
+        if (tex)
+        {
+                LLViewerImage::bindTexture(tex,sDiffTex);
+                if (tex->getPrimaryFormat() == GL_ALPHA)
+                {
+                        // Enable Invisibility Hack
+                        alpha_test.enable();
+                        blend.enable();
+                }
+        }
+        else
+        {
+                LLImageGL::unbindTexture(sDiffTex, GL_TEXTURE_2D);
+        }
+
+        drawLoop();
+}
+
+void LLDrawPoolSimple::endRenderPass(S32 pass)
+{
+        if (mVertexShaderLevel > 0)
+        {
+                gPipeline.mObjectSimpleProgram.disableTexture(LLPipeline::GLSL_SCATTER_MAP);
+                gPipeline.mObjectSimpleProgram.disableTexture(LLPipeline::GLSL_DIFFUSE_MAP);
+                glActiveTextureARB(GL_TEXTURE0_ARB);
+                glEnable(GL_TEXTURE_2D);
+        }
+        
+        glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+        glDisableClientState(GL_NORMAL_ARRAY);
+        if (gPipeline.getLightingDetail() >= 2)
+        {
+                glDisableClientState(GL_COLOR_ARRAY);
+        }
+}
+
+void LLDrawPoolSimple::renderForSelect()
+{
+        if (mDrawFace.empty() || !mMemory.count())
+        {
+                return;
+        }
+
+        glEnableClientState ( GL_VERTEX_ARRAY );
+
+        bindGLVertexPointer();
+
+        for (std::vector<LLFace*>::iterator iter = mDrawFace.begin();
+                 iter != mDrawFace.end(); iter++)
+        {
+                LLFace *facep = *iter;
+                LLDrawable *drawable = facep->getDrawable();
+                if (drawable && !drawable->isDead() && (facep->getViewerObject()->mGLName))
+                {
+                        facep->renderForSelect();
+                }
+        }
+}
+
+
+void LLDrawPoolSimple::renderFaceSelected(LLFace *facep, 
+                                                                        LLImageGL *image, 
+                                                                        const LLColor4 &color,
+                                                                        const S32 index_offset, const S32 index_count)
+{
+        facep->renderSelected(image, color, index_offset, index_count);
+}
+
+
+void LLDrawPoolSimple::dirtyTexture(const LLViewerImage *texturep)
+{
+        if (mTexturep == texturep)
+        {
+                for (std::vector<LLFace*>::iterator iter = mReferences.begin();
+                         iter != mReferences.end(); iter++)
+                {
+                        LLFace *facep = *iter;
+                        gPipeline.markTextured(facep->getDrawable());
+                }
+        }
+}
+
+LLViewerImage *LLDrawPoolSimple::getTexture()
+{
+        return mTexturep;
+}
+
+LLViewerImage *LLDrawPoolSimple::getDebugTexture()
+{
+        return mTexturep;
+}
+
+LLColor3 LLDrawPoolSimple::getDebugColor() const
+{
+        return LLColor3(1.f, 1.f, 1.f);
+}
+
+S32 LLDrawPoolSimple::getMaterialAttribIndex()
+{
+        return gPipeline.mObjectSimpleProgram.mAttribute[LLPipeline::GLSL_MATERIAL_COLOR];
+}
+
+// virtual
+void LLDrawPoolSimple::enableShade()
+{
+        glDisableClientState(GL_COLOR_ARRAY);
+}
+
+// virtual
+void LLDrawPoolSimple::disableShade()
+{
+        glEnableClientState(GL_COLOR_ARRAY);
+}
+
+// virtual
+void LLDrawPoolSimple::setShade(F32 shade)
+{
+        glColor4f(0,0,0,shade);
+}