SH-2243 No deprecated calls for the whole session.

9 files changed, 239 insertions, 33 deletions

diff --git a/indra/newview/app_settings/shaders/class1/interface/alphamaskF.glsl b/indra/newview/app_settings/shaders/class1/interface/alphamaskF.glsl
new file mode 100644
index 0000000000..433ecc9d2a
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/interface/alphamaskF.glsl
@@ -0,0 +1,47 @@
+/** 
+ * @file alphamaskF.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2007, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
+uniform sampler2D diffuseMap;
+
+uniform float minimum_alpha;
+uniform float maximum_alpha;
+
+VARYING vec2 vary_texcoord0;
+VARYING vec4 vertex_color;
+
+void main() 
+{
+	vec4 col = vertex_color*texture2D(diffuseMap, vary_texcoord0.xy);
+	if (col.a < minimum_alpha || col.a > maximum_alpha)
+	{
+		discard;
+	}
+
+	gl_FragColor = col;
+}
diff --git a/indra/newview/app_settings/shaders/class1/interface/alphamaskV.glsl b/indra/newview/app_settings/shaders/class1/interface/alphamaskV.glsl
new file mode 100644
index 0000000000..3580d1f27b
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/interface/alphamaskV.glsl
@@ -0,0 +1,42 @@
+/** 
+ * @file alphamaskV.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2007, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+uniform mat4 texture_matrix0;
+uniform mat4 modelview_projection_matrix;
+
+ATTRIBUTE vec3 position;
+ATTRIBUTE vec4 diffuse_color;
+ATTRIBUTE vec2 texcoord0;
+
+VARYING vec4 vertex_color;
+VARYING vec2 vary_texcoord0;
+
+void main()
+{
+	gl_Position = modelview_projection_matrix * vec4(position, 1);
+	vary_texcoord0 =  (texture_matrix0 * vec4(texcoord0,0,1)).xy;
+	vertex_color = diffuse_color;
+}
+
diff --git a/indra/newview/lldynamictexture.cpp b/indra/newview/lldynamictexture.cpp
index 6f9ff6c210..5d6081a35c 100644
--- a/indra/newview/lldynamictexture.cpp
+++ b/indra/newview/lldynamictexture.cpp
@@ -211,9 +211,6 @@ BOOL LLViewerDynamicTexture::updateAllInstances()
 	LLGLSLShader::bindNoShader();
 	LLVertexBuffer::unbind();
 	
-	bool no_ff = LLGLSLShader::sNoFixedFunction;
-	LLGLSLShader::sNoFixedFunction = false;
-
 	BOOL result = FALSE;
 	BOOL ret = FALSE ;
 	for( S32 order = 0; order < ORDER_COUNT; order++ )
@@ -244,8 +241,6 @@ BOOL LLViewerDynamicTexture::updateAllInstances()
 		}
 	}
 
-	LLGLSLShader::sNoFixedFunction = no_ff;
-
 	return ret;
 }
 
diff --git a/indra/newview/llfloatermodelpreview.cpp b/indra/newview/llfloatermodelpreview.cpp
index 6412a573f5..4e06fb434a 100755
--- a/indra/newview/llfloatermodelpreview.cpp
+++ b/indra/newview/llfloatermodelpreview.cpp
@@ -102,6 +102,7 @@
 #include "llviewerobjectlist.h"
 #include "llanimationstates.h"
 #include "llviewernetwork.h"
+#include "llviewershadermgr.h"
 #include "glod/glod.h"
 #include <boost/algorithm/string.hpp>
 
@@ -4729,6 +4730,8 @@ BOOL LLModelPreview::render()
 	LLMutexLock lock(this);
 	mNeedsUpdate = FALSE;
 
+	bool use_shaders = LLGLSLShader::sNoFixedFunction;
+
 	bool edges = mViewOption["show_edges"];
 	bool joint_positions = mViewOption["show_joint_positions"];
 	bool skin_weight = mViewOption["show_skin_weight"];
@@ -4745,6 +4748,10 @@ BOOL LLModelPreview::render()
 	LLGLDisable fog(GL_FOG);
 
 	{
+		if (use_shaders)
+		{
+			gUIProgram.bind();
+		}
 		//clear background to blue
 		gGL.matrixMode(LLRender::MM_PROJECTION);
 		gGL.pushMatrix();
@@ -4764,6 +4771,10 @@ BOOL LLModelPreview::render()
 
 		gGL.matrixMode(LLRender::MM_MODELVIEW);
 		gGL.popMatrix();
+		if (use_shaders)
+		{
+			gUIProgram.unbind();
+		}
 	}
 
 	LLFloaterModelPreview* fmp = LLFloaterModelPreview::sInstance;
@@ -4895,6 +4906,11 @@ BOOL LLModelPreview::render()
 
 	const U32 type_mask = LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0;
 
+	if (use_shaders)
+	{
+		gObjectPreviewProgram.bind();
+	}
+
 	LLGLEnable normalize(GL_NORMALIZE);
 
 	if (!mBaseModel.empty() && mVertexBuffer[5].empty())
@@ -5297,6 +5313,11 @@ BOOL LLModelPreview::render()
 		}
 	}
 
+	if (use_shaders)
+	{
+		gObjectPreviewProgram.unbind();
+	}
+
 	gGL.popMatrix();
 
 	return TRUE;
diff --git a/indra/newview/llstartup.cpp b/indra/newview/llstartup.cpp
index 749acea6c1..11a4c96f14 100644
--- a/indra/newview/llstartup.cpp
+++ b/indra/newview/llstartup.cpp
@@ -1919,11 +1919,6 @@ bool idle_startup()
 				LLTrans::getString("LoginPrecaching"),
 					gAgent.mMOTD);
 			display_startup();
-			if (!LLViewerShaderMgr::sInitialized)
-			{
-				LLViewerShaderMgr::sInitialized = TRUE;
-				LLViewerShaderMgr::instance()->setShaders();
-			}
 		}
 		
 		return TRUE;
diff --git a/indra/newview/lltexlayer.cpp b/indra/newview/lltexlayer.cpp
index e2c2b2ae21..9f5cbf6ec8 100644
--- a/indra/newview/lltexlayer.cpp
+++ b/indra/newview/lltexlayer.cpp
@@ -294,13 +294,17 @@ BOOL LLTexLayerSetBuffer::render()
 	const BOOL update_now = mNeedsUpdate && isReadyToUpdate();
 	
 	BOOL success = TRUE;
+	
+	bool use_shaders = LLGLSLShader::sNoFixedFunction;
+
+	if (use_shaders)
+	{
+		gAlphaMaskProgram.bind();
+		gAlphaMaskProgram.setAlphaRange(0.004f, 1.f);
+	}
 
 	LLVertexBuffer::unbind();
 
-	//hack to use fixed function when updating tex layer sets
-	bool no_ff = LLGLSLShader::sNoFixedFunction;
-	LLGLSLShader::sNoFixedFunction = false;
-	
 	// Composite the color data
 	LLGLSUIDefault gls_ui;
 	success &= mTexLayerSet->render( mOrigin.mX, mOrigin.mY, mFullWidth, mFullHeight );
@@ -335,8 +339,12 @@ BOOL LLTexLayerSetBuffer::render()
 		doUpdate();
 	}
 
+	if (use_shaders)
+	{
+		gAlphaMaskProgram.unbind();
+	}
+
 	LLVertexBuffer::unbind();
-	LLGLSLShader::sNoFixedFunction = no_ff;
 	
 	// reset GL state
 	gGL.setColorMask(true, true);
@@ -927,6 +935,8 @@ BOOL LLTexLayerSet::render( S32 x, S32 y, S32 width, S32 height )
 		}
 	}
 
+	bool use_shaders = LLGLSLShader::sNoFixedFunction;
+
 	LLGLSUIDefault gls_ui;
 	LLGLDepthTest gls_depth(GL_FALSE, GL_FALSE);
 	gGL.setColorMask(true, true);
@@ -935,12 +945,20 @@ BOOL LLTexLayerSet::render( S32 x, S32 y, S32 width, S32 height )
 	{
 		gGL.flush();
 		LLGLDisable no_alpha(GL_ALPHA_TEST);
+		if (use_shaders)
+		{
+			gAlphaMaskProgram.setAlphaRange(0.0f, 1.f);
+		}
 		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
 		gGL.color4f( 0.f, 0.f, 0.f, 1.f );
 
 		gl_rect_2d_simple( width, height );
 
 		gGL.flush();
+		if (use_shaders)
+		{
+			gAlphaMaskProgram.setAlphaRange(0.004f, 1.f);
+		}
 	}
 
 	if (mIsVisible)
@@ -967,6 +985,11 @@ BOOL LLTexLayerSet::render( S32 x, S32 y, S32 width, S32 height )
 
 		gGL.setSceneBlendType(LLRender::BT_REPLACE);
 		LLGLDisable no_alpha(GL_ALPHA_TEST);
+		if (use_shaders)
+		{
+			gAlphaMaskProgram.setAlphaRange(0.f, 1.f);
+		}
+
 		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
 		gGL.color4f( 0.f, 0.f, 0.f, 0.f );
 
@@ -974,7 +997,10 @@ BOOL LLTexLayerSet::render( S32 x, S32 y, S32 width, S32 height )
 		gGL.setSceneBlendType(LLRender::BT_ALPHA);
 
 		gGL.flush();
-
+		if (use_shaders)
+		{
+			gAlphaMaskProgram.setAlphaRange(0.004f, 1.f);
+		}
 	}
 
 	return success;
@@ -1081,13 +1107,14 @@ void LLTexLayerSet::renderAlphaMaskTextures(S32 x, S32 y, S32 width, S32 height,
 {
 	const LLTexLayerSetInfo *info = getInfo();
 	
+	bool use_shaders = LLGLSLShader::sNoFixedFunction;
+
 	gGL.setColorMask(false, true);
 	gGL.setSceneBlendType(LLRender::BT_REPLACE);
 	
 	// (Optionally) replace alpha with a single component image from a tga file.
 	if (!info->mStaticAlphaFileName.empty())
 	{
-		LLGLSNoAlphaTest gls_no_alpha_test;
 		gGL.flush();
 		{
 			LLViewerTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture(info->mStaticAlphaFileName, TRUE);
@@ -1106,12 +1133,20 @@ void LLTexLayerSet::renderAlphaMaskTextures(S32 x, S32 y, S32 width, S32 height,
 		// Set the alpha channel to one (clean up after previous blending)
 		gGL.flush();
 		LLGLDisable no_alpha(GL_ALPHA_TEST);
+		if (use_shaders)
+		{
+			gAlphaMaskProgram.setAlphaRange(0.f, 1.f);
+		}
 		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
 		gGL.color4f( 0.f, 0.f, 0.f, 1.f );
 		
 		gl_rect_2d_simple( width, height );
 		
 		gGL.flush();
+		if (use_shaders)
+		{
+			gAlphaMaskProgram.setAlphaRange(0.004f, 1.f);
+		}
 	}
 	
 	// (Optional) Mask out part of the baked texture with alpha masks
@@ -1596,6 +1631,8 @@ BOOL LLTexLayer::render(S32 x, S32 y, S32 width, S32 height)
 	LLGLEnable color_mat(GL_COLOR_MATERIAL);
 	gPipeline.disableLights();
 
+	bool use_shaders = LLGLSLShader::sNoFixedFunction;
+
 	LLColor4 net_color;
 	BOOL color_specified = findNetColor(&net_color);
 	
@@ -1676,8 +1713,13 @@ BOOL LLTexLayer::render(S32 x, S32 y, S32 width, S32 height)
 			{
 				if( tex )
 				{
-					LLGLDisable alpha_test(getInfo()->mWriteAllChannels ? GL_ALPHA_TEST : 0);
-
+					bool no_alpha_test = getInfo()->mWriteAllChannels;
+					LLGLDisable alpha_test(no_alpha_test ? GL_ALPHA_TEST : 0);
+					if (use_shaders && no_alpha_test)
+					{
+						gAlphaMaskProgram.setAlphaRange(0.f, 1.f);
+					}
+					
 					LLTexUnit::eTextureAddressMode old_mode = tex->getAddressMode();
 					
 					gGL.getTexUnit(0)->bind(tex, TRUE);
@@ -1687,6 +1729,11 @@ BOOL LLTexLayer::render(S32 x, S32 y, S32 width, S32 height)
 
 					gGL.getTexUnit(0)->setTextureAddressMode(old_mode);
 					gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+					if (use_shaders && no_alpha_test)
+					{
+						gAlphaMaskProgram.setAlphaRange(0.004f, 1.f);
+					}
+					
 				}
 			}
 //			else
@@ -1719,9 +1766,17 @@ BOOL LLTexLayer::render(S32 x, S32 y, S32 width, S32 height)
 		color_specified )
 	{
 		LLGLDisable no_alpha(GL_ALPHA_TEST);
+		if (use_shaders)
+		{
+			gAlphaMaskProgram.setAlphaRange(0.f, 1.f);
+		}
 		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
 		gGL.color4fv( net_color.mV );
 		gl_rect_2d_simple( width, height );
+		if (use_shaders)
+		{
+			gAlphaMaskProgram.setAlphaRange(0.004f, 1.f);
+		}
 	}
 
 	if( alpha_mask_specified || getInfo()->mWriteAllChannels )
@@ -1809,15 +1864,25 @@ BOOL LLTexLayer::blendAlphaTexture(S32 x, S32 y, S32 width, S32 height)
 
 	gGL.flush();
 	
+	bool use_shaders = LLGLSLShader::sNoFixedFunction;
+
 	if( !getInfo()->mStaticImageFileName.empty() )
 	{
 		LLViewerTexture* tex = LLTexLayerStaticImageList::getInstance()->getTexture( getInfo()->mStaticImageFileName, getInfo()->mStaticImageIsMask );
 		if( tex )
 		{
 			LLGLSNoAlphaTest gls_no_alpha_test;
+			if (use_shaders)
+			{
+				gAlphaMaskProgram.setAlphaRange(0.f, 1.f);
+			}
 			gGL.getTexUnit(0)->bind(tex, TRUE);
 			gl_rect_2d_simple_tex( width, height );
 			gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+			if (use_shaders)
+			{
+				gAlphaMaskProgram.setAlphaRange(0.004f, 1.f);
+			}
 		}
 		else
 		{
@@ -1832,10 +1897,18 @@ BOOL LLTexLayer::blendAlphaTexture(S32 x, S32 y, S32 width, S32 height)
 			if (tex)
 			{
 				LLGLSNoAlphaTest gls_no_alpha_test;
+				if (use_shaders)
+				{
+					gAlphaMaskProgram.setAlphaRange(0.f, 1.f);
+				}
 				gGL.getTexUnit(0)->bind(tex);
 				gl_rect_2d_simple_tex( width, height );
 				gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
 				success = TRUE;
+				if (use_shaders)
+				{
+					gAlphaMaskProgram.setAlphaRange(0.004f, 1.f);
+				}
 			}
 		}
 	}
@@ -1854,6 +1927,13 @@ BOOL LLTexLayer::renderMorphMasks(S32 x, S32 y, S32 width, S32 height, const LLC
 
 	llassert( !mParamAlphaList.empty() );
 
+	bool use_shaders = LLGLSLShader::sNoFixedFunction;
+
+	if (use_shaders)
+	{
+		gAlphaMaskProgram.setAlphaRange(0.f, 1.f);
+	}
+
 	gGL.setColorMask(false, true);
 
 	LLTexLayerParamAlpha* first_param = *mParamAlphaList.begin();
@@ -1891,7 +1971,6 @@ BOOL LLTexLayer::renderMorphMasks(S32 x, S32 y, S32 width, S32 height, const LLC
 		if( tex && (tex->getComponents() == 4) )
 		{
 			LLGLSNoAlphaTest gls_no_alpha_test;
-
 			LLTexUnit::eTextureAddressMode old_mode = tex->getAddressMode();
 			
 			gGL.getTexUnit(0)->bind(tex, TRUE);
@@ -1930,6 +2009,10 @@ BOOL LLTexLayer::renderMorphMasks(S32 x, S32 y, S32 width, S32 height, const LLC
 		gl_rect_2d_simple( width, height );
 	}
 
+	if (use_shaders)
+	{
+		gAlphaMaskProgram.setAlphaRange(0.004f, 1.f);
+	}
 
 	LLGLSUIDefault gls_ui;
 
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index 7155311f8e..23351fc994 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -70,6 +70,7 @@ LLGLSLShader	gGlowCombineFXAAProgram;
 LLGLSLShader	gTwoTextureAddProgram;
 LLGLSLShader	gOneTextureNoColorProgram;
 LLGLSLShader	gDebugProgram;
+LLGLSLShader	gAlphaMaskProgram;
 
 //object shaders
 LLGLSLShader		gObjectSimpleProgram;
@@ -219,6 +220,7 @@ LLViewerShaderMgr::LLViewerShaderMgr() :
 	mShaderList.push_back(&gSolidColorProgram);
 	mShaderList.push_back(&gOcclusionProgram);
 	mShaderList.push_back(&gDebugProgram);
+	mShaderList.push_back(&gAlphaMaskProgram);
 	mShaderList.push_back(&gObjectEmissiveProgram);
 	mShaderList.push_back(&gObjectEmissiveWaterProgram);
 	mShaderList.push_back(&gObjectFullbrightProgram);
@@ -674,6 +676,7 @@ void LLViewerShaderMgr::unloadShaders()
 {
 	gOcclusionProgram.unload();
 	gDebugProgram.unload();
+	gAlphaMaskProgram.unload();
 	gUIProgram.unload();
 	gCustomAlphaProgram.unload();
 	gGlowCombineProgram.unload();
@@ -2747,6 +2750,16 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		success = gDebugProgram.createShader(NULL, NULL);
 	}
 
+	if (success)
+	{
+		gAlphaMaskProgram.mName = "Alpha Mask Shader";
+		gAlphaMaskProgram.mShaderFiles.clear();
+		gAlphaMaskProgram.mShaderFiles.push_back(make_pair("interface/alphamaskV.glsl", GL_VERTEX_SHADER_ARB));
+		gAlphaMaskProgram.mShaderFiles.push_back(make_pair("interface/alphamaskF.glsl", GL_FRAGMENT_SHADER_ARB));
+		gAlphaMaskProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		success = gAlphaMaskProgram.createShader(NULL, NULL);
+	}
+
 	if( !success )
 	{
 		mVertexShaderLevel[SHADER_INTERFACE] = 0;
diff --git a/indra/newview/llviewershadermgr.h b/indra/newview/llviewershadermgr.h
index 1c9d7f8453..9988d1d4f7 100644
--- a/indra/newview/llviewershadermgr.h
+++ b/indra/newview/llviewershadermgr.h
@@ -275,7 +275,8 @@ extern LLGLSLShader			gCustomAlphaProgram;
 extern LLGLSLShader			gGlowCombineProgram;
 extern LLGLSLShader			gSplatTextureRectProgram;
 extern LLGLSLShader			gGlowCombineFXAAProgram;
-extern LLGLSLShader		gDebugProgram;
+extern LLGLSLShader			gDebugProgram;
+extern LLGLSLShader			gAlphaMaskProgram;
 
 //output tex0[tc0] + tex1[tc1]
 extern LLGLSLShader			gTwoTextureAddProgram;
diff --git a/indra/newview/llviewerwindow.cpp b/indra/newview/llviewerwindow.cpp
index cfdbfd3f03..2e2614e429 100644
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
@@ -1574,6 +1574,12 @@ LLViewerWindow::LLViewerWindow(
 		ignore_pixel_depth,
 		gSavedSettings.getBOOL("RenderDeferred") ? 0 : gSavedSettings.getU32("RenderFSAASamples")); //don't use window level anti-aliasing if FBOs are enabled
 
+	if (!LLViewerShaderMgr::sInitialized)
+	{ //immediately initialize shaders
+		LLViewerShaderMgr::sInitialized = TRUE;
+		LLViewerShaderMgr::instance()->setShaders();
+	}
+
 	if (NULL == mWindow)
 	{
 		LLSplashScreen::update(LLTrans::getString("StartupRequireDriverUpdate"));
@@ -1710,23 +1716,26 @@ LLViewerWindow::LLViewerWindow(
 void LLViewerWindow::initGLDefaults()
 {
 	gGL.setSceneBlendType(LLRender::BT_ALPHA);
-	glColorMaterial( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE );
 
-	glMaterialfv(GL_FRONT_AND_BACK,GL_AMBIENT,LLColor4::black.mV);
-	glMaterialfv(GL_FRONT_AND_BACK,GL_DIFFUSE,LLColor4::white.mV);
-	
-	glPixelStorei(GL_PACK_ALIGNMENT,1);
-	glPixelStorei(GL_UNPACK_ALIGNMENT,1);
+	if (!LLGLSLShader::sNoFixedFunction)
+	{ //initialize fixed function state
+		glColorMaterial( GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE );
 
-	gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE);
+		glMaterialfv(GL_FRONT_AND_BACK,GL_AMBIENT,LLColor4::black.mV);
+		glMaterialfv(GL_FRONT_AND_BACK,GL_DIFFUSE,LLColor4::white.mV);
 
-	// lights for objects
-	glShadeModel( GL_SMOOTH );
+		// lights for objects
+		glShadeModel( GL_SMOOTH );
 
-	gGL.setAmbientLightColor(LLColor4::black);
-	
-	gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
+		gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE);
+		gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
+	}
 
+	glPixelStorei(GL_PACK_ALIGNMENT,1);
+	glPixelStorei(GL_UNPACK_ALIGNMENT,1);
+
+	gGL.setAmbientLightColor(LLColor4::black);
+		
 	glCullFace(GL_BACK);
 
 	// RN: Need this for translation and stretch manip.