MAINT-3172 fix rendering regressions from release mergedown

20 files changed, 57 insertions, 48 deletions

diff --git a/indra/cmake/00-Common.cmake b/indra/cmake/00-Common.cmake
index 20243b092b..87484f4ae3 100755
--- a/indra/cmake/00-Common.cmake
+++ b/indra/cmake/00-Common.cmake
@@ -207,7 +207,7 @@ if (LINUX OR DARWIN)
   set(GCC_WARNINGS "-Wall -Wno-sign-compare -Wno-trigraphs")
 
   if (NOT GCC_DISABLE_FATAL_WARNINGS)
-#    set(GCC_WARNINGS "${GCC_WARNINGS} -Werror")
+    set(GCC_WARNINGS "${GCC_WARNINGS} -Werror")
   endif (NOT GCC_DISABLE_FATAL_WARNINGS)
 
   set(GCC_CXX_WARNINGS "${GCC_WARNINGS} -Wno-reorder -Wno-non-virtual-dtor")
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaNoColorV.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaNoColorV.glsl
index 145cf524d4..c8ddefac26 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaNoColorV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaNoColorV.glsl
@@ -71,18 +71,18 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 	vec3 lv = lp.xyz-v;
 	
 	//get distance
-	float d = length(lv);
+	float d = dot(lv,lv);
 	
 	float da = 0.0;
 
-	//if (d > 0.0 && la > 0.0 && fa > 0.0)
+	if (d > 0.0 && la > 0.0 && fa > 0.0)
 	{
 		//normalize light vector
-		lv /= d;
+		lv = normalize(lv);
 	
 		//distance attenuation
-		float dist = d*la;
-		da = clamp(1.0-(dist-1.0+fa)/fa, 0.0, 1.0);
+		float dist2 = d/la;
+		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
 
 		// spotlight coefficient.
 		float spot = max(dot(-ln, lv), is_pointlight);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
index 2e5a2c273e..0e6ab80d4d 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
@@ -311,14 +311,11 @@ void main()
 			vec3 pfinal = pos + ref * dot(pdelta, proj_n)/ds;
 			
 			vec4 stc = (proj_mat * vec4(pfinal.xyz, 1.0));
-
+			stc /= stc.w;
 			if (stc.z > 0.0)
 			{
-				stc.xy /= stc.w;
-
-				float fatten = clamp(envIntensity*envIntensity+envIntensity*0.5, 0.25, 1.0);
+				float fatten = clamp(envIntensity*envIntensity+envIntensity*0.25, 0.25, 1.0);
 				
-				//stc.xy = (stc.xy - vec2(0.5)) * fatten + vec2(0.5);
 				stc.xy = (stc.xy - vec2(0.5)) * fatten + vec2(0.5);
 								
 				if (stc.x < 1.0 &&
@@ -326,7 +323,7 @@ void main()
 					stc.x > 0.0 &&
 					stc.y > 0.0)
 				{
-					col += color.rgb*texture2DLodSpecular(projectionMap, stc.xy, proj_lod-envIntensity*proj_lod).rgb*spec.rgb;										
+					col += color.rgb*texture2DLodSpecular(projectionMap, stc.xy, proj_lod).rgb*spec.rgb;										
 				}
 			}
 		}
diff --git a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
index 73b9767a71..106d48bd71 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
@@ -35,7 +35,7 @@ uniform sampler2DRect diffuseRect;
 uniform sampler2DRect specularRect;
 uniform sampler2DRect normalMap;
 uniform samplerCube environmentMap;
-//uniform sampler2D noiseMap;
+uniform sampler2D noiseMap;
 uniform sampler2D lightFunc;
 uniform sampler2DRect depthMap;
 
@@ -112,7 +112,7 @@ void main()
 	lv = normalize(lv);
 	da = dot(norm, lv);
 	
-		//float noise = texture2D(noiseMap, frag.xy/128.0).b;
+	float noise = texture2D(noiseMap, frag.xy/128.0).b;
 	
 	vec3 col = texture2DRect(diffuseRect, frag.xy).rgb;
 	float fa = falloff+1.0;
@@ -120,7 +120,7 @@ void main()
 	dist_atten *= dist_atten;
 	dist_atten *= 2.0;
 	
-		float lit = da * dist_atten;
+	float lit = da * dist_atten * noise;
 
 	col = color.rgb*lit*col;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl b/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl
index aeef09cf5f..a5625fbc16 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl
@@ -37,7 +37,7 @@ VARYING vec3 trans_center;
 void main()
 {
 	//transform vertex
-	vec3 p = position*1.f/size+center;
+	vec3 p = position*size+center;
 	vec4 pos = modelview_projection_matrix * vec4(p.xyz, 1.0);
 	vary_fragcoord = pos;
 	trans_center = (modelview_matrix*vec4(center.xyz, 1.0)).xyz;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
index e7a3bb2001..1c3ad49a21 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
@@ -58,6 +58,7 @@ uniform vec3 normScale;
 uniform float fresnelScale;
 uniform float fresnelOffset;
 uniform float blurMultiplier;
+uniform vec2 screen_res;
 uniform mat4 norm_mat; //region space to screen space
 
 //bigWave is (refCoord.w, view.w);
diff --git a/indra/newview/app_settings/shaders/class1/environment/underWaterF.glsl b/indra/newview/app_settings/shaders/class1/environment/underWaterF.glsl
index 485e48537c..0d8dab0a41 100755
--- a/indra/newview/app_settings/shaders/class1/environment/underWaterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/underWaterF.glsl
@@ -43,11 +43,13 @@ uniform vec2 fbScale;
 uniform float refScale;
 uniform float znear;
 uniform float zfar;
+uniform float kd;
 uniform vec4 waterPlane;
 uniform vec3 eyeVec;
 uniform vec4 waterFogColor;
 uniform float waterFogDensity;
 uniform float waterFogKS;
+uniform vec2 screenRes;
 
 //bigWave is (refCoord.w, view.w);
 VARYING vec4 refCoord;
diff --git a/indra/newview/app_settings/shaders/class1/environment/waterF.glsl b/indra/newview/app_settings/shaders/class1/environment/waterF.glsl
index 1fd7bdaa5c..79bffab745 100755
--- a/indra/newview/app_settings/shaders/class1/environment/waterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/waterF.glsl
@@ -42,6 +42,8 @@ uniform vec3 lightDir;
 uniform vec3 specular;
 uniform float lightExp;
 uniform float refScale;
+uniform float kd;
+uniform vec2 screenRes;
 uniform vec3 normScale;
 uniform float fresnelScale;
 uniform float fresnelOffset;
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightFuncV.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightFuncV.glsl
index dc0b989e34..a9288b3df6 100755
--- a/indra/newview/app_settings/shaders/class1/lighting/lightFuncV.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightFuncV.glsl
@@ -45,7 +45,7 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 	lv *= 1.0/d;
 	
 	//distance attenuation
-	float da = clamp(1.0/(1.f/la * d), 0.0, 1.0);
+	float da = clamp(1.0/(la * d), 0.0, 1.0);
 	
 	// spotlight coefficient.
 	float spot = max(dot(-ln, lv), is_pointlight);
diff --git a/indra/newview/app_settings/shaders/class1/objects/previewV.glsl b/indra/newview/app_settings/shaders/class1/objects/previewV.glsl
index c325a236d7..7f3f84398b 100755
--- a/indra/newview/app_settings/shaders/class1/objects/previewV.glsl
+++ b/indra/newview/app_settings/shaders/class1/objects/previewV.glsl
@@ -91,8 +91,8 @@ void main()
 
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
 	col.rgb += light_diffuse[1].rgb * calcDirectionalLight(norm, light_position[1].xyz);
-	col.rgb += light_diffuse[2].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[2], light_direction[2], 1.f/light_attenuation[2].x, light_attenuation[2].z);
-	col.rgb += light_diffuse[3].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[3], light_direction[3], 1.f/light_attenuation[3].x, light_attenuation[3].z);
+	col.rgb += light_diffuse[2].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[2], light_direction[2], light_attenuation[2].x, light_attenuation[2].z);
+	col.rgb += light_diffuse[3].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[3], light_direction[3], light_attenuation[3].x, light_attenuation[3].z);
 		
 	vertex_color = col*color;
 }
diff --git a/indra/newview/lldrawpoolalpha.cpp b/indra/newview/lldrawpoolalpha.cpp
index 1cd4d87437..e4ebfea665 100755
--- a/indra/newview/lldrawpoolalpha.cpp
+++ b/indra/newview/lldrawpoolalpha.cpp
@@ -570,28 +570,23 @@ void LLDrawPoolAlpha::renderAlpha(U32 mask, S32 pass)
 					}
 				}
 
-				static LLFastTimer::DeclareTimer FTM_RENDER_ALPHA_PUSH("Alpha Push Verts");
-				{
-					LLFastTimer t(FTM_RENDER_ALPHA_PUSH);
-					gGL.blendFunc((LLRender::eBlendFactor) params.mBlendFuncSrc, (LLRender::eBlendFactor) params.mBlendFuncDst, mAlphaSFactor, mAlphaDFactor);
-					params.mVertexBuffer->setBuffer(mask);
+				params.mVertexBuffer->setBuffer(mask & ~(params.mFullbright ? (LLVertexBuffer::MAP_TANGENT | LLVertexBuffer::MAP_TEXCOORD1 | LLVertexBuffer::MAP_TEXCOORD2) : 0));
+                
 				params.mVertexBuffer->drawRange(params.mDrawMode, params.mStart, params.mEnd, params.mCount, params.mOffset);
 				gPipeline.addTrianglesDrawn(params.mCount, params.mDrawMode);
-				}
 				
 				// If this alpha mesh has glow, then draw it a second time to add the destination-alpha (=glow).  Interleaving these state-changing calls could be expensive, but glow must be drawn Z-sorted with alpha.
 				if (current_shader && 
 					draw_glow_for_this_partition &&
-					params.mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_EMISSIVE) &&
-					(!params.mParticle || params.mHasGlow))
+					params.mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_EMISSIVE))
 				{
-					static LLFastTimer::DeclareTimer FTM_RENDER_ALPHA_GLOW("Alpha Glow");
-					LLFastTimer t(FTM_RENDER_ALPHA_GLOW);
 					// install glow-accumulating blend mode
 					gGL.blendFunc(LLRender::BF_ZERO, LLRender::BF_ONE, // don't touch color
 						      LLRender::BF_ONE, LLRender::BF_ONE); // add to alpha (glow)
 
-					params.mVertexBuffer->setBuffer(mask | LLVertexBuffer::MAP_EMISSIVE);
+					emissive_shader->bind();
+					
+					params.mVertexBuffer->setBuffer((mask & ~LLVertexBuffer::MAP_COLOR) | LLVertexBuffer::MAP_EMISSIVE);
 					
 					// do the actual drawing, again
 					params.mVertexBuffer->drawRange(params.mDrawMode, params.mStart, params.mEnd, params.mCount, params.mOffset);
@@ -613,8 +608,6 @@ void LLDrawPoolAlpha::renderAlpha(U32 mask, S32 pass)
 		}
 	}
 
-	gGL.setSceneBlendType(LLRender::BT_ALPHA);
-
 	LLVertexBuffer::unbind();	
 		
 	if (!light_enabled)
@@ -622,3 +615,4 @@ void LLDrawPoolAlpha::renderAlpha(U32 mask, S32 pass)
 		gPipeline.enableLightsDynamic();
 	}
 }
+
diff --git a/indra/newview/lldrawpoolavatar.cpp b/indra/newview/lldrawpoolavatar.cpp
index 5c4cb71e57..ba8c449c3d 100755
--- a/indra/newview/lldrawpoolavatar.cpp
+++ b/indra/newview/lldrawpoolavatar.cpp
@@ -311,6 +311,11 @@ void LLDrawPoolAvatar::beginDeferredRiggedMaterialAlpha(S32 pass)
 
 	sVertexProgram = &gDeferredMaterialProgram[pass];
 
+	if (LLPipeline::sUnderWaterRender)
+	{
+		sVertexProgram = &(gDeferredMaterialWaterProgram[pass]);
+	}
+
 	gPipeline.bindDeferredShader(*sVertexProgram);
 	sDiffuseChannel = sVertexProgram->enableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
 	normal_channel = sVertexProgram->enableTexture(LLViewerShaderMgr::BUMP_MAP);
@@ -503,7 +508,7 @@ S32 LLDrawPoolAvatar::getNumDeferredPasses()
 {
 	if (LLPipeline::sImpostorRender)
 	{
-		return 3;
+		return 19;
 	}
 	else
 	{
@@ -892,6 +897,8 @@ void LLDrawPoolAvatar::beginRiggedGlow()
 		sVertexProgram->bind();
 
 		sVertexProgram->uniform1f(LLShaderMgr::TEXTURE_GAMMA, LLPipeline::sRenderDeferred ? 2.2f : 1.1f);
+		F32 gamma = gSavedSettings.getF32("RenderDeferredDisplayGamma");
+		sVertexProgram->uniform1f(LLShaderMgr::DISPLAY_GAMMA, (gamma > 0.1f) ? 1.0f / gamma : (1.0f/2.2f));
 	}
 }
 
@@ -944,6 +951,9 @@ void LLDrawPoolAvatar::beginRiggedFullbright()
 		else 
 		{
 			sVertexProgram->uniform1f(LLShaderMgr::TEXTURE_GAMMA, 2.2f);
+
+			F32 gamma = gSavedSettings.getF32("RenderDeferredDisplayGamma");
+			sVertexProgram->uniform1f(LLShaderMgr::DISPLAY_GAMMA, (gamma > 0.1f) ? 1.0f / gamma : (1.0f/2.2f));
 		}
 	}
 }
@@ -1045,6 +1055,8 @@ void LLDrawPoolAvatar::beginRiggedFullbrightShiny()
 		else 
 		{
 			sVertexProgram->uniform1f(LLShaderMgr::TEXTURE_GAMMA, 2.2f);
+			F32 gamma = gSavedSettings.getF32("RenderDeferredDisplayGamma");
+			sVertexProgram->uniform1f(LLShaderMgr::DISPLAY_GAMMA, (gamma > 0.1f) ? 1.0f / gamma : (1.0f/2.2f));
 		}
 	}
 }
@@ -1104,6 +1116,12 @@ void LLDrawPoolAvatar::beginDeferredRiggedMaterial(S32 pass)
 		return;
 	}
 	sVertexProgram = &gDeferredMaterialProgram[pass+LLMaterial::SHADER_COUNT];
+
+	if (LLPipeline::sUnderWaterRender)
+	{
+		sVertexProgram = &(gDeferredMaterialWaterProgram[pass+LLMaterial::SHADER_COUNT]);
+	}
+
 	sVertexProgram->bind();
 	normal_channel = sVertexProgram->enableTexture(LLViewerShaderMgr::BUMP_MAP);
 	specular_channel = sVertexProgram->enableTexture(LLViewerShaderMgr::SPECULAR_MAP);
@@ -1248,10 +1266,7 @@ void LLDrawPoolAvatar::renderAvatars(LLVOAvatar* single_avatar, S32 pass)
 
 		if (impostor)
 		{
-			if (LLPipeline::sRenderDeferred && //rendering a deferred impostor
-				!LLPipeline::sReflectionRender && 
-				avatarp->mImpostor.isComplete() && //impostor has required data channels
-				avatarp->mImpostor.getNumTextures() >= 3) 
+			if (LLPipeline::sRenderDeferred && !LLPipeline::sReflectionRender && avatarp->mImpostor.isComplete()) 
 			{
 				if (normal_channel > -1)
 				{
diff --git a/indra/newview/lldrawpoolwater.cpp b/indra/newview/lldrawpoolwater.cpp
index 32a9365aba..76e89b26e4 100755
--- a/indra/newview/lldrawpoolwater.cpp
+++ b/indra/newview/lldrawpoolwater.cpp
@@ -696,10 +696,10 @@ void LLDrawPoolWater::shade()
 		}
 	}
 	
-	shader->disableTexture(LLViewerShaderMgr::ENVIRONMENT_MAP, LLTexUnit::TT_CUBE_MAP);
+	shader->disableTexture(LLShaderMgr::ENVIRONMENT_MAP, LLTexUnit::TT_CUBE_MAP);
 	shader->disableTexture(LLShaderMgr::WATER_SCREENTEX);	
-	shader->disableTexture(LLViewerShaderMgr::BUMP_MAP);
-	shader->disableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
+	shader->disableTexture(LLShaderMgr::BUMP_MAP);
+	shader->disableTexture(LLShaderMgr::DIFFUSE_MAP);
 	shader->disableTexture(LLShaderMgr::WATER_REFTEX);
 	shader->disableTexture(LLShaderMgr::WATER_SCREENDEPTH);
 
diff --git a/indra/newview/lldrawpoolwlsky.cpp b/indra/newview/lldrawpoolwlsky.cpp
index b0e69aa9b5..a98d3e6b05 100755
--- a/indra/newview/lldrawpoolwlsky.cpp
+++ b/indra/newview/lldrawpoolwlsky.cpp
@@ -422,3 +422,4 @@ void LLDrawPoolWLSky::restoreGL()
 		sCloudNoiseTexture = LLViewerTextureManager::getLocalTexture(sCloudNoiseRawImage.get(), TRUE);
 	}
 }
+
diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp
index bf24a37e34..369273bca6 100755
--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@@ -1526,13 +1526,13 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		}
 
 		glBindBufferARB(GL_TRANSFORM_FEEDBACK_BUFFER, 0);
+
 		gGL.popMatrix();
 
 		if (cur_shader)
 		{
 			cur_shader->bind();
 		}
-		//gGLDebugLoggingEnabled = FALSE;
 	}
 	else
 #endif
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index c52fe78cf2..d9efd23b43 100755
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -1036,6 +1036,7 @@ BOOL LLVOVolume::setVolume(const LLVolumeParams &params_in, const S32 detail, bo
 			}
 		}
 
+
 		static LLCachedControl<bool> use_transform_feedback(gSavedSettings, "RenderUseTransformFeedback");
 
 		bool cache_in_vram = use_transform_feedback && gTransformPositionProgram.mProgramObject &&
@@ -1052,9 +1053,7 @@ BOOL LLVOVolume::setVolume(const LLVolumeParams &params_in, const S32 detail, bo
 					break;
 				}
 				volume->genTangents(i);
-				//gGLDebugLoggingEnabled = TRUE;
 				LLFace::cacheFaceInVRAM(face);
-				//gGLDebugLoggingEnabled = FALSE;
 			}
 		}
 		
@@ -4461,8 +4460,6 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 
 	bool emissive = false;
 
-	
-
 	{
 		LLFastTimer t(FTM_REBUILD_VOLUME_FACE_LIST);
 
diff --git a/indra/newview/llwaterparammanager.cpp b/indra/newview/llwaterparammanager.cpp
index 548890b5b5..72d628fb88 100755
--- a/indra/newview/llwaterparammanager.cpp
+++ b/indra/newview/llwaterparammanager.cpp
@@ -188,6 +188,7 @@ void LLWaterParamManager::updateShaderUniforms(LLGLSLShader * shader)
 	if (shader->mShaderGroup == LLGLSLShader::SG_WATER)
 	{
 		shader->uniform4fv(LLViewerShaderMgr::LIGHTNORM, 1, LLWLParamManager::getInstance()->getRotatedLightDir().mV);
+shader->uniform3fv(LLShaderMgr::WL_CAMPOSLOCAL, 1, LLViewerCamera::getInstance()->getOrigin().mV);
 		shader->uniform4fv(LLShaderMgr::WATER_FOGCOLOR, 1, LLDrawPoolWater::sWaterFogColor.mV);
 		shader->uniform4fv(LLShaderMgr::WATER_WATERPLANE, 1, mWaterPlane.mV);
 		shader->uniform1f(LLShaderMgr::WATER_FOGDENSITY, getFogDensity());
diff --git a/indra/newview/llwlparammanager.cpp b/indra/newview/llwlparammanager.cpp
index 04d41a2512..ce9f61c0af 100755
--- a/indra/newview/llwlparammanager.cpp
+++ b/indra/newview/llwlparammanager.cpp
@@ -351,7 +351,7 @@ void LLWLParamManager::updateShaderUniforms(LLGLSLShader * shader)
 
 	if (shader->mShaderGroup == LLGLSLShader::SG_DEFAULT)
 	{
-		shader->uniform4fv(LLViewerShaderMgr::LIGHTNORM, 1, mRotatedLightDir.mV);
+		shader->uniform4fv(LLShaderMgr::LIGHTNORM, 1, mRotatedLightDir.mV);
 		shader->uniform3fv(LLShaderMgr::WL_CAMPOSLOCAL, 1, LLViewerCamera::getInstance()->getOrigin().mV);
 	} 
 
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index ffc05b6f03..9f808776ec 100755
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -6401,8 +6401,6 @@ void LLPipeline::setupHWLights(LLDrawPool* pool)
 		light->setDiffuse(LLColor4::black);
 		light->setAmbient(LLColor4::black);
 		light->setSpecular(LLColor4::black);
-		light->setQuadraticAttenuation(1.f);
-		light->setLinearAttenuation(1.f);
 	}
 	if (gAgentAvatarp &&
 		gAgentAvatarp->mSpecialRenderMode == 3)
diff --git a/indra/test/llstreamtools_tut.cpp b/indra/test/llstreamtools_tut.cpp
index 354c3dfe10..0f6436f0f4 100755
--- a/indra/test/llstreamtools_tut.cpp
+++ b/indra/test/llstreamtools_tut.cpp
@@ -385,6 +385,7 @@ namespace tut
 		std::string expected_result;
 		std::string actual_result;
 		std::istringstream is;
+
 		is.clear();
 		is.str(str = "  First Second \t \r  \n Third  Fourth-ShouldThisBePartOfFourth  Fifth\n");
 		actual_result = "";