SH-2243 work in progress -- don't use built-in GL light state when shaders are available.

20 files changed, 294 insertions, 127 deletions

diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp
index 359e6fd560..bebf1455d3 100644
--- a/indra/llrender/llrender.cpp
+++ b/indra/llrender/llrender.cpp
@@ -840,7 +840,10 @@ void LLLightState::setDiffuse(const LLColor4& diffuse)
 	if (mDiffuse != diffuse)
 	{
 		mDiffuse = diffuse;
-		glLightfv(GL_LIGHT0+mIndex, GL_DIFFUSE, mDiffuse.mV);
+		if (!LLGLSLShader::sNoFixedFunction)
+		{
+			glLightfv(GL_LIGHT0+mIndex, GL_DIFFUSE, mDiffuse.mV);
+		}
 	}
 }
 
@@ -849,7 +852,10 @@ void LLLightState::setAmbient(const LLColor4& ambient)
 	if (mAmbient != ambient)
 	{
 		mAmbient = ambient;
-		glLightfv(GL_LIGHT0+mIndex, GL_AMBIENT, mAmbient.mV);
+		if (!LLGLSLShader::sNoFixedFunction)
+		{
+			glLightfv(GL_LIGHT0+mIndex, GL_AMBIENT, mAmbient.mV);
+		}
 	}
 }
 
@@ -858,7 +864,10 @@ void LLLightState::setSpecular(const LLColor4& specular)
 	if (mSpecular != specular)
 	{
 		mSpecular = specular;
-		glLightfv(GL_LIGHT0+mIndex, GL_SPECULAR, mSpecular.mV);
+		if (!LLGLSLShader::sNoFixedFunction)
+		{
+			glLightfv(GL_LIGHT0+mIndex, GL_SPECULAR, mSpecular.mV);
+		}
 	}
 }
 
@@ -866,7 +875,20 @@ void LLLightState::setPosition(const LLVector4& position)
 {
 	//always set position because modelview matrix may have changed
 	mPosition = position;
-	glLightfv(GL_LIGHT0+mIndex, GL_POSITION, mPosition.mV);
+	if (!LLGLSLShader::sNoFixedFunction)
+	{
+		glLightfv(GL_LIGHT0+mIndex, GL_POSITION, mPosition.mV);
+	}
+	else
+	{ //transform position by current modelview matrix
+		glh::vec4f pos(position.mV);
+
+		const glh::matrix4f& mat = gGL.getModelviewMatrix();
+		mat.mult_matrix_vec(pos);
+
+		mPosition.set(pos.v);
+	}
+
 }
 
 void LLLightState::setConstantAttenuation(const F32& atten)
@@ -874,7 +896,10 @@ void LLLightState::setConstantAttenuation(const F32& atten)
 	if (mConstantAtten != atten)
 	{
 		mConstantAtten = atten;
-		glLightf(GL_LIGHT0+mIndex, GL_CONSTANT_ATTENUATION, atten);
+		if (!LLGLSLShader::sNoFixedFunction)
+		{
+			glLightf(GL_LIGHT0+mIndex, GL_CONSTANT_ATTENUATION, atten);
+		}
 	}
 }
 
@@ -883,7 +908,10 @@ void LLLightState::setLinearAttenuation(const F32& atten)
 	if (mLinearAtten != atten)
 	{
 		mLinearAtten = atten;
-		glLightf(GL_LIGHT0+mIndex, GL_LINEAR_ATTENUATION, atten);
+		if (!LLGLSLShader::sNoFixedFunction)
+		{
+			glLightf(GL_LIGHT0+mIndex, GL_LINEAR_ATTENUATION, atten);
+		}
 	}
 }
 
@@ -892,7 +920,10 @@ void LLLightState::setQuadraticAttenuation(const F32& atten)
 	if (mQuadraticAtten != atten)
 	{
 		mQuadraticAtten = atten;
-		glLightf(GL_LIGHT0+mIndex, GL_QUADRATIC_ATTENUATION, atten);
+		if (!LLGLSLShader::sNoFixedFunction)
+		{
+			glLightf(GL_LIGHT0+mIndex, GL_QUADRATIC_ATTENUATION, atten);
+		}
 	}
 }
 
@@ -901,7 +932,10 @@ void LLLightState::setSpotExponent(const F32& exponent)
 	if (mSpotExponent != exponent)
 	{
 		mSpotExponent = exponent;
-		glLightf(GL_LIGHT0+mIndex, GL_SPOT_EXPONENT, exponent);
+		if (!LLGLSLShader::sNoFixedFunction)
+		{
+			glLightf(GL_LIGHT0+mIndex, GL_SPOT_EXPONENT, exponent);
+		}
 	}
 }
 
@@ -910,7 +944,10 @@ void LLLightState::setSpotCutoff(const F32& cutoff)
 	if (mSpotCutoff != cutoff)
 	{
 		mSpotCutoff = cutoff;
-		glLightf(GL_LIGHT0+mIndex, GL_SPOT_CUTOFF, cutoff);
+		if (!LLGLSLShader::sNoFixedFunction)
+		{
+			glLightf(GL_LIGHT0+mIndex, GL_SPOT_CUTOFF, cutoff);
+		}
 	}
 }
 
@@ -918,7 +955,19 @@ void LLLightState::setSpotDirection(const LLVector3& direction)
 {
 	//always set direction because modelview matrix may have changed
 	mSpotDirection = direction;
-	glLightfv(GL_LIGHT0+mIndex, GL_SPOT_DIRECTION, direction.mV);
+	if (!LLGLSLShader::sNoFixedFunction)
+	{
+		glLightfv(GL_LIGHT0+mIndex, GL_SPOT_DIRECTION, direction.mV);
+	}
+	else
+	{ //transform direction by current modelview matrix
+		glh::vec3f dir(direction.mV);
+
+		const glh::matrix4f& mat = gGL.getModelviewMatrix();
+		mat.mult_matrix_dir(dir);
+
+		mSpotDirection.set(direction);
+	}
 }
 
 LLRender::LLRender()
@@ -1016,6 +1065,36 @@ void LLRender::refreshState(void)
 	mDirty = false;
 }
 
+void LLRender::syncLightState()
+{
+	LLGLSLShader* shader = LLGLSLShader::sCurBoundShaderPtr;
+
+	if (!shader)
+	{
+		return;
+	}
+
+	LLVector4 position[8];
+	LLVector3 direction[8];
+	LLVector3 attenuation[8];
+	LLVector3 diffuse[8];
+
+	for (U32 i = 0; i < 8; i++)
+	{
+		LLLightState* light = mLightState[i];
+
+		position[i] = light->mPosition;
+		direction[i] = light->mSpotDirection;
+		attenuation[i].set(light->mLinearAtten, light->mQuadraticAtten, light->mSpecular.mV[3]);
+		diffuse[i].set(light->mDiffuse.mV);
+	}
+
+	shader->uniform4fv("light_position", 8, position[0].mV);
+	shader->uniform3fv("light_direction", 8, direction[0].mV);
+	shader->uniform3fv("light_attenuation", 8, attenuation[0].mV);
+	shader->uniform3fv("light_diffuse", 8, diffuse[0].mV);
+}
+
 void LLRender::syncMatrices()
 {
 	stop_glerror();
@@ -1103,6 +1182,11 @@ void LLRender::syncMatrices()
 				shader->uniformMatrix4fv("modelview_projection_matrix", 1, GL_FALSE, mvp.m);
 			}
 		}
+
+		if (shader->mFeatures.hasLighting || shader->mFeatures.calculatesLighting)
+		{ //also sync light state
+			syncLightState();
+		}
 	}
 	else
 	{
@@ -1274,6 +1358,11 @@ void LLRender::loadIdentity()
 	mMatHash[mMatrixMode]++;
 }
 
+const glh::matrix4f& LLRender::getModelviewMatrix()
+{
+	return mMatrix[MM_MODELVIEW][mMatIdx[MM_MODELVIEW]];
+}
+
 void LLRender::translateUI(F32 x, F32 y, F32 z)
 {
 	if (mUIOffset.empty())
diff --git a/indra/llrender/llrender.h b/indra/llrender/llrender.h
index 465c16f0de..0805ebb61a 100644
--- a/indra/llrender/llrender.h
+++ b/indra/llrender/llrender.h
@@ -239,6 +239,8 @@ public:
 	void setSpotDirection(const LLVector3& direction);
 
 protected:
+	friend class LLRender;
+
 	S32 mIndex;
 	bool mEnabled;
 	LLColor4 mDiffuse;
@@ -347,7 +349,10 @@ public:
 	void multMatrix(const GLdouble* m);
 	void matrixMode(U32 mode);	
 
+	const glh::matrix4f& getModelviewMatrix();
+
 	void syncMatrices();
+	void syncLightState();
 
 	void translateUI(F32 x, F32 y, F32 z);
 	void scaleUI(F32 x, F32 y, F32 z);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
index 9deb9a701e..9d2c009d2a 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
@@ -50,6 +50,11 @@ varying vec3 vary_pointlight_col;
 
 uniform float near_clip;
 
+uniform vec4 light_position[8];
+uniform vec3 light_direction[8];
+uniform vec3 light_attenuation[8]; 
+uniform vec3 light_diffuse[8];
+
 float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
 {
 	//get light vector
@@ -106,13 +111,13 @@ void main()
 	vec4 col = vec4(0.0, 0.0, 0.0, diffuse_color.a);
 
 	// Collect normal lights
-	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].quadraticAttenuation, gl_LightSource[2].specular.a);
-	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].quadraticAttenuation ,gl_LightSource[3].specular.a);
-	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].quadraticAttenuation, gl_LightSource[4].specular.a);
-	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].quadraticAttenuation, gl_LightSource[5].specular.a);
-	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].quadraticAttenuation, gl_LightSource[6].specular.a);
-	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].quadraticAttenuation, gl_LightSource[7].specular.a);
-	
+	col.rgb += light_diffuse[2].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[2], light_direction[2], light_attenuation[2].x, light_attenuation[2].y, 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].y, light_attenuation[3].z);
+	col.rgb += light_diffuse[4].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[4], light_direction[4], light_attenuation[4].x, light_attenuation[4].y, light_attenuation[4].z);
+	col.rgb += light_diffuse[5].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[5], light_direction[5], light_attenuation[5].x, light_attenuation[5].y, light_attenuation[5].z);
+	col.rgb += light_diffuse[6].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[6], light_direction[6], light_attenuation[6].x, light_attenuation[6].y, light_attenuation[6].z);
+	col.rgb += light_diffuse[7].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[7], light_direction[7], light_attenuation[7].x, light_attenuation[7].y, light_attenuation[7].z);
+
 	vary_pointlight_col = col.rgb*diffuse_color.rgb;
 
 	col.rgb = vec3(0,0,0);
@@ -121,7 +126,7 @@ void main()
 	col.rgb = atmosAmbient(vec3(0.));
 	
 	vary_ambient = col.rgb*diffuse_color.rgb;
-	vary_directional = diffuse_color.rgb*atmosAffectDirectionalLight(max(calcDirectionalLight(norm, gl_LightSource[0].position.xyz), (1.0-diffuse_color.a)*(1.0-diffuse_color.a)));
+	vary_directional = diffuse_color.rgb*atmosAffectDirectionalLight(max(calcDirectionalLight(norm, light_position[0].xyz), (1.0-diffuse_color.a)*(1.0-diffuse_color.a)));
 	
 	col.rgb = min(col.rgb*diffuse_color.rgb, 1.0);
 	
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
index 51e7c0780d..490ac7c067 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
@@ -55,6 +55,11 @@ uniform float near_clip;
 uniform float shadow_offset;
 uniform float shadow_bias;
 
+uniform vec4 light_position[8];
+uniform vec3 light_direction[8];
+uniform vec3 light_attenuation[8]; 
+uniform vec3 light_diffuse[8];
+
 float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
 {
 	//get light vector
@@ -97,8 +102,8 @@ void main()
 	
 	vec3 norm = normalize(normal_matrix * normal);
 	
-	float dp_directional_light = max(0.0, dot(norm, gl_LightSource[0].position.xyz));
-	vary_position = pos.xyz + gl_LightSource[0].position.xyz * (1.0-dp_directional_light)*shadow_offset;
+	float dp_directional_light = max(0.0, dot(norm, light_position[0].xyz));
+	vary_position = pos.xyz + light_position[0].xyz * (1.0-dp_directional_light)*shadow_offset;
 		
 	calcAtmospherics(pos.xyz);
 
@@ -106,12 +111,12 @@ void main()
 	vec4 col = vec4(0.0, 0.0, 0.0, diffuse_color.a);
 
 	// Collect normal lights
-	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].quadraticAttenuation, gl_LightSource[2].specular.a);
-	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].quadraticAttenuation ,gl_LightSource[3].specular.a);
-	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].quadraticAttenuation, gl_LightSource[4].specular.a);
-	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].quadraticAttenuation, gl_LightSource[5].specular.a);
-	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].quadraticAttenuation, gl_LightSource[6].specular.a);
-	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].quadraticAttenuation, gl_LightSource[7].specular.a);
+	col.rgb += light_diffuse[2].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[2], light_direction[2], light_attenuation[2].x, light_attenuation[2].y, 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].y, light_attenuation[3].z);
+	col.rgb += light_diffuse[4].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[4], light_direction[4], light_attenuation[4].x, light_attenuation[4].y, light_attenuation[4].z);
+	col.rgb += light_diffuse[5].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[5], light_direction[5], light_attenuation[5].x, light_attenuation[5].y, light_attenuation[5].z);
+	col.rgb += light_diffuse[6].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[6], light_direction[6], light_attenuation[6].x, light_attenuation[6].y, light_attenuation[6].z);
+	col.rgb += light_diffuse[7].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[7], light_direction[7], light_attenuation[7].x, light_attenuation[7].y, light_attenuation[7].z);
 	
 	vary_pointlight_col = col.rgb*diffuse_color.rgb;
 
@@ -120,10 +125,10 @@ void main()
 	// Add windlight lights
 	col.rgb = atmosAmbient(vec3(0.));
 	
-	vary_light = gl_LightSource[0].position.xyz;
+	vary_light = light_position[0].xyz;
 	
 	vary_ambient = col.rgb*diffuse_color.rgb;
-	vary_directional.rgb = diffuse_color.rgb*atmosAffectDirectionalLight(max(calcDirectionalLight(norm, gl_LightSource[0].position.xyz), (1.0-diffuse_color.a)*(1.0-diffuse_color.a)));
+	vary_directional.rgb = diffuse_color.rgb*atmosAffectDirectionalLight(max(calcDirectionalLight(norm, light_position[0].xyz), (1.0-diffuse_color.a)*(1.0-diffuse_color.a)));
 	
 	col.rgb = col.rgb*diffuse_color.rgb;
 	
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
index df4de4f432..16f2b889f8 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
@@ -49,6 +49,11 @@ varying vec3 vary_pointlight_col;
 
 uniform float near_clip;
 
+uniform vec4 light_position[8];
+uniform vec3 light_direction[8];
+uniform vec3 light_attenuation[8]; 
+uniform vec3 light_diffuse[8];
+
 float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
 {
 	//get light vector
@@ -108,12 +113,12 @@ void main()
 	vec4 col = vec4(0.0, 0.0, 0.0, 1.0);
 
 	// Collect normal lights
-	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].quadraticAttenuation, gl_LightSource[2].specular.a);
-	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].quadraticAttenuation ,gl_LightSource[3].specular.a);
-	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].quadraticAttenuation, gl_LightSource[4].specular.a);
-	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].quadraticAttenuation, gl_LightSource[5].specular.a);
-	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].quadraticAttenuation, gl_LightSource[6].specular.a);
-	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].quadraticAttenuation, gl_LightSource[7].specular.a);
+	col.rgb += light_diffuse[2].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[2], light_direction[2], light_attenuation[2].x, light_attenuation[2].y, 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].y, light_attenuation[3].z);
+	col.rgb += light_diffuse[4].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[4], light_direction[4], light_attenuation[4].x, light_attenuation[4].y, light_attenuation[4].z);
+	col.rgb += light_diffuse[5].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[5], light_direction[5], light_attenuation[5].x, light_attenuation[5].y, light_attenuation[5].z);
+	col.rgb += light_diffuse[6].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[6], light_direction[6], light_attenuation[6].x, light_attenuation[6].y, light_attenuation[6].z);
+	col.rgb += light_diffuse[7].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[7], light_direction[7], light_attenuation[7].x, light_attenuation[7].y, light_attenuation[7].z);
 	
 	vary_pointlight_col = col.rgb;
 
@@ -123,7 +128,7 @@ void main()
 	col.rgb = atmosAmbient(vec3(0.));
 	
 	vary_ambient = col.rgb;
-	vary_directional = atmosAffectDirectionalLight(max(calcDirectionalLight(norm, gl_LightSource[0].position.xyz), 0.0));
+	vary_directional = atmosAffectDirectionalLight(max(calcDirectionalLight(norm, light_position[0].xyz), 0.0));
 	
 	col.rgb = min(col.rgb, 1.0);
 	
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightSpecularV.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightSpecularV.glsl
index 4a59b8245d..bf6ed5988e 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightSpecularV.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightSpecularV.glsl
@@ -24,6 +24,8 @@
  */
  
 
+uniform vec4 light_position[8];
+uniform vec3 light_diffuse[8];
 
 float calcDirectionalLight(vec3 n, vec3 l);
 
@@ -34,10 +36,10 @@ vec4 calcLightingSpecular(vec3 pos, vec3 norm, vec4 color, inout vec4 specularCo
 	vec4 col;
 	col.a = color.a;
 
-	col.rgb = gl_LightModel.ambient.rgb + baseCol.rgb;
+	col.rgb = baseCol.rgb;  //need ambient?
 
-	col.rgb += gl_LightSource[0].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[0].position.xyz);
-	col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
+	col.rgb += light_diffuse[0].rgb*calcDirectionalLight(norm, light_position[0].xyz);
+	col.rgb += light_diffuse[1].rgb*calcDirectionalLight(norm, light_position[1].xyz);
 
 	col.rgb = min(col.rgb*color.rgb, 1.0);
 
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightV.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightV.glsl
index 742cb38d80..79e2207932 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightV.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightV.glsl
@@ -24,6 +24,8 @@
  */
  
 
+uniform vec4 light_position[8];
+uniform vec3 light_diffuse[8];
 
 float calcDirectionalLight(vec3 n, vec3 l);
 
@@ -32,10 +34,10 @@ vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseLight)
 	vec4 col;
 	col.a = color.a;
 	
-	col.rgb = gl_LightModel.ambient.rgb + baseLight.rgb;
+	col.rgb = baseLight.rgb;  //need ambient?
 	
-	col.rgb += gl_LightSource[0].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[0].position.xyz);
-	col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
+	col.rgb += light_diffuse[0].rgb*calcDirectionalLight(norm, light_position[0].xyz);
+	col.rgb += light_diffuse[1].rgb*calcDirectionalLight(norm, light_position[1].xyz);
 						
 	col.rgb = min(col.rgb*color.rgb, 1.0);
 	
diff --git a/indra/newview/app_settings/shaders/class1/lighting/sumLightsSpecularV.glsl b/indra/newview/app_settings/shaders/class1/lighting/sumLightsSpecularV.glsl
index 3e0815226c..dcd405716c 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/sumLightsSpecularV.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/sumLightsSpecularV.glsl
@@ -31,6 +31,9 @@ vec3 atmosAffectDirectionalLight(float lightIntensity);
 vec3 atmosGetDiffuseSunlightColor();
 vec3 scaleDownLight(vec3 light);
 
+uniform vec4 light_position[8];
+uniform vec3 light_diffuse[8];
+
 vec4 sumLightsSpecular(vec3 pos, vec3 norm, vec4 color, inout vec4 specularColor, vec4 baseCol)
 {
 	vec4 col;
@@ -42,10 +45,10 @@ vec4 sumLightsSpecular(vec3 pos, vec3 norm, vec4 color, inout vec4 specularColor
 	/// collect all the specular values from each calcXXXLightSpecular() function
 	vec4 specularSum = vec4(0.0);
 
-	col.rgb = gl_LightSource[1].diffuse.rgb * calcDirectionalLightSpecular(specularColor, view, norm, gl_LightSource[1].position.xyz, gl_LightSource[1].diffuse.rgb, 1.0);
+	col.rgb += light_diffuse[1].rgb * calcDirectionalLightSpecular(specularColor, view, norm, light_position[1].xyz,light_diffuse[1].rgb, 1.0);
 	col.rgb = scaleDownLight(col.rgb);
 	col.rgb += atmosAmbient(baseCol.rgb);
-	col.rgb += atmosAffectDirectionalLight(calcDirectionalLightSpecular(specularSum, view, norm, gl_LightSource[0].position.xyz,atmosGetDiffuseSunlightColor() * baseCol.a, 1.0));
+	col.rgb += atmosAffectDirectionalLight(calcDirectionalLightSpecular(specularSum, view, norm, light_position[0].xyz,atmosGetDiffuseSunlightColor()*baseCol.a, 1.0));
 
 	col.rgb = min(col.rgb * color.rgb, 1.0);
 	specularColor.rgb = min(specularColor.rgb * specularSum.rgb, 1.0);
diff --git a/indra/newview/app_settings/shaders/class1/lighting/sumLightsV.glsl b/indra/newview/app_settings/shaders/class1/lighting/sumLightsV.glsl
index c271dbcd18..41288c21c1 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/sumLightsV.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/sumLightsV.glsl
@@ -23,7 +23,8 @@
  * $/LicenseInfo$
  */
  
-
+uniform vec4 light_position[8];
+uniform vec3 light_diffuse[8];
 
 float calcDirectionalLight(vec3 n, vec3 l);
 
@@ -36,10 +37,10 @@ vec4 sumLights(vec3 pos, vec3 norm, vec4 color, vec4 baseLight)
 	vec4 col;
 	col.a = color.a;
 	
-	col.rgb = gl_LightSource[1].diffuse.rgb * calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
+	col.rgb = light_diffuse[1].rgb * calcDirectionalLight(norm, light_position[1].xyz);
 	col.rgb = scaleDownLight(col.rgb);
 	col.rgb += atmosAmbient(baseLight.rgb);
-	col.rgb += atmosAffectDirectionalLight(calcDirectionalLight(norm, gl_LightSource[0].position.xyz));
+	col.rgb += atmosAffectDirectionalLight(calcDirectionalLight(norm, light_position[0].xyz));
 	
 	col.rgb = min(col.rgb*color.rgb, 1.0);
 	
diff --git a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsHelpersV.glsl b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsHelpersV.glsl
index 15738e37e8..9aa583afa1 100644
--- a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsHelpersV.glsl
+++ b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsHelpersV.glsl
@@ -23,21 +23,21 @@
  * $/LicenseInfo$
  */
  
-
+uniform vec3 light_diffuse[8];
 
 vec3 atmosAmbient(vec3 light)
 {
-	return gl_LightModel.ambient.rgb + light;
+	return light;  //need ambient?
 }
 
 vec3 atmosAffectDirectionalLight(float lightIntensity)
 {
-	return gl_LightSource[0].diffuse.rgb * lightIntensity;
+	return light_diffuse[0].rgb * lightIntensity;
 }
 
 vec3 atmosGetDiffuseSunlightColor()
 {
-	return gl_LightSource[0].diffuse.rgb;
+	return light_diffuse[0].rgb;
 }
 
 vec3 scaleDownLight(vec3 light)
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
index df4d26997a..c3148d5fdf 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
@@ -52,6 +52,11 @@ uniform float near_clip;
 uniform float shadow_offset;
 uniform float shadow_bias;
 
+uniform vec4 light_position[8];
+uniform vec3 light_direction[8];
+uniform vec3 light_attenuation[8]; 
+uniform vec3 light_diffuse[8];
+
 float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
 {
 	//get light vector
@@ -101,8 +106,8 @@ void main()
 	
 	vec3 norm = n.xyz;
 	
-	float dp_directional_light = max(0.0, dot(norm, gl_LightSource[0].position.xyz));
-	vary_position = pos.xyz + gl_LightSource[0].position.xyz * (1.0-dp_directional_light)*shadow_offset;
+	float dp_directional_light = max(0.0, dot(norm, light_position[0].xyz));
+	vary_position = pos.xyz + light_position[0].xyz * (1.0-dp_directional_light)*shadow_offset;
 			
 	calcAtmospherics(pos.xyz);
 
@@ -110,12 +115,12 @@ void main()
 	vec4 col = vec4(0.0, 0.0, 0.0, diffuse_color.a);
 
 	// Collect normal lights
-	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].quadraticAttenuation, gl_LightSource[2].specular.a);
-	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].quadraticAttenuation ,gl_LightSource[3].specular.a);
-	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].quadraticAttenuation, gl_LightSource[4].specular.a);
-	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].quadraticAttenuation, gl_LightSource[5].specular.a);
-	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].quadraticAttenuation, gl_LightSource[6].specular.a);
-	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].quadraticAttenuation, gl_LightSource[7].specular.a);
+	col.rgb += light_diffuse[2].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[2], light_direction[2], light_attenuation[2].x, light_attenuation[2].y, 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].y, light_attenuation[3].z);
+	col.rgb += light_diffuse[4].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[4], light_direction[4], light_attenuation[4].x, light_attenuation[4].y, light_attenuation[4].z);
+	col.rgb += light_diffuse[5].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[5], light_direction[5], light_attenuation[5].x, light_attenuation[5].y, light_attenuation[5].z);
+	col.rgb += light_diffuse[6].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[6], light_direction[6], light_attenuation[6].x, light_attenuation[6].y, light_attenuation[6].z);
+	col.rgb += light_diffuse[7].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[7], light_direction[7], light_attenuation[7].x, light_attenuation[7].y, light_attenuation[7].z);
 	
 	vary_pointlight_col = col.rgb*diffuse_color.rgb;
 
@@ -125,7 +130,7 @@ void main()
 	col.rgb = atmosAmbient(vec3(0.));
 		
 	vary_ambient = col.rgb*diffuse_color.rgb;
-	vary_directional.rgb = diffuse_color.rgb*atmosAffectDirectionalLight(max(calcDirectionalLight(norm, gl_LightSource[0].position.xyz), (1.0-diffuse_color.a)*(1.0-diffuse_color.a)));
+	vary_directional.rgb = diffuse_color.rgb*atmosAffectDirectionalLight(max(calcDirectionalLight(norm, light_position[0].xyz), (1.0-diffuse_color.a)*(1.0-diffuse_color.a)));
 	
 	col.rgb = min(col.rgb*diffuse_color.rgb, 1.0);
 	
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
index 996203ffd6..8d55616e67 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
@@ -54,6 +54,11 @@ uniform float near_clip;
 uniform float shadow_offset;
 uniform float shadow_bias;
 
+uniform vec4 light_position[8];
+uniform vec3 light_direction[8];
+uniform vec3 light_attenuation[8]; 
+uniform vec3 light_diffuse[8];
+
 float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
 {
 	//get light vector
@@ -96,22 +101,23 @@ void main()
 		
 	vec3 norm = normalize(normal_matrix * normal);
 	
-	float dp_directional_light = max(0.0, dot(norm, gl_LightSource[0].position.xyz));
-	vary_position = pos.xyz + gl_LightSource[0].position.xyz * (1.0-dp_directional_light)*shadow_offset;
+	float dp_directional_light = max(0.0, dot(norm, light_position[0].xyz));
+	vary_position = pos.xyz + light_position[0].xyz * (1.0-dp_directional_light)*shadow_offset;
 		
 	calcAtmospherics(pos.xyz);
 
 	//vec4 color = calcLighting(pos.xyz, norm, diffuse_color, vec4(0.));
 	vec4 col = vec4(0.0, 0.0, 0.0, diffuse_color.a);
 
-	// Collect normal lights
-	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].quadraticAttenuation, gl_LightSource[2].specular.a);
-	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].quadraticAttenuation ,gl_LightSource[3].specular.a);
-	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].quadraticAttenuation, gl_LightSource[4].specular.a);
-	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].quadraticAttenuation, gl_LightSource[5].specular.a);
-	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].quadraticAttenuation, gl_LightSource[6].specular.a);
-	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].quadraticAttenuation, gl_LightSource[7].specular.a);
 	
+	// Collect normal lights
+	col.rgb += light_diffuse[2].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[2], light_direction[2], light_attenuation[2].x, light_attenuation[2].y, 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].y, light_attenuation[3].z);
+	col.rgb += light_diffuse[4].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[4], light_direction[4], light_attenuation[4].x, light_attenuation[4].y, light_attenuation[4].z);
+	col.rgb += light_diffuse[5].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[5], light_direction[5], light_attenuation[5].x, light_attenuation[5].y, light_attenuation[5].z);
+	col.rgb += light_diffuse[6].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[6], light_direction[6], light_attenuation[6].x, light_attenuation[6].y, light_attenuation[6].z);
+	col.rgb += light_diffuse[7].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[7], light_direction[7], light_attenuation[7].x, light_attenuation[7].y, light_attenuation[7].z);
+
 	vary_pointlight_col = col.rgb*diffuse_color.rgb;
 
 	col.rgb = vec3(0,0,0);
@@ -120,7 +126,7 @@ void main()
 	col.rgb = atmosAmbient(vec3(0.));
 	
 	vary_ambient = col.rgb*diffuse_color.rgb;
-	vary_directional.rgb = diffuse_color.rgb*atmosAffectDirectionalLight(max(calcDirectionalLight(norm, gl_LightSource[0].position.xyz), (1.0-diffuse_color.a)*(1.0-diffuse_color.a)));
+	vary_directional.rgb = diffuse_color.rgb*atmosAffectDirectionalLight(max(calcDirectionalLight(norm, light_position[0].xyz), (1.0-diffuse_color.a)*(1.0-diffuse_color.a)));
 	
 	col.rgb = col.rgb*diffuse_color.rgb;
 	
diff --git a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
index 3e35675784..0273f3c121 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
@@ -51,6 +51,11 @@ uniform float near_clip;
 uniform float shadow_offset;
 uniform float shadow_bias;
 
+uniform vec4 light_position[8];
+uniform vec3 light_direction[8];
+uniform vec3 light_attenuation[8]; 
+uniform vec3 light_diffuse[8];
+
 float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
 {
 	//get light vector
@@ -102,20 +107,20 @@ void main()
 		
 	gl_Position = projection_matrix * pos;
 	
-	float dp_directional_light = max(0.0, dot(norm, gl_LightSource[0].position.xyz));
-	vary_position = pos.xyz + gl_LightSource[0].position.xyz * (1.0-dp_directional_light)*shadow_offset;
+	float dp_directional_light = max(0.0, dot(norm, light_position[0].xyz));
+	vary_position = pos.xyz + light_position[0].xyz * (1.0-dp_directional_light)*shadow_offset;
 	
 	calcAtmospherics(pos.xyz);
 
 	vec4 col = vec4(0.0, 0.0, 0.0, 1.0);
 
 	// Collect normal lights
-	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].quadraticAttenuation, gl_LightSource[2].specular.a);
-	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].quadraticAttenuation ,gl_LightSource[3].specular.a);
-	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].quadraticAttenuation, gl_LightSource[4].specular.a);
-	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].quadraticAttenuation, gl_LightSource[5].specular.a);
-	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].quadraticAttenuation, gl_LightSource[6].specular.a);
-	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].quadraticAttenuation, gl_LightSource[7].specular.a);
+	col.rgb += light_diffuse[2].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[2], light_direction[2], light_attenuation[2].x, light_attenuation[2].y, 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].y, light_attenuation[3].z);
+	col.rgb += light_diffuse[4].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[4], light_direction[4], light_attenuation[4].x, light_attenuation[4].y, light_attenuation[4].z);
+	col.rgb += light_diffuse[5].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[5], light_direction[5], light_attenuation[5].x, light_attenuation[5].y, light_attenuation[5].z);
+	col.rgb += light_diffuse[6].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[6], light_direction[6], light_attenuation[6].x, light_attenuation[6].y, light_attenuation[6].z);
+	col.rgb += light_diffuse[7].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[7], light_direction[7], light_attenuation[7].x, light_attenuation[7].y, light_attenuation[7].z);
 	
 	vary_pointlight_col = col.rgb;
 
@@ -125,7 +130,7 @@ void main()
 	col.rgb = atmosAmbient(vec3(0.));
 	
 	vary_ambient = col.rgb;
-	vary_directional = atmosAffectDirectionalLight(max(calcDirectionalLight(norm, gl_LightSource[0].position.xyz), 0.0));
+	vary_directional = atmosAffectDirectionalLight(max(calcDirectionalLight(norm, light_position[0].xyz), 0.0));
 	
 	col.rgb = min(col.rgb, 1.0);
 	
diff --git a/indra/newview/app_settings/shaders/class2/lighting/sumLightsSpecularV.glsl b/indra/newview/app_settings/shaders/class2/lighting/sumLightsSpecularV.glsl
index d0a12479db..3acf9fe883 100644
--- a/indra/newview/app_settings/shaders/class2/lighting/sumLightsSpecularV.glsl
+++ b/indra/newview/app_settings/shaders/class2/lighting/sumLightsSpecularV.glsl
@@ -33,6 +33,10 @@ vec3 atmosAffectDirectionalLight(float lightIntensity);
 vec3 atmosGetDiffuseSunlightColor();
 vec3 scaleDownLight(vec3 light);
 
+uniform vec4 light_position[8];
+uniform vec3 light_attenuation[8]; 
+uniform vec3 light_diffuse[8];
+
 vec4 sumLightsSpecular(vec3 pos, vec3 norm, vec4 color, inout vec4 specularColor, vec4 baseCol)
 {
 	vec4 col = vec4(0.0, 0.0, 0.0, color.a);
@@ -43,15 +47,14 @@ vec4 sumLightsSpecular(vec3 pos, vec3 norm, vec4 color, inout vec4 specularColor
 	vec4 specularSum = vec4(0.0);
 	
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
-	col.rgb += gl_LightSource[1].diffuse.rgb * calcDirectionalLightSpecular(specularColor, view, norm, gl_LightSource[1].position.xyz, gl_LightSource[1].diffuse.rgb, 1.0);
-	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, gl_LightSource[2].position.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].quadraticAttenuation, gl_LightSource[2].diffuse.rgb);
-	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, gl_LightSource[3].position.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].quadraticAttenuation, gl_LightSource[3].diffuse.rgb);
-	//col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, gl_LightSource[4].position.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].quadraticAttenuation, gl_LightSource[4].diffuse.rgb);
+	col.rgb += light_diffuse[1].rgb * calcDirectionalLightSpecular(specularColor, view, norm, light_position[1].xyz,light_diffuse[1].rgb, 1.0);
+	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, light_position[2].xyz, light_attenuation[2].x, light_attenuation[2].y, light_diffuse[2].rgb); 
+	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, light_position[3].xyz, light_attenuation[3].x, light_attenuation[3].y, light_diffuse[3].rgb); 
 	col.rgb = scaleDownLight(col.rgb);
 						
 	// Add windlight lights
 	col.rgb += atmosAmbient(baseCol.rgb);
-	col.rgb += atmosAffectDirectionalLight(calcDirectionalLightSpecular(specularSum, view, norm, gl_LightSource[0].position.xyz, atmosGetDiffuseSunlightColor()*baseCol.a, 1.0));
+	col.rgb += atmosAffectDirectionalLight(calcDirectionalLightSpecular(specularSum, view, norm, light_position[0].xyz,atmosGetDiffuseSunlightColor()*baseCol.a, 1.0));
 
 	col.rgb = min(col.rgb*color.rgb, 1.0);
 	specularColor.rgb = min(specularColor.rgb*specularSum.rgb, 1.0);
diff --git a/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl b/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
index 55dfab2aa1..c9987ef3b9 100644
--- a/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
+++ b/indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl
@@ -30,21 +30,26 @@ vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
 vec3 scaleDownLight(vec3 light);
 
+uniform vec4 light_position[8];
+uniform vec3 light_direction[8];
+uniform vec3 light_attenuation[8]; 
+uniform vec3 light_diffuse[8];
+
 vec4 sumLights(vec3 pos, vec3 norm, vec4 color, vec4 baseLight)
 {
 	vec4 col = vec4(0.0, 0.0, 0.0, color.a);
 	
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
-	col.rgb += gl_LightSource[1].diffuse.rgb * calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
+	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], 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);
 
-	col.rgb += gl_LightSource[2].diffuse.rgb * calcPointLightOrSpotLight(pos, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a);
-	col.rgb += gl_LightSource[3].diffuse.rgb * calcPointLightOrSpotLight(pos, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a);
-	//col.rgb += gl_LightSource[4].diffuse.rgb * calcPointLightOrSpotLight(pos, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a);
 	col.rgb = scaleDownLight(col.rgb);
 
 	// Add windlight lights
 	col.rgb += atmosAmbient(baseLight.rgb);
-	col.rgb += atmosAffectDirectionalLight(calcDirectionalLight(norm, gl_LightSource[0].position.xyz));
+	col.rgb += atmosAffectDirectionalLight(calcDirectionalLight(norm, light_position[0].xyz));
 				
 	col.rgb = min(col.rgb*color.rgb, 1.0);
 	
diff --git a/indra/newview/app_settings/shaders/class3/lighting/sumLightsSpecularV.glsl b/indra/newview/app_settings/shaders/class3/lighting/sumLightsSpecularV.glsl
index 79bd017efc..e043ac873e 100644
--- a/indra/newview/app_settings/shaders/class3/lighting/sumLightsSpecularV.glsl
+++ b/indra/newview/app_settings/shaders/class3/lighting/sumLightsSpecularV.glsl
@@ -23,8 +23,6 @@
  * $/LicenseInfo$
  */
  
-
-
 float calcDirectionalLightSpecular(inout vec4 specular, vec3 view, vec3 n, vec3 l, vec3 lightCol, float da);
 vec3 calcPointLightSpecular(inout vec4 specular, vec3 view, vec3 v, vec3 n, vec3 l, float r, float pw, vec3 lightCol);
 
@@ -33,6 +31,10 @@ vec3 atmosAffectDirectionalLight(float lightIntensity);
 vec3 atmosGetDiffuseSunlightColor();
 vec3 scaleDownLight(vec3 light);
 
+uniform vec4 light_position[8];
+uniform vec3 light_attenuation[8]; 
+uniform vec3 light_diffuse[8];
+
 vec4 sumLightsSpecular(vec3 pos, vec3 norm, vec4 color, inout vec4 specularColor, vec4 baseCol)
 {
 	vec4 col = vec4(0.0, 0.0, 0.0, color.a);
@@ -43,18 +45,18 @@ vec4 sumLightsSpecular(vec3 pos, vec3 norm, vec4 color, inout vec4 specularColor
 	vec4 specularSum = vec4(0.0);
 	
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
-	col.rgb += gl_LightSource[1].diffuse.rgb * calcDirectionalLightSpecular(specularColor, view, norm, gl_LightSource[1].position.xyz,gl_LightSource[1].diffuse.rgb, 1.0);
-	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, gl_LightSource[2].position.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].quadraticAttenuation,gl_LightSource[2].diffuse.rgb);
-	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, gl_LightSource[3].position.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].quadraticAttenuation,gl_LightSource[3].diffuse.rgb);
-	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, gl_LightSource[4].position.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].quadraticAttenuation,gl_LightSource[4].diffuse.rgb);
-	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, gl_LightSource[5].position.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].quadraticAttenuation,gl_LightSource[5].diffuse.rgb);
-	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, gl_LightSource[6].position.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].quadraticAttenuation,gl_LightSource[6].diffuse.rgb);
-	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, gl_LightSource[7].position.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].quadraticAttenuation,gl_LightSource[7].diffuse.rgb);
+	col.rgb += light_diffuse[1].rgb * calcDirectionalLightSpecular(specularColor, view, norm, light_position[1].xyz,light_diffuse[1].rgb, 1.0);
+	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, light_position[2].xyz, light_attenuation[2].x, light_attenuation[2].y, light_diffuse[2].rgb); 
+	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, light_position[3].xyz, light_attenuation[3].x, light_attenuation[3].y, light_diffuse[3].rgb); 
+	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, light_position[4].xyz, light_attenuation[4].x, light_attenuation[4].y, light_diffuse[4].rgb); 
+	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, light_position[5].xyz, light_attenuation[5].x, light_attenuation[5].y, light_diffuse[5].rgb); 
+	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, light_position[6].xyz, light_attenuation[6].x, light_attenuation[6].y, light_diffuse[6].rgb); 
+	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, light_position[7].xyz, light_attenuation[7].x, light_attenuation[7].y, light_diffuse[7].rgb); 
 	col.rgb = scaleDownLight(col.rgb);
 						
 	// Add windlight lights
 	col.rgb += atmosAmbient(baseCol.rgb);
-	col.rgb += atmosAffectDirectionalLight(calcDirectionalLightSpecular(specularSum, view, norm, gl_LightSource[0].position.xyz,atmosGetDiffuseSunlightColor()*baseCol.a, 1.0));
+	col.rgb += atmosAffectDirectionalLight(calcDirectionalLightSpecular(specularSum, view, norm, light_position[0].xyz,atmosGetDiffuseSunlightColor()*baseCol.a, 1.0));
 
 	col.rgb = min(col.rgb*color.rgb, 1.0);
 	specularColor.rgb = min(specularColor.rgb*specularSum.rgb, 1.0);
diff --git a/indra/newview/app_settings/shaders/class3/lighting/sumLightsV.glsl b/indra/newview/app_settings/shaders/class3/lighting/sumLightsV.glsl
index c31afb6268..dadff40933 100644
--- a/indra/newview/app_settings/shaders/class3/lighting/sumLightsV.glsl
+++ b/indra/newview/app_settings/shaders/class3/lighting/sumLightsV.glsl
@@ -32,22 +32,29 @@ vec3 atmosAffectDirectionalLight(float lightIntensity);
 vec3 scaleDownLight(vec3 light);
 vec3 scaleUpLight(vec3 light);
 
+uniform vec4 light_position[8];
+uniform vec3 light_direction[8];
+uniform vec3 light_attenuation[8]; 
+uniform vec3 light_diffuse[8];
+
 vec4 sumLights(vec3 pos, vec3 norm, vec4 color, vec4 baseLight)
 {
 	vec4 col = vec4(0.0, 0.0, 0.0, color.a);
 	
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
-	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a);
-	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a);
-	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a);
-	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].specular.a);
-	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].specular.a);
-	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].specular.a);
-	col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
+	
+	// Collect normal lights
+	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);
+	col.rgb += light_diffuse[4].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[4], light_direction[4], light_attenuation[4].x, light_attenuation[4].z);
+	col.rgb += light_diffuse[5].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[5], light_direction[5], light_attenuation[5].x, light_attenuation[5].z);
+	col.rgb += light_diffuse[6].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[6], light_direction[6], light_attenuation[6].x, light_attenuation[6].z);
+	col.rgb += light_diffuse[7].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[7], light_direction[7], light_attenuation[7].x, light_attenuation[7].z);
+	col.rgb += light_diffuse[1].rgb*calcDirectionalLight(norm, light_position[1].xyz);
 	col.rgb = scaleDownLight(col.rgb);
 
 	// Add windlight lights
-	col.rgb += atmosAffectDirectionalLight(calcDirectionalLight(norm, gl_LightSource[0].position.xyz));
+	col.rgb += atmosAffectDirectionalLight(calcDirectionalLight(norm, light_position[0].xyz));
 	col.rgb += atmosAmbient(baseLight.rgb);
 
 	col.rgb = min(col.rgb*color.rgb, 1.0);
diff --git a/indra/newview/llviewerdisplay.cpp b/indra/newview/llviewerdisplay.cpp
index 5f4156732e..22f4db56dd 100644
--- a/indra/newview/llviewerdisplay.cpp
+++ b/indra/newview/llviewerdisplay.cpp
@@ -522,10 +522,13 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 	// Slam lighting parameters back to our defaults.
 	// Note that these are not the same as GL defaults...
 
-	stop_glerror();
-	F32 one[4] =	{1.f, 1.f, 1.f, 1.f};
-	glLightModelfv (GL_LIGHT_MODEL_AMBIENT,one);
-	stop_glerror();
+	if (!LLGLSLShader::sNoFixedFunction)
+	{
+		stop_glerror();
+		F32 one[4] =	{1.f, 1.f, 1.f, 1.f};
+		glLightModelfv (GL_LIGHT_MODEL_AMBIENT,one);
+		stop_glerror();
+	}
 		
 	/////////////////////////////////////
 	//
diff --git a/indra/newview/llviewerwindow.cpp b/indra/newview/llviewerwindow.cpp
index 010bcfb125..cd9dc461d5 100644
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
@@ -1725,7 +1725,10 @@ void LLViewerWindow::initGLDefaults()
 	// lights for objects
 	glShadeModel( GL_SMOOTH );
 
-	glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient);
+	if (!LLGLSLShader::sNoFixedFunction)
+	{
+		glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient);
+	}
 	
 	gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
 
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 60d504e948..ebad1f77c4 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -4824,8 +4824,6 @@ void LLPipeline::setupAvatarLights(BOOL for_edit)
 {
 	assertInitialized();
 
-	gGL.syncMatrices();
-
 	if (for_edit)
 	{
 		LLColor4 diffuse(1.f, 1.f, 1.f, 0.f);
@@ -5054,11 +5052,13 @@ void LLPipeline::calcNearbyLights(LLCamera& camera)
 void LLPipeline::setupHWLights(LLDrawPool* pool)
 {
 	assertInitialized();
-	gGL.syncMatrices();
-
+	
 	// Ambient
-	LLColor4 ambient = gSky.getTotalAmbientColor();
-	glLightModelfv(GL_LIGHT_MODEL_AMBIENT,ambient.mV);
+	if (!LLGLSLShader::sNoFixedFunction)
+	{
+		LLColor4 ambient = gSky.getTotalAmbientColor();
+		glLightModelfv(GL_LIGHT_MODEL_AMBIENT,ambient.mV);
+	}
 
 	// Light 0 = Sun or Moon (All objects)
 	{
@@ -5282,11 +5282,15 @@ void LLPipeline::enableLights(U32 mask)
 		{
 			glDisable(GL_LIGHTING);
 		}
-		stop_glerror();
 		mLightMask = mask;
-		LLColor4 ambient = gSky.getTotalAmbientColor();
-		glLightModelfv(GL_LIGHT_MODEL_AMBIENT,ambient.mV);
 		stop_glerror();
+
+		if (!LLGLSLShader::sNoFixedFunction)
+		{
+			LLColor4 ambient = gSky.getTotalAmbientColor();
+			glLightModelfv(GL_LIGHT_MODEL_AMBIENT,ambient.mV);
+		}
+		
 	}
 }
 
@@ -5335,11 +5339,12 @@ void LLPipeline::enableLightsPreview()
 {
 	disableLights();
 
-	gGL.syncMatrices();
-
-	glEnable(GL_LIGHTING);
-	LLColor4 ambient = gSavedSettings.getColor4("PreviewAmbientColor");
-	glLightModelfv(GL_LIGHT_MODEL_AMBIENT,ambient.mV);
+	if (!LLGLSLShader::sNoFixedFunction)
+	{
+		glEnable(GL_LIGHTING);
+		LLColor4 ambient = gSavedSettings.getColor4("PreviewAmbientColor");
+		glLightModelfv(GL_LIGHT_MODEL_AMBIENT,ambient.mV);
+	}
 
 
 	LLColor4 diffuse0 = gSavedSettings.getColor4("PreviewDiffuse0");
@@ -5398,7 +5403,10 @@ void LLPipeline::enableLightsAvatarEdit(const LLColor4& color)
 	setupAvatarLights(TRUE);
 	enableLights(mask);
 
-	glLightModelfv(GL_LIGHT_MODEL_AMBIENT,color.mV);
+	if (!LLGLSLShader::sNoFixedFunction)
+	{
+		glLightModelfv(GL_LIGHT_MODEL_AMBIENT,color.mV);
+	}
 }
 
 void LLPipeline::enableLightsFullbright(const LLColor4& color)
@@ -5407,7 +5415,10 @@ void LLPipeline::enableLightsFullbright(const LLColor4& color)
 	U32 mask = 0x1000; // Non-0 mask, set ambient
 	enableLights(mask);
 
-	glLightModelfv(GL_LIGHT_MODEL_AMBIENT,color.mV);
+	if (!LLGLSLShader::sNoFixedFunction)
+	{
+		glLightModelfv(GL_LIGHT_MODEL_AMBIENT,color.mV);
+	}
 }
 
 void LLPipeline::disableLights()