MAINT-643 Cleanup some shader compilation errors when atmospheric shaders are enabled.

2 files changed, 17 insertions, 11 deletions

diff --git a/indra/newview/app_settings/shaders/class1/objects/previewV.glsl b/indra/newview/app_settings/shaders/class1/objects/previewV.glsl
index a4cc6a9c99..f2db314201 100644
--- a/indra/newview/app_settings/shaders/class1/objects/previewV.glsl
+++ b/indra/newview/app_settings/shaders/class1/objects/previewV.glsl
@@ -23,6 +23,9 @@
  * $/LicenseInfo$
  */
 
+float calcDirectionalLight(vec3 n, vec3 l);
+float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight);
+
 uniform mat3 normal_matrix;
 uniform mat4 texture_matrix0;
 uniform mat4 modelview_matrix;
@@ -37,9 +40,10 @@ uniform vec4 color;
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 
-
-vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol);
-void calcAtmospherics(vec3 inPositionEye);
+uniform vec4 light_position[8];
+uniform vec3 light_direction[8];
+uniform vec3 light_attenuation[8]; 
+uniform vec3 light_diffuse[8];
 
 void main()
 {
@@ -47,13 +51,15 @@ void main()
 	vec4 pos = (modelview_matrix * vec4(position.xyz, 1.0));
 	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
 	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
-		
+	
 	vec3 norm = normalize(normal_matrix * normal);
 
-	calcAtmospherics(pos.xyz);
+	vec4 col = vec4(0,0,0,1);
 
-	vec4 col = calcLighting(pos.xyz, norm, color, vec4(0.));
+	// 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], 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;
-
-	
 }
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 38e6b84f44..eb4f440951 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -6045,7 +6045,7 @@ void LLPipeline::enableLightsPreview()
 	
 	LLVector4 light_pos(dir0, 0.0f);
 
-	LLLightState* light = gGL.getLight(0);
+	LLLightState* light = gGL.getLight(1);
 
 	light->enable();
 	light->setPosition(light_pos);
@@ -6057,7 +6057,7 @@ void LLPipeline::enableLightsPreview()
 
 	light_pos = LLVector4(dir1, 0.f);
 
-	light = gGL.getLight(1);
+	light = gGL.getLight(2);
 	light->enable();
 	light->setPosition(light_pos);
 	light->setDiffuse(diffuse1);
@@ -6067,7 +6067,7 @@ void LLPipeline::enableLightsPreview()
 	light->setSpotCutoff(180.f);
 
 	light_pos = LLVector4(dir2, 0.f);
-	light = gGL.getLight(2);
+	light = gGL.getLight(3);
 	light->enable();
 	light->setPosition(light_pos);
 	light->setDiffuse(diffuse2);