Merged from master. Get rid of redundant GL fog states. Moved local light parameters to shader uniform arrays.

examples/avatarLocalLight.js

@@ -23,19 +23,19 @@ function keyPressEvent(event) {
     
     if (event.text == "1") {
     	currentSelection = 0;
-    	print("selection = " + currentSelection);
+    	print("light election = " + currentSelection);
     }
     else if (event.text == "2" ) {
     	currentSelection = 1;
-    	print("selection = " + currentSelection);
+    	print("light selection = " + currentSelection);
     }
     else if (event.text == "3" ) {
     	currentSelection = 2;
-    	print("selection = " + currentSelection);
+    	print("light selection = " + currentSelection);
     }
     else if (event.text == "4" ) {
     	currentSelection = 3;
-    	print("selection = " + currentSelection);
+    	print("light selection = " + currentSelection);
     }
     else if (event.text == "5" ) {
     	localLightColors[currentSelection].x += 0.01;

interface/resources/shaders/model.vert

@@ -39,3 +39,4 @@ void main(void) {
     // use standard pipeline transform
     gl_Position = ftransform();
 }
+

interface/resources/shaders/model_specular_map.frag

@@ -12,6 +12,7 @@
 //
 const int MAX_LOCAL_LIGHTS = 2;
 
+uniform int numLocalLights;
 uniform vec3 localLightDirections[MAX_LOCAL_LIGHTS];
 uniform vec3 localLightColors[MAX_LOCAL_LIGHTS];
 
@@ -35,7 +36,7 @@ void main(void) {
     
     // the local light that is always present
     vec4 totalLocalLight = vec4(0.0, 0.0, 0.0, 1.0);
-    for (int i = 0; i < MAX_LOCAL_LIGHTS; i++) {
+    for (int i = 0; i < numLocalLights; i++) {
         float localDiffuse = dot(normalizedNormal, vec4(localLightDirections[i], 1.0));
         float localLight = step(0.0, localDiffuse);
         float localLightVal = localDiffuse * localLight;

interface/resources/shaders/skin_model.vert

@@ -13,7 +13,6 @@
 
 const int MAX_CLUSTERS = 128;
 const int INDICES_PER_VERTEX = 4;
-const int MAX_LOCAL_LIGHTS = 4;
 
 uniform mat4 clusterMatrices[MAX_CLUSTERS];
 

interface/src/avatar/Avatar.cpp

@@ -86,7 +86,7 @@ void Avatar::init() {
    
     for (int i = 0; i < MAX_LOCAL_LIGHTS; i++) {
         _localLightColors[i] = glm::vec3(0.0f, 0.0f, 0.0f);
-        _localLightDirections[i] = glm::vec3(0.0f, 0.0f, 1.0f);
+        _localLightDirections[i] = glm::vec3(0.0f, 0.0f, 0.0f);
     }
   
     glm::vec3 darkGrayColor(0.3f, 0.3f, 0.3f); 

interface/src/renderer/Model.cpp

@@ -1489,7 +1489,7 @@ void Model::renderMeshes(float alpha, RenderMode mode, bool translucent, bool re
                 program->setUniform(skinLocations->shadowDistances, Application::getInstance()->getShadowDistances());
             }
             
-            // local light
+            // local light uniforms
             skinProgram->setUniformValue("numLocalLights", _numLocalLights);
             skinProgram->setUniformArray("localLightDirections", _localLightDirections, MAX_LOCAL_LIGHTS);
             skinProgram->setUniformArray("localLightColors", _localLightColors, MAX_LOCAL_LIGHTS);