Important comments for development.

modules/atmosphere/shaders/atmosphere_deferred_fs.glsl

@@ -514,11 +514,12 @@ void main() {
       //vec4 positionArray[8];
       float maxAlpha = -1.0;
       for (int i = 0; i < nAaSamples; i++) {
-        meanNormal   += texelFetch(mainNormalTexture, ivec2(gl_FragCoord), i);
+        meanNormal += texelFetch(mainNormalTexture, ivec2(gl_FragCoord), i);
         vec4 color = texelFetch(mainColorTexture, ivec2(gl_FragCoord), i);
         if ( color.a > maxAlpha )
           maxAlpha = color.a;
         meanColor       += color;
+        // Data in the mainPositionTexture are written in view space (view plus camera rig)
         meanPosition    += texelFetch(mainPositionTexture, ivec2(gl_FragCoord), i);
         meanOtherData   += texelFetch(otherDataTexture, ivec2(gl_FragCoord), i);
         //positionArray[i] = texelFetch(mainPositionTexture, ivec2(gl_FragCoord), i);

modules/globebrowsing/shaders/globalchunkedlodpatch_vs.glsl

@@ -110,7 +110,7 @@ void main() {
     // Add the height in the direction of the normal
     pair.position += pair.normal * height;
     vec4 positionClippingSpace =
-        modelViewProjectionTransform * vec4(pair.position, 1);
+        modelViewProjectionTransform * vec4(pair.position, 1.0);
 
     // Write output
     fs_uv = in_uv;
@@ -118,5 +118,5 @@ void main() {
     gl_Position = fs_position;
     ellipsoidNormalCameraSpace = mat3(modelViewTransform) * pair.normal;
     fs_normal = pair.normal;
-    positionCameraSpace = vec3(modelViewTransform * vec4(pair.position, 1));
+    positionCameraSpace = vec3(modelViewTransform * vec4(pair.position, 1.0));
 }

modules/globebrowsing/shaders/tilefragment.hglsl

@@ -206,11 +206,15 @@ Fragment getTileFragment() {
 
     // Other data
 #if USE_WATERMASK
+    // Water reflectance is added to the G-Buffer.
     frag.gOtherData = vec4(waterReflectance, waterReflectance, waterReflectance, 1.0);
 #else
     frag.gOtherData = vec4(0.0, 0.0, 0.0, 1.0);
 #endif
-    // Normal is written in Camera Rig (OS Eye) Space
+    // Normal is written Object Space.
+    // Right now the only renderable using this info is the atm and,
+    // because all calculation for light interactions are done in Object
+    // Space, we avoid a new computation saving the normals in Object Space.
     frag.gNormal    = vec4(normalModelSpace, 1.0); 
     frag.gPosition  = vec4(positionCameraSpace, 1.0); // in Camera Rig Space