Fix ocean on Android devices.

CesiumGS · Dec 5, 2012 · cf691c2 · cf691c2
1 parent 71a38d7
commit cf691c2
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/Source/Shaders/CentralBodyFS.glsl b/Source/Shaders/CentralBodyFS.glsl
@@ -112,7 +112,8 @@ void main()
 	    material.specular = mix(0.0, 1.0, mask);
 	    material.shininess = 10.0;
 
-	    color = czm_phong(normalize(v_positionEC), material);
+        // The double normalize below works around a bug in Firefox on Android devices.
+	    color = czm_phong(normalize(normalize(v_positionEC)), material);
 #endif
     }
 #endif

diff --git a/Source/Shaders/CentralBodyOcean.glsl b/Source/Shaders/CentralBodyOcean.glsl
@@ -52,7 +52,9 @@ vec4 computeWaterColor(vec3 positionEyeCoordinates, vec2 textureCoordinates, mat
 
     vec3 positionToEyeEC = -positionEyeCoordinates;
     float positionToEyeECLength = length(positionToEyeEC);
-    vec3 normalizedpositionToEyeEC = normalize(positionToEyeEC);
+
+    // The double normalize below works around a bug in Firefox on Android devices.
+    vec3 normalizedpositionToEyeEC = normalize(normalize(positionToEyeEC));
 
     // fade is a function of the distance from the fragment and the frequency of the waves
     float fade = max(1.0, (positionToEyeECLength / 10000000000.0) * frequency * fadeFactor);