diff --git a/src/lara.h b/src/lara.h
index 3ff13be..478bc79 100644
--- a/src/lara.h
+++ b/src/lara.h
@@ -236,7 +236,7 @@ struct Lara : Character {
         stand = STAND_ONWATER;
         animation.setAnim(ANIM_TO_ONWATER);
         updateEntity();
-        */
+      */
     #ifdef _DEBUG
 /*
     // gym 
diff --git a/src/level.h b/src/level.h
index 83d4ab9..21cd61e 100644
--- a/src/level.h
+++ b/src/level.h
@@ -421,7 +421,7 @@ struct Level : IGame {
 
             Core::active.shader->setParam(uTexParam, vec4(1.0f, 1.0f, sx, sz));
 
-            item.caustics->unbind(sReflect);
+            Core::whiteTex->bind(sReflect);
             item.data[0]->bind(sNormal);
             Core::setTarget(item.caustics);
             level->mesh->renderPlane();
@@ -1121,8 +1121,10 @@ struct Level : IGame {
         camera->setup(Core::pass == Core::passCompose);
 
         atlas->bind(sDiffuse);
-        cube->bind(sEnvironment);
+        Core::whiteTex->bind(sNormal);
         Core::whiteTex->bind(sMask);
+        Core::whiteTex->bind(sReflect);        
+        cube->bind(sEnvironment);
 
         if (!Core::support.VAO)
             mesh->bind();
diff --git a/src/shader.glsl b/src/shader.glsl
index f16e9d2..6aaed3d 100644
--- a/src/shader.glsl
+++ b/src/shader.glsl
@@ -229,7 +229,7 @@ uniform int   uType;
 
         float calcCaustics(vec3 n) {
             if (uCaustics != 0) {
-                vec2 fade = smoothstep(uRoomSize.xy, uRoomSize.xy + vec2(256.0), vCoord.xz) * (1.0f - smoothstep(uRoomSize.zw - vec2(256.0), uRoomSize.zw, vCoord.xz));
+                vec2 fade = smoothstep(uRoomSize.xy, uRoomSize.xy + vec2(256.0), vCoord.xz) * (1.0 - smoothstep(uRoomSize.zw - vec2(256.0), uRoomSize.zw, vCoord.xz));
                 return texture2D(sReflect, vTexCoord.zw).r * (max(0.0, -n.y)) * fade.x * fade.y;
             } else
                 return 0.0;
diff --git a/src/texture.h b/src/texture.h
index aa319c2..34d5907 100644
--- a/src/texture.h
+++ b/src/texture.h
@@ -62,7 +62,7 @@ struct Texture {
             { GL_RGBA,            GL_RGBA,            GL_UNSIGNED_BYTE  },    // RGBA
             { GL_RGBA32F,         GL_RGBA,            GL_FLOAT          },    // RGBA_FLOAT
             { GL_RGBA16F,         GL_RGBA,            GL_HALF_FLOAT     },    // RGBA_HALF
-            { GL_RED,             GL_RED,             GL_UNSIGNED_BYTE  },    // RED
+            { GL_LUMINANCE,       GL_LUMINANCE,       GL_UNSIGNED_BYTE  },    // RED
             { GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT },    // DEPTH
             { GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT },    // SHADOW
         };