Doc++

Sometimes the specification hides the information very well.

src/Magnum/Texture.h

@@ -468,9 +468,9 @@ template<UnsignedInt dimensions> class Texture: public AbstractTexture {
          * Comparison operator used when comparison mode is set to
          * @ref Sampler::CompareMode::CompareRefToTexture. If
          * @extension{EXT,direct_state_access} is not available, the texture is
-         * bound to some texture unit before the operation.
+         * bound to some texture unit before the operation. Initial value is
+         * @ref Sampler::CompareFunction::LessOrEqual.
          * @note Depth textures can be only 1D or 2D.
-         * @todoc initial value?
          * @see @ref setCompareMode(), @fn_gl{ActiveTexture},
          *      @fn_gl{BindTexture} and @fn_gl{TexParameter} or
          *      @fn_gl_extension{TextureParameter,EXT,direct_state_access} with