missing icons in dash/app scope for ubuntu touch vivid image

Try porting Ubuntu touch to Sony Xperia L. The icons are missing on the dash and in App scope.

Image of App scope with no icon: http://postimg.org/image/g0twu5pyf

Following is the OpenGL errors seen in unity log:

qtmir.mir: SessionListener::starting - this= SessionListener(0x462d5384) session= 0x18c4794
qtmir.sessions: SessionManager::onSessionStarting - sessionName= UbuntuLocationService
qtmir.sessions: Session::Session() "UbuntuLocationService"
QOpenGLShader::link: "--From Vertex Shader:
Error: Symbol textured defined with different precision in vertex and fragment shaders.
--From Fragment Shader:
Error: Symbol textured defined with different precision in vertex and fragment shaders.
"
shader compilation failed:
"--From Vertex Shader:
Error: Symbol textured defined with different precision in vertex and fragment shaders.
--From Fragment Shader:
Error: Symbol textured defined with different precision in vertex and fragment shaders.
"
qtmir.mir: SessionListener::stopping - this= SessionListener(0x462d5384) session= 0x18c4794
QOpenGLShader::link: "--From Vertex Shader:
Error: Symbol textured defined with different precision in vertex and fragment shaders.
--From Fragment Shader:
Error: Symbol textured defined with different precision in vertex and fragment shaders.
"
QOpenGLShader::link: "--From Vertex Shader:
Error: Symbol textured defined with different precision in vertex and fragment shaders.
--From Fragment Shader:
Error: Symbol textured defined with different precision in vertex and fragment shaders.
"
QOpenGLShaderProgram::uniformLocation( shapeTexture ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( sourceTexture ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( matrix ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( opacityFactors ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( dfdtFactor ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( sourceOpacity ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( distanceAA ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( textured ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( aspect ): shader program is not linked