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

[Hawk]

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

[Hawk (beehock)]

Image of missing icons

[Daniel van Vugt (vanvugt)]

Seems to be the ubuntu-ui-toolkit. Reassigned...

[Hawk (beehock)]

Is there any thing I can do to help with resolving the bug?