Merge "Use more robust color transform"

        // Compute sRGB to DisplayP3 color transform

        // NOTE: For now, we are limiting wide-color support to

        // Display-P3 only.

        mat3 srgbToP3 = ColorSpace::DisplayP3().getXYZtoRGB() * ColorSpace::sRGB().getRGBtoXYZ();

        mat3 srgbToP3 = ColorSpaceConnector(ColorSpace::sRGB(), ColorSpace::DisplayP3()).getTransform();

        // color transform needs to be transposed and expanded to 4x4

        // to be what the shader wants