8 persp.
setAll(0.9839f, 0, 0, 0.2246f, 0.6829f, 0, 0.0002352f, -0.0003844f, 1);
SkMatrix & setAll(SkScalar scaleX, SkScalar skewX, SkScalar transX, SkScalar skewY, SkScalar scaleY, SkScalar transY, SkScalar persp0, SkScalar persp1, SkScalar persp2)
REG_FIDDLE(persp_text_2, 256, 256, false, 0)