751     // GA is the matrix A with rotation removed.  in computeMatrices()
752     SkMatrix GA;  in computeMatrices()  local
759         // G is the Givens Matrix for A (rotational matrix where GA[0][1] == 0).  in computeMatrices()
763         GA = G;  in computeMatrices()
764         GA.preConcat(A);  in computeMatrices()
774         GA = A;  in computeMatrices()
780     // At this point, given GA, create s.  in computeMatrices()
783             s->fX = SkScalarAbs(GA.get(SkMatrix::kMScaleX));  in computeMatrices()
784             s->fY = SkScalarAbs(GA.get(SkMatrix::kMScaleY));  in computeMatrices()
787             SkScalar yScale = SkScalarAbs(GA.get(SkMatrix::kMScaleY));  in computeMatrices()
793             SkScalar realYScale = SkScalarAbs(GA.get(SkMatrix::kMScaleY));  in computeMatrices()
809         // If GA == A and kFull_PreMatrixScale, sA is identity.  in computeMatrices()
810         // If GA == A and kVertical_PreMatrixScale and A.scaleX == A.scaleY, sA is identity.  in computeMatrices()
813         // If GA == A and kVertical_PreMatrixScale, sA.scaleY is SK_Scalar1.  in computeMatrices()
824         *GsA = GA;  in computeMatrices()