Lines Matching defs:invDet
803 void SkMatrix::ComputeInv(SkScalar dst[9], const SkScalar src[9], double invDet, bool isPersp) {
808 dst[kMScaleX] = scross_dscale(src[kMScaleY], src[kMPersp2], src[kMTransY], src[kMPersp1], invDet);
809 dst[kMSkewX] = scross_dscale(src[kMTransX], src[kMPersp1], src[kMSkewX], src[kMPersp2], invDet);
810 dst[kMTransX] = scross_dscale(src[kMSkewX], src[kMTransY], src[kMTransX], src[kMScaleY], invDet);
812 dst[kMSkewY] = scross_dscale(src[kMTransY], src[kMPersp0], src[kMSkewY], src[kMPersp2], invDet);
813 dst[kMScaleY] = scross_dscale(src[kMScaleX], src[kMPersp2], src[kMTransX], src[kMPersp0], invDet);
814 dst[kMTransY] = scross_dscale(src[kMTransX], src[kMSkewY], src[kMScaleX], src[kMTransY], invDet);
816 dst[kMPersp0] = scross_dscale(src[kMSkewY], src[kMPersp1], src[kMScaleY], src[kMPersp0], invDet);
817 dst[kMPersp1] = scross_dscale(src[kMSkewX], src[kMPersp0], src[kMScaleX], src[kMPersp1], invDet);
818 dst[kMPersp2] = scross_dscale(src[kMScaleX], src[kMScaleY], src[kMSkewX], src[kMSkewY], invDet);
820 dst[kMScaleX] = SkDoubleToScalar(src[kMScaleY] * invDet);
821 dst[kMSkewX] = SkDoubleToScalar(-src[kMSkewX] * invDet);
822 dst[kMTransX] = dcross_dscale(src[kMSkewX], src[kMTransY], src[kMScaleY], src[kMTransX], invDet);
824 dst[kMSkewY] = SkDoubleToScalar(-src[kMSkewY] * invDet);
825 dst[kMScaleY] = SkDoubleToScalar(src[kMScaleX] * invDet);
826 dst[kMTransY] = dcross_dscale(src[kMSkewY], src[kMTransX], src[kMScaleX], src[kMTransY], invDet);
877 double invDet = sk_inv_determinant(fMat, isPersp);
879 if (invDet == 0) { // underflow
892 ComputeInv(tmp->fMat, fMat, invDet, isPersp);
