30     if (0 == fMat[SkMatrix::kMPersp0] && 0 == fMat[SkMatrix::kMPersp1]) {  in doNormalizePerspective()
78     fMat[kMPersp0] = 0;  in setAffine()
100     if (fMat[kMPersp0] != 0 || fMat[kMPersp1] != 0 || fMat[kMPersp2] != 1) {  in computePerspectiveTypeMask()
114     if (fMat[kMPersp0] != 0 || fMat[kMPersp1] != 0 || fMat[kMPersp2] != 1) {  in computeTypeMask()
350     fMat[kMPersp0] *= sx;  in preScale()
422     fMat[kMPersp0] = fMat[kMPersp1] = 0;  in setSinCos()
438     fMat[kMPersp0] = fMat[kMPersp1] = 0;  in setRSXform()
454     fMat[kMPersp0] = fMat[kMPersp1] = 0;  in setSinCos()
514     fMat[kMPersp0] = fMat[kMPersp1] = 0;  in setSkew()
635             tmp.fMat[kMPersp0] = rowcol3(&a.fMat[6], &b.fMat[0]);  in setConcat()
671             tmp.fMat[kMPersp0] = 0;  in setConcat()
730                     dcross(mat[SkMatrix::kMTransY], mat[SkMatrix::kMPersp0],  in sk_determinant()
735                            mat[SkMatrix::kMScaleY], mat[SkMatrix::kMPersp0]);  in sk_determinant()
800 … dst[kMSkewY]  = scross_dscale(src[kMTransY], src[kMPersp0], src[kMSkewY],  src[kMPersp2], invDet);  in ComputeInv()
801 … dst[kMScaleY] = scross_dscale(src[kMScaleX], src[kMPersp2], src[kMTransX], src[kMPersp0], invDet);  in ComputeInv()
804 … dst[kMPersp0] = scross_dscale(src[kMSkewY],  src[kMPersp1], src[kMScaleY], src[kMPersp0], invDet);  in ComputeInv()
805 … dst[kMPersp1] = scross_dscale(src[kMSkewX],  src[kMPersp0], src[kMScaleX], src[kMPersp1], invDet);  in ComputeInv()
816         dst[kMPersp0] = 0;  in ComputeInv()
843                 inv->fMat[kMPersp0] = inv->fMat[kMPersp1] = 0;  in invertNonIdentity()
976             SkScalar z = sx * m.fMat[kMPersp0] + (sy * m.fMat[kMPersp1] + m.fMat[kMPersp2]);  in Persp_pts()
978             SkScalar z = sdot(sx, m.fMat[kMPersp0], sy, m.fMat[kMPersp1]) + m.fMat[kMPersp2];  in Persp_pts()
1066             SkScalar w = sdot(sx, mat[M::kMPersp0], sy, mat[M::kMPersp1], sw, mat[M::kMPersp2]);  in MapHomogeneousPointsWithStride()
1200     SkScalar z = sdot(sx, m.fMat[kMPersp0], sy, m.fMat[kMPersp1]) + m.fMat[kMPersp2];  in Persp_xy()
1290   return PerspNearlyZero(fMat[kMPersp0]);
1294     SkASSERT(PerspNearlyZero(fMat[kMPersp0]));
1314     dst->fMat[kMPersp0] = 0;  in Poly2Proc()
1330     dst->fMat[kMPersp0] = 0;  in Poly3Proc()
1386     dst->fMat[kMPersp0] = a2;  in Poly4Proc()