1 files changed, 4 insertions, 1 deletions
diff --git a/skia/corecg/SkMatrix.cpp b/skia/corecg/SkMatrix.cpp
index d5b64ec..4c9a087 100644
--- a/skia/corecg/SkMatrix.cpp
+++ b/skia/corecg/SkMatrix.cpp
@@ -667,9 +667,12 @@ bool SkMatrix::postConcat(const SkMatrix& mat) {
             det =   (double)mat[SkMatrix::kMScaleX] * mat[SkMatrix::kMScaleY] - (double)mat[SkMatrix::kMSkewX] * mat[SkMatrix::kMSkewY];
         }
 
-        if (SkScalarNearlyZero((float)det)) {
+        // Since the determinant is on the order of the square of the matrix members,
+        // compare to the square of the default nearly-zero constant
+        if (SkScalarNearlyZero((float)det, SK_ScalarNearlyZero * SK_ScalarNearlyZero)) {
             return 0;
         }
+
         return (float)(1.0 / det);
     }
 #else