Prevent possible divide by 0
Bug #7307304
Should never happen, but eh :))
Change-Id: Ic7a09fd5c7a3622e6b4963f9ee6920e232018e2e
diff --git a/libs/hwui/Patch.cpp b/libs/hwui/Patch.cpp
index b3631df..902c82f 100644
--- a/libs/hwui/Patch.cpp
+++ b/libs/hwui/Patch.cpp
@@ -134,7 +134,7 @@
const float fixed = bitmapWidth - stretchSize;
const float xStretch = fmaxf(right - left - fixed, 0.0f);
stretchX = xStretch / xStretchTex;
- rescaleX = fminf(fmaxf(right - left, 0.0f) / fixed, 1.0f);
+ rescaleX = fixed == 0.0f ? 0.0f : fminf(fmaxf(right - left, 0.0f) / fixed, 1.0f);
}
if (yStretchCount > 0) {
@@ -146,7 +146,7 @@
const float fixed = bitmapHeight - stretchSize;
const float yStretch = fmaxf(bottom - top - fixed, 0.0f);
stretchY = yStretch / yStretchTex;
- rescaleY = fminf(fmaxf(bottom - top, 0.0f) / fixed, 1.0f);
+ rescaleY = fixed == 0.0f ? 0.0f : fminf(fmaxf(bottom - top, 0.0f) / fixed, 1.0f);
}
TextureVertex* vertex = mVertices;