Get rid of useless code
Change-Id: I7fedd0df349e1d9408d58edcab25396e2ff2edd6
diff --git a/libs/hwui/SpotShadow.cpp b/libs/hwui/SpotShadow.cpp
index f81cd12..5fa0ba5 100644
--- a/libs/hwui/SpotShadow.cpp
+++ b/libs/hwui/SpotShadow.cpp
@@ -573,10 +573,8 @@
for (int j = 0; j < lightPolyLength; j++) {
int m = 0;
for (int i = 0; i < polyLength; i++) {
+ // After validating the input, deltaZ is guaranteed to be positive.
float deltaZ = lightPoly[j].z - poly[i].z;
- if (deltaZ == 0) {
- return;
- }
float ratioZ = lightPoly[j].z / deltaZ;
float x = lightPoly[j].x - ratioZ * (lightPoly[j].x - poly[i].x);
float y = lightPoly[j].y - ratioZ * (lightPoly[j].y - poly[i].y);
@@ -615,9 +613,6 @@
// If there is no real umbra, make a fake one.
for (int i = 0; i < polyLength; i++) {
float deltaZ = lightCenter.z - poly[i].z;
- if (deltaZ == 0) {
- return;
- }
float ratioZ = lightCenter.z / deltaZ;
float x = lightCenter.x - ratioZ * (lightCenter.x - poly[i].x);
float y = lightCenter.y - ratioZ * (lightCenter.y - poly[i].y);