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Fix LUTInterpolator lookup table position calc

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BUG: 32830741
Test: running progress bar at 5x duration scale, no flickering
Change-Id: Ie484bdbfdf18bacc4586e36c5142e4523d08bdaa
This commit is contained in:
Doris Liu
2016-11-29 13:04:49 -08:00
parent 7efd37e953
commit 0940834c8c
2 changed files with 3 additions and 2 deletions
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3
libs/hwui/Interpolator.cpp
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@@ -97,7 +97,8 @@ LUTInterpolator::~LUTInterpolator() {
} }
float LUTInterpolator::interpolate(float input) { float LUTInterpolator::interpolate(float input) {
float lutpos = input * mSize; // lut position should only be at the end of the table when input is 1f.
float lutpos = input * (mSize - 1);
if (lutpos >= (mSize - 1)) { if (lutpos >= (mSize - 1)) {
return mValues[mSize - 1]; return mValues[mSize - 1];
} }

2
tools/layoutlib/bridge/src/com/android/internal/view/animation/NativeInterpolatorFactoryHelper_Delegate.java
View File

@@ -104,7 +104,7 @@ public class NativeInterpolatorFactoryHelper_Delegate {
@Override @Override
public float getInterpolation(float input) { public float getInterpolation(float input) {
float lutpos = input * mSize; float lutpos = input * (mSize - 1);
if (lutpos >= (mSize - 1)) { if (lutpos >= (mSize - 1)) {
return mValues[mSize - 1]; return mValues[mSize - 1];
} }