commit 038fc3732d547d78227da2d1ef6898213e05b153
author Stan Iliev <stani@google.com> Mon Jul 30 18:31:46 2018 -0400
committer Stan Iliev <stani@google.com> Tue Jul 31 15:11:31 2018 +0000
tree 7933fcefe0999c7f472efcd39b4ecbe327984b5b
parent bd49376225b0db80f6a49aa18e9c147695742784

Set bilinear filter quality when drawing VectorDrawable

Set filter quality to GL_LINEAR, when drawing
VectorDrawable cache into the frame buffer.

Bug: 77841258
Test: Search bar icon jagged edge in launcher fixed
Change-Id: I91270f64964ae3ba7a47264aec395bc2c2d9e968

libs/hwui/VectorDrawable.cpp

diff --git a/libs/hwui/VectorDrawable.cpp b/libs/hwui/VectorDrawable.cpp
index 402fbad..9f82d0f 100644
--- a/libs/hwui/VectorDrawable.cpp
+++ b/libs/hwui/VectorDrawable.cpp
@@ -474,14 +474,13 @@
 // Update the given paint with alpha and color filter. Return nullptr if no color filter is
 // specified and root alpha is 1. Otherwise, return updated paint.
 SkPaint* Tree::updatePaint(SkPaint* outPaint, TreeProperties* prop) {
-    if (prop->getRootAlpha() == 1.0f && prop->getColorFilter() == nullptr) {
-        return nullptr;
-    } else {
+    // HWUI always draws VD with bilinear filtering.
+    outPaint->setFilterQuality(kLow_SkFilterQuality);
+    if (prop->getRootAlpha() < 1.0f || prop->getColorFilter() != nullptr) {
         outPaint->setColorFilter(sk_ref_sp(prop->getColorFilter()));
-        outPaint->setFilterQuality(kLow_SkFilterQuality);
         outPaint->setAlpha(prop->getRootAlpha() * 255);
-        return outPaint;
     }
+    return outPaint;
 }
 
 Bitmap& Tree::getBitmapUpdateIfDirty() {