commit 2dfc98b6f563ac7041fd705a8dbcda12cf32fa76
author Nader Jawad <njawad@google.com> Thu Apr 08 20:35:39 2021 -0700
committer Nader Jawad <njawad@google.com> Tue May 04 10:43:06 2021 -0700
tree d321d127b41e515587411936a879c3060c9fb2d4
parent a0e37d286b55bab43ce2c295f98885c9bf77dc95

Update SurfaceFlinger to handle stretching
of surfaces that are part of a scrolling container

Bug: 184297961
Test: In progress
Change-Id: I959df097ae1fc833fb755f1fb2d759d79f260963

libs/gui/SurfaceComposerClient.cpp

diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index 808b731..11b8eba 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -1648,8 +1648,7 @@
 }
 
 SurfaceComposerClient::Transaction& SurfaceComposerClient::Transaction::setStretchEffect(
-        const sp<SurfaceControl>& sc, float left, float top, float right, float bottom, float vecX,
-        float vecY, float maxAmount) {
+    const sp<SurfaceControl>& sc, const StretchEffect& stretchEffect) {
     layer_state_t* s = getLayerState(sc);
     if (!s) {
         mStatus = BAD_INDEX;
@@ -1657,10 +1656,7 @@
     }
 
     s->what |= layer_state_t::eStretchChanged;
-    s->stretchEffect = StretchEffect{.area = {left, top, right, bottom},
-                                     .vectorX = vecX,
-                                     .vectorY = vecY,
-                                     .maxAmount = maxAmount};
+    s->stretchEffect = stretchEffect;
     return *this;
 }