Fix the problem that mDamageGenerationId is a random value

1. mDamageGenerationId is a random value when initialized. When this random value happens to be equal to info.damageGenerationId, the dirty range will reach the maximum DIRTY_MAX.
2. When info.damageGenerationId is equal to 0, which is when the first frame of the APP is drawn, there is no need to reach the maximum DIRTY_MAX in the dirty range.

Bug: 321612817
Test: build

Change-Id: Iab6a04170926d10cdf2a62ae0fbf9cbe5eeb8bbf
Signed-off-by: qiubowen <qiubowen@xiaomi.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/libs/hwui/RenderNode.h b/libs/hwui/RenderNode.h
index 572635a9bd45..4d03bf189a84 100644
--- a/libs/hwui/RenderNode.h
+++ b/libs/hwui/RenderNode.h
@@ -263,7 +263,7 @@ private:
     DisplayList mDisplayList;
     DisplayList mStagingDisplayList;
 
-    int64_t mDamageGenerationId;
+    int64_t mDamageGenerationId = 0;
 
     friend class AnimatorManager;
     AnimatorManager mAnimatorManager;