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patch for flutter 1.12.13 shell/common/shell.cc
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diff --git a/shell/common/shell.cc b/shell/common/shell.cc | |
index bef72617c..b73018a61 100644 | |
--- a/shell/common/shell.cc | |
+++ b/shell/common/shell.cc | |
@@ -908,15 +908,28 @@ void Shell::OnAnimatorDraw(fml::RefPtr<Pipeline<flutter::LayerTree>> pipeline) { | |
[& waiting_for_first_frame = waiting_for_first_frame_, | |
&waiting_for_first_frame_condition = waiting_for_first_frame_condition_, | |
rasterizer = rasterizer_->GetWeakPtr(), | |
- pipeline = std::move(pipeline)]() { | |
- if (rasterizer) { | |
- rasterizer->Draw(pipeline); | |
- | |
- if (waiting_for_first_frame.load()) { | |
- waiting_for_first_frame.store(false); | |
- waiting_for_first_frame_condition.notify_all(); | |
+ pipeline = std::move(pipeline), | |
+ is_backgrounded_sync_switch = is_gpu_disabled_sync_switch_]() { | |
+ if (rasterizer) { | |
+ is_backgrounded_sync_switch->Execute( | |
+ fml::SyncSwitch::Handlers().SetIfFalse([&] { | |
+ rasterizer->Draw(pipeline); | |
+ if (waiting_for_first_frame.load()) { | |
+ waiting_for_first_frame.store(false); | |
+ waiting_for_first_frame_condition.notify_all(); | |
+ } | |
+ }).SetIfTrue([&] { | |
+ // drop pipeline | |
+ Pipeline<flutter::LayerTree>::Consumer consumer =[&](std::unique_ptr<LayerTree> layer_tree) {}; | |
+ (void)pipeline->Consume(consumer); | |
+ | |
+ if (waiting_for_first_frame.load()) { | |
+ waiting_for_first_frame.store(false); | |
+ waiting_for_first_frame_condition.notify_all(); | |
+ } | |
+ }) | |
+ ); | |
} | |
- } | |
}); | |
} | |
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