From 9da3b9e3faad471278f4d42c17a69ce2ca9e6b03 Mon Sep 17 00:00:00 2001
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From: Takuro Ashie <ashie@clear-code.com>
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Date: Sun, 17 Feb 2019 16:36:53 +0900
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Subject: [PATCH] Enable to suppress multiple compositors
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Because embedded devices might not support multiple EGL windows.
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Upstream-Status: Inappropriate [embedded specific]
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Signed-off-by: Takuro Ashie <ashie@clear-code.com>
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---
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widget/nsBaseWidget.cpp | 7 +++++++
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1 file changed, 7 insertions(+)
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diff --git a/widget/nsBaseWidget.cpp b/widget/nsBaseWidget.cpp
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index 00411c736dd3..6f9ff218b8b7 100644
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--- a/widget/nsBaseWidget.cpp
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+++ b/widget/nsBaseWidget.cpp
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@@ -131,6 +131,8 @@ int32_t nsIWidget::sPointerIdCounter = 0;
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// milliseconds.
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const uint32_t kAsyncDragDropTimeout = 1000;
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+static nsBaseWidget *sSingleCompositorWidget = nullptr;
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+
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namespace mozilla {
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namespace widget {
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@@ -278,6 +280,9 @@ void nsBaseWidget::DestroyCompositor() {
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RefPtr<CompositorSession> session = mCompositorSession.forget();
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session->Shutdown();
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}
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+
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+ if (sSingleCompositorWidget == this)
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+ sSingleCompositorWidget = nullptr;
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}
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// This prevents the layer manager from starting a new transaction during
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@@ -1335,6 +1340,8 @@ void nsBaseWidget::CreateCompositor(int aWidth, int aHeight) {
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gfxPlatform::GetPlatform()->NotifyCompositorCreated(
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mLayerManager->GetCompositorBackendType());
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}
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+
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+ sSingleCompositorWidget = this;
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}
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void nsBaseWidget::NotifyCompositorSessionLost(CompositorSession* aSession) {
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--
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2.17.1
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