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34 lines
1.2 KiB
Diff
34 lines
1.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: stransky <stransky@redhat.com>
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Date: Wed, 10 Jul 2024 10:59:53 +0000
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Subject: [PATCH] Bug 1898476 [Wayland] Lock Wayland surface before Swap
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buffers in RenderCompositorEGL r=emilio
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Depends on D214884
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Differential Revision: https://phabricator.services.mozilla.com/D214885
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---
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gfx/webrender_bindings/RenderCompositorEGL.cpp | 10 ++++++++++
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1 file changed, 10 insertions(+)
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diff --git a/gfx/webrender_bindings/RenderCompositorEGL.cpp b/gfx/webrender_bindings/RenderCompositorEGL.cpp
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index ccabfd375f37..ba10c40657d9 100644
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--- a/gfx/webrender_bindings/RenderCompositorEGL.cpp
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+++ b/gfx/webrender_bindings/RenderCompositorEGL.cpp
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@@ -154,6 +154,16 @@ RenderedFrameId RenderCompositorEGL::EndFrame(
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}
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gl()->SetDamage(bufferInvalid);
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}
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+
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+#ifdef MOZ_WIDGET_GTK
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+ // Rendering on Wayland has to be atomic (buffer attach + commit) and
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+ // wayland surface is also used by main thread so lock it before
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+ // we paint at SwapBuffers().
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+ UniquePtr<MozContainerSurfaceLock> lock;
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+ if (auto* gtkWidget = mWidget->AsGTK()) {
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+ lock = gtkWidget->LockSurface();
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+ }
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+#endif
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gl()->SwapBuffers();
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return frameId;
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}
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