From 124f81008b64c799ef100c4f8848831e9b7bb8a7 Mon Sep 17 00:00:00 2001
From: stransky <stransky@redhat.com>
Date: Wed, 22 Dec 2021 08:37:32 +0000
Subject: [PATCH] Bug 1743632 [Linux] Use GL Fence in SharedSurfaceDMABUF

- Implement SharedSurface_DMABUF::WaitForBufferOwnership() by DMABufSurface::FenceWait().

Depends on D133901

Differential Revision: https://phabricator.services.mozilla.com/D133902
---
 gfx/gl/SharedSurfaceDMABUF.cpp | 2 ++
 gfx/gl/SharedSurfaceDMABUF.h   | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/gfx/gl/SharedSurfaceDMABUF.cpp b/gfx/gl/SharedSurfaceDMABUF.cpp
index 094028a52d3f..4e3e3d1d9c3b 100644
--- a/gfx/gl/SharedSurfaceDMABUF.cpp
+++ b/gfx/gl/SharedSurfaceDMABUF.cpp
@@ -46,6 +46,8 @@ SharedSurface_DMABUF::~SharedSurface_DMABUF() {
 
 void SharedSurface_DMABUF::ProducerReleaseImpl() { mSurface->FenceSet(); }
 
+void SharedSurface_DMABUF::WaitForBufferOwnership() { mSurface->FenceWait(); }
+
 Maybe<layers::SurfaceDescriptor> SharedSurface_DMABUF::ToSurfaceDescriptor() {
   layers::SurfaceDescriptor desc;
   if (!mSurface->Serialize(desc)) return {};
diff --git a/gfx/gl/SharedSurfaceDMABUF.h b/gfx/gl/SharedSurfaceDMABUF.h
index 89baa3d9cf1d..29eae088f0f3 100644
--- a/gfx/gl/SharedSurfaceDMABUF.h
+++ b/gfx/gl/SharedSurfaceDMABUF.h
@@ -43,6 +43,8 @@ class SharedSurface_DMABUF final : public SharedSurface {
   virtual void ProducerReadReleaseImpl() override {}
 
   Maybe<layers::SurfaceDescriptor> ToSurfaceDescriptor() override;
+
+  void WaitForBufferOwnership() override;
 };
 
 class SurfaceFactory_DMABUF : public SurfaceFactory {