From 91bef430bf780b8b3d8011c453b5d906fdee0abc Mon Sep 17 00:00:00 2001
From: Vlad Zahorodnii <vlad.zahorodnii@kde.org>
Date: Tue, 10 Jan 2023 14:58:57 +0200
Subject: [PATCH] backends/virtual: Move glFlush() to endFrame()

It makes more sense in endFrame() rather than present().
---
 src/backends/virtual/virtual_egl_backend.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/backends/virtual/virtual_egl_backend.cpp b/src/backends/virtual/virtual_egl_backend.cpp
index 7c882caaa8..1215f6ff03 100644
--- a/src/backends/virtual/virtual_egl_backend.cpp
+++ b/src/backends/virtual/virtual_egl_backend.cpp
@@ -56,6 +56,7 @@ std::optional<OutputLayerBeginFrameInfo> VirtualEglLayer::beginFrame()
 
 bool VirtualEglLayer::endFrame(const QRegion &renderedRegion, const QRegion &damagedRegion)
 {
+    glFlush(); // flush pending rendering commands.
     return true;
 }
 
@@ -198,8 +199,6 @@ OutputLayer *VirtualEglBackend::primaryLayer(Output *output)
 
 void VirtualEglBackend::present(Output *output)
 {
-    glFlush();
-
     static_cast<VirtualOutput *>(output)->vsyncMonitor()->arm();
 }