From b697fe555bdf7ac7a777b0997353e5151ca995a7 Mon Sep 17 00:00:00 2001
From: Martin Stransky <stransky@redhat.com>
Date: Thu, 19 Sep 2019 15:14:15 +0200
Subject: Updated cache-missing strategy for Wayland image cache.

---
 firefox-wayland-cache-missing.patch | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 firefox-wayland-cache-missing.patch

(limited to 'firefox-wayland-cache-missing.patch')

diff --git a/firefox-wayland-cache-missing.patch b/firefox-wayland-cache-missing.patch
new file mode 100644
index 0000000..8d665b5
--- /dev/null
+++ b/firefox-wayland-cache-missing.patch
@@ -0,0 +1,21 @@
+diff -up firefox-69.0.1/widget/gtk/WindowSurfaceWayland.cpp.old firefox-69.0.1/widget/gtk/WindowSurfaceWayland.cpp
+--- firefox-69.0.1/widget/gtk/WindowSurfaceWayland.cpp.old	2019-09-19 15:05:13.586437024 +0200
++++ firefox-69.0.1/widget/gtk/WindowSurfaceWayland.cpp	2019-09-19 15:09:39.649079248 +0200
+@@ -836,8 +836,15 @@ already_AddRefed<gfx::DrawTarget> Window
+     mBufferScreenRect = lockedScreenRect;
+   }
+ 
+-  mDrawToWaylandBufferDirectly =
+-      (windowRedraw || mRenderingCacheMode != CACHE_ALL);
++  if (mRenderingCacheMode == CACHE_ALL) {
++    mDrawToWaylandBufferDirectly = windowRedraw;
++  } else if (mRenderingCacheMode == CACHE_MISSING) {
++    mDrawToWaylandBufferDirectly = windowRedraw ||
++      ((lockSize.width*3 > lockedScreenRect.width &&
++       lockSize.height*3 > lockedScreenRect.height));
++  } else {
++    mDrawToWaylandBufferDirectly = true;
++  }
+ 
+   if (mDrawToWaylandBufferDirectly) {
+     LOGWAYLAND(("   Direct drawing\n"));
-- 
cgit