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-rw-r--r--mozilla-1577024.patch85
1 files changed, 85 insertions, 0 deletions
diff --git a/mozilla-1577024.patch b/mozilla-1577024.patch
new file mode 100644
index 0000000..c7789f1
--- /dev/null
+++ b/mozilla-1577024.patch
@@ -0,0 +1,85 @@
+diff -up firefox-69.0/widget/gtk/nsWaylandDisplay.cpp.mozilla-1577024 firefox-69.0/widget/gtk/nsWaylandDisplay.cpp
+--- firefox-69.0/widget/gtk/nsWaylandDisplay.cpp.mozilla-1577024 2019-09-17 21:09:15.817764591 +0200
++++ firefox-69.0/widget/gtk/nsWaylandDisplay.cpp 2019-09-17 21:09:15.822764568 +0200
+@@ -13,10 +13,15 @@ namespace widget {
+ #define GBMLIB_NAME "libgbm.so.1"
+ #define DRMLIB_NAME "libdrm.so.2"
+
++#define DMABUF_PREF "widget.wayland_dmabuf_backend.enabled"
++// See WindowSurfaceWayland::RenderingCacheMode for details.
++#define CACHE_MODE_PREF "widget.wayland_cache_mode"
++
+ bool nsWaylandDisplay::mIsDMABufEnabled = false;
+ // -1 mean the pref was not loaded yet
+ int nsWaylandDisplay::mIsDMABufPrefState = -1;
+ bool nsWaylandDisplay::mIsDMABufConfigured = false;
++int nsWaylandDisplay::mRenderingCacheModePref = -1;
+
+ wl_display* WaylandDisplayGetWLDisplay(GdkDisplay* aGdkDisplay) {
+ if (!aGdkDisplay) {
+@@ -373,14 +378,15 @@ nsWaylandDisplay::nsWaylandDisplay(wl_di
+ wl_registry_add_listener(mRegistry, &registry_listener, this);
+
+ if (NS_IsMainThread()) {
+- // We can't load the preference from compositor/render thread,
+- // only from main one. So we can't call it directly from
+- // nsWaylandDisplay::IsDMABufEnabled() as it can be called from various
+- // threads.
++ // We can't load the preference from compositor/render thread
++ // so load all Wayland prefs here.
+ if (mIsDMABufPrefState == -1) {
+- mIsDMABufPrefState =
+- Preferences::GetBool("widget.wayland_dmabuf_backend.enabled", false);
++ mIsDMABufPrefState = Preferences::GetBool(DMABUF_PREF, false);
++ }
++ if (mRenderingCacheModePref == -1) {
++ mRenderingCacheModePref = Preferences::GetInt(CACHE_MODE_PREF, 0);
+ }
++
+ // Use default event queue in main thread operated by Gtk+.
+ mEventQueue = nullptr;
+ wl_display_roundtrip(mDisplay);
+diff -up firefox-69.0/widget/gtk/nsWaylandDisplay.h.mozilla-1577024 firefox-69.0/widget/gtk/nsWaylandDisplay.h
+--- firefox-69.0/widget/gtk/nsWaylandDisplay.h.mozilla-1577024 2019-09-17 21:09:15.818764586 +0200
++++ firefox-69.0/widget/gtk/nsWaylandDisplay.h 2019-09-17 21:09:15.822764568 +0200
+@@ -83,6 +83,9 @@ class nsWaylandDisplay {
+ uint32_t mModifierLo);
+ static bool IsDMABufEnabled();
+
++ // See WindowSurfaceWayland::CacheMode for details.
++ int GetRenderingCacheModePref() { return mRenderingCacheModePref; };
++
+ private:
+ bool ConfigureGbm();
+
+@@ -108,6 +111,7 @@ class nsWaylandDisplay {
+ static bool mIsDMABufEnabled;
+ static int mIsDMABufPrefState;
+ static bool mIsDMABufConfigured;
++ static int mRenderingCacheModePref;
+ };
+
+ void WaylandDispatchDisplays();
+diff -up firefox-69.0/widget/gtk/WindowSurfaceWayland.cpp.mozilla-1577024 firefox-69.0/widget/gtk/WindowSurfaceWayland.cpp
+--- firefox-69.0/widget/gtk/WindowSurfaceWayland.cpp.mozilla-1577024 2019-09-17 21:09:15.820764577 +0200
++++ firefox-69.0/widget/gtk/WindowSurfaceWayland.cpp 2019-09-17 21:09:15.822764568 +0200
+@@ -192,7 +192,7 @@ It owns wl_buffer object, owns WaylandDM
+ (which provides the DMA Buffer) and ties them together.
+
+ WindowBackBufferDMABuf backend is used only when WaylandDMABufSurface is
+-available and gfx.wayland_dmabuf_backend.enabled preference is set.
++available and widget.wayland_dmabuf_backend.enabled preference is set.
+
+ */
+
+diff -up firefox-69.0/modules/libpref/init/all.js.old firefox-69.0/modules/libpref/init/all.js
+--- firefox-69.0/modules/libpref/init/all.js.old 2019-09-17 21:14:06.794677172 +0200
++++ firefox-69.0/modules/libpref/init/all.js 2019-09-17 21:14:33.030571836 +0200
+@@ -4807,6 +4807,7 @@ pref("widget.content.allow-gtk-dark-them
+ #endif
+ #ifdef MOZ_WAYLAND
+ pref("widget.wayland_dmabuf_backend.enabled", false);
++pref("widget.wayland_cache_mode", 0);
+ #endif
+
+ pref("widget.window-transforms.disabled", false);
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