22 lines
956 B
Diff
22 lines
956 B
Diff
diff -up firefox-69.0.1/widget/gtk/WindowSurfaceWayland.cpp.old firefox-69.0.1/widget/gtk/WindowSurfaceWayland.cpp
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--- firefox-69.0.1/widget/gtk/WindowSurfaceWayland.cpp.old 2019-09-19 15:05:13.586437024 +0200
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+++ firefox-69.0.1/widget/gtk/WindowSurfaceWayland.cpp 2019-09-19 15:09:39.649079248 +0200
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@@ -836,8 +836,15 @@ already_AddRefed<gfx::DrawTarget> Window
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mBufferScreenRect = lockedScreenRect;
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}
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- mDrawToWaylandBufferDirectly =
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- (windowRedraw || mRenderingCacheMode != CACHE_ALL);
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+ if (mRenderingCacheMode == CACHE_ALL) {
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+ mDrawToWaylandBufferDirectly = windowRedraw;
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+ } else if (mRenderingCacheMode == CACHE_MISSING) {
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+ mDrawToWaylandBufferDirectly = windowRedraw ||
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+ ((lockSize.width*3 > lockedScreenRect.width &&
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+ lockSize.height*3 > lockedScreenRect.height));
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+ } else {
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+ mDrawToWaylandBufferDirectly = true;
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+ }
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if (mDrawToWaylandBufferDirectly) {
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LOGWAYLAND((" Direct drawing\n"));
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