69 lines
3.6 KiB
Diff
69 lines
3.6 KiB
Diff
diff -up firefox-67.0/widget/gtk/WindowSurfaceWayland.cpp.old firefox-67.0/widget/gtk/WindowSurfaceWayland.cpp
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--- firefox-67.0/widget/gtk/WindowSurfaceWayland.cpp.old 2019-05-23 09:57:11.794580879 +0200
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+++ firefox-67.0/widget/gtk/WindowSurfaceWayland.cpp 2019-05-23 10:05:15.505606976 +0200
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@@ -416,7 +416,7 @@ WindowSurfaceWayland::~WindowSurfaceWayl
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}
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WindowBackBuffer* WindowSurfaceWayland::GetWaylandBufferToDraw(int aWidth,
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- int aHeight) {
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+ int aHeight, bool aFullScreenUpdate) {
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if (!mWaylandBuffer) {
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LOGWAYLAND(("%s [%p] Create [%d x %d]\n", __PRETTY_FUNCTION__, (void*)this,
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aWidth, aHeight));
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@@ -473,8 +473,10 @@ WindowBackBuffer* WindowSurfaceWayland::
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(void*)this, aWidth, aHeight));
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// Former front buffer has the same size as a requested one.
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// Gecko may expect a content already drawn on screen so copy
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- // existing data to the new buffer.
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- mWaylandBuffer->SetImageDataFromBuffer(lastWaylandBuffer);
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+ // existing data to the new buffer if we don't do fullscreen redraw.
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+ if (!aFullScreenUpdate) {
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+ mWaylandBuffer->SetImageDataFromBuffer(lastWaylandBuffer);
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+ }
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// When buffer switches we need to damage whole screen
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// (https://bugzilla.redhat.com/show_bug.cgi?id=1418260)
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mWaylandBufferFullScreenDamage = true;
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@@ -491,8 +493,9 @@ WindowBackBuffer* WindowSurfaceWayland::
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}
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already_AddRefed<gfx::DrawTarget> WindowSurfaceWayland::LockWaylandBuffer(
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- int aWidth, int aHeight, bool aClearBuffer) {
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- WindowBackBuffer* buffer = GetWaylandBufferToDraw(aWidth, aHeight);
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+ int aWidth, int aHeight, bool aClearBuffer, bool aFullScreenUpdate) {
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+ WindowBackBuffer* buffer = GetWaylandBufferToDraw(aWidth, aHeight,
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+ aFullScreenUpdate);
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if (!buffer) {
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NS_WARNING(
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"WindowSurfaceWayland::LockWaylandBuffer(): No buffer available");
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@@ -557,7 +560,7 @@ already_AddRefed<gfx::DrawTarget> Window
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if (mDrawToWaylandBufferDirectly) {
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RefPtr<gfx::DrawTarget> dt =
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LockWaylandBuffer(screenRect.width, screenRect.height,
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- mWindow->WaylandSurfaceNeedsClear());
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+ mWindow->WaylandSurfaceNeedsClear(), true);
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if (dt) {
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// When we have a request to update whole screen at once
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// (surface was created, resized or changed somehow)
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@@ -590,7 +593,8 @@ bool WindowSurfaceWayland::CommitImageSu
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}
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RefPtr<gfx::DrawTarget> dt = LockWaylandBuffer(
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- screenRect.width, screenRect.height, mWindow->WaylandSurfaceNeedsClear());
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+ screenRect.width, screenRect.height, mWindow->WaylandSurfaceNeedsClear(),
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+ false);
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RefPtr<gfx::SourceSurface> surf =
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gfx::Factory::CreateSourceSurfaceForCairoSurface(
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mImageSurface->CairoSurface(), mImageSurface->GetSize(),
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diff -up firefox-67.0/widget/gtk/WindowSurfaceWayland.h.old firefox-67.0/widget/gtk/WindowSurfaceWayland.h
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--- firefox-67.0/widget/gtk/WindowSurfaceWayland.h.old 2019-05-23 09:57:16.208572833 +0200
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+++ firefox-67.0/widget/gtk/WindowSurfaceWayland.h 2019-05-23 09:58:34.497430120 +0200
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@@ -96,7 +96,7 @@ class WindowSurfaceWayland : public Wind
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WindowBackBuffer* GetWaylandBufferToDraw(int aWidth, int aHeight);
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already_AddRefed<gfx::DrawTarget> LockWaylandBuffer(int aWidth, int aHeight,
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- bool aClearBuffer);
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+ bool aClearBuffer, bool aFullScreenUpdate);
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already_AddRefed<gfx::DrawTarget> LockImageSurface(
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const gfx::IntSize& aLockSize);
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bool CommitImageSurfaceToWaylandBuffer(const LayoutDeviceIntRegion& aRegion);
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