firefox/mozilla-1468911.patch

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2019-03-18 10:14:09 +00:00
changeset: 465236:be9a6c98a4a7
tag: tip
user: Martin Stransky <stransky@redhat.com>
date: Mon Mar 18 10:42:48 2019 +0100
summary: tearing
diff --git a/widget/gtk/WindowSurfaceWayland.cpp b/widget/gtk/WindowSurfaceWayland.cpp
--- a/widget/gtk/WindowSurfaceWayland.cpp
+++ b/widget/gtk/WindowSurfaceWayland.cpp
@@ -15,16 +15,32 @@
#include "nsTArray.h"
#include "base/message_loop.h" // for MessageLoop
#include "base/task.h" // for NewRunnableMethod, etc
#include <sys/mman.h>
#include <fcntl.h>
#include <errno.h>
+#undef LOG
+#ifdef MOZ_LOGGING
+
+# include "mozilla/Logging.h"
+# include "nsTArray.h"
+# include "Units.h"
+
+extern mozilla::LazyLogModule gWidgetWaylandLog;
+# define LOGWAYLAND(args) MOZ_LOG(gWidgetWaylandLog, mozilla::LogLevel::Debug, args)
+
+#else
+
+# define LOGWAYLAND(args)
+
+#endif /* MOZ_LOGGING */
+
namespace mozilla {
namespace widget {
/*
Wayland multi-thread rendering scheme
Every rendering thread (main thread, compositor thread) contains its own
nsWaylandDisplay object connected to Wayland compositor (Mutter, Weston, etc.)
@@ -283,23 +299,30 @@ WindowBackBuffer::WindowBackBuffer(nsWay
Create(aWidth, aHeight);
}
WindowBackBuffer::~WindowBackBuffer() { Release(); }
bool WindowBackBuffer::Resize(int aWidth, int aHeight) {
if (aWidth == mWidth && aHeight == mHeight) return true;
+ LOGWAYLAND(("WindowBackBuffer::Resize [%p] %d %d\n",
+ (void*)this, aWidth, aHeight));
+
Release();
Create(aWidth, aHeight);
+ Clear();
return (mWaylandBuffer != nullptr);
}
void WindowBackBuffer::Attach(wl_surface* aSurface) {
+ LOGWAYLAND(("WindowBackBuffer::Attach [%p] wl_surface %p\n",
+ (void*)this, (void *)aSurface));
+
wl_surface_attach(aSurface, mWaylandBuffer, 0, 0);
wl_surface_commit(aSurface);
wl_display_flush(mWaylandDisplay->GetDisplay());
mAttached = true;
}
void WindowBackBuffer::Detach() { mAttached = false; }
@@ -340,17 +363,18 @@ WindowSurfaceWayland::WindowSurfaceWayla
mFrameCallback(nullptr),
mLastCommittedSurface(nullptr),
mDisplayThreadMessageLoop(MessageLoop::current()),
mDelayedCommitHandle(nullptr),
mDrawToWaylandBufferDirectly(true),
mPendingCommit(false),
mWaylandBufferFullScreenDamage(false),
mIsMainThread(NS_IsMainThread()),
- mNeedScaleFactorUpdate(true) {
+ mNeedScaleFactorUpdate(true),
+ mNeedFullScreenUpdate(true) {
for (int i = 0; i < BACK_BUFFER_NUM; i++) mBackupBuffer[i] = nullptr;
}
WindowSurfaceWayland::~WindowSurfaceWayland() {
if (mPendingCommit) {
NS_WARNING("Deleted WindowSurfaceWayland with a pending commit!");
}
@@ -392,16 +416,17 @@ WindowBackBuffer* WindowSurfaceWayland::
}
if (!mWaylandBuffer->IsAttached()) {
if (!mWaylandBuffer->IsMatchingSize(aWidth, aHeight)) {
mWaylandBuffer->Resize(aWidth, aHeight);
// There's a chance that scale factor has been changed
// when buffer size changed
mNeedScaleFactorUpdate = true;
+ mNeedFullScreenUpdate = true;
}
return mWaylandBuffer;
}
MOZ_ASSERT(!mPendingCommit,
"Uncommitted buffer switch, screen artifacts ahead.");
// Front buffer is used by compositor, select a back buffer
@@ -490,39 +515,36 @@ already_AddRefed<gfx::DrawTarget> Window
B) Lock() is requested for part(s) of screen. We need to provide temporary
surface to draw into and copy result (clipped) to target wl_surface.
*/
already_AddRefed<gfx::DrawTarget> WindowSurfaceWayland::Lock(
const LayoutDeviceIntRegion& aRegion) {
MOZ_ASSERT(mIsMainThread == NS_IsMainThread());
- LayoutDeviceIntRect screenRect = mWindow->GetBounds();
- gfx::IntRect bounds = aRegion.GetBounds().ToUnknownRect();
- gfx::IntSize lockSize(bounds.XMost(), bounds.YMost());
+ LOGWAYLAND(("WindowSurfaceWayland::Lock [%p]\n", (void*)this));
// Are we asked for entire nsWindow to draw?
- mDrawToWaylandBufferDirectly =
- (aRegion.GetNumRects() == 1 && bounds.x == 0 && bounds.y == 0 &&
- lockSize.width == screenRect.width &&
- lockSize.height == screenRect.height);
-
+ mDrawToWaylandBufferDirectly = IsFullScreenDraw(aRegion);
if (mDrawToWaylandBufferDirectly) {
+ LayoutDeviceIntRect screenRect = mWindow->GetBounds();
RefPtr<gfx::DrawTarget> dt =
LockWaylandBuffer(screenRect.width, screenRect.height,
mWindow->WaylandSurfaceNeedsClear());
if (dt) {
return dt.forget();
}
// We don't have any front buffer available. Try indirect drawing
// to mImageSurface which is mirrored to front buffer at commit.
mDrawToWaylandBufferDirectly = false;
}
+ gfx::IntRect bounds = aRegion.GetBounds().ToUnknownRect();
+ gfx::IntSize lockSize(bounds.XMost(), bounds.YMost());
return LockImageSurface(lockSize);
}
bool WindowSurfaceWayland::CommitImageSurfaceToWaylandBuffer(
const LayoutDeviceIntRegion& aRegion) {
MOZ_ASSERT(!mDrawToWaylandBufferDirectly);
LayoutDeviceIntRect screenRect = mWindow->GetBounds();
@@ -611,31 +633,42 @@ void WindowSurfaceWayland::CommitWayland
// If our stored wl_surface does not match the actual one it means the frame
// callback is no longer active and we should release it.
wl_callback_destroy(mFrameCallback);
mFrameCallback = nullptr;
mLastCommittedSurface = nullptr;
}
if (mWaylandBufferFullScreenDamage) {
+ // We know we can safely redraw whole screen.
LayoutDeviceIntRect rect = mWindow->GetBounds();
wl_surface_damage(waylandSurface, 0, 0, rect.width, rect.height);
mWaylandBufferFullScreenDamage = false;
} else {
gint scaleFactor = mWindow->GdkScaleFactor();
for (auto iter = mWaylandBufferDamage.RectIter(); !iter.Done();
iter.Next()) {
const mozilla::LayoutDeviceIntRect& r = iter.Get();
// We need to remove the scale factor because the wl_surface_damage
// also multiplies by current scale factor.
wl_surface_damage(waylandSurface, r.x / scaleFactor, r.y / scaleFactor,
r.width / scaleFactor, r.height / scaleFactor);
}
+
+ // We have to wait untill whole screen is drawn by Gecko, that happens
+ // when window is created or resized.
+ if (mNeedFullScreenUpdate) {
+ if (!IsFullScreenDraw(mWaylandBufferDamage)) {
+ return;
+ }
+ }
}
+ mNeedFullScreenUpdate = false;
+
// Clear all back buffer damage as we're committing
// all requested regions.
mWaylandBufferDamage.SetEmpty();
mFrameCallback = wl_surface_frame(waylandSurface);
wl_callback_add_listener(mFrameCallback, &frame_listener, this);
if (mNeedScaleFactorUpdate || mLastCommittedSurface != waylandSurface) {
@@ -648,16 +681,18 @@ void WindowSurfaceWayland::CommitWayland
// There's no pending commit, all changes are sent to compositor.
mPendingCommit = false;
}
void WindowSurfaceWayland::Commit(const LayoutDeviceIntRegion& aInvalidRegion) {
MOZ_ASSERT(mIsMainThread == NS_IsMainThread());
+ LOGWAYLAND(("WindowSurfaceWayland::Commit [%p]\n", (void*)this));
+
// We have new content at mImageSurface - copy data to mWaylandBuffer first.
if (!mDrawToWaylandBufferDirectly) {
CommitImageSurfaceToWaylandBuffer(aInvalidRegion);
}
// If we're not at fullscreen damage add drawing area from aInvalidRegion
if (!mWaylandBufferFullScreenDamage) {
mWaylandBufferDamage.OrWith(aInvalidRegion);
@@ -690,10 +725,22 @@ void WindowSurfaceWayland::DelayedCommit
free(mDelayedCommitHandle);
mDelayedCommitHandle = nullptr;
if (mPendingCommit) {
CommitWaylandBuffer();
}
}
+bool WindowSurfaceWayland::IsFullScreenDraw(
+ const LayoutDeviceIntRegion& aRegion) {
+ LayoutDeviceIntRect screenRect = mWindow->GetBounds();
+ gfx::IntRect bounds = aRegion.GetBounds().ToUnknownRect();
+ gfx::IntSize lockSize(bounds.XMost(), bounds.YMost());
+
+ // Are we asked to update entire nsWindow?
+ return (bounds.x == 0 && bounds.y == 0 &&
+ lockSize.width == screenRect.width &&
+ lockSize.height == screenRect.height);
+}
+
} // namespace widget
} // namespace mozilla
diff --git a/widget/gtk/WindowSurfaceWayland.h b/widget/gtk/WindowSurfaceWayland.h
--- a/widget/gtk/WindowSurfaceWayland.h
+++ b/widget/gtk/WindowSurfaceWayland.h
@@ -94,16 +94,17 @@ class WindowSurfaceWayland : public Wind
private:
WindowBackBuffer* GetWaylandBufferToDraw(int aWidth, int aHeight);
already_AddRefed<gfx::DrawTarget> LockWaylandBuffer(int aWidth, int aHeight,
bool aClearBuffer);
already_AddRefed<gfx::DrawTarget> LockImageSurface(
const gfx::IntSize& aLockSize);
+ bool IsFullScreenDraw(const LayoutDeviceIntRegion& aRegion);
bool CommitImageSurfaceToWaylandBuffer(const LayoutDeviceIntRegion& aRegion);
void CommitWaylandBuffer();
// TODO: Do we need to hold a reference to nsWindow object?
nsWindow* mWindow;
nsWaylandDisplay* mWaylandDisplay;
WindowBackBuffer* mWaylandBuffer;
LayoutDeviceIntRegion mWaylandBufferDamage;
@@ -113,14 +114,15 @@ class WindowSurfaceWayland : public Wind
wl_surface* mLastCommittedSurface;
MessageLoop* mDisplayThreadMessageLoop;
WindowSurfaceWayland** mDelayedCommitHandle;
bool mDrawToWaylandBufferDirectly;
bool mPendingCommit;
bool mWaylandBufferFullScreenDamage;
bool mIsMainThread;
bool mNeedScaleFactorUpdate;
+ bool mNeedFullScreenUpdate;
};
} // namespace widget
} // namespace mozilla
#endif // _MOZILLA_WIDGET_GTK_WINDOW_SURFACE_WAYLAND_H
diff --git a/widget/gtk/nsAppShell.cpp b/widget/gtk/nsAppShell.cpp
--- a/widget/gtk/nsAppShell.cpp
+++ b/widget/gtk/nsAppShell.cpp
@@ -35,16 +35,17 @@ using mozilla::widget::ScreenHelperGTK;
using mozilla::widget::ScreenManager;
#define NOTIFY_TOKEN 0xFA
LazyLogModule gWidgetLog("Widget");
LazyLogModule gWidgetFocusLog("WidgetFocus");
LazyLogModule gWidgetDragLog("WidgetDrag");
LazyLogModule gWidgetDrawLog("WidgetDraw");
+LazyLogModule gWidgetWaylandLog("WidgetWayland");
static GPollFunc sPollFunc;
// Wrapper function to disable hang monitoring while waiting in poll().
static gint PollWrapper(GPollFD* ufds, guint nfsd, gint timeout_) {
mozilla::BackgroundHangMonitor().NotifyWait();
gint result;
{