diff --git a/HACKING b/HACKING
index fc9e97e94a..e2ea805889 100644
--- a/HACKING
+++ b/HACKING
@@ -168,35 +168,9 @@ there is e.g. an extensive section related to window management).
 Coding style:
 =============
 
-There are these rules for patches for KWin:
+KWin follows the kdelibs coding style. See: http://techbase.kde.org/Policies/Kdelibs_Coding_Style
 
-- the code should be relatively nice and clean. Seriously. Rationale: Any messy code can be hard to comprehend,
-but if the code is in a window manager it will be twice as difficult.
-
-- unless the functionality of the code is obvious, there should be either at least a short comment explaining
-what it does, or it should be obvious from the commit log. If there's a hack needed, if there's a potentional
-problem, if something is just a temporary fix, say so. Comments like "this clever trick is necessary"
-don't count. See above for rationale. I needed more than two years to understand all of KWin,
-and there were parts I never got and had to rewrite in order to fix a problem with them.
-
-- indentation is 4 spaces, not tabs. Rationale: The code looks like a mess if this is not consistent.
-
-- { and } enclosing a block are aligned with the block, neither with the above level nor there is any
-trailing { (i.e. { and } are indented in the same column like the code they surround). See above for rationale.
-If this feel weird or whatever, put them wherever you want first and when the changes are done, check
-"svn diff" and fix it. If I can handle about half a dozen different formatting styles when working
-on various parts of KDE, this shouldn't be that much work for you (and yes, I've even done
-the "fix-before-submit" thing).
-
-- there is not space before (, i.e. it's "foo(", not "foo (". Rationale: This makes it simpler to grep for functions.
-
-- a null pointer is NULL, not a zero. Not that I really insist on this one, but the only reason for using 0
-is being way too lazy to type. Rationale: NULL says it's a pointer, and with many compilers it actually is a pointer,
-making it possible to detect some mistakes.
-
-That's all. Bonus points if you try to follow the existing coding style in general, but I don't think
-I really care about the rest, as long as these rules are followed. If I find out I care about more,
-I'll add them here.
+The source repository was reformatted with git commit 4fd08556a1702462335f4f1307da663c2c54b2c2
 
 
 Branches:
diff --git a/effects/invert/invert.desktop b/effects/invert/invert.desktop
index 3189bf4430..5344ae22c7 100644
--- a/effects/invert/invert.desktop
+++ b/effects/invert/invert.desktop
@@ -125,7 +125,7 @@ Comment[nn]=Snu fargane på skrivebordet og vindauge
 Comment[pa]=ਡੈਸਕਟਾਪ ਅਤੇ ਵਿੰਡੋ ਦੇ ਰੰਗ ਬਦਲੋ
 Comment[pl]=Odwrócenie kolorów pulpitu i okien
 Comment[pt]=Inverte a cor do ecrã e das janelas
-Comment[pt_BR]=Inverte as cores da área de trabalho e das janelas
+Comment[pt_BR]=Inverte as cores das janelas e da área de trabalho
 Comment[ro]=Inversează culoarea biroului și a ferestrelor
 Comment[ru]=Инверсия цвета рабочего стола и окон
 Comment[si]=වැඩතල හා කවුළු වල වර්‍ණ යටිකුරු කරන්න
diff --git a/effects/login/login.desktop b/effects/login/login.desktop
index 6d08e38f49..ff9b981859 100644
--- a/effects/login/login.desktop
+++ b/effects/login/login.desktop
@@ -126,7 +126,7 @@ Comment[nn]=Ton inn skrivebordet ved innlogging
 Comment[pa]=ਜਦੋਂ ਲਾਗਇਨ ਕਰਨਾ ਹੋਵੇ ਤਾਂ ਹੌਲੀ ਹੌਲੀ ਡੈਸਕਟਾਪ ਨੂੰ ਫਿੱਕਾ ਕਰੋ
 Comment[pl]=Płynne rozjaśnienie do pulpitu podczas logowania
 Comment[pt]=Desvanecer suavemente para o ecrã ao ligar-se
-Comment[pt_BR]=Suaviza o desaparecimento da área de trabalho ao fazer login
+Comment[pt_BR]=Suaviza o desaparecimento da área de trabalho ao fazer a autenticação
 Comment[ro]=Estompează lin biroul la autentificare
 Comment[ru]=Плавное проявление рабочего стола при входе в систему
 Comment[si]=පිවිසීමේදී වැඩතලයට සුමුදු අවපැහැකිරීමක් ලබාදෙන්න
diff --git a/effects/logout/logout.desktop b/effects/logout/logout.desktop
index 9c3cfd7308..198adc72c6 100644
--- a/effects/logout/logout.desktop
+++ b/effects/logout/logout.desktop
@@ -126,7 +126,7 @@ Comment[nn]=Ton ut skrivebordet ved utlogging
 Comment[pa]=ਜਦੋਂ ਲਾਗ-ਆਉਟ ਡਾਈਲਾਗ ਵੇਖਾਉਣਾ ਹੋਵੇ ਤਾਂ ਡੈਸਕਟਾਪ ਨੂੰ ਡਿ-ਸੈਚੂਰੇਟ ਕਰੋ
 Comment[pl]=Zmniejszenie nasycenia kolorów podczas pokazywania okna wylogowania
 Comment[pt]=Reduzir a saturação do ecrã ao mostrar a janela de fim de sessão
-Comment[pt_BR]=Reduz a saturação da área de trabalho ao mostrar o diálogo de logout
+Comment[pt_BR]=Reduz a saturação da área de trabalho ao mostrar o diálogo de desligamento
 Comment[ro]=Desaturează biroul la afișarea dialogului de ieșire
 Comment[ru]=Плавное обесцвечивание экрана при выходе из сеанса
 Comment[si]=පිටවීමෙ සංවාදය පෙන්වන විට වැඩතලය අසංතෘප්ත කරන්න
diff --git a/effects/taskbarthumbnail/taskbarthumbnail.desktop b/effects/taskbarthumbnail/taskbarthumbnail.desktop
index e443586e17..02c16af57b 100644
--- a/effects/taskbarthumbnail/taskbarthumbnail.desktop
+++ b/effects/taskbarthumbnail/taskbarthumbnail.desktop
@@ -120,7 +120,7 @@ Comment[nn]=Vis miniatyrbilete av vindauge når peikaren er over ikona på oppg
 Comment[pa]=ਵਿੰਡੋ ਥੰਮਨੇਲ ਵੇਖੋ, ਜਦੋਂ ਕਿ ਹੋਵਰਿੰਗ ਟਾਸਕਬਾਰ ਐਂਟਰੀ ਉੱਤੇ ਹੋਵੇ।
 Comment[pl]=Pokazuje miniaturki okien, kiedy kursor znajduje się na ich pozycji w pasku zadań
 Comment[pt]=Mostrar as miniaturas das janelas ao passar sobre os elementos da barra de tarefas
-Comment[pt_BR]=Mostra miniaturas das janelas quando o cursor passar sobre os itens da barra de tarefas
+Comment[pt_BR]=Mostra miniaturas das janelas quando o ponteiro do mouse passar sobre os itens da barra de tarefas
 Comment[ro]=Afișează miniaturile ferestrelor cînd cursorul planează deasupra înregistrărilor din bara de procese
 Comment[ru]=Показывать миниатюру окна при наведении мышью на элемент панели задач
 Comment[si]=ක්‍රියා තීරු ඇතුළත්කිරීම් වලට ඉහළින් හැසිරෙන විට කවුළු කුඩා රූ පෙන්වන්න
diff --git a/kwinbindings.cpp b/kwinbindings.cpp
index fd23915a16..0a2c1fc290 100644
--- a/kwinbindings.cpp
+++ b/kwinbindings.cpp
@@ -122,6 +122,14 @@ DEF2("Window Quick Tile Left", I18N_NOOP("Quick Tile Window to the Left"),
      0, slotWindowQuickTileLeft());
 DEF2("Window Quick Tile Right", I18N_NOOP("Quick Tile Window to the Right"),
      0, slotWindowQuickTileRight());
+DEF2("Window Quick Tile Top Left", I18N_NOOP("Quick Tile Window to the Top Left"),
+     0, slotWindowQuickTileTopLeft());
+DEF2("Window Quick Tile Bottom Left", I18N_NOOP("Quick Tile Window to the Bottom Left"),
+     0, slotWindowQuickTileBottomLeft());
+DEF2("Window Quick Tile Top Right", I18N_NOOP("Quick Tile Window to the Top Right"),
+     0, slotWindowQuickTileTopRight());
+DEF2("Window Quick Tile Bottom Right", I18N_NOOP("Quick Tile Window to the Bottom Right"),
+     0, slotWindowQuickTileBottomRight());
 DEF2("Switch Window Up", I18N_NOOP("Switch to Window Above"),
      Qt::META + Qt::ALT + Qt::Key_Up, slotSwitchWindowUp());
 DEF2("Switch Window Down", I18N_NOOP("Switch to Window Below"),
diff --git a/lib/kwinglutils.cpp b/lib/kwinglutils.cpp
index bc2856b27b..5455623bf7 100644
--- a/lib/kwinglutils.cpp
+++ b/lib/kwinglutils.cpp
@@ -1184,6 +1184,11 @@ GLShader *ShaderManager::loadShaderFromCode(const QByteArray &vertexSource, cons
 
 void ShaderManager::initShaders()
 {
+    // HACK: the generic shaders fail with NVIDIA's blob
+    // temporarily disable them to force kwin on GL 1.x profile
+    if (GLPlatform::instance()->driver() == Driver_NVidia) {
+        return;
+    }
     m_orthoShader = new GLShader(":/resources/scene-vertex.glsl", ":/resources/scene-fragment.glsl");
     if (m_orthoShader->isValid()) {
         pushShader(SimpleShader, true);
diff --git a/placement.cpp b/placement.cpp
index a578803864..0f3d4d3926 100644
--- a/placement.cpp
+++ b/placement.cpp
@@ -700,6 +700,38 @@ void Workspace::slotWindowQuickTileRight()
     active_client->setQuickTileMode(QuickTileRight, true);
 }
 
+void Workspace::slotWindowQuickTileTopLeft()
+{
+    if (!active_client) {
+        return;
+    }
+    active_client->setQuickTileMode(QuickTileTopLeft, true);
+}
+
+void Workspace::slotWindowQuickTileTopRight()
+{
+    if (!active_client) {
+        return;
+    }
+    active_client->setQuickTileMode(QuickTileTopRight, true);
+}
+
+void Workspace::slotWindowQuickTileBottomLeft()
+{
+    if (!active_client) {
+        return;
+    }
+    active_client->setQuickTileMode(QuickTileBottomLeft, true);
+}
+
+void Workspace::slotWindowQuickTileBottomRight()
+{
+    if (!active_client) {
+        return;
+    }
+    active_client->setQuickTileMode(QuickTileBottomRight, true);
+}
+
 int Workspace::packPositionLeft(const Client* cl, int oldx, bool left_edge) const
 {
     int newx = clientArea(MovementArea, cl).left();
diff --git a/workspace.h b/workspace.h
index 34ca651f21..fe97c776c4 100644
--- a/workspace.h
+++ b/workspace.h
@@ -764,6 +764,10 @@ public slots:
     void slotWindowShrinkVertical();
     void slotWindowQuickTileLeft();
     void slotWindowQuickTileRight();
+    void slotWindowQuickTileTopLeft();
+    void slotWindowQuickTileTopRight();
+    void slotWindowQuickTileBottomLeft();
+    void slotWindowQuickTileBottomRight();
 
     void slotWalkThroughDesktops();
     void slotWalkBackThroughDesktops();