Merge remote branch 'qt-official/4.6' into 4.6

33 files changed, 974 insertions, 746 deletions

diff --git a/src/3rdparty/harfbuzz/src/harfbuzz-arabic.c b/src/3rdparty/harfbuzz/src/harfbuzz-arabic.c
index 4d85c19..3837087 100644
--- a/src/3rdparty/harfbuzz/src/harfbuzz-arabic.c
+++ b/src/3rdparty/harfbuzz/src/harfbuzz-arabic.c
@@ -489,6 +489,56 @@ static void getArabicProperties(const unsigned short *chars, int len, HB_ArabicP
     */
 }
 
+static Joining getNkoJoining(unsigned short uc)
+{
+    if (uc < 0x7ca)
+        return JNone;
+    if (uc <= 0x7ea)
+        return JDual;
+    if (uc <= 0x7f3)
+        return JTransparent;
+    if (uc <= 0x7f9)
+        return JNone;
+    if (uc == 0x7fa)
+        return JCausing;
+    return JNone;
+}
+
+static void getNkoProperties(const unsigned short *chars, int len, HB_ArabicProperties *properties)
+{
+    int lastPos = 0;
+    int i = 0;
+
+    Joining j = getNkoJoining(chars[0]);
+    ArabicShape shape = joining_table[XIsolated][j].form2;
+    properties[0].justification = HB_NoJustification;
+
+    for (i = 1; i < len; ++i) {
+        properties[i].justification = (HB_GetUnicodeCharCategory(chars[i]) == HB_Separator_Space) ?
+                                      ArabicSpace : ArabicNone;
+
+        j = getNkoJoining(chars[i]);
+
+        if (j == JTransparent) {
+            properties[i].shape = XIsolated;
+            continue;
+        }
+
+        properties[lastPos].shape = joining_table[shape][j].form1;
+        shape = joining_table[shape][j].form2;
+
+
+        lastPos = i;
+    }
+    properties[lastPos].shape = joining_table[shape][JNone].form1;
+
+
+    /*
+     for (int i = 0; i < len; ++i)
+         qDebug("nko properties(%d): uc=%x shape=%d, justification=%d", i, chars[i], properties[i].shape, properties[i].justification);
+    */
+}
+
 /*
 // The unicode to unicode shaping codec.
 // does only presentation forms B at the moment, but that should be enough for
@@ -1012,7 +1062,10 @@ static HB_Bool arabicSyriacOpenTypeShape(HB_ShaperItem *item, HB_Bool *ot_ok)
     if (f + l + item->item.pos < item->stringLength) {
         ++l;
     }
-    getArabicProperties(uc+f, l, props);
+    if (item->item.script == HB_Script_Nko)
+        getNkoProperties(uc+f, l, props);
+    else
+        getArabicProperties(uc+f, l, props);
 
     for (i = 0; i < (int)item->num_glyphs; i++) {
         apply[i] = 0;
@@ -1051,7 +1104,8 @@ HB_Bool HB_ArabicShape(HB_ShaperItem *item)
     HB_Bool haveGlyphs;
     HB_STACKARRAY(HB_UChar16, shapedChars, item->item.length);
 
-    assert(item->item.script == HB_Script_Arabic || item->item.script == HB_Script_Syriac);
+    assert(item->item.script == HB_Script_Arabic || item->item.script == HB_Script_Syriac
+           || item->item.script == HB_Script_Nko);
 
 #ifndef NO_OPENTYPE
 
@@ -1065,7 +1119,7 @@ HB_Bool HB_ArabicShape(HB_ShaperItem *item)
     }
 #endif
 
-    if (item->item.script == HB_Script_Syriac)
+    if (item->item.script != HB_Script_Arabic)
         return HB_BasicShape(item);
 
     shapedString(item->string, item->stringLength, item->item.pos, item->item.length, shapedChars, &slen,
diff --git a/src/3rdparty/harfbuzz/src/harfbuzz-indic.cpp b/src/3rdparty/harfbuzz/src/harfbuzz-indic.cpp
index 48f4f90..3008fca 100644
--- a/src/3rdparty/harfbuzz/src/harfbuzz-indic.cpp
+++ b/src/3rdparty/harfbuzz/src/harfbuzz-indic.cpp
@@ -566,7 +566,7 @@ static const unsigned char indicPosition[0xe00-0x900] = {
     None, None, None, None,
     None, None, None, None,
 
-    None, None, None, None,
+    Below, None, None, None,
     None, None, None, None,
     None, None, None, None,
     None, None, None, None,
@@ -1252,7 +1252,9 @@ static bool indic_shape_syllable(HB_Bool openType, HB_ShaperItem *item, bool inv
         //   farther than 3 consonants from the end of the syllable.
         // #### replace the HasReph property by testing if the feature exists in the font!
         if (form(*uc) == Consonant || (script == HB_Script_Bengali && form(*uc) == IndependentVowel)) {
-            beginsWithRa = (properties & HasReph) && ((len > 2) && *uc == ra && *(uc+1) == halant);
+            if ((properties & HasReph) && (len > 2) &&
+                (*uc == ra || *uc == 0x9f0) && *(uc+1) == halant)
+                beginsWithRa = true;
 
             if (beginsWithRa && form(*(uc+2)) == Control)
                 beginsWithRa = false;
@@ -1744,6 +1746,10 @@ static int indic_nextSyllableBoundary(HB_Script script, const HB_UChar16 *s, int
                 ++pos;
                 continue;
             }
+            if (script == HB_Script_Malayalam && state == Matra && uc[pos-1] == 0x0d41) {
+                ++pos;
+                continue;
+            }
             goto finish;
         case Nukta:
             if (state == Consonant)
diff --git a/src/3rdparty/harfbuzz/src/harfbuzz-shaper.cpp b/src/3rdparty/harfbuzz/src/harfbuzz-shaper.cpp
index f92bb55..f3ec8e1 100644
--- a/src/3rdparty/harfbuzz/src/harfbuzz-shaper.cpp
+++ b/src/3rdparty/harfbuzz/src/harfbuzz-shaper.cpp
@@ -637,7 +637,9 @@ const HB_ScriptEngine HB_ScriptEngines[] = {
     // Runic
     { HB_BasicShape, 0 },
     // Khmer
-    { HB_KhmerShape, HB_KhmerAttributes }
+    { HB_KhmerShape, HB_KhmerAttributes },
+    // N'Ko
+    { HB_ArabicShape, 0}
 };
 
 void HB_GetCharAttributes(const HB_UChar16 *string, hb_uint32 stringLength,
@@ -877,7 +879,9 @@ static const OTScripts ot_scripts [] = {
     // Runic
     { HB_MAKE_TAG('r', 'u', 'n', 'r'), 0 },
     // Khmer
-    { HB_MAKE_TAG('k', 'h', 'm', 'r'), 1 }
+    { HB_MAKE_TAG('k', 'h', 'm', 'r'), 1 },
+    // N'Ko
+    { HB_MAKE_TAG('n', 'k', 'o', ' '), 1 }
 };
 enum { NumOTScripts = sizeof(ot_scripts)/sizeof(OTScripts) };
 
diff --git a/src/3rdparty/harfbuzz/src/harfbuzz-shaper.h b/src/3rdparty/harfbuzz/src/harfbuzz-shaper.h
index d2357f43..f7c7714 100644
--- a/src/3rdparty/harfbuzz/src/harfbuzz-shaper.h
+++ b/src/3rdparty/harfbuzz/src/harfbuzz-shaper.h
@@ -62,6 +62,7 @@ typedef enum {
         HB_Script_Ogham,
         HB_Script_Runic,
         HB_Script_Khmer,
+        HB_Script_Nko,
         HB_Script_Inherited,
         HB_ScriptCount = HB_Script_Inherited
         /*
@@ -102,7 +103,6 @@ typedef enum {
         HB_Script_Cuneiform = Common,
         HB_Script_Phoenician = Common,
         HB_Script_PhagsPa = Common,
-        HB_Script_Nko = Common
         */
 } HB_Script;
 
diff --git a/src/3rdparty/harfbuzz/tests/shaping/main.cpp b/src/3rdparty/harfbuzz/tests/shaping/main.cpp
index a7ea417..12fa7c4 100644
--- a/src/3rdparty/harfbuzz/tests/shaping/main.cpp
+++ b/src/3rdparty/harfbuzz/tests/shaping/main.cpp
@@ -181,6 +181,7 @@ private slots:
     void sinhala();
 
     void khmer();
+    void nko();
     void linearB();
 };
 
@@ -515,6 +516,12 @@ void tst_QScriptEngine::bengali()
                   { 0x179, 0x151, 0x172, 0x0 } },
                 { { 0x995, 0x9c7, 0x9d7, 0x0 },
                   { 0x179, 0x151, 0x17e, 0x0 } },
+                { { 0x9b0, 0x9cd, 0x9ad, 0x0 },
+                  { 0x168, 0x276, 0x0 } },
+                { { 0x9f0, 0x9cd, 0x9ad, 0x0 },
+                  { 0x168, 0x276, 0x0 } },
+                { { 0x9f1, 0x9cd, 0x9ad, 0x0 },
+                  { 0x191, 0x17d, 0x168, 0x0 } },
 
 		{ {0}, {0} }
 	    };
@@ -652,6 +659,12 @@ void tst_QScriptEngine::bengali()
                   { 0x01fe, 0x0 } },
 		{ { 0x09b0, 0x09cd, 0x09a8, 0x09cd, 0x200d, 0x0 },
                   { 0x10b, 0x167, 0x0 } },
+                { { 0x9b0, 0x9cd, 0x9ad, 0x0 },
+                  { 0xa1, 0x167, 0x0 } },
+                { { 0x9f0, 0x9cd, 0x9ad, 0x0 },
+                  { 0xa1, 0x167, 0x0 } },
+                { { 0x9f1, 0x9cd, 0x9ad, 0x0 },
+                  { 0x11c, 0xa1, 0x0 } },
 
 		{ {0}, {0} }
 	    };
@@ -967,6 +980,8 @@ void tst_QScriptEngine::malayalam()
                   { 0x5e, 0x34, 0x65, 0x0 } },
                 { { 0xd15, 0xd57, 0x0 },
                   { 0x34, 0x65, 0x0 } },
+                { { 0xd1f, 0xd4d, 0xd1f, 0xd41, 0xd4d, 0x0 },
+                  { 0x69, 0x5b, 0x64, 0x0 } },
 
 		{ {0}, {0} }
 	    };
@@ -1061,6 +1076,40 @@ void tst_QScriptEngine::khmer()
     }
 }
 
+void tst_QScriptEngine::nko()
+{
+    {
+        FT_Face face = loadFace("DejaVuSans.ttf");
+        if (face) {
+	    const ShapeTable shape_table [] = {
+                { { 0x7ca, 0x0 },
+                  { 0x5c1, 0x0 } },
+                { { 0x7ca, 0x7ca, 0x0 },
+                  { 0x14db, 0x14d9, 0x0 } },
+                { { 0x7ca, 0x7fa, 0x7ca, 0x0 },
+                  { 0x14db, 0x5ec, 0x14d9, 0x0 } },
+                { { 0x7ca, 0x7f3, 0x7ca, 0x0 },
+                  { 0x14db, 0x5e7, 0x14d9, 0x0 } },
+                { { 0x7ca, 0x7f3, 0x7fa, 0x7ca, 0x0 },
+                  { 0x14db, 0x5e7, 0x5ec, 0x14d9, 0x0 } },
+                { {0}, {0} }
+	    };
+
+
+	    const ShapeTable *s = shape_table;
+	    while (s->unicode[0]) {
+                QVERIFY( shaping(face, s, HB_Script_Nko) );
+		++s;
+	    }
+
+            FT_Done_Face(face);
+	} else {
+	    QSKIP("couln't find DejaVuSans.ttf", SkipAll);
+	}
+    }
+}
+
+
 void tst_QScriptEngine::linearB()
 {
     {
diff --git a/src/corelib/kernel/qeventdispatcher_win.cpp b/src/corelib/kernel/qeventdispatcher_win.cpp
index ccf5b96..29b7568 100644
--- a/src/corelib/kernel/qeventdispatcher_win.cpp
+++ b/src/corelib/kernel/qeventdispatcher_win.cpp
@@ -470,7 +470,7 @@ LRESULT CALLBACK qt_internal_proc(HWND hwnd, UINT message, WPARAM wp, LPARAM lp)
         }
         return 0;
     } else if (message == WM_TIMER) {    
-        if (wp == ~0u) {
+        if (wp == ~1u) {
             KillTimer(d->internalHwnd, wp);
             int localSerialNumber = d->serialNumber;
             (void) d->wakeUps.fetchAndStoreRelease(0);
@@ -488,7 +488,7 @@ LRESULT CALLBACK qt_internal_proc(HWND hwnd, UINT message, WPARAM wp, LPARAM lp)
         if (GetQueueStatus(QS_INPUT | QS_RAWINPUT | QS_TIMER) != 0) {
             // delay the next pass of sendPostedEvents() until we get the special
             // WM_TIMER, which allows all pending Windows messages to be processed
-            SetTimer(d->internalHwnd, ~0u, 0, 0);
+            SetTimer(d->internalHwnd, ~1u, 0, 0);
         } else {
             // nothing pending in the queue, let sendPostedEvents go through
             d->wakeUps.fetchAndStoreRelease(0);
diff --git a/src/corelib/statemachine/qstatemachine.cpp b/src/corelib/statemachine/qstatemachine.cpp
index cf951c9..ecf3f9c 100644
--- a/src/corelib/statemachine/qstatemachine.cpp
+++ b/src/corelib/statemachine/qstatemachine.cpp
@@ -1616,9 +1616,8 @@ void QStateMachinePrivate::unregisterEventTransition(QEventTransition *transitio
 }
 
 void QStateMachinePrivate::handleFilteredEvent(QObject *watched, QEvent *event)
-{
-    Q_ASSERT(qobjectEvents.contains(watched));
-    if (qobjectEvents[watched].contains(event->type())) {
+{    
+    if (qobjectEvents.value(watched).contains(event->type())) {
         postInternalEvent(new QStateMachine::WrappedEvent(watched, handler->cloneEvent(event)));
         processEvents(DirectProcessing);
     }
diff --git a/src/corelib/tools/qunicodetables_p.h b/src/corelib/tools/qunicodetables_p.h
index e4041b4..4e9ce4d 100644
--- a/src/corelib/tools/qunicodetables_p.h
+++ b/src/corelib/tools/qunicodetables_p.h
@@ -114,6 +114,7 @@ namespace QUnicodeTables {
         Ogham,
         Runic,
         Khmer,
+        Nko,
         Inherited,
         ScriptCount = Inherited,
         Latin = Common,
@@ -152,8 +153,7 @@ namespace QUnicodeTables {
         Balinese = Common,
         Cuneiform = Common,
         Phoenician = Common,
-        PhagsPa = Common,
-        Nko = Common
+        PhagsPa = Common
     };
     enum { ScriptSentinel = 32 };
 
diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp
index c452b9a..dfeea76 100644
--- a/src/gui/image/qpixmap.cpp
+++ b/src/gui/image/qpixmap.cpp
@@ -639,13 +639,13 @@ void QPixmap::resize_helper(const QSize &s)
     QPixmap pm(QSize(w, h), data ? data->type : QPixmapData::PixmapType);
     bool uninit = false;
 #if defined(Q_WS_X11)
-    QX11PixmapData *x11Data = data->classId() == QPixmapData::X11Class ? static_cast<QX11PixmapData*>(data.data()) : 0;
+    QX11PixmapData *x11Data = data && data->classId() == QPixmapData::X11Class ? static_cast<QX11PixmapData*>(data.data()) : 0;
     if (x11Data) {
         pm.x11SetScreen(x11Data->xinfo.screen());
         uninit = x11Data->flags & QX11PixmapData::Uninitialized;
     }
 #elif defined(Q_WS_MAC)
-    QMacPixmapData *macData = data->classId() == QPixmapData::MacClass ? static_cast<QMacPixmapData*>(data.data()) : 0;
+    QMacPixmapData *macData = data && data->classId() == QPixmapData::MacClass ? static_cast<QMacPixmapData*>(data.data()) : 0;
     if (macData)
         uninit = macData->uninit;
 #endif
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 386bf71..271b939 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -5171,8 +5171,7 @@ void QWidgetPrivate::render_helper(QPainter *painter, const QPoint &targetOffset
             return;
 
         QPixmap pixmap(size);
-        if (!(renderFlags & QWidget::DrawWindowBackground)
-            || !q->palette().brush(q->backgroundRole()).isOpaque())
+        if (!(renderFlags & QWidget::DrawWindowBackground) || !isOpaque)
             pixmap.fill(Qt::transparent);
         q->render(&pixmap, QPoint(), toBePainted, renderFlags);
 
diff --git a/src/gui/painting/qblendfunctions.cpp b/src/gui/painting/qblendfunctions.cpp
index f8dd424..8737f10 100644
--- a/src/gui/painting/qblendfunctions.cpp
+++ b/src/gui/painting/qblendfunctions.cpp
@@ -223,11 +223,23 @@ void qt_scale_image_16bit(uchar *destPixels, int dbpl,
     int h = ty2 - ty1;
     int w = tx2 - tx1;
 
-    const int dstx = qCeil((tx1 + 0.5 - qMin(targetRect.left(), targetRect.right())) * ix) - 1;
-    const int dsty = qCeil((ty1 + 0.5 - qMin(targetRect.top(), targetRect.bottom())) * iy) - 1;
+    quint32 basex;
+    quint32 srcy;
 
-    quint32 basex = quint32((sx < 0 ? srcRect.right() : srcRect.left()) * 65536) + dstx;
-    quint32 srcy = quint32((sy < 0 ? srcRect.bottom() : srcRect.top()) * 65536) + dsty;
+    if (sx < 0) {
+        int dstx = qFloor((tx1 + 0.5 - targetRect.right()) * ix) + 1;
+        basex = quint32(srcRect.right() * 65536) + dstx;
+    } else {
+        int dstx = qCeil((tx1 + 0.5 - targetRect.left()) * ix) - 1;
+        basex = quint32(srcRect.left() * 65536) + dstx;
+    }
+    if (sy < 0) {
+        int dsty = qFloor((ty1 + 0.5 - targetRect.bottom()) * iy) + 1;
+        srcy = quint32(srcRect.bottom() * 65536) + dsty;
+    } else {
+        int dsty = qCeil((ty1 + 0.5 - targetRect.top()) * iy) - 1;
+        srcy = quint32(srcRect.top() * 65536) + dsty;
+    }
 
     quint16 *dst = ((quint16 *) (destPixels + ty1 * dbpl)) + tx1;
 
@@ -723,11 +735,23 @@ template <typename T> void qt_scale_image_32bit(uchar *destPixels, int dbpl,
     int h = ty2 - ty1;
     int w = tx2 - tx1;
 
-    const int dstx = qCeil((tx1 + 0.5 - qMin(targetRect.left(), targetRect.right())) * ix) - 1;
-    const int dsty = qCeil((ty1 + 0.5 - qMin(targetRect.top(), targetRect.bottom())) * iy) - 1;
+    quint32 basex;
+    quint32 srcy;
 
-    quint32 basex = quint32((sx < 0 ? srcRect.right() : srcRect.left()) * 65536) + dstx;
-    quint32 srcy = quint32((sy < 0 ? srcRect.bottom() : srcRect.top()) * 65536) + dsty;
+    if (sx < 0) {
+        int dstx = qFloor((tx1 + 0.5 - targetRect.right()) * ix) + 1;
+        basex = quint32(srcRect.right() * 65536) + dstx;
+    } else {
+        int dstx = qCeil((tx1 + 0.5 - targetRect.left()) * ix) - 1;
+        basex = quint32(srcRect.left() * 65536) + dstx;
+    }
+    if (sy < 0) {
+        int dsty = qFloor((ty1 + 0.5 - targetRect.bottom()) * iy) + 1;
+        srcy = quint32(srcRect.bottom() * 65536) + dsty;
+    } else {
+        int dsty = qCeil((ty1 + 0.5 - targetRect.top()) * iy) - 1;
+        srcy = quint32(srcRect.top() * 65536) + dsty;
+    }
 
     quint32 *dst = ((quint32 *) (destPixels + ty1 * dbpl)) + tx1;
 
diff --git a/src/gui/painting/qbrush.cpp b/src/gui/painting/qbrush.cpp
index cbfbba6..6f5d892 100644
--- a/src/gui/painting/qbrush.cpp
+++ b/src/gui/painting/qbrush.cpp
@@ -970,7 +970,29 @@ bool QBrush::operator==(const QBrush &b) const
 QDebug operator<<(QDebug dbg, const QBrush &b)
 {
 #ifndef Q_BROKEN_DEBUG_STREAM
-    dbg.nospace() << "QBrush(" << b.color() << ',' << b.style() << ')';
+    char *BRUSH_STYLES[] = {
+     "NoBrush",
+     "SolidPattern",
+     "Dense1Pattern",
+     "Dense2Pattern",
+     "Dense3Pattern",
+     "Dense4Pattern",
+     "Dense5Pattern",
+     "Dense6Pattern",
+     "Dense7Pattern",
+     "HorPattern",
+     "VerPattern",
+     "CrossPattern",
+     "BDiagPattern",
+     "FDiagPattern",
+     "DiagCrossPattern",
+     "LinearGradientPattern",
+     "RadialGradientPattern",
+     "ConicalGradientPattern",
+     "TexturePattern"
+    };
+
+    dbg.nospace() << "QBrush(" << b.color() << ',' << BRUSH_STYLES[b.style()] << ')';
     return dbg.space();
 #else
     qWarning("This compiler doesn't support streaming QBrush to QDebug");
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp
index 41602a1..4df7f8a 100644
--- a/src/gui/painting/qdrawhelper.cpp
+++ b/src/gui/painting/qdrawhelper.cpp
@@ -2386,12 +2386,12 @@ static void QT_FASTCALL comp_func_HardLight(uint *dest, const uint *src, int len
 }
 
 /*
-   if 2.Sca < Sa
-       Dca' = Dca.(Sa - (1 - Dca/Da).(2.Sca - Sa)) + Sca.(1 - Da) + Dca.(1 - Sa)
-   otherwise if 8.Dca <= Da
-       Dca' = Dca.(Sa - (1 - Dca/Da).(2.Sca - Sa).(3 - 8.Dca/Da)) + Sca.(1 - Da) + Dca.(1 - Sa)
-   otherwise
-       Dca' = (Dca.Sa + ((Dca/Da)^(0.5).Da - Dca).(2.Sca - Sa)) + Sca.(1 - Da) + Dca.(1 - Sa)
+    if 2.Sca <= Sa
+        Dca' = Dca.(Sa + (2.Sca - Sa).(1 - Dca/Da)) + Sca.(1 - Da) + Dca.(1 - Sa)
+    otherwise if 2.Sca > Sa and 4.Dca <= Da
+        Dca' = Dca.Sa + Da.(2.Sca - Sa).(4.Dca/Da.(4.Dca/Da + 1).(Dca/Da - 1) + 7.Dca/Da) + Sca.(1 - Da) + Dca.(1 - Sa)
+    otherwise if 2.Sca > Sa and 4.Dca > Da
+        Dca' = Dca.Sa + Da.(2.Sca - Sa).((Dca/Da)^0.5 - Dca/Da) + Sca.(1 - Da) + Dca.(1 - Sa)
 */
 static inline int soft_light_op(int dst, int src, int da, int sa)
 {
@@ -2400,13 +2400,11 @@ static inline int soft_light_op(int dst, int src, int da, int sa)
     const int temp = (src * (255 - da) + dst * (255 - sa)) * 255;
 
     if (src2 < sa)
-        return (dst * ((sa * 255) - (255 - dst_np) * (src2 - sa)) + temp) / 65025;
-    else if (8 * dst <= da)
-        return (dst * ((sa * 255) - ((255 - dst_np) * (src2 - sa) * ((3 * 255) - 8 * dst_np)) / 255) + temp) / 65025;
+        return (dst * (sa * 255 + (src2 - sa) * (255 - dst_np)) + temp) / 65025;
+    else if (4 * dst <= da)
+        return (dst * sa * 255 + da * (src2 - sa) * ((((16 * dst_np - 12 * 255) * dst_np + 3 * 65025) * dst_np) / 65025) + temp) / 65025;
     else {
-        // sqrt is too expensive to do three times per pixel, so skipping it for now
-        // a future possibility is to use a LUT
-        return ((dst * sa * 255) + (int(dst_np) * da - (dst * 255)) * (src2 - sa) + temp) / 65025;
+        return (dst * sa * 255 + da * (src2 - sa) * (int(sqrt(qreal(dst_np * 255))) - dst_np) + temp) / 65025;
     }
 }
 
diff --git a/src/gui/painting/qpaintbuffer.cpp b/src/gui/painting/qpaintbuffer.cpp
index 6b9d77c..b8700c3 100644
--- a/src/gui/painting/qpaintbuffer.cpp
+++ b/src/gui/painting/qpaintbuffer.cpp
@@ -48,7 +48,7 @@
 
 #include <QDebug>
 
-//#define QPAINTBUFFER_DEBUG_DRAW
+// #define QPAINTBUFFER_DEBUG_DRAW
 
 QT_BEGIN_NAMESPACE
 
@@ -247,23 +247,24 @@ void QPaintBuffer::draw(QPainter *painter, int frame) const
 #ifdef QPAINTBUFFER_DEBUG_DRAW
     qDebug() << "QPaintBuffer::draw() --------------------------------";
 
-//     printf("Float buffer:");
-//     for (int i=0; i<d->floats.size(); i++) {
-//         if ((i % 10) == 0) {
-//             printf("\n%4d-%4d: ", i, i+9);
-//         }
-//         printf("%4.2f  ", d->floats[i]);
-//     }
-//     printf("\n");
-
-//     printf("Int Buffer:");
-//     for (int i=0; i<d->ints.size(); i++) {
-//         if ((i % 10) == 0) {
-//             printf("\n%4d-%4d: ", i, i+10);
-//         }
-//         printf("%5d", d->ints[i]);
-//     }
-//     printf("\n");
+    Q_D(const QPaintBuffer);
+    printf("Float buffer:");
+    for (int i=0; i<d->floats.size(); i++) {
+        if ((i % 10) == 0) {
+            printf("\n%4d-%4d: ", i, i+9);
+        }
+        printf("%4.2f  ", d->floats[i]);
+    }
+    printf("\n");
+
+    printf("Int Buffer:");
+    for (int i=0; i<d->ints.size(); i++) {
+        if ((i % 10) == 0) {
+            printf("\n%4d-%4d: ", i, i+10);
+        }
+        printf("%5d", d->ints[i]);
+    }
+    printf("\n");
 #endif
 
     if (painter && !painter->isActive())
@@ -406,16 +407,17 @@ void QPaintBufferEngine::clipEnabledChanged()
 
 void QPaintBufferEngine::penChanged()
 {
-#ifdef QPAINTBUFFER_DEBUG_DRAW
-    qDebug() << "QPaintBufferEngine:" << state()->pen;
-#endif
     const QPen &pen = state()->pen;
 
     if (!buffer->commands.isEmpty()
         && buffer->commands.last().id == QPaintBufferPrivate::Cmd_SetPen) {
+#ifdef QPAINTBUFFER_DEBUG_DRAW
+    qDebug() << "QPaintBufferEngine: penChanged (compressed)" << state()->pen;
+#endif
         buffer->variants[buffer->commands.last().offset] = pen;
         return;
     }
+
     if (buffer->calculateBoundingRect) {
         if (pen.style() == Qt::NoPen) {
             buffer->penWidthAdjustment = 0;
@@ -427,22 +429,28 @@ void QPaintBufferEngine::penChanged()
             buffer->penWidthAdjustment = transformedWidth.x() / 2.0;
         }
     }
+#ifdef QPAINTBUFFER_DEBUG_DRAW
+    qDebug() << "QPaintBufferEngine: penChanged" << state()->pen;
+#endif
     buffer->addCommand(QPaintBufferPrivate::Cmd_SetPen, pen);
 }
 
 void QPaintBufferEngine::brushChanged()
 {
-#ifdef QPAINTBUFFER_DEBUG_DRAW
-    qDebug() << "QPaintBufferEngine:" << state()->brush;
-#endif
     const QBrush &brush = state()->brush;
 
     if (!buffer->commands.isEmpty()
         && buffer->commands.last().id == QPaintBufferPrivate::Cmd_SetBrush) {
+#ifdef QPAINTBUFFER_DEBUG_DRAW
+        qDebug() << "QPaintBufferEngine: brushChanged (compressed)" << state()->brush;
+#endif
         buffer->variants[buffer->commands.last().offset] = brush;
         return;
     }
 
+#ifdef QPAINTBUFFER_DEBUG_DRAW
+    qDebug() << "QPaintBufferEngine: brushChanged" << state()->brush;
+#endif
     buffer->addCommand(QPaintBufferPrivate::Cmd_SetBrush, brush);
 }
 
@@ -488,14 +496,14 @@ void QPaintBufferEngine::transformChanged()
     if (!buffer->commands.isEmpty()
         && buffer->commands.last().id == QPaintBufferPrivate::Cmd_SetTransform) {
 #ifdef QPAINTBUFFER_DEBUG_DRAW
-        qDebug() << "QPaintBufferEngine: compressing " << state()->matrix;
+        qDebug() << "QPaintBufferEngine: transformChanged (compressing) " << state()->matrix;
 #endif
         buffer->variants[buffer->commands.last().offset] = state()->matrix;
         return;
     }
 
 #ifdef QPAINTBUFFER_DEBUG_DRAW
-        qDebug() << "QPaintBufferEngine: " << state()->matrix;
+        qDebug() << "QPaintBufferEngine: transformChanged:" << state()->matrix;
 #endif
     buffer->addCommand(QPaintBufferPrivate::Cmd_SetTransform, state()->matrix);
 }
@@ -514,7 +522,18 @@ void QPaintBufferEngine::draw(const QVectorPath &path)
 #ifdef QPAINTBUFFER_DEBUG_DRAW
     qDebug() << "QPaintBufferEngine: draw vpath:" << path.elementCount();
 #endif
-    buffer->addCommand(QPaintBufferPrivate::Cmd_DrawVectorPath, path);
+
+    bool hasBrush = qbrush_style(state()->brush) != Qt::NoBrush;
+    bool hasPen = qpen_style(state()->pen) != Qt::NoPen
+                  && qbrush_style(qpen_brush(state()->pen)) != Qt::NoBrush;
+
+    if (hasPen || hasBrush)
+        buffer->addCommand(QPaintBufferPrivate::Cmd_DrawVectorPath, path);
+#ifdef QPAINTBUFFER_DEBUG_DRAW
+    else
+        qDebug() << " - no pen or brush active, discarded...\n";
+#endif
+
 //     if (buffer->calculateBoundingRect) {
 //         QRealRect r = path.controlPointRect();
 //         buffer->updateBoundingRect(QRectF(r.x1, r.y1, r.x2 - r.x1, r.y2 - r.y1));
@@ -745,15 +764,15 @@ void QPaintBufferEngine::drawEllipse(const QRect &r)
 
 void QPaintBufferEngine::drawPath(const QPainterPath &path)
 {
-#ifdef QPAINTBUFFER_DEBUG_DRAW
-    qDebug() << "QPaintBufferEngine: drawPath: element count:" << path.elementCount();
-#endif
-    // ### Path -> QVariant
-    // buffer->addCommand(QPaintBufferPrivate::Cmd_DrawPath, QVariant(path));
+// #ifdef QPAINTBUFFER_DEBUG_DRAW
+//     qDebug() << "QPaintBufferEngine: drawPath: element count:" << path.elementCount();
+// #endif
+//     // ### Path -> QVariant
+//     // buffer->addCommand(QPaintBufferPrivate::Cmd_DrawPath, QVariant(path));
     QPaintEngineEx::drawPath(path);
 
-    if (buffer->calculateBoundingRect)
-        buffer->updateBoundingRect(path.boundingRect());
+//     if (buffer->calculateBoundingRect)
+//         buffer->updateBoundingRect(path.boundingRect());
 }
 
 void QPaintBufferEngine::drawPoints(const QPoint *points, int pointCount)
@@ -1424,10 +1443,6 @@ void QPainterReplayer::process(const QPaintBufferCommand &cmd)
         QTextItemInt &ti = (*tiCopy)();
         QString text(ti.text());
 
-#ifdef QPAINTBUFFER_DEBUG_DRAW
-        qDebug() << " -> Cmd_DrawTextItem:" << pos << " " << text << " " << scaleFactor;
-#endif
-
         QFont font(ti.font());
         font.setUnderline(false);
         font.setStrikeOut(false);
@@ -1439,6 +1454,10 @@ void QPainterReplayer::process(const QPaintBufferCommand &cmd)
             justificationWidth = si.width.toReal();
         qreal scaleFactor = font.d->dpi/qreal(qt_defaultDpiY());
 
+#ifdef QPAINTBUFFER_DEBUG_DRAW
+        qDebug() << " -> Cmd_DrawTextItem:" << pos << " " << text << " " << scaleFactor;
+#endif
+
         if (scaleFactor != 1.0) {
             QFont fnt(font);
             QFakeDevice fake;
diff --git a/src/gui/painting/qpaintbuffer_p.h b/src/gui/painting/qpaintbuffer_p.h
index 6a7ac73..adf0564 100644
--- a/src/gui/painting/qpaintbuffer_p.h
+++ b/src/gui/painting/qpaintbuffer_p.h
@@ -66,6 +66,7 @@ class QPaintBufferPlayback;
 
 class Q_GUI_EXPORT QPaintBuffer : public QPaintDevice
 {
+    Q_DECLARE_PRIVATE(QPaintBuffer);
 public:
     QPaintBuffer();
     QPaintBuffer(const QPaintBuffer &other);
@@ -311,7 +312,7 @@ public:
     virtual ~QPainterReplayer() { }
 
     void setupTransform(QPainter *painter);
-    void process(const QPaintBufferCommand &cmd);
+    virtual void process(const QPaintBufferCommand &cmd);
     void draw(const QPaintBuffer &buffer, QPainter *painter, int frame);
 
 protected:
@@ -326,7 +327,7 @@ class Q_GUI_EXPORT QPaintEngineExReplayer : public QPainterReplayer
 public:
     QPaintEngineExReplayer() { }
 
-    void process(const QPaintBufferCommand &cmd);
+    virtual void process(const QPaintBufferCommand &cmd);
 };
 
 class QPaintBufferEnginePrivate;
diff --git a/src/gui/painting/qpaintengineex.cpp b/src/gui/painting/qpaintengineex.cpp
index 9e21182..1fb8aab 100644
--- a/src/gui/painting/qpaintengineex.cpp
+++ b/src/gui/painting/qpaintengineex.cpp
@@ -431,6 +431,10 @@ void QPaintEngineEx::stroke(const QVectorPath &path, const QPen &pen)
 
     // Some engines might decide to optimize for the non-shape hint later on...
     uint flags = QVectorPath::WindingFill;
+
+    if (path.elementCount() > 2)
+        flags |= QVectorPath::NonConvexShapeMask;
+
     if (d->stroker.capStyle() == Qt::RoundCap || d->stroker.joinStyle() == Qt::RoundJoin)
         flags |= QVectorPath::CurvedShapeMask;
 
diff --git a/src/gui/painting/qpainter.cpp b/src/gui/painting/qpainter.cpp
index 09a4563..48629d1 100644
--- a/src/gui/painting/qpainter.cpp
+++ b/src/gui/painting/qpainter.cpp
@@ -3787,27 +3787,14 @@ void QPainter::setPen(const QPen &pen)
     if (d->state->pen == pen)
         return;
 
+    d->state->pen = pen;
+
     if (d->extended) {
-        d->state->pen = pen;
         d->checkEmulation();
         d->extended->penChanged();
         return;
     }
 
-    // Do some checks to see if we are the same pen.
-    Qt::PenStyle currentStyle = d->state->pen.style();
-    if (currentStyle == pen.style() && currentStyle != Qt::CustomDashLine) {
-        if (currentStyle == Qt::NoPen ||
-            (d->state->pen.isSolid() && pen.isSolid()
-             && d->state->pen.color() == pen.color()
-             && d->state->pen.widthF() == pen.widthF()
-             && d->state->pen.capStyle() == pen.capStyle()
-             && d->state->pen.joinStyle() == pen.joinStyle()
-             && d->state->pen.isCosmetic() == pen.isCosmetic()))
-            return;
-    }
-
-    d->state->pen = pen;
     d->state->dirtyFlags |= QPaintEngine::DirtyPen;
 }
 
@@ -3890,14 +3877,6 @@ void QPainter::setBrush(const QBrush &brush)
         return;
     }
 
-    Qt::BrushStyle currentStyle = d->state->brush.style();
-    if (currentStyle == brush.style()) {
-        if (currentStyle == Qt::NoBrush
-            || (currentStyle == Qt::SolidPattern
-                && d->state->brush.color() == brush.color()))
-            return;
-    }
-
     d->state->brush = brush;
     d->state->dirtyFlags |= QPaintEngine::DirtyBrush;
 }
diff --git a/src/gui/painting/qpen.cpp b/src/gui/painting/qpen.cpp
index 41efc80..77aa748 100644
--- a/src/gui/painting/qpen.cpp
+++ b/src/gui/painting/qpen.cpp
@@ -835,16 +835,17 @@ bool QPen::operator==(const QPen &p) const
 {
     QPenData *dd = static_cast<QPenData *>(d);
     QPenData *pdd = static_cast<QPenData *>(p.d);
-    return (p.d == d) || (p.d->style == d->style
-                          && p.d->capStyle == d->capStyle
-                          && p.d->joinStyle == d->joinStyle
-                          && p.d->width == d->width
-                          && pdd->miterLimit == dd->miterLimit
-                          && (d->style != Qt::CustomDashLine
-                              || (qFuzzyCompare(pdd->dashOffset, dd->dashOffset) &&
-                                  pdd->dashPattern == dd->dashPattern))
-                          && p.d->brush == d->brush
-                          && pdd->cosmetic == dd->cosmetic);
+    return (p.d == d)
+        || (p.d->style == d->style
+            && p.d->capStyle == d->capStyle
+            && p.d->joinStyle == d->joinStyle
+            && p.d->width == d->width
+            && pdd->miterLimit == dd->miterLimit
+            && (d->style != Qt::CustomDashLine
+                || (qFuzzyCompare(pdd->dashOffset, dd->dashOffset) &&
+                    pdd->dashPattern == dd->dashPattern))
+            && p.d->brush == d->brush
+            && pdd->cosmetic == dd->cosmetic);
 }
 
 
@@ -983,8 +984,18 @@ QDataStream &operator>>(QDataStream &s, QPen &p)
 QDebug operator<<(QDebug dbg, const QPen &p)
 {
 #ifndef Q_BROKEN_DEBUG_STREAM
+    const char *PEN_STYLES[] = {
+        "NoPen",
+        "SolidLine",
+        "DashLine",
+        "DotLine",
+        "DashDotLine",
+        "DashDotDotLine",
+        "CustomDashLine"
+    };
+
     dbg.nospace() << "QPen(" << p.width() << ',' << p.brush()
-                  << ',' << int(p.style()) << ',' << int(p.capStyle())
+                  << ',' << PEN_STYLES[p.style()] << ',' << int(p.capStyle())
                   << ',' << int(p.joinStyle()) << ',' << p.dashPattern()
                   << ',' << p.dashOffset()
                   << ',' << p.miterLimit() << ')';
diff --git a/src/gui/painting/qtransform.cpp b/src/gui/painting/qtransform.cpp
index 8118450..1bd5842 100644
--- a/src/gui/painting/qtransform.cpp
+++ b/src/gui/painting/qtransform.cpp
@@ -2214,12 +2214,14 @@ bool qt_scaleForTransform(const QTransform &transform, qreal *scale)
 {
     const QTransform::TransformationType type = transform.type();
     if (type <= QTransform::TxTranslate) {
-        *scale = 1;
+        if (scale)
+            *scale = 1;
         return true;
     } else if (type == QTransform::TxScale) {
         const qreal xScale = qAbs(transform.m11());
         const qreal yScale = qAbs(transform.m22());
-        *scale = qMax(xScale, yScale);
+        if (scale)
+            *scale = qMax(xScale, yScale);
         return qFuzzyCompare(xScale, yScale);
     }
 
@@ -2227,7 +2229,8 @@ bool qt_scaleForTransform(const QTransform &transform, qreal *scale)
                          + transform.m21() * transform.m21();
     const qreal yScale = transform.m12() * transform.m12()
                          + transform.m22() * transform.m22();
-    *scale = qSqrt(qMax(xScale, yScale));
+    if (scale)
+        *scale = qSqrt(qMax(xScale, yScale));
     return type == QTransform::TxRotate && qFuzzyCompare(xScale, yScale);
 }
 
diff --git a/src/gui/text/qfontdatabase.cpp b/src/gui/text/qfontdatabase.cpp
index fb8444e..7e93aa0 100644
--- a/src/gui/text/qfontdatabase.cpp
+++ b/src/gui/text/qfontdatabase.cpp
@@ -533,7 +533,13 @@ static int requiredUnicodeBits[QFontDatabase::WritingSystemsCount][2] = {
         // Vietnamese,
     { 0, 127 }, // same as latin1
         // Other,
-    { 126, 127 }
+    { 126, 127 },
+        // Ogham,
+    { 78, 127 },
+        // Runic,
+    { 79, 127 },
+        // Nko,
+    { 14, 127 },
 };
 
 #define SimplifiedChineseCsbBit 18
@@ -873,7 +879,8 @@ static const int scriptForWritingSystem[] = {
     QUnicodeTables::Common, // Braille
     QUnicodeTables::Common, // Symbol
     QUnicodeTables::Ogham,  // Ogham
-    QUnicodeTables::Runic // Runic
+    QUnicodeTables::Runic, // Runic
+    QUnicodeTables::Nko // Nko
 };
 
 
@@ -881,12 +888,12 @@ static const int scriptForWritingSystem[] = {
 static inline bool requiresOpenType(int writingSystem)
 {
     return ((writingSystem >= QFontDatabase::Syriac && writingSystem <= QFontDatabase::Sinhala)
-            || writingSystem == QFontDatabase::Khmer);
+            || writingSystem == QFontDatabase::Khmer || writingSystem == QFontDatabase::Nko);
 }
 static inline bool scriptRequiresOpenType(int script)
 {
     return ((script >= QUnicodeTables::Syriac && script <= QUnicodeTables::Sinhala)
-            || script == QUnicodeTables::Khmer);
+            || script == QUnicodeTables::Khmer || script == QUnicodeTables::Nko);
 }
 #endif
 
@@ -1558,6 +1565,7 @@ QFontDatabase::QFontDatabase()
     \value Other (the same as Symbol)
     \value Ogham
     \value Runic
+    \value Nko
 
     \omitvalue WritingSystemsCount
 */
@@ -2232,6 +2240,9 @@ QString QFontDatabase::writingSystemName(WritingSystem writingSystem)
     case Runic:
         name = QT_TRANSLATE_NOOP("QFontDatabase", "Runic");
         break;
+    case Nko:
+        name = QT_TRANSLATE_NOOP("QFontDatabase", "N'Ko");
+        break;
     default:
         Q_ASSERT_X(false, "QFontDatabase::writingSystemName", "invalid 'writingSystem' parameter");
         break;
@@ -2445,6 +2456,12 @@ QString QFontDatabase::writingSystemSample(WritingSystem writingSystem)
         sample += QChar(0x16a2);
         sample += QChar(0x16a3);
         break;
+    case Nko:
+        sample += QChar(0x7ca);
+        sample += QChar(0x7cb);
+        sample += QChar(0x7cc);
+        sample += QChar(0x7cd);
+        break;
     default:
         break;
     }
diff --git a/src/gui/text/qfontdatabase.h b/src/gui/text/qfontdatabase.h
index e6dcfc9..37b5860 100644
--- a/src/gui/text/qfontdatabase.h
+++ b/src/gui/text/qfontdatabase.h
@@ -108,6 +108,7 @@ public:
 
         Ogham,
         Runic,
+        Nko,
 
         WritingSystemsCount
     };
diff --git a/src/gui/text/qfontdatabase_x11.cpp b/src/gui/text/qfontdatabase_x11.cpp
index f184811..dd575f9 100644
--- a/src/gui/text/qfontdatabase_x11.cpp
+++ b/src/gui/text/qfontdatabase_x11.cpp
@@ -155,187 +155,187 @@ static const char writingSystems_for_xlfd_encoding[sizeof(xlfd_encoding)][QFontD
     { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-2
     { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-3
     { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-4
     { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-9
     { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-10
     { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-13
     { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-14
     { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-15
     { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // hp-roman8
     { 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-5
     { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // *-cp1251
     { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // koi8-ru
     { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // koi8-u
     { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // koi8-r
     { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-7
     { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-8
     { 0, 0, 0, 0, 0, 1, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // gb18030-0
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 1, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // gb18030.2000-0
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 1, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // gbk-0
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 1, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // gb2312.*-0
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 1, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // jisx0201*-0
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 1, 0, 0,
-      0 },
+      0, 0 },
     // jisx0208*-0
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 1, 0, 0,
-      0 },
+      0, 0 },
     // ksc5601*-*
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 1, 0,
-      0 },
+      0, 0 },
     // big5hkscs-0
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 1, 0, 0, 0,
-      0 },
+      0, 0 },
     // hkscs-1
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 1, 0, 0, 0,
-      0 },
+      0, 0 },
     // big5*-*
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 1, 0, 0, 0,
-      0 },
+      0, 0 },
     // tscii-*
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 1, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // tis620*-*
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso8859-11
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // mulelao-1
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // ethiopic-unicode
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      0 },
+      0, 0 },
     // iso10646-1
     { 0, 1, 1, 1, 1, 1, 1, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
       1, 1, 0, 1, 0, 1, 1, 0, 0, 0,
-      0 },
+      0, 0 },
     // unicode-*
     { 0, 1, 1, 1, 1, 1, 1, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
       1, 1, 0, 1, 0, 1, 1, 0, 0, 0,
-      0 },
+      0, 0 },
     // *-symbol
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      1 },
+      1, 0 },
     // *-fontspecific
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      1 },
+      1, 0 },
     // fontspecific-*
     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-      1 }
+      1, 0 }
 
 };
 
@@ -835,7 +835,8 @@ static const char *specialLanguages[] = {
     "ko", // Hangul
     "", // Ogham
     "", // Runic
-    "km" // Khmer
+    "km", // Khmer
+    "" // N'Ko
 };
 enum { SpecialLanguageCount = sizeof(specialLanguages) / sizeof(const char *) };
 
@@ -866,7 +867,8 @@ static const ushort specialChars[] = {
     0, // Hangul
     0x1681, // Ogham
     0x16a0, // Runic
-    0  // Khmer
+    0,  // Khmer
+    0x7ca // N'Ko
 };
 enum { SpecialCharCount = sizeof(specialChars) / sizeof(ushort) };
 
@@ -905,7 +907,8 @@ static const char *languageForWritingSystem[] = {
     "vi",  // Vietnamese
     0, // Symbol
     0, // Ogham
-    0 // Runic
+    0, // Runic
+    0 // N'Ko
 };
 enum { LanguageCount = sizeof(languageForWritingSystem) / sizeof(const char *) };
 
@@ -944,7 +947,8 @@ static const ushort sampleCharForWritingSystem[] = {
     0,  // Vietnamese
     0, // Symbol
     0x1681, // Ogham
-    0x16a0 // Runic
+    0x16a0, // Runic
+    0x7ca // N'Ko
 };
 enum { SampleCharCount = sizeof(sampleCharForWritingSystem) / sizeof(ushort) };
 
@@ -984,7 +988,8 @@ static const char *openType[] = {
     0,  // Vietnamese
     0, // Symbol
     0, // Ogham
-    0 // Runic
+    0, // Runic
+    "nko " // N'Ko
 };
 enum { OpenTypeCount = sizeof(openType) / sizeof(const char *) };
 
@@ -1472,7 +1477,7 @@ void qt_addPatternProps(FcPattern *pattern, int screen, int script, const QFontD
                          !(request.styleStrategy & QFont::NoAntialias));
     }
 
-    if (script != QUnicodeTables::Common) {
+    if (script != QUnicodeTables::Common && *specialLanguages[script] != '\0') {
         Q_ASSERT(script < QUnicodeTables::ScriptCount);
         FcLangSet *ls = FcLangSetCreate();
         FcLangSetAdd(ls, (const FcChar8*)specialLanguages[script]);
@@ -1615,7 +1620,7 @@ static QFontEngine *tryPatternLoad(FcPattern *p, int screen,
                 goto done;
             if (!FcCharSetHasChar(cs, specialChars[script]))
                 goto done;
-        } else {
+        } else if (*specialLanguages[script] != '\0'){
             FcLangSet *langSet = 0;
             if (FcPatternGetLangSet(match, FC_LANG, 0, &langSet) != FcResultMatch)
                 goto done;
diff --git a/src/opengl/gl2paintengineex/qglengineshadermanager.cpp b/src/opengl/gl2paintengineex/qglengineshadermanager.cpp
index 40a6241..8a8f483 100644
--- a/src/opengl/gl2paintengineex/qglengineshadermanager.cpp
+++ b/src/opengl/gl2paintengineex/qglengineshadermanager.cpp
@@ -169,14 +169,14 @@ QGLEngineSharedShaders::QGLEngineSharedShaders(const QGLContext* context)
     source.clear();
     source.append(qShaderSnippets[MainVertexShader]);
     source.append(qShaderSnippets[PositionOnlyVertexShader]);
-    vertexShader = new QGLShader(QGLShader::VertexShader, context, this);
-    vertexShader->compile(source);
+    vertexShader = new QGLShader(QGLShader::Vertex, context, this);
+    vertexShader->compileSourceCode(source);
 
     source.clear();
     source.append(qShaderSnippets[MainFragmentShader]);
     source.append(qShaderSnippets[ShockingPinkSrcFragmentShader]);
-    fragShader = new QGLShader(QGLShader::FragmentShader, context, this);
-    fragShader->compile(source);
+    fragShader = new QGLShader(QGLShader::Fragment, context, this);
+    fragShader->compileSourceCode(source);
 
     simpleShaderProg = new QGLShaderProgram(context, this);
     simpleShaderProg->addShader(vertexShader);
@@ -192,14 +192,14 @@ QGLEngineSharedShaders::QGLEngineSharedShaders(const QGLContext* context)
     source.clear();
     source.append(qShaderSnippets[MainWithTexCoordsVertexShader]);
     source.append(qShaderSnippets[UntransformedPositionVertexShader]);
-    vertexShader = new QGLShader(QGLShader::VertexShader, context, this);
-    vertexShader->compile(source);
+    vertexShader = new QGLShader(QGLShader::Vertex, context, this);
+    vertexShader->compileSourceCode(source);
 
     source.clear();
     source.append(qShaderSnippets[MainFragmentShader]);
     source.append(qShaderSnippets[ImageSrcFragmentShader]);
-    fragShader = new QGLShader(QGLShader::FragmentShader, context, this);
-    fragShader->compile(source);
+    fragShader = new QGLShader(QGLShader::Fragment, context, this);
+    fragShader->compileSourceCode(source);
 
     blitShaderProg = new QGLShaderProgram(context, this);
     blitShaderProg->addShader(vertexShader);
@@ -243,14 +243,14 @@ QGLEngineShaderProg *QGLEngineSharedShaders::findProgramInCache(const QGLEngineS
         source.append(qShaderSnippets[prog.compositionFragShader]);
     if (prog.maskFragShader)
         source.append(qShaderSnippets[prog.maskFragShader]);
-    QGLShader* fragShader = new QGLShader(QGLShader::FragmentShader, ctxGuard.context(), this);
-    fragShader->compile(source);
+    QGLShader* fragShader = new QGLShader(QGLShader::Fragment, ctxGuard.context(), this);
+    fragShader->compileSourceCode(source);
 
     source.clear();
     source.append(qShaderSnippets[prog.mainVertexShader]);
     source.append(qShaderSnippets[prog.positionVertexShader]);
-    QGLShader* vertexShader = new QGLShader(QGLShader::VertexShader, ctxGuard.context(), this);
-    vertexShader->compile(source);
+    QGLShader* vertexShader = new QGLShader(QGLShader::Vertex, ctxGuard.context(), this);
+    vertexShader->compileSourceCode(source);
 
 #if defined(QT_DEBUG)
     // Name the shaders for easier debugging
@@ -673,7 +673,7 @@ bool QGLEngineShaderManager::useCorrectShaderProg()
     currentShaderProg = sharedShaders->findProgramInCache(requiredProgram);
 
     if (currentShaderProg) {
-        currentShaderProg->program->enable();
+        currentShaderProg->program->bind();
         if (useCustomSrc)
             customSrcStage->setUniforms(currentShaderProg->program);
     }
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
index a9744b3..8228c7e 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
@@ -246,7 +246,7 @@ void QGLTextureGlyphCache::resizeTextureData(int width, int height)
     glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, vertexCoordinateArray);
     glVertexAttribPointer(QT_TEXTURE_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, textureCoordinateArray);
 
-    pex->shaderManager->blitProgram()->enable();
+    pex->shaderManager->blitProgram()->bind();
     pex->shaderManager->blitProgram()->setUniformValue("imageTexture", QT_IMAGE_TEXTURE_UNIT);
     pex->shaderManager->setDirty();
 
@@ -395,7 +395,7 @@ void QGL2PaintEngineExPrivate::setBrush(const QBrush* brush)
 
 void QGL2PaintEngineExPrivate::useSimpleShader()
 {
-    shaderManager->simpleProgram()->enable();
+    shaderManager->simpleProgram()->bind();
     shaderManager->setDirty();
 
     if (matrixDirty)
@@ -1203,7 +1203,9 @@ void QGL2PaintEngineEx::fill(const QVectorPath &path, const QBrush &brush)
         ensureActive();
 
     QOpenGL2PaintEngineState *s = state();
-    bool doOffset = !(s->renderHints & QPainter::Antialiasing) && style == Qt::SolidPattern;
+    bool doOffset = !(s->renderHints & QPainter::Antialiasing) &&
+                    (style == Qt::SolidPattern) &&
+                    !d->multisamplingAlwaysEnabled;
 
     if (doOffset) {
         d->temporaryTransform = s->matrix;
@@ -1221,6 +1223,9 @@ void QGL2PaintEngineEx::fill(const QVectorPath &path, const QBrush &brush)
     }
 }
 
+extern bool qt_scaleForTransform(const QTransform &transform, qreal *scale); // qtransform.cpp
+
+
 void QGL2PaintEngineEx::stroke(const QVectorPath &path, const QPen &pen)
 {
     Q_D(QGL2PaintEngineEx);
@@ -1231,10 +1236,15 @@ void QGL2PaintEngineEx::stroke(const QVectorPath &path, const QPen &pen)
         return;
 
     QOpenGL2PaintEngineState *s = state();
+    if (pen.isCosmetic() && !qt_scaleForTransform(s->transform(), 0)) {
+        // QTriangulatingStroker class is not meant to support cosmetically sheared strokes.
+        QPaintEngineEx::stroke(path, pen);
+        return;
+    }
 
     ensureActive();
 
-    bool doOffset = !(s->renderHints & QPainter::Antialiasing);
+    bool doOffset = !(s->renderHints & QPainter::Antialiasing) && !d->multisamplingAlwaysEnabled;
     if (doOffset) {
         d->temporaryTransform = s->matrix;
         QTransform tx = QTransform::fromTranslate(0.49, .49);
@@ -1772,6 +1782,14 @@ bool QGL2PaintEngineEx::begin(QPaintDevice *pdev)
     }
 #endif
 
+#if defined(QT_OPENGL_ES_2)
+    // OpenGL ES can't switch MSAA off, so if the gl paint device is
+    // multisampled, it's always multisampled.
+    d->multisamplingAlwaysEnabled = d->device->format().sampleBuffers();
+#else
+    d->multisamplingAlwaysEnabled = false;
+#endif
+
     return true;
 }
 
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
index 4cf2a83..9720723 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
@@ -277,6 +277,7 @@ public:
 
     bool needsSync;
     bool inRenderText;
+    bool multisamplingAlwaysEnabled;
 
     GLfloat depthRange[2];
 
diff --git a/src/opengl/gl2paintengineex/qtriangulatingstroker_p.h b/src/opengl/gl2paintengineex/qtriangulatingstroker_p.h
index 97eabef..defa3f1 100644
--- a/src/opengl/gl2paintengineex/qtriangulatingstroker_p.h
+++ b/src/opengl/gl2paintengineex/qtriangulatingstroker_p.h
@@ -129,9 +129,9 @@ inline void QTriangulatingStroker::normalVector(float x1, float y1, float x2, fl
     float pw;
 
     if (dx == 0)
-        pw = m_width / dy;
+        pw = m_width / qAbs(dy);
     else if (dy == 0)
-        pw = m_width / dx;
+        pw = m_width / qAbs(dx);
     else
         pw = m_width / sqrt(dx*dx + dy*dy);
 
@@ -259,8 +259,6 @@ void QTriangulatingStroker::lineTo(const qreal *pts)
 
 
 
-
-
 void QTriangulatingStroker::join(const qreal *pts)
 {
     // Creates a join to the next segment (m_cx, m_cy) -> (pts[0], pts[1])
diff --git a/src/opengl/qglframebufferobject.cpp b/src/opengl/qglframebufferobject.cpp
index 7374594..d79283e 100644
--- a/src/opengl/qglframebufferobject.cpp
+++ b/src/opengl/qglframebufferobject.cpp
@@ -342,39 +342,6 @@ QGLContext *QGLFBOGLPaintDevice::context() const
         return fboContext;
 }
 
-void QGLFBOGLPaintDevice::ensureActiveTarget()
-{
-    if (QGLContext::currentContext() != context())
-        context()->makeCurrent();
-
-    QGLContext* ctx = const_cast<QGLContext*>(QGLContext::currentContext());
-    Q_ASSERT(ctx);
-    const GLuint fboId = fbo->d_func()->fbo();
-    if (ctx->d_func()->current_fbo != fboId) {
-        ctx->d_func()->current_fbo = fboId;
-        glBindFramebuffer(GL_FRAMEBUFFER_EXT, fboId);
-    }
-}
-
-void QGLFBOGLPaintDevice::beginPaint()
-{
-    if (QGLContext::currentContext() != context())
-        context()->makeCurrent();
-
-    // We let QFBO track the previously bound FBO rather than doing it
-    // ourselves here. This has the advantage that begin/release & bind/end
-    // work as expected.
-    wasBound = fbo->isBound();
-    if (!wasBound)
-        fbo->bind();
-}
-
-void QGLFBOGLPaintDevice::endPaint()
-{
-    if (!wasBound)
-        fbo->release();
-}
-
 bool QGLFramebufferObjectPrivate::checkFramebufferStatus() const
 {
     QGL_FUNCP_CONTEXT;
@@ -879,13 +846,6 @@ bool QGLFramebufferObject::isValid() const
     framebuffer to this framebuffer object.
     Returns true upon success, false otherwise.
 
-    Since 4.6: if another QGLFramebufferObject instance was already bound
-    to the current context, then its handle() will be remembered and
-    automatically restored when release() is called.  This allows multiple
-    framebuffer rendering targets to be stacked up.  It is important that
-    release() is called on the stacked framebuffer objects in the reverse
-    order of the calls to bind().
-
     \sa release()
 */
 bool QGLFramebufferObject::bind()
@@ -896,17 +856,18 @@ bool QGLFramebufferObject::bind()
     QGL_FUNC_CONTEXT;
     if (!ctx)
         return false;   // Context no longer exists.
+    const QGLContext *current = QGLContext::currentContext();
+#ifdef QT_DEBUG
+    if (!current ||
+        QGLContextPrivate::contextGroup(current) != QGLContextPrivate::contextGroup(ctx))
+    {
+        qWarning("QGLFramebufferObject::bind() called from incompatible context");
+    }
+#endif
     glBindFramebuffer(GL_FRAMEBUFFER_EXT, d->fbo());
     d->valid = d->checkFramebufferStatus();
-    const QGLContext *context = QGLContext::currentContext();
-    if (d->valid && context) {
-        Q_ASSERT(QGLContextPrivate::contextGroup(context) == QGLContextPrivate::contextGroup(ctx));
-        // Save the previous setting to automatically restore in release().
-        if (context->d_ptr->current_fbo != d->fbo()) {
-            d->previous_fbo = context->d_ptr->current_fbo;
-            context->d_ptr->current_fbo = d->fbo();
-        }
-    }
+    if (d->valid && current)
+        current->d_ptr->current_fbo = d->fbo();
     return d->valid;
 }
 
@@ -917,30 +878,29 @@ bool QGLFramebufferObject::bind()
     framebuffer.
     Returns true upon success, false otherwise.
 
-    Since 4.6: if another QGLFramebufferObject instance was already bound
-    to the current context when bind() was called, then this function will
-    automatically re-bind it to the current context.
-
     \sa bind()
 */
 bool QGLFramebufferObject::release()
 {
     if (!isValid())
 	return false;
-    Q_D(QGLFramebufferObject);
     QGL_FUNC_CONTEXT;
     if (!ctx)
         return false;   // Context no longer exists.
 
-    const QGLContext *context = QGLContext::currentContext();
-    if (context) {
-        Q_ASSERT(QGLContextPrivate::contextGroup(context) == QGLContextPrivate::contextGroup(ctx));
-        // Restore the previous setting for stacked framebuffer objects.
-        if (d->previous_fbo != context->d_ptr->current_fbo) {
-            context->d_ptr->current_fbo = d->previous_fbo;
-            glBindFramebuffer(GL_FRAMEBUFFER_EXT, d->previous_fbo);
-        }
-        d->previous_fbo = 0;
+    const QGLContext *current = QGLContext::currentContext();
+
+#ifdef QT_DEBUG
+    if (!current ||
+        QGLContextPrivate::contextGroup(current) != QGLContextPrivate::contextGroup(ctx))
+    {
+        qWarning("QGLFramebufferObject::release() called from incompatible context");
+    }
+#endif
+
+    if (current) {
+        current->d_ptr->current_fbo = 0;
+        glBindFramebuffer(GL_FRAMEBUFFER_EXT, 0);
     }
 
     return true;
diff --git a/src/opengl/qglframebufferobject_p.h b/src/opengl/qglframebufferobject_p.h
index 122c42e..800cb68 100644
--- a/src/opengl/qglframebufferobject_p.h
+++ b/src/opengl/qglframebufferobject_p.h
@@ -111,9 +111,6 @@ public:
     virtual QSize size() const {return fbo->size();}
     virtual QGLContext* context() const;
     virtual QGLFormat format() const {return fboFormat;}
-    virtual void ensureActiveTarget();
-    virtual void beginPaint();
-    virtual void endPaint();
 
     void setFBO(QGLFramebufferObject* f,
                 QGLFramebufferObject::Attachment attachment);
@@ -127,7 +124,8 @@ private:
 class QGLFramebufferObjectPrivate
 {
 public:
-    QGLFramebufferObjectPrivate() : fbo_guard(0), texture(0), depth_stencil_buffer(0), color_buffer(0), valid(false), previous_fbo(0), engine(0) {}
+    QGLFramebufferObjectPrivate() : fbo_guard(0), texture(0), depth_stencil_buffer(0)
+                                  , color_buffer(0), valid(false), engine(0) {}
     ~QGLFramebufferObjectPrivate() {}
 
     void init(QGLFramebufferObject *q, const QSize& sz,
@@ -143,7 +141,6 @@ public:
     QGLFramebufferObjectFormat format;
     uint valid : 1;
     QGLFramebufferObject::Attachment fbo_attachment;
-    GLuint previous_fbo;
     mutable QPaintEngine *engine;
     QGLFBOGLPaintDevice glDevice;
 
diff --git a/src/opengl/qglshaderprogram.cpp b/src/opengl/qglshaderprogram.cpp
index e28c382..b4191dc 100644
--- a/src/opengl/qglshaderprogram.cpp
+++ b/src/opengl/qglshaderprogram.cpp
@@ -69,7 +69,7 @@ QT_BEGIN_NAMESPACE
     The following example creates a vertex shader program using the
     supplied source \c{code}.  Once compiled and linked, the shader
     program is activated in the current QGLContext by calling
-    QGLShaderProgram::enable():
+    QGLShaderProgram::bind():
 
     \snippet doc/src/snippets/code/src_opengl_qglshaderprogram.cpp 0
 
@@ -125,11 +125,11 @@ QT_BEGIN_NAMESPACE
 */
 
 /*!
-    \enum QGLShader::ShaderTypeBits
+    \enum QGLShader::ShaderTypeBit
     This enum specifies the type of QGLShader that is being created.
 
-    \value VertexShader Vertex shader written in the OpenGL Shading Language (GLSL).
-    \value FragmentShader Fragment shader written in the OpenGL Shading Language (GLSL).
+    \value Vertex Vertex shader written in the OpenGL Shading Language (GLSL).
+    \value Fragment Fragment shader written in the OpenGL Shading Language (GLSL).
 */
 
 #ifndef GL_FRAGMENT_SHADER
@@ -211,7 +211,7 @@ bool QGLShaderPrivate::create()
         return false;
     if (qt_resolve_glsl_extensions(const_cast<QGLContext *>(context))) {
         GLuint shader;
-        if (shaderType == QGLShader::VertexShader)
+        if (shaderType == QGLShader::Vertex)
             shader = glCreateShader(GL_VERTEX_SHADER);
         else
             shader = glCreateShader(GL_FRAGMENT_SHADER);
@@ -266,14 +266,14 @@ void QGLShaderPrivate::deleteShader()
 /*!
     Constructs a new QGLShader object of the specified \a type
     and attaches it to \a parent.  If shader programs are not supported,
-    QGLShaderProgram::hasShaderPrograms() will return false.
+    QGLShaderProgram::hasOpenGLShaderPrograms() will return false.
 
-    This constructor is normally followed by a call to compile()
-    or compileFile().
+    This constructor is normally followed by a call to compileSourceCode()
+    or compileSourceFile().
 
     The shader will be associated with the current QGLContext.
 
-    \sa compile(), compileFile()
+    \sa compileSourceCode(), compileSourceFile()
 */
 QGLShader::QGLShader(QGLShader::ShaderType type, QObject *parent)
     : QObject(*new QGLShaderPrivate(QGLContext::currentContext(), type), parent)
@@ -283,45 +283,19 @@ QGLShader::QGLShader(QGLShader::ShaderType type, QObject *parent)
 }
 
 /*!
-    Constructs a new QGLShader object of the specified \a type from the
-    source code in \a fileName and attaches it to \a parent.
-    If the shader could not be loaded, then isCompiled() will return false.
-
-    The shader will be associated with the current QGLContext.
-
-    \sa isCompiled()
-*/
-QGLShader::QGLShader
-        (const QString& fileName, QGLShader::ShaderType type, QObject *parent)
-    : QObject(*new QGLShaderPrivate(QGLContext::currentContext(), type), parent)
-{
-    Q_D(QGLShader);
-    if (d->create() && !compileFile(fileName))
-        d->deleteShader();
-}
-
-static inline const QGLContext *contextOrCurrent(const QGLContext *context)
-{
-    if (context)
-        return context;
-    else
-        return QGLContext::currentContext();
-}
-
-/*!
     Constructs a new QGLShader object of the specified \a type
     and attaches it to \a parent.  If shader programs are not supported,
-    then QGLShaderProgram::hasShaderPrograms() will return false.
+    then QGLShaderProgram::hasOpenGLShaderPrograms() will return false.
 
-    This constructor is normally followed by a call to compile()
-    or compileFile().
+    This constructor is normally followed by a call to compileSourceCode()
+    or compileSourceFile().
 
     The shader will be associated with \a context.
 
-    \sa compile(), compileFile()
+    \sa compileSourceCode(), compileSourceFile()
 */
 QGLShader::QGLShader(QGLShader::ShaderType type, const QGLContext *context, QObject *parent)
-    : QObject(*new QGLShaderPrivate(contextOrCurrent(context), type), parent)
+    : QObject(*new QGLShaderPrivate(context ? context : QGLContext::currentContext(), type), parent)
 {
     Q_D(QGLShader);
 #ifndef QT_NO_DEBUG
@@ -334,30 +308,6 @@ QGLShader::QGLShader(QGLShader::ShaderType type, const QGLContext *context, QObj
 }
 
 /*!
-    Constructs a new QGLShader object of the specified \a type from the
-    source code in \a fileName and attaches it to \a parent.
-    If the shader could not be loaded, then isCompiled() will return false.
-
-    The shader will be associated with \a context.
-
-    \sa isCompiled()
-*/
-QGLShader::QGLShader
-        (const QString& fileName, QGLShader::ShaderType type, const QGLContext *context, QObject *parent)
-    : QObject(*new QGLShaderPrivate(contextOrCurrent(context), type), parent)
-{
-    Q_D(QGLShader);
-#ifndef QT_NO_DEBUG
-    if (context && !QGLContext::areSharing(context, QGLContext::currentContext())) {
-        qWarning("QGLShader::QGLShader: \'context\' must be current context or sharing with it.");
-        return;
-    }
-#endif
-    if (d->create() && !compileFile(fileName))
-        d->deleteShader();
-}
-
-/*!
     Deletes this shader.  If the shader has been attached to a
     QGLShaderProgram object, then the actual shader will stay around
     until the QGLShaderProgram is destroyed.
@@ -400,9 +350,9 @@ static const char redefineHighp[] =
     Sets the \a source code for this shader and compiles it.
     Returns true if the source was successfully compiled, false otherwise.
 
-    \sa compileFile()
+    \sa compileSourceFile()
 */
-bool QGLShader::compile(const char *source)
+bool QGLShader::compileSourceCode(const char *source)
 {
     Q_D(QGLShader);
     if (d->shaderGuard.id()) {
@@ -431,7 +381,7 @@ bool QGLShader::compile(const char *source)
         srclen.append(GLint(sizeof(qualifierDefines) - 1));
 #endif
 #ifdef QGL_REDEFINE_HIGHP
-        if (d->shaderType == FragmentShader) {
+        if (d->shaderType == Fragment) {
             src.append(redefineHighp);
             srclen.append(GLint(sizeof(redefineHighp) - 1));
         }
@@ -451,11 +401,11 @@ bool QGLShader::compile(const char *source)
     Sets the \a source code for this shader and compiles it.
     Returns true if the source was successfully compiled, false otherwise.
 
-    \sa compileFile()
+    \sa compileSourceFile()
 */
-bool QGLShader::compile(const QByteArray& source)
+bool QGLShader::compileSourceCode(const QByteArray& source)
 {
-    return compile(source.constData());
+    return compileSourceCode(source.constData());
 }
 
 /*!
@@ -464,11 +414,11 @@ bool QGLShader::compile(const QByteArray& source)
     Sets the \a source code for this shader and compiles it.
     Returns true if the source was successfully compiled, false otherwise.
 
-    \sa compileFile()
+    \sa compileSourceFile()
 */
-bool QGLShader::compile(const QString& source)
+bool QGLShader::compileSourceCode(const QString& source)
 {
-    return compile(source.toLatin1().constData());
+    return compileSourceCode(source.toLatin1().constData());
 }
 
 /*!
@@ -476,9 +426,9 @@ bool QGLShader::compile(const QString& source)
     and compiles it.  Returns true if the file could be opened and the
     source compiled, false otherwise.
 
-    \sa compile()
+    \sa compileSourceCode()
 */
-bool QGLShader::compileFile(const QString& fileName)
+bool QGLShader::compileSourceFile(const QString& fileName)
 {
     QFile file(fileName);
     if (!file.open(QFile::ReadOnly)) {
@@ -487,13 +437,13 @@ bool QGLShader::compileFile(const QString& fileName)
     }
 
     QByteArray contents = file.readAll();
-    return compile(contents.constData());
+    return compileSourceCode(contents.constData());
 }
 
 /*!
     Returns the source code for this shader.
 
-    \sa compile()
+    \sa compileSourceCode()
 */
 QByteArray QGLShader::sourceCode() const
 {
@@ -516,7 +466,7 @@ QByteArray QGLShader::sourceCode() const
 /*!
     Returns true if this shader has been compiled; false otherwise.
 
-    \sa compile()
+    \sa compileSourceCode(), compileSourceFile()
 */
 bool QGLShader::isCompiled() const
 {
@@ -527,7 +477,7 @@ bool QGLShader::isCompiled() const
 /*!
     Returns the errors and warnings that occurred during the last compile.
 
-    \sa compile()
+    \sa compileSourceCode(), compileSourceFile()
 */
 QString QGLShader::log() const
 {
@@ -666,6 +616,7 @@ bool QGLShaderProgram::init()
     is deleted.  This allows the caller to add the same shader
     to multiple shader programs.
 
+    \sa addShaderFromSourceCode(), addShaderFromSourceFile()
     \sa removeShader(), link(), removeAllShaders()
 */
 bool QGLShaderProgram::addShader(QGLShader *shader)
@@ -705,15 +656,16 @@ bool QGLShaderProgram::addShader(QGLShader *shader)
     adding vertex and fragment shaders to a shader program without
     creating an instance of QGLShader first.
 
+    \sa addShader(), addShaderFromSourceFile()
     \sa removeShader(), link(), log(), removeAllShaders()
 */
-bool QGLShaderProgram::addShader(QGLShader::ShaderType type, const char *source)
+bool QGLShaderProgram::addShaderFromSourceCode(QGLShader::ShaderType type, const char *source)
 {
     Q_D(QGLShaderProgram);
     if (!init())
         return false;
     QGLShader *shader = new QGLShader(type, this);
-    if (!shader->compile(source)) {
+    if (!shader->compileSourceCode(source)) {
         d->log = shader->log();
         delete shader;
         return false;
@@ -734,11 +686,12 @@ bool QGLShaderProgram::addShader(QGLShader::ShaderType type, const char *source)
     adding vertex and fragment shaders to a shader program without
     creating an instance of QGLShader first.
 
+    \sa addShader(), addShaderFromSourceFile()
     \sa removeShader(), link(), log(), removeAllShaders()
 */
-bool QGLShaderProgram::addShader(QGLShader::ShaderType type, const QByteArray& source)
+bool QGLShaderProgram::addShaderFromSourceCode(QGLShader::ShaderType type, const QByteArray& source)
 {
-    return addShader(type, source.constData());
+    return addShaderFromSourceCode(type, source.constData());
 }
 
 /*!
@@ -753,11 +706,12 @@ bool QGLShaderProgram::addShader(QGLShader::ShaderType type, const QByteArray& s
     adding vertex and fragment shaders to a shader program without
     creating an instance of QGLShader first.
 
+    \sa addShader(), addShaderFromSourceFile()
     \sa removeShader(), link(), log(), removeAllShaders()
 */
-bool QGLShaderProgram::addShader(QGLShader::ShaderType type, const QString& source)
+bool QGLShaderProgram::addShaderFromSourceCode(QGLShader::ShaderType type, const QString& source)
 {
-    return addShader(type, source.toLatin1().constData());
+    return addShaderFromSourceCode(type, source.toLatin1().constData());
 }
 
 /*!
@@ -770,16 +724,16 @@ bool QGLShaderProgram::addShader(QGLShader::ShaderType type, const QString& sour
     adding vertex and fragment shaders to a shader program without
     creating an instance of QGLShader first.
 
-    \sa addShader()
+    \sa addShader(), addShaderFromSourceCode()
 */
-bool QGLShaderProgram::addShaderFromFile
+bool QGLShaderProgram::addShaderFromSourceFile
     (QGLShader::ShaderType type, const QString& fileName)
 {
     Q_D(QGLShaderProgram);
     if (!init())
         return false;
     QGLShader *shader = new QGLShader(type, this);
-    if (!shader->compileFile(fileName)) {
+    if (!shader->compileSourceFile(fileName)) {
         d->log = shader->log();
         delete shader;
         return false;
@@ -912,14 +866,16 @@ QString QGLShaderProgram::log() const
 }
 
 /*!
-    Enable use of this shader program in the currently active QGLContext.
-    Returns true if the program was successfully enabled; false
-    otherwise.  If the shader program has not yet been linked,
+    Binds this shader program to the active QGLContext and makes
+    it the current shader program.  Any previously bound shader program
+    is released.  This is equivalent to calling \c{glUseProgram()} on
+    programId().  Returns true if the program was successfully bound;
+    false otherwise.  If the shader program has not yet been linked,
     or it needs to be re-linked, this function will call link().
 
-    \sa link(), disable()
+    \sa link(), release()
 */
-bool QGLShaderProgram::enable()
+bool QGLShaderProgram::bind()
 {
     Q_D(QGLShaderProgram);
     GLuint program = d->programGuard.id();
@@ -927,6 +883,12 @@ bool QGLShaderProgram::enable()
         return false;
     if (!d->linked && !link())
         return false;
+#ifndef QT_NO_DEBUG
+    if (!QGLContext::areSharing(d->programGuard.context(), QGLContext::currentContext())) {
+        qWarning("QGLShaderProgram::bind: program is not valid in the current context.");
+        return false;
+    }
+#endif
     glUseProgram(program);
     return true;
 }
@@ -935,13 +897,18 @@ bool QGLShaderProgram::enable()
 #define ctx QGLContext::currentContext()
 
 /*!
-    Disables the active shader program in the current QGLContext.
+    Releases the active shader program from the current QGLContext.
     This is equivalent to calling \c{glUseProgram(0)}.
 
-    \sa enable()
+    \sa bind()
 */
-void QGLShaderProgram::disable()
+void QGLShaderProgram::release()
 {
+#ifndef QT_NO_DEBUG
+    Q_D(QGLShaderProgram);
+    if (!QGLContext::areSharing(d->programGuard.context(), QGLContext::currentContext()))
+        qWarning("QGLShaderProgram::release: program is not valid in the current context.");
+#endif
 #if defined(QT_OPENGL_ES_2)
     glUseProgram(0);
 #else
@@ -1331,22 +1298,26 @@ void QGLShaderProgram::setAttributeValue
 
 /*!
     Sets an array of vertex \a values on the attribute at \a location
-    in this shader program.  The \a size indicates the number of
+    in this shader program.  The \a tupleSize indicates the number of
     components per vertex (1, 2, 3, or 4), and the \a stride indicates
     the number of bytes between vertices.  A default \a stride value
     of zero indicates that the vertices are densely packed in \a values.
 
-    \sa setAttributeValue(), setUniformValue(), disableAttributeArray()
+    The array will become active when enableAttributeArray() is called
+    on the \a location.  Otherwise the value specified with
+    setAttributeValue() for \a location will be used.
+
+    \sa setAttributeValue(), setUniformValue(), enableAttributeArray()
+    \sa disableAttributeArray()
 */
 void QGLShaderProgram::setAttributeArray
-    (int location, const GLfloat *values, int size, int stride)
+    (int location, const GLfloat *values, int tupleSize, int stride)
 {
     Q_D(QGLShaderProgram);
     Q_UNUSED(d);
     if (location != -1) {
-        glVertexAttribPointer(location, size, GL_FLOAT, GL_FALSE,
+        glVertexAttribPointer(location, tupleSize, GL_FLOAT, GL_FALSE,
                               stride, values);
-        glEnableVertexAttribArray(location);
     }
 }
 
@@ -1356,7 +1327,12 @@ void QGLShaderProgram::setAttributeArray
     between vertices.  A default \a stride value of zero indicates that
     the vertices are densely packed in \a values.
 
-    \sa setAttributeValue(), setUniformValue(), disableAttributeArray()
+    The array will become active when enableAttributeArray() is called
+    on the \a location.  Otherwise the value specified with
+    setAttributeValue() for \a location will be used.
+
+    \sa setAttributeValue(), setUniformValue(), enableAttributeArray()
+    \sa disableAttributeArray()
 */
 void QGLShaderProgram::setAttributeArray
         (int location, const QVector2D *values, int stride)
@@ -1366,7 +1342,6 @@ void QGLShaderProgram::setAttributeArray
     if (location != -1) {
         glVertexAttribPointer(location, 2, GL_FLOAT, GL_FALSE,
                               stride, values);
-        glEnableVertexAttribArray(location);
     }
 }
 
@@ -1376,7 +1351,12 @@ void QGLShaderProgram::setAttributeArray
     between vertices.  A default \a stride value of zero indicates that
     the vertices are densely packed in \a values.
 
-    \sa setAttributeValue(), setUniformValue(), disableAttributeArray()
+    The array will become active when enableAttributeArray() is called
+    on the \a location.  Otherwise the value specified with
+    setAttributeValue() for \a location will be used.
+
+    \sa setAttributeValue(), setUniformValue(), enableAttributeArray()
+    \sa disableAttributeArray()
 */
 void QGLShaderProgram::setAttributeArray
         (int location, const QVector3D *values, int stride)
@@ -1386,7 +1366,6 @@ void QGLShaderProgram::setAttributeArray
     if (location != -1) {
         glVertexAttribPointer(location, 3, GL_FLOAT, GL_FALSE,
                               stride, values);
-        glEnableVertexAttribArray(location);
     }
 }
 
@@ -1396,7 +1375,12 @@ void QGLShaderProgram::setAttributeArray
     between vertices.  A default \a stride value of zero indicates that
     the vertices are densely packed in \a values.
 
-    \sa setAttributeValue(), setUniformValue(), disableAttributeArray()
+    The array will become active when enableAttributeArray() is called
+    on the \a location.  Otherwise the value specified with
+    setAttributeValue() for \a location will be used.
+
+    \sa setAttributeValue(), setUniformValue(), enableAttributeArray()
+    \sa disableAttributeArray()
 */
 void QGLShaderProgram::setAttributeArray
         (int location, const QVector4D *values, int stride)
@@ -1406,7 +1390,6 @@ void QGLShaderProgram::setAttributeArray
     if (location != -1) {
         glVertexAttribPointer(location, 4, GL_FLOAT, GL_FALSE,
                               stride, values);
-        glEnableVertexAttribArray(location);
     }
 }
 
@@ -1414,17 +1397,22 @@ void QGLShaderProgram::setAttributeArray
     \overload
 
     Sets an array of vertex \a values on the attribute called \a name
-    in this shader program.  The \a size indicates the number of
+    in this shader program.  The \a tupleSize indicates the number of
     components per vertex (1, 2, 3, or 4), and the \a stride indicates
     the number of bytes between vertices.  A default \a stride value
     of zero indicates that the vertices are densely packed in \a values.
 
-    \sa setAttributeValue(), setUniformValue(), disableAttributeArray()
+    The array will become active when enableAttributeArray() is called
+    on \a name.  Otherwise the value specified with setAttributeValue()
+    for \a name will be used.
+
+    \sa setAttributeValue(), setUniformValue(), enableAttributeArray()
+    \sa disableAttributeArray()
 */
 void QGLShaderProgram::setAttributeArray
-    (const char *name, const GLfloat *values, int size, int stride)
+    (const char *name, const GLfloat *values, int tupleSize, int stride)
 {
-    setAttributeArray(attributeLocation(name), values, size, stride);
+    setAttributeArray(attributeLocation(name), values, tupleSize, stride);
 }
 
 /*!
@@ -1435,7 +1423,12 @@ void QGLShaderProgram::setAttributeArray
     between vertices.  A default \a stride value of zero indicates that
     the vertices are densely packed in \a values.
 
-    \sa setAttributeValue(), setUniformValue(), disableAttributeArray()
+    The array will become active when enableAttributeArray() is called
+    on \a name.  Otherwise the value specified with setAttributeValue()
+    for \a name will be used.
+
+    \sa setAttributeValue(), setUniformValue(), enableAttributeArray()
+    \sa disableAttributeArray()
 */
 void QGLShaderProgram::setAttributeArray
         (const char *name, const QVector2D *values, int stride)
@@ -1451,7 +1444,12 @@ void QGLShaderProgram::setAttributeArray
     between vertices.  A default \a stride value of zero indicates that
     the vertices are densely packed in \a values.
 
-    \sa setAttributeValue(), setUniformValue(), disableAttributeArray()
+    The array will become active when enableAttributeArray() is called
+    on \a name.  Otherwise the value specified with setAttributeValue()
+    for \a name will be used.
+
+    \sa setAttributeValue(), setUniformValue(), enableAttributeArray()
+    \sa disableAttributeArray()
 */
 void QGLShaderProgram::setAttributeArray
         (const char *name, const QVector3D *values, int stride)
@@ -1467,7 +1465,12 @@ void QGLShaderProgram::setAttributeArray
     between vertices.  A default \a stride value of zero indicates that
     the vertices are densely packed in \a values.
 
-    \sa setAttributeValue(), setUniformValue(), disableAttributeArray()
+    The array will become active when enableAttributeArray() is called
+    on \a name.  Otherwise the value specified with setAttributeValue()
+    for \a name will be used.
+
+    \sa setAttributeValue(), setUniformValue(), enableAttributeArray()
+    \sa disableAttributeArray()
 */
 void QGLShaderProgram::setAttributeArray
         (const char *name, const QVector4D *values, int stride)
@@ -1476,10 +1479,42 @@ void QGLShaderProgram::setAttributeArray
 }
 
 /*!
+    Enables the vertex array at \a location in this shader program
+    so that the value set by setAttributeArray() on \a location
+    will be used by the shader program.
+
+    \sa disableAttributeArray(), setAttributeArray(), setAttributeValue()
+    \sa setUniformValue()
+*/
+void QGLShaderProgram::enableAttributeArray(int location)
+{
+    Q_D(QGLShaderProgram);
+    Q_UNUSED(d);
+    if (location != -1)
+        glEnableVertexAttribArray(location);
+}
+
+/*!
+    \overload
+
+    Enables the vertex array called \a name in this shader program
+    so that the value set by setAttributeArray() on \a name
+    will be used by the shader program.
+
+    \sa disableAttributeArray(), setAttributeArray(), setAttributeValue()
+    \sa setUniformValue()
+*/
+void QGLShaderProgram::enableAttributeArray(const char *name)
+{
+    enableAttributeArray(attributeLocation(name));
+}
+
+/*!
     Disables the vertex array at \a location in this shader program
-    that was enabled by a previous call to setAttributeArray().
+    that was enabled by a previous call to enableAttributeArray().
 
-    \sa setAttributeArray(), setAttributeValue(), setUniformValue()
+    \sa enableAttributeArray(), setAttributeArray(), setAttributeValue()
+    \sa setUniformValue()
 */
 void QGLShaderProgram::disableAttributeArray(int location)
 {
@@ -1493,9 +1528,10 @@ void QGLShaderProgram::disableAttributeArray(int location)
     \overload
 
     Disables the vertex array called \a name in this shader program
-    that was enabled by a previous call to setAttributeArray().
+    that was enabled by a previous call to enableAttributeArray().
 
-    \sa setAttributeArray(), setAttributeValue(), setUniformValue()
+    \sa enableAttributeArray(), setAttributeArray(), setAttributeValue()
+    \sa setUniformValue()
 */
 void QGLShaderProgram::disableAttributeArray(const char *name)
 {
@@ -2363,25 +2399,25 @@ void QGLShaderProgram::setUniformValueArray
 /*!
     Sets the uniform variable array at \a location in the current
     context to the \a count elements of \a values.  Each element
-    has \a size components.  The \a size must be 1, 2, 3, or 4.
+    has \a tupleSize components.  The \a tupleSize must be 1, 2, 3, or 4.
 
     \sa setAttributeValue()
 */
-void QGLShaderProgram::setUniformValueArray(int location, const GLfloat *values, int count, int size)
+void QGLShaderProgram::setUniformValueArray(int location, const GLfloat *values, int count, int tupleSize)
 {
     Q_D(QGLShaderProgram);
     Q_UNUSED(d);
     if (location != -1) {
-        if (size == 1)
+        if (tupleSize == 1)
             glUniform1fv(location, count, values);
-        else if (size == 2)
+        else if (tupleSize == 2)
             glUniform2fv(location, count, values);
-        else if (size == 3)
+        else if (tupleSize == 3)
             glUniform3fv(location, count, values);
-        else if (size == 4)
+        else if (tupleSize == 4)
             glUniform4fv(location, count, values);
         else
-            qWarning() << "QGLShaderProgram::setUniformValue: size" << size << "not supported";
+            qWarning() << "QGLShaderProgram::setUniformValue: size" << tupleSize << "not supported";
     }
 }
 
@@ -2390,14 +2426,14 @@ void QGLShaderProgram::setUniformValueArray(int location, const GLfloat *values,
 
     Sets the uniform variable array called \a name in the current
     context to the \a count elements of \a values.  Each element
-    has \a size components.  The \a size must be 1, 2, 3, or 4.
+    has \a tupleSize components.  The \a tupleSize must be 1, 2, 3, or 4.
 
     \sa setAttributeValue()
 */
 void QGLShaderProgram::setUniformValueArray
-        (const char *name, const GLfloat *values, int count, int size)
+        (const char *name, const GLfloat *values, int count, int tupleSize)
 {
-    setUniformValueArray(uniformLocation(name), values, count, size);
+    setUniformValueArray(uniformLocation(name), values, count, tupleSize);
 }
 
 /*!
@@ -2800,7 +2836,7 @@ void QGLShaderProgram::setUniformValueArray(const char *name, const QMatrix4x4 *
     The \a context is used to resolve the GLSL extensions.
     If \a context is null, then QGLContext::currentContext() is used.
 */
-bool QGLShaderProgram::hasShaderPrograms(const QGLContext *context)
+bool QGLShaderProgram::hasOpenGLShaderPrograms(const QGLContext *context)
 {
 #if !defined(QT_OPENGL_ES_2)
     if (!context)
@@ -2825,8 +2861,6 @@ void QGLShaderProgram::shaderDestroyed()
         removeShader(shader);
 }
 
-#endif
-
 #ifdef Q_MAC_COMPAT_GL_FUNCTIONS
 /*! \internal */
 void QGLShaderProgram::setUniformValue(int location, QMacCompatGLint value)
@@ -2877,4 +2911,6 @@ void QGLShaderProgram::setUniformValueArray(const char *name, const QMacCompatGL
 }
 #endif
 
+#endif // !defined(QT_OPENGL_ES_1_CL) && !defined(QT_OPENGL_ES_1)
+
 QT_END_NAMESPACE
diff --git a/src/opengl/qglshaderprogram.h b/src/opengl/qglshaderprogram.h
index 49c3364..deeaee2 100644
--- a/src/opengl/qglshaderprogram.h
+++ b/src/opengl/qglshaderprogram.h
@@ -63,25 +63,23 @@ class Q_OPENGL_EXPORT QGLShader : public QObject
 {
     Q_OBJECT
 public:
-    enum ShaderTypeBits
+    enum ShaderTypeBit
     {
-        VertexShader            = 0x0001,
-        FragmentShader          = 0x0002
+        Vertex          = 0x0001,
+        Fragment        = 0x0002
     };
-    Q_DECLARE_FLAGS(ShaderType, ShaderTypeBits)
+    Q_DECLARE_FLAGS(ShaderType, ShaderTypeBit)
 
     explicit QGLShader(QGLShader::ShaderType type, QObject *parent = 0);
-    QGLShader(const QString& fileName, QGLShader::ShaderType type, QObject *parent = 0);
     QGLShader(QGLShader::ShaderType type, const QGLContext *context, QObject *parent = 0);
-    QGLShader(const QString& fileName, QGLShader::ShaderType type, const QGLContext *context, QObject *parent = 0);
     virtual ~QGLShader();
 
     QGLShader::ShaderType shaderType() const;
 
-    bool compile(const char *source);
-    bool compile(const QByteArray& source);
-    bool compile(const QString& source);
-    bool compileFile(const QString& fileName);
+    bool compileSourceCode(const char *source);
+    bool compileSourceCode(const QByteArray& source);
+    bool compileSourceCode(const QString& source);
+    bool compileSourceFile(const QString& fileName);
 
     QByteArray sourceCode() const;
 
@@ -114,10 +112,10 @@ public:
     void removeShader(QGLShader *shader);
     QList<QGLShader *> shaders() const;
 
-    bool addShader(QGLShader::ShaderType type, const char *source);
-    bool addShader(QGLShader::ShaderType type, const QByteArray& source);
-    bool addShader(QGLShader::ShaderType type, const QString& source);
-    bool addShaderFromFile(QGLShader::ShaderType type, const QString& fileName);
+    bool addShaderFromSourceCode(QGLShader::ShaderType type, const char *source);
+    bool addShaderFromSourceCode(QGLShader::ShaderType type, const QByteArray& source);
+    bool addShaderFromSourceCode(QGLShader::ShaderType type, const QString& source);
+    bool addShaderFromSourceFile(QGLShader::ShaderType type, const QString& fileName);
 
     void removeAllShaders();
 
@@ -125,8 +123,8 @@ public:
     bool isLinked() const;
     QString log() const;
 
-    bool enable();
-    static void disable();
+    bool bind();
+    void release();
 
     GLuint programId() const;
 
@@ -159,7 +157,7 @@ public:
     void setAttributeValue(const char *name, const GLfloat *values, int columns, int rows);
 
     void setAttributeArray
-        (int location, const GLfloat *values, int size, int stride = 0);
+        (int location, const GLfloat *values, int tupleSize, int stride = 0);
     void setAttributeArray
         (int location, const QVector2D *values, int stride = 0);
     void setAttributeArray
@@ -167,13 +165,16 @@ public:
     void setAttributeArray
         (int location, const QVector4D *values, int stride = 0);
     void setAttributeArray
-        (const char *name, const GLfloat *values, int size, int stride = 0);
+        (const char *name, const GLfloat *values, int tupleSize, int stride = 0);
     void setAttributeArray
         (const char *name, const QVector2D *values, int stride = 0);
     void setAttributeArray
         (const char *name, const QVector3D *values, int stride = 0);
     void setAttributeArray
         (const char *name, const QVector4D *values, int stride = 0);
+
+    void enableAttributeArray(int location);
+    void enableAttributeArray(const char *name);
     void disableAttributeArray(int location);
     void disableAttributeArray(const char *name);
 
@@ -244,7 +245,7 @@ public:
     void setUniformValue(const char *name, const GLfloat value[4][4]);
     void setUniformValue(const char *name, const QTransform& value);
 
-    void setUniformValueArray(int location, const GLfloat *values, int count, int size);
+    void setUniformValueArray(int location, const GLfloat *values, int count, int tupleSize);
     void setUniformValueArray(int location, const GLint *values, int count);
     void setUniformValueArray(int location, const GLuint *values, int count);
     void setUniformValueArray(int location, const QVector2D *values, int count);
@@ -260,7 +261,7 @@ public:
     void setUniformValueArray(int location, const QMatrix4x3 *values, int count);
     void setUniformValueArray(int location, const QMatrix4x4 *values, int count);
 
-    void setUniformValueArray(const char *name, const GLfloat *values, int count, int size);
+    void setUniformValueArray(const char *name, const GLfloat *values, int count, int tupleSize);
     void setUniformValueArray(const char *name, const GLint *values, int count);
     void setUniformValueArray(const char *name, const GLuint *values, int count);
     void setUniformValueArray(const char *name, const QVector2D *values, int count);
@@ -276,7 +277,7 @@ public:
     void setUniformValueArray(const char *name, const QMatrix4x3 *values, int count);
     void setUniformValueArray(const char *name, const QMatrix4x4 *values, int count);
 
-    static bool hasShaderPrograms(const QGLContext *context = 0);
+    static bool hasOpenGLShaderPrograms(const QGLContext *context = 0);
 
 private Q_SLOTS:
     void shaderDestroyed();
diff --git a/src/opengl/qwindowsurface_gl.cpp b/src/opengl/qwindowsurface_gl.cpp
index ebe101d..f1f5976 100644
--- a/src/opengl/qwindowsurface_gl.cpp
+++ b/src/opengl/qwindowsurface_gl.cpp
@@ -625,7 +625,7 @@ void QGLWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoint &
 
         QGLShaderProgram *blitProgram =
             QGLEngineSharedShaders::shadersForContext(ctx)->blitProgram();
-        blitProgram->enable();
+        blitProgram->bind();
         blitProgram->setUniformValue("imageTexture", 0 /*QT_IMAGE_TEXTURE_UNIT*/);
 
         // The shader manager's blit program does not multiply the
diff --git a/src/opengl/util/composition_mode_softlight.glsl b/src/opengl/util/composition_mode_softlight.glsl
index 4777b74..e4c1f89 100644
--- a/src/opengl/util/composition_mode_softlight.glsl
+++ b/src/opengl/util/composition_mode_softlight.glsl
@@ -1,18 +1,22 @@
-// Dca' = 2.Sca < Sa ?
-//        Dca.(Sa - (1 - Dca/Da).(2.Sca - Sa)) + Sca.(1 - Da) + Dca.(1 - Sa) :
-//          (8.Dca <= Da ?
-//           Dca.(Sa - (1 - Dca/Da).(2.Sca - Sa).(3 - 8.Dca/Da)) + Sca.(1 - Da) + Dca.(1 - Sa) :
-//           (Dca.Sa + ((Dca/Da)^(0.5).Da - Dca).(2.Sca - Sa)) + Sca.(1 - Da) + Dca.(1 - Sa))
+// if 2.Sca <= Sa
+//     Dca' = Dca.(Sa + (2.Sca - Sa).(1 - Dca/Da)) + Sca.(1 - Da) + Dca.(1 - Sa)
+// otherwise if 2.Sca > Sa and 4.Dca <= Da
+//     Dca' = Dca.Sa + Da.(2.Sca - Sa).(4.Dca/Da.(4.Dca/Da + 1).(Dca/Da - 1) + 7.Dca/Da) + Sca.(1 - Da) + Dca.(1 - Sa)
+// otherwise if 2.Sca > Sa and 4.Dca > Da
+//     Dca' = Dca.Sa + Da.(2.Sca - Sa).((Dca/Da)^0.5 - Dca/Da) + Sca.(1 - Da) + Dca.(1 - Sa)
 // Da'  = Sa + Da - Sa.Da 
+
 vec4 composite(vec4 src, vec4 dst)
 {
     vec4 result;
     float da = max(dst.a, 0.00001);
-    result.rgb = mix(dst.rgb * (src.a - (1.0 - dst.rgb / da) * (2.0 * src.rgb - src.a)),
-                     mix(dst.rgb * (src.a - (1.0 - dst.rgb / da) * (2.0 * src.rgb - src.a) * (3.0 - 8.0 * dst.rgb / da)),
-                         (dst.rgb * src.a + (sqrt(dst.rgb / da) * dst.a - dst.rgb) * (2.0 * src.rgb - src.a)),
-                         step(dst.a, 8.0 * dst.rgb)),
-                     step(src.a, 2.0 * src.rgb)) + src.rgb * (1.0 - dst.a) + dst.rgb * (1.0 - src.a);
+    vec3 dst_np = dst.rgb / da;
+    result.rgb = mix(dst.rgb * (src.a + (2.0 * src.rgb - src.a) * (1.0 - dst_np)),
+                     mix(dst.rgb * src.a + dst.a * (2.0 * src.rgb - src.a) * ((16.0 * dst_np - 12.0) * dst_np + 3.0) * dst_np,
+                         dst.rgb * src.a + dst.a * (2.0 * src.rgb - src.a) * (sqrt(dst_np) - dst_np),
+                         step(dst.a, 4.0 * dst.rgb)),
+                     step(src.a, 2.0 * src.rgb))
+                 + src.rgb * (1.0 - dst.a) + dst.rgb * (1.0 - src.a);
     result.a = src.a + dst.a - src.a * dst.a;
     return result;
 }
diff --git a/src/opengl/util/fragmentprograms_p.h b/src/opengl/util/fragmentprograms_p.h
index 9154c6e..2241057 100644
--- a/src/opengl/util/fragmentprograms_p.h
+++ b/src/opengl/util/fragmentprograms_p.h
@@ -519,8 +519,8 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_SOLID_COMPOSITION_MODE
 static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_SOLID_COMPOSITION_MODES_SOFTLIGHT =
     "!!ARBfp1.0\n"
     "PARAM c[6] = { program.local[0..3],\n"
-    "		{ 1, 2, 9.9999997e-006, 8 },\n"
-    "		{ 3 } };\n"
+    "		{ 1, 2, 9.9999997e-006, 4 },\n"
+    "		{ 16, 12, 3 } };\n"
     "TEMP R0;\n"
     "TEMP R1;\n"
     "TEMP R2;\n"
@@ -530,30 +530,31 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_SOLID_COMPOSITION_MODE
     "MUL R0.xy, fragment.position, c[1];\n"
     "TEX R0, R0, texture[0], 2D;\n"
     "MAX R1.x, R0.w, c[4].z;\n"
-    "RCP R1.w, R1.x;\n"
-    "MUL R1.xyz, R0, R1.w;\n"
-    "MUL R4.xyz, -R1, c[4].w;\n"
-    "RSQ R2.x, R1.x;\n"
-    "RSQ R2.z, R1.z;\n"
-    "RSQ R2.y, R1.y;\n"
-    "MAD R1.xyz, -R0, R1.w, c[4].x;\n"
-    "RCP R2.x, R2.x;\n"
-    "RCP R2.z, R2.z;\n"
-    "RCP R2.y, R2.y;\n"
-    "MAD R3.xyz, R0.w, R2, -R0;\n"
-    "MAD R2.xyz, fragment.color.primary, c[4].y, -fragment.color.primary.w;\n"
-    "MUL R3.xyz, R2, R3;\n"
-    "ADD R5.xyz, R4, c[5].x;\n"
-    "MUL R4.xyz, R1, R2;\n"
-    "MAD R1.xyz, -R1, R2, fragment.color.primary.w;\n"
+    "RCP R1.x, R1.x;\n"
+    "MUL R2.xyz, R0, R1.x;\n"
+    "MAD R1.xyz, R2, c[5].x, -c[5].y;\n"
+    "MAD R3.xyz, R2, R1, c[5].z;\n"
+    "MAD R1.xyz, fragment.color.primary, c[4].y, -fragment.color.primary.w;\n"
+    "MUL R4.xyz, R0.w, R1;\n"
+    "MUL R5.xyz, R4, R3;\n"
+    "RSQ R1.w, R2.x;\n"
+    "RSQ R2.w, R2.z;\n"
+    "RCP R3.x, R1.w;\n"
+    "RSQ R1.w, R2.y;\n"
+    "MUL R5.xyz, R2, R5;\n"
+    "RCP R3.z, R2.w;\n"
+    "RCP R3.y, R1.w;\n"
+    "ADD R3.xyz, -R2, R3;\n"
+    "MUL R3.xyz, R4, R3;\n"
+    "ADD R2.xyz, -R2, c[4].x;\n"
+    "MAD R1.xyz, R1, R2, fragment.color.primary.w;\n"
     "MUL R2.xyz, fragment.color.primary, c[4].y;\n"
-    "MAD R5.xyz, -R4, R5, fragment.color.primary.w;\n"
+    "MAD R4.xyz, fragment.color.primary.w, R0, R5;\n"
     "MAD R3.xyz, fragment.color.primary.w, R0, R3;\n"
-    "MAD R4.xyz, -R0, R5, R3;\n"
+    "ADD R5.xyz, R3, -R4;\n"
     "MUL R3.xyz, R0, c[4].w;\n"
-    "MUL R5.xyz, R0, R5;\n"
     "SGE R3.xyz, R3, R0.w;\n"
-    "MAD R3.xyz, R3, R4, R5;\n"
+    "MAD R3.xyz, R3, R5, R4;\n"
     "MAD R3.xyz, -R0, R1, R3;\n"
     "MUL R1.xyz, R0, R1;\n"
     "SGE R2.xyz, R2, fragment.color.primary.w;\n"
@@ -861,8 +862,8 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_SOLID_COMPOSITION_MODE
 static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_SOLID_COMPOSITION_MODES_SOFTLIGHT_NOMASK =
     "!!ARBfp1.0\n"
     "PARAM c[3] = { program.local[0],\n"
-    "		{ 1, 2, 9.9999997e-006, 8 },\n"
-    "		{ 3 } };\n"
+    "		{ 1, 2, 9.9999997e-006, 4 },\n"
+    "		{ 16, 12, 3 } };\n"
     "TEMP R0;\n"
     "TEMP R1;\n"
     "TEMP R2;\n"
@@ -872,30 +873,31 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_SOLID_COMPOSITION_MODE
     "MUL R0.xy, fragment.position, c[0];\n"
     "TEX R0, R0, texture[0], 2D;\n"
     "MAX R1.x, R0.w, c[1].z;\n"
-    "RCP R1.w, R1.x;\n"
-    "MUL R1.xyz, R0, R1.w;\n"
-    "MUL R4.xyz, -R1, c[1].w;\n"
-    "RSQ R2.x, R1.x;\n"
-    "RSQ R2.z, R1.z;\n"
-    "RSQ R2.y, R1.y;\n"
-    "RCP R2.x, R2.x;\n"
-    "RCP R2.z, R2.z;\n"
-    "RCP R2.y, R2.y;\n"
-    "MAD R3.xyz, R0.w, R2, -R0;\n"
-    "MAD R2.xyz, fragment.color.primary, c[1].y, -fragment.color.primary.w;\n"
-    "MUL R3.xyz, R2, R3;\n"
+    "RCP R1.x, R1.x;\n"
+    "MUL R2.xyz, R0, R1.x;\n"
+    "MAD R1.xyz, R2, c[2].x, -c[2].y;\n"
+    "MAD R3.xyz, R2, R1, c[2].z;\n"
+    "MAD R1.xyz, fragment.color.primary, c[1].y, -fragment.color.primary.w;\n"
+    "MUL R4.xyz, R0.w, R1;\n"
+    "MUL R5.xyz, R4, R3;\n"
+    "RSQ R1.w, R2.x;\n"
+    "RCP R3.x, R1.w;\n"
+    "RSQ R2.w, R2.z;\n"
+    "RSQ R1.w, R2.y;\n"
+    "MUL R5.xyz, R2, R5;\n"
+    "RCP R3.z, R2.w;\n"
+    "RCP R3.y, R1.w;\n"
+    "ADD R3.xyz, -R2, R3;\n"
+    "MUL R3.xyz, R4, R3;\n"
+    "ADD R2.xyz, -R2, c[1].x;\n"
+    "MAD R1.xyz, R1, R2, fragment.color.primary.w;\n"
+    "MUL R2.xyz, fragment.color.primary, c[1].y;\n"
+    "MAD R4.xyz, fragment.color.primary.w, R0, R5;\n"
     "MAD R3.xyz, fragment.color.primary.w, R0, R3;\n"
-    "MAD R1.xyz, -R0, R1.w, c[1].x;\n"
-    "ADD R5.xyz, R4, c[2].x;\n"
-    "MUL R4.xyz, R1, R2;\n"
-    "MAD R1.xyz, -R1, R2, fragment.color.primary.w;\n"
-    "MAD R5.xyz, -R4, R5, fragment.color.primary.w;\n"
-    "MAD R4.xyz, -R0, R5, R3;\n"
+    "ADD R5.xyz, R3, -R4;\n"
     "MUL R3.xyz, R0, c[1].w;\n"
-    "MUL R2.xyz, fragment.color.primary, c[1].y;\n"
-    "MUL R5.xyz, R0, R5;\n"
     "SGE R3.xyz, R3, R0.w;\n"
-    "MAD R3.xyz, R3, R4, R5;\n"
+    "MAD R3.xyz, R3, R5, R4;\n"
     "MAD R3.xyz, -R0, R1, R3;\n"
     "MUL R1.xyz, R0, R1;\n"
     "SGE R2.xyz, R2, fragment.color.primary.w;\n"
@@ -1457,7 +1459,7 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_RADIAL_COMPOSITION_MOD
     "!!ARBfp1.0\n"
     "PARAM c[11] = { program.local[0..8],\n"
     "		{ 2, 4, 1, 9.9999997e-006 },\n"
-    "		{ 8, 3 } };\n"
+    "		{ 16, 12, 3 } };\n"
     "TEMP R0;\n"
     "TEMP R1;\n"
     "TEMP R2;\n"
@@ -1469,53 +1471,55 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_RADIAL_COMPOSITION_MOD
     "MAD R0.xyz, fragment.position.x, c[2], R0;\n"
     "ADD R0.xyz, R0, c[4];\n"
     "RCP R0.z, R0.z;\n"
-    "MUL R1.xy, fragment.position, c[6];\n"
-    "TEX R1, R1, texture[0], 2D;\n"
-    "MAX R0.w, R1, c[9];\n"
-    "RCP R2.w, R0.w;\n"
-    "MUL R5.xyz, R1, R2.w;\n"
     "MUL R0.xy, R0, R0.z;\n"
     "MUL R0.zw, R0.xyxy, R0.xyxy;\n"
     "ADD R0.z, R0, R0.w;\n"
     "MUL R0.xy, R0, c[0];\n"
     "ADD R0.x, R0, R0.y;\n"
-    "MUL R0.y, R0.x, c[9].x;\n"
-    "MOV R0.x, c[9];\n"
-    "RSQ R2.x, R5.x;\n"
-    "RSQ R2.z, R5.z;\n"
-    "RSQ R2.y, R5.y;\n"
     "MUL R0.z, -R0, c[1].x;\n"
-    "MUL R0.z, R0, c[9].y;\n"
-    "MAD R0.z, R0.y, R0.y, -R0;\n"
-    "MUL R0.w, R0.x, c[1].x;\n"
-    "RSQ R0.z, R0.z;\n"
-    "RCP R0.x, R0.z;\n"
-    "RCP R0.z, R0.w;\n"
-    "ADD R0.x, -R0.y, R0;\n"
-    "MUL R0.x, R0, R0.z;\n"
+    "MUL R0.y, R0.z, c[9];\n"
+    "MUL R0.x, R0, c[9];\n"
+    "MUL R0.zw, fragment.position.xyxy, c[6].xyxy;\n"
+    "TEX R1, R0.zwzw, texture[0], 2D;\n"
+    "MAD R0.y, R0.x, R0.x, -R0;\n"
+    "RSQ R0.y, R0.y;\n"
+    "RCP R0.y, R0.y;\n"
+    "ADD R0.y, -R0.x, R0;\n"
+    "MOV R0.x, c[9];\n"
+    "MUL R0.x, R0, c[1];\n"
+    "MAX R0.z, R1.w, c[9].w;\n"
+    "RCP R0.z, R0.z;\n"
+    "MUL R3.xyz, R1, R0.z;\n"
+    "MAD R4.xyz, R3, c[10].x, -c[10].y;\n"
+    "RCP R0.x, R0.x;\n"
+    "MUL R0.x, R0.y, R0;\n"
     "TEX R0, R0, texture[2], 1D;\n"
-    "MAD R3.xyz, R0, c[9].x, -R0.w;\n"
-    "MAD R6.xyz, -R5, c[10].x, c[10].y;\n"
-    "RCP R2.x, R2.x;\n"
-    "RCP R2.z, R2.z;\n"
-    "RCP R2.y, R2.y;\n"
-    "MAD R2.xyz, R1.w, R2, -R1;\n"
-    "MUL R2.xyz, R3, R2;\n"
-    "MAD R4.xyz, R0.w, R1, R2;\n"
-    "MAD R2.xyz, -R1, R2.w, c[9].z;\n"
-    "MUL R5.xyz, R2, R3;\n"
-    "MAD R6.xyz, -R5, R6, R0.w;\n"
-    "MAD R5.xyz, -R1, R6, R4;\n"
-    "MAD R2.xyz, -R2, R3, R0.w;\n"
+    "MAD R2.xyz, R0, c[9].x, -R0.w;\n"
+    "MAD R4.xyz, R3, R4, c[10].z;\n"
+    "MUL R5.xyz, R1.w, R2;\n"
+    "MUL R6.xyz, R5, R4;\n"
+    "RSQ R2.w, R3.x;\n"
+    "RCP R4.x, R2.w;\n"
+    "RSQ R2.w, R3.y;\n"
+    "RSQ R3.w, R3.z;\n"
+    "RCP R4.y, R2.w;\n"
+    "RCP R4.z, R3.w;\n"
+    "ADD R4.xyz, -R3, R4;\n"
+    "MUL R6.xyz, R3, R6;\n"
+    "MUL R4.xyz, R5, R4;\n"
+    "ADD R3.xyz, -R3, c[9].z;\n"
+    "MAD R2.xyz, R2, R3, R0.w;\n"
     "MUL R3.xyz, R0, c[9].x;\n"
-    "MUL R4.xyz, R1, c[10].x;\n"
-    "SGE R3.xyz, R3, R0.w;\n"
-    "ADD R2.w, -R1, c[9].z;\n"
-    "MUL R6.xyz, R1, R6;\n"
+    "MAD R5.xyz, R0.w, R1, R6;\n"
+    "MAD R4.xyz, R0.w, R1, R4;\n"
+    "ADD R6.xyz, R4, -R5;\n"
+    "MUL R4.xyz, R1, c[9].y;\n"
     "SGE R4.xyz, R4, R1.w;\n"
-    "MAD R4.xyz, R4, R5, R6;\n"
+    "MAD R4.xyz, R4, R6, R5;\n"
     "MAD R4.xyz, -R1, R2, R4;\n"
+    "SGE R3.xyz, R3, R0.w;\n"
     "MUL R2.xyz, R1, R2;\n"
+    "ADD R2.w, -R1, c[9].z;\n"
     "MAD R2.xyz, R3, R4, R2;\n"
     "MAD R2.xyz, R0, R2.w, R2;\n"
     "ADD R0.x, -R0.w, c[9].z;\n"
@@ -2060,7 +2064,7 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_RADIAL_COMPOSITION_MOD
     "!!ARBfp1.0\n"
     "PARAM c[8] = { program.local[0..5],\n"
     "		{ 2, 4, 1, 9.9999997e-006 },\n"
-    "		{ 8, 3 } };\n"
+    "		{ 16, 12, 3 } };\n"
     "TEMP R0;\n"
     "TEMP R1;\n"
     "TEMP R2;\n"
@@ -2072,49 +2076,51 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_RADIAL_COMPOSITION_MOD
     "MAD R0.xyz, fragment.position.x, c[2], R0;\n"
     "ADD R0.xyz, R0, c[4];\n"
     "RCP R0.z, R0.z;\n"
-    "MUL R1.xy, fragment.position, c[5];\n"
-    "TEX R1, R1, texture[0], 2D;\n"
-    "MAX R0.w, R1, c[6];\n"
-    "RCP R2.w, R0.w;\n"
-    "MUL R5.xyz, R1, R2.w;\n"
     "MUL R0.xy, R0, R0.z;\n"
     "MUL R0.zw, R0.xyxy, R0.xyxy;\n"
     "ADD R0.z, R0, R0.w;\n"
     "MUL R0.xy, R0, c[0];\n"
     "ADD R0.x, R0, R0.y;\n"
-    "MUL R0.y, R0.x, c[6].x;\n"
-    "MOV R0.x, c[6];\n"
-    "RSQ R2.x, R5.x;\n"
-    "RSQ R2.z, R5.z;\n"
-    "RSQ R2.y, R5.y;\n"
     "MUL R0.z, -R0, c[1].x;\n"
-    "MUL R0.z, R0, c[6].y;\n"
-    "MAD R0.z, R0.y, R0.y, -R0;\n"
-    "MUL R0.w, R0.x, c[1].x;\n"
-    "RSQ R0.z, R0.z;\n"
-    "RCP R0.x, R0.z;\n"
-    "RCP R0.z, R0.w;\n"
-    "ADD R0.x, -R0.y, R0;\n"
-    "MUL R0.x, R0, R0.z;\n"
+    "MUL R0.y, R0.z, c[6];\n"
+    "MUL R0.x, R0, c[6];\n"
+    "MUL R0.zw, fragment.position.xyxy, c[5].xyxy;\n"
+    "TEX R1, R0.zwzw, texture[0], 2D;\n"
+    "MAD R0.y, R0.x, R0.x, -R0;\n"
+    "RSQ R0.y, R0.y;\n"
+    "RCP R0.y, R0.y;\n"
+    "ADD R0.y, -R0.x, R0;\n"
+    "MOV R0.x, c[6];\n"
+    "MUL R0.x, R0, c[1];\n"
+    "MAX R0.z, R1.w, c[6].w;\n"
+    "RCP R0.z, R0.z;\n"
+    "MUL R3.xyz, R1, R0.z;\n"
+    "MAD R4.xyz, R3, c[7].x, -c[7].y;\n"
+    "RCP R0.x, R0.x;\n"
+    "MUL R0.x, R0.y, R0;\n"
     "TEX R0, R0, texture[1], 1D;\n"
-    "MAD R3.xyz, R0, c[6].x, -R0.w;\n"
-    "MAD R6.xyz, -R5, c[7].x, c[7].y;\n"
-    "RCP R2.x, R2.x;\n"
-    "RCP R2.z, R2.z;\n"
-    "RCP R2.y, R2.y;\n"
-    "MAD R2.xyz, R1.w, R2, -R1;\n"
-    "MUL R2.xyz, R3, R2;\n"
-    "MAD R4.xyz, R0.w, R1, R2;\n"
-    "MAD R2.xyz, -R1, R2.w, c[6].z;\n"
-    "MUL R5.xyz, R2, R3;\n"
-    "MAD R2.xyz, -R2, R3, R0.w;\n"
-    "MAD R6.xyz, -R5, R6, R0.w;\n"
-    "MAD R5.xyz, -R1, R6, R4;\n"
+    "MAD R2.xyz, R0, c[6].x, -R0.w;\n"
+    "MAD R4.xyz, R3, R4, c[7].z;\n"
+    "MUL R5.xyz, R1.w, R2;\n"
+    "MUL R6.xyz, R5, R4;\n"
+    "RSQ R2.w, R3.x;\n"
+    "RCP R4.x, R2.w;\n"
+    "RSQ R2.w, R3.y;\n"
+    "RSQ R3.w, R3.z;\n"
+    "RCP R4.y, R2.w;\n"
+    "RCP R4.z, R3.w;\n"
+    "ADD R4.xyz, -R3, R4;\n"
+    "MUL R6.xyz, R3, R6;\n"
+    "MUL R4.xyz, R5, R4;\n"
+    "ADD R3.xyz, -R3, c[6].z;\n"
+    "MAD R2.xyz, R2, R3, R0.w;\n"
     "MUL R3.xyz, R0, c[6].x;\n"
-    "MUL R4.xyz, R1, c[7].x;\n"
-    "MUL R6.xyz, R1, R6;\n"
+    "MAD R5.xyz, R0.w, R1, R6;\n"
+    "MAD R4.xyz, R0.w, R1, R4;\n"
+    "ADD R6.xyz, R4, -R5;\n"
+    "MUL R4.xyz, R1, c[6].y;\n"
     "SGE R4.xyz, R4, R1.w;\n"
-    "MAD R4.xyz, R4, R5, R6;\n"
+    "MAD R4.xyz, R4, R6, R5;\n"
     "MAD R4.xyz, -R1, R2, R4;\n"
     "MUL R2.xyz, R1, R2;\n"
     "SGE R3.xyz, R3, R0.w;\n"
@@ -2899,11 +2905,12 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_CONICAL_COMPOSITION_MO
 
 static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_CONICAL_COMPOSITION_MODES_SOFTLIGHT =
     "!!ARBfp1.0\n"
-    "PARAM c[12] = { program.local[0..7],\n"
+    "PARAM c[13] = { program.local[0..7],\n"
     "		{ 0.0020000001, -0.01348047, 0.05747731, 0.1212391 },\n"
     "		{ 0.1956359, 0.33299461, 0.99999559, 1.570796 },\n"
     "		{ 3.141593, 0.15915494, 1, 2 },\n"
-    "		{ 9.9999997e-006, 8, 3 } };\n"
+    "		{ 9.9999997e-006, 4, 16, 12 },\n"
+    "		{ 3 } };\n"
     "TEMP R0;\n"
     "TEMP R1;\n"
     "TEMP R2;\n"
@@ -2940,41 +2947,43 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_CONICAL_COMPOSITION_MO
     "ADD R0.w, -R0.z, c[10].x;\n"
     "CMP R0.x, R0, R0.w, R0.z;\n"
     "MUL R0.zw, fragment.position.xyxy, c[5].xyxy;\n"
-    "CMP R0.x, -R0.y, -R0, R0;\n"
     "TEX R1, R0.zwzw, texture[0], 2D;\n"
-    "MAX R0.y, R1.w, c[11].x;\n"
-    "RCP R2.w, R0.y;\n"
-    "MUL R5.xyz, R1, R2.w;\n"
-    "RSQ R2.x, R5.x;\n"
-    "RSQ R2.z, R5.z;\n"
-    "RSQ R2.y, R5.y;\n"
+    "CMP R0.x, -R0.y, -R0, R0;\n"
+    "MAX R0.z, R1.w, c[11].x;\n"
+    "RCP R2.x, R0.z;\n"
+    "MUL R3.xyz, R1, R2.x;\n"
+    "MAD R4.xyz, R3, c[11].z, -c[11].w;\n"
     "ADD R0.x, R0, c[0];\n"
     "MUL R0.x, R0, c[10].y;\n"
     "FLR R0.y, R0.x;\n"
     "ADD R0.x, R0, -R0.y;\n"
     "TEX R0, R0, texture[2], 1D;\n"
-    "MAD R3.xyz, R0, c[10].w, -R0.w;\n"
-    "MAD R6.xyz, -R5, c[11].y, c[11].z;\n"
-    "RCP R2.x, R2.x;\n"
-    "RCP R2.z, R2.z;\n"
-    "RCP R2.y, R2.y;\n"
-    "MAD R2.xyz, R1.w, R2, -R1;\n"
-    "MUL R2.xyz, R3, R2;\n"
-    "MAD R4.xyz, R0.w, R1, R2;\n"
-    "MAD R2.xyz, -R1, R2.w, c[10].z;\n"
-    "MUL R5.xyz, R2, R3;\n"
-    "MAD R6.xyz, -R5, R6, R0.w;\n"
-    "MAD R5.xyz, -R1, R6, R4;\n"
-    "MAD R2.xyz, -R2, R3, R0.w;\n"
+    "MAD R2.xyz, R0, c[10].w, -R0.w;\n"
+    "MAD R4.xyz, R3, R4, c[12].x;\n"
+    "MUL R5.xyz, R1.w, R2;\n"
+    "MUL R6.xyz, R5, R4;\n"
+    "RSQ R2.w, R3.x;\n"
+    "RCP R4.x, R2.w;\n"
+    "RSQ R2.w, R3.y;\n"
+    "RSQ R3.w, R3.z;\n"
+    "RCP R4.y, R2.w;\n"
+    "RCP R4.z, R3.w;\n"
+    "ADD R4.xyz, -R3, R4;\n"
+    "MUL R6.xyz, R3, R6;\n"
+    "MUL R4.xyz, R5, R4;\n"
+    "ADD R3.xyz, -R3, c[10].z;\n"
+    "MAD R2.xyz, R2, R3, R0.w;\n"
     "MUL R3.xyz, R0, c[10].w;\n"
+    "MAD R5.xyz, R0.w, R1, R6;\n"
+    "MAD R4.xyz, R0.w, R1, R4;\n"
+    "ADD R6.xyz, R4, -R5;\n"
     "MUL R4.xyz, R1, c[11].y;\n"
-    "SGE R3.xyz, R3, R0.w;\n"
-    "ADD R2.w, -R1, c[10].z;\n"
-    "MUL R6.xyz, R1, R6;\n"
     "SGE R4.xyz, R4, R1.w;\n"
-    "MAD R4.xyz, R4, R5, R6;\n"
+    "MAD R4.xyz, R4, R6, R5;\n"
     "MAD R4.xyz, -R1, R2, R4;\n"
+    "SGE R3.xyz, R3, R0.w;\n"
     "MUL R2.xyz, R1, R2;\n"
+    "ADD R2.w, -R1, c[10].z;\n"
     "MAD R2.xyz, R3, R4, R2;\n"
     "MAD R2.xyz, R0, R2.w, R2;\n"
     "ADD R0.x, -R0.w, c[10].z;\n"
@@ -3682,11 +3691,12 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_CONICAL_COMPOSITION_MO
 
 static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_CONICAL_COMPOSITION_MODES_SOFTLIGHT_NOMASK =
     "!!ARBfp1.0\n"
-    "PARAM c[9] = { program.local[0..4],\n"
+    "PARAM c[10] = { program.local[0..4],\n"
     "		{ 0.0020000001, -0.01348047, 0.05747731, 0.1212391 },\n"
     "		{ 0.1956359, 0.33299461, 0.99999559, 1.570796 },\n"
     "		{ 3.141593, 0.15915494, 1, 2 },\n"
-    "		{ 9.9999997e-006, 8, 3 } };\n"
+    "		{ 9.9999997e-006, 4, 16, 12 },\n"
+    "		{ 3 } };\n"
     "TEMP R0;\n"
     "TEMP R1;\n"
     "TEMP R2;\n"
@@ -3723,37 +3733,39 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_CONICAL_COMPOSITION_MO
     "ADD R0.w, -R0.z, c[7].x;\n"
     "CMP R0.x, R0, R0.w, R0.z;\n"
     "MUL R0.zw, fragment.position.xyxy, c[4].xyxy;\n"
-    "CMP R0.x, -R0.y, -R0, R0;\n"
     "TEX R1, R0.zwzw, texture[0], 2D;\n"
-    "MAX R0.y, R1.w, c[8].x;\n"
-    "RCP R2.w, R0.y;\n"
-    "MUL R5.xyz, R1, R2.w;\n"
-    "RSQ R2.x, R5.x;\n"
-    "RSQ R2.z, R5.z;\n"
-    "RSQ R2.y, R5.y;\n"
+    "CMP R0.x, -R0.y, -R0, R0;\n"
+    "MAX R0.z, R1.w, c[8].x;\n"
+    "RCP R2.x, R0.z;\n"
+    "MUL R3.xyz, R1, R2.x;\n"
+    "MAD R4.xyz, R3, c[8].z, -c[8].w;\n"
     "ADD R0.x, R0, c[0];\n"
     "MUL R0.x, R0, c[7].y;\n"
     "FLR R0.y, R0.x;\n"
     "ADD R0.x, R0, -R0.y;\n"
     "TEX R0, R0, texture[1], 1D;\n"
-    "MAD R3.xyz, R0, c[7].w, -R0.w;\n"
-    "MAD R6.xyz, -R5, c[8].y, c[8].z;\n"
-    "RCP R2.x, R2.x;\n"
-    "RCP R2.z, R2.z;\n"
-    "RCP R2.y, R2.y;\n"
-    "MAD R2.xyz, R1.w, R2, -R1;\n"
-    "MUL R2.xyz, R3, R2;\n"
-    "MAD R4.xyz, R0.w, R1, R2;\n"
-    "MAD R2.xyz, -R1, R2.w, c[7].z;\n"
-    "MUL R5.xyz, R2, R3;\n"
-    "MAD R2.xyz, -R2, R3, R0.w;\n"
-    "MAD R6.xyz, -R5, R6, R0.w;\n"
-    "MAD R5.xyz, -R1, R6, R4;\n"
+    "MAD R2.xyz, R0, c[7].w, -R0.w;\n"
+    "MAD R4.xyz, R3, R4, c[9].x;\n"
+    "MUL R5.xyz, R1.w, R2;\n"
+    "MUL R6.xyz, R5, R4;\n"
+    "RSQ R2.w, R3.x;\n"
+    "RCP R4.x, R2.w;\n"
+    "RSQ R2.w, R3.y;\n"
+    "RSQ R3.w, R3.z;\n"
+    "RCP R4.y, R2.w;\n"
+    "RCP R4.z, R3.w;\n"
+    "ADD R4.xyz, -R3, R4;\n"
+    "MUL R6.xyz, R3, R6;\n"
+    "MUL R4.xyz, R5, R4;\n"
+    "ADD R3.xyz, -R3, c[7].z;\n"
+    "MAD R2.xyz, R2, R3, R0.w;\n"
     "MUL R3.xyz, R0, c[7].w;\n"
+    "MAD R5.xyz, R0.w, R1, R6;\n"
+    "MAD R4.xyz, R0.w, R1, R4;\n"
+    "ADD R6.xyz, R4, -R5;\n"
     "MUL R4.xyz, R1, c[8].y;\n"
-    "MUL R6.xyz, R1, R6;\n"
     "SGE R4.xyz, R4, R1.w;\n"
-    "MAD R4.xyz, R4, R5, R6;\n"
+    "MAD R4.xyz, R4, R6, R5;\n"
     "MAD R4.xyz, -R1, R2, R4;\n"
     "MUL R2.xyz, R1, R2;\n"
     "SGE R3.xyz, R3, R0.w;\n"
@@ -4356,8 +4368,8 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_LINEAR_COMPOSITION_MOD
 static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_LINEAR_COMPOSITION_MODES_SOFTLIGHT =
     "!!ARBfp1.0\n"
     "PARAM c[10] = { program.local[0..7],\n"
-    "		{ 1, 2, 9.9999997e-006, 8 },\n"
-    "		{ 3 } };\n"
+    "		{ 1, 2, 9.9999997e-006, 4 },\n"
+    "		{ 16, 12, 3 } };\n"
     "TEMP R0;\n"
     "TEMP R1;\n"
     "TEMP R2;\n"
@@ -4365,13 +4377,6 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_LINEAR_COMPOSITION_MOD
     "TEMP R4;\n"
     "TEMP R5;\n"
     "TEMP R6;\n"
-    "MUL R0.xy, fragment.position, c[5];\n"
-    "TEX R1, R0, texture[0], 2D;\n"
-    "MAX R0.w, R1, c[8].z;\n"
-    "RCP R2.w, R0.w;\n"
-    "MUL R2.xyz, R1, R2.w;\n"
-    "RSQ R0.w, R2.x;\n"
-    "MUL R5.xyz, -R2, c[8].w;\n"
     "MUL R0.xyz, fragment.position.y, c[2];\n"
     "MAD R0.xyz, fragment.position.x, c[1], R0;\n"
     "ADD R0.xyz, R0, c[3];\n"
@@ -4379,32 +4384,40 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_LINEAR_COMPOSITION_MOD
     "MUL R0.xy, R0, R0.z;\n"
     "MUL R0.xy, R0, c[0];\n"
     "ADD R0.x, R0, R0.y;\n"
-    "RSQ R0.z, R2.y;\n"
-    "RSQ R0.y, R2.z;\n"
-    "MAD R2.xyz, -R1, R2.w, c[8].x;\n"
-    "RCP R3.x, R0.w;\n"
-    "RCP R3.y, R0.z;\n"
-    "RCP R3.z, R0.y;\n"
+    "MUL R1.xy, fragment.position, c[5];\n"
+    "TEX R1, R1, texture[0], 2D;\n"
+    "MAX R0.z, R1.w, c[8];\n"
+    "RCP R0.z, R0.z;\n"
+    "MUL R3.xyz, R1, R0.z;\n"
+    "MAD R2.xyz, R3, c[9].x, -c[9].y;\n"
     "MUL R0.x, R0, c[0].z;\n"
     "TEX R0, R0, texture[2], 1D;\n"
-    "MAD R4.xyz, R1.w, R3, -R1;\n"
-    "MAD R3.xyz, R0, c[8].y, -R0.w;\n"
-    "MUL R4.xyz, R3, R4;\n"
-    "ADD R6.xyz, R5, c[9].x;\n"
-    "MUL R5.xyz, R2, R3;\n"
-    "MAD R2.xyz, -R2, R3, R0.w;\n"
+    "MAD R4.xyz, R3, R2, c[9].z;\n"
+    "MAD R2.xyz, R0, c[8].y, -R0.w;\n"
+    "MUL R5.xyz, R1.w, R2;\n"
+    "MUL R6.xyz, R5, R4;\n"
+    "RSQ R2.w, R3.x;\n"
+    "RCP R4.x, R2.w;\n"
+    "RSQ R2.w, R3.y;\n"
+    "RSQ R3.w, R3.z;\n"
+    "RCP R4.y, R2.w;\n"
+    "RCP R4.z, R3.w;\n"
+    "ADD R4.xyz, -R3, R4;\n"
+    "MUL R6.xyz, R3, R6;\n"
+    "MUL R4.xyz, R5, R4;\n"
+    "ADD R3.xyz, -R3, c[8].x;\n"
+    "MAD R2.xyz, R2, R3, R0.w;\n"
     "MUL R3.xyz, R0, c[8].y;\n"
-    "MAD R6.xyz, -R5, R6, R0.w;\n"
+    "MAD R5.xyz, R0.w, R1, R6;\n"
     "MAD R4.xyz, R0.w, R1, R4;\n"
-    "MAD R5.xyz, -R1, R6, R4;\n"
+    "ADD R6.xyz, R4, -R5;\n"
     "MUL R4.xyz, R1, c[8].w;\n"
-    "SGE R3.xyz, R3, R0.w;\n"
-    "ADD R2.w, -R1, c[8].x;\n"
-    "MUL R6.xyz, R1, R6;\n"
     "SGE R4.xyz, R4, R1.w;\n"
-    "MAD R4.xyz, R4, R5, R6;\n"
+    "MAD R4.xyz, R4, R6, R5;\n"
     "MAD R4.xyz, -R1, R2, R4;\n"
+    "SGE R3.xyz, R3, R0.w;\n"
     "MUL R2.xyz, R1, R2;\n"
+    "ADD R2.w, -R1, c[8].x;\n"
     "MAD R2.xyz, R3, R4, R2;\n"
     "MAD R2.xyz, R0, R2.w, R2;\n"
     "ADD R0.x, -R0.w, c[8];\n"
@@ -4815,8 +4828,8 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_LINEAR_COMPOSITION_MOD
 static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_LINEAR_COMPOSITION_MODES_SOFTLIGHT_NOMASK =
     "!!ARBfp1.0\n"
     "PARAM c[7] = { program.local[0..4],\n"
-    "		{ 1, 2, 9.9999997e-006, 8 },\n"
-    "		{ 3 } };\n"
+    "		{ 1, 2, 9.9999997e-006, 4 },\n"
+    "		{ 16, 12, 3 } };\n"
     "TEMP R0;\n"
     "TEMP R1;\n"
     "TEMP R2;\n"
@@ -4824,13 +4837,6 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_LINEAR_COMPOSITION_MOD
     "TEMP R4;\n"
     "TEMP R5;\n"
     "TEMP R6;\n"
-    "MUL R0.xy, fragment.position, c[4];\n"
-    "TEX R1, R0, texture[0], 2D;\n"
-    "MAX R0.w, R1, c[5].z;\n"
-    "RCP R2.w, R0.w;\n"
-    "MUL R2.xyz, R1, R2.w;\n"
-    "RSQ R0.w, R2.x;\n"
-    "MUL R5.xyz, -R2, c[5].w;\n"
     "MUL R0.xyz, fragment.position.y, c[2];\n"
     "MAD R0.xyz, fragment.position.x, c[1], R0;\n"
     "ADD R0.xyz, R0, c[3];\n"
@@ -4838,28 +4844,36 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_LINEAR_COMPOSITION_MOD
     "MUL R0.xy, R0, R0.z;\n"
     "MUL R0.xy, R0, c[0];\n"
     "ADD R0.x, R0, R0.y;\n"
-    "RSQ R0.z, R2.y;\n"
-    "RSQ R0.y, R2.z;\n"
-    "MAD R2.xyz, -R1, R2.w, c[5].x;\n"
-    "RCP R3.x, R0.w;\n"
-    "RCP R3.y, R0.z;\n"
-    "RCP R3.z, R0.y;\n"
+    "MUL R1.xy, fragment.position, c[4];\n"
+    "TEX R1, R1, texture[0], 2D;\n"
+    "MAX R0.z, R1.w, c[5];\n"
+    "RCP R0.z, R0.z;\n"
+    "MUL R3.xyz, R1, R0.z;\n"
+    "MAD R2.xyz, R3, c[6].x, -c[6].y;\n"
     "MUL R0.x, R0, c[0].z;\n"
     "TEX R0, R0, texture[1], 1D;\n"
-    "MAD R4.xyz, R1.w, R3, -R1;\n"
-    "MAD R3.xyz, R0, c[5].y, -R0.w;\n"
-    "MUL R4.xyz, R3, R4;\n"
-    "ADD R6.xyz, R5, c[6].x;\n"
-    "MUL R5.xyz, R2, R3;\n"
-    "MAD R2.xyz, -R2, R3, R0.w;\n"
+    "MAD R4.xyz, R3, R2, c[6].z;\n"
+    "MAD R2.xyz, R0, c[5].y, -R0.w;\n"
+    "MUL R5.xyz, R1.w, R2;\n"
+    "MUL R6.xyz, R5, R4;\n"
+    "RSQ R2.w, R3.x;\n"
+    "RCP R4.x, R2.w;\n"
+    "RSQ R2.w, R3.y;\n"
+    "RSQ R3.w, R3.z;\n"
+    "RCP R4.y, R2.w;\n"
+    "RCP R4.z, R3.w;\n"
+    "ADD R4.xyz, -R3, R4;\n"
+    "MUL R6.xyz, R3, R6;\n"
+    "MUL R4.xyz, R5, R4;\n"
+    "ADD R3.xyz, -R3, c[5].x;\n"
+    "MAD R2.xyz, R2, R3, R0.w;\n"
     "MUL R3.xyz, R0, c[5].y;\n"
-    "MAD R6.xyz, -R5, R6, R0.w;\n"
+    "MAD R5.xyz, R0.w, R1, R6;\n"
     "MAD R4.xyz, R0.w, R1, R4;\n"
-    "MAD R5.xyz, -R1, R6, R4;\n"
+    "ADD R6.xyz, R4, -R5;\n"
     "MUL R4.xyz, R1, c[5].w;\n"
-    "MUL R6.xyz, R1, R6;\n"
     "SGE R4.xyz, R4, R1.w;\n"
-    "MAD R4.xyz, R4, R5, R6;\n"
+    "MAD R4.xyz, R4, R6, R5;\n"
     "MAD R4.xyz, -R1, R2, R4;\n"
     "MUL R2.xyz, R1, R2;\n"
     "SGE R3.xyz, R3, R0.w;\n"
@@ -5333,8 +5347,8 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_TEXTURE_COMPOSITION_MO
 static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_TEXTURE_COMPOSITION_MODES_SOFTLIGHT =
     "!!ARBfp1.0\n"
     "PARAM c[10] = { program.local[0..7],\n"
-    "		{ 1, 2, 9.9999997e-006, 8 },\n"
-    "		{ 3 } };\n"
+    "		{ 1, 2, 9.9999997e-006, 4 },\n"
+    "		{ 16, 12, 3 } };\n"
     "TEMP R0;\n"
     "TEMP R1;\n"
     "TEMP R2;\n"
@@ -5342,44 +5356,45 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_TEXTURE_COMPOSITION_MO
     "TEMP R4;\n"
     "TEMP R5;\n"
     "TEMP R6;\n"
-    "MUL R0.xy, fragment.position, c[5];\n"
-    "TEX R1, R0, texture[0], 2D;\n"
-    "MAX R0.x, R1.w, c[8].z;\n"
-    "RCP R2.w, R0.x;\n"
-    "MUL R2.xyz, R1, R2.w;\n"
-    "RSQ R0.w, R2.x;\n"
-    "RCP R3.x, R0.w;\n"
-    "RSQ R0.w, R2.y;\n"
-    "MUL R5.xyz, -R2, c[8].w;\n"
     "MUL R0.xyz, fragment.position.y, c[2];\n"
+    "MUL R1.xy, fragment.position, c[5];\n"
+    "TEX R1, R1, texture[0], 2D;\n"
     "MAD R0.xyz, fragment.position.x, c[1], R0;\n"
     "ADD R0.xyz, R0, c[3];\n"
     "RCP R0.z, R0.z;\n"
     "MUL R0.xy, R0, R0.z;\n"
-    "RSQ R0.z, R2.z;\n"
-    "MAD R2.xyz, -R1, R2.w, c[8].x;\n"
-    "RCP R3.y, R0.w;\n"
-    "RCP R3.z, R0.z;\n"
+    "MAX R0.w, R1, c[8].z;\n"
+    "RCP R0.w, R0.w;\n"
+    "MUL R3.xyz, R1, R0.w;\n"
+    "MAD R2.xyz, R3, c[9].x, -c[9].y;\n"
     "MUL R0.xy, R0, c[0];\n"
     "TEX R0, R0, texture[2], 2D;\n"
-    "MAD R4.xyz, R1.w, R3, -R1;\n"
-    "MAD R3.xyz, R0, c[8].y, -R0.w;\n"
-    "MUL R4.xyz, R3, R4;\n"
-    "ADD R6.xyz, R5, c[9].x;\n"
-    "MUL R5.xyz, R2, R3;\n"
-    "MAD R2.xyz, -R2, R3, R0.w;\n"
+    "MAD R4.xyz, R3, R2, c[9].z;\n"
+    "MAD R2.xyz, R0, c[8].y, -R0.w;\n"
+    "MUL R5.xyz, R1.w, R2;\n"
+    "MUL R6.xyz, R5, R4;\n"
+    "RSQ R2.w, R3.x;\n"
+    "RCP R4.x, R2.w;\n"
+    "RSQ R2.w, R3.y;\n"
+    "RSQ R3.w, R3.z;\n"
+    "RCP R4.y, R2.w;\n"
+    "RCP R4.z, R3.w;\n"
+    "ADD R4.xyz, -R3, R4;\n"
+    "MUL R6.xyz, R3, R6;\n"
+    "MUL R4.xyz, R5, R4;\n"
+    "ADD R3.xyz, -R3, c[8].x;\n"
+    "MAD R2.xyz, R2, R3, R0.w;\n"
     "MUL R3.xyz, R0, c[8].y;\n"
-    "MAD R6.xyz, -R5, R6, R0.w;\n"
+    "MAD R5.xyz, R0.w, R1, R6;\n"
     "MAD R4.xyz, R0.w, R1, R4;\n"
-    "MAD R5.xyz, -R1, R6, R4;\n"
+    "ADD R6.xyz, R4, -R5;\n"
     "MUL R4.xyz, R1, c[8].w;\n"
-    "SGE R3.xyz, R3, R0.w;\n"
-    "ADD R2.w, -R1, c[8].x;\n"
-    "MUL R6.xyz, R1, R6;\n"
     "SGE R4.xyz, R4, R1.w;\n"
-    "MAD R4.xyz, R4, R5, R6;\n"
+    "MAD R4.xyz, R4, R6, R5;\n"
     "MAD R4.xyz, -R1, R2, R4;\n"
+    "SGE R3.xyz, R3, R0.w;\n"
     "MUL R2.xyz, R1, R2;\n"
+    "ADD R2.w, -R1, c[8].x;\n"
     "MAD R2.xyz, R3, R4, R2;\n"
     "MAD R2.xyz, R0, R2.w, R2;\n"
     "ADD R0.x, -R0.w, c[8];\n"
@@ -5768,8 +5783,8 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_TEXTURE_COMPOSITION_MO
 static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_TEXTURE_COMPOSITION_MODES_SOFTLIGHT_NOMASK =
     "!!ARBfp1.0\n"
     "PARAM c[7] = { program.local[0..4],\n"
-    "		{ 1, 2, 9.9999997e-006, 8 },\n"
-    "		{ 3 } };\n"
+    "		{ 1, 2, 9.9999997e-006, 4 },\n"
+    "		{ 16, 12, 3 } };\n"
     "TEMP R0;\n"
     "TEMP R1;\n"
     "TEMP R2;\n"
@@ -5777,40 +5792,41 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_TEXTURE_COMPOSITION_MO
     "TEMP R4;\n"
     "TEMP R5;\n"
     "TEMP R6;\n"
-    "MUL R0.xy, fragment.position, c[4];\n"
-    "TEX R1, R0, texture[0], 2D;\n"
-    "MAX R0.x, R1.w, c[5].z;\n"
-    "RCP R2.w, R0.x;\n"
-    "MUL R2.xyz, R1, R2.w;\n"
-    "RSQ R0.w, R2.x;\n"
-    "RCP R3.x, R0.w;\n"
-    "RSQ R0.w, R2.y;\n"
-    "MUL R5.xyz, -R2, c[5].w;\n"
     "MUL R0.xyz, fragment.position.y, c[2];\n"
+    "MUL R1.xy, fragment.position, c[4];\n"
+    "TEX R1, R1, texture[0], 2D;\n"
     "MAD R0.xyz, fragment.position.x, c[1], R0;\n"
     "ADD R0.xyz, R0, c[3];\n"
     "RCP R0.z, R0.z;\n"
     "MUL R0.xy, R0, R0.z;\n"
-    "RSQ R0.z, R2.z;\n"
-    "MAD R2.xyz, -R1, R2.w, c[5].x;\n"
-    "RCP R3.y, R0.w;\n"
-    "RCP R3.z, R0.z;\n"
+    "MAX R0.w, R1, c[5].z;\n"
+    "RCP R0.w, R0.w;\n"
+    "MUL R3.xyz, R1, R0.w;\n"
+    "MAD R2.xyz, R3, c[6].x, -c[6].y;\n"
     "MUL R0.xy, R0, c[0];\n"
     "TEX R0, R0, texture[1], 2D;\n"
-    "MAD R4.xyz, R1.w, R3, -R1;\n"
-    "MAD R3.xyz, R0, c[5].y, -R0.w;\n"
-    "MUL R4.xyz, R3, R4;\n"
-    "ADD R6.xyz, R5, c[6].x;\n"
-    "MUL R5.xyz, R2, R3;\n"
-    "MAD R2.xyz, -R2, R3, R0.w;\n"
+    "MAD R4.xyz, R3, R2, c[6].z;\n"
+    "MAD R2.xyz, R0, c[5].y, -R0.w;\n"
+    "MUL R5.xyz, R1.w, R2;\n"
+    "MUL R6.xyz, R5, R4;\n"
+    "RSQ R2.w, R3.x;\n"
+    "RCP R4.x, R2.w;\n"
+    "RSQ R2.w, R3.y;\n"
+    "RSQ R3.w, R3.z;\n"
+    "RCP R4.y, R2.w;\n"
+    "RCP R4.z, R3.w;\n"
+    "ADD R4.xyz, -R3, R4;\n"
+    "MUL R6.xyz, R3, R6;\n"
+    "MUL R4.xyz, R5, R4;\n"
+    "ADD R3.xyz, -R3, c[5].x;\n"
+    "MAD R2.xyz, R2, R3, R0.w;\n"
     "MUL R3.xyz, R0, c[5].y;\n"
-    "MAD R6.xyz, -R5, R6, R0.w;\n"
+    "MAD R5.xyz, R0.w, R1, R6;\n"
     "MAD R4.xyz, R0.w, R1, R4;\n"
-    "MAD R5.xyz, -R1, R6, R4;\n"
+    "ADD R6.xyz, R4, -R5;\n"
     "MUL R4.xyz, R1, c[5].w;\n"
-    "MUL R6.xyz, R1, R6;\n"
     "SGE R4.xyz, R4, R1.w;\n"
-    "MAD R4.xyz, R4, R5, R6;\n"
+    "MAD R4.xyz, R4, R6, R5;\n"
     "MAD R4.xyz, -R1, R2, R4;\n"
     "MUL R2.xyz, R1, R2;\n"
     "SGE R3.xyz, R3, R0.w;\n"
@@ -6295,8 +6311,8 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_PATTERN_COMPOSITION_MO
 static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_PATTERN_COMPOSITION_MODES_SOFTLIGHT =
     "!!ARBfp1.0\n"
     "PARAM c[10] = { program.local[0..7],\n"
-    "		{ 1, 2, 9.9999997e-006, 8 },\n"
-    "		{ 3 } };\n"
+    "		{ 1, 2, 9.9999997e-006, 4 },\n"
+    "		{ 16, 12, 3 } };\n"
     "TEMP R0;\n"
     "TEMP R1;\n"
     "TEMP R2;\n"
@@ -6304,46 +6320,47 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_PATTERN_COMPOSITION_MO
     "TEMP R4;\n"
     "TEMP R5;\n"
     "TEMP R6;\n"
-    "MUL R0.xy, fragment.position, c[5];\n"
-    "TEX R0, R0, texture[0], 2D;\n"
-    "MAX R1.w, R0, c[8].z;\n"
-    "RCP R2.w, R1.w;\n"
-    "MUL R2.xyz, R0, R2.w;\n"
-    "RSQ R1.w, R2.x;\n"
-    "MUL R5.xyz, -R2, c[8].w;\n"
-    "MUL R1.xyz, fragment.position.y, c[2];\n"
-    "MAD R1.xyz, fragment.position.x, c[1], R1;\n"
-    "ADD R1.xyz, R1, c[3];\n"
+    "MUL R0.xyz, fragment.position.y, c[2];\n"
+    "MAD R0.xyz, fragment.position.x, c[1], R0;\n"
+    "ADD R1.xyz, R0, c[3];\n"
     "RCP R1.z, R1.z;\n"
     "MUL R1.xy, R1, R1.z;\n"
     "MUL R1.xy, R1, c[0];\n"
     "TEX R1.x, R1, texture[2], 2D;\n"
-    "RSQ R1.z, R2.y;\n"
-    "RSQ R1.y, R2.z;\n"
-    "MAD R2.xyz, -R0, R2.w, c[8].x;\n"
-    "RCP R3.x, R1.w;\n"
-    "RCP R3.y, R1.z;\n"
-    "RCP R3.z, R1.y;\n"
+    "MUL R0.xy, fragment.position, c[5];\n"
+    "TEX R0, R0, texture[0], 2D;\n"
+    "MAX R1.z, R0.w, c[8];\n"
+    "RCP R1.z, R1.z;\n"
+    "MUL R3.xyz, R0, R1.z;\n"
+    "MAD R2.xyz, R3, c[9].x, -c[9].y;\n"
     "ADD R1.x, -R1, c[8];\n"
     "MUL R1, fragment.color.primary, R1.x;\n"
-    "MAD R4.xyz, R0.w, R3, -R0;\n"
-    "MAD R3.xyz, R1, c[8].y, -R1.w;\n"
-    "MUL R4.xyz, R3, R4;\n"
-    "ADD R6.xyz, R5, c[9].x;\n"
-    "MUL R5.xyz, R2, R3;\n"
-    "MAD R2.xyz, -R2, R3, R1.w;\n"
+    "MAD R4.xyz, R3, R2, c[9].z;\n"
+    "MAD R2.xyz, R1, c[8].y, -R1.w;\n"
+    "MUL R5.xyz, R0.w, R2;\n"
+    "MUL R6.xyz, R5, R4;\n"
+    "RSQ R2.w, R3.x;\n"
+    "RCP R4.x, R2.w;\n"
+    "RSQ R2.w, R3.y;\n"
+    "RSQ R3.w, R3.z;\n"
+    "RCP R4.y, R2.w;\n"
+    "RCP R4.z, R3.w;\n"
+    "ADD R4.xyz, -R3, R4;\n"
+    "MUL R6.xyz, R3, R6;\n"
+    "MUL R4.xyz, R5, R4;\n"
+    "ADD R3.xyz, -R3, c[8].x;\n"
+    "MAD R2.xyz, R2, R3, R1.w;\n"
     "MUL R3.xyz, R1, c[8].y;\n"
-    "MAD R6.xyz, -R5, R6, R1.w;\n"
+    "MAD R5.xyz, R1.w, R0, R6;\n"
     "MAD R4.xyz, R1.w, R0, R4;\n"
-    "MAD R5.xyz, -R0, R6, R4;\n"
+    "ADD R6.xyz, R4, -R5;\n"
     "MUL R4.xyz, R0, c[8].w;\n"
-    "SGE R3.xyz, R3, R1.w;\n"
-    "ADD R2.w, -R0, c[8].x;\n"
-    "MUL R6.xyz, R0, R6;\n"
     "SGE R4.xyz, R4, R0.w;\n"
-    "MAD R4.xyz, R4, R5, R6;\n"
+    "MAD R4.xyz, R4, R6, R5;\n"
     "MAD R4.xyz, -R0, R2, R4;\n"
+    "SGE R3.xyz, R3, R1.w;\n"
     "MUL R2.xyz, R0, R2;\n"
+    "ADD R2.w, -R0, c[8].x;\n"
     "MAD R2.xyz, R3, R4, R2;\n"
     "MAD R2.xyz, R1, R2.w, R2;\n"
     "ADD R1.x, -R1.w, c[8];\n"
@@ -6755,8 +6772,8 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_PATTERN_COMPOSITION_MO
 static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_PATTERN_COMPOSITION_MODES_SOFTLIGHT_NOMASK =
     "!!ARBfp1.0\n"
     "PARAM c[7] = { program.local[0..4],\n"
-    "		{ 1, 2, 9.9999997e-006, 8 },\n"
-    "		{ 3 } };\n"
+    "		{ 1, 2, 9.9999997e-006, 4 },\n"
+    "		{ 16, 12, 3 } };\n"
     "TEMP R0;\n"
     "TEMP R1;\n"
     "TEMP R2;\n"
@@ -6764,42 +6781,43 @@ static const char *FragmentProgram_FRAGMENT_PROGRAM_BRUSH_PATTERN_COMPOSITION_MO
     "TEMP R4;\n"
     "TEMP R5;\n"
     "TEMP R6;\n"
-    "MUL R0.xy, fragment.position, c[4];\n"
-    "TEX R0, R0, texture[0], 2D;\n"
-    "MAX R1.w, R0, c[5].z;\n"
-    "RCP R2.w, R1.w;\n"
-    "MUL R2.xyz, R0, R2.w;\n"
-    "RSQ R1.w, R2.x;\n"
-    "MUL R5.xyz, -R2, c[5].w;\n"
-    "MUL R1.xyz, fragment.position.y, c[2];\n"
-    "MAD R1.xyz, fragment.position.x, c[1], R1;\n"
-    "ADD R1.xyz, R1, c[3];\n"
+    "MUL R0.xyz, fragment.position.y, c[2];\n"
+    "MAD R0.xyz, fragment.position.x, c[1], R0;\n"
+    "ADD R1.xyz, R0, c[3];\n"
     "RCP R1.z, R1.z;\n"
     "MUL R1.xy, R1, R1.z;\n"
     "MUL R1.xy, R1, c[0];\n"
     "TEX R1.x, R1, texture[1], 2D;\n"
-    "RSQ R1.z, R2.y;\n"
-    "RSQ R1.y, R2.z;\n"
-    "MAD R2.xyz, -R0, R2.w, c[5].x;\n"
-    "RCP R3.x, R1.w;\n"
-    "RCP R3.y, R1.z;\n"
-    "RCP R3.z, R1.y;\n"
+    "MUL R0.xy, fragment.position, c[4];\n"
+    "TEX R0, R0, texture[0], 2D;\n"
+    "MAX R1.z, R0.w, c[5];\n"
+    "RCP R1.z, R1.z;\n"
+    "MUL R3.xyz, R0, R1.z;\n"
+    "MAD R2.xyz, R3, c[6].x, -c[6].y;\n"
     "ADD R1.x, -R1, c[5];\n"
     "MUL R1, fragment.color.primary, R1.x;\n"
-    "MAD R4.xyz, R0.w, R3, -R0;\n"
-    "MAD R3.xyz, R1, c[5].y, -R1.w;\n"
-    "MUL R4.xyz, R3, R4;\n"
-    "ADD R6.xyz, R5, c[6].x;\n"
-    "MUL R5.xyz, R2, R3;\n"
-    "MAD R2.xyz, -R2, R3, R1.w;\n"
+    "MAD R4.xyz, R3, R2, c[6].z;\n"
+    "MAD R2.xyz, R1, c[5].y, -R1.w;\n"
+    "MUL R5.xyz, R0.w, R2;\n"
+    "MUL R6.xyz, R5, R4;\n"
+    "RSQ R2.w, R3.x;\n"
+    "RCP R4.x, R2.w;\n"
+    "RSQ R2.w, R3.y;\n"
+    "RSQ R3.w, R3.z;\n"
+    "RCP R4.y, R2.w;\n"
+    "RCP R4.z, R3.w;\n"
+    "ADD R4.xyz, -R3, R4;\n"
+    "MUL R6.xyz, R3, R6;\n"
+    "MUL R4.xyz, R5, R4;\n"
+    "ADD R3.xyz, -R3, c[5].x;\n"
+    "MAD R2.xyz, R2, R3, R1.w;\n"
     "MUL R3.xyz, R1, c[5].y;\n"
-    "MAD R6.xyz, -R5, R6, R1.w;\n"
+    "MAD R5.xyz, R1.w, R0, R6;\n"
     "MAD R4.xyz, R1.w, R0, R4;\n"
-    "MAD R5.xyz, -R0, R6, R4;\n"
+    "ADD R6.xyz, R4, -R5;\n"
     "MUL R4.xyz, R0, c[5].w;\n"
-    "MUL R6.xyz, R0, R6;\n"
     "SGE R4.xyz, R4, R0.w;\n"
-    "MAD R4.xyz, R4, R5, R6;\n"
+    "MAD R4.xyz, R4, R6, R5;\n"
     "MAD R4.xyz, -R0, R2, R4;\n"
     "MUL R2.xyz, R0, R2;\n"
     "SGE R3.xyz, R3, R1.w;\n"