fontconfig plink libX11 libxcb mesa git update 19 July 2014

plink revision 10207
xserver          commit cfa302d6224d10860e60491333950544c4fb9b04
libxcb           commit 49a61c8b459ab19c7f39e653bbb0d0339ea8f00f
libX11           commit 5525e8433f93bce464412f27cffa203ea628f368
fontconfig       commit 6781c6baef062eeea5b5b68e4a9c31ea6cd7539b
mesa             commit f6fc80734533140a69b30361fe0d4773a03515db

7 files changed, 156 insertions, 128 deletions

diff --git a/xorg-server/mi/mi.h b/xorg-server/mi/mi.h
index 1209a16c4..feba5cb0c 100644
--- a/xorg-server/mi/mi.h
+++ b/xorg-server/mi/mi.h
@@ -67,6 +67,11 @@ typedef struct _miDash *miDashPtr;
 
 /* miarc.c */
 
+extern _X_EXPORT void miWideArc(DrawablePtr pDraw,
+                                GCPtr pGC,
+                                int narcs,
+                                xArc * parcs);
+
 extern _X_EXPORT void miPolyArc(DrawablePtr /*pDraw */ ,
                                 GCPtr /*pGC */ ,
                                 int /*narcs */ ,
@@ -265,22 +270,22 @@ extern _X_EXPORT void miPolyFillRect(DrawablePtr /*pDrawable */ ,
 
 /* miglblt.c */
 
-extern _X_EXPORT void miPolyGlyphBlt(DrawablePtr /*pDrawable */ ,
-                                     GCPtr /*pGC */ ,
-                                     int /*x */ ,
-                                     int /*y */ ,
-                                     unsigned int /*nglyph */ ,
-                                     CharInfoPtr * /*ppci */ ,
-                                     void */*pglyphBase */
+extern _X_EXPORT void miPolyGlyphBlt(DrawablePtr pDrawable,
+                                     GCPtr pGC,
+                                     int x,
+                                     int y,
+                                     unsigned int nglyph,
+                                     CharInfoPtr *ppci,
+                                     void *pglyphBase
     );
 
-extern _X_EXPORT void miImageGlyphBlt(DrawablePtr /*pDrawable */ ,
-                                      GCPtr /*pGC */ ,
-                                      int /*x */ ,
-                                      int /*y */ ,
-                                      unsigned int /*nglyph */ ,
-                                      CharInfoPtr * /*ppci */ ,
-                                      void */*pglyphBase */
+extern _X_EXPORT void miImageGlyphBlt(DrawablePtr pDrawable,
+                                      GCPtr pGC,
+                                      int x,
+                                      int y,
+                                      unsigned int nglyph,
+                                      CharInfoPtr *ppci,
+                                      void *pglyphBase
     );
 
 /* mipoly.c */
@@ -381,36 +386,36 @@ extern _X_EXPORT void miPushPixels(GCPtr /*pGC */ ,
 
 /* miscrinit.c */
 
-extern _X_EXPORT Bool miModifyPixmapHeader(PixmapPtr /*pPixmap */ ,
-                                           int /*width */ ,
-                                           int /*height */ ,
-                                           int /*depth */ ,
-                                           int /*bitsPerPixel */ ,
-                                           int /*devKind */ ,
-                                           void */*pPixData */
+extern _X_EXPORT Bool miModifyPixmapHeader(PixmapPtr pPixmap,
+                                           int width,
+                                           int height,
+                                           int depth,
+                                           int bitsPerPixel,
+                                           int devKind,
+                                           void *pPixData
     );
 
 extern _X_EXPORT Bool miCreateScreenResources(ScreenPtr /*pScreen */
     );
 
-extern _X_EXPORT Bool miScreenDevPrivateInit(ScreenPtr /*pScreen */ ,
-                                             int /*width */ ,
-                                             void */*pbits */
+extern _X_EXPORT Bool miScreenDevPrivateInit(ScreenPtr pScreen,
+                                             int width,
+                                             void *pbits
     );
 
-extern _X_EXPORT Bool miScreenInit(ScreenPtr /*pScreen */ ,
-                                   void */*pbits */ ,
-                                   int /*xsize */ ,
-                                   int /*ysize */ ,
-                                   int /*dpix */ ,
-                                   int /*dpiy */ ,
-                                   int /*width */ ,
-                                   int /*rootDepth */ ,
-                                   int /*numDepths */ ,
-                                   DepthPtr /*depths */ ,
-                                   VisualID /*rootVisual */ ,
-                                   int /*numVisuals */ ,
-                                   VisualPtr    /*visuals */
+extern _X_EXPORT Bool miScreenInit(ScreenPtr pScreen,
+                                   void *pbits,
+                                   int xsize,
+                                   int ysize,
+                                   int dpix,
+                                   int dpiy,
+                                   int width,
+                                   int rootDepth,
+                                   int numDepths,
+                                   DepthPtr depths,
+                                   VisualID rootVisual,
+                                   int numVisuals,
+                                   VisualPtr visuals
     );
 
 /* mivaltree.c */
@@ -452,6 +457,12 @@ extern _X_EXPORT void miWideDash(DrawablePtr /*pDrawable */ ,
                                  DDXPointPtr    /*pPts */
     );
 
+extern _X_EXPORT void miPolylines(DrawablePtr pDrawable,
+                                  GCPtr pGC,
+                                  int mode,
+                                  int npt,
+                                  DDXPointPtr pPts);
+
 /* miwindow.c */
 
 extern _X_EXPORT void miClearToBackground(WindowPtr /*pWin */ ,
diff --git a/xorg-server/mi/miarc.c b/xorg-server/mi/miarc.c
index 0f56c7db3..e55108a44 100644
--- a/xorg-server/mi/miarc.c
+++ b/xorg-server/mi/miarc.c
@@ -886,7 +886,7 @@ miFillWideEllipse(DrawablePtr pDraw, GCPtr pGC, xArc * parc)
  */
 
 void
-miPolyArc(DrawablePtr pDraw, GCPtr pGC, int narcs, xArc * parcs)
+miWideArc(DrawablePtr pDraw, GCPtr pGC, int narcs, xArc * parcs)
 {
     int i;
     xArc *parc;
@@ -3396,3 +3396,12 @@ drawQuadrant(struct arc_def *def,
         y--;
     }
 }
+
+void
+miPolyArc(DrawablePtr pDraw, GCPtr pGC, int narcs, xArc * parcs)
+{
+    if (pGC->lineWidth == 0)
+        miZeroPolyArc(pDraw, pGC, narcs, parcs);
+    else
+        miWideArc(pDraw, pGC, narcs, parcs);
+}
diff --git a/xorg-server/mi/mifillarc.c b/xorg-server/mi/mifillarc.c
index 337343dd1..08484d703 100644
--- a/xorg-server/mi/mifillarc.c
+++ b/xorg-server/mi/mifillarc.c
@@ -476,26 +476,16 @@ miFillArcSliceSetup(xArc * arc, miArcSliceRec * slice, GCPtr pGC)
 	*wids++ = slw; \
     }
 
-static void
-miFillEllipseI(DrawablePtr pDraw, GCPtr pGC, xArc * arc)
+static int
+miFillEllipseI(DrawablePtr pDraw, GCPtr pGC, xArc * arc, DDXPointPtr points, int *widths)
 {
     int x, y, e;
     int yk, xk, ym, xm, dx, dy, xorg, yorg;
     int slw;
     miFillArcRec info;
-    DDXPointPtr points;
     DDXPointPtr pts;
-    int *widths;
     int *wids;
 
-    points = malloc(sizeof(DDXPointRec) * arc->height);
-    if (!points)
-        return;
-    widths = malloc(sizeof(int) * arc->height);
-    if (!widths) {
-        free(points);
-        return;
-    }
     miFillArcSetup(arc, &info);
     MIFILLARCSETUP();
     if (pGC->miTranslate) {
@@ -508,31 +498,19 @@ miFillEllipseI(DrawablePtr pDraw, GCPtr pGC, xArc * arc)
         MIFILLARCSTEP(slw);
         ADDSPANS();
     }
-    (*pGC->ops->FillSpans) (pDraw, pGC, pts - points, points, widths, FALSE);
-    free(widths);
-    free(points);
+    return pts - points;
 }
 
-static void
-miFillEllipseD(DrawablePtr pDraw, GCPtr pGC, xArc * arc)
+static int
+miFillEllipseD(DrawablePtr pDraw, GCPtr pGC, xArc * arc, DDXPointPtr points, int *widths)
 {
     int x, y;
     int xorg, yorg, dx, dy, slw;
     double e, yk, xk, ym, xm;
     miFillArcDRec info;
-    DDXPointPtr points;
     DDXPointPtr pts;
-    int *widths;
     int *wids;
 
-    points = malloc(sizeof(DDXPointRec) * arc->height);
-    if (!points)
-        return;
-    widths = malloc(sizeof(int) * arc->height);
-    if (!widths) {
-        free(points);
-        return;
-    }
     miFillArcDSetup(arc, &info);
     MIFILLARCSETUP();
     if (pGC->miTranslate) {
@@ -545,9 +523,7 @@ miFillEllipseD(DrawablePtr pDraw, GCPtr pGC, xArc * arc)
         MIFILLARCSTEP(slw);
         ADDSPANS();
     }
-    (*pGC->ops->FillSpans) (pDraw, pGC, pts - points, points, widths, FALSE);
-    free(widths);
-    free(points);
+    return pts - points;
 }
 
 #define ADDSPAN(l,r) \
@@ -572,17 +548,15 @@ miFillEllipseD(DrawablePtr pDraw, GCPtr pGC, xArc * arc)
 	ADDSPAN(xl, xc); \
     }
 
-static void
-miFillArcSliceI(DrawablePtr pDraw, GCPtr pGC, xArc * arc)
+static int
+miFillArcSliceI(DrawablePtr pDraw, GCPtr pGC, xArc * arc, DDXPointPtr points, int *widths)
 {
     int yk, xk, ym, xm, dx, dy, xorg, yorg, slw;
     int x, y, e;
     miFillArcRec info;
     miArcSliceRec slice;
     int ya, xl, xr, xc;
-    DDXPointPtr points;
     DDXPointPtr pts;
-    int *widths;
     int *wids;
 
     miFillArcSetup(arc, &info);
@@ -591,14 +565,6 @@ miFillArcSliceI(DrawablePtr pDraw, GCPtr pGC, xArc * arc)
     slw = arc->height;
     if (slice.flip_top || slice.flip_bot)
         slw += (arc->height >> 1) + 1;
-    points = malloc(sizeof(DDXPointRec) * slw);
-    if (!points)
-        return;
-    widths = malloc(sizeof(int) * slw);
-    if (!widths) {
-        free(points);
-        return;
-    }
     if (pGC->miTranslate) {
         xorg += pDraw->x;
         yorg += pDraw->y;
@@ -622,13 +588,11 @@ miFillArcSliceI(DrawablePtr pDraw, GCPtr pGC, xArc * arc)
             ADDSLICESPANS(slice.flip_bot);
         }
     }
-    (*pGC->ops->FillSpans) (pDraw, pGC, pts - points, points, widths, FALSE);
-    free(widths);
-    free(points);
+    return pts - points;
 }
 
-static void
-miFillArcSliceD(DrawablePtr pDraw, GCPtr pGC, xArc * arc)
+static int
+miFillArcSliceD(DrawablePtr pDraw, GCPtr pGC, xArc * arc, DDXPointPtr points, int *widths)
 {
     int x, y;
     int dx, dy, xorg, yorg, slw;
@@ -636,9 +600,7 @@ miFillArcSliceD(DrawablePtr pDraw, GCPtr pGC, xArc * arc)
     miFillArcDRec info;
     miArcSliceRec slice;
     int ya, xl, xr, xc;
-    DDXPointPtr points;
     DDXPointPtr pts;
-    int *widths;
     int *wids;
 
     miFillArcDSetup(arc, &info);
@@ -647,14 +609,6 @@ miFillArcSliceD(DrawablePtr pDraw, GCPtr pGC, xArc * arc)
     slw = arc->height;
     if (slice.flip_top || slice.flip_bot)
         slw += (arc->height >> 1) + 1;
-    points = malloc(sizeof(DDXPointRec) * slw);
-    if (!points)
-        return;
-    widths = malloc(sizeof(int) * slw);
-    if (!widths) {
-        free(points);
-        return;
-    }
     if (pGC->miTranslate) {
         xorg += pDraw->x;
         yorg += pDraw->y;
@@ -678,35 +632,69 @@ miFillArcSliceD(DrawablePtr pDraw, GCPtr pGC, xArc * arc)
             ADDSLICESPANS(slice.flip_bot);
         }
     }
-    (*pGC->ops->FillSpans) (pDraw, pGC, pts - points, points, widths, FALSE);
-    free(widths);
-    free(points);
+    return pts - points;
 }
 
 /* MIPOLYFILLARC -- The public entry for the PolyFillArc request.
  * Since we don't have to worry about overlapping segments, we can just
  * fill each arc as it comes.
  */
+
+/* Limit the number of spans in a single draw request to avoid integer
+ * overflow in the computation of the span buffer size.
+ */
+#define MAX_SPANS_PER_LOOP      (4 * 1024 * 1024)
+
 void
-miPolyFillArc(DrawablePtr pDraw, GCPtr pGC, int narcs, xArc * parcs)
+miPolyFillArc(DrawablePtr pDraw, GCPtr pGC, int narcs_all, xArc * parcs)
 {
-    int i;
-    xArc *arc;
-
-    for (i = narcs, arc = parcs; --i >= 0; arc++) {
-        if (miFillArcEmpty(arc))
-            continue;
-        if ((arc->angle2 >= FULLCIRCLE) || (arc->angle2 <= -FULLCIRCLE)) {
-            if (miCanFillArc(arc))
-                miFillEllipseI(pDraw, pGC, arc);
-            else
-                miFillEllipseD(pDraw, pGC, arc);
-        }
-        else {
-            if (miCanFillArc(arc))
-                miFillArcSliceI(pDraw, pGC, arc);
-            else
-                miFillArcSliceD(pDraw, pGC, arc);
-        }
+    while (narcs_all > 0) {
+        int narcs;
+        int i;
+        xArc *arc;
+        int nspans = 0;
+        DDXPointPtr pts, points;
+        int *wids, *widths;
+        int n;
+
+        for (narcs = 0, arc = parcs; narcs < narcs_all; narcs++, arc++) {
+            if (narcs && nspans + arc->height > MAX_SPANS_PER_LOOP)
+                break;
+            nspans += arc->height;
+        }
+
+        pts = points = malloc (sizeof (DDXPointRec) * nspans +
+                               sizeof(int) * nspans);
+        if (points) {
+            wids = widths = (int *) (points + nspans);
+
+            for (i = 0, arc = parcs; i < narcs; arc++, i++) {
+                if (miFillArcEmpty(arc))
+                    continue;
+                if ((arc->angle2 >= FULLCIRCLE) || (arc->angle2 <= -FULLCIRCLE))
+                {
+                    if (miCanFillArc(arc))
+                        n = miFillEllipseI(pDraw, pGC, arc, pts, wids);
+                    else
+                        n = miFillEllipseD(pDraw, pGC, arc, pts, wids);
+                }
+                else
+                {
+                    if (miCanFillArc(arc))
+                        n = miFillArcSliceI(pDraw, pGC, arc, pts, wids);
+                    else
+                        n = miFillArcSliceD(pDraw, pGC, arc, pts, wids);
+                }
+                pts += n;
+                wids += n;
+            }
+            nspans = pts - points;
+            if (nspans)
+                (*pGC->ops->FillSpans) (pDraw, pGC, nspans, points,
+                                        widths, FALSE);
+            free (points);
+        }
+        parcs += narcs;
+        narcs_all -= narcs;
     }
 }
diff --git a/xorg-server/mi/misprite.c b/xorg-server/mi/misprite.c
index eea731a15..68a49be1e 100644
--- a/xorg-server/mi/misprite.c
+++ b/xorg-server/mi/misprite.c
@@ -520,6 +520,8 @@ miSpriteBlockHandler(ScreenPtr pScreen, void *pTimeout,
     miCursorInfoPtr pCursorInfo;
     Bool WorkToDo = FALSE;
 
+    SCREEN_PROLOGUE(pPriv, pScreen, BlockHandler);
+
     for (pDev = inputInfo.devices; pDev; pDev = pDev->next) {
         if (DevHasCursor(pDev)) {
             pCursorInfo = MISPRITE(pDev);
@@ -543,8 +545,6 @@ miSpriteBlockHandler(ScreenPtr pScreen, void *pTimeout,
         }
     }
 
-    SCREEN_PROLOGUE(pPriv, pScreen, BlockHandler);
-
     (*pScreen->BlockHandler) (pScreen, pTimeout, pReadmask);
 
     if (WorkToDo)
diff --git a/xorg-server/mi/miwideline.c b/xorg-server/mi/miwideline.c
index b76e7a818..29ba12c69 100644
--- a/xorg-server/mi/miwideline.c
+++ b/xorg-server/mi/miwideline.c
@@ -1979,3 +1979,23 @@ miWideDash(DrawablePtr pDrawable, GCPtr pGC,
     if (spanData)
         miCleanupSpanData(pDrawable, pGC, spanData);
 }
+
+void
+miPolylines(DrawablePtr drawable,
+            GCPtr gc,
+            int mode,
+            int n,
+            DDXPointPtr points)
+{
+    if (gc->lineWidth == 0) {
+        if (gc->lineStyle == LineSolid)
+            miZeroLine(drawable, gc, mode, n, points);
+        else
+            miZeroDashLine(drawable, gc, mode, n, points);
+    } else {
+        if (gc->lineStyle == LineSolid)
+            miWideLine(drawable, gc, mode, n, points);
+        else
+            miWideDash(drawable, gc, mode, n, points);
+    }
+}
diff --git a/xorg-server/mi/mizerarc.c b/xorg-server/mi/mizerarc.c
index 9dac180d1..b216cf43d 100644
--- a/xorg-server/mi/mizerarc.c
+++ b/xorg-server/mi/mizerarc.c
@@ -656,7 +656,7 @@ miZeroPolyArc(DrawablePtr pDraw, GCPtr pGC, int narcs, xArc * parcs)
 
     for (arc = parcs, i = narcs; --i >= 0; arc++) {
         if (!miCanZeroArc(arc))
-            miPolyArc(pDraw, pGC, 1, arc);
+            miWideArc(pDraw, pGC, 1, arc);
         else {
             if (arc->width > arc->height)
                 n = arc->width + (arc->height >> 1);
diff --git a/xorg-server/mi/mizerline.c b/xorg-server/mi/mizerline.c
index 90798dbdf..f30e01239 100644
--- a/xorg-server/mi/mizerline.c
+++ b/xorg-server/mi/mizerline.c
@@ -179,14 +179,6 @@ miZeroLine(DrawablePtr pDraw, GCPtr pGC, int mode,      /* Origin or Previous */
     MIOUTCODES(oc2, x2, y2, xleft, ytop, xright, ybottom);
 
     while (--npt > 0) {
-        if (Nspans > 0)
-            (*pGC->ops->FillSpans) (pDraw, pGC, Nspans, pspanInit,
-                                    pwidthInit, FALSE);
-        Nspans = 0;
-        new_span = TRUE;
-        spans = pspanInit - 1;
-        widths = pwidthInit - 1;
-
         x1 = x2;
         y1 = y2;
         oc1 = oc2;
@@ -208,6 +200,14 @@ miZeroLine(DrawablePtr pDraw, GCPtr pGC, int mode,      /* Origin or Previous */
 
         CalcLineDeltas(x1, y1, x2, y2, adx, ady, signdx, signdy, 1, 1, octant);
 
+        if (ady + 1 > (list_len - Nspans)) {
+            (*pGC->ops->FillSpans) (pDraw, pGC, Nspans, pspanInit,
+                                    pwidthInit, FALSE);
+            Nspans = 0;
+            spans = pspanInit - 1;
+            widths = pwidthInit - 1;
+        }
+        new_span = TRUE;
         if (adx > ady) {
             e1 = ady << 1;
             e2 = e1 - (adx << 1);