1 files changed, 84 insertions, 1 deletions

diff --git a/xorg/server/module/rdpPolylines.c b/xorg/server/module/rdpPolylines.c
index ee7a6008..630f2827 100644
--- a/xorg/server/module/rdpPolylines.c
+++ b/xorg/server/module/rdpPolylines.c
@@ -32,12 +32,23 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 #include "rdp.h"
 #include "rdpDraw.h"
+#include "rdpClientCon.h"
+#include "rdpReg.h"
 
 #define LOG_LEVEL 1
 #define LLOGLN(_level, _args) \
     do { if (_level < LOG_LEVEL) { ErrorF _args ; ErrorF("\n"); } } while (0)
 
 /******************************************************************************/
+void
+rdpPolylinesPre(rdpPtr dev, rdpClientCon *clientCon,
+                int cd,  RegionPtr clip_reg,
+                DrawablePtr pDrawable, GCPtr pGC, int mode,
+                int npt, DDXPointPtr pptInit, RegionPtr reg)
+{
+}
+
+/******************************************************************************/
 static void
 rdpPolylinesOrg(DrawablePtr pDrawable, GCPtr pGC, int mode,
                 int npt, DDXPointPtr pptInit)
@@ -51,10 +62,82 @@ rdpPolylinesOrg(DrawablePtr pDrawable, GCPtr pGC, int mode,
 
 /******************************************************************************/
 void
+rdpPolylinesPost(rdpPtr dev, rdpClientCon *clientCon,
+                 int cd,  RegionPtr clip_reg,
+                 DrawablePtr pDrawable, GCPtr pGC, int mode,
+                 int npt, DDXPointPtr pptInit, RegionPtr reg)
+{
+    RegionRec lreg;
+
+    if (cd == XRDP_CD_NODRAW)
+    {
+        return;
+    }
+    if (!XRDP_DRAWABLE_IS_VISIBLE(dev, pDrawable))
+    {
+        return;
+    }
+    rdpRegionInit(&lreg, NullBox, 0);
+    if (cd == XRDP_CD_CLIP)
+    {
+        rdpRegionIntersect(&lreg, clip_reg, reg);
+    }
+    rdpClientConAddDirtyScreenReg(dev, clientCon, &lreg);
+    rdpRegionUninit(&lreg);
+}
+
+/******************************************************************************/
+void
 rdpPolylines(DrawablePtr pDrawable, GCPtr pGC, int mode,
              int npt, DDXPointPtr pptInit)
 {
-    LLOGLN(0, ("rdpPolylines:"));
+    rdpPtr dev;
+    rdpClientCon *clientCon;
+    RegionRec clip_reg;
+    RegionRec reg;
+    int cd;
+    int index;
+    int x1;
+    int y1;
+    int x2;
+    int y2;
+    BoxRec box;
+
+    LLOGLN(10, ("rdpPolylines:"));
+    dev = rdpGetDevFromScreen(pGC->pScreen);
+    dev->counts.rdpPolylinesCallCount++;
+    rdpRegionInit(&reg, NullBox, 0);
+    for (index = 1; index < npt; index++)
+    {
+        x1 = pptInit[index - 1].x + pDrawable->x;
+        y1 = pptInit[index - 1].y + pDrawable->y;
+        x2 = pptInit[index].x + pDrawable->x;
+        y2 = pptInit[index].y + pDrawable->y;
+        box.x1 = RDPMIN(x1, x2);
+        box.y1 = RDPMIN(y1, y2);
+        box.x2 = RDPMAX(x1, x2) + 1;
+        box.y2 = RDPMAX(y1, y2) + 1;
+        rdpRegionUnionRect(&reg, &box);
+    }
+    rdpRegionInit(&clip_reg, NullBox, 0);
+    cd = rdpDrawGetClip(dev, &clip_reg, pDrawable, pGC);
+    LLOGLN(10, ("rdpPolylines: cd %d", cd));
+    clientCon = dev->clientConHead;
+    while (clientCon != NULL)
+    {
+        rdpPolylinesPre(dev, clientCon, cd, &clip_reg, pDrawable,
+                        pGC, mode, npt, pptInit, &reg);
+        clientCon = clientCon->next;
+    }
     /* do original call */
     rdpPolylinesOrg(pDrawable, pGC, mode, npt, pptInit);
+    clientCon = dev->clientConHead;
+    while (clientCon != NULL)
+    {
+        rdpPolylinesPost(dev, clientCon, cd, &clip_reg, pDrawable,
+                         pGC, mode, npt, pptInit, &reg);
+        clientCon = clientCon->next;
+    }
+    rdpRegionUninit(&clip_reg);
+    rdpRegionUninit(&reg);
 }