From 29b36c87dd629bd915a105cfbc3b287cf893a394 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Gr=C3=A4=C3=9Flin?= <mgraesslin@kde.org>
Date: Tue, 29 Jan 2013 09:28:53 +0100
Subject: [PATCH] Port Resize effect to XCB render

---
 effects/resize/resize.cpp | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/effects/resize/resize.cpp b/effects/resize/resize.cpp
index 990d283d9f..02bef0d756 100644
--- a/effects/resize/resize.cpp
+++ b/effects/resize/resize.cpp
@@ -24,8 +24,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include <kwinglutils.h>
 #ifdef KWIN_HAVE_XRENDER_COMPOSITING
-#include <X11/Xlib.h>
-#include <X11/extensions/Xrender.h>
+#include <xcb/render.h>
 #endif
 
 #include <KColorScheme>
@@ -108,14 +107,18 @@ void ResizeEffect::paintWindow(EffectWindow* w, int mask, QRegion region, Window
 
 #ifdef KWIN_HAVE_XRENDER_COMPOSITING
             if (effects->compositingType() == XRenderCompositing) {
-                XRenderColor col;
+                xcb_render_color_t col;
                 col.alpha = int(alpha * 0xffff);
                 col.red = int(alpha * 0xffff * color.red() / 255);
                 col.green = int(alpha * 0xffff * color.green() / 255);
                 col.blue = int(alpha * 0xffff * color.blue() / 255);
-                foreach (const QRect & r, paintRegion.rects())
-                XRenderFillRectangle(display(), PictOpOver, effects->xrenderBufferPicture(),
-                                     &col, r.x(), r.y(), r.width(), r.height());
+                QVector<xcb_rectangle_t> rects;
+                foreach (const QRect & r, paintRegion.rects()) {
+                    xcb_rectangle_t rect = {int16_t(r.x()), int16_t(r.y()), uint16_t(r.width()), uint16_t(r.height())};
+                    rects << rect;
+                }
+                xcb_render_fill_rectangles(connection(), XCB_RENDER_PICT_OP_OVER,
+                                           effects->xrenderBufferPicture(), col, rects.count(), rects.constData());
             }
 #endif
         }