Make sure to call damage on the buffer when we damage it

5 files changed, 18 insertions, 15 deletions

diff --git a/src/plugins/platforms/wayland/gl_integration/xcomposite_egl/qwaylandxcompositeeglcontext.cpp b/src/plugins/platforms/wayland/gl_integration/xcomposite_egl/qwaylandxcompositeeglcontext.cpp
index 72de02a..999a411 100644
--- a/src/plugins/platforms/wayland/gl_integration/xcomposite_egl/qwaylandxcompositeeglcontext.cpp
+++ b/src/plugins/platforms/wayland/gl_integration/xcomposite_egl/qwaylandxcompositeeglcontext.cpp
@@ -91,7 +91,7 @@ void QWaylandXCompositeEGLContext::swapBuffers()
     QSize size = mWindow->geometry().size();
 
     eglSwapBuffers(mEglIntegration->eglDisplay(),mEglWindowSurface);
-    mWindow->damage(QRegion(QRect(QPoint(0,0),size)));
+    mWindow->damage(QRect(QPoint(0,0),size));
     mWindow->waitForFrameSync();
 }
 
diff --git a/src/plugins/platforms/wayland/gl_integration/xcomposite_glx/qwaylandxcompositeglxcontext.cpp b/src/plugins/platforms/wayland/gl_integration/xcomposite_glx/qwaylandxcompositeglxcontext.cpp
index dff6ffa..3d49790 100644
--- a/src/plugins/platforms/wayland/gl_integration/xcomposite_glx/qwaylandxcompositeglxcontext.cpp
+++ b/src/plugins/platforms/wayland/gl_integration/xcomposite_glx/qwaylandxcompositeglxcontext.cpp
@@ -81,7 +81,7 @@ void QWaylandXCompositeGLXContext::swapBuffers()
     QSize size = mWindow->geometry().size();
 
     glXSwapBuffers(mGlxIntegration->xDisplay(),mXWindow);
-    mWindow->damage(QRegion(QRect(QPoint(0,0),size)));
+    mWindow->damage(QRect(QPoint(0,0),size));
     mWindow->waitForFrameSync();
 }
 
diff --git a/src/plugins/platforms/wayland/qwaylandshmsurface.cpp b/src/plugins/platforms/wayland/qwaylandshmsurface.cpp
index efc56bb..b24c419 100644
--- a/src/plugins/platforms/wayland/qwaylandshmsurface.cpp
+++ b/src/plugins/platforms/wayland/qwaylandshmsurface.cpp
@@ -120,7 +120,12 @@ void QWaylandShmWindowSurface::flush(QWidget *widget, const QRegion &region, con
     Q_UNUSED(offset);
     QWaylandShmWindow *waylandWindow = static_cast<QWaylandShmWindow *>(window()->platformWindow());
     Q_ASSERT(waylandWindow->windowType() == QWaylandWindow::Shm);
-    waylandWindow->damage(region);
+    QVector<QRect> rects = region.rects();
+    for (int i = 0; i < rects.size(); i++) {
+        const QRect rect = rects.at(i);
+        wl_buffer_damage(mBuffer->buffer(),rect.x(),rect.y(),rect.width(),rect.height());
+        waylandWindow->damage(rect);
+    }
 }
 
 void QWaylandShmWindowSurface::resize(const QSize &size)
diff --git a/src/plugins/platforms/wayland/qwaylandwindow.cpp b/src/plugins/platforms/wayland/qwaylandwindow.cpp
index 240041f..e79a712 100644
--- a/src/plugins/platforms/wayland/qwaylandwindow.cpp
+++ b/src/plugins/platforms/wayland/qwaylandwindow.cpp
@@ -127,27 +127,25 @@ void QWaylandWindow::attach(QWaylandBuffer *buffer)
     }
 }
 
-void QWaylandWindow::damage(const QRegion &region)
+void QWaylandWindow::damage(const QRect &rect)
 {
     //We have to do sync stuff before calling damage, or we might
     //get a frame callback before we get the timestamp
-    mDisplay->frameCallback(QWaylandWindow::frameCallback, mSurface, this);
-    mWaitingForFrameSync = true;
-
-    QVector<QRect> rects = region.rects();
-    for (int i = 0; i < rects.size(); i++) {
-        const QRect rect = rects.at(i);
-        wl_surface_damage(mSurface,
-                          rect.x(), rect.y(), rect.width(), rect.height());
-        wl_buffer_damage(mBuffer->buffer(),
-                         rect.x(), rect.y(), rect.width(), rect.height());
+    if (!mWaitingForFrameSync) {
+        mDisplay->frameCallback(QWaylandWindow::frameCallback, mSurface, this);
+        mWaitingForFrameSync = true;
     }
+
+    wl_surface_damage(mSurface,
+                      rect.x(), rect.y(), rect.width(), rect.height());
 }
 
 void QWaylandWindow::newSurfaceCreated()
 {
     if (mBuffer) {
         wl_surface_attach(mSurface,mBuffer->buffer(),0,0);
+        wl_surface_damage(mSurface,
+                          0,0,mBuffer->size().width(),mBuffer->size().height());
     }
 }
 
diff --git a/src/plugins/platforms/wayland/qwaylandwindow.h b/src/plugins/platforms/wayland/qwaylandwindow.h
index b8eae96..b91f6b6 100644
--- a/src/plugins/platforms/wayland/qwaylandwindow.h
+++ b/src/plugins/platforms/wayland/qwaylandwindow.h
@@ -71,7 +71,7 @@ public:
                    int32_t x, int32_t y, int32_t width, int32_t height);
 
     void attach(QWaylandBuffer *buffer);
-    void damage(const QRegion &region);
+    void damage(const QRect &rect);
 
     void waitForFrameSync();