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xwayland: add screen resolution update fix

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Leonid Pliushch 2019-06-29 23:45:10 +03:00 committed by Yaksh Bariya
parent d84f2bf3d7
commit c3e7124b09
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GPG Key ID: F7486BA7D3D27581
1 changed files with 59 additions and 0 deletions
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59
x11-packages/xwayland/xwayland_output_fix_backing_pixmaps.patch Normal file
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@ -0,0 +1,59 @@
+++ ./hw/xwayland/xwayland-output.c 2019-06-28 18:22:41.910491315 +0300
@@ -171,6 +171,47 @@
return 25.4 / DEFAULT_DPI;
}
+static int
+xwl_set_pixmap_visit_window(WindowPtr window, void *data)
+{
+ ScreenPtr screen = window->drawable.pScreen;
+
+ if (screen->GetWindowPixmap(window) == data) {
+ screen->SetWindowPixmap(window, screen->GetScreenPixmap(screen));
+ return WT_WALKCHILDREN;
+ }
+
+ return WT_DONTWALKCHILDREN;
+}
+
+static void
+update_backing_pixmaps(struct xwl_screen *xwl_screen, int width, int height)
+{
+ ScreenPtr pScreen = xwl_screen->screen;
+ WindowPtr pRoot = pScreen->root;
+ PixmapPtr old_pixmap, new_pixmap;
+
+ old_pixmap = pScreen->GetScreenPixmap(pScreen);
+ if (old_pixmap)
+ pScreen->DestroyPixmap(old_pixmap);
+ new_pixmap = pScreen->CreatePixmap(pScreen, width, height,
+ pScreen->rootDepth,
+ CREATE_PIXMAP_USAGE_BACKING_PIXMAP);
+ pScreen->SetScreenPixmap(new_pixmap);
+
+ if (old_pixmap)
+ TraverseTree(pScreen->root, xwl_set_pixmap_visit_window, old_pixmap);
+
+ old_pixmap = pScreen->GetWindowPixmap(pRoot);
+ if (old_pixmap)
+ pScreen->DestroyPixmap(old_pixmap);
+ new_pixmap = pScreen->CreatePixmap(pScreen, width, height,
+ pScreen->rootDepth,
+ CREATE_PIXMAP_USAGE_BACKING_PIXMAP);
+ pScreen->SetWindowPixmap(pRoot, new_pixmap);
+ pScreen->ResizeWindow(pRoot, 0, 0, width, height, NULL);
+}
+
static void
update_screen_size(struct xwl_output *xwl_output, int width, int height)
{
@@ -180,6 +221,9 @@
if (xwl_screen->root_clip_mode == ROOT_CLIP_FULL)
SetRootClip(xwl_screen->screen, ROOT_CLIP_NONE);
+ if (!xwl_screen->rootless && xwl_screen->screen->root)
+ update_backing_pixmaps (xwl_screen, width, height);
+
xwl_screen->width = width;
xwl_screen->height = height;
xwl_screen->screen->width = width;