60 lines
2.0 KiB
Diff
60 lines
2.0 KiB
Diff
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+++ ./hw/xwayland/xwayland-output.c 2019-06-28 18:22:41.910491315 +0300
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@@ -171,6 +171,47 @@
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return 25.4 / DEFAULT_DPI;
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}
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+static int
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+xwl_set_pixmap_visit_window(WindowPtr window, void *data)
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+{
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+ ScreenPtr screen = window->drawable.pScreen;
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+
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+ if (screen->GetWindowPixmap(window) == data) {
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+ screen->SetWindowPixmap(window, screen->GetScreenPixmap(screen));
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+ return WT_WALKCHILDREN;
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+ }
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+
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+ return WT_DONTWALKCHILDREN;
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+}
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+
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+static void
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+update_backing_pixmaps(struct xwl_screen *xwl_screen, int width, int height)
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+{
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+ ScreenPtr pScreen = xwl_screen->screen;
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+ WindowPtr pRoot = pScreen->root;
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+ PixmapPtr old_pixmap, new_pixmap;
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+
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+ old_pixmap = pScreen->GetScreenPixmap(pScreen);
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+ if (old_pixmap)
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+ pScreen->DestroyPixmap(old_pixmap);
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+ new_pixmap = pScreen->CreatePixmap(pScreen, width, height,
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+ pScreen->rootDepth,
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+ CREATE_PIXMAP_USAGE_BACKING_PIXMAP);
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+ pScreen->SetScreenPixmap(new_pixmap);
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+
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+ if (old_pixmap)
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+ TraverseTree(pScreen->root, xwl_set_pixmap_visit_window, old_pixmap);
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+
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+ old_pixmap = pScreen->GetWindowPixmap(pRoot);
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+ if (old_pixmap)
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+ pScreen->DestroyPixmap(old_pixmap);
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+ new_pixmap = pScreen->CreatePixmap(pScreen, width, height,
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+ pScreen->rootDepth,
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+ CREATE_PIXMAP_USAGE_BACKING_PIXMAP);
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+ pScreen->SetWindowPixmap(pRoot, new_pixmap);
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+ pScreen->ResizeWindow(pRoot, 0, 0, width, height, NULL);
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+}
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+
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static void
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update_screen_size(struct xwl_output *xwl_output, int width, int height)
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{
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@@ -180,6 +221,9 @@
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if (xwl_screen->root_clip_mode == ROOT_CLIP_FULL)
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SetRootClip(xwl_screen->screen, ROOT_CLIP_NONE);
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+ if (!xwl_screen->rootless && xwl_screen->screen->root)
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+ update_backing_pixmaps (xwl_screen, width, height);
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+
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xwl_screen->width = width;
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xwl_screen->height = height;
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xwl_screen->screen->width = width;
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