31 lines
926 B
Diff
31 lines
926 B
Diff
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diff --git a/composite/compext.c b/composite/compext.c
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index 4c25cc7..af05b4a 100644
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--- a/composite/compext.c
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+++ b/composite/compext.c
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@@ -678,6 +678,25 @@ CompositeExtensionInit (void)
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ExtensionEntry *extEntry;
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int s;
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+ for (s = 0; s < screenInfo.numScreens; s++) {
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+ ScreenPtr pScreen = screenInfo.screens[s];
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+ VisualPtr vis;
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+
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+ /* Composite on 8bpp pseudocolor root windows appears to fail, so
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+ * just disable it on anything pseudocolor for safety.
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+ */
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+ for (vis = pScreen->visuals; vis->vid != pScreen->rootVisual; vis++)
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+ ;
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+ if ((vis->class | DynamicClass) == PseudoColor)
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+ return;
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+
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+ /* Ensure that Render is initialized, which is required for automatic
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+ * compositing.
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+ */
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+ if (GetPictureScreenIfSet(pScreen) == NULL)
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+ return;
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+ }
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+
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CompositeClientWindowType = CreateNewResourceType (FreeCompositeClientWindow);
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if (!CompositeClientWindowType)
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return;
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