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backend/x11: add xcb_dri3_pixmap_from_buffers check for n_planes
Just in case.
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@ -166,6 +166,10 @@ static struct wlr_x11_buffer *create_x11_buffer(struct wlr_x11_output *output,
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xcb_pixmap_t pixmap = xcb_generate_id(x11->xcb);
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if (x11->dri3_major_version > 1 || x11->dri3_minor_version >= 2) {
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if (attrs.n_planes > 4) {
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wlr_dmabuf_attributes_finish(&dup_attrs);
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return NULL;
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}
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xcb_dri3_pixmap_from_buffers(x11->xcb, pixmap, output->win,
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attrs.n_planes, attrs.width, attrs.height, attrs.stride[0],
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attrs.offset[0], attrs.stride[1], attrs.offset[1], attrs.stride[2],
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