gallium: updated comment in xm_flush_frontbuffer()
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@@ -296,10 +296,9 @@ xm_flush_frontbuffer(struct pipe_winsys *pws,
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struct pipe_surface *surf,
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void *context_private)
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{
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/* The Xlib driver's front color surfaces are actually X Windows so
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* this flush is a no-op.
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* If we instead did front buffer rendering to a temporary XImage,
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* this would be the place to copy the Ximage to the on-screen Window.
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/*
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* The front color buffer is actually just another XImage buffer.
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* This function copies that XImage to the actual X Window.
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*/
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XMesaContext xmctx = (XMesaContext) context_private;
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xmesa_display_surface(xmctx->xm_buffer, surf);
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