[PATCH] dri2: Send out event when auxillary buffers are invalidated

[Adam Jackson]

On Tue, 2010-05-11 at 10:52 -0400, Kristian Høgsberg wrote:

> +static void
> +DRI2ConfigNotify(WindowPtr pWin, int x, int y, int w, int h, int bw,
> +		 WindowPtr pSib)
> +{
> +    DrawablePtr pDraw = (DrawablePtr)pWin;
> +    ScreenPtr pScreen = pDraw->pScreen;
> +    DRI2ScreenPtr ds = DRI2GetScreen(pScreen);
> +    DRI2DrawablePtr dd = DRI2GetDrawable(pDraw);
> +
> +    if (ds->ConfigNotify) {
> +	pScreen->ConfigNotify = ds->ConfigNotify;
> +
> +	(*pScreen->ConfigNotify)(pWin, x, y, w, h, bw, pSib);
> +
> +	ds->ConfigNotify = pScreen->ConfigNotify;
> +	pScreen->ConfigNotify = DRI2ConfigNotify;
> +    }
> +
> +    if (!dd || (dd->width == w && dd->height == h))
> +	return;
> +
> +    DRI2InvalidateDrawable(pDraw);
> +}

Is ConfigNotify sufficient for this?  I think it'll miss subwindows.
The ConfigNotify chain looks like it only fires from ConfigureWindow(),
which is not itself recursive to children.  I think you may want
ResizeWindow instead.

- ajax
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