Attachment 36695 Details for Bug 28365 – update dri2 buffers if drawable serial changes

[patch] update dri2 buffers if drawable serial changes

xserver-dri2-track-drawable-serials.patch (text/plain), 1.37 KB, created by Jesse Barnes on 2010-07-02 12:25:41 UTC

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Creator: Jesse Barnes

Created: 2010-07-02 12:25:41 UTC

Size: 1.37 KB

patch

obsolete

>diff --git a/hw/xfree86/dri2/dri2.c b/hw/xfree86/dri2/dri2.c
>index f9ba8e7..e1238a5 100644
>--- a/hw/xfree86/dri2/dri2.c
>+++ b/hw/xfree86/dri2/dri2.c
>@@ -82,6 +82,7 @@ typedef struct _DRI2Drawable {
>     CARD64		 last_swap_msc; /* msc at completion of most recent swap */
>     CARD64		 last_swap_ust; /* ust at completion of most recent swap */
>     int			 swap_limit; /* for N-buffering */
>+    unsigned long	 serialNumber;
> } DRI2DrawableRec, *DRI2DrawablePtr;
> 
> typedef struct _DRI2Screen {
>@@ -163,6 +164,7 @@ DRI2AllocateDrawable(DrawablePtr pDraw)
>     pPriv->last_swap_msc = 0;
>     pPriv->last_swap_ust = 0;
>     list_init(&pPriv->reference_list);
>+    pPriv->serialNumber = pDraw->serialNumber;
> 
>     if (pDraw->type == DRAWABLE_WINDOW) {
> 	pWin = (WindowPtr) pDraw;
>@@ -326,6 +328,7 @@ allocate_or_reuse_buffer(DrawablePtr pDraw, DRI2ScreenPtr ds,
> 	|| !dimensions_match
> 	|| (pPriv->buffers[old_buf]->format != format)) {
> 	*buffer = (*ds->CreateBuffer)(pDraw, attachment, format);
>+	pPriv->serialNumber = pDraw->serialNumber;
> 	return TRUE;
> 
>     } else {
>@@ -384,7 +387,8 @@ do_get_buffers(DrawablePtr pDraw, int *width, int *height,
>     }
> 
>     dimensions_match = (pDraw->width == pPriv->width)
>-	&& (pDraw->height == pPriv->height);
>+	&& (pDraw->height == pPriv->height)
>+	&& (pDraw->serialNumber == pPriv->serialNumber);
> 
>     buffers = malloc((count + 1) * sizeof(buffers[0]));
>

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