Attachment 126581 Details for Bug 97836 – Patch

[patch] Patch

vmwgfx-dirty-union.patch (text/plain), 1.04 KB, created by Fujii Hironori on 2016-09-16 14:54:55 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Fujii Hironori

Created: 2016-09-16 14:54:55 UTC

Size: 1.04 KB

patch

obsolete

>--- vmwgfx/vmwgfx_driver.c.orig	2016-09-16 03:58:28.611030813 -0700
>+++ vmwgfx/vmwgfx_driver.c	2016-09-16 03:53:43.113656575 -0700
>@@ -643,13 +643,35 @@
> vmwgfx_scanout_update(int drm_fd, int fb_id, RegionPtr dirty)
> {
>     unsigned num_cliprects = REGION_NUM_RECTS(dirty);
>-    drmModeClip *clip = alloca(num_cliprects * sizeof(drmModeClip));
>+    drmModeClip *clip;
>     BoxPtr rect = REGION_RECTS(dirty);
>     int i, ret;
> 
>     if (!num_cliprects)
> 	return TRUE;
> 
>+    if (num_cliprects > 256) {
>+	INT32 x1, x2, y1, y2;
>+	x1 = rect->x1;
>+	y1 = rect->y1;
>+	x2 = rect->x2;
>+	y2 = rect->y2;
>+	rect++;
>+	for (i = 1; i < num_cliprects; i++, rect++) {
>+	    x1 = min(x1, rect->x1);
>+	    y1 = min(y1, rect->y1);
>+	    x2 = max(x2, rect->x2);
>+	    y2 = max(y2, rect->y2);
>+	}
>+	num_cliprects = 1;
>+	rect = REGION_RECTS(dirty);
>+	rect->x1 = x1;
>+	rect->y1 = y1;
>+	rect->x2 = x2;
>+	rect->y2 = y2;
>+    }
>+
>+    clip = alloca(num_cliprects * sizeof(drmModeClip));
>     for (i = 0; i < num_cliprects; i++, rect++) {
> 	clip[i].x1 = rect->x1;
> 	clip[i].y1 = rect->y1;

Actions: View | Splinter Review

Attachments on bug 97836: 126580 | 126581

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.