mesa/i965-interleaved-arrays-fix.patch
2006-10-16 21:18:30 +00:00

22 lines
941 B
Diff

From: Keith Whitwell <keith@tungstengraphics.com>
Date: Fri, 13 Oct 2006 11:21:55 +0000 (+0000)
Subject: Upload of interleaved arrays currently assumes that position is the
X-Git-Url: http://gitweb.freedesktop.org/?p=users/krh/mesa.git;a=commitdiff;h=a8a86ce53490bedb43ea414ead7e9d4cf30fc1de
Upload of interleaved arrays currently assumes that position is the
first element in the interleaved group. Add a test to catch cases
where this isn't true and use per-array uploads instead. Fixes compiz
glitches on x64.
---
--- a/src/mesa/drivers/dri/i965/brw_draw_upload.c
+++ b/src/mesa/drivers/dri/i965/brw_draw_upload.c
@@ -435,6 +435,7 @@ GLboolean brw_upload_vertices( struct br
ptr = input->glarray->Ptr;
}
else if (interleave != input->glarray->StrideB ||
+ (const char *)input->glarray->Ptr - (const char *)ptr < 0 ||
(const char *)input->glarray->Ptr - (const char *)ptr > interleave) {
interleave = 0;
}