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;

 	 }