From b12ca6b87b55e3359e81d5a3be380c860478e353 Mon Sep 17 00:00:00 2001
From: Ian Romanick <ian.d.romanick@intel.com>
Date: Mon, 23 Nov 2009 23:14:49 -0800
Subject: i915: Initialize Length and Offset fields when mapping a buffer
 object

This fixes an assertion failure in _mesa_MapBufferARB.

Fixes bugzilla #25253.
---
 src/mesa/drivers/dri/intel/intel_buffer_objects.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src')

diff --git a/src/mesa/drivers/dri/intel/intel_buffer_objects.c b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
index a0225936c8..ccce9e712d 100644
--- a/src/mesa/drivers/dri/intel/intel_buffer_objects.c
+++ b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
@@ -254,6 +254,8 @@ intel_bufferobj_map(GLcontext * ctx,
 
    if (intel_obj->sys_buffer) {
       obj->Pointer = intel_obj->sys_buffer;
+      obj->Length = obj->Size;
+      obj->Offset = 0;
       return obj->Pointer;
    }
 
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