http://bugs.freedesktop.org/show_bug.cgi?id=14575
Summary: [i915 i965] glDeleteBuffers cause assertion failure when
map and unmap not paired
Product: Mesa
Version: unspecified
Platform: Other
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/i915
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
CC: [email protected]
Created an attachment (id=14435)
--> (http://bugs.freedesktop.org/attachment.cgi?id=14435)
test case
System Environment:
--------------------------
--Platform: i915 & i965
--Architecture(32-bit,64-bit,compatiblity): all
--2D driver:
commit 4a42b01f5ee5a673716d6959dfe0e693b037eb48
--3D driver:
commit 15f0015df443025086ae810c0c0d07b4359b9e02
--Xserver:
commit 06c968acbf6771d5fed4b12ebd400fea791ea498
--Kernel:
2.6.24-rc5
Bug detailed description:
-------------------------
glDeleteBuffers cause assertion failure when map and unmap of buffer object not
paired
this is not in conformance with OpenGL spec:
'A buffer object's mapped data store is automatically unmapped when the
buffer object is deleted or its data store is recreated with glBufferData.'
seems following commit brings this issue in:
commit c51eb3ec401e78dd14ccd95304599909045b17b6
Author: Eric Anholt <[EMAIL PROTECTED]>
Date: Thu Feb 14 16:14:00 2008 -0800
[intel] Bug #13636: Allow recursive buffer mapping in bufmgr_ttm.
Reproduce steps:
----------------
1. start X
2. compile and run attached test case
Current result:
----------------
glDeleteBuffers cause assertion failure when map and unmap of buffer object not
paired
Expected result:
----------------
run normally
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