http://bugs.freedesktop.org/show_bug.cgi?id=15380
Summary: [i915 i965 FBO] glFramebufferTexture2D Segmentation
fault in some case
Product: Mesa
Version: unspecified
Platform: All
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/DRI/i915
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
Created an attachment (id=15729)
--> (http://bugs.freedesktop.org/attachment.cgi?id=15729)
test case
System Environment:
--------------------------
--Platforms:
i915 & i965
--Architecture(32-bit,64-bit,compatiblity): all
--2D driver:
commit 645980596450ed21c3b8927410a6bfe38a0c55d1
--3D driver:
commit 3e0797f3b702a1363bf238eb4826385860346137
--Xserver:
commit b8ea9f2a25aad88aee77a68f8e20ac07276f0dab
--Drm
commit 562f95ea96f08e1d73a872dc87237614292c873a
--Kernel:
2.6.23.1
Bug detailed description:
-------------------------
This issue doesn't happen in software rendering
When you write codes in following sequences:
1. glTexImage2D() to allocate memory for a 128x128 texture for level 0
2. glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 1);
3. glTexImage2D() to allocate memory for a 128x128 texture for level 1
4. glFramebufferTexture2DEXT() to attach level 1 of this texture
will get a segment fault.
Reproduce steps:
----------------
1. start X
2. compile and run attached test case
Current result:
----------------
it doesnt' work as expected.
Expected result:
----------------
should not get segment fault
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