http://bugs.freedesktop.org/show_bug.cgi?id=22536
Summary: glxgears_pixmap shows black screen and seeing error
message from X
Product: Mesa
Version: unspecified
Platform: x86 (IA32)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Demos
AssignedTo: mes...@li...
ReportedBy: yu...@in...
Created an attachment (id=27224)
--> (http://bugs.freedesktop.org/attachment.cgi?id=27224)
patch for glxgears_pixmap black window issue by using consistent XID drawable
in DRI2 interface
We found glxgears_pixmap does not work on DRI2, gallium-mesa-7.4 and xserver
1.6.2. We are seeing error message from X:
----------------------------------------------------------------------------
X Error of failed request: BadDrawable (invalid Pixmap or Window parameter)
Major opcode of failed request: 135 (DRI2)
Minor opcode of failed request: 6 (DRI2CopyRegion)
Resource id in failed request: 0x2a00005
Serial number of failed request: 38
Current serial number in output stream: 38
Program exited with code 01.
----------------------------------------------------------------------------
We noticed that there are some inconsistency about drawable id to use in DRI2
interfaces. For example, in dri2CreateDrawable, XID xDrawable is used to send
request to X to create drawable. However, in dri2DestroyDrawable, GLXDrawable
drawable is used to tell X to destroy it. And, we believe that the wrong id
used in dri2CopySubBuffer causes error message above. Because XID xDrawable is
the one used to create a X drawable, we are pretty sure anywhere else in DRI2
interfaces should use this id.
Attachment is a patch for this, which resolve this issue.
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