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Since we now actually destroy GLX drawables, we get into situations where
we get events for drawables that no longer exist. Just ignore the
event in that case.
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Doesn't work for pixmaps, was looking up the GLX XID and was never thread
safe. Instead, just destroy the client side structures when the
drawable is no long current for a context.
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My earlier attempt to eliminate this warning (c0ca2bfb2ad8c) was
invalid as it removed the variable declaration. Jerome correctly
reverted that (600c85efdb0ff) since the variable is used when
X_DRI2SwapBuffers is defined.
Here, instead of removing the declaration, we move it to inside the
correct #ifdef.
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Avoids double locking glXLock in the X wire to event handlers.
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glx_info is used if X_DRI2SwapBuffers is defined
This reverts commit c0ca2bfb2ad8cf7fb9d756b5ae52cb77236ff605.
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To quiet a compiler warning.
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DRI2 events are sent to the X drawable ID used to create the DRI2 drawable,
not the GLX drawable ID. So when an event comes in, we need to look up
the __GLXDRIdrawable by its X drawable ID, which needs a new hash table.
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When direct rendering is being used, DRI2 BufferSwapComplete events are
sent unconditionally to clients, even if they haven't been requested.
This causes error messages to be printed by every freeglut application
of the form
freeglut (./gears): Unknown X event type: 104
and might confuse other clients.
This is a fixed up version of the patch by Jesse Barnes, which drops
BufferSwapComplete events if they are not requested by clients.
Fixes fdo bug 27962.
Signed-off-by: Nick Bowler <nbowler@draconx.ca>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Signed-off-by: Fernando Carrijo <fcarrijo@yahoo.com.br>
Signed-off-by: Brian Paul <brianp@vmware.com>
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In the direct rendered case, we need to convert DRI2 swap complete
events to GLX events for the client to consume. This path had what
looks like a stray "& 0x75" from some earlier debugging that prevented
clients from seeing the right event code.
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Fixes bug #27454.
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This can happen when an X window is destroyed behind our back. We use
DRI2CopyRegion behind the scenes in many places (like flushing the fake
front to the real front) so we have to ignore X errors triggered in that
case.
The glean test cases trigger this consistently as they don't destroy the
GLX drawable nicely, they just destroy the X window.
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When a buffer invalidation event is received from the X server, the
"invalidate" hook of the DRI2 flush extension is executed: A generic
implementation (dri2InvalidateDrawable) is provided that just bumps
the "pStamp" sequence number in __DRIdrawableRec.
For old servers not supporting buffer invalidation events, the
invalidate hook will be called before flushing the fake front/back
buffer (that's typically once per frame -- not a lot worse than the
situation we were in before).
No effort has been made on preserving backwards compatibility with
version 2 of the flush extension, but I think it's acceptable because
AFAIK no released stack is making use of it.
Signed-off-by: Kristian Høgsberg <krh@bitplanet.net>
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