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*Del for deduct the probable size of a shadow buffer.
*Use exaOffscreenAlloc allocate the shadow buffer.
*Rotateeddata has to be allocate in offscreen memory range.
*Ubuntu Bugzilla #377929
Signed-off-by: Hunk Cui <Hunk.Cui@amd.com>
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The geode hardware (and cimarron) expects cursor memory size to be 48x64,
and cimarron will zero out the excess when a smaller cursor is used. It
would be nice to be able to use the full cursor size, but xorg's interleaving
stuff requires a cursor width that's a multiple of 32. Thus, we're stuck
back at 32x32 for cursor size, but we allocate enough memory for a 48x64
cursor.
This fixes misc interleaving corruption that we see with 2bpp cursors (when
converting to ARGB).
Signed-off-by: Andres Salomon <dilinger@debian.org>
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When we use ARGB cursors and rotate the screen, we get double cursors
and stale cursor data left over. This is because cimarron expects a
cursor that is smaller than or equal to 48x64, but hardcodes a memory
shift of 192 bytes (4*48). This means that if we have a 32x64 cursor,
cimarron screws it up. Change the cursor size to 48x64.
Signed-off-by: Andres Salomon <dilinger@debian.org>
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Change how EXA memory is allocated to better allow for
EXA + video + rotation to co-exist on the system. Change
the video to only allocate memory when it needs it.
Also, automatically disable compression when there is less then
16Mb of memory.
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when there isn't enough memory.
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Remove a flag that was making EXA pixmaps break horribly.
Also, Make the new code compile for Hardy and warning cleanups.
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Enable rotation through RandR 1.2 and add the accelerated rotation blit
the EXA composite function. Also, fix a handful of critical bugs and
remove some more dead code.
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A wholesale update to Randr 1.2 for LX accompanied by massive
cleanup.
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