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xserver-multidpi/dix
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Michel Dänzer 401a8d6e13 dix: Work around non-premultiplied ARGB cursor data 
Some games incorrectly use non-premultiplied ARGB cursor data, presumably
because that's what Windows uses. On some hardware (and with SWcursor),
this breaks areas of the cursor which are supposed to be transparent
(and presumably also translucent areas, but that's less noticeable).

This change checks for pixels with alpha == 0 and any non-alpha component
!= 0. If any such pixel is found, the data is assumed to be
non-premultiplied and fixed up by multiplying the RGB components with the
alpha component.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92309
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2016-07-15 09:53:07 -04:00
..
.gitignore dix and os: gitignore dix.O and os.O 2011-09-23 17:14:47 -07:00
atom.c atom: make FreeAtom static 2015-07-08 16:41:29 -04:00
buildatoms XFree86 4.3.0.1 2003-11-14 16:49:22 +00:00
BuiltInAtoms R6.6 is the Xorg base-line 2003-11-14 15:54:54 +00:00
colormap.c configurable maximum number of clients 2015-08-24 00:00:18 -07:00
cursor.c dix: Work around non-premultiplied ARGB cursor data 2016-07-15 09:53:07 -04:00
devices.c Remove SIGIO support for input [v5] 2016-05-26 16:07:54 -07:00
dispatch.c xrandrprovider: Do not use separate lists for unbound / source / offload slaves 2016-06-17 11:35:58 +02:00
dispatch.h Drop trailing whitespaces 2014-11-12 10:25:00 +10:00
dixfonts.c dix: Move InitFonts up above screen initialization 2015-12-01 13:55:11 -05:00
dixutils.c dix: Call screen block/wakeup handlers closest to blocking [v3] 2016-06-20 11:54:57 -07:00
enterleave.c dix: Don't update current time in the middle of input event processing 2016-06-01 10:31:52 -07:00
enterleave.h dix: Unexport various implementation details 2015-07-08 16:40:57 -04:00
eventconvert.c dix: send the current axis value in DeviceChangedEvents (#62321) 2013-05-07 09:40:42 +10:00
events.c dix: Don't update current time in the middle of input event processing 2016-06-01 10:31:52 -07:00
extension.c Convert dix/* to new *allocarray functions 2015-04-21 16:57:08 -07:00
ffs.c Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
gc.c Drop trailing whitespaces 2014-11-12 10:25:00 +10:00
getevents.c Input: Add focus-in event source 2015-11-24 11:36:34 +10:00
globals.c dix: Remove bogus input_mutex and input_mutex_count definitions from globals.c 2016-05-30 00:17:15 -07:00
glyphcurs.c Let calloc handle multiplication 2015-04-21 16:57:07 -07:00
grabs.c Convert dix/* to new *allocarray functions 2015-04-21 16:57:08 -07:00
initatoms.c Introduce a consistent coding style 2012-03-21 13:54:42 -07:00
inpututils.c Input: Add DeviceEventSource enum 2015-11-24 11:36:32 +10:00
main.c Create a threaded mechanism for input [v7] 2016-05-26 16:07:54 -07:00
Makefile.am Allow DDX to provide a main() 2013-07-23 23:56:58 +01:00
pixmap.c prime: clean up slave bo properly. (v3) 2016-06-08 12:51:51 -04:00
privates.c privates: Clear screen-specific keys during CloseScreen 2015-09-21 14:18:51 -04:00
property.c dix: Push UpdateCurrentTimeIf down out of the main loop 2016-05-04 10:58:01 -04:00
protocol.txt protocol.txt: Add MIT-SHM 1.2 requests 2015-09-25 09:46:11 -04:00
ptrveloc.c Remove SIGIO support for input [v5] 2016-05-26 16:07:54 -07:00
region.c Convert dix/* to new *allocarray functions 2015-04-21 16:57:08 -07:00
registry.c Build required portions of registry.c automatically [v2] 2014-09-18 15:29:29 -07:00
resource.c configurable maximum number of clients 2015-08-24 00:00:18 -07:00
selection.c dix: Push UpdateCurrentTimeIf down out of the main loop 2016-05-04 10:58:01 -04:00
stubmain.c Allow DDX to provide a main() 2013-07-23 23:56:58 +01:00
swaprep.c Drop trailing whitespaces 2014-11-12 10:25:00 +10:00
swapreq.c Drop trailing whitespaces 2014-11-12 10:25:00 +10:00
tables.c Drop trailing whitespaces 2014-11-12 10:25:00 +10:00
touch.c dix: Reallocate touchpoint buffer at input event time [v2] 2016-05-26 16:07:54 -07:00
window.c dix: Add hybrid full-size/empty-clip mode to SetRootClip 2016-02-22 13:26:31 -05:00
Xserver-dtrace.h.in dix: add dtrace probes to input API 2012-03-22 11:33:42 +10:00
Xserver.d Get rid of const warnings in XSERVER_INPUT_EVENT dtrace probe calls 2015-02-10 18:14:44 -08:00