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EXA: Handle separate alpha maps properly in Composite fallback.

Browse source 
Fixes https://bugs.freedesktop.org/show_bug.cgi?id=18710 .

As this can't work without new EXA_PREPARE_AUX* indices, this requires a major
version bump, so we can also drop the UploadToScratch driver hook and
ExaOffscreenSwap*(). So this also fixes
http://bugs.freedesktop.org/show_bug.cgi?id=20213 .

Moreover, introduce EXA_DRIVER_KNOWN_MAJOR to break compilation of drivers
which may not be able to handle EXA_PREPARE_AUX*, giving instructions how to
make them build again in the #error message.

Signed-off-by: Michel Dänzer <daenzer@vmware.com>
This commit is contained in:
Michel Dänzer 2009-02-24 09:22:09 +01:00
commit 170cf1270d
7 changed files with 47 additions and 109 deletions
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3
exa/Makefile.am
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@ -12,7 +12,8 @@ INCLUDES = \
$(XORG_INCS) \
-I$(srcdir)/../miext/cw
AM_CFLAGS = $(XORG_CFLAGS) $(DIX_CFLAGS)
# Use an arbitrary high major version here to satisfy any driver checks in exa.h
AM_CFLAGS = $(XORG_CFLAGS) $(DIX_CFLAGS) -DEXA_DRIVER_KNOWN_MAJOR=99
libexa_la_SOURCES = \
exa.c \