Add a manpage for EXA.

.gitignore

@@ -144,6 +144,8 @@ hw/xfree86/doc/man/Xorg.1x
 hw/xfree86/doc/man/Xorg.man
 hw/xfree86/doc/man/xorg.conf.5x
 hw/xfree86/doc/man/xorg.conf.man
+hw/xfree86/exa/exa.4
+hw/xfree86/exa/exa.man
 hw/xfree86/fbdevhw/fbdevhw.4x
 hw/xfree86/fbdevhw/fbdevhw.man
 hw/xfree86/getconfig/cfg.man

hw/xfree86/exa/Makefile.am

@@ -14,3 +14,15 @@ libexa_la_SOURCES = \
 
 libexa_la_LIBADD = \
 	../../../exa/libexa.la
+
+include $(top_srcdir)/cpprules.in
+
+drivermandir = $(DRIVER_MAN_DIR)
+driverman_DATA = exa.$(DRIVER_MAN_SUFFIX)
+CLEANFILES = $(driverman_DATA) exa.man
+
+exa.$(DRIVER_MAN_SUFFIX): exa.man
+	-rm -f exa.$(DRIVER_MAN_SUFFIX)
+	$(LN_S) exa.man exa.$(DRIVER_MAN_SUFFIX)
+
+EXTRA_DIST = exa.man.pre README

hw/xfree86/exa/exa.man.pre

@@ -0,0 +1,40 @@
+.\" shorthand for double quote that works everywhere.
+.ds q \N'34'
+.TH EXA __drivermansuffix__ __vendorversion__
+.SH NAME
+exa \- new 2D acceleration architecture for X.Org
+.SH DESCRIPTION
+.B EXA
+provides a simple API for video drivers to implement for 2D acceleration.  It
+is a module loaded by drivers, and is not intended to be loaded on its own.  See
+your driver's manual page for how to enable 
+.B EXA
+.
+.PP
+The
+.B EXA
+architecture is designed to make accelerating the Render extension simple and
+efficient, and results in various performance tradeoffs compared to XAA.  Some
+options are available for debugging performance issues or driver rendering
+problems.  They are not intended for general use.
+.TP
+.BI "Option \*qEXANoComposite\*q \*q" boolean \*q
+Disables acceleration of the Composite operation, which is at the heart of
+the Render extension.  Not related to the Composite extension.  Default: No.
+.TP
+.BI "Option \*qEXANoUploadToScreen\*q \*q" boolean \*q
+Disables acceleration of uploading pixmap data to the freamebuffer. Default: No.
+.TP
+.BI "Option \*qEXANoDownloadFromScreen\*q \*q" boolean \*q
+Disables acceleration of downloading of pixmap data from the framebuffer. 
+.B NOTE:
+Not usable with drivers which rely on DownloadFromScreen succeeding.
+Default: No.
+.TP
+.BI "Option \*qMigrationHeuristic\*q \*q" anystr \*q
+Chooses an alternate pixmap migration heuristic, for debugging purposes.  The
+default is intended to be the best performing one for general use, though others
+may help with specific use cases.  Available options include \*qalways\*q,
+\*qgreedy\*q, and \*qsmart\*q.  Default: smart.
+.SH AUTHORS
+Authors include: Keith Packard, Eric Anholt, Zack Rusin, and Michel Dänzer