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load_cursor_argb() may need to be able to fail and have the server fall back
to a software cursor in at least the following circumstances.
1) The hardware can only support some ARGB cursors and this does not just
depend on cursor size.
2) Virtual hardware may not wish to pass through a cursor to the host at a
particular time but may wish to accept the same cursor at another time.
This patch adds a return value to the API and makes the server do the
software fall-back on failure.
Signed-off-by: Michael Thayer <michael.thayer@oracle.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Keith Packard <keithp@keithp.com>

Signed-off-by: Jeremy White <jwhite@codeweavers.com>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Keith Packard <keithp@keithp.com>

This is so we can tell the scanout pixmap has changed between calls
to the crtc set function.
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

This will detach any scanout pixmaps attached to slave crtcs.
Reviewed-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

Add the simple passthrough interface for drivers to use,
so they can set scanout pixmaps.

v2: detach scanout pixmap properly.
Reviewed-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

This adds the framework for DDX provider support.

v2: as per keithp's suggestion remove the xf86 provider object
and just store it in the toplevel object.

v3: update for new protocol

v4: drop devPrivate, free name
Reviewed-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

This is strictly the application of the script 'x-indent-all.sh'
from util/modular. Compared to the patch that Daniel posted in
January, I've added a few indent flags:

	-bap
	-psl
	-T PrivatePtr
	-T pmWait
	-T _XFUNCPROTOBEGIN
	-T _XFUNCPROTOEND
	-T _X_EXPORT

The typedefs were needed to make the output of sdksyms.sh match the
previous output, otherwise, the code is formatted badly enough that
sdksyms.sh generates incorrect output.

The generated code was compared with the previous version and found to
be essentially identical -- "assert" line numbers and BUILD_TIME were
the only differences found.

The comparison was done with this script:

dir1=$1
dir2=$2

for dir in $dir1 $dir2; do
	(cd $dir && find . -name '*.o' | while read file; do
		dir=`dirname $file`
		base=`basename $file .o`
		dump=$dir/$base.dump
		objdump -d $file > $dump
	done)
done

find $dir1 -name '*.dump' | while read dump; do
	otherdump=`echo $dump | sed "s;$dir1;$dir2;"`
	diff -u $dump $otherdump
done
Signed-off-by: Keith Packard <keithp@keithp.com>
Acked-by: Daniel Stone <daniel@fooishbar.org>
Acked-by: Alan Coopersmith <alan.coopersmith@oracle.com>

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com>

https://bugs.freedesktop.org/show_bug.cgi?id=29111Signed-off-by: Julien Cristau <jcristau@debian.org>
Tested-by: Cyril Brulebois <kibi@debian.org>
Reviewed-by: Cyril Brulebois <kibi@debian.org>

When the driver can handle the crtc transform in hardware, it sets
crtc->driverIsPerformingTransform, which turns off both the shadow
layer and the cursor's position-transforming code.  However, some
drivers actually do require the cursor position to still be
transformed in these cases.  Move the cursor position transform into a
helper function that can be called by such drivers.
Signed-off-by: Aaron Plattner <aplattner@nvidia.com>

If a driver can use hardware to handle the crtc transform, then
there's no need for the server's shadow layer to do it.  Add a crtc
flag that lets the driver indicate that it is handling the transform.
If it's set, consider the transformed size of the screen but don't
actually enable the shadow layer.  Also stop adjusting the cursor
image and position.
Signed-off-by: Aaron Plattner <aplattner@nvidia.com>

This reverts commit 8b35118c.

This reverts commit 66294afc.

This reverts commit 86c489c3.

This reverts commit 82612045.

This adds new driver hooks to allocate scanout pixmaps and
changes the mode setting APIs to pass the new scanout pixmaps
along from DIX. DIX is responsible for reference counting the pixmaps
by tracking them through RRCrtcNotify.
Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Aaron Plattner <aplattner@nvidia.com>

This provides a driver hook which can either completely replace, or
just validate the parameters for, the RRSetCrtcConfigs request.
Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Aaron Plattner <aplattner@nvidia.com>

This implements sprite position transformations. Sprite image
transforms are passed all the way to the DDX layer, but the images are
not yet manipulated before being passed to the drivers.
Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Aaron Plattner <aplattner@nvidia.com>

xf86CrtcSetModeTransform was starting to get ridiculous with 6
arguments, this change has it take a single structure that contains
all of those values along with a set of flags that says which have
changed.
Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Aaron Plattner <aplattner@nvidia.com>

When the compat output is missing (I don't think this is actually
possible), or is disabled (and hence has no crtc), we would like to
avoid dereferencing NULL pointers. This patch creates inline functions
to extract the current compat output, crtc or associated RandR crtc
structure, carefully checking for NULL pointers everywhere.
Reviewed-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Keith Packard <keithp@keithp.com>

Removing DGA ended up breaking any drivers calling into the old
xf86DiDGAInit function as it tried to see if DGA was already enabled
and ended up crashing if the VT wasn't completely initialized. Oops.

Also, if the driver initializes DGA itself, have the DiDGA
initialization overwrite that information as the DiDGA code will call
ReInit on mode detect.
Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

When the crtc transformation changes, the entire crtc must be repainted.
This was being done by clearing the shadow and then painting the rectangle
containing the screen image; the clear being required as the screen image
may not fill the crtc. When changing the transform rapidly, this leads to
flashing. Eliminate the clear by painting the entire crtc instead of just
the screen rectangle.
Signed-off-by: Keith Packard <keithp@keithp.com>

  All symbols in installed sdk headers should be explicitly tagged
as exported symbols. Otherwise, to ensure it is not a mistake, one
could write it as something like:
extern /* NOEXPORT */ type name ...;
but the proper procedure really should be to use a non sdk header
(or a "noinst_" one).
  This patch also removes prototypes to some functions that existed
only temporarily.

It's optional, so we might as well work when it's disabled.
Signed-off-by: Daniel Stone <daniel@fooishbar.org>

- Add active field to crtc.
- Set gamma (only) whenever a crtc becomes active.
- Check for xf86_config being NULL.
- Increase crtc abi to 3.
- A few other fixes.

- The Gamma values from the monitor section are now used during initial config.
- The old colormap system is disabled when gamma set hook is available.
- Gamma values are now persistent for the lifetime of the xserver.
- This requires no driver changes and should be driver ABI compatible.

The shadow frame buffer and other data used for rotation need to be freed
when the crtc is disabled, not just when rotation is disabled.
Signed-off-by: Keith Packard <keithp@keithp.com>

  All .a libraries were converted to .la, and instead of linking the
Xorg binary with a mix of .a and .la, and adding some libraries more
then once in the command line, etc, now it generates a single libxorg.la
from all the required convenience libraries, and links with a dummy
xorg.c (that should usually be the file with the main function...).
This removes the requirement of some things like libosandcommon and
libinit, that existed to circumvent problems when linking multiple
.a and .la in the final Xorg binary.

  The "symbol table" is now generated dynamically, by a shell script,
with an embedded gawk parser that parses cpp output. The new file
sdksyms.sh is generated by hand by analyzing all Makefile.am's and
making it create a sdksyms.c file, that includes all sdk headers that
will add symbols for the Xorg binary. Module headers aren't read, and
a in 2 files it was required to add a "<hash>ifndef XorgLoader" around
declarations shared between the Xorg binary and libextmod. A few
other changes were added to other sdk headers, like preventing
multiple inclusion, or including other headers to satisfy dependencies.

  This should be a lot more portable, and better (hopefully properly)
using libtool to generate convenience libraries.

  The attribute should be set on header files to make it easier to
manage what symbols are available to modules.
  _X_EXPORT should be used in sources only for special cases, like
symbols that must be visible by non video/input driver/modules but
should not be "advertised" in the sdk.

  Save in a few special cases, _X_EXPORT should not be used in C source
files. Instead, it should be used in headers, and the proper C source
include that header. Some special cases are symbols that need to be
shared between modules, but not expected to be used by external drivers,
and symbols that are accessible via LoaderSymbol/dlopen.

  This patch also adds conditionally some new sdk header files, depending
on extensions enabled. These files were added to match pattern for
other extensions/modules, that is, have the headers "deciding" symbol
visibility in the sdk. These headers are:
o Xext/panoramiXsrv.h, Xext/panoramiX.h
o fbpict.h (unconditionally)
o vidmodeproc.h
o mioverlay.h (unconditionally, used only by xaa)
o xfixes.h (unconditionally, symbols required by dri2)

  LoaderSymbol and similar functions now don't have different prototypes,
in loaderProcs.h and xf86Module.h, so that both headers can be included,
without the need of defining IN_LOADER.

  xf86NewInputDevice() device prototype readded to xf86Xinput.h, but
not exported (and with a comment about it).

Track curent transform down in the mode setting code so that it may be set
separately from RandR.

RandR matrix computations lose too much precision in fixed point;
computations using the inverted matrix can be as much as 10 pixels off.
Convert them to double precision values and pass those around. These API
changes are fairly heavyweight; the official Render interface remains fixed
point, so the fixed point matrix comes along for the ride everywhere.

Create new RRTransform datatype to hold all of the transform related
information, use that in lots of places to pass filters around.

Drivers that care about crtc positions on the screen to ensure that vblank
works correctly need to be notified when crtcs are changed.

Provide a hook in the mode setting code that is invoked whenever any
configuration is done to the screen.

Use this new hook in the DRI code so that DRI clients are notified and
receive updated information.
Signed-off-by: Keith Packard <keithp@keithp.com>

LeaveVT/EnterVT cycles will free/realloc shadow frame buffers. Because of
this, the presense/absence of that data is insufficient to know whether
the screen function wrappers are necessary. Instead, the 'transform_in_use'
flag should be used.

This patch also adds 'xf86RotateFreeShadow' for drivers to use at LeaveVT
time to free the rotation data; it will be reallocated on EnterVT.