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xserver-multidpi/hw/kdrive/ephyr/ephyrdri.c
Dodji Seketeli 4ba76a7e2b Xephyr: port XV/GL stuff of the new multiscreen architecture 
We can now launch GL or XV apps in any of the
        Xephyr screens we want.

	* hw/kdrive/ephyr/hostx.c,h:
	 (hostx_get_window):
	 (hostx_create_window): make these functions be screen
	 number aware.
	* hw/kdrive/ephyr/XF86dri.c : fix some compiler warnings.
	* hw/kdrive/ephyr/ephyrdri.c:
	 (ephyrDRIQueryDirectRenderingCapable),
	 (ephyrDRIOpenConnection),
	 (ephyrDRIAuthConnection),
	 (ephyrDRICloseConnection),
	 (ephyrDRIGetClientDriverName),
	 (ephyrDRICreateContext),
	 (ephyrDRIDestroyContext),
	 (ephyrDRICreateDrawable),
	 (ephyrDRIGetDrawableInfo),
	 (ephyrDRIGetDeviceInfo): in all those functions, don't forward
	 the screen number we receive - from the client - to the host X.
	 We (Xephyr) are always targetting the same X display screen, which is
	 the one Xephyr got launched against. So we enforce that in the code.
	* hw/kdrive/ephyr/ephyrdriext.c:
	 (EphyrMirrorHostVisuals): make this duplicate the visuals of the host X
	  default screen into a given Xephyr screen. This way we have a chance
	  to update the visuals of all Xephyr screen to make them mirror those
	  of the host X.
	 (many other places): specify screen number where required by the api
	 change in hostx.h.
	* hw/kdrive/ephyr/ephyrglxext.c: specify screen number where required
	 by the api change in hostx.h
	* hw/kdrive/ephyr/ephyrhostglx.c: don't forward the screen number we
	  receive - from the client - to the host X.
	  We (Xephyr) are always targetting the same
	  X display screen, which is
	 the one Xephyr got launched against. So we enforce that in the code.
	* hw/kdrive/ephyr/ephyrhostvideo.c,h: take in account the screen number received
	  from the client app. This is useful to know on which Xephyr screen we
	  need to display video stuff.
	* hw/kdrive/ephyr/ephyrvideo.c: update this to reflect the API change
	  in hw/kdrive/ephyr/ephyrhostvideo.h.
	  (ephyrSetPortAttribute): when parameters are not valid
	   - they exceed their validity range - send them to the host anyway
	   and do not return an error to clients.
	  Some host expose buggy validity range, so rejecting client for that
	  is too harsh.
2007-10-03 13:03:34 +02:00

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/*
* Xephyr - A kdrive X server thats runs in a host X window.
* Authored by Matthew Allum <mallum@openedhand.com>
*
* Copyright © 2007 OpenedHand Ltd
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of OpenedHand Ltd not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. OpenedHand Ltd makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* OpenedHand Ltd DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL OpenedHand Ltd BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*
* Authors:
* Dodji Seketeli <dodji@openedhand.com>
*/
#ifdef HAVE_CONFIG_H
#include <kdrive-config.h>
#endif
#ifdef XEPHYR_DRI
#include <X11/Xutil.h>
#include <X11/Xlibint.h>
/*#define _XF86DRI_SERVER_*/
#include <GL/glx.h>
#include <X11/dri/xf86dri.h>
#include "hostx.h"
#include "ephyrdri.h"
#define _HAVE_XALLOC_DECLS
#include "ephyrlog.h"
#include "dixstruct.h"
#include "pixmapstr.h"
#ifndef TRUE
#define TRUE 1
#endif /*TRUE*/
#ifndef FALSE
#define FALSE 0
#endif /*FALSE*/
Bool
ephyrDRIQueryDirectRenderingCapable (int a_screen, Bool *a_is_capable)
{
Display *dpy=hostx_get_display () ;
Bool is_ok=FALSE ;
EPHYR_RETURN_VAL_IF_FAIL (a_is_capable, FALSE) ;
EPHYR_LOG ("enter\n") ;
is_ok = XF86DRIQueryDirectRenderingCapable (dpy, DefaultScreen (dpy),
a_is_capable) ;
EPHYR_LOG ("leave. is_capable:%d, is_ok=%d\n", *a_is_capable, is_ok) ;
return is_ok ;
}
Bool
ephyrDRIOpenConnection (int a_screen,
drm_handle_t *a_sarea,
char **a_bus_id_string)
{
Display *dpy = hostx_get_display () ;
Bool is_ok=FALSE ;
EPHYR_RETURN_VAL_IF_FAIL (a_bus_id_string, FALSE) ;
EPHYR_LOG ("enter. screen:%d\n", a_screen) ;
is_ok = XF86DRIOpenConnection (dpy, DefaultScreen (dpy),
a_sarea,
a_bus_id_string) ;
if (*a_bus_id_string) {
EPHYR_LOG ("leave. bus_id_string:%s, is_ok:%d\n",
*a_bus_id_string, is_ok) ;
} else {
EPHYR_LOG ("leave. bus_id_string:null, is_ok:%d\n",
is_ok) ;
}
return is_ok ;
}
Bool
ephyrDRIAuthConnection (int a_screen, drm_magic_t a_magic)
{
Display *dpy = hostx_get_display () ;
Bool is_ok=FALSE ;
EPHYR_LOG ("enter\n") ;
is_ok = XF86DRIAuthConnection (dpy, DefaultScreen (dpy), a_magic) ;
EPHYR_LOG ("leave. is_ok:%d\n", is_ok) ;
return is_ok ;
}
Bool
ephyrDRICloseConnection (int a_screen)
{
Display *dpy = hostx_get_display () ;
Bool is_ok=FALSE ;
EPHYR_LOG ("enter\n") ;
is_ok = XF86DRICloseConnection (dpy, DefaultScreen (dpy)) ;
EPHYR_LOG ("leave\n") ;
return is_ok ;
}
Bool
ephyrDRIGetClientDriverName (int a_screen,
int *a_ddx_driver_major_version,
int *a_ddx_driver_minor_version,
int *a_ddx_driver_patch_version,
char ** a_client_driver_name)
{
Display *dpy = hostx_get_display () ;
Bool is_ok=FALSE ;
EPHYR_RETURN_VAL_IF_FAIL (a_ddx_driver_major_version
&& a_ddx_driver_minor_version
&& a_ddx_driver_patch_version
&& a_client_driver_name,
FALSE);
EPHYR_LOG ("enter\n") ;
is_ok = XF86DRIGetClientDriverName (dpy, DefaultScreen (dpy),
a_ddx_driver_major_version,
a_ddx_driver_minor_version,
a_ddx_driver_patch_version,
a_client_driver_name) ;
EPHYR_LOG ("major:%d, minor:%d, patch:%d, name:%s\n",
*a_ddx_driver_major_version,
*a_ddx_driver_minor_version,
*a_ddx_driver_patch_version,
*a_client_driver_name) ;
EPHYR_LOG ("leave:%d\n", is_ok) ;
return is_ok ;
}
Bool
ephyrDRICreateContext (int a_screen,
int a_visual_id,
unsigned long int *a_returned_ctxt_id,
drm_context_t *a_hw_ctxt)
{
Display *dpy = hostx_get_display () ;
Bool is_ok=FALSE ;
Visual v;
EPHYR_LOG ("enter. screen:%d, visual:%d\n", a_screen, a_visual_id) ;
memset (&v, 0, sizeof (v)) ;
v.visualid = a_visual_id ;
is_ok = XF86DRICreateContext (dpy,
DefaultScreen (dpy),
&v,
a_returned_ctxt_id,
a_hw_ctxt) ;
EPHYR_LOG ("leave:%d\n", is_ok) ;
return is_ok ;
}
Bool
ephyrDRIDestroyContext (int a_screen,
int a_context_id)
{
Display *dpy = hostx_get_display () ;
Bool is_ok=FALSE ;
EPHYR_LOG ("enter\n") ;
is_ok = XF86DRIDestroyContext (dpy, DefaultScreen (dpy), a_context_id) ;
EPHYR_LOG ("leave:%d\n", is_ok) ;
return is_ok ;
}
Bool
ephyrDRICreateDrawable (int a_screen,
int a_drawable,
drm_drawable_t *a_hw_drawable)
{
Bool is_ok=FALSE;
Display *dpy=hostx_get_display () ;
EPHYR_LOG ("enter\n") ;
is_ok = XF86DRICreateDrawable (dpy, DefaultScreen (dpy),
a_drawable, a_hw_drawable) ;
EPHYR_LOG ("leave. is_ok:%d\n", is_ok) ;
return is_ok ;
}
Bool
ephyrDRIDestroyDrawable (int a_screen, int a_drawable)
{
EPHYR_LOG ("enter\n") ;
EPHYR_LOG_ERROR ("not implemented yet\n") ;
EPHYR_LOG ("leave\n") ;
return FALSE ;
}
Bool
ephyrDRIGetDrawableInfo (int a_screen,
int a_drawable,
unsigned int *a_index,
unsigned int *a_stamp,
int *a_x,
int *a_y,
int *a_w,
int *a_h,
int *a_num_clip_rects,
drm_clip_rect_t **a_clip_rects,
int *a_back_x,
int *a_back_y,
int *a_num_back_clip_rects,
drm_clip_rect_t **a_back_clip_rects)
{
Bool is_ok=FALSE;
Display *dpy=hostx_get_display () ;
EphyrHostWindowAttributes attrs ;
EPHYR_RETURN_VAL_IF_FAIL (a_x && a_y && a_w && a_h
&& a_num_clip_rects,
FALSE) ;
EPHYR_LOG ("enter\n") ;
memset (&attrs, 0, sizeof (attrs)) ;
if (!hostx_get_window_attributes (a_drawable, &attrs)) {
EPHYR_LOG_ERROR ("failed to query host window attributes\n") ;
goto out;
}
if (!XF86DRIGetDrawableInfo (dpy, DefaultScreen (dpy), a_drawable,
a_index, a_stamp,
a_x, a_y,
a_w, a_h,
a_num_clip_rects, a_clip_rects,
a_back_x, a_back_y,
a_num_back_clip_rects,
a_back_clip_rects)) {
EPHYR_LOG_ERROR ("XF86DRIGetDrawableInfo ()\n") ;
goto out ;
}
EPHYR_LOG ("host x,y,w,h: (%d,%d,%d,%d)\n", *a_x, *a_y, *a_w, *a_h) ;
if (*a_num_clip_rects) {
free (*a_back_clip_rects) ;
*a_back_clip_rects = calloc (*a_num_clip_rects,
sizeof (drm_clip_rect_t)) ;
memmove (*a_back_clip_rects,
*a_clip_rects,
*a_num_clip_rects * sizeof (drm_clip_rect_t)) ;
*a_num_back_clip_rects = *a_num_clip_rects;
}
EPHYR_LOG ("num back clip rects:%d, num clip rects:%d\n",
*a_num_clip_rects, *a_num_back_clip_rects) ;
*a_back_x = *a_x ;
*a_back_y = *a_y ;
*a_w = attrs.width;
*a_h = attrs.height;
is_ok = TRUE ;
out:
EPHYR_LOG ("leave. index:%d, stamp:%d, x,y:(%d,%d), w,y:(%d,%d)\n",
*a_index, *a_stamp, *a_x, *a_y, *a_w, *a_h) ;
return is_ok ;
}
Bool
ephyrDRIGetDeviceInfo (int a_screen,
drm_handle_t *a_frame_buffer,
int *a_fb_origin,
int *a_fb_size,
int *a_fb_stride,
int *a_dev_private_size,
void **a_dev_private)
{
Bool is_ok = FALSE ;
Display *dpy = hostx_get_display () ;
EPHYR_RETURN_VAL_IF_FAIL (dpy, FALSE) ;
EPHYR_LOG ("enter\n") ;
is_ok = XF86DRIGetDeviceInfo (dpy, DefaultScreen (dpy), a_frame_buffer,
a_fb_origin, a_fb_size, a_fb_stride,
a_dev_private_size, a_dev_private) ;
EPHYR_LOG ("leave:%d\n", is_ok) ;
return is_ok ;
}
#endif /*EPHYR_DRI*/
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