ephyrdri.c   [plain text]

/*
 * 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

#include <X11/Xutil.h>
#include <X11/Xlibint.h>
#include <GL/glx.h>
#include "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,
                       XID *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 ;
}