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/**************************************************************************
*
* Copyright 2009 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <X11/X.h>
#include <X11/Xlib.h>
#include <drm/drm.h>
#include "pipe/p_screen.h"
#include "pipe/p_context.h"
#include "st_winsys.h"
#include "radeon_winsys.h"
#include "xf86dri.h"
/* XXX: Force init_gallium symbol to be linked */
extern void init_gallium(void);
void (*force_init_gallium_linkage)(void) = &init_gallium;
static struct pipe_screen *
radeon_hardpipe_screen_create(void)
{
Display *dpy;
Window rootWin;
XWindowAttributes winAttr;
int isCapable;
int screen;
char *driverName;
char *curBusID;
unsigned magic;
int ddxDriverMajor;
int ddxDriverMinor;
int ddxDriverPatch;
drm_handle_t sAreaOffset;
int ret;
int drmFD;
drm_context_t hHWContext;
XID id;
dpy = XOpenDisplay(":0");
if (!dpy) {
fprintf(stderr, "Open Display Failed\n");
return NULL;
}
screen = DefaultScreen(dpy);
rootWin = RootWindow(dpy, screen);
XGetWindowAttributes(dpy, rootWin, &winAttr);
ret = uniDRIQueryDirectRenderingCapable(dpy, screen, &isCapable);
if (!ret || !isCapable) {
fprintf(stderr, "No DRI on this display:sceen\n");
goto error;
}
if (!uniDRIOpenConnection(dpy, screen, &sAreaOffset,
&curBusID)) {
fprintf(stderr, "Could not open DRI connection.\n");
goto error;
}
if (!uniDRIGetClientDriverName(dpy, screen, &ddxDriverMajor,
&ddxDriverMinor, &ddxDriverPatch,
&driverName)) {
fprintf(stderr, "Could not get DRI driver name.\n");
goto error;
}
if ((drmFD = drmOpen(NULL, curBusID)) < 0) {
perror("DRM Device could not be opened");
goto error;
}
drmGetMagic(drmFD, &magic);
if (!uniDRIAuthConnection(dpy, screen, magic)) {
fprintf(stderr, "Could not get X server to authenticate us.\n");
goto error;
}
if (!uniDRICreateContext(dpy, screen, winAttr.visual,
&id, &hHWContext)) {
fprintf(stderr, "Could not create DRI context.\n");
goto error;
}
/* FIXME: create a radeon pipe_screen from drmFD and hHWContext */
return NULL;
error:
return NULL;
}
const struct st_winsys st_hardpipe_winsys = {
&radeon_hardpipe_screen_create,
};
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