357 lines
12 KiB
C
357 lines
12 KiB
C
/*
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* Xephyr - A kdrive X server thats runs in a host X window.
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* Authored by Matthew Allum <mallum@openedhand.com>
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*
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* Copyright © 2007 OpenedHand Ltd
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of OpenedHand Ltd not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. OpenedHand Ltd makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* OpenedHand Ltd DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL OpenedHand Ltd BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*
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* Authors:
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* Dodji Seketeli <dodji@openedhand.com>
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*/
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#ifdef HAVE_CONFIG_H
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#include <kdrive-config.h>
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#endif
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#include <X11/Xdefs.h>
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#include <xcb/xf86dri.h>
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#include "hostx.h"
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#include "ephyrdri.h"
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#define _HAVE_XALLOC_DECLS
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#include "ephyrlog.h"
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#include "dixstruct.h"
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#include "pixmapstr.h"
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#ifndef TRUE
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#define TRUE 1
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#endif /*TRUE*/
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#ifndef FALSE
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#define FALSE 0
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#endif /*FALSE*/
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Bool
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ephyrDRIQueryDirectRenderingCapable(int a_screen, Bool *a_is_capable)
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{
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xcb_connection_t *conn = hostx_get_xcbconn();
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Bool is_ok = FALSE;
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xcb_xf86dri_query_direct_rendering_capable_cookie_t cookie;
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xcb_xf86dri_query_direct_rendering_capable_reply_t *reply;
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EPHYR_RETURN_VAL_IF_FAIL(a_is_capable, FALSE);
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EPHYR_LOG("enter\n");
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cookie = xcb_xf86dri_query_direct_rendering_capable(conn,
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hostx_get_screen());
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reply = xcb_xf86dri_query_direct_rendering_capable_reply(conn, cookie, NULL);
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if (reply) {
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is_ok = TRUE;
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*a_is_capable = reply->is_capable;
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free(reply);
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}
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EPHYR_LOG("leave. is_capable:%d, is_ok=%d\n", *a_is_capable, is_ok);
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return is_ok;
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}
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Bool
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ephyrDRIOpenConnection(int a_screen,
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drm_handle_t * a_sarea, char **a_bus_id_string)
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{
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xcb_connection_t *conn = hostx_get_xcbconn();
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Bool is_ok = FALSE;
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xcb_xf86dri_open_connection_cookie_t cookie;
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xcb_xf86dri_open_connection_reply_t *reply;
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EPHYR_RETURN_VAL_IF_FAIL(a_bus_id_string, FALSE);
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EPHYR_LOG("enter. screen:%d\n", a_screen);
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cookie = xcb_xf86dri_open_connection(conn, hostx_get_screen());
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reply = xcb_xf86dri_open_connection_reply(conn, cookie, NULL);
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if (!reply)
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goto out;
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*a_sarea = reply->sarea_handle_low;
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if (sizeof(drm_handle_t) == 8) {
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int shift = 32;
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*a_sarea |= ((drm_handle_t) reply->sarea_handle_high) << shift;
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}
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*a_bus_id_string = malloc(reply->bus_id_len + 1);
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if (!*a_bus_id_string)
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goto out;
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memcpy(*a_bus_id_string, xcb_xf86dri_open_connection_bus_id(reply), reply->bus_id_len);
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*a_bus_id_string[reply->bus_id_len] = '\0';
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is_ok = TRUE;
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out:
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free(reply);
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EPHYR_LOG("leave. bus_id_string:%s, is_ok:%d\n", *a_bus_id_string, is_ok);
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return is_ok;
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}
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Bool
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ephyrDRIAuthConnection(int a_screen, drm_magic_t a_magic)
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{
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xcb_connection_t *conn = hostx_get_xcbconn();
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int screen = hostx_get_screen();
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xcb_xf86dri_auth_connection_cookie_t cookie;
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xcb_xf86dri_auth_connection_reply_t *reply;
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Bool is_ok = FALSE;
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EPHYR_LOG("enter\n");
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cookie = xcb_xf86dri_auth_connection(conn, screen, a_magic);
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reply = xcb_xf86dri_auth_connection_reply(conn, cookie, NULL);
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is_ok = reply->authenticated;
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free(reply);
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EPHYR_LOG("leave. is_ok:%d\n", is_ok);
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return is_ok;
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}
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Bool
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ephyrDRICloseConnection(int a_screen)
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{
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xcb_connection_t *conn = hostx_get_xcbconn();
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int screen = hostx_get_screen();
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EPHYR_LOG("enter\n");
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xcb_xf86dri_close_connection(conn, screen);
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EPHYR_LOG("leave\n");
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return TRUE;
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}
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Bool
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ephyrDRIGetClientDriverName(int a_screen,
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int *a_ddx_driver_major_version,
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int *a_ddx_driver_minor_version,
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int *a_ddx_driver_patch_version,
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char **a_client_driver_name)
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{
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xcb_connection_t *conn = hostx_get_xcbconn();
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int screen = hostx_get_screen();
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xcb_xf86dri_get_client_driver_name_cookie_t cookie;
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xcb_xf86dri_get_client_driver_name_reply_t *reply;
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Bool is_ok = FALSE;
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EPHYR_RETURN_VAL_IF_FAIL(a_ddx_driver_major_version
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&& a_ddx_driver_minor_version
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&& a_ddx_driver_patch_version
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&& a_client_driver_name, FALSE);
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EPHYR_LOG("enter\n");
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cookie = xcb_xf86dri_get_client_driver_name(conn, screen);
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reply = xcb_xf86dri_get_client_driver_name_reply(conn, cookie, NULL);
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if (!reply)
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goto out;
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*a_ddx_driver_major_version = reply->client_driver_major_version;
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*a_ddx_driver_minor_version = reply->client_driver_minor_version;
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*a_ddx_driver_patch_version = reply->client_driver_patch_version;
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*a_client_driver_name = malloc(reply->client_driver_name_len + 1);
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if (!*a_client_driver_name)
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goto out;
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memcpy(*a_client_driver_name,
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xcb_xf86dri_get_client_driver_name_client_driver_name(reply),
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reply->client_driver_name_len);
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(*a_client_driver_name)[reply->client_driver_name_len] = '\0';
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is_ok = TRUE;
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EPHYR_LOG("major:%d, minor:%d, patch:%d, name:%s\n",
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*a_ddx_driver_major_version,
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*a_ddx_driver_minor_version,
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*a_ddx_driver_patch_version, *a_client_driver_name);
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out:
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free(reply);
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EPHYR_LOG("leave:%d\n", is_ok);
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return is_ok;
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}
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Bool
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ephyrDRICreateContext(int a_screen,
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int a_visual_id,
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CARD32 ctxt_id, drm_context_t * a_hw_ctxt)
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{
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xcb_connection_t *conn = hostx_get_xcbconn();
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int screen = hostx_get_screen();
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Bool is_ok = FALSE;
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xcb_xf86dri_create_context_cookie_t cookie;
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xcb_xf86dri_create_context_reply_t *reply;
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ctxt_id = xcb_generate_id(conn);
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EPHYR_LOG("enter. screen:%d, visual:%d\n", a_screen, a_visual_id);
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cookie = xcb_xf86dri_create_context(conn, screen, a_visual_id, ctxt_id);
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reply = xcb_xf86dri_create_context_reply(conn, cookie, NULL);
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if (!reply)
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goto out;
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*a_hw_ctxt = reply->hw_context;
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is_ok = TRUE;
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out:
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free(reply);
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EPHYR_LOG("leave:%d\n", is_ok);
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return is_ok;
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}
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Bool
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ephyrDRIDestroyContext(int a_screen, int a_context_id)
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{
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xcb_connection_t *conn = hostx_get_xcbconn ();
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int screen = hostx_get_screen();
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EPHYR_LOG("enter\n");
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xcb_xf86dri_destroy_context(conn, screen, a_context_id);
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EPHYR_LOG("leave\n");
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return TRUE;
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}
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Bool
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ephyrDRICreateDrawable(int a_screen,
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int a_drawable, drm_drawable_t * a_hw_drawable)
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{
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Bool is_ok = FALSE;
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xcb_connection_t *conn = hostx_get_xcbconn();
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int screen = hostx_get_screen();
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xcb_xf86dri_create_drawable_cookie_t cookie;
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xcb_xf86dri_create_drawable_reply_t *reply;
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EPHYR_LOG("enter\n");
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cookie = xcb_xf86dri_create_drawable(conn, screen, a_drawable);
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reply = xcb_xf86dri_create_drawable_reply(conn, cookie, NULL);
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if (!reply)
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goto out;
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*a_hw_drawable = reply->hw_drawable_handle;
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is_ok = TRUE;
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out:
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free(reply);
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EPHYR_LOG("leave. is_ok:%d\n", is_ok);
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return is_ok;
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}
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Bool
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ephyrDRIDestroyDrawable(int a_screen, int a_drawable)
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{
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EPHYR_LOG("enter\n");
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EPHYR_LOG_ERROR("not implemented yet\n");
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EPHYR_LOG("leave\n");
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return FALSE;
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}
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Bool
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ephyrDRIGetDrawableInfo(int a_screen,
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int a_drawable,
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unsigned int *a_index,
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unsigned int *a_stamp,
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int *a_x,
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int *a_y,
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int *a_w,
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int *a_h,
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int *a_num_clip_rects,
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drm_clip_rect_t ** a_clip_rects,
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int *a_back_x,
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int *a_back_y,
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int *a_num_back_clip_rects,
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drm_clip_rect_t ** a_back_clip_rects)
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{
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Bool is_ok = FALSE;
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xcb_connection_t *conn = hostx_get_xcbconn();
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int screen = hostx_get_screen();
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xcb_xf86dri_get_drawable_info_cookie_t cookie;
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xcb_xf86dri_get_drawable_info_reply_t *reply = NULL;
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EphyrHostWindowAttributes attrs;
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EPHYR_RETURN_VAL_IF_FAIL(a_x && a_y && a_w && a_h
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&& a_num_clip_rects, FALSE);
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EPHYR_LOG("enter\n");
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memset(&attrs, 0, sizeof(attrs));
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if (!hostx_get_window_attributes(a_drawable, &attrs)) {
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EPHYR_LOG_ERROR("failed to query host window attributes\n");
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goto out;
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}
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cookie = xcb_xf86dri_get_drawable_info(conn, screen, a_drawable);
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reply = xcb_xf86dri_get_drawable_info_reply(conn, cookie, NULL);
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if (!reply) {
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EPHYR_LOG_ERROR ("XF86DRIGetDrawableInfo ()\n");
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goto out;
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}
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*a_index = reply->drawable_table_index;
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*a_stamp = reply->drawable_table_stamp;
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*a_x = reply->drawable_origin_X;
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*a_y = reply->drawable_origin_Y;
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*a_w = reply->drawable_size_W;
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*a_h = reply->drawable_size_H;
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*a_num_clip_rects = reply->num_clip_rects;
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*a_clip_rects = calloc(*a_num_clip_rects, sizeof(drm_clip_rect_t));
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memcpy(*a_clip_rects, xcb_xf86dri_get_drawable_info_clip_rects(reply),
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*a_num_clip_rects * sizeof(drm_clip_rect_t));
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EPHYR_LOG("host x,y,w,h: (%d,%d,%d,%d)\n", *a_x, *a_y, *a_w, *a_h);
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if (*a_num_clip_rects) {
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free(*a_back_clip_rects);
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*a_back_clip_rects = calloc(*a_num_clip_rects, sizeof(drm_clip_rect_t));
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memmove(*a_back_clip_rects,
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*a_clip_rects, *a_num_clip_rects * sizeof(drm_clip_rect_t));
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*a_num_back_clip_rects = *a_num_clip_rects;
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}
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EPHYR_LOG("num back clip rects:%d, num clip rects:%d\n",
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*a_num_clip_rects, *a_num_back_clip_rects);
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*a_back_x = *a_x;
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*a_back_y = *a_y;
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*a_w = attrs.width;
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*a_h = attrs.height;
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is_ok = TRUE;
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out:
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EPHYR_LOG("leave. index:%d, stamp:%d, x,y:(%d,%d), w,y:(%d,%d)\n",
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*a_index, *a_stamp, *a_x, *a_y, *a_w, *a_h);
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free(reply);
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return is_ok;
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}
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Bool
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ephyrDRIGetDeviceInfo(int a_screen,
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drm_handle_t * a_frame_buffer,
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int *a_fb_origin,
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int *a_fb_size,
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int *a_fb_stride,
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int *a_dev_private_size, void **a_dev_private)
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{
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Bool is_ok = FALSE;
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xcb_connection_t *conn = hostx_get_xcbconn ();
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int screen = hostx_get_screen();
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xcb_xf86dri_get_device_info_cookie_t cookie;
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xcb_xf86dri_get_device_info_reply_t *reply;
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EPHYR_RETURN_VAL_IF_FAIL(conn, FALSE);
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EPHYR_LOG("enter\n");
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cookie = xcb_xf86dri_get_device_info(conn, screen);
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reply = xcb_xf86dri_get_device_info_reply(conn, cookie, NULL);
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if (!reply)
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goto out;
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*a_frame_buffer = reply->framebuffer_handle_low;
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if (sizeof(drm_handle_t) == 8) {
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int shift = 32;
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*a_frame_buffer |= ((drm_handle_t)reply->framebuffer_handle_high) << shift;
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}
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*a_fb_origin = reply->framebuffer_origin_offset;
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*a_fb_size = reply->framebuffer_size;
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*a_fb_stride = reply->framebuffer_stride;
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*a_dev_private_size = reply->device_private_size;
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*a_dev_private = calloc(reply->device_private_size, 1);
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if (!*a_dev_private)
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goto out;
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memcpy(*a_dev_private,
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xcb_xf86dri_get_device_info_device_private(reply),
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reply->device_private_size);
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is_ok = TRUE;
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out:
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free(reply);
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EPHYR_LOG("leave:%d\n", is_ok);
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return is_ok;
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}
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