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/* -*- pse-c -*-
*-----------------------------------------------------------------------------
* Filename: state2d.h
* $Revision: 1.3 $
*-----------------------------------------------------------------------------
* Copyright © 2002-2010, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*
*-----------------------------------------------------------------------------
* Description:
* This file is the header file for manipulating the 2D State variables.
*-----------------------------------------------------------------------------
*/
#ifndef _STATE2D_H
#define _STATE2D_H
/* IGD */
#include <igd_render.h>
typedef struct _state2d {
igd_rect_t dest_rect;
unsigned int clip_status;
} state2d_t;
#define STATE2D(ac) ((state2d_t *)ac->state2d)
#define STATE2D_SET_CLIP(ac, rect) \
if(ac) { \
OS_MEMCPY(&((state2d_t *)(ac)->state2d)->dest_rect, rect, \
sizeof(igd_rect_t)); \
}
/*
* Checking for the 2D appcontext instead of the appcontext
* pointer because the state2d could be null during botched
* allocation.
*/
#define STATE2D_GET_CLIP(ac) \
(((ac) && ((state2d_t *)(ac)->state2d))? \
(&((state2d_t *)(ac)->state2d)->dest_rect):NULL)
#define STATE2D_GET_CLIP_STATUS(ac) \
(((ac) && ((state2d_t *)(ac)->state2d))? \
(((state2d_t *)(ac)->state2d)->clip_status):0)
#define STATE2D_SET_CLIP_STATUS(ac, s) \
(((ac) && ((state2d_t *)(ac)->state2d))? \
(((state2d_t *)(ac)->state2d)->clip_status = s):0)
#endif /*_STATE2D_H */
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