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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1986-2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_MEMVAR_H
#define _SYS_MEMVAR_H
#pragma ident "%Z%%M% %I% %E% SMI" /* SunOS4.1.2 1.45 */
#ifdef __cplusplus
extern "C" {
#endif
/*
* A memory pixrect is a special type of pixrect. Its image resides in
* memory, in a publicly known format permitting more direct access to the
* image than possible with the general pixrectops.
*
* In the memory pixrect the image is stored in consecutive memory locations,
* across the row from left to right, and then from top to bottom. Each row
* is padded to a 16-bit or 32-bit boundary (for details refer to the Pixrect
* Reference Manual).
*
* The depth of a pixel is the number of bits required to represent it.
* Pixels are placed in consecutive fields of width the depth of each pixel,
* with placement being independent of word or byte boundaries.
*/
struct mpr_data {
int md_linebytes; /* number of bytes from one line to next */
short *md_image; /* word address */
struct pr_pos md_offset;
short md_primary;
short md_flags; /* Flag bits, see below */
};
/* pixrect data for memory pixrect with plane mask (MP_PLANEMASK set) */
struct mprp_data {
struct mpr_data mpr;
int planes;
};
#define mpr_d(pr) ((struct mpr_data *)(pr)->pr_data)
#define mprp_d(pr) ((struct mprp_data *)(pr)->pr_data)
/* md_flags bits definitions */
#define MP_REVERSEVIDEO 1 /* Pixrect is reverse video */
/* (should only be set if pr_depth = 1) */
#define MP_DISPLAY 2 /* Pixrect is a frame buffer device */
#define MP_PLANEMASK 4 /* Pixrect has a plane mask */
/* (should only be set if pr_depth > 1) */
#if defined(__i386)
#define MP_I386 8 /* Pixrect is for 386 architecture */
#define MP_STATIC 16 /* Pixrect is a static pixrect */
#endif
#define MP_FONT 32 /* Pixrect is a part of a Pixfont */
/* (hint to pr_batchrop) */
/*
* Each line (row) of the pixrect is padded to be a multiple
* of this many bits
*/
#define MPR_LINEBITPAD 16
#define mpr_linebytes(x, depth) \
(((pr_product(x, depth) + (MPR_LINEBITPAD-1)) >> 3) &~ 1)
#define mpr_prlinebytes(mpr) \
mpr_linebytes((mpr)->pr_size.x, (mpr)->pr_depth)
#define mpr_mdlinebytes(mpr) \
(mpr_d(mpr)->md_linebytes)
#define mprd_addr(mprd, xo, yo) \
((short *)(\
(int)(mprd)->md_image \
+ pr_product((mprd)->md_linebytes, (mprd)->md_offset.y+(yo)) \
+ (((mprd)->md_offset.x+(xo)) >> 3) &~ 1))
#define mprd8_addr(mprd, xo, yo, d) \
((uchar_t *)(\
(int)(mprd)->md_image \
+ pr_product((mprd)->md_linebytes, (mprd)->md_offset.y+(yo)) \
+ (pr_product((mprd)->md_offset.x+(xo), (d)) >> 3)))
#define mprd_skew(mprd, xo, yo) \
(((mprd)->md_offset.x + (xo)) & 15)
#define mprs_addr(mprs) _mprs_addr((struct pr_prpos *)&(mprs))
#define mprs8_addr(mprs) _mprs8_addr((struct pr_prpos *)&(mprs))
#define mprs_skew(mprs) _mprs_skew((struct pr_prpos *)&(mprs))
#if !defined __lint || !defined _KERNEL || defined(sun2)
short *_mprs_addr();
uchar_t *_mprs8_addr();
int _mprs_skew();
#endif
/*
* Static pixrects. A pixrect may be created at compile time using the
* mpr_static macro as part of the static declarations of a program. Thus
* mpr_static(cursor, 16, 16, 1, rawcursordata);
* will declare and initialize (using rawcursordata) the storage needed
* for a pixrect that may be referred to as 'cursor' subsequently in the
* same file, or as &cursor if a pointer to that pixrect is called for rather
* than the pixrect itself.
*/
/*
* First a pair of utility macros that allow concatenation in a fashion that
* won't annoy lint (These belong in a standard header file!):
*/
#if defined(__STDC__) && !defined(__LIBCPP__)
#ifndef CAT
#define CAT(a, b) a##b
#endif
#else /* __STDC__ */
#ifndef CAT
#undef IDENT
#define IDENT(x) x
#define CAT(a, b) IDENT(a)b
#endif
#endif /* __STDC__ */
#define mpr_static(name, w, h, d, image) \
struct mpr_data CAT(name, _data) = \
{mpr_linebytes(w, d), (short *)(image), {0, 0}, 0, 0}; \
Pixrect name = {&mem_ops, w, h, d, (caddr_t)&CAT(name, _data)}
/* static pixrect with variables declared "static" */
#define mpr_static_static(name, w, h, d, image) \
static struct mpr_data CAT(name, _data) = \
{mpr_linebytes(w, d), (short *)(image), {0, 0}, 0, 0}; \
static Pixrect name = {&mem_ops, w, h, d, (caddr_t)&CAT(name, _data)}
/*
* During rop calls need to determine if dst/src is something that
* mem_rop() can handle. Use the following macro to find out.
*/
#define MP_NOTMPR(pr) ((pr)->pr_ops->pro_rop != mem_rop)
extern struct pixrectops mem_ops;
int mem_rop();
#ifndef _KERNEL
int mem_stencil();
int mem_batchrop();
Pixrect *mem_create(); /* General mpr create routine */
Pixrect *mem_point(); /* Even more general mpr create */
int mem_destroy();
int mem_get();
int mem_put();
int mem_vector();
Pixrect *mem_region();
#endif /* _KERNEL */
int mem_putcolormap();
int mem_putattributes();
#ifndef _KERNEL
int mem_getcolormap();
int mem_getattributes();
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_MEMVAR_H */
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