src/mesa/drivers/dos/internal.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  4.0
   4  *
   5  * Copyright (C) 1999  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 /*
  26  * DOS/DJGPP device driver for Mesa
  27  *
  28  *  Author: Daniel Borca
  29  *  Email : dborca@users.sourceforge.net
  30  *  Web   : http://www.geocities.com/dborca
  31  */
  32
  33
  34 #ifndef INTERNAL_H_included
  35 #define INTERNAL_H_included
  36
  37 #include "../main/mtypes.h"
  38
  39
  40 /*
  41  * general purpose defines, etc.
  42  */
  43 #ifndef FALSE
  44 #define FALSE 0
  45 #define TRUE !FALSE
  46 #endif
  47
  48 #define __PACKED__ __attribute__((packed))
  49
  50 typedef unsigned char word8;
  51 typedef unsigned short word16;
  52 typedef unsigned long word32;
  53
  54 #define _16_ *(word16 *)&
  55 #define _32_ *(word32 *)&
  56
  57 typedef void (*BLTFUNC) (void);
  58
  59
  60 /*
  61  * video mode structure
  62  */
  63 typedef struct vl_mode {
  64    int xres, yres;
  65    int bpp;
  66
  67    int mode;
  68    int scanlen;
  69
  70    int sel;
  71    int gran;
  72 } vl_mode;
  73
  74
  75 /*
  76  * video driver structure
  77  */
  78 typedef struct {
  79    vl_mode *(*init) (void);
  80    int (*entermode) (vl_mode *p, int refresh, int fbbits);
  81    void (*blit) (void);
  82    void (*setCI_f) (int index, float red, float green, float blue);
  83    void (*setCI_i) (int index, int red, int green, int blue);
  84    int (*get) (int pname, int *params);
  85    void (*restore) (void);
  86    void (*fini) (void);
  87 } vl_driver;
  88
  89
  90 /*
  91  * memory mapping
  92  */
  93 int _create_linear_mapping (unsigned long *linear, unsigned long physaddr, int size);
  94 void _remove_linear_mapping (unsigned long *linear);
  95 int _create_selector (int *segment, unsigned long base, int size);
  96 void _remove_selector (int *segment);
  97
  98
  99 /*
 100  * system routines
 101  */
 102 int _can_mmx (void);
 103
 104
 105 #endif