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 v1.6 for Mesa
  27  *
  28  *  Copyright (C) 2002 - Borca Daniel
  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
  58 /*
  59  * video mode structure
  60  */
  61 typedef struct vl_mode {
  62    int xres, yres;
  63    int bpp;
  64
  65    int mode;
  66    int scanlen;
  67
  68    int sel;
  69    int gran;
  70 } vl_mode;
  71
  72
  73 /*
  74  * video driver structure
  75  */
  76 typedef struct {
  77    vl_mode *(*init) (void);
  78    int (*entermode) (vl_mode *p, int refresh);
  79    void (*blit) (void);
  80    void (*setCI_f) (int index, float red, float green, float blue);
  81    void (*setCI_i) (int index, int red, int green, int blue);
  82    int (*get) (int pname, int *params);
  83    void (*restore) (void);
  84    void (*fini) (void);
  85 } vl_driver;
  86
  87
  88 /*
  89  * memory mapping
  90  */
  91 int _create_linear_mapping (unsigned long *linear, unsigned long physaddr, int size);
  92 void _remove_linear_mapping (unsigned long *linear);
  93 int _create_selector (int *segment, unsigned long base, int size);
  94 void _remove_selector (int *segment);
  95
  96
  97 /*
  98  * system routines
  99  */
 100 int _can_mmx (void);
 101
 102
 103 /*
 104  * asm routines to deal with virtual buffering
 105  */
 106 extern void v_clear8 (int color);
 107 #define v_clear15 v_clear16
 108 extern void v_clear16 (int color);
 109 extern void v_clear24 (int color);
 110 extern void v_clear32 (int color);
 111
 112 extern void v_clear8_mmx (int color);
 113 #define v_clear15_mmx v_clear16_mmx
 114 extern void v_clear16_mmx (int color);
 115 extern void v_clear24_mmx (int color);
 116 extern void v_clear32_mmx (int color);
 117
 118 extern void v_rect8 (int x, int y, int width, int height, int color);
 119 #define v_rect15 v_rect16
 120 extern void v_rect16 (int x, int y, int width, int height, int color);
 121 extern void v_rect24 (int x, int y, int width, int height, int color);
 122 extern void v_rect32 (int x, int y, int width, int height, int color);
 123
 124 extern void v_putpixel8 (unsigned int offset, int color);
 125 #define v_putpixel15 v_putpixel16
 126 extern void v_putpixel16 (unsigned int offset, int color);
 127 extern void v_putpixel24 (unsigned int offset, int color);
 128 extern void v_putpixel32 (unsigned int offset, int color);
 129
 130
 131 #endif