rom/hyperlayers/layersstrap_init.c

   1 /*
   2     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: layers.library Resident and initialization.
   6     Lang: english
   7 */
   8
   9 #include <exec/types.h>
  10 #include <exec/resident.h>
  11 #include <graphics/gfxbase.h>
  12 #include <proto/exec.h>
  13 #include "libdefs.h"
  14 #include "layers_extfuncs.h"
  15
  16 #include <graphics/clip.h>
  17 #include <graphics/regions.h>
  18 #include <graphics/layers.h>
  19 #include <aros/asmcall.h>
  20
  21 #define DEBUG 0
  22 #include <aros/debug.h>
  23 #undef kprintf
  24
  25 extern const UBYTE Layers_name[];
  26 extern const UBYTE Layers_version[];
  27 extern UBYTE Layers_dearray[];
  28 int Layers_start(void);
  29 void patchlist(void);
  30 extern const char END;
  31
  32 int Layers_entry(void)
  33 {
  34     /* If the library was executed by accident return error code. */
  35     return -1;
  36 }
  37
  38 struct SpecialResident
  39 {
  40     struct Resident res;
  41     ULONG magiccookie;
  42     UBYTE *statusarray;
  43     UWORD maxslot;
  44 };
  45
  46 #define SR_COOKIE 0x4afa4afb
  47
  48 const struct SpecialResident Layers_resident =
  49 {
  50     {
  51     RTC_MATCHWORD,
  52     (struct Resident *)&Layers_resident,
  53     (APTR)&END,
  54     RTF_COLDSTART,
  55     LIBVERSION,
  56     NT_LIBRARY,
  57     63,         /* priority; just after layers.library */
  58     (STRPTR)Layers_name,
  59     (STRPTR)&Layers_version[6],
  60     &Layers_start
  61     },
  62     SR_COOKIE,          /* magic cookie to recognize a patchable library */
  63     Layers_dearray,     /* pointer to array of function status bytes */
  64     36                  /* highest vector slot in this library */
  65 };
  66
  67 UBYTE Layers_dearray[] =
  68 {
  69     /* 36 functions in layers.library V40 (plus one for offset 0) */
  70     1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /*   0-  9 */
  71     1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /*  10- 19 */
  72     1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /*  20- 29 */
  73     1, 1, 1, 1, 1, 1, 1           /*  30- 39 */
  74 };
  75
  76 const UBYTE Layers_name[]="layers.strap";
  77
  78 const UBYTE Layers_version[]="$VER: layers.strap 41.2 (02.11.1997)";
  79
  80 #define SetFunc(offset,name) \
  81 { \
  82     if(Layers_dearray[offset]) \
  83         SetFunction((struct Library *)LayersBase, (offset * -6), (APTR)&AROS_SLIB_ENTRY(name,Layers,offset)); \
  84 }
  85
  86 /* use this to disable a setfunc that doesn't work yet */
  87 #define SetFunc0(offset,name) /* eps */
  88
  89 /* use this to disable a setfunc that works (to keep the 2 types apart), so
  90  * the malfunctioning function can be isolated
  91  * If this doesn't make sense, don't worry. :-)
  92  */
  93 #define SetFunc1(offset,name) /* eps */
  94
  95 int Layers_start(void)
  96 {
  97     struct Library *LayersBase;
  98     struct Library *SysBase = *(void **)4;
  99
 100     D(bug("\nlayers.strap installing...\n"));
 101     D(patchlist());
 102
 103     if( (LayersBase = OpenLibrary("layers.library", 37)))
 104     {
 105         /*
 106          * fc = functions correctly (according to observations or test program)
 107          * ni = not implemented
 108          */
 109         SetFunc1( 5, InitLayers);               // fc
 110         SetFunc1( 6, CreateUpfrontLayer);       // fc
 111         SetFunc1( 7, CreateBehindLayer);        // fc
 112         SetFunc0( 8, UpfrontLayer);             // ni
 113         SetFunc0( 9, BehindLayer);              // ni
 114         SetFunc1(10, MoveLayer);                // fc
 115         SetFunc1(11, SizeLayer);                // fc
 116         SetFunc0(12, ScrollLayer);              // ni
 117         SetFunc0(13, BeginUpdate);              // ni
 118         SetFunc0(14, EndUpdate);                // ni
 119         SetFunc0(15, DeleteLayer);              // ni
 120         SetFunc1(16, LockLayer);                // fc
 121         SetFunc1(17, UnlockLayer);              // fc
 122         SetFunc0(18, LockLayers);               // ni
 123         SetFunc0(19, UnlockLayers);             // ni
 124         SetFunc1(20, LockLayerInfo);            // fc
 125         SetFunc1(21, SwapBitsRastPortClipRect); // fc
 126         SetFunc1(22, WhichLayer);               // fc
 127         SetFunc1(23, UnlockLayerInfo);          // fc
 128         SetFunc1(24, NewLayerInfo);             // fc
 129         SetFunc1(25, DisposeLayerInfo);         // fc
 130         SetFunc1(26, FattenLayerInfo);          // fc
 131         SetFunc1(27, ThinLayerInfo);            // fc
 132         SetFunc0(28, MoveLayerInFrontOf);       // ni
 133         SetFunc0(29, InstallClipRegion);        // ni
 134         SetFunc0(30, MoveSizeLayer);            // ni
 135         SetFunc1(31, CreateUpfrontHookLayer);   // fc
 136         SetFunc0(32, CreateBehindHookLayer);    // ni
 137         SetFunc1(33, InstallLayerHook);         // fc
 138         SetFunc1(34, InstallLayerInfoHook);     // fc
 139         SetFunc1(35, SortLayerCR);              // fc
 140         SetFunc1(36, DoHookClipRects);          // fc
 141
 142         /*
 143          * General note about these functions: superbitmap handling is untested!
 144          */
 145
 146         CloseLibrary(LayersBase);
 147     }
 148
 149     return 0;
 150 }
 151
 152 D(void patchlist(void)
 153 {
 154     int i;
 155
 156     for(i = 1; i < Layers_resident.maxslot; i++)
 157         kprintf(Layers_dearray[i] ? "+" : "-");
 158
 159     kprintf("\n\n");
 160 });