workbench/libs/cgfx/cybergraphics_init.c

   1 #include <aros/debug.h>
   2 #include <aros/symbolsets.h>
   3 #include <hidd/graphics.h>
   4 #include <proto/oop.h>
   5
   6 #include "cybergraphics_intern.h"
   7
   8 static void ReleaseAttrBases(struct IntCGFXBase *CyberGfxBase)
   9 {
  10     if (__IHidd_BitMap)
  11         OOP_ReleaseAttrBase(IID_Hidd_BitMap);
  12     if (__IHidd_GC)
  13         OOP_ReleaseAttrBase(IID_Hidd_GC);
  14     if (__IHidd_Sync)
  15         OOP_ReleaseAttrBase(IID_Hidd_Sync);
  16     if (__IHidd_PixFmt)
  17         OOP_ReleaseAttrBase(IID_Hidd_PixFmt);
  18     if (__IHidd_Gfx)
  19         OOP_ReleaseAttrBase(IID_Hidd_Gfx);
  20 }
  21
  22 static int cgfx_init(struct IntCGFXBase *CyberGfxBase)
  23 {
  24     EnterFunc(bug("[CGX] cgfx_init()\n"));
  25
  26     /* Initialize the semaphore used for the chunky buffer */
  27     InitSemaphore(&CyberGfxBase->pixbuf_sema);
  28
  29     /* Init the needed attrbases */
  30
  31     __IHidd_BitMap      = OOP_ObtainAttrBase(IID_Hidd_BitMap);
  32     __IHidd_GC          = OOP_ObtainAttrBase(IID_Hidd_GC);
  33     __IHidd_Sync        = OOP_ObtainAttrBase(IID_Hidd_Sync);
  34     __IHidd_PixFmt      = OOP_ObtainAttrBase(IID_Hidd_PixFmt);
  35     __IHidd_Gfx         = OOP_ObtainAttrBase(IID_Hidd_Gfx);
  36
  37     CyberGfxBase->basegc = OOP_FindClass(CLID_Hidd_GC);
  38     CyberGfxBase->basebm = OOP_FindClass(CLID_Hidd_BitMap);
  39
  40     if (__IHidd_BitMap   &&
  41         __IHidd_GC       &&
  42         __IHidd_Sync     &&
  43         __IHidd_PixFmt   &&
  44         __IHidd_Gfx)
  45     {
  46         CyberGfxBase->pixel_buf=AllocMem(PIXELBUF_SIZE,MEMF_ANY);
  47         if (CyberGfxBase->pixel_buf)
  48         {
  49             WORD i;
  50
  51             for (i = 0; i < 256; i++)
  52             {
  53                 CyberGfxBase->greytab[i] = i * 0x010101;
  54             }
  55
  56             ReturnInt("[CGX] cgfx_init", int, TRUE);
  57         }
  58
  59     }
  60
  61     ReleaseAttrBases(CyberGfxBase);
  62     ReturnInt("[CGX] cgfx_init", int, FALSE);
  63 }
  64
  65 static int cgfx_expunge (struct IntCGFXBase *CyberGfxBase)
  66 {
  67     FreeMem(CyberGfxBase->pixel_buf, PIXELBUF_SIZE);
  68     ReleaseAttrBases(CyberGfxBase);
  69
  70     return TRUE;
  71 }
  72
  73 ADD2INITLIB(cgfx_init, 0);
  74 ADD2EXPUNGELIB(cgfx_expunge, 0);