arch/i386-pc/drivers/vesa.hidd/vesagfxclass.h

   1 #ifndef HIDD_VESAGFXCLASS_H
   2 #define HIDD_VESAGFXCLASS_H
   3
   4 /*
   5     Copyright © 1995-2007, The AROS Development Team. All rights reserved.
   6     $Id$
   7
   8     Desc: Some VesaGfx useful data.
   9     Lang: English.
  10 */
  11
  12 #define BUFFERED_VRAM       1
  13
  14 #include <exec/semaphores.h>
  15 #include <exec/memory.h>
  16 #include <exec/nodes.h>
  17 #include <exec/types.h>
  18
  19 #include "bitmap.h"
  20 #include "hardware.h"
  21 #include "mouse.h"
  22
  23 #define IID_Hidd_VesaGfx  "hidd.gfx.vesa"
  24 #define CLID_Hidd_VesaGfx "hidd.gfx.vesa"
  25
  26 struct VesaGfx_staticdata
  27 {
  28     struct MemHeader        mh;
  29     OOP_Class               *vesagfxclass;
  30     OOP_Class               *onbmclass;
  31     OOP_Class               *offbmclass;
  32     OOP_Object              *vesagfxhidd;
  33     struct BitmapData       *visible;
  34     VOID                    (*activecallback)(APTR, OOP_Object *, BOOL);
  35     APTR                    callbackdata;
  36     struct MouseData        mouse;
  37     struct HWData           data;
  38 #if BUFFERED_VRAM
  39     struct SignalSemaphore  framebufferlock;
  40 #endif
  41     struct SignalSemaphore  HW_acc;
  42 };
  43
  44 struct VesaGfxBase
  45 {
  46     struct Library library;
  47
  48     struct VesaGfx_staticdata vsd;
  49 };
  50
  51 #if BUFFERED_VRAM
  52 #define LOCK_FRAMEBUFFER(xsd)   ObtainSemaphore(&xsd->framebufferlock)
  53 #define UNLOCK_FRAMEBUFFER(xsd) ReleaseSemaphore(&xsd->framebufferlock)
  54 #endif
  55
  56 #define XSD(cl)                 (&((struct VesaGfxBase *)cl->UserData)->vsd)
  57
  58 #endif /* HIDD_VESAGFXCLASS_H */