workbench/devs/monitors/Compositor/compositor_intern.h

   1 #ifndef _COMPOSITOR_INTERN_H
   2 #define _COMPOSITOR_INTERN_H
   3
   4 /*
   5     Copyright © 2010-2013, The AROS Development Team. All rights reserved.
   6     $Id$
   7 */
   8
   9 #include "compositor.h"
  10
  11 #include <exec/nodes.h>
  12 #include <exec/lists.h>
  13 #include <exec/semaphores.h>
  14 #include <graphics/gfx.h>
  15
  16 struct StackBitMapNode
  17 {
  18     struct MinNode              n;
  19     OOP_Object                  *bm;
  20     struct Region               *screenregion;
  21     struct Rectangle            screenvisiblerect;      /* Visible part */
  22     SIPTR                       leftedge;               /* Offset */
  23     SIPTR                       topedge;
  24     ULONG                       sbmflags;
  25 };
  26
  27 #define STACKNODE_ALPHA         (1 << 0)
  28 #define STACKNODE_VISIBLE       (1 << 1)
  29
  30 struct HIDDCompositorData
  31 {
  32     struct GfxBase              *GraphicsBase;
  33     /* Bitmap to which all screen bitmaps are composited. Height/Width always
  34        matches visible mode */
  35     OOP_Object                  *compositedbitmap;
  36
  37     /* Pointer to actuall screen bitmap, result of last HIDD_Gfx_Show().
  38        Needed for graphics.library only. */
  39     OOP_Object                  *screenbitmap;
  40
  41     /* Pointer to top bitmap on stack */
  42     OOP_Object                  *topbitmap;
  43
  44     HIDDT_ModeID                screenmodeid;   /* ModeID of currently visible mode             */
  45     struct Rectangle            screenrect;     /* Dimensions of currently visible mode         */
  46
  47     struct MinList              bitmapstack;
  48     struct SignalSemaphore      semaphore;
  49
  50     struct Region               *alpharegion;
  51
  52     struct Hook                 defaultbackfill;
  53     struct Hook                 *backfillhook;
  54
  55     OOP_Object                  *gfx;           /* GFX driver object                            */
  56     OOP_Object                  *fb;            /* Framebuffer bitmap (if present)              */
  57     OOP_Object                  *gc;            /* GC object used for drawing operations        */
  58     ULONG                       capabilities;
  59     BOOL                        modeschanged;   /* TRUE if new top bitmap has different mode than current screenmodeid */
  60 };
  61
  62 #define METHOD(base, id, name) \
  63   base ## __ ## id ## __ ## name (OOP_Class *cl, OOP_Object *o, struct p ## id ## _ ## name *msg)
  64
  65 #define LOCK_COMPOSITOR_READ       { ObtainSemaphoreShared(&compdata->semaphore); }
  66 #define LOCK_COMPOSITOR_WRITE      { ObtainSemaphore(&compdata->semaphore); }
  67 #define UNLOCK_COMPOSITOR          { ReleaseSemaphore(&compdata->semaphore); }
  68
  69 extern OOP_AttrBase HiddCompositorAttrBase;
  70 extern const struct OOP_InterfaceDescr Compositor_ifdescr[];
  71
  72 #endif /* _COMPOSITOR_INTERN_H */