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     SIPTR                       leftedge;               /* Offset */
  22     SIPTR                       topedge;
  23     IPTR                        sbmflags;
  24     struct Hook                 *prealphacomphook;
  25 };
  26
  27 // sbmflags bits 0 to 3 are reserved for the normal compositing flags.
  28 #define STACKNODEB_VISIBLE       16
  29 #define STACKNODEF_VISIBLE       (1 << STACKNODEB_VISIBLE)
  30 #define STACKNODEB_DISPLAYABLE   17
  31 #define STACKNODEF_DISPLAYABLE   (1 << STACKNODEB_DISPLAYABLE)
  32
  33 struct HIDDCompositorData
  34 {
  35     struct GfxBase              *GraphicsBase;
  36     struct IntuitionBase        *IntuitionBase;
  37
  38     ULONG                       capabilities;
  39     ULONG                       flags;
  40
  41     /* Bitmap to which all screen bitmaps are composited. Height/Width always
  42        matches visible mode */
  43     OOP_Object                  *displaybitmap;
  44     OOP_Object                  *intermedbitmap;
  45
  46     /* Pointer to actuall screen bitmap, result of last HIDD_Gfx_Show().
  47        Needed for graphics.library only. */
  48     OOP_Object                  *screenbitmap;
  49
  50     /* Pointer to top bitmap on stack */
  51     OOP_Object                  *topbitmap;
  52
  53     struct Rectangle            displayrect;     /* Dimensions of currently visible mode         */
  54     struct Region               *alpharegion;
  55
  56     struct MinList              bitmapstack;
  57     struct SignalSemaphore      semaphore;
  58
  59     struct Hook                 *backfillhook;
  60
  61     OOP_Object                  *gfx;           /* GFX driver object                            */
  62     OOP_Object                  *fb;            /* Framebuffer bitmap (if present)              */
  63     OOP_Object                  *gc;            /* GC object used for drawing operations        */
  64
  65     ULONG                       displayid;
  66     HIDDT_ModeID                displaymode;    /* ModeID of currently visible mode             */
  67     UBYTE                       displaydepth;
  68
  69     struct Hook                 defaultbackfill;
  70     BOOL                        modeschanged;   /* TRUE if new top bitmap has different mode than current displaymode */
  71 };
  72
  73 #define COMPSTATEB_HASALPHA     0
  74 #define COMPSTATEF_HASALPHA     (1 << COMPSTATEB_HASALPHA)
  75
  76 #define METHOD(base, id, name) \
  77   base ## __ ## id ## __ ## name (OOP_Class *cl, OOP_Object *o, struct p ## id ## _ ## name *msg)
  78
  79 #define LOCK_COMPOSITOR_READ       { ObtainSemaphoreShared(&compdata->semaphore); }
  80 #define LOCK_COMPOSITOR_WRITE      { ObtainSemaphore(&compdata->semaphore); }
  81 #define UNLOCK_COMPOSITOR          { ReleaseSemaphore(&compdata->semaphore); }
  82
  83 extern OOP_AttrBase HiddCompositorAttrBase;
  84 extern const struct OOP_InterfaceDescr Compositor_ifdescr[];
  85
  86 #endif /* _COMPOSITOR_INTERN_H */