workbench/hidds/nouveau/nouveau_compositor.h

   1 #ifndef _COMPOSITOR_INTERN_H
   2 #define _COMPOSITOR_INTERN_H
   3 /*
   4     Copyright © 2010-2017, The AROS Development Team. All rights reserved.
   5     $Id$
   6 */
   7
   8 #include "compositor.h"
   9
  10 #include <exec/lists.h>
  11
  12 struct _Rectangle
  13 {
  14     WORD MinX;
  15     WORD MinY;
  16     WORD MaxX;
  17     WORD MaxY;
  18 };
  19
  20 struct StackBitMapNode
  21 {
  22     struct Node         n;
  23     OOP_Object *        bm;
  24     struct _Rectangle   screenvisiblerect;
  25     BOOL                isscreenvisible;
  26     LONG                displayedwidth;
  27     LONG                displayedheight;
  28 };
  29
  30 struct HIDDCompositorData
  31 {
  32     /* Bitmap to which all screen bitmaps are composited. Height/Width always
  33        matches visible mode */
  34     OOP_Object              *compositedbitmap;
  35
  36     /* Pointer to actuall screen bitmap - either compositedbitmap or topbitmap.
  37        Can only be set in HIDDCompositorToggleCompositing */
  38     OOP_Object              *screenbitmap;
  39
  40     /* Pointer to top bitmap on stack */
  41     OOP_Object              *topbitmap;
  42
  43     HIDDT_ModeID            screenmodeid;   /* ModeID of currently visible mode */
  44     struct _Rectangle       screenrect;     /* Dimensions of currently visible mode */
  45     BOOL                    modeschanged;   /* TRUE if new top bitmap has different mode than current screenmodeid */
  46
  47     struct List             bitmapstack;
  48
  49     struct SignalSemaphore  semaphore;
  50
  51     OOP_Object              *gfx;           /* GFX driver object */
  52     OOP_Object              *gc;            /* GC object used for drawing operations */
  53
  54     /* Attr bases */
  55     OOP_AttrBase    pixFmtAttrBase;
  56     OOP_AttrBase    syncAttrBase;
  57     OOP_AttrBase    bitMapAttrBase;
  58     OOP_AttrBase    gcAttrBase;
  59     OOP_AttrBase    compositorAttrBase;
  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 BASE(lib)                   ((LIBBASETYPEPTR)(lib))
  66
  67 #define SD(cl)                      (&BASE(cl->UserData)->sd)
  68
  69 #define LOCK_COMPOSITOR_READ       { ObtainSemaphoreShared(&compdata->semaphore); }
  70 #define LOCK_COMPOSITOR_WRITE      { ObtainSemaphore(&compdata->semaphore); }
  71 #define UNLOCK_COMPOSITOR          { ReleaseSemaphore(&compdata->semaphore); }
  72
  73 #endif /* _COMPOSITOR_INTERN_H */