1 #ifndef GRAPHICS_INTERN_H
2 #define GRAPHICS_INTERN_H
4 Copyright © 1995-2011, The AROS Development Team. All rights reserved.
7 Desc: Internal header file for graphics.library
11 #include <aros/libcall.h>
12 #include <exec/execbase.h>
13 #include <exec/lists.h>
14 #include <exec/nodes.h>
15 #include <exec/semaphores.h>
16 #include <graphics/gfxbase.h>
17 #include <graphics/text.h>
18 #include <graphics/rastport.h>
19 #include <graphics/regions.h>
21 #include <graphics/view.h>
22 #include <hidd/graphics.h>
23 #include <exec/memory.h>
24 #include <proto/exec.h>
25 #include <graphics/scale.h>
27 #include "fontsupport.h"
30 #define BITMAP_CLIPPING 1
31 #define REGIONS_USE_MEMPOOL 1
32 /* Setting BMDEPTH_COMPATIBILITY to 1 will cause bitmap->Depth
33 to be never bigger than 8. The same seems to be the case under
34 AmigaOS with CyberGraphX/Picasso96. GetBitMapAttr() OTOH will
35 actually return the real depth. */
36 #define BMDEPTH_COMPATIBILITY 1
37 #define SIZERECTBUF 128
39 struct RegionRectangleExt
41 struct RegionRectangle RR
;
45 struct RegionRectangleExtChunk
47 struct RegionRectangleExt Rects
[SIZERECTBUF
];
48 struct RegionRectangleExtChunk
*FirstChunk
;
51 #define RRE(x) ((struct RegionRectangleExt *)(x))
52 #define Counter(x) (RRE(x)->Counter)
53 #define Chunk(x) ((x) ? ((struct RegionRectangleExtChunk *)&RRE(x)[-Counter(x)]) : NULL)
54 #define Head(x) ((x) ? (&((struct RegionRectangleExtChunk *)&RRE(x)[-Counter(x)])->FirstChunk->Rects[0].RR) : NULL)
56 /* PaletteExtra internals */
58 typedef WORD PalExtra_RefCnt_Type
;
59 typedef WORD PalExtra_AllocList_Type
;
61 #define PALEXTRA_REFCNT(pe,n) (((PalExtra_RefCnt_Type *)(pe)->pe_RefCnt)[(n)])
62 #define PALEXTRA_ALLOCLIST(pe,n) (((PalExtra_AllocList_Type *)(pe)->pe_AllocList)[(n)])
65 * Display mode database item. A pointer to this structure is used as a DisplayInfoHandle.
66 * In future, if needed, this structure can be extended to hold static bunches of associated
70 struct monitor_driverdata
;
72 struct DisplayInfoHandle
74 HIDDT_ModeID id
; /* HIDD Mode ID (without card ID) */
75 struct monitor_driverdata
*drv
; /* Points back to display driver descriptor */
78 #define DIH(x) ((struct DisplayInfoHandle *)x)
80 /* Monitor driver data. Describes a single physical display. */
81 struct monitor_driverdata
83 struct monitor_driverdata
*next
; /* Next driver data in chain */
84 ULONG id
; /* Card ID (part of display mode ID) */
85 ULONG mask
; /* Mask of mode ID */
86 OOP_Object
*gfxhidd
; /* Graphics driver to use (can be fakegfx object) */
87 UWORD flags
; /* Flags, see below */
89 APTR userdata
; /* Associated data from notification callback */
90 struct HIDD_ViewPortData
*display
; /* What is currently displayed */
93 OOP_Object
*gfxhidd_orig
; /* Real graphics driver object */
95 /* Composer-related */
96 OOP_Object
*composer
; /* composition HIDD object */
98 /* Framebuffer stuff */
99 struct BitMap
*frontbm
; /* Currently shown bitmap */
100 OOP_Object
*framebuffer
; /* Framebuffer bitmap object */
101 OOP_Object
*bm_bak
; /* Original shown bitmap object */
102 OOP_Object
*colmap_bak
; /* Original colormap object of shown bitmap */
103 HIDDT_ColorModel colmod_bak
; /* Original colormodel of shown bitmap */
105 /* Display mode database. */
106 struct DisplayInfoHandle modes
[1]; /* Display modes array */
110 #define DF_BootMode 0x0001 /* Boot mode driver */
111 #define DF_UseFakeGfx 0x0002 /* Software mouse sprite is in use */
112 #define DF_SoftCompose 0x0004 /* Software screen composition requested */
113 #define DF_DirectFB 0x0008 /* Driver uses a direct-mode framebuffer */
115 /* Common driver data data to all monitors */
116 struct common_driverdata
118 /* The order of these fields match struct monitor_driverdata */
119 struct monitor_driverdata
*monitors
; /* First monitor driver */
120 ULONG invalid_id
; /* INVALID_ID, for GET_BM_MODEID() */
121 ULONG last_id
; /* Last card ID */
122 OOP_Object
*memorygfx
; /* Memory graphics driver */
123 UWORD flags
; /* Always zero */
125 /* End of driverdata */
126 APTR notify_data
; /* User data for notification callback */
127 APTR (*DriverNotify
)(APTR obj
, BOOL add
, APTR userdata
); /* Display driver notification callback */
128 struct SignalSemaphore displaydb_sem
; /* Display mode database semaphore */
130 ObjectCache
*gc_cache
; /* GC cache */
131 ObjectCache
*planarbm_cache
; /* Planar bitmaps cache */
134 OOP_Class
*fakegfxclass
; /* Fakegfx (SW sprite) classes */
135 OOP_Class
*fakefbclass
;
136 OOP_Class
*composerClass
; /* Composer class */
137 OOP_Class
*gcClass
; /* GC class */
139 /* Attribute bases */
140 OOP_AttrBase hiddBitMapAttrBase
;
141 OOP_AttrBase hiddGCAttrBase
;
142 OOP_AttrBase hiddSyncAttrBase
;
143 OOP_AttrBase hiddPixFmtAttrBase
;
144 OOP_AttrBase hiddPlanarBMAttrBase
;
145 OOP_AttrBase hiddGfxAttrBase
;
146 OOP_AttrBase hiddFakeGfxHiddAttrBase
;
147 OOP_AttrBase hiddFakeFBAttrBase
;
148 OOP_AttrBase hiddCompositingAttrBase
;
151 #define CDD(base) ((struct common_driverdata *)&PrivGBase(base)->shared_driverdata)
153 #define __IHidd_BitMap CDD(GfxBase)->hiddBitMapAttrBase
154 #define __IHidd_GC CDD(GfxBase)->hiddGCAttrBase
155 #define __IHidd_Sync CDD(GfxBase)->hiddSyncAttrBase
156 #define __IHidd_PixFmt CDD(GfxBase)->hiddPixFmtAttrBase
157 #define __IHidd_PlanarBM CDD(GfxBase)->hiddPlanarBMAttrBase
158 #define __IHidd_Gfx CDD(GfxBase)->hiddGfxAttrBase
159 #define __IHidd_FakeGfxHidd CDD(GfxBase)->hiddFakeGfxHiddAttrBase
160 #define __IHidd_FakeFB CDD(GfxBase)->hiddFakeFBAttrBase
161 #define HiddCompositingAttrBase CDD(GfxBase)->hiddCompositingAttrBase
163 /* Hashtable sizes. Must be powers of two */
164 #define GFXASSOCIATE_HASHSIZE 8
165 #define TFE_HASHTABSIZE 16
166 #define DRIVERDATALIST_HASHSIZE 256
168 /* Internal GFXBase struct */
169 struct GfxBase_intern
171 struct GfxBase gfxbase
;
173 ULONG displays
; /* Number of display drivers installed in the system */
174 struct common_driverdata shared_driverdata
; /* Driver data shared between all monitors (allocated once) */
175 struct SignalSemaphore monitors_sema
; /* Monitor list semaphore */
176 struct SignalSemaphore hashtab_sema
; /* hash_table arbitration semaphore */
177 struct SignalSemaphore view_sema
; /* ActiView arbitration semaphore */
179 /* TextFontExtension pool */
180 struct tfe_hashnode
* tfe_hashtab
[TFE_HASHTABSIZE
];
181 struct SignalSemaphore tfe_hashtab_sema
;
182 struct SignalSemaphore fontsem
;
184 #if REGIONS_USE_MEMPOOL
186 struct SignalSemaphore regionsem
;
188 struct MinList ChunkPoolList
;
192 struct SignalSemaphore blit_sema
;
194 /* Private library bases */
195 struct Library
*CyberGfxBase
;
196 struct Library
*OOPBase
;
197 struct Library
*UtilityBase
;
199 /* Private HIDD method bases */
200 OOP_MethodID HiddBitMapBase
;
201 OOP_MethodID HiddColorMapBase
;
202 OOP_MethodID HiddGCBase
;
203 OOP_MethodID HiddGfxBase
;
204 OOP_MethodID HiddPlanarBMBase
;
205 OOP_MethodID HiddCompositingMethodBase
;
211 #define PrivGBase(x) ((struct GfxBase_intern *)x)
212 /* FIXME: Remove these #define xxxBase hacks
213 Do not use this in new code !
215 #define HiddBitMapBase (PrivGBase(GfxBase)->HiddBitMapBase)
216 #define HiddColorMapBase (PrivGBase(GfxBase)->HiddColorMapBase)
217 #define HiddGCBase (PrivGBase(GfxBase)->HiddGCBase)
218 #define HiddGfxBase (PrivGBase(GfxBase)->HiddGfxBase)
219 #define HiddPlanarBMBase (PrivGBase(GfxBase)->HiddPlanarBMBase)
221 /* struct Utilitybase is used in the following file so include it
222 before defining Utilitybase
224 #include <proto/utility.h>
225 #define CyberGfxBase (PrivGBase(GfxBase)->CyberGfxBase)
226 #define OOPBase (PrivGBase(GfxBase)->OOPBase)
227 #define UtilityBase (PrivGBase(GfxBase)->UtilityBase)
228 #define SysBase (GfxBase->ExecBase)
230 #define WIDTH_TO_BYTES(width) ((( (width) + 15) & ~15) >> 3)
231 #define WIDTH_TO_WORDS(width) ((( (width) + 15) & ~15) >> 4)
233 #define XCOORD_TO_BYTEIDX( x ) (( x ) >> 3)
234 #define XCOORD_TO_WORDIDX( x ) (( x ) >> 4)
236 #define COORD_TO_BYTEIDX(x, y, bytes_per_row) \
237 ( ( (y) * (bytes_per_row)) + XCOORD_TO_BYTEIDX(x))
239 #define CHUNKY8_COORD_TO_BYTEIDX(x, y, bytes_per_row) \
240 ( ( (y) * (bytes_per_row)) + (x) )
242 #define XCOORD_TO_MASK(x) (128L >> ((x) & 0x07))
244 /* For vsprite sorting */
246 #define JOIN_XY_COORDS(x,y) (LONG)( ( ((UWORD)(y)) << 16) + ( ( ((UWORD)(x)) + 0x8000 ) & 0xFFFF ) )
248 #define TFE(tfe) (*(struct TextFontExtension**)&tfe)
250 #define TFE_MATCHWORD 0xDFE7 /* randomly invented */
252 /* Defines for flags in areainfo->FlagPtr */
254 #define AREAINFOFLAG_MOVE 0x00
255 #define AREAINFOFLAG_DRAW 0x01
256 #define AREAINFOFLAG_CLOSEDRAW 0x02
257 #define AREAINFOFLAG_ELLIPSE 0x03
259 /* Forward declaration */
262 /* Hash index calculation */
263 extern ULONG
CalcHashIndex(IPTR n
, UWORD size
);
265 struct gfx_driverdata
*AllocDriverData(struct RastPort
*rp
, BOOL alloc
, struct GfxBase
*GfxBase
);
267 /* a function needed by ClipBlit */
268 void internal_ClipBlit(struct RastPort
* srcRP
,
271 struct RastPort
* destRP
,
277 struct GfxBase
* GfxBase
);
279 /* Driver prototypes */
281 typedef ULONG (*VIEW_FUNC
)(struct HIDD_ViewPortData
*vpd
, struct View
*v
, struct monitor_driverdata
*mdd
, struct GfxBase
*GfxBase
);
283 extern ULONG
driver_PrepareViewPorts(struct HIDD_ViewPortData
*vpd
, struct View
*v
, struct monitor_driverdata
*mdd
, struct GfxBase
*GfxBase
);
284 extern ULONG
driver_LoadViewPorts(struct HIDD_ViewPortData
*vpd
, struct View
*v
, struct monitor_driverdata
*mdd
, struct GfxBase
*GfxBase
);
285 extern struct monitor_driverdata
*driver_Setup(OOP_Object
*gfxhidd
, struct GfxBase
*GfxBase
);
286 extern void driver_Expunge(struct monitor_driverdata
*mdd
, struct GfxBase
*GfxBase
);
287 extern struct HIDD_ViewPortData
*driver_FindViewPorts(struct View
*view
, struct monitor_driverdata
*mdd
, struct GfxBase
*GfxBase
);
288 extern ULONG
DoViewFunction(struct View
*view
, VIEW_FUNC fn
, struct GfxBase
*GfxBase
);
289 extern void InstallFB(struct monitor_driverdata
*mdd
, struct GfxBase
*GfxBase
);
290 extern void UninstallFB(struct monitor_driverdata
*mdd
);
292 /* functions in support.c */
293 extern BOOL
pattern_pen(struct RastPort
*rp
295 , ULONG apen
, ULONG bpen
297 , struct GfxBase
*GfxBase
);
299 /* function for area opeartions */
300 BOOL
areafillpolygon(struct RastPort
* rp
,
301 struct Rectangle
* bounds
,
305 struct GfxBase
* GfxBase
);
307 void areafillellipse(struct RastPort
* rp
,
308 struct Rectangle
* bounds
,
311 struct GfxBase
* GfxBase
);
313 void areaclosepolygon(struct AreaInfo
*areainfo
);
315 /* functions in color_support */
316 ULONG
color_distance(struct ColorMap
* cm
,
322 BOOL
color_equal(struct ColorMap
* cm
,
328 VOID
color_get(struct ColorMap
*cm
,
334 void _DisposeRegionRectangleList
336 struct RegionRectangle
*RR
,
337 struct GfxBase
*GfxBase
340 struct RegionRectangle
*_NewRegionRectangle
342 struct RegionRectangle
**LastRectPtr
,
343 struct GfxBase
*GfxBase
346 BOOL _LinkRegionRectangleList
348 struct RegionRectangle
*src
,
349 struct RegionRectangle
**dstptr
,
350 struct GfxBase
*GfxBase
354 # define GFX_ALLOC(Size) \
358 ObtainSemaphore(&PrivGBase(GfxBase)->regionsem); \
362 PrivGBase(GfxBase)->regionpool, \
366 ReleaseSemaphore(&PrivGBase(GfxBase)->regionsem); \
371 # define GFX_FREE(Mem, Size) \
375 ObtainSemaphore(&PrivGBase(GfxBase)->regionsem); \
379 PrivGBase(GfxBase)->regionpool, \
384 ReleaseSemaphore(&PrivGBase(GfxBase)->regionsem); \
387 # define GFX_ALLOC(Size) AllocMem(Size, MEMF_ANY)
388 # define GFX_FREE(Mem, Size) FreeMem(Mem, Size)
391 #define _NewRegionRectangleExtChunk() \
392 __NewRegionRectangleExtChunk(GfxBase)
394 #define _DisposeRegionRectangleExtChunk(_chunk) \
395 __DisposeRegionRectangleExtChunk(_chunk, GfxBase)
397 #define SIZECHUNKBUF 20
401 struct RegionRectangleExtChunk Chunk
;
402 struct ChunkPool
*Owner
;
408 struct ChunkExt Chunks
[SIZECHUNKBUF
];
409 struct MinList ChunkList
;
413 void __DisposeRegionRectangleExtChunk
415 struct RegionRectangleExtChunk
*Chunk
,
416 struct GfxBase
*GfxBase
425 #endif /* GRAPHICS_INTERN_H */