compat-api.h revision 42542f5f 
1/*
2 * Copyright 2012 Red Hat, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 *
23 * Author: Dave Airlie <airlied@redhat.com>
24 */
25
26/* this file provides API compat between server post 1.13 and pre it,
27   it should be reused inside as many drivers as possible */
28#ifndef COMPAT_API_H
29#define COMPAT_API_H
30
31#include <xorg-server.h>
32#include <xorgVersion.h>
33
34#include <picturestr.h>
35#ifndef GLYPH_HAS_GLYPH_PICTURE_ACCESSOR
36#define GetGlyphPicture(g, s) GlyphPicture((g))[(s)->myNum]
37#define SetGlyphPicture(g, s, p) GlyphPicture((g))[(s)->myNum] = p
38#endif
39
40#ifndef XF86_HAS_SCRN_CONV
41#define xf86ScreenToScrn(s) xf86Screens[(s)->myNum]
42#define xf86ScrnToScreen(s) screenInfo.screens[(s)->scrnIndex]
43#endif
44
45#ifndef XF86_SCRN_INTERFACE
46
47#define SCRN_ARG_TYPE int
48#define SCRN_INFO_PTR(arg1) ScrnInfoPtr scrn = xf86Screens[(arg1)]
49
50#define SCREEN_ARG_TYPE int
51#define SCREEN_PTR(arg1) ScreenPtr screen = screenInfo.screens[(arg1)]
52
53#define SCREEN_INIT_ARGS_DECL int scrnIndex, ScreenPtr screen, int argc, char **argv
54
55#define BLOCKHANDLER_ARGS_DECL int arg, pointer blockData, pointer timeout, pointer read_mask
56#define BLOCKHANDLER_ARGS arg, blockData, timeout, read_mask
57
58#define WAKEUPHANDLER_ARGS_DECL int arg, pointer wakeupData, unsigned long result, pointer read_mask
59#define WAKEUPHANDLER_ARGS arg, wakeupData, result, read_mask
60
61#define CLOSE_SCREEN_ARGS_DECL int scrnIndex, ScreenPtr screen
62#define CLOSE_SCREEN_ARGS scrnIndex, screen
63
64#define ADJUST_FRAME_ARGS_DECL int arg, int x, int y, int flags
65#define ADJUST_FRAME_ARGS(arg, x, y) (arg)->scrnIndex, x, y, 0
66
67#define SWITCH_MODE_ARGS_DECL int arg, DisplayModePtr mode, int flags
68#define SWITCH_MODE_ARGS(arg, m) (arg)->scrnIndex, m, 0
69
70#define FREE_SCREEN_ARGS_DECL int arg, int flags
71
72#define VT_FUNC_ARGS_DECL int arg, int flags
73#define VT_FUNC_ARGS(flags) scrn->scrnIndex, (flags)
74
75#define XF86_ENABLEDISABLEFB_ARG(x) ((x)->scrnIndex)
76
77#else
78#define SCRN_ARG_TYPE ScrnInfoPtr
79#define SCRN_INFO_PTR(arg1) ScrnInfoPtr scrn = (arg1)
80
81#define SCREEN_ARG_TYPE ScreenPtr
82#define SCREEN_PTR(arg1) ScreenPtr screen = (arg1)
83
84#define SCREEN_INIT_ARGS_DECL ScreenPtr screen, int argc, char **argv
85
86#define BLOCKHANDLER_ARGS_DECL ScreenPtr arg, pointer timeout, pointer read_mask
87#define BLOCKHANDLER_ARGS arg, timeout, read_mask
88
89#define WAKEUPHANDLER_ARGS_DECL ScreenPtr arg, unsigned long result, pointer read_mask
90#define WAKEUPHANDLER_ARGS arg, result, read_mask
91
92#define CLOSE_SCREEN_ARGS_DECL ScreenPtr screen
93#define CLOSE_SCREEN_ARGS screen
94
95#define ADJUST_FRAME_ARGS_DECL ScrnInfoPtr arg, int x, int y
96#define ADJUST_FRAME_ARGS(arg, x, y) arg, x, y
97
98#define SWITCH_MODE_ARGS_DECL ScrnInfoPtr arg, DisplayModePtr mode
99#define SWITCH_MODE_ARGS(arg, m) arg, m
100
101#define FREE_SCREEN_ARGS_DECL ScrnInfoPtr arg
102
103#define VT_FUNC_ARGS_DECL ScrnInfoPtr arg
104#define VT_FUNC_ARGS(flags) scrn
105
106#define XF86_ENABLEDISABLEFB_ARG(x) (x)
107
108#endif
109
110static inline int
111region_num_rects(const RegionRec *r)
112{
113	return r->data ? r->data->numRects : 1;
114}
115
116static inline int
117region_nil(const RegionRec *r)
118{
119	return region_num_rects(r) == 0;
120}
121
122static inline BoxPtr
123region_boxptr(const RegionRec *r)
124{
125	return (BoxPtr)(r->data + 1);
126}
127
128static inline const BoxRec *
129region_rects(const RegionRec *r)
130{
131	return r->data ? (const BoxRec *)(r->data + 1) :  &r->extents;
132}
133
134#ifndef INCLUDE_LEGACY_REGION_DEFINES
135#define RegionCreate(r, s) REGION_CREATE(NULL, r, s)
136#define RegionBreak(r) REGION_BREAK(NULL, r)
137#define RegionSizeof REGION_SZOF
138#define RegionBoxptr REGION_BOXPTR
139#define RegionEnd REGION_END
140#define RegionExtents(r) REGION_EXTENTS(NULL, r)
141#define RegionRects REGION_RECTS
142#define RegionNumRects REGION_NUM_RECTS
143#define RegionContainsRect(r, b) RECT_IN_REGION(NULL, r, b)
144#define RegionContainsPoint(r, x, y, b) POINT_IN_REGION(NULL, r, x, y, b)
145#define RegionCopy(res, r) REGION_COPY(NULL, res, r)
146#define RegionIntersect(res, r1, r2) REGION_INTERSECT(NULL, res, r1, r2)
147#define RegionUnion(res, r1, r2) REGION_UNION(NULL, res, r1, r2)
148#define RegionSubtract(res, r1, r2) REGION_SUBTRACT(NULL, res, r1, r2)
149#define RegionTranslate(r, x, y) REGION_TRANSLATE(NULL, r, x, y)
150#define RegionUninit(r) REGION_UNINIT(NULL, r)
151#define region_from_bitmap BITMAP_TO_REGION
152#define RegionNil REGION_NIL
153#define RegionNull(r) REGION_NULL(NULL, r)
154#define RegionNotEmpty(r) REGION_NOTEMPTY(NULL, r)
155#define RegionEmpty(r) REGION_EMPTY(NULL, r)
156#define RegionEqual(a, b) REGION_EQUAL(NULL, a, b)
157#define RegionDestroy(r) REGION_DESTROY(NULL, r)
158#else
159#define region_from_bitmap BitmapToRegion
160#endif
161
162#ifndef _X_UNUSED
163#define _X_UNUSED
164#endif
165
166#if HAS_DEVPRIVATEKEYREC
167#define __get_private(p, key) dixGetPrivateAddr(&(p)->devPrivates, &(key))
168#else
169#define __get_private(p, key) dixLookupPrivate(&(p)->devPrivates, &(key))
170typedef int DevPrivateKeyRec;
171static inline void FreePixmap(PixmapPtr pixmap)
172{
173	dixFreePrivates(pixmap->devPrivates);
174	free(pixmap);
175}
176#endif
177
178#if !HAS_DIXREGISTERPRIVATEKEY
179#define dixPrivateKeyRegistered(key__) (*(key__) != 0)
180#endif
181
182#if XORG_VERSION_CURRENT >= XORG_VERSION_NUMERIC(1,9,99,902,0)
183#define SourceValidate(d, x, y, w, h, mode) \
184	if ((d)->pScreen->SourceValidate) (d)->pScreen->SourceValidate(d, x, y, w, h, mode)
185#else
186#define SourceValidate(d, x, y, w, h, mode) \
187	if ((d)->pScreen->SourceValidate) (d)->pScreen->SourceValidate(d, x, y, w, h)
188#endif
189
190#if XORG_VERSION_CURRENT >= XORG_VERSION_NUMERIC(1,14,99,2,0)
191#define DamageUnregister(d, dd) DamageUnregister(dd)
192#endif
193
194#if XORG_VERSION_CURRENT >= XORG_VERSION_NUMERIC(1,16,99,1,0)
195
196#define XORG_XV_VERSION 2
197#define ddStopVideo_ARGS XvPortPtr port, DrawablePtr draw
198#define ddSetPortAttribute_ARGS XvPortPtr port, Atom attribute, INT32 value
199#define ddGetPortAttribute_ARGS XvPortPtr port, Atom attribute, INT32 *value
200#define ddQueryBestSize_ARGS XvPortPtr port, CARD8 motion, CARD16 vid_w, CARD16 vid_h, CARD16 drw_w, CARD16 drw_h, unsigned int *p_w, unsigned int *p_h
201#define ddPutImage_ARGS DrawablePtr draw, XvPortPtr port, GCPtr gc, INT16 src_x, INT16 src_y, CARD16 src_w, CARD16 src_h, INT16 drw_x, INT16 drw_y, CARD16 drw_w, CARD16 drw_h, XvImagePtr format, unsigned char *buf, Bool sync, CARD16 width, CARD16 height
202#define ddQueryImageAttributes_ARGS XvPortPtr port, XvImagePtr format, unsigned short *w, unsigned short *h, int *pitches, int *offsets
203
204#else
205
206#define XORG_XV_VERSION 1
207#define ddStopVideo_ARGS ClientPtr client, XvPortPtr port, DrawablePtr draw
208#define ddSetPortAttribute_ARGS ClientPtr client, XvPortPtr port, Atom attribute, INT32 value
209#define ddGetPortAttribute_ARGS ClientPtr client, XvPortPtr port, Atom attribute, INT32 *value
210#define ddQueryBestSize_ARGS ClientPtr client, XvPortPtr port, CARD8 motion, CARD16 vid_w, CARD16 vid_h, CARD16 drw_w, CARD16 drw_h, unsigned int *p_w, unsigned int *p_h
211#define ddPutImage_ARGS ClientPtr client, DrawablePtr draw, XvPortPtr port, GCPtr gc, INT16 src_x, INT16 src_y, CARD16 src_w, CARD16 src_h, INT16 drw_x, INT16 drw_y, CARD16 drw_w, CARD16 drw_h, XvImagePtr format, unsigned char *buf, Bool sync, CARD16 width, CARD16 height
212#define ddQueryImageAttributes_ARGS ClientPtr client, XvPortPtr port, XvImagePtr format, unsigned short *w, unsigned short *h, int *pitches, int *offsets
213
214#endif
215
216#endif
217