1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
|
/*
Copyright (c) 1995 Jon Tombs
Copyright (c) 1995, 1996, 1999 XFree86 Inc
*/
#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#define NEED_REPLIES
#define NEED_EVENTS
#include <X11/X.h>
#include <X11/Xproto.h>
#include "misc.h"
#include "dixstruct.h"
#include "extnsionst.h"
#include "colormapst.h"
#include "cursorstr.h"
#include "scrnintstr.h"
#include "servermd.h"
#define _XF86DGA_SERVER_
#include <X11/extensions/xf86dga.h>
#include <X11/extensions/xf86dgastr.h>
#include "swaprep.h"
#include "dgaproc.h"
#include "xf86dgaext.h"
static DISPATCH_PROC(ProcXF86DGADirectVideo);
static DISPATCH_PROC(ProcXF86DGAGetVidPage);
static DISPATCH_PROC(ProcXF86DGAGetVideoLL);
static DISPATCH_PROC(ProcXF86DGAGetViewPortSize);
static DISPATCH_PROC(ProcXF86DGASetVidPage);
static DISPATCH_PROC(ProcXF86DGASetViewPort);
static DISPATCH_PROC(ProcXF86DGAInstallColormap);
static DISPATCH_PROC(ProcXF86DGAQueryDirectVideo);
static DISPATCH_PROC(ProcXF86DGAViewPortChanged);
static int
ProcXF86DGAGetVideoLL(ClientPtr client)
{
REQUEST(xXF86DGAGetVideoLLReq);
xXF86DGAGetVideoLLReply rep;
XDGAModeRec mode;
int num, offset, flags;
char *name;
if (stuff->screen > screenInfo.numScreens)
return BadValue;
REQUEST_SIZE_MATCH(xXF86DGAGetVideoLLReq);
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
if(!DGAAvailable(stuff->screen))
return (DGAErrorBase + XF86DGANoDirectVideoMode);
if(!(num = DGAGetOldDGAMode(stuff->screen)))
return (DGAErrorBase + XF86DGANoDirectVideoMode);
/* get the parameters for the mode that best matches */
DGAGetModeInfo(stuff->screen, &mode, num);
if(!DGAOpenFramebuffer(stuff->screen, &name,
(unsigned char**)(&rep.offset),
(int*)(&rep.bank_size), &offset, &flags))
return BadAlloc;
rep.offset += mode.offset;
rep.width = mode.bytesPerScanline / (mode.bitsPerPixel >> 3);
rep.ram_size = rep.bank_size >> 10;
WriteToClient(client, SIZEOF(xXF86DGAGetVideoLLReply), (char *)&rep);
return (client->noClientException);
}
static int
ProcXF86DGADirectVideo(ClientPtr client)
{
int num;
PixmapPtr pix;
XDGAModeRec mode;
REQUEST(xXF86DGADirectVideoReq);
if (stuff->screen > screenInfo.numScreens)
return BadValue;
REQUEST_SIZE_MATCH(xXF86DGADirectVideoReq);
if (!DGAAvailable(stuff->screen))
return DGAErrorBase + XF86DGANoDirectVideoMode;
if (stuff->enable & XF86DGADirectGraphics) {
if(!(num = DGAGetOldDGAMode(stuff->screen)))
return (DGAErrorBase + XF86DGANoDirectVideoMode);
} else
num = 0;
if(Success != DGASetMode(stuff->screen, num, &mode, &pix))
return (DGAErrorBase + XF86DGAScreenNotActive);
DGASetInputMode (stuff->screen,
(stuff->enable & XF86DGADirectKeyb) != 0,
(stuff->enable & XF86DGADirectMouse) != 0);
return (client->noClientException);
}
static int
ProcXF86DGAGetViewPortSize(ClientPtr client)
{
int num;
XDGAModeRec mode;
REQUEST(xXF86DGAGetViewPortSizeReq);
xXF86DGAGetViewPortSizeReply rep;
if (stuff->screen > screenInfo.numScreens)
return BadValue;
REQUEST_SIZE_MATCH(xXF86DGAGetViewPortSizeReq);
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
if (!DGAAvailable(stuff->screen))
return (DGAErrorBase + XF86DGANoDirectVideoMode);
if(!(num = DGAGetOldDGAMode(stuff->screen)))
return (DGAErrorBase + XF86DGANoDirectVideoMode);
DGAGetModeInfo(stuff->screen, &mode, num);
rep.width = mode.viewportWidth;
rep.height = mode.viewportHeight;
WriteToClient(client, SIZEOF(xXF86DGAGetViewPortSizeReply), (char *)&rep);
return (client->noClientException);
}
static int
ProcXF86DGASetViewPort(ClientPtr client)
{
REQUEST(xXF86DGASetViewPortReq);
if (stuff->screen > screenInfo.numScreens)
return BadValue;
REQUEST_SIZE_MATCH(xXF86DGASetViewPortReq);
if (!DGAAvailable(stuff->screen))
return (DGAErrorBase + XF86DGANoDirectVideoMode);
if (!DGAActive(stuff->screen))
{
int num;
PixmapPtr pix;
XDGAModeRec mode;
if(!(num = DGAGetOldDGAMode(stuff->screen)))
return (DGAErrorBase + XF86DGANoDirectVideoMode);
if(Success != DGASetMode(stuff->screen, num, &mode, &pix))
return (DGAErrorBase + XF86DGAScreenNotActive);
}
if (DGASetViewport(stuff->screen, stuff->x, stuff->y, DGA_FLIP_RETRACE)
!= Success)
return DGAErrorBase + XF86DGADirectNotActivated;
return (client->noClientException);
}
static int
ProcXF86DGAGetVidPage(ClientPtr client)
{
REQUEST(xXF86DGAGetVidPageReq);
xXF86DGAGetVidPageReply rep;
if (stuff->screen > screenInfo.numScreens)
return BadValue;
REQUEST_SIZE_MATCH(xXF86DGAGetVidPageReq);
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
rep.vpage = 0; /* silently fail */
WriteToClient(client, SIZEOF(xXF86DGAGetVidPageReply), (char *)&rep);
return (client->noClientException);
}
static int
ProcXF86DGASetVidPage(ClientPtr client)
{
REQUEST(xXF86DGASetVidPageReq);
if (stuff->screen > screenInfo.numScreens)
return BadValue;
REQUEST_SIZE_MATCH(xXF86DGASetVidPageReq);
/* silently fail */
return (client->noClientException);
}
static int
ProcXF86DGAInstallColormap(ClientPtr client)
{
ColormapPtr pcmp;
REQUEST(xXF86DGAInstallColormapReq);
REQUEST_SIZE_MATCH(xXF86DGAInstallColormapReq);
if (!DGAActive(stuff->screen))
return (DGAErrorBase + XF86DGADirectNotActivated);
pcmp = (ColormapPtr )LookupIDByType(stuff->id, RT_COLORMAP);
if (pcmp) {
DGAInstallCmap(pcmp);
return (client->noClientException);
} else {
client->errorValue = stuff->id;
return (BadColor);
}
}
static int
ProcXF86DGAQueryDirectVideo(ClientPtr client)
{
REQUEST(xXF86DGAQueryDirectVideoReq);
xXF86DGAQueryDirectVideoReply rep;
if (stuff->screen > screenInfo.numScreens)
return BadValue;
REQUEST_SIZE_MATCH(xXF86DGAQueryDirectVideoReq);
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
rep.flags = 0;
if (DGAAvailable(stuff->screen))
rep.flags = XF86DGADirectPresent;
WriteToClient(client, SIZEOF(xXF86DGAQueryDirectVideoReply), (char *)&rep);
return (client->noClientException);
}
static int
ProcXF86DGAViewPortChanged(ClientPtr client)
{
REQUEST(xXF86DGAViewPortChangedReq);
xXF86DGAViewPortChangedReply rep;
if (stuff->screen > screenInfo.numScreens)
return BadValue;
REQUEST_SIZE_MATCH(xXF86DGAViewPortChangedReq);
if (!DGAActive(stuff->screen))
return (DGAErrorBase + XF86DGADirectNotActivated);
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
rep.result = 1;
WriteToClient(client, SIZEOF(xXF86DGAViewPortChangedReply), (char *)&rep);
return (client->noClientException);
}
int
ProcXF86DGADispatch(register ClientPtr client)
{
REQUEST(xReq);
switch (stuff->data)
{
case X_XF86DGAGetVideoLL:
return ProcXF86DGAGetVideoLL(client);
case X_XF86DGADirectVideo:
return ProcXF86DGADirectVideo(client);
case X_XF86DGAGetViewPortSize:
return ProcXF86DGAGetViewPortSize(client);
case X_XF86DGASetViewPort:
return ProcXF86DGASetViewPort(client);
case X_XF86DGAGetVidPage:
return ProcXF86DGAGetVidPage(client);
case X_XF86DGASetVidPage:
return ProcXF86DGASetVidPage(client);
case X_XF86DGAInstallColormap:
return ProcXF86DGAInstallColormap(client);
case X_XF86DGAQueryDirectVideo:
return ProcXF86DGAQueryDirectVideo(client);
case X_XF86DGAViewPortChanged:
return ProcXF86DGAViewPortChanged(client);
default:
return BadRequest;
}
}
|
