nv_xaa.c revision 092d2b73 
1/*
2 * Copyright (c) 2003 NVIDIA, Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sublicense, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included
13 * in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
19 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
20 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
21 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 */
23
24#ifdef HAVE_CONFIG_H
25#include "config.h"
26#endif
27
28#include "nv_include.h"
29#ifdef HAVE_XAA_H
30#include "xaalocal.h"
31#endif
32#include "miline.h"
33#include "nv_dma.h"
34
35static const int NVCopyROP[16] =
36{
37   0x00,            /* GXclear */
38   0x88,            /* GXand */
39   0x44,            /* GXandReverse */
40   0xCC,            /* GXcopy */
41   0x22,            /* GXandInverted */
42   0xAA,            /* GXnoop */
43   0x66,            /* GXxor */
44   0xEE,            /* GXor */
45   0x11,            /* GXnor */
46   0x99,            /* GXequiv */
47   0x55,            /* GXinvert*/
48   0xDD,            /* GXorReverse */
49   0x33,            /* GXcopyInverted */
50   0xBB,            /* GXorInverted */
51   0x77,            /* GXnand */
52   0xFF             /* GXset */
53};
54
55static const int NVCopyROP_PM[16] =
56{
57   0x0A,            /* GXclear */
58   0x8A,            /* GXand */
59   0x4A,            /* GXandReverse */
60   0xCA,            /* GXcopy */
61   0x2A,            /* GXandInverted */
62   0xAA,            /* GXnoop */
63   0x6A,            /* GXxor */
64   0xEA,            /* GXor */
65   0x1A,            /* GXnor */
66   0x9A,            /* GXequiv */
67   0x5A,            /* GXinvert*/
68   0xDA,            /* GXorReverse */
69   0x3A,            /* GXcopyInverted */
70   0xBA,            /* GXorInverted */
71   0x7A,            /* GXnand */
72   0xFA             /* GXset */
73};
74
75static const int NVPatternROP[16] =
76{
77   0x00,
78   0xA0,
79   0x50,
80   0xF0,
81   0x0A,
82   0xAA,
83   0x5A,
84   0xFA,
85   0x05,
86   0xA5,
87   0x55,
88   0xF5,
89   0x0F,
90   0xAF,
91   0x5F,
92   0xFF
93};
94
95void
96NVDmaKickoff(NVPtr pNv)
97{
98    if(pNv->dmaCurrent != pNv->dmaPut) {
99        pNv->dmaPut = pNv->dmaCurrent;
100        WRITE_PUT(pNv,  pNv->dmaPut);
101    }
102}
103
104
105/* There is a HW race condition with videoram command buffers.
106   You can't jump to the location of your put offset.  We write put
107   at the jump offset + SKIPS dwords with noop padding in between
108   to solve this problem */
109#define SKIPS  8
110
111void
112NVDmaWait (
113   NVPtr pNv,
114   int size
115){
116    int dmaGet;
117
118    size++;
119
120    while(pNv->dmaFree < size) {
121       dmaGet = READ_GET(pNv);
122
123       if(pNv->dmaPut >= dmaGet) {
124           pNv->dmaFree = pNv->dmaMax - pNv->dmaCurrent;
125           if(pNv->dmaFree < size) {
126               NVDmaNext(pNv, 0x20000000);
127               if(dmaGet <= SKIPS) {
128                   if(pNv->dmaPut <= SKIPS) /* corner case - will be idle */
129                      WRITE_PUT(pNv, SKIPS + 1);
130                   do { dmaGet = READ_GET(pNv); }
131                   while(dmaGet <= SKIPS);
132               }
133               WRITE_PUT(pNv, SKIPS);
134               pNv->dmaCurrent = pNv->dmaPut = SKIPS;
135               pNv->dmaFree = dmaGet - (SKIPS + 1);
136           }
137       } else
138           pNv->dmaFree = dmaGet - pNv->dmaCurrent - 1;
139    }
140}
141
142void
143NVWaitVSync(NVPtr pNv)
144{
145    NVDmaStart(pNv, 0x0000A12C, 1);
146    NVDmaNext (pNv, 0);
147    NVDmaStart(pNv, 0x0000A134, 1);
148    NVDmaNext (pNv, pNv->CRTCnumber);
149    NVDmaStart(pNv, 0x0000A100, 1);
150    NVDmaNext (pNv, 0);
151    NVDmaStart(pNv, 0x0000A130, 1);
152    NVDmaNext (pNv, 0);
153}
154
155/*
156  currentRop =  0-15  solid fill
157               16-31  8x8 pattern fill
158               32-47  solid fill with planemask
159*/
160
161static void
162NVSetPattern(
163   ScrnInfoPtr pScrn,
164   CARD32 clr0,
165   CARD32 clr1,
166   CARD32 pat0,
167   CARD32 pat1
168)
169{
170    NVPtr pNv = NVPTR(pScrn);
171
172    NVDmaStart(pNv, PATTERN_COLOR_0, 4);
173    NVDmaNext (pNv, clr0);
174    NVDmaNext (pNv, clr1);
175    NVDmaNext (pNv, pat0);
176    NVDmaNext (pNv, pat1);
177}
178
179void
180NVSetRopSolid(ScrnInfoPtr pScrn, CARD32 rop, CARD32 planemask)
181{
182    NVPtr pNv = NVPTR(pScrn);
183
184    if(planemask != ~0) {
185        NVSetPattern(pScrn, 0, planemask, ~0, ~0);
186        if(pNv->currentRop != (rop + 32)) {
187           NVDmaStart(pNv, ROP_SET, 1);
188           NVDmaNext (pNv, NVCopyROP_PM[rop]);
189           pNv->currentRop = rop + 32;
190        }
191    } else
192    if (pNv->currentRop != rop) {
193        if(pNv->currentRop >= 16)
194             NVSetPattern(pScrn, ~0, ~0, ~0, ~0);
195        NVDmaStart(pNv, ROP_SET, 1);
196        NVDmaNext (pNv, NVCopyROP[rop]);
197        pNv->currentRop = rop;
198    }
199}
200
201void NVResetGraphics(ScrnInfoPtr pScrn)
202{
203    NVPtr pNv = NVPTR(pScrn);
204    CARD32 surfaceFormat, patternFormat, rectFormat, lineFormat;
205    int pitch, i;
206
207    if(pNv->NoAccel) return;
208
209    pitch = pNv->CurrentLayout.displayWidth *
210            (pNv->CurrentLayout.bitsPerPixel >> 3);
211
212    pNv->dmaBase = (CARD32*)(&pNv->FbStart[pNv->FbUsableSize]);
213
214    for(i = 0; i < SKIPS; i++)
215      pNv->dmaBase[i] = 0x00000000;
216
217    pNv->dmaBase[0x0 + SKIPS] = 0x00040000;
218    pNv->dmaBase[0x1 + SKIPS] = 0x80000010;
219    pNv->dmaBase[0x2 + SKIPS] = 0x00042000;
220    pNv->dmaBase[0x3 + SKIPS] = 0x80000011;
221    pNv->dmaBase[0x4 + SKIPS] = 0x00044000;
222    pNv->dmaBase[0x5 + SKIPS] = 0x80000012;
223    pNv->dmaBase[0x6 + SKIPS] = 0x00046000;
224    pNv->dmaBase[0x7 + SKIPS] = 0x80000013;
225    pNv->dmaBase[0x8 + SKIPS] = 0x00048000;
226    pNv->dmaBase[0x9 + SKIPS] = 0x80000014;
227    pNv->dmaBase[0xA + SKIPS] = 0x0004A000;
228    pNv->dmaBase[0xB + SKIPS] = 0x80000015;
229    pNv->dmaBase[0xC + SKIPS] = 0x0004C000;
230    pNv->dmaBase[0xD + SKIPS] = 0x80000016;
231    pNv->dmaBase[0xE + SKIPS] = 0x0004E000;
232    pNv->dmaBase[0xF + SKIPS] = 0x80000017;
233
234    pNv->dmaPut = 0;
235    pNv->dmaCurrent = 16 + SKIPS;
236    pNv->dmaMax = 8191;
237    pNv->dmaFree = pNv->dmaMax - pNv->dmaCurrent;
238
239    switch(pNv->CurrentLayout.depth) {
240    case 24:
241       surfaceFormat = SURFACE_FORMAT_DEPTH24;
242       patternFormat = PATTERN_FORMAT_DEPTH24;
243       rectFormat    = RECT_FORMAT_DEPTH24;
244       lineFormat    = LINE_FORMAT_DEPTH24;
245       break;
246    case 16:
247    case 15:
248       surfaceFormat = SURFACE_FORMAT_DEPTH16;
249       patternFormat = PATTERN_FORMAT_DEPTH16;
250       rectFormat    = RECT_FORMAT_DEPTH16;
251       lineFormat    = LINE_FORMAT_DEPTH16;
252       break;
253    default:
254       surfaceFormat = SURFACE_FORMAT_DEPTH8;
255       patternFormat = PATTERN_FORMAT_DEPTH8;
256       rectFormat    = RECT_FORMAT_DEPTH8;
257       lineFormat    = LINE_FORMAT_DEPTH8;
258       break;
259    }
260
261    NVDmaStart(pNv, SURFACE_FORMAT, 4);
262    NVDmaNext (pNv, surfaceFormat);
263    NVDmaNext (pNv, pitch | (pitch << 16));
264    NVDmaNext (pNv, 0);
265    NVDmaNext (pNv, 0);
266
267    NVDmaStart(pNv, PATTERN_FORMAT, 1);
268    NVDmaNext (pNv, patternFormat);
269
270    NVDmaStart(pNv, RECT_FORMAT, 1);
271    NVDmaNext (pNv, rectFormat);
272
273    NVDmaStart(pNv, LINE_FORMAT, 1);
274    NVDmaNext (pNv, lineFormat);
275
276    pNv->currentRop = ~0;  /* set to something invalid */
277    NVSetRopSolid(pScrn, GXcopy, ~0);
278
279    NVDmaKickoff(pNv);
280}
281
282void NVSync(ScrnInfoPtr pScrn)
283{
284    NVPtr pNv = NVPTR(pScrn);
285    int bail = 10000000;
286
287    if(pNv->DMAKickoffCallback)
288       (*pNv->DMAKickoffCallback)(pScrn);
289
290    while((READ_GET(pNv) != pNv->dmaPut) && (bail > 0)) bail--;
291    if (bail == 0) {
292    	xf86Msg(X_ERROR, "DMA drain timeout\n");
293    	goto crap;
294    }
295
296    bail = 10000000;
297    while((pNv->PGRAPH[0x0700/4]) && (bail > 0)) bail--;
298    if (bail == 0) {
299    	xf86Msg(X_ERROR, "engine stalled\n");
300    	goto crap;
301    }
302    return;
303
304crap:
305    NVResetGraphics(pScrn);
306}
307
308 void
309NVDMAKickoffCallback (ScrnInfoPtr pScrn)
310{
311   NVPtr pNv = NVPTR(pScrn);
312
313   NVDmaKickoff(pNv);
314   pNv->DMAKickoffCallback = NULL;
315}
316
317#ifdef HAVE_XAA_H
318static void
319NVSetupForScreenToScreenCopy(
320   ScrnInfoPtr pScrn,
321   int xdir, int ydir,
322   int rop,
323   unsigned planemask,
324   int transparency_color
325)
326{
327    NVPtr pNv = NVPTR(pScrn);
328
329    planemask |= ~0 << pNv->CurrentLayout.depth;
330
331    NVSetRopSolid(pScrn, rop, planemask);
332
333    pNv->DMAKickoffCallback = NVDMAKickoffCallback;
334}
335
336static void
337NVSubsequentScreenToScreenCopy(
338   ScrnInfoPtr pScrn,
339   int x1, int y1,
340   int x2, int y2,
341   int w, int h
342)
343{
344    NVPtr pNv = NVPTR(pScrn);
345
346    NVDmaStart(pNv, BLIT_POINT_SRC, 3);
347    NVDmaNext (pNv, (y1 << 16) | x1);
348    NVDmaNext (pNv, (y2 << 16) | x2);
349    NVDmaNext (pNv, (h  << 16) | w);
350
351    if((w * h) >= 512)
352       NVDmaKickoff(pNv);
353}
354
355static void
356NVSetupForSolidFill(
357   ScrnInfoPtr pScrn,
358   int color,
359   int rop,
360   unsigned planemask
361)
362{
363   NVPtr pNv = NVPTR(pScrn);
364
365   planemask |= ~0 << pNv->CurrentLayout.depth;
366
367   NVSetRopSolid(pScrn, rop, planemask);
368   NVDmaStart(pNv, RECT_SOLID_COLOR, 1);
369   NVDmaNext (pNv, color);
370
371   pNv->DMAKickoffCallback = NVDMAKickoffCallback;
372}
373
374static void
375NVSubsequentSolidFillRect(ScrnInfoPtr pScrn, int x, int y, int w, int h)
376{
377   NVPtr pNv = NVPTR(pScrn);
378
379   NVDmaStart(pNv, RECT_SOLID_RECTS(0), 2);
380   NVDmaNext (pNv, (x << 16) | y);
381   NVDmaNext (pNv, (w << 16) | h);
382
383   if((w * h) >= 512)
384      NVDmaKickoff(pNv);
385}
386
387static void
388NVSetupForMono8x8PatternFill (
389   ScrnInfoPtr pScrn,
390   int patternx, int patterny,
391   int fg, int bg,
392   int rop,
393   unsigned planemask
394)
395{
396   NVPtr pNv = NVPTR(pScrn);
397
398   planemask = ~0 << pNv->CurrentLayout.depth;
399
400   fg |= planemask;
401   if(bg == -1) bg = 0;
402   else bg |= planemask;
403
404   if (pNv->currentRop != (rop + 16)) {
405       NVDmaStart(pNv, ROP_SET, 1);
406       NVDmaNext (pNv, NVPatternROP[rop]);
407       pNv->currentRop = rop + 16;
408   }
409
410   NVSetPattern(pScrn, bg, fg, patternx, patterny);
411   NVDmaStart(pNv, RECT_SOLID_COLOR, 1);
412   NVDmaNext (pNv, fg);
413
414   pNv->DMAKickoffCallback = NVDMAKickoffCallback;
415}
416
417static void
418NVSubsequentMono8x8PatternFillRect(
419   ScrnInfoPtr pScrn,
420   int patternx, int patterny,
421   int x, int y,
422   int w, int h
423)
424{
425   NVPtr pNv = NVPTR(pScrn);
426
427   NVDmaStart(pNv, RECT_SOLID_RECTS(0), 2);
428   NVDmaNext (pNv, (x << 16) | y);
429   NVDmaNext (pNv, (w << 16) | h);
430
431   if((w * h) >= 512)
432      NVDmaKickoff(pNv);
433}
434
435static CARD32 _bg_pixel;
436static CARD32 _fg_pixel;
437static Bool _transparent;
438static CARD32 _color_expand_dwords;
439static CARD32 _color_expand_offset;
440static int _remaining;
441static unsigned char *_storage_buffer[1];
442
443static void
444NVSetupForScanlineCPUToScreenColorExpandFill (
445   ScrnInfoPtr pScrn,
446   int fg, int bg,
447   int rop,
448   unsigned int planemask
449)
450{
451   NVPtr pNv = NVPTR(pScrn);
452
453   CARD32 mask = ~0 << pNv->CurrentLayout.depth;
454
455   planemask |= mask;
456   _fg_pixel = fg | mask;
457
458   if(bg == -1) {
459      _transparent = TRUE;
460   } else {
461      _transparent = FALSE;
462      _bg_pixel = bg | mask;
463   }
464
465   NVSetRopSolid (pScrn, rop, planemask);
466}
467
468static void
469NVSubsequentScanlineCPUToScreenColorExpandFill (
470    ScrnInfoPtr pScrn,
471    int x, int y,
472    int w, int h,
473    int skipleft
474)
475{
476   NVPtr pNv = NVPTR(pScrn);
477   int bw = (w + 31) & ~31;
478
479   _color_expand_dwords = bw >> 5;
480   _remaining = h;
481
482   if(_transparent) {
483      NVDmaStart(pNv, RECT_EXPAND_ONE_COLOR_CLIP, 5);
484      NVDmaNext (pNv, (y << 16) | ((x + skipleft) & 0xFFFF));
485      NVDmaNext (pNv, ((y + h) << 16) | ((x + w) & 0xFFFF));
486      NVDmaNext (pNv, _fg_pixel);
487      NVDmaNext (pNv, (h << 16) | bw);
488      NVDmaNext (pNv, (y << 16) | (x & 0xFFFF));
489      _color_expand_offset = RECT_EXPAND_ONE_COLOR_DATA(0);
490   } else {
491      NVDmaStart(pNv, RECT_EXPAND_TWO_COLOR_CLIP, 7);
492      NVDmaNext (pNv, (y << 16) | ((x + skipleft) & 0xFFFF));
493      NVDmaNext (pNv, ((y + h) << 16) | ((x + w) & 0xFFFF));
494      NVDmaNext (pNv, _bg_pixel);
495      NVDmaNext (pNv, _fg_pixel);
496      NVDmaNext (pNv, (h << 16) | bw);
497      NVDmaNext (pNv, (h << 16) | bw);
498      NVDmaNext (pNv, (y << 16) | (x & 0xFFFF));
499      _color_expand_offset = RECT_EXPAND_TWO_COLOR_DATA(0);
500   }
501
502   NVDmaStart(pNv, _color_expand_offset, _color_expand_dwords);
503   _storage_buffer[0] = (unsigned char*)&pNv->dmaBase[pNv->dmaCurrent];
504}
505
506static void
507NVSubsequentColorExpandScanline(ScrnInfoPtr pScrn, int bufno)
508{
509   NVPtr pNv = NVPTR(pScrn);
510
511   pNv->dmaCurrent += _color_expand_dwords;
512
513   if(--_remaining) {
514       NVDmaStart(pNv, _color_expand_offset, _color_expand_dwords);
515       _storage_buffer[0] = (unsigned char*)&pNv->dmaBase[pNv->dmaCurrent];
516   } else {
517       /* hardware bug workaround */
518       NVDmaStart(pNv, BLIT_POINT_SRC, 1);
519       NVDmaNext (pNv, 0);
520       NVDmaKickoff(pNv);
521   }
522}
523
524static void
525NVSetupForScanlineImageWrite(
526   ScrnInfoPtr pScrn, int rop,
527   unsigned int planemask,
528   int trans_color,
529   int bpp, int depth
530)
531{
532   NVPtr pNv = NVPTR(pScrn);
533
534   planemask |= ~0 << pNv->CurrentLayout.depth;
535
536   NVSetRopSolid (pScrn, rop, planemask);
537}
538
539static CARD32 _image_size;
540static CARD32 _image_srcpoint;
541static CARD32 _image_dstpoint;
542static CARD32 _image_dstpitch;
543
544static void
545NVSubsequentScanlineImageWriteRect(
546   ScrnInfoPtr pScrn,
547   int x, int y,
548   int w, int h,
549   int skipleft
550)
551{
552   NVPtr pNv = NVPTR(pScrn);
553   int Bpp = pNv->CurrentLayout.bitsPerPixel >> 3;
554   int image_srcpitch;
555
556   _image_size = (1 << 16) | (w - skipleft);
557   _image_srcpoint = skipleft;
558   _image_dstpoint = (y << 16) | (x + skipleft);
559   _remaining = h;
560   _image_dstpitch = pNv->CurrentLayout.displayWidth * Bpp;
561   image_srcpitch =  ((w * Bpp) + 63) & ~63;
562   _storage_buffer[0] = pNv->FbStart + pNv->ScratchBufferStart;
563
564   NVSync(pScrn);
565
566   NVDmaStart(pNv, SURFACE_PITCH, 2);
567   NVDmaNext (pNv, (_image_dstpitch << 16) | image_srcpitch);
568   NVDmaNext (pNv, pNv->ScratchBufferStart);
569}
570
571static void NVSubsequentImageWriteScanline(ScrnInfoPtr pScrn, int bufno)
572{
573   NVPtr pNv = NVPTR(pScrn);
574
575   NVDmaStart(pNv, BLIT_POINT_SRC, 3);
576   NVDmaNext (pNv, _image_srcpoint);
577   NVDmaNext (pNv, _image_dstpoint);
578   NVDmaNext (pNv, _image_size);
579   NVDmaKickoff(pNv);
580
581   if(--_remaining) {
582      _image_dstpoint += (1 << 16);
583      NVSync(pScrn);
584   } else {
585      NVDmaStart(pNv, SURFACE_PITCH, 2);
586      NVDmaNext (pNv, _image_dstpitch | (_image_dstpitch << 16));
587      NVDmaNext (pNv, 0);
588   }
589}
590
591static void
592NVSetupForSolidLine(ScrnInfoPtr pScrn, int color, int rop, unsigned planemask)
593{
594    NVPtr pNv = NVPTR(pScrn);
595
596    planemask |= ~0 << pNv->CurrentLayout.depth;
597
598    NVSetRopSolid(pScrn, rop, planemask);
599
600    _fg_pixel = color;
601
602    pNv->DMAKickoffCallback = NVDMAKickoffCallback;
603}
604
605static void
606NVSubsequentSolidHorVertLine(ScrnInfoPtr pScrn, int x, int y, int len, int dir)
607{
608    NVPtr pNv = NVPTR(pScrn);
609
610    NVDmaStart(pNv, LINE_COLOR, 1);
611    NVDmaNext (pNv, _fg_pixel);
612    NVDmaStart(pNv, LINE_LINES(0), 2);
613    NVDmaNext (pNv, (y << 16) | ( x & 0xffff));
614    if(dir == DEGREES_0) {
615       NVDmaNext (pNv, (y << 16) | ((x + len) & 0xffff));
616    } else {
617       NVDmaNext (pNv, ((y + len) << 16) | (x & 0xffff));
618    }
619}
620
621static void
622NVSubsequentSolidTwoPointLine(
623   ScrnInfoPtr pScrn,
624   int x1, int y1,
625   int x2, int y2,
626   int flags
627)
628{
629    NVPtr pNv = NVPTR(pScrn);
630    Bool drawLast = !(flags & OMIT_LAST);
631
632    NVDmaStart(pNv, LINE_COLOR, 1);
633    NVDmaNext (pNv, _fg_pixel);
634    NVDmaStart(pNv, LINE_LINES(0), drawLast ? 4 : 2);
635    NVDmaNext (pNv, (y1 << 16) | (x1 & 0xffff));
636    NVDmaNext (pNv, (y2 << 16) | (x2 & 0xffff));
637    if(drawLast) {
638        NVDmaNext (pNv, (y2 << 16) | (x2 & 0xffff));
639        NVDmaNext (pNv, ((y2 + 1) << 16) | (x2 & 0xffff));
640    }
641}
642
643static void
644NVSetClippingRectangle(ScrnInfoPtr pScrn, int x1, int y1, int x2, int y2)
645{
646    NVPtr pNv = NVPTR(pScrn);
647    int h = y2 - y1 + 1;
648    int w = x2 - x1 + 1;
649
650    NVDmaStart(pNv, CLIP_POINT, 2);
651    NVDmaNext (pNv, (y1 << 16) | x1);
652    NVDmaNext (pNv, (h << 16) | w);
653}
654
655static void
656NVDisableClipping(ScrnInfoPtr pScrn)
657{
658    NVPtr pNv = NVPTR(pScrn);
659
660    NVDmaStart(pNv, CLIP_POINT, 2);
661    NVDmaNext (pNv, 0);
662    NVDmaNext (pNv, 0x7FFF7FFF);
663}
664
665#endif
666
667/* Initialize XAA acceleration info */
668Bool
669NVAccelInit(ScreenPtr pScreen)
670{
671#ifdef HAVE_XAA_H
672   ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
673   NVPtr pNv = NVPTR(pScrn);
674   XAAInfoRecPtr accel;
675
676   accel = pNv->AccelInfoRec = XAACreateInfoRec();
677   if(!accel) return FALSE;
678
679   accel->Flags = LINEAR_FRAMEBUFFER | PIXMAP_CACHE | OFFSCREEN_PIXMAPS;
680   accel->Sync = NVSync;
681
682   accel->ScreenToScreenCopyFlags = NO_TRANSPARENCY;
683   accel->SetupForScreenToScreenCopy = NVSetupForScreenToScreenCopy;
684   accel->SubsequentScreenToScreenCopy = NVSubsequentScreenToScreenCopy;
685
686   accel->SolidFillFlags = 0;
687   accel->SetupForSolidFill = NVSetupForSolidFill;
688   accel->SubsequentSolidFillRect = NVSubsequentSolidFillRect;
689
690   accel->Mono8x8PatternFillFlags = HARDWARE_PATTERN_SCREEN_ORIGIN |
691                                    HARDWARE_PATTERN_PROGRAMMED_BITS |
692                                    NO_PLANEMASK;
693   accel->SetupForMono8x8PatternFill = NVSetupForMono8x8PatternFill;
694   accel->SubsequentMono8x8PatternFillRect = NVSubsequentMono8x8PatternFillRect;
695
696   accel->ScanlineCPUToScreenColorExpandFillFlags =
697                                    BIT_ORDER_IN_BYTE_LSBFIRST |
698                                    CPU_TRANSFER_PAD_DWORD |
699                                    LEFT_EDGE_CLIPPING |
700                                    LEFT_EDGE_CLIPPING_NEGATIVE_X;
701   accel->NumScanlineColorExpandBuffers = 1;
702   accel->SetupForScanlineCPUToScreenColorExpandFill =
703            NVSetupForScanlineCPUToScreenColorExpandFill;
704   accel->SubsequentScanlineCPUToScreenColorExpandFill =
705            NVSubsequentScanlineCPUToScreenColorExpandFill;
706   accel->SubsequentColorExpandScanline =
707            NVSubsequentColorExpandScanline;
708   accel->ScanlineColorExpandBuffers = _storage_buffer;
709
710   accel->ScanlineImageWriteFlags = NO_GXCOPY |
711                                    NO_TRANSPARENCY |
712                                    LEFT_EDGE_CLIPPING |
713                                    LEFT_EDGE_CLIPPING_NEGATIVE_X;
714   accel->NumScanlineImageWriteBuffers = 1;
715   accel->SetupForScanlineImageWrite = NVSetupForScanlineImageWrite;
716   accel->SubsequentScanlineImageWriteRect = NVSubsequentScanlineImageWriteRect;
717   accel->SubsequentImageWriteScanline = NVSubsequentImageWriteScanline;
718   accel->ScanlineImageWriteBuffers = _storage_buffer;
719
720   accel->SolidLineFlags = 0;
721   accel->SetupForSolidLine = NVSetupForSolidLine;
722   accel->SubsequentSolidHorVertLine = NVSubsequentSolidHorVertLine;
723   accel->SubsequentSolidTwoPointLine = NVSubsequentSolidTwoPointLine;
724   accel->SetClippingRectangle = NVSetClippingRectangle;
725   accel->DisableClipping = NVDisableClipping;
726   accel->ClippingFlags = HARDWARE_CLIP_SOLID_LINE;
727
728   miSetZeroLineBias(pScreen, OCTANT1 | OCTANT3 | OCTANT4 | OCTANT6);
729
730   return (XAAInit(pScreen, accel));
731#else
732   return FALSE;
733#endif
734}
735