nv_xaa.c revision a8c27980 
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
75#ifdef HAVE_XAA_H
76static const int NVPatternROP[16] =
77{
78   0x00,
79   0xA0,
80   0x50,
81   0xF0,
82   0x0A,
83   0xAA,
84   0x5A,
85   0xFA,
86   0x05,
87   0xA5,
88   0x55,
89   0xF5,
90   0x0F,
91   0xAF,
92   0x5F,
93   0xFF
94};
95#endif
96
97void
98NVDmaKickoff(NVPtr pNv)
99{
100    if(pNv->dmaCurrent != pNv->dmaPut) {
101        pNv->dmaPut = pNv->dmaCurrent;
102        WRITE_PUT(pNv,  pNv->dmaPut);
103    }
104}
105
106
107/* There is a HW race condition with videoram command buffers.
108   You can't jump to the location of your put offset.  We write put
109   at the jump offset + SKIPS dwords with noop padding in between
110   to solve this problem */
111#define SKIPS  8
112
113void
114NVDmaWait (
115   NVPtr pNv,
116   int size
117){
118    int dmaGet;
119
120    size++;
121
122    while(pNv->dmaFree < size) {
123       dmaGet = READ_GET(pNv);
124
125       if(pNv->dmaPut >= dmaGet) {
126           pNv->dmaFree = pNv->dmaMax - pNv->dmaCurrent;
127           if(pNv->dmaFree < size) {
128               NVDmaNext(pNv, 0x20000000);
129               if(dmaGet <= SKIPS) {
130                   if(pNv->dmaPut <= SKIPS) /* corner case - will be idle */
131                      WRITE_PUT(pNv, SKIPS + 1);
132                   do { dmaGet = READ_GET(pNv); }
133                   while(dmaGet <= SKIPS);
134               }
135               WRITE_PUT(pNv, SKIPS);
136               pNv->dmaCurrent = pNv->dmaPut = SKIPS;
137               pNv->dmaFree = dmaGet - (SKIPS + 1);
138           }
139       } else
140           pNv->dmaFree = dmaGet - pNv->dmaCurrent - 1;
141    }
142}
143
144void
145NVWaitVSync(NVPtr pNv)
146{
147    NVDmaStart(pNv, 0x0000A12C, 1);
148    NVDmaNext (pNv, 0);
149    NVDmaStart(pNv, 0x0000A134, 1);
150    NVDmaNext (pNv, pNv->CRTCnumber);
151    NVDmaStart(pNv, 0x0000A100, 1);
152    NVDmaNext (pNv, 0);
153    NVDmaStart(pNv, 0x0000A130, 1);
154    NVDmaNext (pNv, 0);
155}
156
157/*
158  currentRop =  0-15  solid fill
159               16-31  8x8 pattern fill
160               32-47  solid fill with planemask
161*/
162
163static void
164NVSetPattern(
165   ScrnInfoPtr pScrn,
166   CARD32 clr0,
167   CARD32 clr1,
168   CARD32 pat0,
169   CARD32 pat1
170)
171{
172    NVPtr pNv = NVPTR(pScrn);
173
174    NVDmaStart(pNv, PATTERN_COLOR_0, 4);
175    NVDmaNext (pNv, clr0);
176    NVDmaNext (pNv, clr1);
177    NVDmaNext (pNv, pat0);
178    NVDmaNext (pNv, pat1);
179}
180
181void
182NVSetRopSolid(ScrnInfoPtr pScrn, CARD32 rop, CARD32 planemask)
183{
184    NVPtr pNv = NVPTR(pScrn);
185
186    if(planemask != ~0) {
187        NVSetPattern(pScrn, 0, planemask, ~0, ~0);
188        if(pNv->currentRop != (rop + 32)) {
189           NVDmaStart(pNv, ROP_SET, 1);
190           NVDmaNext (pNv, NVCopyROP_PM[rop]);
191           pNv->currentRop = rop + 32;
192        }
193    } else
194    if (pNv->currentRop != rop) {
195        if(pNv->currentRop >= 16)
196             NVSetPattern(pScrn, ~0, ~0, ~0, ~0);
197        NVDmaStart(pNv, ROP_SET, 1);
198        NVDmaNext (pNv, NVCopyROP[rop]);
199        pNv->currentRop = rop;
200    }
201}
202
203void NVResetGraphics(ScrnInfoPtr pScrn)
204{
205    NVPtr pNv = NVPTR(pScrn);
206    CARD32 surfaceFormat, patternFormat, rectFormat, lineFormat;
207    int pitch, i;
208
209    if(pNv->NoAccel) return;
210
211    pitch = pNv->CurrentLayout.displayWidth *
212            (pNv->CurrentLayout.bitsPerPixel >> 3);
213
214    pNv->dmaBase = (CARD32*)(&pNv->FbStart[pNv->FbUsableSize]);
215
216    for(i = 0; i < SKIPS; i++)
217      pNv->dmaBase[i] = 0x00000000;
218
219    pNv->dmaBase[0x0 + SKIPS] = 0x00040000;
220    pNv->dmaBase[0x1 + SKIPS] = 0x80000010;
221    pNv->dmaBase[0x2 + SKIPS] = 0x00042000;
222    pNv->dmaBase[0x3 + SKIPS] = 0x80000011;
223    pNv->dmaBase[0x4 + SKIPS] = 0x00044000;
224    pNv->dmaBase[0x5 + SKIPS] = 0x80000012;
225    pNv->dmaBase[0x6 + SKIPS] = 0x00046000;
226    pNv->dmaBase[0x7 + SKIPS] = 0x80000013;
227    pNv->dmaBase[0x8 + SKIPS] = 0x00048000;
228    pNv->dmaBase[0x9 + SKIPS] = 0x80000014;
229    pNv->dmaBase[0xA + SKIPS] = 0x0004A000;
230    pNv->dmaBase[0xB + SKIPS] = 0x80000015;
231    pNv->dmaBase[0xC + SKIPS] = 0x0004C000;
232    pNv->dmaBase[0xD + SKIPS] = 0x80000016;
233    pNv->dmaBase[0xE + SKIPS] = 0x0004E000;
234    pNv->dmaBase[0xF + SKIPS] = 0x80000017;
235
236    pNv->dmaPut = 0;
237    pNv->dmaCurrent = 16 + SKIPS;
238    pNv->dmaMax = 8191;
239    pNv->dmaFree = pNv->dmaMax - pNv->dmaCurrent;
240
241    switch(pNv->CurrentLayout.depth) {
242    case 24:
243       surfaceFormat = SURFACE_FORMAT_DEPTH24;
244       patternFormat = PATTERN_FORMAT_DEPTH24;
245       rectFormat    = RECT_FORMAT_DEPTH24;
246       lineFormat    = LINE_FORMAT_DEPTH24;
247       break;
248    case 16:
249    case 15:
250       surfaceFormat = SURFACE_FORMAT_DEPTH16;
251       patternFormat = PATTERN_FORMAT_DEPTH16;
252       rectFormat    = RECT_FORMAT_DEPTH16;
253       lineFormat    = LINE_FORMAT_DEPTH16;
254       break;
255    default:
256       surfaceFormat = SURFACE_FORMAT_DEPTH8;
257       patternFormat = PATTERN_FORMAT_DEPTH8;
258       rectFormat    = RECT_FORMAT_DEPTH8;
259       lineFormat    = LINE_FORMAT_DEPTH8;
260       break;
261    }
262
263    NVDmaStart(pNv, SURFACE_FORMAT, 4);
264    NVDmaNext (pNv, surfaceFormat);
265    NVDmaNext (pNv, pitch | (pitch << 16));
266    NVDmaNext (pNv, 0);
267    NVDmaNext (pNv, 0);
268
269    NVDmaStart(pNv, PATTERN_FORMAT, 1);
270    NVDmaNext (pNv, patternFormat);
271
272    NVDmaStart(pNv, RECT_FORMAT, 1);
273    NVDmaNext (pNv, rectFormat);
274
275    NVDmaStart(pNv, LINE_FORMAT, 1);
276    NVDmaNext (pNv, lineFormat);
277
278    pNv->currentRop = ~0;  /* set to something invalid */
279    NVSetRopSolid(pScrn, GXcopy, ~0);
280
281    NVDmaKickoff(pNv);
282}
283
284void NVSync(ScrnInfoPtr pScrn)
285{
286    NVPtr pNv = NVPTR(pScrn);
287    int bail = 10000000;
288
289    if(pNv->DMAKickoffCallback)
290       (*pNv->DMAKickoffCallback)(pScrn);
291
292    while((READ_GET(pNv) != pNv->dmaPut) && (bail > 0)) bail--;
293    if (bail == 0) {
294    	xf86Msg(X_ERROR, "DMA drain timeout\n");
295    	goto crap;
296    }
297
298    bail = 10000000;
299    while((pNv->PGRAPH[0x0700/4]) && (bail > 0)) bail--;
300    if (bail == 0) {
301    	xf86Msg(X_ERROR, "engine stalled\n");
302    	goto crap;
303    }
304    return;
305
306crap:
307    NVResetGraphics(pScrn);
308}
309
310void
311NVDMAKickoffCallback (ScrnInfoPtr pScrn)
312{
313   NVPtr pNv = NVPTR(pScrn);
314
315   NVDmaKickoff(pNv);
316   pNv->DMAKickoffCallback = NULL;
317}
318
319#ifdef HAVE_XAA_H
320static void
321NVSetupForScreenToScreenCopy(
322   ScrnInfoPtr pScrn,
323   int xdir, int ydir,
324   int rop,
325   unsigned planemask,
326   int transparency_color
327)
328{
329    NVPtr pNv = NVPTR(pScrn);
330
331    planemask |= ~0 << pNv->CurrentLayout.depth;
332
333    NVSetRopSolid(pScrn, rop, planemask);
334
335    pNv->DMAKickoffCallback = NVDMAKickoffCallback;
336}
337
338static void
339NVSubsequentScreenToScreenCopy(
340   ScrnInfoPtr pScrn,
341   int x1, int y1,
342   int x2, int y2,
343   int w, int h
344)
345{
346    NVPtr pNv = NVPTR(pScrn);
347
348    NVDmaStart(pNv, BLIT_POINT_SRC, 3);
349    NVDmaNext (pNv, (y1 << 16) | x1);
350    NVDmaNext (pNv, (y2 << 16) | x2);
351    NVDmaNext (pNv, (h  << 16) | w);
352
353    if((w * h) >= 512)
354       NVDmaKickoff(pNv);
355}
356
357static void
358NVSetupForSolidFill(
359   ScrnInfoPtr pScrn,
360   int color,
361   int rop,
362   unsigned planemask
363)
364{
365   NVPtr pNv = NVPTR(pScrn);
366
367   planemask |= ~0 << pNv->CurrentLayout.depth;
368
369   NVSetRopSolid(pScrn, rop, planemask);
370   NVDmaStart(pNv, RECT_SOLID_COLOR, 1);
371   NVDmaNext (pNv, color);
372
373   pNv->DMAKickoffCallback = NVDMAKickoffCallback;
374}
375
376static void
377NVSubsequentSolidFillRect(ScrnInfoPtr pScrn, int x, int y, int w, int h)
378{
379   NVPtr pNv = NVPTR(pScrn);
380
381   NVDmaStart(pNv, RECT_SOLID_RECTS(0), 2);
382   NVDmaNext (pNv, (x << 16) | y);
383   NVDmaNext (pNv, (w << 16) | h);
384
385   if((w * h) >= 512)
386      NVDmaKickoff(pNv);
387}
388
389static void
390NVSetupForMono8x8PatternFill (
391   ScrnInfoPtr pScrn,
392   int patternx, int patterny,
393   int fg, int bg,
394   int rop,
395   unsigned planemask
396)
397{
398   NVPtr pNv = NVPTR(pScrn);
399
400   planemask = ~0 << pNv->CurrentLayout.depth;
401
402   fg |= planemask;
403   if(bg == -1) bg = 0;
404   else bg |= planemask;
405
406   if (pNv->currentRop != (rop + 16)) {
407       NVDmaStart(pNv, ROP_SET, 1);
408       NVDmaNext (pNv, NVPatternROP[rop]);
409       pNv->currentRop = rop + 16;
410   }
411
412   NVSetPattern(pScrn, bg, fg, patternx, patterny);
413   NVDmaStart(pNv, RECT_SOLID_COLOR, 1);
414   NVDmaNext (pNv, fg);
415
416   pNv->DMAKickoffCallback = NVDMAKickoffCallback;
417}
418
419static void
420NVSubsequentMono8x8PatternFillRect(
421   ScrnInfoPtr pScrn,
422   int patternx, int patterny,
423   int x, int y,
424   int w, int h
425)
426{
427   NVPtr pNv = NVPTR(pScrn);
428
429   NVDmaStart(pNv, RECT_SOLID_RECTS(0), 2);
430   NVDmaNext (pNv, (x << 16) | y);
431   NVDmaNext (pNv, (w << 16) | h);
432
433   if((w * h) >= 512)
434      NVDmaKickoff(pNv);
435}
436
437static CARD32 _bg_pixel;
438static CARD32 _fg_pixel;
439static Bool _transparent;
440static CARD32 _color_expand_dwords;
441static CARD32 _color_expand_offset;
442static int _remaining;
443static unsigned char *_storage_buffer[1];
444
445static void
446NVSetupForScanlineCPUToScreenColorExpandFill (
447   ScrnInfoPtr pScrn,
448   int fg, int bg,
449   int rop,
450   unsigned int planemask
451)
452{
453   NVPtr pNv = NVPTR(pScrn);
454
455   CARD32 mask = ~0 << pNv->CurrentLayout.depth;
456
457   planemask |= mask;
458   _fg_pixel = fg | mask;
459
460   if(bg == -1) {
461      _transparent = TRUE;
462   } else {
463      _transparent = FALSE;
464      _bg_pixel = bg | mask;
465   }
466
467   NVSetRopSolid (pScrn, rop, planemask);
468}
469
470static void
471NVSubsequentScanlineCPUToScreenColorExpandFill (
472    ScrnInfoPtr pScrn,
473    int x, int y,
474    int w, int h,
475    int skipleft
476)
477{
478   NVPtr pNv = NVPTR(pScrn);
479   int bw = (w + 31) & ~31;
480
481   _color_expand_dwords = bw >> 5;
482   _remaining = h;
483
484   if(_transparent) {
485      NVDmaStart(pNv, RECT_EXPAND_ONE_COLOR_CLIP, 5);
486      NVDmaNext (pNv, (y << 16) | ((x + skipleft) & 0xFFFF));
487      NVDmaNext (pNv, ((y + h) << 16) | ((x + w) & 0xFFFF));
488      NVDmaNext (pNv, _fg_pixel);
489      NVDmaNext (pNv, (h << 16) | bw);
490      NVDmaNext (pNv, (y << 16) | (x & 0xFFFF));
491      _color_expand_offset = RECT_EXPAND_ONE_COLOR_DATA(0);
492   } else {
493      NVDmaStart(pNv, RECT_EXPAND_TWO_COLOR_CLIP, 7);
494      NVDmaNext (pNv, (y << 16) | ((x + skipleft) & 0xFFFF));
495      NVDmaNext (pNv, ((y + h) << 16) | ((x + w) & 0xFFFF));
496      NVDmaNext (pNv, _bg_pixel);
497      NVDmaNext (pNv, _fg_pixel);
498      NVDmaNext (pNv, (h << 16) | bw);
499      NVDmaNext (pNv, (h << 16) | bw);
500      NVDmaNext (pNv, (y << 16) | (x & 0xFFFF));
501      _color_expand_offset = RECT_EXPAND_TWO_COLOR_DATA(0);
502   }
503
504   NVDmaStart(pNv, _color_expand_offset, _color_expand_dwords);
505   _storage_buffer[0] = (unsigned char*)&pNv->dmaBase[pNv->dmaCurrent];
506}
507
508static void
509NVSubsequentColorExpandScanline(ScrnInfoPtr pScrn, int bufno)
510{
511   NVPtr pNv = NVPTR(pScrn);
512
513   pNv->dmaCurrent += _color_expand_dwords;
514
515   if(--_remaining) {
516       NVDmaStart(pNv, _color_expand_offset, _color_expand_dwords);
517       _storage_buffer[0] = (unsigned char*)&pNv->dmaBase[pNv->dmaCurrent];
518   } else {
519       /* hardware bug workaround */
520       NVDmaStart(pNv, BLIT_POINT_SRC, 1);
521       NVDmaNext (pNv, 0);
522       NVDmaKickoff(pNv);
523   }
524}
525
526static void
527NVSetupForScanlineImageWrite(
528   ScrnInfoPtr pScrn, int rop,
529   unsigned int planemask,
530   int trans_color,
531   int bpp, int depth
532)
533{
534   NVPtr pNv = NVPTR(pScrn);
535
536   planemask |= ~0 << pNv->CurrentLayout.depth;
537
538   NVSetRopSolid (pScrn, rop, planemask);
539}
540
541static CARD32 _image_size;
542static CARD32 _image_srcpoint;
543static CARD32 _image_dstpoint;
544static CARD32 _image_dstpitch;
545
546static void
547NVSubsequentScanlineImageWriteRect(
548   ScrnInfoPtr pScrn,
549   int x, int y,
550   int w, int h,
551   int skipleft
552)
553{
554   NVPtr pNv = NVPTR(pScrn);
555   int Bpp = pNv->CurrentLayout.bitsPerPixel >> 3;
556   int image_srcpitch;
557
558   _image_size = (1 << 16) | (w - skipleft);
559   _image_srcpoint = skipleft;
560   _image_dstpoint = (y << 16) | (x + skipleft);
561   _remaining = h;
562   _image_dstpitch = pNv->CurrentLayout.displayWidth * Bpp;
563   image_srcpitch =  ((w * Bpp) + 63) & ~63;
564   _storage_buffer[0] = pNv->FbStart + pNv->ScratchBufferStart;
565
566   NVSync(pScrn);
567
568   NVDmaStart(pNv, SURFACE_PITCH, 2);
569   NVDmaNext (pNv, (_image_dstpitch << 16) | image_srcpitch);
570   NVDmaNext (pNv, pNv->ScratchBufferStart);
571}
572
573static void NVSubsequentImageWriteScanline(ScrnInfoPtr pScrn, int bufno)
574{
575   NVPtr pNv = NVPTR(pScrn);
576
577   NVDmaStart(pNv, BLIT_POINT_SRC, 3);
578   NVDmaNext (pNv, _image_srcpoint);
579   NVDmaNext (pNv, _image_dstpoint);
580   NVDmaNext (pNv, _image_size);
581   NVDmaKickoff(pNv);
582
583   if(--_remaining) {
584      _image_dstpoint += (1 << 16);
585      NVSync(pScrn);
586   } else {
587      NVDmaStart(pNv, SURFACE_PITCH, 2);
588      NVDmaNext (pNv, _image_dstpitch | (_image_dstpitch << 16));
589      NVDmaNext (pNv, 0);
590   }
591}
592
593static void
594NVSetupForSolidLine(ScrnInfoPtr pScrn, int color, int rop, unsigned planemask)
595{
596    NVPtr pNv = NVPTR(pScrn);
597
598    planemask |= ~0 << pNv->CurrentLayout.depth;
599
600    NVSetRopSolid(pScrn, rop, planemask);
601
602    _fg_pixel = color;
603
604    pNv->DMAKickoffCallback = NVDMAKickoffCallback;
605}
606
607static void
608NVSubsequentSolidHorVertLine(ScrnInfoPtr pScrn, int x, int y, int len, int dir)
609{
610    NVPtr pNv = NVPTR(pScrn);
611
612    NVDmaStart(pNv, LINE_COLOR, 1);
613    NVDmaNext (pNv, _fg_pixel);
614    NVDmaStart(pNv, LINE_LINES(0), 2);
615    NVDmaNext (pNv, (y << 16) | ( x & 0xffff));
616    if(dir == DEGREES_0) {
617       NVDmaNext (pNv, (y << 16) | ((x + len) & 0xffff));
618    } else {
619       NVDmaNext (pNv, ((y + len) << 16) | (x & 0xffff));
620    }
621}
622
623static void
624NVSubsequentSolidTwoPointLine(
625   ScrnInfoPtr pScrn,
626   int x1, int y1,
627   int x2, int y2,
628   int flags
629)
630{
631    NVPtr pNv = NVPTR(pScrn);
632    Bool drawLast = !(flags & OMIT_LAST);
633
634    NVDmaStart(pNv, LINE_COLOR, 1);
635    NVDmaNext (pNv, _fg_pixel);
636    NVDmaStart(pNv, LINE_LINES(0), drawLast ? 4 : 2);
637    NVDmaNext (pNv, (y1 << 16) | (x1 & 0xffff));
638    NVDmaNext (pNv, (y2 << 16) | (x2 & 0xffff));
639    if(drawLast) {
640        NVDmaNext (pNv, (y2 << 16) | (x2 & 0xffff));
641        NVDmaNext (pNv, ((y2 + 1) << 16) | (x2 & 0xffff));
642    }
643}
644
645static void
646NVSetClippingRectangle(ScrnInfoPtr pScrn, int x1, int y1, int x2, int y2)
647{
648    NVPtr pNv = NVPTR(pScrn);
649    int h = y2 - y1 + 1;
650    int w = x2 - x1 + 1;
651
652    NVDmaStart(pNv, CLIP_POINT, 2);
653    NVDmaNext (pNv, (y1 << 16) | x1);
654    NVDmaNext (pNv, (h << 16) | w);
655}
656
657static void
658NVDisableClipping(ScrnInfoPtr pScrn)
659{
660    NVPtr pNv = NVPTR(pScrn);
661
662    NVDmaStart(pNv, CLIP_POINT, 2);
663    NVDmaNext (pNv, 0);
664    NVDmaNext (pNv, 0x7FFF7FFF);
665}
666
667#endif
668
669/* Initialize XAA acceleration info */
670Bool
671NVAccelInit(ScreenPtr pScreen)
672{
673#ifdef HAVE_XAA_H
674   ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
675   NVPtr pNv = NVPTR(pScrn);
676   XAAInfoRecPtr accel;
677
678   accel = pNv->AccelInfoRec = XAACreateInfoRec();
679   if(!accel) return FALSE;
680
681   accel->Flags = LINEAR_FRAMEBUFFER | PIXMAP_CACHE | OFFSCREEN_PIXMAPS;
682   accel->Sync = NVSync;
683
684   accel->ScreenToScreenCopyFlags = NO_TRANSPARENCY;
685   accel->SetupForScreenToScreenCopy = NVSetupForScreenToScreenCopy;
686   accel->SubsequentScreenToScreenCopy = NVSubsequentScreenToScreenCopy;
687
688   accel->SolidFillFlags = 0;
689   accel->SetupForSolidFill = NVSetupForSolidFill;
690   accel->SubsequentSolidFillRect = NVSubsequentSolidFillRect;
691
692   accel->Mono8x8PatternFillFlags = HARDWARE_PATTERN_SCREEN_ORIGIN |
693                                    HARDWARE_PATTERN_PROGRAMMED_BITS |
694                                    NO_PLANEMASK;
695   accel->SetupForMono8x8PatternFill = NVSetupForMono8x8PatternFill;
696   accel->SubsequentMono8x8PatternFillRect = NVSubsequentMono8x8PatternFillRect;
697
698   accel->ScanlineCPUToScreenColorExpandFillFlags =
699                                    BIT_ORDER_IN_BYTE_LSBFIRST |
700                                    CPU_TRANSFER_PAD_DWORD |
701                                    LEFT_EDGE_CLIPPING |
702                                    LEFT_EDGE_CLIPPING_NEGATIVE_X;
703   accel->NumScanlineColorExpandBuffers = 1;
704   accel->SetupForScanlineCPUToScreenColorExpandFill =
705            NVSetupForScanlineCPUToScreenColorExpandFill;
706   accel->SubsequentScanlineCPUToScreenColorExpandFill =
707            NVSubsequentScanlineCPUToScreenColorExpandFill;
708   accel->SubsequentColorExpandScanline =
709            NVSubsequentColorExpandScanline;
710   accel->ScanlineColorExpandBuffers = _storage_buffer;
711
712   accel->ScanlineImageWriteFlags = NO_GXCOPY |
713                                    NO_TRANSPARENCY |
714                                    LEFT_EDGE_CLIPPING |
715                                    LEFT_EDGE_CLIPPING_NEGATIVE_X;
716   accel->NumScanlineImageWriteBuffers = 1;
717   accel->SetupForScanlineImageWrite = NVSetupForScanlineImageWrite;
718   accel->SubsequentScanlineImageWriteRect = NVSubsequentScanlineImageWriteRect;
719   accel->SubsequentImageWriteScanline = NVSubsequentImageWriteScanline;
720   accel->ScanlineImageWriteBuffers = _storage_buffer;
721
722   accel->SolidLineFlags = 0;
723   accel->SetupForSolidLine = NVSetupForSolidLine;
724   accel->SubsequentSolidHorVertLine = NVSubsequentSolidHorVertLine;
725   accel->SubsequentSolidTwoPointLine = NVSubsequentSolidTwoPointLine;
726   accel->SetClippingRectangle = NVSetClippingRectangle;
727   accel->DisableClipping = NVDisableClipping;
728   accel->ClippingFlags = HARDWARE_CLIP_SOLID_LINE;
729
730   miSetZeroLineBias(pScreen, OCTANT1 | OCTANT3 | OCTANT4 | OCTANT6);
731
732   return (XAAInit(pScreen, accel));
733#else
734   return FALSE;
735#endif
736}
737