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
35 static 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
55 static 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 static 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
95 void
NVDmaKickoff(NVPtr pNv)96 NVDmaKickoff(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
111 void
NVDmaWait(NVPtr pNv,int size)112 NVDmaWait (
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
142 void
NVWaitVSync(NVPtr pNv)143 NVWaitVSync(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
161 static void
NVSetPattern(ScrnInfoPtr pScrn,CARD32 clr0,CARD32 clr1,CARD32 pat0,CARD32 pat1)162 NVSetPattern(
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
179 static void
NVSetRopSolid(ScrnInfoPtr pScrn,CARD32 rop,CARD32 planemask)180 NVSetRopSolid(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
NVResetGraphics(ScrnInfoPtr pScrn)201 void 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
NVSync(ScrnInfoPtr pScrn)282 void NVSync(ScrnInfoPtr pScrn)
283 {
284 NVPtr pNv = NVPTR(pScrn);
285
286 if(pNv->DMAKickoffCallback)
287 (*pNv->DMAKickoffCallback)(pScrn);
288
289 while(READ_GET(pNv) != pNv->dmaPut);
290
291 while(pNv->PGRAPH[0x0700/4]);
292 }
293
294 static void
NVDMAKickoffCallback(ScrnInfoPtr pScrn)295 NVDMAKickoffCallback (ScrnInfoPtr pScrn)
296 {
297 NVPtr pNv = NVPTR(pScrn);
298
299 NVDmaKickoff(pNv);
300 pNv->DMAKickoffCallback = NULL;
301 }
302
303 #ifdef HAVE_XAA_H
304 static void
NVSetupForScreenToScreenCopy(ScrnInfoPtr pScrn,int xdir,int ydir,int rop,unsigned planemask,int transparency_color)305 NVSetupForScreenToScreenCopy(
306 ScrnInfoPtr pScrn,
307 int xdir, int ydir,
308 int rop,
309 unsigned planemask,
310 int transparency_color
311 )
312 {
313 NVPtr pNv = NVPTR(pScrn);
314
315 planemask |= ~0 << pNv->CurrentLayout.depth;
316
317 NVSetRopSolid(pScrn, rop, planemask);
318
319 pNv->DMAKickoffCallback = NVDMAKickoffCallback;
320 }
321
322 static void
NVSubsequentScreenToScreenCopy(ScrnInfoPtr pScrn,int x1,int y1,int x2,int y2,int w,int h)323 NVSubsequentScreenToScreenCopy(
324 ScrnInfoPtr pScrn,
325 int x1, int y1,
326 int x2, int y2,
327 int w, int h
328 )
329 {
330 NVPtr pNv = NVPTR(pScrn);
331
332 NVDmaStart(pNv, BLIT_POINT_SRC, 3);
333 NVDmaNext (pNv, (y1 << 16) | x1);
334 NVDmaNext (pNv, (y2 << 16) | x2);
335 NVDmaNext (pNv, (h << 16) | w);
336
337 if((w * h) >= 512)
338 NVDmaKickoff(pNv);
339 }
340
341 static void
NVSetupForSolidFill(ScrnInfoPtr pScrn,int color,int rop,unsigned planemask)342 NVSetupForSolidFill(
343 ScrnInfoPtr pScrn,
344 int color,
345 int rop,
346 unsigned planemask
347 )
348 {
349 NVPtr pNv = NVPTR(pScrn);
350
351 planemask |= ~0 << pNv->CurrentLayout.depth;
352
353 NVSetRopSolid(pScrn, rop, planemask);
354 NVDmaStart(pNv, RECT_SOLID_COLOR, 1);
355 NVDmaNext (pNv, color);
356
357 pNv->DMAKickoffCallback = NVDMAKickoffCallback;
358 }
359
360 static void
NVSubsequentSolidFillRect(ScrnInfoPtr pScrn,int x,int y,int w,int h)361 NVSubsequentSolidFillRect(ScrnInfoPtr pScrn, int x, int y, int w, int h)
362 {
363 NVPtr pNv = NVPTR(pScrn);
364
365 NVDmaStart(pNv, RECT_SOLID_RECTS(0), 2);
366 NVDmaNext (pNv, (x << 16) | y);
367 NVDmaNext (pNv, (w << 16) | h);
368
369 if((w * h) >= 512)
370 NVDmaKickoff(pNv);
371 }
372
373 static void
NVSetupForMono8x8PatternFill(ScrnInfoPtr pScrn,int patternx,int patterny,int fg,int bg,int rop,unsigned planemask)374 NVSetupForMono8x8PatternFill (
375 ScrnInfoPtr pScrn,
376 int patternx, int patterny,
377 int fg, int bg,
378 int rop,
379 unsigned planemask
380 )
381 {
382 NVPtr pNv = NVPTR(pScrn);
383
384 planemask = ~0 << pNv->CurrentLayout.depth;
385
386 fg |= planemask;
387 if(bg == -1) bg = 0;
388 else bg |= planemask;
389
390 if (pNv->currentRop != (rop + 16)) {
391 NVDmaStart(pNv, ROP_SET, 1);
392 NVDmaNext (pNv, NVPatternROP[rop]);
393 pNv->currentRop = rop + 16;
394 }
395
396 NVSetPattern(pScrn, bg, fg, patternx, patterny);
397 NVDmaStart(pNv, RECT_SOLID_COLOR, 1);
398 NVDmaNext (pNv, fg);
399
400 pNv->DMAKickoffCallback = NVDMAKickoffCallback;
401 }
402
403 static void
NVSubsequentMono8x8PatternFillRect(ScrnInfoPtr pScrn,int patternx,int patterny,int x,int y,int w,int h)404 NVSubsequentMono8x8PatternFillRect(
405 ScrnInfoPtr pScrn,
406 int patternx, int patterny,
407 int x, int y,
408 int w, int h
409 )
410 {
411 NVPtr pNv = NVPTR(pScrn);
412
413 NVDmaStart(pNv, RECT_SOLID_RECTS(0), 2);
414 NVDmaNext (pNv, (x << 16) | y);
415 NVDmaNext (pNv, (w << 16) | h);
416
417 if((w * h) >= 512)
418 NVDmaKickoff(pNv);
419 }
420
421 static CARD32 _bg_pixel;
422 static CARD32 _fg_pixel;
423 static Bool _transparent;
424 static CARD32 _color_expand_dwords;
425 static CARD32 _color_expand_offset;
426 static int _remaining;
427 static unsigned char *_storage_buffer[1];
428
429 static void
NVSetupForScanlineCPUToScreenColorExpandFill(ScrnInfoPtr pScrn,int fg,int bg,int rop,unsigned int planemask)430 NVSetupForScanlineCPUToScreenColorExpandFill (
431 ScrnInfoPtr pScrn,
432 int fg, int bg,
433 int rop,
434 unsigned int planemask
435 )
436 {
437 NVPtr pNv = NVPTR(pScrn);
438
439 CARD32 mask = ~0 << pNv->CurrentLayout.depth;
440
441 planemask |= mask;
442 _fg_pixel = fg | mask;
443
444 if(bg == -1) {
445 _transparent = TRUE;
446 } else {
447 _transparent = FALSE;
448 _bg_pixel = bg | mask;
449 }
450
451 NVSetRopSolid (pScrn, rop, planemask);
452 }
453
454 static void
NVSubsequentScanlineCPUToScreenColorExpandFill(ScrnInfoPtr pScrn,int x,int y,int w,int h,int skipleft)455 NVSubsequentScanlineCPUToScreenColorExpandFill (
456 ScrnInfoPtr pScrn,
457 int x, int y,
458 int w, int h,
459 int skipleft
460 )
461 {
462 NVPtr pNv = NVPTR(pScrn);
463 int bw = (w + 31) & ~31;
464
465 _color_expand_dwords = bw >> 5;
466 _remaining = h;
467
468 if(_transparent) {
469 NVDmaStart(pNv, RECT_EXPAND_ONE_COLOR_CLIP, 5);
470 NVDmaNext (pNv, (y << 16) | ((x + skipleft) & 0xFFFF));
471 NVDmaNext (pNv, ((y + h) << 16) | ((x + w) & 0xFFFF));
472 NVDmaNext (pNv, _fg_pixel);
473 NVDmaNext (pNv, (h << 16) | bw);
474 NVDmaNext (pNv, (y << 16) | (x & 0xFFFF));
475 _color_expand_offset = RECT_EXPAND_ONE_COLOR_DATA(0);
476 } else {
477 NVDmaStart(pNv, RECT_EXPAND_TWO_COLOR_CLIP, 7);
478 NVDmaNext (pNv, (y << 16) | ((x + skipleft) & 0xFFFF));
479 NVDmaNext (pNv, ((y + h) << 16) | ((x + w) & 0xFFFF));
480 NVDmaNext (pNv, _bg_pixel);
481 NVDmaNext (pNv, _fg_pixel);
482 NVDmaNext (pNv, (h << 16) | bw);
483 NVDmaNext (pNv, (h << 16) | bw);
484 NVDmaNext (pNv, (y << 16) | (x & 0xFFFF));
485 _color_expand_offset = RECT_EXPAND_TWO_COLOR_DATA(0);
486 }
487
488 NVDmaStart(pNv, _color_expand_offset, _color_expand_dwords);
489 _storage_buffer[0] = (unsigned char*)&pNv->dmaBase[pNv->dmaCurrent];
490 }
491
492 static void
NVSubsequentColorExpandScanline(ScrnInfoPtr pScrn,int bufno)493 NVSubsequentColorExpandScanline(ScrnInfoPtr pScrn, int bufno)
494 {
495 NVPtr pNv = NVPTR(pScrn);
496
497 pNv->dmaCurrent += _color_expand_dwords;
498
499 if(--_remaining) {
500 NVDmaStart(pNv, _color_expand_offset, _color_expand_dwords);
501 _storage_buffer[0] = (unsigned char*)&pNv->dmaBase[pNv->dmaCurrent];
502 } else {
503 /* hardware bug workaround */
504 NVDmaStart(pNv, BLIT_POINT_SRC, 1);
505 NVDmaNext (pNv, 0);
506 NVDmaKickoff(pNv);
507 }
508 }
509
510 static void
NVSetupForScanlineImageWrite(ScrnInfoPtr pScrn,int rop,unsigned int planemask,int trans_color,int bpp,int depth)511 NVSetupForScanlineImageWrite(
512 ScrnInfoPtr pScrn, int rop,
513 unsigned int planemask,
514 int trans_color,
515 int bpp, int depth
516 )
517 {
518 NVPtr pNv = NVPTR(pScrn);
519
520 planemask |= ~0 << pNv->CurrentLayout.depth;
521
522 NVSetRopSolid (pScrn, rop, planemask);
523 }
524
525 static CARD32 _image_size;
526 static CARD32 _image_srcpoint;
527 static CARD32 _image_dstpoint;
528 static CARD32 _image_dstpitch;
529
530 static void
NVSubsequentScanlineImageWriteRect(ScrnInfoPtr pScrn,int x,int y,int w,int h,int skipleft)531 NVSubsequentScanlineImageWriteRect(
532 ScrnInfoPtr pScrn,
533 int x, int y,
534 int w, int h,
535 int skipleft
536 )
537 {
538 NVPtr pNv = NVPTR(pScrn);
539 int Bpp = pNv->CurrentLayout.bitsPerPixel >> 3;
540 int image_srcpitch;
541
542 _image_size = (1 << 16) | (w - skipleft);
543 _image_srcpoint = skipleft;
544 _image_dstpoint = (y << 16) | (x + skipleft);
545 _remaining = h;
546 _image_dstpitch = pNv->CurrentLayout.displayWidth * Bpp;
547 image_srcpitch = ((w * Bpp) + 63) & ~63;
548 _storage_buffer[0] = pNv->FbStart + pNv->ScratchBufferStart;
549
550 NVSync(pScrn);
551
552 NVDmaStart(pNv, SURFACE_PITCH, 2);
553 NVDmaNext (pNv, (_image_dstpitch << 16) | image_srcpitch);
554 NVDmaNext (pNv, pNv->ScratchBufferStart);
555 }
556
NVSubsequentImageWriteScanline(ScrnInfoPtr pScrn,int bufno)557 static void NVSubsequentImageWriteScanline(ScrnInfoPtr pScrn, int bufno)
558 {
559 NVPtr pNv = NVPTR(pScrn);
560
561 NVDmaStart(pNv, BLIT_POINT_SRC, 3);
562 NVDmaNext (pNv, _image_srcpoint);
563 NVDmaNext (pNv, _image_dstpoint);
564 NVDmaNext (pNv, _image_size);
565 NVDmaKickoff(pNv);
566
567 if(--_remaining) {
568 _image_dstpoint += (1 << 16);
569 NVSync(pScrn);
570 } else {
571 NVDmaStart(pNv, SURFACE_PITCH, 2);
572 NVDmaNext (pNv, _image_dstpitch | (_image_dstpitch << 16));
573 NVDmaNext (pNv, 0);
574 }
575 }
576
577 static void
NVSetupForSolidLine(ScrnInfoPtr pScrn,int color,int rop,unsigned planemask)578 NVSetupForSolidLine(ScrnInfoPtr pScrn, int color, int rop, unsigned planemask)
579 {
580 NVPtr pNv = NVPTR(pScrn);
581
582 planemask |= ~0 << pNv->CurrentLayout.depth;
583
584 NVSetRopSolid(pScrn, rop, planemask);
585
586 _fg_pixel = color;
587
588 pNv->DMAKickoffCallback = NVDMAKickoffCallback;
589 }
590
591 static void
NVSubsequentSolidHorVertLine(ScrnInfoPtr pScrn,int x,int y,int len,int dir)592 NVSubsequentSolidHorVertLine(ScrnInfoPtr pScrn, int x, int y, int len, int dir)
593 {
594 NVPtr pNv = NVPTR(pScrn);
595
596 NVDmaStart(pNv, LINE_COLOR, 1);
597 NVDmaNext (pNv, _fg_pixel);
598 NVDmaStart(pNv, LINE_LINES(0), 2);
599 NVDmaNext (pNv, (y << 16) | ( x & 0xffff));
600 if(dir == DEGREES_0) {
601 NVDmaNext (pNv, (y << 16) | ((x + len) & 0xffff));
602 } else {
603 NVDmaNext (pNv, ((y + len) << 16) | (x & 0xffff));
604 }
605 }
606
607 static void
NVSubsequentSolidTwoPointLine(ScrnInfoPtr pScrn,int x1,int y1,int x2,int y2,int flags)608 NVSubsequentSolidTwoPointLine(
609 ScrnInfoPtr pScrn,
610 int x1, int y1,
611 int x2, int y2,
612 int flags
613 )
614 {
615 NVPtr pNv = NVPTR(pScrn);
616 Bool drawLast = !(flags & OMIT_LAST);
617
618 NVDmaStart(pNv, LINE_COLOR, 1);
619 NVDmaNext (pNv, _fg_pixel);
620 NVDmaStart(pNv, LINE_LINES(0), drawLast ? 4 : 2);
621 NVDmaNext (pNv, (y1 << 16) | (x1 & 0xffff));
622 NVDmaNext (pNv, (y2 << 16) | (x2 & 0xffff));
623 if(drawLast) {
624 NVDmaNext (pNv, (y2 << 16) | (x2 & 0xffff));
625 NVDmaNext (pNv, ((y2 + 1) << 16) | (x2 & 0xffff));
626 }
627 }
628
629 static void
NVSetClippingRectangle(ScrnInfoPtr pScrn,int x1,int y1,int x2,int y2)630 NVSetClippingRectangle(ScrnInfoPtr pScrn, int x1, int y1, int x2, int y2)
631 {
632 NVPtr pNv = NVPTR(pScrn);
633 int h = y2 - y1 + 1;
634 int w = x2 - x1 + 1;
635
636 NVDmaStart(pNv, CLIP_POINT, 2);
637 NVDmaNext (pNv, (y1 << 16) | x1);
638 NVDmaNext (pNv, (h << 16) | w);
639 }
640
641 static void
NVDisableClipping(ScrnInfoPtr pScrn)642 NVDisableClipping(ScrnInfoPtr pScrn)
643 {
644 NVPtr pNv = NVPTR(pScrn);
645
646 NVDmaStart(pNv, CLIP_POINT, 2);
647 NVDmaNext (pNv, 0);
648 NVDmaNext (pNv, 0x7FFF7FFF);
649 }
650
651 #endif
652
653 /* Initialize XAA acceleration info */
654 Bool
NVAccelInit(ScreenPtr pScreen)655 NVAccelInit(ScreenPtr pScreen)
656 {
657 #ifdef HAVE_XAA_H
658 ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
659 NVPtr pNv = NVPTR(pScrn);
660 XAAInfoRecPtr accel;
661
662 accel = pNv->AccelInfoRec = XAACreateInfoRec();
663 if(!accel) return FALSE;
664
665 accel->Flags = LINEAR_FRAMEBUFFER | PIXMAP_CACHE | OFFSCREEN_PIXMAPS;
666 accel->Sync = NVSync;
667
668 accel->ScreenToScreenCopyFlags = NO_TRANSPARENCY;
669 accel->SetupForScreenToScreenCopy = NVSetupForScreenToScreenCopy;
670 accel->SubsequentScreenToScreenCopy = NVSubsequentScreenToScreenCopy;
671
672 accel->SolidFillFlags = 0;
673 accel->SetupForSolidFill = NVSetupForSolidFill;
674 accel->SubsequentSolidFillRect = NVSubsequentSolidFillRect;
675
676 accel->Mono8x8PatternFillFlags = HARDWARE_PATTERN_SCREEN_ORIGIN |
677 HARDWARE_PATTERN_PROGRAMMED_BITS |
678 NO_PLANEMASK;
679 accel->SetupForMono8x8PatternFill = NVSetupForMono8x8PatternFill;
680 accel->SubsequentMono8x8PatternFillRect = NVSubsequentMono8x8PatternFillRect;
681
682 accel->ScanlineCPUToScreenColorExpandFillFlags =
683 BIT_ORDER_IN_BYTE_LSBFIRST |
684 CPU_TRANSFER_PAD_DWORD |
685 LEFT_EDGE_CLIPPING |
686 LEFT_EDGE_CLIPPING_NEGATIVE_X;
687 accel->NumScanlineColorExpandBuffers = 1;
688 accel->SetupForScanlineCPUToScreenColorExpandFill =
689 NVSetupForScanlineCPUToScreenColorExpandFill;
690 accel->SubsequentScanlineCPUToScreenColorExpandFill =
691 NVSubsequentScanlineCPUToScreenColorExpandFill;
692 accel->SubsequentColorExpandScanline =
693 NVSubsequentColorExpandScanline;
694 accel->ScanlineColorExpandBuffers = _storage_buffer;
695
696 accel->ScanlineImageWriteFlags = NO_GXCOPY |
697 NO_TRANSPARENCY |
698 LEFT_EDGE_CLIPPING |
699 LEFT_EDGE_CLIPPING_NEGATIVE_X;
700 accel->NumScanlineImageWriteBuffers = 1;
701 accel->SetupForScanlineImageWrite = NVSetupForScanlineImageWrite;
702 accel->SubsequentScanlineImageWriteRect = NVSubsequentScanlineImageWriteRect;
703 accel->SubsequentImageWriteScanline = NVSubsequentImageWriteScanline;
704 accel->ScanlineImageWriteBuffers = _storage_buffer;
705
706 accel->SolidLineFlags = 0;
707 accel->SetupForSolidLine = NVSetupForSolidLine;
708 accel->SubsequentSolidHorVertLine = NVSubsequentSolidHorVertLine;
709 accel->SubsequentSolidTwoPointLine = NVSubsequentSolidTwoPointLine;
710 accel->SetClippingRectangle = NVSetClippingRectangle;
711 accel->DisableClipping = NVDisableClipping;
712 accel->ClippingFlags = HARDWARE_CLIP_SOLID_LINE;
713
714 miSetZeroLineBias(pScreen, OCTANT1 | OCTANT3 | OCTANT4 | OCTANT6);
715
716 return (XAAInit(pScreen, accel));
717 #else
718 return FALSE;
719 #endif
720 }
721