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revert between 56095 -> 55830 in arch
[AROS.git] / workbench / libs / mesa / src / gallium / drivers / nv50 / nv50_vbo.c
blobbb08941c24301617d5671fe0d40f80e5d1bdfb0d
1 /*
2 * Copyright 2010 Christoph Bumiller
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 shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 #include "pipe/p_context.h"
24 #include "pipe/p_state.h"
25 #include "util/u_inlines.h"
26 #include "util/u_format.h"
27 #include "translate/translate.h"
28
29 #include "nv50_context.h"
30 #include "nv50_resource.h"
31
32 #include "nv50_3d.xml.h"
33
34 void
35 nv50_vertex_state_delete(struct pipe_context *pipe,
36 void *hwcso)
37 {
38 struct nv50_vertex_stateobj *so = hwcso;
39
40 if (so->translate)
41 so->translate->release(so->translate);
42 FREE(hwcso);
43 }
44
45 void *
46 nv50_vertex_state_create(struct pipe_context *pipe,
47 unsigned num_elements,
48 const struct pipe_vertex_element *elements)
49 {
50 struct nv50_vertex_stateobj *so;
51 struct translate_key transkey;
52 unsigned i;
53
54 so = MALLOC(sizeof(*so) +
55 num_elements * sizeof(struct nv50_vertex_element));
56 if (!so)
57 return NULL;
58 so->num_elements = num_elements;
59 so->instance_elts = 0;
60 so->instance_bufs = 0;
61 so->need_conversion = FALSE;
62
63 transkey.nr_elements = 0;
64 transkey.output_stride = 0;
65
66 for (i = 0; i < num_elements; ++i) {
67 const struct pipe_vertex_element *ve = &elements[i];
68 const unsigned vbi = ve->vertex_buffer_index;
69 enum pipe_format fmt = ve->src_format;
70
71 so->element[i].pipe = elements[i];
72 so->element[i].state = nv50_format_table[fmt].vtx;
73
74 if (!so->element[i].state) {
75 switch (util_format_get_nr_components(fmt)) {
76 case 1: fmt = PIPE_FORMAT_R32_FLOAT; break;
77 case 2: fmt = PIPE_FORMAT_R32G32_FLOAT; break;
78 case 3: fmt = PIPE_FORMAT_R32G32B32_FLOAT; break;
79 case 4: fmt = PIPE_FORMAT_R32G32B32A32_FLOAT; break;
80 default:
81 assert(0);
82 return NULL;
83 }
84 so->element[i].state = nv50_format_table[fmt].vtx;
85 so->need_conversion = TRUE;
86 }
87 so->element[i].state |= i;
88
89 if (1) {
90 unsigned j = transkey.nr_elements++;
91
92 transkey.element[j].type = TRANSLATE_ELEMENT_NORMAL;
93 transkey.element[j].input_format = ve->src_format;
94 transkey.element[j].input_buffer = vbi;
95 transkey.element[j].input_offset = ve->src_offset;
96 transkey.element[j].instance_divisor = ve->instance_divisor;
97
98 transkey.element[j].output_format = fmt;
99 transkey.element[j].output_offset = transkey.output_stride;
100 transkey.output_stride += (util_format_get_stride(fmt, 1) + 3) & ~3;
101
102 if (unlikely(ve->instance_divisor)) {
103 so->instance_elts |= 1 << i;
104 so->instance_bufs |= 1 << vbi;
105 }
106 }
107 }
108
109 so->translate = translate_create(&transkey);
110 so->vertex_size = transkey.output_stride / 4;
111 so->packet_vertex_limit = NV04_PFIFO_MAX_PACKET_LEN /
112 MAX2(so->vertex_size, 1);
113
114 return so;
115 }
116
117 #define NV50_3D_VERTEX_ATTRIB_INACTIVE \
118 NV50_3D_VERTEX_ARRAY_ATTRIB_TYPE_FLOAT | \
119 NV50_3D_VERTEX_ARRAY_ATTRIB_FORMAT_32_32_32_32 | \
120 NV50_3D_VERTEX_ARRAY_ATTRIB_CONST
121
122 static void
123 nv50_emit_vtxattr(struct nv50_context *nv50, struct pipe_vertex_buffer *vb,
124 struct pipe_vertex_element *ve, unsigned attr)
125 {
126 const void *data;
127 struct nouveau_channel *chan = nv50->screen->base.channel;
128 struct nv04_resource *res = nv04_resource(vb->buffer);
129 float v[4];
130 const unsigned nc = util_format_get_nr_components(ve->src_format);
131
132 data = nouveau_resource_map_offset(&nv50->base, res, vb->buffer_offset +
133 ve->src_offset, NOUVEAU_BO_RD);
134
135 util_format_read_4f(ve->src_format, v, 0, data, 0, 0, 0, 1, 1);
136
137 switch (nc) {
138 case 4:
139 BEGIN_RING(chan, RING_3D(VTX_ATTR_4F_X(attr)), 4);
140 OUT_RINGf (chan, v[0]);
141 OUT_RINGf (chan, v[1]);
142 OUT_RINGf (chan, v[2]);
143 OUT_RINGf (chan, v[3]);
144 break;
145 case 3:
146 BEGIN_RING(chan, RING_3D(VTX_ATTR_3F_X(attr)), 3);
147 OUT_RINGf (chan, v[0]);
148 OUT_RINGf (chan, v[1]);
149 OUT_RINGf (chan, v[2]);
150 break;
151 case 2:
152 BEGIN_RING(chan, RING_3D(VTX_ATTR_2F_X(attr)), 2);
153 OUT_RINGf (chan, v[0]);
154 OUT_RINGf (chan, v[1]);
155 break;
156 case 1:
157 if (attr == nv50->vertprog->vp.edgeflag) {
158 BEGIN_RING(chan, RING_3D(EDGEFLAG_ENABLE), 1);
159 OUT_RING (chan, v[0] ? 1 : 0);
160 }
161 BEGIN_RING(chan, RING_3D(VTX_ATTR_1F(attr)), 1);
162 OUT_RINGf (chan, v[0]);
163 break;
164 default:
165 assert(0);
166 break;
167 }
168 }
169
170 static INLINE void
171 nv50_vbuf_range(struct nv50_context *nv50, int vbi,
172 uint32_t *base, uint32_t *size)
173 {
174 if (unlikely(nv50->vertex->instance_bufs & (1 << vbi))) {
175 /* TODO: use min and max instance divisor to get a proper range */
176 *base = 0;
177 *size = nv50->vtxbuf[vbi].buffer->width0;
178 } else {
179 assert(nv50->vbo_max_index != ~0);
180 *base = nv50->vbo_min_index * nv50->vtxbuf[vbi].stride;
181 *size = (nv50->vbo_max_index -
182 nv50->vbo_min_index + 1) * nv50->vtxbuf[vbi].stride;
183 }
184 }
185
186 static void
187 nv50_prevalidate_vbufs(struct nv50_context *nv50)
188 {
189 struct pipe_vertex_buffer *vb;
190 struct nv04_resource *buf;
191 int i;
192 uint32_t base, size;
193
194 nv50->vbo_fifo = nv50->vbo_user = 0;
195
196 nv50_bufctx_reset(nv50, NV50_BUFCTX_VERTEX);
197
198 for (i = 0; i < nv50->num_vtxbufs; ++i) {
199 vb = &nv50->vtxbuf[i];
200 if (!vb->stride)
201 continue;
202 buf = nv04_resource(vb->buffer);
203
204 /* NOTE: user buffers with temporary storage count as mapped by GPU */
205 if (!nouveau_resource_mapped_by_gpu(vb->buffer)) {
206 if (nv50->vbo_push_hint) {
207 nv50->vbo_fifo = ~0;
208 continue;
209 } else {
210 if (buf->status & NOUVEAU_BUFFER_STATUS_USER_MEMORY) {
211 nv50->vbo_user |= 1 << i;
212 assert(vb->stride > vb->buffer_offset);
213 nv50_vbuf_range(nv50, i, &base, &size);
214 nouveau_user_buffer_upload(buf, base, size);
215 } else {
216 nouveau_buffer_migrate(&nv50->base, buf, NOUVEAU_BO_GART);
217 }
218 nv50->base.vbo_dirty = TRUE;
219 }
220 }
221 nv50_bufctx_add_resident(nv50, NV50_BUFCTX_VERTEX, buf, NOUVEAU_BO_RD);
222 nouveau_buffer_adjust_score(&nv50->base, buf, 1);
223 }
224 }
225
226 static void
227 nv50_update_user_vbufs(struct nv50_context *nv50)
228 {
229 struct nouveau_channel *chan = nv50->screen->base.channel;
230 uint32_t base, offset, size;
231 int i;
232 uint32_t written = 0;
233
234 for (i = 0; i < nv50->vertex->num_elements; ++i) {
235 struct pipe_vertex_element *ve = &nv50->vertex->element[i].pipe;
236 const int b = ve->vertex_buffer_index;
237 struct pipe_vertex_buffer *vb = &nv50->vtxbuf[b];
238 struct nv04_resource *buf = nv04_resource(vb->buffer);
239
240 if (!(nv50->vbo_user & (1 << b)))
241 continue;
242
243 if (!vb->stride) {
244 nv50_emit_vtxattr(nv50, vb, ve, i);
245 continue;
246 }
247 nv50_vbuf_range(nv50, b, &base, &size);
248
249 if (!(written & (1 << b))) {
250 written |= 1 << b;
251 nouveau_user_buffer_upload(buf, base, size);
252 }
253 offset = vb->buffer_offset + ve->src_offset;
254
255 MARK_RING (chan, 6, 4);
256 BEGIN_RING(chan, RING_3D(VERTEX_ARRAY_LIMIT_HIGH(i)), 2);
257 OUT_RESRCh(chan, buf, base + size - 1, NOUVEAU_BO_RD);
258 OUT_RESRCl(chan, buf, base + size - 1, NOUVEAU_BO_RD);
259 BEGIN_RING(chan, RING_3D(VERTEX_ARRAY_START_HIGH(i)), 2);
260 OUT_RESRCh(chan, buf, offset, NOUVEAU_BO_RD);
261 OUT_RESRCl(chan, buf, offset, NOUVEAU_BO_RD);
262 }
263 nv50->base.vbo_dirty = TRUE;
264 }
265
266 static INLINE void
267 nv50_release_user_vbufs(struct nv50_context *nv50)
268 {
269 uint32_t vbo_user = nv50->vbo_user;
270
271 while (vbo_user) {
272 int i = ffs(vbo_user) - 1;
273 vbo_user &= ~(1 << i);
274
275 nouveau_buffer_release_gpu_storage(nv04_resource(nv50->vtxbuf[i].buffer));
276 }
277 }
278
279 void
280 nv50_vertex_arrays_validate(struct nv50_context *nv50)
281 {
282 struct nouveau_channel *chan = nv50->screen->base.channel;
283 struct nv50_vertex_stateobj *vertex = nv50->vertex;
284 struct pipe_vertex_buffer *vb;
285 struct nv50_vertex_element *ve;
286 unsigned i;
287
288 if (unlikely(vertex->need_conversion)) {
289 nv50->vbo_fifo = ~0;
290 nv50->vbo_user = 0;
291 } else {
292 nv50_prevalidate_vbufs(nv50);
293 }
294
295 BEGIN_RING(chan, RING_3D(VERTEX_ARRAY_ATTRIB(0)), vertex->num_elements);
296 for (i = 0; i < vertex->num_elements; ++i) {
297 ve = &vertex->element[i];
298 vb = &nv50->vtxbuf[ve->pipe.vertex_buffer_index];
299
300 if (likely(vb->stride) || nv50->vbo_fifo) {
301 OUT_RING(chan, ve->state);
302 } else {
303 OUT_RING(chan, ve->state | NV50_3D_VERTEX_ARRAY_ATTRIB_CONST);
304 nv50->vbo_fifo &= ~(1 << i);
305 }
306 }
307
308 for (i = 0; i < vertex->num_elements; ++i) {
309 struct nv04_resource *res;
310 unsigned size, offset;
311
312 ve = &vertex->element[i];
313 vb = &nv50->vtxbuf[ve->pipe.vertex_buffer_index];
314
315 if (unlikely(ve->pipe.instance_divisor)) {
316 if (!(nv50->state.instance_elts & (1 << i))) {
317 BEGIN_RING(chan, RING_3D(VERTEX_ARRAY_PER_INSTANCE(i)), 1);
318 OUT_RING (chan, 1);
319 }
320 BEGIN_RING(chan, RING_3D(VERTEX_ARRAY_DIVISOR(i)), 1);
321 OUT_RING (chan, ve->pipe.instance_divisor);
322 } else
323 if (unlikely(nv50->state.instance_elts & (1 << i))) {
324 BEGIN_RING(chan, RING_3D(VERTEX_ARRAY_PER_INSTANCE(i)), 1);
325 OUT_RING (chan, 0);
326 }
327
328 res = nv04_resource(vb->buffer);
329
330 if (nv50->vbo_fifo || unlikely(vb->stride == 0)) {
331 if (!nv50->vbo_fifo)
332 nv50_emit_vtxattr(nv50, vb, &ve->pipe, i);
333 BEGIN_RING(chan, RING_3D(VERTEX_ARRAY_FETCH(i)), 1);
334 OUT_RING (chan, 0);
335 continue;
336 }
337
338 size = vb->buffer->width0;
339 offset = ve->pipe.src_offset + vb->buffer_offset;
340
341 MARK_RING (chan, 8, 4);
342 BEGIN_RING(chan, RING_3D(VERTEX_ARRAY_FETCH(i)), 1);
343 OUT_RING (chan, NV50_3D_VERTEX_ARRAY_FETCH_ENABLE | vb->stride);
344 BEGIN_RING(chan, RING_3D(VERTEX_ARRAY_LIMIT_HIGH(i)), 2);
345 OUT_RESRCh(chan, res, size - 1, NOUVEAU_BO_RD);
346 OUT_RESRCl(chan, res, size - 1, NOUVEAU_BO_RD);
347 BEGIN_RING(chan, RING_3D(VERTEX_ARRAY_START_HIGH(i)), 2);
348 OUT_RESRCh(chan, res, offset, NOUVEAU_BO_RD);
349 OUT_RESRCl(chan, res, offset, NOUVEAU_BO_RD);
350 }
351 for (; i < nv50->state.num_vtxelts; ++i) {
352 BEGIN_RING(chan, RING_3D(VERTEX_ARRAY_ATTRIB(i)), 1);
353 OUT_RING (chan, NV50_3D_VERTEX_ATTRIB_INACTIVE);
354 BEGIN_RING(chan, RING_3D(VERTEX_ARRAY_FETCH(i)), 1);
355 OUT_RING (chan, 0);
356 }
357
358 nv50->state.num_vtxelts = vertex->num_elements;
359 nv50->state.instance_elts = vertex->instance_elts;
360 }
361
362 #define NV50_PRIM_GL_CASE(n) \
363 case PIPE_PRIM_##n: return NV50_3D_VERTEX_BEGIN_GL_PRIMITIVE_##n
364
365 static INLINE unsigned
366 nv50_prim_gl(unsigned prim)
367 {
368 switch (prim) {
369 NV50_PRIM_GL_CASE(POINTS);
370 NV50_PRIM_GL_CASE(LINES);
371 NV50_PRIM_GL_CASE(LINE_LOOP);
372 NV50_PRIM_GL_CASE(LINE_STRIP);
373 NV50_PRIM_GL_CASE(TRIANGLES);
374 NV50_PRIM_GL_CASE(TRIANGLE_STRIP);
375 NV50_PRIM_GL_CASE(TRIANGLE_FAN);
376 NV50_PRIM_GL_CASE(QUADS);
377 NV50_PRIM_GL_CASE(QUAD_STRIP);
378 NV50_PRIM_GL_CASE(POLYGON);
379 NV50_PRIM_GL_CASE(LINES_ADJACENCY);
380 NV50_PRIM_GL_CASE(LINE_STRIP_ADJACENCY);
381 NV50_PRIM_GL_CASE(TRIANGLES_ADJACENCY);
382 NV50_PRIM_GL_CASE(TRIANGLE_STRIP_ADJACENCY);
383 default:
384 return NV50_3D_VERTEX_BEGIN_GL_PRIMITIVE_POINTS;
385 break;
386 }
387 }
388
389 static void
390 nv50_draw_vbo_flush_notify(struct nouveau_channel *chan)
391 {
392 struct nv50_context *nv50 = chan->user_private;
393
394 nouveau_fence_update(&nv50->screen->base, TRUE);
395
396 nv50_bufctx_emit_relocs(nv50);
397 }
398
399 static void
400 nv50_draw_arrays(struct nv50_context *nv50,
401 unsigned mode, unsigned start, unsigned count,
402 unsigned instance_count)
403 {
404 struct nouveau_channel *chan = nv50->screen->base.channel;
405 unsigned prim;
406
407 prim = nv50_prim_gl(mode);
408
409 while (instance_count--) {
410 BEGIN_RING(chan, RING_3D(VERTEX_BEGIN_GL), 1);
411 OUT_RING (chan, prim);
412 BEGIN_RING(chan, RING_3D(VERTEX_BUFFER_FIRST), 2);
413 OUT_RING (chan, start);
414 OUT_RING (chan, count);
415 BEGIN_RING(chan, RING_3D(VERTEX_END_GL), 1);
416 OUT_RING (chan, 0);
417
418 prim |= NV50_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT;
419 }
420 }
421
422 static void
423 nv50_draw_elements_inline_u08(struct nouveau_channel *chan, uint8_t *map,
424 unsigned start, unsigned count)
425 {
426 map += start;
427
428 if (count & 3) {
429 unsigned i;
430 BEGIN_RING_NI(chan, RING_3D(VB_ELEMENT_U32), count & 3);
431 for (i = 0; i < (count & 3); ++i)
432 OUT_RING(chan, *map++);
433 count &= ~3;
434 }
435 while (count) {
436 unsigned i, nr = MIN2(count, NV04_PFIFO_MAX_PACKET_LEN * 4) / 4;
437
438 BEGIN_RING_NI(chan, RING_3D(VB_ELEMENT_U8), nr);
439 for (i = 0; i < nr; ++i) {
440 OUT_RING(chan,
441 (map[3] << 24) | (map[2] << 16) | (map[1] << 8) | map[0]);
442 map += 4;
443 }
444 count -= nr * 4;
445 }
446 }
447
448 static void
449 nv50_draw_elements_inline_u16(struct nouveau_channel *chan, uint16_t *map,
450 unsigned start, unsigned count)
451 {
452 map += start;
453
454 if (count & 1) {
455 count &= ~1;
456 BEGIN_RING(chan, RING_3D(VB_ELEMENT_U32), 1);
457 OUT_RING (chan, *map++);
458 }
459 while (count) {
460 unsigned i, nr = MIN2(count, NV04_PFIFO_MAX_PACKET_LEN * 2) / 2;
461
462 BEGIN_RING_NI(chan, RING_3D(VB_ELEMENT_U16), nr);
463 for (i = 0; i < nr; ++i) {
464 OUT_RING(chan, (map[1] << 16) | map[0]);
465 map += 2;
466 }
467 count -= nr * 2;
468 }
469 }
470
471 static void
472 nv50_draw_elements_inline_u32(struct nouveau_channel *chan, uint32_t *map,
473 unsigned start, unsigned count)
474 {
475 map += start;
476
477 while (count) {
478 const unsigned nr = MIN2(count, NV04_PFIFO_MAX_PACKET_LEN);
479
480 BEGIN_RING_NI(chan, RING_3D(VB_ELEMENT_U32), nr);
481 OUT_RINGp (chan, map, nr);
482
483 map += nr;
484 count -= nr;
485 }
486 }
487
488 static void
489 nv50_draw_elements_inline_u32_short(struct nouveau_channel *chan, uint32_t *map,
490 unsigned start, unsigned count)
491 {
492 map += start;
493
494 if (count & 1) {
495 count--;
496 BEGIN_RING(chan, RING_3D(VB_ELEMENT_U32), 1);
497 OUT_RING (chan, *map++);
498 }
499 while (count) {
500 unsigned i, nr = MIN2(count, NV04_PFIFO_MAX_PACKET_LEN * 2) / 2;
501
502 BEGIN_RING_NI(chan, RING_3D(VB_ELEMENT_U16), nr);
503 for (i = 0; i < nr; ++i) {
504 OUT_RING(chan, (map[1] << 16) | map[0]);
505 map += 2;
506 }
507 count -= nr * 2;
508 }
509 }
510
511 static void
512 nv50_draw_elements(struct nv50_context *nv50, boolean shorten,
513 unsigned mode, unsigned start, unsigned count,
514 unsigned instance_count, int32_t index_bias)
515 {
516 struct nouveau_channel *chan = nv50->screen->base.channel;
517 void *data;
518 unsigned prim;
519 const unsigned index_size = nv50->idxbuf.index_size;
520
521 prim = nv50_prim_gl(mode);
522
523 if (index_bias != nv50->state.index_bias) {
524 BEGIN_RING(chan, RING_3D(VB_ELEMENT_BASE), 1);
525 OUT_RING (chan, index_bias);
526 nv50->state.index_bias = index_bias;
527 }
528
529 if (nouveau_resource_mapped_by_gpu(nv50->idxbuf.buffer)) {
530 struct nv04_resource *res = nv04_resource(nv50->idxbuf.buffer);
531
532 start += nv50->idxbuf.offset >> (index_size >> 1);
533
534 nouveau_buffer_adjust_score(&nv50->base, res, 1);
535
536 while (instance_count--) {
537 BEGIN_RING(chan, RING_3D(VERTEX_BEGIN_GL), 1);
538 OUT_RING (chan, mode);
539
540 switch (index_size) {
541 case 4:
542 {
543 WAIT_RING (chan, 2);
544 BEGIN_RING(chan, RING_3D(VB_ELEMENT_U32) | 0x30000, 0);
545 OUT_RING (chan, count);
546 nouveau_pushbuf_submit(chan, res->bo, res->offset + start * 4,
547 count * 4);
548 }
549 break;
550 case 2:
551 {
552 unsigned pb_start = (start & ~1);
553 unsigned pb_words = (((start + count + 1) & ~1) - pb_start) >> 1;
554
555 BEGIN_RING(chan, RING_3D(VB_ELEMENT_U16_SETUP), 1);
556 OUT_RING (chan, (start << 31) | count);
557 WAIT_RING (chan, 2);
558 BEGIN_RING(chan, RING_3D(VB_ELEMENT_U16) | 0x30000, 0);
559 OUT_RING (chan, pb_words);
560 nouveau_pushbuf_submit(chan, res->bo, res->offset + pb_start * 2,
561 pb_words * 4);
562 BEGIN_RING(chan, RING_3D(VB_ELEMENT_U16_SETUP), 1);
563 OUT_RING (chan, 0);
564 break;
565 }
566 case 1:
567 {
568 unsigned pb_start = (start & ~3);
569 unsigned pb_words = (((start + count + 3) & ~3) - pb_start) >> 1;
570
571 BEGIN_RING(chan, RING_3D(VB_ELEMENT_U8_SETUP), 1);
572 OUT_RING (chan, (start << 30) | count);
573 WAIT_RING (chan, 2);
574 BEGIN_RING(chan, RING_3D(VB_ELEMENT_U8) | 0x30000, 0);
575 OUT_RING (chan, pb_words);
576 nouveau_pushbuf_submit(chan, res->bo, res->offset + pb_start,
577 pb_words * 4);
578 BEGIN_RING(chan, RING_3D(VB_ELEMENT_U8_SETUP), 1);
579 OUT_RING (chan, 0);
580 break;
581 }
582 default:
583 assert(0);
584 return;
585 }
586 BEGIN_RING(chan, RING_3D(VERTEX_END_GL), 1);
587 OUT_RING (chan, 0);
588
589 nv50_resource_fence(res, NOUVEAU_BO_RD);
590
591 mode |= NV50_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT;
592 }
593 } else {
594 data = nouveau_resource_map_offset(&nv50->base,
595 nv04_resource(nv50->idxbuf.buffer),
596 nv50->idxbuf.offset, NOUVEAU_BO_RD);
597 if (!data)
598 return;
599
600 while (instance_count--) {
601 BEGIN_RING(chan, RING_3D(VERTEX_BEGIN_GL), 1);
602 OUT_RING (chan, prim);
603 switch (index_size) {
604 case 1:
605 nv50_draw_elements_inline_u08(chan, data, start, count);
606 break;
607 case 2:
608 nv50_draw_elements_inline_u16(chan, data, start, count);
609 break;
610 case 4:
611 if (shorten)
612 nv50_draw_elements_inline_u32_short(chan, data, start, count);
613 else
614 nv50_draw_elements_inline_u32(chan, data, start, count);
615 break;
616 default:
617 assert(0);
618 return;
619 }
620 BEGIN_RING(chan, RING_3D(VERTEX_END_GL), 1);
621 OUT_RING (chan, 0);
622
623 prim |= NV50_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT;
624 }
625 }
626 }
627
628 void
629 nv50_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
630 {
631 struct nv50_context *nv50 = nv50_context(pipe);
632 struct nouveau_channel *chan = nv50->screen->base.channel;
633
634 /* For picking only a few vertices from a large user buffer, push is better,
635 * if index count is larger and we expect repeated vertices, suggest upload.
636 */
637 nv50->vbo_push_hint = /* the 64 is heuristic */
638 !(info->indexed &&
639 ((info->max_index - info->min_index + 64) < info->count));
640
641 nv50->vbo_min_index = info->min_index;
642 nv50->vbo_max_index = info->max_index;
643
644 if (nv50->vbo_push_hint != !!nv50->vbo_fifo)
645 nv50->dirty |= NV50_NEW_ARRAYS;
646
647 if (nv50->vbo_user && !(nv50->dirty & (NV50_NEW_VERTEX | NV50_NEW_ARRAYS)))
648 nv50_update_user_vbufs(nv50);
649
650 nv50_state_validate(nv50);
651
652 chan->flush_notify = nv50_draw_vbo_flush_notify;
653 chan->user_private = nv50;
654
655 if (nv50->vbo_fifo) {
656 nv50_push_vbo(nv50, info);
657 chan->flush_notify = nv50_default_flush_notify;
658 return;
659 }
660
661 if (nv50->state.instance_base != info->start_instance) {
662 nv50->state.instance_base = info->start_instance;
663 /* NOTE: this does not affect the shader input, should it ? */
664 BEGIN_RING(chan, RING_3D(VB_INSTANCE_BASE), 1);
665 OUT_RING (chan, info->start_instance);
666 }
667
668 if (nv50->base.vbo_dirty) {
669 BEGIN_RING(chan, RING_3D(VERTEX_ARRAY_FLUSH), 1);
670 OUT_RING (chan, 0);
671 nv50->base.vbo_dirty = FALSE;
672 }
673
674 if (!info->indexed) {
675 nv50_draw_arrays(nv50,
676 info->mode, info->start, info->count,
677 info->instance_count);
678 } else {
679 boolean shorten = info->max_index <= 65535;
680
681 assert(nv50->idxbuf.buffer);
682
683 if (info->primitive_restart != nv50->state.prim_restart) {
684 if (info->primitive_restart) {
685 BEGIN_RING(chan, RING_3D(PRIM_RESTART_ENABLE), 2);
686 OUT_RING (chan, 1);
687 OUT_RING (chan, info->restart_index);
688
689 if (info->restart_index > 65535)
690 shorten = FALSE;
691 } else {
692 BEGIN_RING(chan, RING_3D(PRIM_RESTART_ENABLE), 1);
693 OUT_RING (chan, 0);
694 }
695 nv50->state.prim_restart = info->primitive_restart;
696 } else
697 if (info->primitive_restart) {
698 BEGIN_RING(chan, RING_3D(PRIM_RESTART_INDEX), 1);
699 OUT_RING (chan, info->restart_index);
700
701 if (info->restart_index > 65535)
702 shorten = FALSE;
703 }
704
705 nv50_draw_elements(nv50, shorten,
706 info->mode, info->start, info->count,
707 info->instance_count, info->index_bias);
708 }
709 chan->flush_notify = nv50_default_flush_notify;
710
711 nv50_release_user_vbufs(nv50);
712 }
Mirror of AROS' svn.