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Merge remote-tracking branch 'origin/master' into pipe-video
[mesa.git] / src / gallium / auxiliary / util / u_vbuf_mgr.c
1 /**************************************************************************
2 *
3 * Copyright 2011 Marek Olšák <maraeo@gmail.com>
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28 #include "util/u_vbuf_mgr.h"
29
30 #include "util/u_format.h"
31 #include "util/u_inlines.h"
32 #include "util/u_memory.h"
33 #include "util/u_upload_mgr.h"
34 #include "translate/translate.h"
35 #include "translate/translate_cache.h"
36
37 /* Hardware vertex fetcher limitations can be described by this structure. */
38 struct u_vbuf_caps {
39 /* Vertex format CAPs. */
40 /* TRUE if hardware supports it. */
41 unsigned format_fixed32:1; /* PIPE_FORMAT_*32*_FIXED */
42 unsigned format_float16:1; /* PIPE_FORMAT_*16*_FLOAT */
43 unsigned format_float64:1; /* PIPE_FORMAT_*64*_FLOAT */
44 unsigned format_norm32:1; /* PIPE_FORMAT_*32*NORM */
45 unsigned format_scaled32:1; /* PIPE_FORMAT_*32*SCALED */
46
47 /* Whether vertex fetches don't have to be dword-aligned. */
48 /* TRUE if hardware supports it. */
49 unsigned fetch_dword_unaligned:1;
50 };
51
52 struct u_vbuf_mgr_elements {
53 unsigned count;
54 struct pipe_vertex_element ve[PIPE_MAX_ATTRIBS];
55
56 /* If (velem[i].src_format != real_format[i]), the vertex buffer
57 * referenced by the vertex element cannot be used for rendering and
58 * its vertex data must be translated to real_format[i]. */
59 enum pipe_format native_format[PIPE_MAX_ATTRIBS];
60 unsigned native_format_size[PIPE_MAX_ATTRIBS];
61
62 /* This might mean two things:
63 * - src_format != native_format, as discussed above.
64 * - src_offset % 4 != 0 (if the caps don't allow such an offset). */
65 boolean incompatible_layout;
66 };
67
68 struct u_vbuf_mgr_priv {
69 struct u_vbuf_mgr b;
70 struct u_vbuf_caps caps;
71 struct pipe_context *pipe;
72
73 struct translate_cache *translate_cache;
74 unsigned translate_vb_slot;
75
76 struct u_vbuf_mgr_elements *ve;
77 void *saved_ve, *fallback_ve;
78 boolean ve_binding_lock;
79
80 boolean any_user_vbs;
81 boolean incompatible_vb_layout;
82 };
83
84 static void u_vbuf_mgr_init_format_caps(struct u_vbuf_mgr_priv *mgr)
85 {
86 struct pipe_screen *screen = mgr->pipe->screen;
87
88 mgr->caps.format_fixed32 =
89 screen->is_format_supported(screen, PIPE_FORMAT_R32_FIXED, PIPE_BUFFER,
90 0, PIPE_BIND_VERTEX_BUFFER);
91
92 mgr->caps.format_float16 =
93 screen->is_format_supported(screen, PIPE_FORMAT_R16_FLOAT, PIPE_BUFFER,
94 0, PIPE_BIND_VERTEX_BUFFER);
95
96 mgr->caps.format_float64 =
97 screen->is_format_supported(screen, PIPE_FORMAT_R64_FLOAT, PIPE_BUFFER,
98 0, PIPE_BIND_VERTEX_BUFFER);
99
100 mgr->caps.format_norm32 =
101 screen->is_format_supported(screen, PIPE_FORMAT_R32_UNORM, PIPE_BUFFER,
102 0, PIPE_BIND_VERTEX_BUFFER) &&
103 screen->is_format_supported(screen, PIPE_FORMAT_R32_SNORM, PIPE_BUFFER,
104 0, PIPE_BIND_VERTEX_BUFFER);
105
106 mgr->caps.format_scaled32 =
107 screen->is_format_supported(screen, PIPE_FORMAT_R32_USCALED, PIPE_BUFFER,
108 0, PIPE_BIND_VERTEX_BUFFER) &&
109 screen->is_format_supported(screen, PIPE_FORMAT_R32_SSCALED, PIPE_BUFFER,
110 0, PIPE_BIND_VERTEX_BUFFER);
111 }
112
113 struct u_vbuf_mgr *
114 u_vbuf_mgr_create(struct pipe_context *pipe,
115 unsigned upload_buffer_size,
116 unsigned upload_buffer_alignment,
117 unsigned upload_buffer_bind,
118 enum u_fetch_alignment fetch_alignment)
119 {
120 struct u_vbuf_mgr_priv *mgr = CALLOC_STRUCT(u_vbuf_mgr_priv);
121
122 mgr->pipe = pipe;
123 mgr->translate_cache = translate_cache_create();
124
125 mgr->b.uploader = u_upload_create(pipe, upload_buffer_size,
126 upload_buffer_alignment,
127 upload_buffer_bind);
128
129 mgr->caps.fetch_dword_unaligned =
130 fetch_alignment == U_VERTEX_FETCH_BYTE_ALIGNED;
131
132 u_vbuf_mgr_init_format_caps(mgr);
133
134 return &mgr->b;
135 }
136
137 void u_vbuf_mgr_destroy(struct u_vbuf_mgr *mgrb)
138 {
139 struct u_vbuf_mgr_priv *mgr = (struct u_vbuf_mgr_priv*)mgrb;
140 unsigned i;
141
142 for (i = 0; i < mgr->b.nr_real_vertex_buffers; i++) {
143 pipe_resource_reference(&mgr->b.vertex_buffer[i].buffer, NULL);
144 pipe_resource_reference(&mgr->b.real_vertex_buffer[i], NULL);
145 }
146
147 translate_cache_destroy(mgr->translate_cache);
148 u_upload_destroy(mgr->b.uploader);
149 FREE(mgr);
150 }
151
152
153 static void u_vbuf_translate_begin(struct u_vbuf_mgr_priv *mgr,
154 int min_index, int max_index,
155 boolean *upload_flushed)
156 {
157 struct translate_key key;
158 struct translate_element *te;
159 unsigned tr_elem_index[PIPE_MAX_ATTRIBS];
160 struct translate *tr;
161 boolean vb_translated[PIPE_MAX_ATTRIBS] = {0};
162 uint8_t *vb_map[PIPE_MAX_ATTRIBS] = {0}, *out_map;
163 struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS] = {0};
164 struct pipe_resource *out_buffer = NULL;
165 unsigned i, num_verts, out_offset;
166 struct pipe_vertex_element new_velems[PIPE_MAX_ATTRIBS];
167
168 memset(&key, 0, sizeof(key));
169 memset(tr_elem_index, 0xff, sizeof(tr_elem_index));
170
171 /* Initialize the translate key, i.e. the recipe how vertices should be
172 * translated. */
173 memset(&key, 0, sizeof key);
174 for (i = 0; i < mgr->ve->count; i++) {
175 struct pipe_vertex_buffer *vb =
176 &mgr->b.vertex_buffer[mgr->ve->ve[i].vertex_buffer_index];
177 enum pipe_format output_format = mgr->ve->native_format[i];
178 unsigned output_format_size = mgr->ve->native_format_size[i];
179
180 /* Check for support. */
181 if (mgr->ve->ve[i].src_format == mgr->ve->native_format[i] &&
182 (mgr->caps.fetch_dword_unaligned ||
183 (vb->buffer_offset % 4 == 0 &&
184 vb->stride % 4 == 0 &&
185 mgr->ve->ve[i].src_offset % 4 == 0))) {
186 continue;
187 }
188
189 /* Workaround for translate: output floats instead of halfs. */
190 switch (output_format) {
191 case PIPE_FORMAT_R16_FLOAT:
192 output_format = PIPE_FORMAT_R32_FLOAT;
193 output_format_size = 4;
194 break;
195 case PIPE_FORMAT_R16G16_FLOAT:
196 output_format = PIPE_FORMAT_R32G32_FLOAT;
197 output_format_size = 8;
198 break;
199 case PIPE_FORMAT_R16G16B16_FLOAT:
200 output_format = PIPE_FORMAT_R32G32B32_FLOAT;
201 output_format_size = 12;
202 break;
203 case PIPE_FORMAT_R16G16B16A16_FLOAT:
204 output_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
205 output_format_size = 16;
206 break;
207 default:;
208 }
209
210 /* Add this vertex element. */
211 te = &key.element[key.nr_elements];
212 /*te->type;
213 te->instance_divisor;*/
214 te->input_buffer = mgr->ve->ve[i].vertex_buffer_index;
215 te->input_format = mgr->ve->ve[i].src_format;
216 te->input_offset = mgr->ve->ve[i].src_offset;
217 te->output_format = output_format;
218 te->output_offset = key.output_stride;
219
220 key.output_stride += output_format_size;
221 vb_translated[mgr->ve->ve[i].vertex_buffer_index] = TRUE;
222 tr_elem_index[i] = key.nr_elements;
223 key.nr_elements++;
224 }
225
226 /* Get a translate object. */
227 tr = translate_cache_find(mgr->translate_cache, &key);
228
229 /* Map buffers we want to translate. */
230 for (i = 0; i < mgr->b.nr_vertex_buffers; i++) {
231 if (vb_translated[i]) {
232 struct pipe_vertex_buffer *vb = &mgr->b.vertex_buffer[i];
233
234 vb_map[i] = pipe_buffer_map(mgr->pipe, vb->buffer,
235 PIPE_TRANSFER_READ, &vb_transfer[i]);
236
237 tr->set_buffer(tr, i,
238 vb_map[i] + vb->buffer_offset + vb->stride * min_index,
239 vb->stride, ~0);
240 }
241 }
242
243 /* Create and map the output buffer. */
244 num_verts = max_index + 1 - min_index;
245
246 u_upload_alloc(mgr->b.uploader,
247 key.output_stride * min_index,
248 key.output_stride * num_verts,
249 &out_offset, &out_buffer, upload_flushed,
250 (void**)&out_map);
251
252 out_offset -= key.output_stride * min_index;
253
254 /* Translate. */
255 tr->run(tr, 0, num_verts, 0, out_map);
256
257 /* Unmap all buffers. */
258 for (i = 0; i < mgr->b.nr_vertex_buffers; i++) {
259 if (vb_translated[i]) {
260 pipe_buffer_unmap(mgr->pipe, vb_transfer[i]);
261 }
262 }
263
264 /* Setup the new vertex buffer in the first free slot. */
265 mgr->translate_vb_slot = ~0;
266 for (i = 0; i < PIPE_MAX_ATTRIBS; i++) {
267 if (!mgr->b.vertex_buffer[i].buffer) {
268 mgr->translate_vb_slot = i;
269
270 if (i >= mgr->b.nr_vertex_buffers) {
271 mgr->b.nr_real_vertex_buffers = i+1;
272 }
273 break;
274 }
275 }
276
277 if (mgr->translate_vb_slot != ~0) {
278 /* Setup the new vertex buffer. */
279 pipe_resource_reference(
280 &mgr->b.real_vertex_buffer[mgr->translate_vb_slot], out_buffer);
281 mgr->b.vertex_buffer[mgr->translate_vb_slot].buffer_offset = out_offset;
282 mgr->b.vertex_buffer[mgr->translate_vb_slot].stride = key.output_stride;
283
284 /* Setup new vertex elements. */
285 for (i = 0; i < mgr->ve->count; i++) {
286 if (tr_elem_index[i] < key.nr_elements) {
287 te = &key.element[tr_elem_index[i]];
288 new_velems[i].instance_divisor = mgr->ve->ve[i].instance_divisor;
289 new_velems[i].src_format = te->output_format;
290 new_velems[i].src_offset = te->output_offset;
291 new_velems[i].vertex_buffer_index = mgr->translate_vb_slot;
292 } else {
293 memcpy(&new_velems[i], &mgr->ve->ve[i],
294 sizeof(struct pipe_vertex_element));
295 }
296 }
297
298 mgr->fallback_ve =
299 mgr->pipe->create_vertex_elements_state(mgr->pipe, mgr->ve->count,
300 new_velems);
301
302 /* Preserve saved_ve. */
303 mgr->ve_binding_lock = TRUE;
304 mgr->pipe->bind_vertex_elements_state(mgr->pipe, mgr->fallback_ve);
305 mgr->ve_binding_lock = FALSE;
306 }
307
308 pipe_resource_reference(&out_buffer, NULL);
309 }
310
311 static void u_vbuf_translate_end(struct u_vbuf_mgr_priv *mgr)
312 {
313 if (mgr->fallback_ve == NULL) {
314 return;
315 }
316
317 /* Restore vertex elements. */
318 /* Note that saved_ve will be overwritten in bind_vertex_elements_state. */
319 mgr->pipe->bind_vertex_elements_state(mgr->pipe, mgr->saved_ve);
320 mgr->pipe->delete_vertex_elements_state(mgr->pipe, mgr->fallback_ve);
321 mgr->fallback_ve = NULL;
322
323 /* Delete the now-unused VBO. */
324 pipe_resource_reference(&mgr->b.real_vertex_buffer[mgr->translate_vb_slot],
325 NULL);
326 mgr->b.nr_real_vertex_buffers = mgr->b.nr_vertex_buffers;
327 }
328
329 #define FORMAT_REPLACE(what, withwhat) \
330 case PIPE_FORMAT_##what: format = PIPE_FORMAT_##withwhat; break
331
332 struct u_vbuf_mgr_elements *
333 u_vbuf_mgr_create_vertex_elements(struct u_vbuf_mgr *mgrb,
334 unsigned count,
335 const struct pipe_vertex_element *attribs,
336 struct pipe_vertex_element *native_attribs)
337 {
338 struct u_vbuf_mgr_priv *mgr = (struct u_vbuf_mgr_priv*)mgrb;
339 unsigned i;
340 struct u_vbuf_mgr_elements *ve = CALLOC_STRUCT(u_vbuf_mgr_elements);
341
342 ve->count = count;
343
344 if (!count) {
345 return ve;
346 }
347
348 memcpy(ve->ve, attribs, sizeof(struct pipe_vertex_element) * count);
349 memcpy(native_attribs, attribs, sizeof(struct pipe_vertex_element) * count);
350
351 /* Set the best native format in case the original format is not
352 * supported. */
353 for (i = 0; i < count; i++) {
354 enum pipe_format format = ve->ve[i].src_format;
355
356 /* Choose a native format.
357 * For now we don't care about the alignment, that's going to
358 * be sorted out later. */
359 if (!mgr->caps.format_fixed32) {
360 switch (format) {
361 FORMAT_REPLACE(R32_FIXED, R32_FLOAT);
362 FORMAT_REPLACE(R32G32_FIXED, R32G32_FLOAT);
363 FORMAT_REPLACE(R32G32B32_FIXED, R32G32B32_FLOAT);
364 FORMAT_REPLACE(R32G32B32A32_FIXED, R32G32B32A32_FLOAT);
365 default:;
366 }
367 }
368 if (!mgr->caps.format_float16) {
369 switch (format) {
370 FORMAT_REPLACE(R16_FLOAT, R32_FLOAT);
371 FORMAT_REPLACE(R16G16_FLOAT, R32G32_FLOAT);
372 FORMAT_REPLACE(R16G16B16_FLOAT, R32G32B32_FLOAT);
373 FORMAT_REPLACE(R16G16B16A16_FLOAT, R32G32B32A32_FLOAT);
374 default:;
375 }
376 }
377 if (!mgr->caps.format_float64) {
378 switch (format) {
379 FORMAT_REPLACE(R64_FLOAT, R32_FLOAT);
380 FORMAT_REPLACE(R64G64_FLOAT, R32G32_FLOAT);
381 FORMAT_REPLACE(R64G64B64_FLOAT, R32G32B32_FLOAT);
382 FORMAT_REPLACE(R64G64B64A64_FLOAT, R32G32B32A32_FLOAT);
383 default:;
384 }
385 }
386 if (!mgr->caps.format_norm32) {
387 switch (format) {
388 FORMAT_REPLACE(R32_UNORM, R32_FLOAT);
389 FORMAT_REPLACE(R32G32_UNORM, R32G32_FLOAT);
390 FORMAT_REPLACE(R32G32B32_UNORM, R32G32B32_FLOAT);
391 FORMAT_REPLACE(R32G32B32A32_UNORM, R32G32B32A32_FLOAT);
392 FORMAT_REPLACE(R32_SNORM, R32_FLOAT);
393 FORMAT_REPLACE(R32G32_SNORM, R32G32_FLOAT);
394 FORMAT_REPLACE(R32G32B32_SNORM, R32G32B32_FLOAT);
395 FORMAT_REPLACE(R32G32B32A32_SNORM, R32G32B32A32_FLOAT);
396 default:;
397 }
398 }
399 if (!mgr->caps.format_scaled32) {
400 switch (format) {
401 FORMAT_REPLACE(R32_USCALED, R32_FLOAT);
402 FORMAT_REPLACE(R32G32_USCALED, R32G32_FLOAT);
403 FORMAT_REPLACE(R32G32B32_USCALED, R32G32B32_FLOAT);
404 FORMAT_REPLACE(R32G32B32A32_USCALED,R32G32B32A32_FLOAT);
405 FORMAT_REPLACE(R32_SSCALED, R32_FLOAT);
406 FORMAT_REPLACE(R32G32_SSCALED, R32G32_FLOAT);
407 FORMAT_REPLACE(R32G32B32_SSCALED, R32G32B32_FLOAT);
408 FORMAT_REPLACE(R32G32B32A32_SSCALED,R32G32B32A32_FLOAT);
409 default:;
410 }
411 }
412
413 native_attribs[i].src_format = format;
414 ve->native_format[i] = format;
415 ve->native_format_size[i] =
416 util_format_get_blocksize(ve->native_format[i]);
417
418 ve->incompatible_layout =
419 ve->incompatible_layout ||
420 ve->ve[i].src_format != ve->native_format[i] ||
421 (!mgr->caps.fetch_dword_unaligned && ve->ve[i].src_offset % 4 != 0);
422 }
423
424 /* Align the formats to the size of DWORD if needed. */
425 if (!mgr->caps.fetch_dword_unaligned) {
426 for (i = 0; i < count; i++) {
427 ve->native_format_size[i] = align(ve->native_format_size[i], 4);
428 }
429 }
430
431 return ve;
432 }
433
434 void u_vbuf_mgr_bind_vertex_elements(struct u_vbuf_mgr *mgrb,
435 void *cso,
436 struct u_vbuf_mgr_elements *ve)
437 {
438 struct u_vbuf_mgr_priv *mgr = (struct u_vbuf_mgr_priv*)mgrb;
439
440 if (!cso) {
441 return;
442 }
443
444 if (!mgr->ve_binding_lock) {
445 mgr->saved_ve = cso;
446 mgr->ve = ve;
447 }
448 }
449
450 void u_vbuf_mgr_destroy_vertex_elements(struct u_vbuf_mgr *mgr,
451 struct u_vbuf_mgr_elements *ve)
452 {
453 FREE(ve);
454 }
455
456 void u_vbuf_mgr_set_vertex_buffers(struct u_vbuf_mgr *mgrb,
457 unsigned count,
458 const struct pipe_vertex_buffer *bufs)
459 {
460 struct u_vbuf_mgr_priv *mgr = (struct u_vbuf_mgr_priv*)mgrb;
461 unsigned i;
462
463 mgr->b.max_index = ~0;
464 mgr->any_user_vbs = FALSE;
465 mgr->incompatible_vb_layout = FALSE;
466
467 if (!mgr->caps.fetch_dword_unaligned) {
468 /* Check if the strides and offsets are aligned to the size of DWORD. */
469 for (i = 0; i < count; i++) {
470 if (bufs[i].buffer) {
471 if (bufs[i].stride % 4 != 0 ||
472 bufs[i].buffer_offset % 4 != 0) {
473 mgr->incompatible_vb_layout = TRUE;
474 break;
475 }
476 }
477 }
478 }
479
480 for (i = 0; i < count; i++) {
481 const struct pipe_vertex_buffer *vb = &bufs[i];
482
483 pipe_resource_reference(&mgr->b.vertex_buffer[i].buffer, vb->buffer);
484 pipe_resource_reference(&mgr->b.real_vertex_buffer[i], NULL);
485
486 if (u_vbuf_resource(vb->buffer)->user_ptr) {
487 mgr->any_user_vbs = TRUE;
488 continue;
489 }
490
491 pipe_resource_reference(&mgr->b.real_vertex_buffer[i], vb->buffer);
492
493 /* The stride of zero means we will be fetching only the first
494 * vertex, so don't care about max_index. */
495 if (!vb->stride) {
496 continue;
497 }
498
499 /* Update the maximum index. */
500 mgr->b.max_index =
501 MIN2(mgr->b.max_index,
502 (vb->buffer->width0 - vb->buffer_offset) / vb->stride - 1);
503 }
504
505 for (; i < mgr->b.nr_real_vertex_buffers; i++) {
506 pipe_resource_reference(&mgr->b.vertex_buffer[i].buffer, NULL);
507 pipe_resource_reference(&mgr->b.real_vertex_buffer[i], NULL);
508 }
509
510 memcpy(mgr->b.vertex_buffer, bufs,
511 sizeof(struct pipe_vertex_buffer) * count);
512
513 mgr->b.nr_vertex_buffers = count;
514 mgr->b.nr_real_vertex_buffers = count;
515 }
516
517 static void u_vbuf_upload_buffers(struct u_vbuf_mgr_priv *mgr,
518 int min_index, int max_index,
519 unsigned instance_count,
520 boolean *upload_flushed)
521 {
522 int i, nr = mgr->ve->count;
523 unsigned count = max_index + 1 - min_index;
524 boolean uploaded[PIPE_MAX_ATTRIBS] = {0};
525
526 for (i = 0; i < nr; i++) {
527 unsigned index = mgr->ve->ve[i].vertex_buffer_index;
528 struct pipe_vertex_buffer *vb = &mgr->b.vertex_buffer[index];
529
530 if (vb->buffer &&
531 u_vbuf_resource(vb->buffer)->user_ptr &&
532 !uploaded[index]) {
533 unsigned first, size;
534 boolean flushed;
535 unsigned instance_div = mgr->ve->ve[i].instance_divisor;
536
537 if (instance_div) {
538 first = 0;
539 size = vb->stride *
540 ((instance_count + instance_div - 1) / instance_div);
541 } else if (vb->stride) {
542 first = vb->stride * min_index;
543 size = vb->stride * count;
544 } else {
545 first = 0;
546 size = mgr->ve->native_format_size[i];
547 }
548
549 u_upload_data(mgr->b.uploader, first, size,
550 u_vbuf_resource(vb->buffer)->user_ptr + first,
551 &vb->buffer_offset,
552 &mgr->b.real_vertex_buffer[index],
553 &flushed);
554
555 vb->buffer_offset -= first;
556
557 uploaded[index] = TRUE;
558 *upload_flushed = *upload_flushed || flushed;
559 } else {
560 assert(mgr->b.real_vertex_buffer[index]);
561 }
562 }
563 }
564
565 void u_vbuf_mgr_draw_begin(struct u_vbuf_mgr *mgrb,
566 const struct pipe_draw_info *info,
567 boolean *buffers_updated,
568 boolean *uploader_flushed)
569 {
570 struct u_vbuf_mgr_priv *mgr = (struct u_vbuf_mgr_priv*)mgrb;
571 boolean bufs_updated = FALSE, upload_flushed = FALSE;
572 int min_index, max_index;
573
574 min_index = info->min_index - info->index_bias;
575 if (info->max_index == ~0) {
576 max_index = mgr->b.max_index;
577 } else {
578 max_index = MIN2(info->max_index - info->index_bias, mgr->b.max_index);
579 }
580
581 /* Translate vertices with non-native layouts or formats. */
582 if (mgr->incompatible_vb_layout || mgr->ve->incompatible_layout) {
583 u_vbuf_translate_begin(mgr, min_index, max_index, &upload_flushed);
584
585 if (mgr->fallback_ve) {
586 bufs_updated = TRUE;
587 }
588 }
589
590 /* Upload user buffers. */
591 if (mgr->any_user_vbs) {
592 u_vbuf_upload_buffers(mgr, min_index, max_index, info->instance_count,
593 &upload_flushed);
594 bufs_updated = TRUE;
595 }
596
597 /* Set the return values. */
598 if (buffers_updated) {
599 *buffers_updated = bufs_updated;
600 }
601 if (uploader_flushed) {
602 *uploader_flushed = upload_flushed;
603 }
604 }
605
606 void u_vbuf_mgr_draw_end(struct u_vbuf_mgr *mgrb)
607 {
608 struct u_vbuf_mgr_priv *mgr = (struct u_vbuf_mgr_priv*)mgrb;
609
610 if (mgr->fallback_ve) {
611 u_vbuf_translate_end(mgr);
612 }
613 }