summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/nouveau/nv50/nv50_transfer.c
blob: 8209f1f1e826edd8222123b0b5ac3d2e50bf66aa (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436

#include "util/u_format.h"

#include "nv50/nv50_context.h"

#include "nv50/g80_defs.xml.h"

struct nv50_transfer {
   struct pipe_transfer base;
   struct nv50_m2mf_rect rect[2];
   uint32_t nblocksx;
   uint32_t nblocksy;
};

void
nv50_m2mf_rect_setup(struct nv50_m2mf_rect *rect,
                     struct pipe_resource *restrict res, unsigned l,
                     unsigned x, unsigned y, unsigned z)
{
   struct nv50_miptree *mt = nv50_miptree(res);
   const unsigned w = u_minify(res->width0, l);
   const unsigned h = u_minify(res->height0, l);

   rect->bo = mt->base.bo;
   rect->domain = mt->base.domain;
   rect->base = mt->level[l].offset;
   if (mt->base.bo->offset != mt->base.address)
      rect->base += mt->base.address - mt->base.bo->offset;
   rect->pitch = mt->level[l].pitch;
   if (util_format_is_plain(res->format)) {
      rect->width = w << mt->ms_x;
      rect->height = h << mt->ms_y;
      rect->x = x << mt->ms_x;
      rect->y = y << mt->ms_y;
   } else {
      rect->width = util_format_get_nblocksx(res->format, w);
      rect->height = util_format_get_nblocksy(res->format, h);
      rect->x = util_format_get_nblocksx(res->format, x);
      rect->y = util_format_get_nblocksy(res->format, y);
   }
   rect->tile_mode = mt->level[l].tile_mode;
   rect->cpp = util_format_get_blocksize(res->format);

   if (mt->layout_3d) {
      rect->z = z;
      rect->depth = u_minify(res->depth0, l);
   } else {
      rect->base += z * mt->layer_stride;
      rect->z = 0;
      rect->depth = 1;
   }
}

void
nv50_m2mf_transfer_rect(struct nv50_context *nv50,
                        const struct nv50_m2mf_rect *dst,
                        const struct nv50_m2mf_rect *src,
                        uint32_t nblocksx, uint32_t nblocksy)
{
   struct nouveau_pushbuf *push = nv50->base.pushbuf;
   struct nouveau_bufctx *bctx = nv50->bufctx;
   const int cpp = dst->cpp;
   uint32_t src_ofst = src->base;
   uint32_t dst_ofst = dst->base;
   uint32_t height = nblocksy;
   uint32_t sy = src->y;
   uint32_t dy = dst->y;

   assert(dst->cpp == src->cpp);

   nouveau_bufctx_refn(bctx, 0, src->bo, src->domain | NOUVEAU_BO_RD);
   nouveau_bufctx_refn(bctx, 0, dst->bo, dst->domain | NOUVEAU_BO_WR);
   nouveau_pushbuf_bufctx(push, bctx);
   nouveau_pushbuf_validate(push);

   if (nouveau_bo_memtype(src->bo)) {
      BEGIN_NV04(push, NV50_M2MF(LINEAR_IN), 6);
      PUSH_DATA (push, 0);
      PUSH_DATA (push, src->tile_mode);
      PUSH_DATA (push, src->width * cpp);
      PUSH_DATA (push, src->height);
      PUSH_DATA (push, src->depth);
      PUSH_DATA (push, src->z);
   } else {
      src_ofst += src->y * src->pitch + src->x * cpp;

      BEGIN_NV04(push, NV50_M2MF(LINEAR_IN), 1);
      PUSH_DATA (push, 1);
      BEGIN_NV04(push, SUBC_M2MF(NV03_M2MF_PITCH_IN), 1);
      PUSH_DATA (push, src->pitch);
   }

   if (nouveau_bo_memtype(dst->bo)) {
      BEGIN_NV04(push, NV50_M2MF(LINEAR_OUT), 6);
      PUSH_DATA (push, 0);
      PUSH_DATA (push, dst->tile_mode);
      PUSH_DATA (push, dst->width * cpp);
      PUSH_DATA (push, dst->height);
      PUSH_DATA (push, dst->depth);
      PUSH_DATA (push, dst->z);
   } else {
      dst_ofst += dst->y * dst->pitch + dst->x * cpp;

      BEGIN_NV04(push, NV50_M2MF(LINEAR_OUT), 1);
      PUSH_DATA (push, 1);
      BEGIN_NV04(push, SUBC_M2MF(NV03_M2MF_PITCH_OUT), 1);
      PUSH_DATA (push, dst->pitch);
   }

   while (height) {
      int line_count = height > 2047 ? 2047 : height;

      BEGIN_NV04(push, NV50_M2MF(OFFSET_IN_HIGH), 2);
      PUSH_DATAh(push, src->bo->offset + src_ofst);
      PUSH_DATAh(push, dst->bo->offset + dst_ofst);

      BEGIN_NV04(push, SUBC_M2MF(NV03_M2MF_OFFSET_IN), 2);
      PUSH_DATA (push, src->bo->offset + src_ofst);
      PUSH_DATA (push, dst->bo->offset + dst_ofst);

      if (nouveau_bo_memtype(src->bo)) {
         BEGIN_NV04(push, NV50_M2MF(TILING_POSITION_IN), 1);
         PUSH_DATA (push, (sy << 16) | (src->x * cpp));
      } else {
         src_ofst += line_count * src->pitch;
      }
      if (nouveau_bo_memtype(dst->bo)) {
         BEGIN_NV04(push, NV50_M2MF(TILING_POSITION_OUT), 1);
         PUSH_DATA (push, (dy << 16) | (dst->x * cpp));
      } else {
         dst_ofst += line_count * dst->pitch;
      }

      BEGIN_NV04(push, SUBC_M2MF(NV03_M2MF_LINE_LENGTH_IN), 4);
      PUSH_DATA (push, nblocksx * cpp);
      PUSH_DATA (push, line_count);
      PUSH_DATA (push, (1 << 8) | (1 << 0));
      PUSH_DATA (push, 0);

      height -= line_count;
      sy += line_count;
      dy += line_count;
   }

   nouveau_bufctx_reset(bctx, 0);
}

void
nv50_sifc_linear_u8(struct nouveau_context *nv,
                    struct nouveau_bo *dst, unsigned offset, unsigned domain,
                    unsigned size, const void *data)
{
   struct nv50_context *nv50 = nv50_context(&nv->pipe);
   struct nouveau_pushbuf *push = nv50->base.pushbuf;
   uint32_t *src = (uint32_t *)data;
   unsigned count = (size + 3) / 4;
   unsigned xcoord = offset & 0xff;

   nouveau_bufctx_refn(nv50->bufctx, 0, dst, domain | NOUVEAU_BO_WR);
   nouveau_pushbuf_bufctx(push, nv50->bufctx);
   nouveau_pushbuf_validate(push);

   offset &= ~0xff;

   BEGIN_NV04(push, NV50_2D(DST_FORMAT), 2);
   PUSH_DATA (push, G80_SURFACE_FORMAT_R8_UNORM);
   PUSH_DATA (push, 1);
   BEGIN_NV04(push, NV50_2D(DST_PITCH), 5);
   PUSH_DATA (push, 262144);
   PUSH_DATA (push, 65536);
   PUSH_DATA (push, 1);
   PUSH_DATAh(push, dst->offset + offset);
   PUSH_DATA (push, dst->offset + offset);
   BEGIN_NV04(push, NV50_2D(SIFC_BITMAP_ENABLE), 2);
   PUSH_DATA (push, 0);
   PUSH_DATA (push, G80_SURFACE_FORMAT_R8_UNORM);
   BEGIN_NV04(push, NV50_2D(SIFC_WIDTH), 10);
   PUSH_DATA (push, size);
   PUSH_DATA (push, 1);
   PUSH_DATA (push, 0);
   PUSH_DATA (push, 1);
   PUSH_DATA (push, 0);
   PUSH_DATA (push, 1);
   PUSH_DATA (push, 0);
   PUSH_DATA (push, xcoord);
   PUSH_DATA (push, 0);
   PUSH_DATA (push, 0);

   while (count) {
      unsigned nr = MIN2(count, NV04_PFIFO_MAX_PACKET_LEN);

      BEGIN_NI04(push, NV50_2D(SIFC_DATA), nr);
      PUSH_DATAp(push, src, nr);

      src += nr;
      count -= nr;
   }

   nouveau_bufctx_reset(nv50->bufctx, 0);
}

void
nv50_m2mf_copy_linear(struct nouveau_context *nv,
                      struct nouveau_bo *dst, unsigned dstoff, unsigned dstdom,
                      struct nouveau_bo *src, unsigned srcoff, unsigned srcdom,
                      unsigned size)
{
   struct nouveau_pushbuf *push = nv->pushbuf;
   struct nouveau_bufctx *bctx = nv50_context(&nv->pipe)->bufctx;

   nouveau_bufctx_refn(bctx, 0, src, srcdom | NOUVEAU_BO_RD);
   nouveau_bufctx_refn(bctx, 0, dst, dstdom | NOUVEAU_BO_WR);
   nouveau_pushbuf_bufctx(push, bctx);
   nouveau_pushbuf_validate(push);

   BEGIN_NV04(push, NV50_M2MF(LINEAR_IN), 1);
   PUSH_DATA (push, 1);
   BEGIN_NV04(push, NV50_M2MF(LINEAR_OUT), 1);
   PUSH_DATA (push, 1);

   while (size) {
      unsigned bytes = MIN2(size, 1 << 17);

      BEGIN_NV04(push, NV50_M2MF(OFFSET_IN_HIGH), 2);
      PUSH_DATAh(push, src->offset + srcoff);
      PUSH_DATAh(push, dst->offset + dstoff);
      BEGIN_NV04(push, SUBC_M2MF(NV03_M2MF_OFFSET_IN), 2);
      PUSH_DATA (push, src->offset + srcoff);
      PUSH_DATA (push, dst->offset + dstoff);
      BEGIN_NV04(push, SUBC_M2MF(NV03_M2MF_LINE_LENGTH_IN), 4);
      PUSH_DATA (push, bytes);
      PUSH_DATA (push, 1);
      PUSH_DATA (push, (1 << 8) | (1 << 0));
      PUSH_DATA (push, 0);

      srcoff += bytes;
      dstoff += bytes;
      size -= bytes;
   }

   nouveau_bufctx_reset(bctx, 0);
}

void *
nv50_miptree_transfer_map(struct pipe_context *pctx,
                          struct pipe_resource *res,
                          unsigned level,
                          unsigned usage,
                          const struct pipe_box *box,
                          struct pipe_transfer **ptransfer)
{
   struct nv50_screen *screen = nv50_screen(pctx->screen);
   struct nv50_context *nv50 = nv50_context(pctx);
   struct nouveau_device *dev = nv50->screen->base.device;
   const struct nv50_miptree *mt = nv50_miptree(res);
   struct nv50_transfer *tx;
   uint32_t size;
   int ret;
   unsigned flags = 0;

   if (usage & PIPE_TRANSFER_MAP_DIRECTLY)
      return NULL;

   tx = CALLOC_STRUCT(nv50_transfer);
   if (!tx)
      return NULL;

   pipe_resource_reference(&tx->base.resource, res);

   tx->base.level = level;
   tx->base.usage = usage;
   tx->base.box = *box;

   if (util_format_is_plain(res->format)) {
      tx->nblocksx = box->width << mt->ms_x;
      tx->nblocksy = box->height << mt->ms_y;
   } else {
      tx->nblocksx = util_format_get_nblocksx(res->format, box->width);
      tx->nblocksy = util_format_get_nblocksy(res->format, box->height);
   }

   tx->base.stride = tx->nblocksx * util_format_get_blocksize(res->format);
   tx->base.layer_stride = tx->nblocksy * tx->base.stride;

   nv50_m2mf_rect_setup(&tx->rect[0], res, level, box->x, box->y, box->z);

   size = tx->base.layer_stride;

   ret = nouveau_bo_new(dev, NOUVEAU_BO_GART | NOUVEAU_BO_MAP, 0,
                        size * tx->base.box.depth, NULL, &tx->rect[1].bo);
   if (ret) {
      FREE(tx);
      return NULL;
   }

   tx->rect[1].cpp = tx->rect[0].cpp;
   tx->rect[1].width = tx->nblocksx;
   tx->rect[1].height = tx->nblocksy;
   tx->rect[1].depth = 1;
   tx->rect[1].pitch = tx->base.stride;
   tx->rect[1].domain = NOUVEAU_BO_GART;

   if (usage & PIPE_TRANSFER_READ) {
      unsigned base = tx->rect[0].base;
      unsigned z = tx->rect[0].z;
      unsigned i;
      for (i = 0; i < box->depth; ++i) {
         nv50_m2mf_transfer_rect(nv50, &tx->rect[1], &tx->rect[0],
                                 tx->nblocksx, tx->nblocksy);
         if (mt->layout_3d)
            tx->rect[0].z++;
         else
            tx->rect[0].base += mt->layer_stride;
         tx->rect[1].base += size;
      }
      tx->rect[0].z = z;
      tx->rect[0].base = base;
      tx->rect[1].base = 0;
   }

   if (tx->rect[1].bo->map) {
      *ptransfer = &tx->base;
      return tx->rect[1].bo->map;
   }

   if (usage & PIPE_TRANSFER_READ)
      flags = NOUVEAU_BO_RD;
   if (usage & PIPE_TRANSFER_WRITE)
      flags |= NOUVEAU_BO_WR;

   ret = nouveau_bo_map(tx->rect[1].bo, flags, screen->base.client);
   if (ret) {
      nouveau_bo_ref(NULL, &tx->rect[1].bo);
      FREE(tx);
      return NULL;
   }

   *ptransfer = &tx->base;
   return tx->rect[1].bo->map;
}

void
nv50_miptree_transfer_unmap(struct pipe_context *pctx,
                            struct pipe_transfer *transfer)
{
   struct nv50_context *nv50 = nv50_context(pctx);
   struct nv50_transfer *tx = (struct nv50_transfer *)transfer;
   struct nv50_miptree *mt = nv50_miptree(tx->base.resource);
   unsigned i;

   if (tx->base.usage & PIPE_TRANSFER_WRITE) {
      for (i = 0; i < tx->base.box.depth; ++i) {
         nv50_m2mf_transfer_rect(nv50, &tx->rect[0], &tx->rect[1],
                                 tx->nblocksx, tx->nblocksy);
         if (mt->layout_3d)
            tx->rect[0].z++;
         else
            tx->rect[0].base += mt->layer_stride;
         tx->rect[1].base += tx->nblocksy * tx->base.stride;
      }

      /* Allow the copies above to finish executing before freeing the source */
      nouveau_fence_work(nv50->screen->base.fence.current,
                         nouveau_fence_unref_bo, tx->rect[1].bo);
   } else {
      nouveau_bo_ref(NULL, &tx->rect[1].bo);
   }

   pipe_resource_reference(&transfer->resource, NULL);

   FREE(tx);
}

static void
nv50_cb_bo_push(struct nouveau_context *nv,
                struct nouveau_bo *bo, unsigned domain,
                unsigned bufid,
                unsigned offset, unsigned words,
                const uint32_t *data)
{
   struct nouveau_pushbuf *push = nv->pushbuf;

   assert(!(offset & 3));

   while (words) {
      unsigned nr = MIN2(words, NV04_PFIFO_MAX_PACKET_LEN);

      PUSH_SPACE(push, nr + 3);
      PUSH_REFN (push, bo, NOUVEAU_BO_WR | domain);
      BEGIN_NV04(push, NV50_3D(CB_ADDR), 1);
      PUSH_DATA (push, (offset << 6) | bufid);
      BEGIN_NI04(push, NV50_3D(CB_DATA(0)), nr);
      PUSH_DATAp(push, data, nr);

      words -= nr;
      data += nr;
      offset += nr * 4;
   }
}

void
nv50_cb_push(struct nouveau_context *nv,
             struct nv04_resource *res,
             unsigned offset, unsigned words, const uint32_t *data)
{
   struct nv50_context *nv50 = nv50_context(&nv->pipe);
   struct nv50_constbuf *cb = NULL;
   int s, bufid;
   /* Go through all the constbuf binding points of this buffer and try to
    * find one which contains the region to be updated.
    */
   /* XXX compute? */
   for (s = 0; s < 3 && !cb; s++) {
      uint16_t bindings = res->cb_bindings[s];
      while (bindings) {
         int i = ffs(bindings) - 1;
         uint32_t cb_offset = nv50->constbuf[s][i].offset;

         bindings &= ~(1 << i);
         if (cb_offset <= offset &&
             cb_offset + nv50->constbuf[s][i].size >= offset + words * 4) {
            cb = &nv50->constbuf[s][i];
            bufid = s * 16 + i;
            break;
         }
      }
   }

   if (cb) {
      nv50_cb_bo_push(nv, res->bo, res->domain,
                      bufid, offset - cb->offset, words, data);
   } else {
      nv->push_data(nv, res->bo, res->offset + offset, res->domain,
                    words * 4, data);
   }
}