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  • Committer: mmach
  • Date: 2022-09-22 19:56:13 UTC
  • Revision ID: netbit73@gmail.com-20220922195613-wtik9mmy20tmor0i
2022-09-22 21:17:09

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1
 
/*
2
 
 * Copyright © 2014 Broadcom
3
 
 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
4
 
 *
5
 
 * Permission is hereby granted, free of charge, to any person obtaining a
6
 
 * copy of this software and associated documentation files (the "Software"),
7
 
 * to deal in the Software without restriction, including without limitation
8
 
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9
 
 * and/or sell copies of the Software, and to permit persons to whom the
10
 
 * Software is furnished to do so, subject to the following conditions:
11
 
 *
12
 
 * The above copyright notice and this permission notice (including the next
13
 
 * paragraph) shall be included in all copies or substantial portions of the
14
 
 * Software.
15
 
 *
16
 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17
 
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18
 
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19
 
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20
 
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21
 
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22
 
 * IN THE SOFTWARE.
23
 
 */
24
 
 
25
 
#include "pipe/p_defines.h"
26
 
#include "util/u_memory.h"
27
 
#include "util/format/u_format.h"
28
 
#include "util/u_inlines.h"
29
 
#include "util/u_surface.h"
30
 
#include "util/u_transfer_helper.h"
31
 
#include "util/u_upload_mgr.h"
32
 
#include "util/u_drm.h"
33
 
 
34
 
#include "drm-uapi/drm_fourcc.h"
35
 
#include "drm-uapi/vc4_drm.h"
36
 
#include "vc4_screen.h"
37
 
#include "vc4_context.h"
38
 
#include "vc4_resource.h"
39
 
#include "vc4_tiling.h"
40
 
 
41
 
static bool
42
 
vc4_resource_bo_alloc(struct vc4_resource *rsc)
43
 
{
44
 
        struct pipe_resource *prsc = &rsc->base;
45
 
        struct pipe_screen *pscreen = prsc->screen;
46
 
        struct vc4_bo *bo;
47
 
 
48
 
        if (vc4_debug & VC4_DEBUG_SURFACE) {
49
 
                fprintf(stderr, "alloc %p: size %d + offset %d -> %d\n",
50
 
                        rsc,
51
 
                        rsc->slices[0].size,
52
 
                        rsc->slices[0].offset,
53
 
                        rsc->slices[0].offset +
54
 
                        rsc->slices[0].size +
55
 
                        rsc->cube_map_stride * (prsc->array_size - 1));
56
 
        }
57
 
 
58
 
        bo = vc4_bo_alloc(vc4_screen(pscreen),
59
 
                          rsc->slices[0].offset +
60
 
                          rsc->slices[0].size +
61
 
                          rsc->cube_map_stride * (prsc->array_size - 1),
62
 
                          "resource");
63
 
        if (bo) {
64
 
                vc4_bo_unreference(&rsc->bo);
65
 
                rsc->bo = bo;
66
 
                return true;
67
 
        } else {
68
 
                return false;
69
 
        }
70
 
}
71
 
 
72
 
static void
73
 
vc4_resource_transfer_unmap(struct pipe_context *pctx,
74
 
                            struct pipe_transfer *ptrans)
75
 
{
76
 
        struct vc4_context *vc4 = vc4_context(pctx);
77
 
        struct vc4_transfer *trans = vc4_transfer(ptrans);
78
 
 
79
 
        if (trans->map) {
80
 
                struct vc4_resource *rsc = vc4_resource(ptrans->resource);
81
 
                struct vc4_resource_slice *slice = &rsc->slices[ptrans->level];
82
 
 
83
 
                if (ptrans->usage & PIPE_MAP_WRITE) {
84
 
                        vc4_store_tiled_image(rsc->bo->map + slice->offset +
85
 
                                              ptrans->box.z * rsc->cube_map_stride,
86
 
                                              slice->stride,
87
 
                                              trans->map, ptrans->stride,
88
 
                                              slice->tiling, rsc->cpp,
89
 
                                              &ptrans->box);
90
 
                }
91
 
                free(trans->map);
92
 
        }
93
 
 
94
 
        pipe_resource_reference(&ptrans->resource, NULL);
95
 
        slab_free(&vc4->transfer_pool, ptrans);
96
 
}
97
 
 
98
 
static void *
99
 
vc4_resource_transfer_map(struct pipe_context *pctx,
100
 
                          struct pipe_resource *prsc,
101
 
                          unsigned level, unsigned usage,
102
 
                          const struct pipe_box *box,
103
 
                          struct pipe_transfer **pptrans)
104
 
{
105
 
        struct vc4_context *vc4 = vc4_context(pctx);
106
 
        struct vc4_resource *rsc = vc4_resource(prsc);
107
 
        struct vc4_transfer *trans;
108
 
        struct pipe_transfer *ptrans;
109
 
        enum pipe_format format = prsc->format;
110
 
        char *buf;
111
 
 
112
 
        /* Upgrade DISCARD_RANGE to WHOLE_RESOURCE if the whole resource is
113
 
         * being mapped.
114
 
         */
115
 
        if ((usage & PIPE_MAP_DISCARD_RANGE) &&
116
 
            !(usage & PIPE_MAP_UNSYNCHRONIZED) &&
117
 
            !(prsc->flags & PIPE_RESOURCE_FLAG_MAP_PERSISTENT) &&
118
 
            prsc->last_level == 0 &&
119
 
            prsc->width0 == box->width &&
120
 
            prsc->height0 == box->height &&
121
 
            prsc->depth0 == box->depth &&
122
 
            prsc->array_size == 1 &&
123
 
            rsc->bo->private) {
124
 
                usage |= PIPE_MAP_DISCARD_WHOLE_RESOURCE;
125
 
        }
126
 
 
127
 
        if (usage & PIPE_MAP_DISCARD_WHOLE_RESOURCE) {
128
 
                if (vc4_resource_bo_alloc(rsc)) {
129
 
                        /* If it might be bound as one of our vertex buffers,
130
 
                         * make sure we re-emit vertex buffer state.
131
 
                         */
132
 
                        if (prsc->bind & PIPE_BIND_VERTEX_BUFFER)
133
 
                                vc4->dirty |= VC4_DIRTY_VTXBUF;
134
 
                } else {
135
 
                        /* If we failed to reallocate, flush users so that we
136
 
                         * don't violate any syncing requirements.
137
 
                         */
138
 
                        vc4_flush_jobs_reading_resource(vc4, prsc);
139
 
                }
140
 
        } else if (!(usage & PIPE_MAP_UNSYNCHRONIZED)) {
141
 
                /* If we're writing and the buffer is being used by the CL, we
142
 
                 * have to flush the CL first.  If we're only reading, we need
143
 
                 * to flush if the CL has written our buffer.
144
 
                 */
145
 
                if (usage & PIPE_MAP_WRITE)
146
 
                        vc4_flush_jobs_reading_resource(vc4, prsc);
147
 
                else
148
 
                        vc4_flush_jobs_writing_resource(vc4, prsc);
149
 
        }
150
 
 
151
 
        if (usage & PIPE_MAP_WRITE) {
152
 
                rsc->writes++;
153
 
                rsc->initialized_buffers = ~0;
154
 
        }
155
 
 
156
 
        trans = slab_zalloc(&vc4->transfer_pool);
157
 
        if (!trans)
158
 
                return NULL;
159
 
 
160
 
        /* XXX: Handle DONTBLOCK, DISCARD_RANGE, PERSISTENT, COHERENT. */
161
 
 
162
 
        ptrans = &trans->base;
163
 
 
164
 
        pipe_resource_reference(&ptrans->resource, prsc);
165
 
        ptrans->level = level;
166
 
        ptrans->usage = usage;
167
 
        ptrans->box = *box;
168
 
 
169
 
        if (usage & PIPE_MAP_UNSYNCHRONIZED)
170
 
                buf = vc4_bo_map_unsynchronized(rsc->bo);
171
 
        else
172
 
                buf = vc4_bo_map(rsc->bo);
173
 
        if (!buf) {
174
 
                fprintf(stderr, "Failed to map bo\n");
175
 
                goto fail;
176
 
        }
177
 
 
178
 
        *pptrans = ptrans;
179
 
 
180
 
        struct vc4_resource_slice *slice = &rsc->slices[level];
181
 
        if (rsc->tiled) {
182
 
                /* No direct mappings of tiled, since we need to manually
183
 
                 * tile/untile.
184
 
                 */
185
 
                if (usage & PIPE_MAP_DIRECTLY)
186
 
                        return NULL;
187
 
 
188
 
                /* Our load/store routines work on entire compressed blocks. */
189
 
                u_box_pixels_to_blocks(&ptrans->box, &ptrans->box, format);
190
 
 
191
 
                ptrans->stride = ptrans->box.width * rsc->cpp;
192
 
                ptrans->layer_stride = ptrans->stride * ptrans->box.height;
193
 
 
194
 
                trans->map = malloc(ptrans->layer_stride * ptrans->box.depth);
195
 
 
196
 
                if (usage & PIPE_MAP_READ) {
197
 
                        vc4_load_tiled_image(trans->map, ptrans->stride,
198
 
                                             buf + slice->offset +
199
 
                                             ptrans->box.z * rsc->cube_map_stride,
200
 
                                             slice->stride,
201
 
                                             slice->tiling, rsc->cpp,
202
 
                                             &ptrans->box);
203
 
                }
204
 
                return trans->map;
205
 
        } else {
206
 
                ptrans->stride = slice->stride;
207
 
                ptrans->layer_stride = ptrans->stride;
208
 
 
209
 
                return buf + slice->offset +
210
 
                        ptrans->box.y / util_format_get_blockheight(format) * ptrans->stride +
211
 
                        ptrans->box.x / util_format_get_blockwidth(format) * rsc->cpp +
212
 
                        ptrans->box.z * rsc->cube_map_stride;
213
 
        }
214
 
 
215
 
 
216
 
fail:
217
 
        vc4_resource_transfer_unmap(pctx, ptrans);
218
 
        return NULL;
219
 
}
220
 
 
221
 
static void
222
 
vc4_texture_subdata(struct pipe_context *pctx,
223
 
                    struct pipe_resource *prsc,
224
 
                    unsigned level,
225
 
                    unsigned usage,
226
 
                    const struct pipe_box *box,
227
 
                    const void *data,
228
 
                    unsigned stride,
229
 
                    unsigned layer_stride)
230
 
{
231
 
        struct vc4_resource *rsc = vc4_resource(prsc);
232
 
        struct vc4_resource_slice *slice = &rsc->slices[level];
233
 
 
234
 
        /* For a direct mapping, we can just take the u_transfer path. */
235
 
        if (!rsc->tiled ||
236
 
            box->depth != 1 ||
237
 
            (usage & PIPE_MAP_DISCARD_WHOLE_RESOURCE)) {
238
 
                return u_default_texture_subdata(pctx, prsc, level, usage, box,
239
 
                                                 data, stride, layer_stride);
240
 
        }
241
 
 
242
 
        /* Otherwise, map and store the texture data directly into the tiled
243
 
         * texture.
244
 
         */
245
 
        void *buf;
246
 
        if (usage & PIPE_MAP_UNSYNCHRONIZED)
247
 
                buf = vc4_bo_map_unsynchronized(rsc->bo);
248
 
        else
249
 
                buf = vc4_bo_map(rsc->bo);
250
 
 
251
 
        vc4_store_tiled_image(buf + slice->offset +
252
 
                              box->z * rsc->cube_map_stride,
253
 
                              slice->stride,
254
 
                              (void *)data, stride,
255
 
                              slice->tiling, rsc->cpp,
256
 
                              box);
257
 
}
258
 
 
259
 
static void
260
 
vc4_resource_destroy(struct pipe_screen *pscreen,
261
 
                     struct pipe_resource *prsc)
262
 
{
263
 
        struct vc4_screen *screen = vc4_screen(pscreen);
264
 
        struct vc4_resource *rsc = vc4_resource(prsc);
265
 
        vc4_bo_unreference(&rsc->bo);
266
 
 
267
 
        if (rsc->scanout)
268
 
                renderonly_scanout_destroy(rsc->scanout, screen->ro);
269
 
 
270
 
        free(rsc);
271
 
}
272
 
 
273
 
static uint64_t
274
 
vc4_resource_modifier(struct vc4_resource *rsc)
275
 
{
276
 
        if (rsc->tiled)
277
 
                return DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED;
278
 
        else
279
 
                return DRM_FORMAT_MOD_LINEAR;
280
 
}
281
 
 
282
 
static bool
283
 
vc4_resource_get_handle(struct pipe_screen *pscreen,
284
 
                        struct pipe_context *pctx,
285
 
                        struct pipe_resource *prsc,
286
 
                        struct winsys_handle *whandle,
287
 
                        unsigned usage)
288
 
{
289
 
        struct vc4_screen *screen = vc4_screen(pscreen);
290
 
        struct vc4_resource *rsc = vc4_resource(prsc);
291
 
 
292
 
        whandle->stride = rsc->slices[0].stride;
293
 
        whandle->offset = 0;
294
 
        whandle->modifier = vc4_resource_modifier(rsc);
295
 
 
296
 
        /* If we're passing some reference to our BO out to some other part of
297
 
         * the system, then we can't do any optimizations about only us being
298
 
         * the ones seeing it (like BO caching or shadow update avoidance).
299
 
         */
300
 
        rsc->bo->private = false;
301
 
 
302
 
        switch (whandle->type) {
303
 
        case WINSYS_HANDLE_TYPE_SHARED:
304
 
                if (screen->ro) {
305
 
                        /* This could probably be supported, assuming that a
306
 
                         * control node was used for pl111.
307
 
                         */
308
 
                        fprintf(stderr, "flink unsupported with pl111\n");
309
 
                        return false;
310
 
                }
311
 
 
312
 
                return vc4_bo_flink(rsc->bo, &whandle->handle);
313
 
        case WINSYS_HANDLE_TYPE_KMS:
314
 
                if (screen->ro) {
315
 
                        return renderonly_get_handle(rsc->scanout, whandle);
316
 
                }
317
 
                whandle->handle = rsc->bo->handle;
318
 
                return true;
319
 
        case WINSYS_HANDLE_TYPE_FD:
320
 
                /* FDs are cross-device, so we can export directly from vc4.
321
 
                 */
322
 
                whandle->handle = vc4_bo_get_dmabuf(rsc->bo);
323
 
                return whandle->handle != -1;
324
 
        }
325
 
 
326
 
        return false;
327
 
}
328
 
 
329
 
static bool
330
 
vc4_resource_get_param(struct pipe_screen *pscreen,
331
 
                       struct pipe_context *pctx, struct pipe_resource *prsc,
332
 
                       unsigned plane, unsigned layer, unsigned level,
333
 
                       enum pipe_resource_param param,
334
 
                       unsigned usage, uint64_t *value)
335
 
{
336
 
        struct vc4_resource *rsc = vc4_resource(prsc);
337
 
 
338
 
        switch (param) {
339
 
        case PIPE_RESOURCE_PARAM_STRIDE:
340
 
                *value = rsc->slices[level].stride;
341
 
                return true;
342
 
        case PIPE_RESOURCE_PARAM_OFFSET:
343
 
                *value = 0;
344
 
                return true;
345
 
        case PIPE_RESOURCE_PARAM_MODIFIER:
346
 
                *value = vc4_resource_modifier(rsc);
347
 
                return true;
348
 
        default:
349
 
                return false;
350
 
        }
351
 
}
352
 
 
353
 
static void
354
 
vc4_setup_slices(struct vc4_resource *rsc, const char *caller)
355
 
{
356
 
        struct pipe_resource *prsc = &rsc->base;
357
 
        uint32_t width = prsc->width0;
358
 
        uint32_t height = prsc->height0;
359
 
        if (prsc->format == PIPE_FORMAT_ETC1_RGB8) {
360
 
                width = (width + 3) >> 2;
361
 
                height = (height + 3) >> 2;
362
 
        }
363
 
 
364
 
        uint32_t pot_width = util_next_power_of_two(width);
365
 
        uint32_t pot_height = util_next_power_of_two(height);
366
 
        uint32_t offset = 0;
367
 
        uint32_t utile_w = vc4_utile_width(rsc->cpp);
368
 
        uint32_t utile_h = vc4_utile_height(rsc->cpp);
369
 
 
370
 
        for (int i = prsc->last_level; i >= 0; i--) {
371
 
                struct vc4_resource_slice *slice = &rsc->slices[i];
372
 
 
373
 
                uint32_t level_width, level_height;
374
 
                if (i == 0) {
375
 
                        level_width = width;
376
 
                        level_height = height;
377
 
                } else {
378
 
                        level_width = u_minify(pot_width, i);
379
 
                        level_height = u_minify(pot_height, i);
380
 
                }
381
 
 
382
 
                if (!rsc->tiled) {
383
 
                        slice->tiling = VC4_TILING_FORMAT_LINEAR;
384
 
                        if (prsc->nr_samples > 1) {
385
 
                                /* MSAA (4x) surfaces are stored as raw tile buffer contents. */
386
 
                                level_width = align(level_width, 32);
387
 
                                level_height = align(level_height, 32);
388
 
                        } else {
389
 
                                level_width = align(level_width, utile_w);
390
 
                        }
391
 
                } else {
392
 
                        if (vc4_size_is_lt(level_width, level_height,
393
 
                                           rsc->cpp)) {
394
 
                                slice->tiling = VC4_TILING_FORMAT_LT;
395
 
                                level_width = align(level_width, utile_w);
396
 
                                level_height = align(level_height, utile_h);
397
 
                        } else {
398
 
                                slice->tiling = VC4_TILING_FORMAT_T;
399
 
                                level_width = align(level_width,
400
 
                                                    4 * 2 * utile_w);
401
 
                                level_height = align(level_height,
402
 
                                                     4 * 2 * utile_h);
403
 
                        }
404
 
                }
405
 
 
406
 
                slice->offset = offset;
407
 
                slice->stride = (level_width * rsc->cpp *
408
 
                                 MAX2(prsc->nr_samples, 1));
409
 
                slice->size = level_height * slice->stride;
410
 
 
411
 
                offset += slice->size;
412
 
 
413
 
                if (vc4_debug & VC4_DEBUG_SURFACE) {
414
 
                        static const char tiling_chars[] = {
415
 
                                [VC4_TILING_FORMAT_LINEAR] = 'R',
416
 
                                [VC4_TILING_FORMAT_LT] = 'L',
417
 
                                [VC4_TILING_FORMAT_T] = 'T'
418
 
                        };
419
 
                        fprintf(stderr,
420
 
                                "rsc %s %p (format %s: vc4 %d), %dx%d: "
421
 
                                "level %d (%c) -> %dx%d, stride %d@0x%08x\n",
422
 
                                caller, rsc,
423
 
                                util_format_short_name(prsc->format),
424
 
                                rsc->vc4_format,
425
 
                                prsc->width0, prsc->height0,
426
 
                                i, tiling_chars[slice->tiling],
427
 
                                level_width, level_height,
428
 
                                slice->stride, slice->offset);
429
 
                }
430
 
        }
431
 
 
432
 
        /* The texture base pointer that has to point to level 0 doesn't have
433
 
         * intra-page bits, so we have to align it, and thus shift up all the
434
 
         * smaller slices.
435
 
         */
436
 
        uint32_t page_align_offset = (align(rsc->slices[0].offset, 4096) -
437
 
                                      rsc->slices[0].offset);
438
 
        if (page_align_offset) {
439
 
                for (int i = 0; i <= prsc->last_level; i++)
440
 
                        rsc->slices[i].offset += page_align_offset;
441
 
        }
442
 
 
443
 
        /* Cube map faces appear as whole miptrees at a page-aligned offset
444
 
         * from the first face's miptree.
445
 
         */
446
 
        if (prsc->target == PIPE_TEXTURE_CUBE) {
447
 
                rsc->cube_map_stride = align(rsc->slices[0].offset +
448
 
                                             rsc->slices[0].size, 4096);
449
 
        }
450
 
}
451
 
 
452
 
static struct vc4_resource *
453
 
vc4_resource_setup(struct pipe_screen *pscreen,
454
 
                   const struct pipe_resource *tmpl)
455
 
{
456
 
        struct vc4_resource *rsc = CALLOC_STRUCT(vc4_resource);
457
 
        if (!rsc)
458
 
                return NULL;
459
 
        struct pipe_resource *prsc = &rsc->base;
460
 
 
461
 
        *prsc = *tmpl;
462
 
 
463
 
        pipe_reference_init(&prsc->reference, 1);
464
 
        prsc->screen = pscreen;
465
 
 
466
 
        if (prsc->nr_samples <= 1)
467
 
                rsc->cpp = util_format_get_blocksize(tmpl->format);
468
 
        else
469
 
                rsc->cpp = sizeof(uint32_t);
470
 
 
471
 
        assert(rsc->cpp);
472
 
 
473
 
        return rsc;
474
 
}
475
 
 
476
 
static enum vc4_texture_data_type
477
 
get_resource_texture_format(struct pipe_resource *prsc)
478
 
{
479
 
        struct vc4_resource *rsc = vc4_resource(prsc);
480
 
        uint8_t format = vc4_get_tex_format(prsc->format);
481
 
 
482
 
        if (!rsc->tiled) {
483
 
                if (prsc->nr_samples > 1) {
484
 
                        return ~0;
485
 
                } else {
486
 
                        if (format == VC4_TEXTURE_TYPE_RGBA8888)
487
 
                                return VC4_TEXTURE_TYPE_RGBA32R;
488
 
                        else
489
 
                                return ~0;
490
 
                }
491
 
        }
492
 
 
493
 
        return format;
494
 
}
495
 
 
496
 
static struct pipe_resource *
497
 
vc4_resource_create_with_modifiers(struct pipe_screen *pscreen,
498
 
                                   const struct pipe_resource *tmpl,
499
 
                                   const uint64_t *modifiers,
500
 
                                   int count)
501
 
{
502
 
        struct vc4_screen *screen = vc4_screen(pscreen);
503
 
        struct vc4_resource *rsc = vc4_resource_setup(pscreen, tmpl);
504
 
        struct pipe_resource *prsc = &rsc->base;
505
 
        bool linear_ok = drm_find_modifier(DRM_FORMAT_MOD_LINEAR, modifiers, count);
506
 
        /* Use a tiled layout if we can, for better 3D performance. */
507
 
        bool should_tile = true;
508
 
 
509
 
        /* VBOs/PBOs are untiled (and 1 height). */
510
 
        if (tmpl->target == PIPE_BUFFER)
511
 
                should_tile = false;
512
 
 
513
 
        /* MSAA buffers are linear. */
514
 
        if (tmpl->nr_samples > 1)
515
 
                should_tile = false;
516
 
 
517
 
        /* No tiling when we're sharing with another device (pl111). */
518
 
        if (screen->ro && (tmpl->bind & PIPE_BIND_SCANOUT))
519
 
                should_tile = false;
520
 
 
521
 
        /* Cursors are always linear, and the user can request linear as well.
522
 
         */
523
 
        if (tmpl->bind & (PIPE_BIND_LINEAR | PIPE_BIND_CURSOR))
524
 
                should_tile = false;
525
 
 
526
 
        /* No shared objects with LT format -- the kernel only has T-format
527
 
         * metadata.  LT objects are small enough it's not worth the trouble to
528
 
         * give them metadata to tile.
529
 
         */
530
 
        if ((tmpl->bind & (PIPE_BIND_SHARED | PIPE_BIND_SCANOUT)) &&
531
 
            vc4_size_is_lt(prsc->width0, prsc->height0, rsc->cpp))
532
 
                should_tile = false;
533
 
 
534
 
        /* If we're sharing or scanning out, we need the ioctl present to
535
 
         * inform the kernel or the other side.
536
 
         */
537
 
        if ((tmpl->bind & (PIPE_BIND_SHARED |
538
 
                           PIPE_BIND_SCANOUT)) && !screen->has_tiling_ioctl)
539
 
                should_tile = false;
540
 
 
541
 
        /* No user-specified modifier; determine our own. */
542
 
        if (count == 1 && modifiers[0] == DRM_FORMAT_MOD_INVALID) {
543
 
                linear_ok = true;
544
 
                rsc->tiled = should_tile;
545
 
        } else if (should_tile &&
546
 
                   drm_find_modifier(DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED,
547
 
                                 modifiers, count)) {
548
 
                rsc->tiled = true;
549
 
        } else if (linear_ok) {
550
 
                rsc->tiled = false;
551
 
        } else {
552
 
                fprintf(stderr, "Unsupported modifier requested\n");
553
 
                return NULL;
554
 
        }
555
 
 
556
 
        if (tmpl->target != PIPE_BUFFER)
557
 
                rsc->vc4_format = get_resource_texture_format(prsc);
558
 
 
559
 
        vc4_setup_slices(rsc, "create");
560
 
        if (!vc4_resource_bo_alloc(rsc))
561
 
                goto fail;
562
 
 
563
 
        if (screen->has_tiling_ioctl) {
564
 
                uint64_t modifier;
565
 
                if (rsc->tiled)
566
 
                        modifier = DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED;
567
 
                else
568
 
                        modifier = DRM_FORMAT_MOD_LINEAR;
569
 
                struct drm_vc4_set_tiling set_tiling = {
570
 
                        .handle = rsc->bo->handle,
571
 
                        .modifier = modifier,
572
 
                };
573
 
                int ret = vc4_ioctl(screen->fd, DRM_IOCTL_VC4_SET_TILING,
574
 
                                    &set_tiling);
575
 
                if (ret != 0)
576
 
                        goto fail;
577
 
        }
578
 
 
579
 
        /* Set up the "scanout resource" (the dmabuf export of our buffer to
580
 
         * the KMS handle) if the buffer might ever have
581
 
         * resource_get_handle(WINSYS_HANDLE_TYPE_KMS) called on it.
582
 
         * create_with_modifiers() doesn't give us usage flags, so we have to
583
 
         * assume that all calls with modifiers are scanout-possible.
584
 
         */
585
 
        if (screen->ro &&
586
 
            ((tmpl->bind & PIPE_BIND_SCANOUT) ||
587
 
             !(count == 1 && modifiers[0] == DRM_FORMAT_MOD_INVALID))) {
588
 
                rsc->scanout =
589
 
                        renderonly_scanout_for_resource(prsc, screen->ro, NULL);
590
 
                if (!rsc->scanout)
591
 
                        goto fail;
592
 
        }
593
 
 
594
 
        vc4_bo_label(screen, rsc->bo, "%sresource %dx%d@%d/%d",
595
 
                     (tmpl->bind & PIPE_BIND_SCANOUT) ? "scanout " : "",
596
 
                     tmpl->width0, tmpl->height0,
597
 
                     rsc->cpp * 8, prsc->last_level);
598
 
 
599
 
        return prsc;
600
 
fail:
601
 
        vc4_resource_destroy(pscreen, prsc);
602
 
        return NULL;
603
 
}
604
 
 
605
 
struct pipe_resource *
606
 
vc4_resource_create(struct pipe_screen *pscreen,
607
 
                    const struct pipe_resource *tmpl)
608
 
{
609
 
        const uint64_t mod = DRM_FORMAT_MOD_INVALID;
610
 
        return vc4_resource_create_with_modifiers(pscreen, tmpl, &mod, 1);
611
 
}
612
 
 
613
 
static struct pipe_resource *
614
 
vc4_resource_from_handle(struct pipe_screen *pscreen,
615
 
                         const struct pipe_resource *tmpl,
616
 
                         struct winsys_handle *whandle,
617
 
                         unsigned usage)
618
 
{
619
 
        struct vc4_screen *screen = vc4_screen(pscreen);
620
 
        struct vc4_resource *rsc = vc4_resource_setup(pscreen, tmpl);
621
 
        struct pipe_resource *prsc = &rsc->base;
622
 
        struct vc4_resource_slice *slice = &rsc->slices[0];
623
 
 
624
 
        if (!rsc)
625
 
                return NULL;
626
 
 
627
 
        switch (whandle->type) {
628
 
        case WINSYS_HANDLE_TYPE_SHARED:
629
 
                rsc->bo = vc4_bo_open_name(screen, whandle->handle);
630
 
                break;
631
 
        case WINSYS_HANDLE_TYPE_FD:
632
 
                rsc->bo = vc4_bo_open_dmabuf(screen, whandle->handle);
633
 
                break;
634
 
        default:
635
 
                fprintf(stderr,
636
 
                        "Attempt to import unsupported handle type %d\n",
637
 
                        whandle->type);
638
 
        }
639
 
 
640
 
        if (!rsc->bo)
641
 
                goto fail;
642
 
 
643
 
        struct drm_vc4_get_tiling get_tiling = {
644
 
                .handle = rsc->bo->handle,
645
 
        };
646
 
        int ret = vc4_ioctl(screen->fd, DRM_IOCTL_VC4_GET_TILING, &get_tiling);
647
 
 
648
 
        if (ret != 0) {
649
 
                whandle->modifier = DRM_FORMAT_MOD_LINEAR;
650
 
        } else if (whandle->modifier == DRM_FORMAT_MOD_INVALID) {
651
 
                whandle->modifier = get_tiling.modifier;
652
 
        } else if (whandle->modifier != get_tiling.modifier) {
653
 
                fprintf(stderr,
654
 
                        "Modifier 0x%llx vs. tiling (0x%llx) mismatch\n",
655
 
                        (long long)whandle->modifier, get_tiling.modifier);
656
 
                goto fail;
657
 
        }
658
 
 
659
 
        switch (whandle->modifier) {
660
 
        case DRM_FORMAT_MOD_LINEAR:
661
 
                rsc->tiled = false;
662
 
                break;
663
 
        case DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED:
664
 
                rsc->tiled = true;
665
 
                break;
666
 
        default:
667
 
                fprintf(stderr,
668
 
                        "Attempt to import unsupported modifier 0x%llx\n",
669
 
                        (long long)whandle->modifier);
670
 
                goto fail;
671
 
        }
672
 
 
673
 
        rsc->vc4_format = get_resource_texture_format(prsc);
674
 
        vc4_setup_slices(rsc, "import");
675
 
 
676
 
        if (whandle->offset != 0) {
677
 
                if (rsc->tiled) {
678
 
                        fprintf(stderr,
679
 
                                "Attempt to import unsupported "
680
 
                                "winsys offset %u\n",
681
 
                                whandle->offset);
682
 
                        goto fail;
683
 
                }
684
 
 
685
 
                rsc->slices[0].offset += whandle->offset;
686
 
 
687
 
                if (rsc->slices[0].offset + rsc->slices[0].size >
688
 
                    rsc->bo->size) {
689
 
                        fprintf(stderr, "Attempt to import "
690
 
                                "with overflowing offset (%d + %d > %d)\n",
691
 
                                whandle->offset,
692
 
                                rsc->slices[0].size,
693
 
                                rsc->bo->size);
694
 
                        goto fail;
695
 
                }
696
 
        }
697
 
 
698
 
        if (screen->ro) {
699
 
                /* Make sure that renderonly has a handle to our buffer in the
700
 
                 * display's fd, so that a later renderonly_get_handle()
701
 
                 * returns correct handles or GEM names.
702
 
                 */
703
 
                rsc->scanout =
704
 
                        renderonly_create_gpu_import_for_resource(prsc,
705
 
                                                                  screen->ro,
706
 
                                                                  NULL);
707
 
        }
708
 
 
709
 
        if (rsc->tiled && whandle->stride != slice->stride) {
710
 
                static bool warned = false;
711
 
                if (!warned) {
712
 
                        warned = true;
713
 
                        fprintf(stderr,
714
 
                                "Attempting to import %dx%d %s with "
715
 
                                "unsupported stride %d instead of %d\n",
716
 
                                prsc->width0, prsc->height0,
717
 
                                util_format_short_name(prsc->format),
718
 
                                whandle->stride,
719
 
                                slice->stride);
720
 
                }
721
 
                goto fail;
722
 
        } else if (!rsc->tiled) {
723
 
                slice->stride = whandle->stride;
724
 
        }
725
 
 
726
 
        return prsc;
727
 
 
728
 
fail:
729
 
        vc4_resource_destroy(pscreen, prsc);
730
 
        return NULL;
731
 
}
732
 
 
733
 
static struct pipe_surface *
734
 
vc4_create_surface(struct pipe_context *pctx,
735
 
                   struct pipe_resource *ptex,
736
 
                   const struct pipe_surface *surf_tmpl)
737
 
{
738
 
        struct vc4_surface *surface = CALLOC_STRUCT(vc4_surface);
739
 
        struct vc4_resource *rsc = vc4_resource(ptex);
740
 
 
741
 
        if (!surface)
742
 
                return NULL;
743
 
 
744
 
        assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer);
745
 
 
746
 
        struct pipe_surface *psurf = &surface->base;
747
 
        unsigned level = surf_tmpl->u.tex.level;
748
 
 
749
 
        pipe_reference_init(&psurf->reference, 1);
750
 
        pipe_resource_reference(&psurf->texture, ptex);
751
 
 
752
 
        psurf->context = pctx;
753
 
        psurf->format = surf_tmpl->format;
754
 
        psurf->width = u_minify(ptex->width0, level);
755
 
        psurf->height = u_minify(ptex->height0, level);
756
 
        psurf->u.tex.level = level;
757
 
        psurf->u.tex.first_layer = surf_tmpl->u.tex.first_layer;
758
 
        psurf->u.tex.last_layer = surf_tmpl->u.tex.last_layer;
759
 
        surface->offset = (rsc->slices[level].offset +
760
 
                           psurf->u.tex.first_layer * rsc->cube_map_stride);
761
 
        surface->tiling = rsc->slices[level].tiling;
762
 
 
763
 
        return &surface->base;
764
 
}
765
 
 
766
 
static void
767
 
vc4_surface_destroy(struct pipe_context *pctx, struct pipe_surface *psurf)
768
 
{
769
 
        pipe_resource_reference(&psurf->texture, NULL);
770
 
        FREE(psurf);
771
 
}
772
 
 
773
 
static void
774
 
vc4_dump_surface_non_msaa(struct pipe_surface *psurf)
775
 
{
776
 
        struct pipe_resource *prsc = psurf->texture;
777
 
        struct vc4_resource *rsc = vc4_resource(prsc);
778
 
        uint32_t *map = vc4_bo_map(rsc->bo);
779
 
        uint32_t stride = rsc->slices[0].stride / 4;
780
 
        uint32_t width = psurf->width;
781
 
        uint32_t height = psurf->height;
782
 
        uint32_t chunk_w = width / 79;
783
 
        uint32_t chunk_h = height / 40;
784
 
        uint32_t found_colors[10] = { 0 };
785
 
        uint32_t num_found_colors = 0;
786
 
 
787
 
        if (rsc->vc4_format != VC4_TEXTURE_TYPE_RGBA32R) {
788
 
                fprintf(stderr, "%s: Unsupported format %s\n",
789
 
                        __func__, util_format_short_name(psurf->format));
790
 
                return;
791
 
        }
792
 
 
793
 
        for (int by = 0; by < height; by += chunk_h) {
794
 
                for (int bx = 0; bx < width; bx += chunk_w) {
795
 
                        int all_found_color = -1; /* nothing found */
796
 
 
797
 
                        for (int y = by; y < MIN2(height, by + chunk_h); y++) {
798
 
                                for (int x = bx; x < MIN2(width, bx + chunk_w); x++) {
799
 
                                        uint32_t pix = map[y * stride + x];
800
 
 
801
 
                                        int i;
802
 
                                        for (i = 0; i < num_found_colors; i++) {
803
 
                                                if (pix == found_colors[i])
804
 
                                                        break;
805
 
                                        }
806
 
                                        if (i == num_found_colors &&
807
 
                                            num_found_colors <
808
 
                                            ARRAY_SIZE(found_colors)) {
809
 
                                                found_colors[num_found_colors++] = pix;
810
 
                                        }
811
 
 
812
 
                                        if (i < num_found_colors) {
813
 
                                                if (all_found_color == -1)
814
 
                                                        all_found_color = i;
815
 
                                                else if (i != all_found_color)
816
 
                                                        all_found_color = ARRAY_SIZE(found_colors);
817
 
                                        }
818
 
                                }
819
 
                        }
820
 
                        /* If all pixels for this chunk have a consistent
821
 
                         * value, then print a character for it.  Either a
822
 
                         * fixed name (particularly common for piglit tests),
823
 
                         * or a runtime-generated number.
824
 
                         */
825
 
                        if (all_found_color >= 0 &&
826
 
                            all_found_color < ARRAY_SIZE(found_colors)) {
827
 
                                static const struct {
828
 
                                        uint32_t val;
829
 
                                        const char *c;
830
 
                                } named_colors[] = {
831
 
                                        { 0xff000000, "█" },
832
 
                                        { 0x00000000, "█" },
833
 
                                        { 0xffff0000, "r" },
834
 
                                        { 0xff00ff00, "g" },
835
 
                                        { 0xff0000ff, "b" },
836
 
                                        { 0xffffffff, "w" },
837
 
                                };
838
 
                                int i;
839
 
                                for (i = 0; i < ARRAY_SIZE(named_colors); i++) {
840
 
                                        if (named_colors[i].val ==
841
 
                                            found_colors[all_found_color]) {
842
 
                                                fprintf(stderr, "%s",
843
 
                                                        named_colors[i].c);
844
 
                                                break;
845
 
                                        }
846
 
                                }
847
 
                                /* For unnamed colors, print a number and the
848
 
                                 * numbers will have values printed at the
849
 
                                 * end.
850
 
                                 */
851
 
                                if (i == ARRAY_SIZE(named_colors)) {
852
 
                                        fprintf(stderr, "%c",
853
 
                                                '0' + all_found_color);
854
 
                                }
855
 
                        } else {
856
 
                                /* If there's no consistent color, print this.
857
 
                                 */
858
 
                                fprintf(stderr, ".");
859
 
                        }
860
 
                }
861
 
                fprintf(stderr, "\n");
862
 
        }
863
 
 
864
 
        for (int i = 0; i < num_found_colors; i++) {
865
 
                fprintf(stderr, "color %d: 0x%08x\n", i, found_colors[i]);
866
 
        }
867
 
}
868
 
 
869
 
static uint32_t
870
 
vc4_surface_msaa_get_sample(struct pipe_surface *psurf,
871
 
                            uint32_t x, uint32_t y, uint32_t sample)
872
 
{
873
 
        struct pipe_resource *prsc = psurf->texture;
874
 
        struct vc4_resource *rsc = vc4_resource(prsc);
875
 
        uint32_t tile_w = 32, tile_h = 32;
876
 
        uint32_t tiles_w = DIV_ROUND_UP(psurf->width, 32);
877
 
 
878
 
        uint32_t tile_x = x / tile_w;
879
 
        uint32_t tile_y = y / tile_h;
880
 
        uint32_t *tile = (vc4_bo_map(rsc->bo) +
881
 
                          VC4_TILE_BUFFER_SIZE * (tile_y * tiles_w + tile_x));
882
 
        uint32_t subtile_x = x % tile_w;
883
 
        uint32_t subtile_y = y % tile_h;
884
 
 
885
 
        uint32_t quad_samples = VC4_MAX_SAMPLES * 4;
886
 
        uint32_t tile_stride = quad_samples * tile_w / 2;
887
 
 
888
 
        return *((uint32_t *)tile +
889
 
                 (subtile_y >> 1) * tile_stride +
890
 
                 (subtile_x >> 1) * quad_samples +
891
 
                 ((subtile_y & 1) << 1) +
892
 
                 (subtile_x & 1) +
893
 
                 sample);
894
 
}
895
 
 
896
 
static void
897
 
vc4_dump_surface_msaa_char(struct pipe_surface *psurf,
898
 
                           uint32_t start_x, uint32_t start_y,
899
 
                           uint32_t w, uint32_t h)
900
 
{
901
 
        bool all_same_color = true;
902
 
        uint32_t all_pix = 0;
903
 
 
904
 
        for (int y = start_y; y < start_y + h; y++) {
905
 
                for (int x = start_x; x < start_x + w; x++) {
906
 
                        for (int s = 0; s < VC4_MAX_SAMPLES; s++) {
907
 
                                uint32_t pix = vc4_surface_msaa_get_sample(psurf,
908
 
                                                                           x, y,
909
 
                                                                           s);
910
 
                                if (x == start_x && y == start_y)
911
 
                                        all_pix = pix;
912
 
                                else if (all_pix != pix)
913
 
                                        all_same_color = false;
914
 
                        }
915
 
                }
916
 
        }
917
 
        if (all_same_color) {
918
 
                static const struct {
919
 
                        uint32_t val;
920
 
                        const char *c;
921
 
                } named_colors[] = {
922
 
                        { 0xff000000, "█" },
923
 
                        { 0x00000000, "█" },
924
 
                        { 0xffff0000, "r" },
925
 
                        { 0xff00ff00, "g" },
926
 
                        { 0xff0000ff, "b" },
927
 
                        { 0xffffffff, "w" },
928
 
                };
929
 
                int i;
930
 
                for (i = 0; i < ARRAY_SIZE(named_colors); i++) {
931
 
                        if (named_colors[i].val == all_pix) {
932
 
                                fprintf(stderr, "%s",
933
 
                                        named_colors[i].c);
934
 
                                return;
935
 
                        }
936
 
                }
937
 
                fprintf(stderr, "x");
938
 
        } else {
939
 
                fprintf(stderr, ".");
940
 
        }
941
 
}
942
 
 
943
 
static void
944
 
vc4_dump_surface_msaa(struct pipe_surface *psurf)
945
 
{
946
 
        uint32_t tile_w = 32, tile_h = 32;
947
 
        uint32_t tiles_w = DIV_ROUND_UP(psurf->width, tile_w);
948
 
        uint32_t tiles_h = DIV_ROUND_UP(psurf->height, tile_h);
949
 
        uint32_t char_w = 140, char_h = 60;
950
 
        uint32_t char_w_per_tile = char_w / tiles_w - 1;
951
 
        uint32_t char_h_per_tile = char_h / tiles_h - 1;
952
 
 
953
 
        fprintf(stderr, "Surface: %dx%d (%dx MSAA)\n",
954
 
                psurf->width, psurf->height, psurf->texture->nr_samples);
955
 
 
956
 
        for (int x = 0; x < (char_w_per_tile + 1) * tiles_w; x++)
957
 
                fprintf(stderr, "-");
958
 
        fprintf(stderr, "\n");
959
 
 
960
 
        for (int ty = 0; ty < psurf->height; ty += tile_h) {
961
 
                for (int y = 0; y < char_h_per_tile; y++) {
962
 
 
963
 
                        for (int tx = 0; tx < psurf->width; tx += tile_w) {
964
 
                                for (int x = 0; x < char_w_per_tile; x++) {
965
 
                                        uint32_t bx1 = (x * tile_w /
966
 
                                                        char_w_per_tile);
967
 
                                        uint32_t bx2 = ((x + 1) * tile_w /
968
 
                                                        char_w_per_tile);
969
 
                                        uint32_t by1 = (y * tile_h /
970
 
                                                        char_h_per_tile);
971
 
                                        uint32_t by2 = ((y + 1) * tile_h /
972
 
                                                        char_h_per_tile);
973
 
 
974
 
                                        vc4_dump_surface_msaa_char(psurf,
975
 
                                                                   tx + bx1,
976
 
                                                                   ty + by1,
977
 
                                                                   bx2 - bx1,
978
 
                                                                   by2 - by1);
979
 
                                }
980
 
                                fprintf(stderr, "|");
981
 
                        }
982
 
                        fprintf(stderr, "\n");
983
 
                }
984
 
 
985
 
                for (int x = 0; x < (char_w_per_tile + 1) * tiles_w; x++)
986
 
                        fprintf(stderr, "-");
987
 
                fprintf(stderr, "\n");
988
 
        }
989
 
}
990
 
 
991
 
/** Debug routine to dump the contents of an 8888 surface to the console */
992
 
void
993
 
vc4_dump_surface(struct pipe_surface *psurf)
994
 
{
995
 
        if (!psurf)
996
 
                return;
997
 
 
998
 
        if (psurf->texture->nr_samples > 1)
999
 
                vc4_dump_surface_msaa(psurf);
1000
 
        else
1001
 
                vc4_dump_surface_non_msaa(psurf);
1002
 
}
1003
 
 
1004
 
static void
1005
 
vc4_flush_resource(struct pipe_context *pctx, struct pipe_resource *resource)
1006
 
{
1007
 
        /* All calls to flush_resource are followed by a flush of the context,
1008
 
         * so there's nothing to do.
1009
 
         */
1010
 
}
1011
 
 
1012
 
void
1013
 
vc4_update_shadow_baselevel_texture(struct pipe_context *pctx,
1014
 
                                    struct pipe_sampler_view *pview)
1015
 
{
1016
 
        struct vc4_context *vc4 = vc4_context(pctx);
1017
 
        struct vc4_sampler_view *view = vc4_sampler_view(pview);
1018
 
        struct vc4_resource *shadow = vc4_resource(view->texture);
1019
 
        struct vc4_resource *orig = vc4_resource(pview->texture);
1020
 
 
1021
 
        assert(view->texture != pview->texture);
1022
 
 
1023
 
        if (shadow->writes == orig->writes && orig->bo->private)
1024
 
                return;
1025
 
 
1026
 
        perf_debug("Updating %dx%d@%d shadow texture due to %s\n",
1027
 
                   orig->base.width0, orig->base.height0,
1028
 
                   pview->u.tex.first_level,
1029
 
                   pview->u.tex.first_level ? "base level" : "raster layout");
1030
 
 
1031
 
        for (int i = 0; i <= shadow->base.last_level; i++) {
1032
 
                unsigned width = u_minify(shadow->base.width0, i);
1033
 
                unsigned height = u_minify(shadow->base.height0, i);
1034
 
                struct pipe_blit_info info = {
1035
 
                        .dst = {
1036
 
                                .resource = &shadow->base,
1037
 
                                .level = i,
1038
 
                                .box = {
1039
 
                                        .x = 0,
1040
 
                                        .y = 0,
1041
 
                                        .z = 0,
1042
 
                                        .width = width,
1043
 
                                        .height = height,
1044
 
                                        .depth = 1,
1045
 
                                },
1046
 
                                .format = shadow->base.format,
1047
 
                        },
1048
 
                        .src = {
1049
 
                                .resource = &orig->base,
1050
 
                                .level = pview->u.tex.first_level + i,
1051
 
                                .box = {
1052
 
                                        .x = 0,
1053
 
                                        .y = 0,
1054
 
                                        .z = 0,
1055
 
                                        .width = width,
1056
 
                                        .height = height,
1057
 
                                        .depth = 1,
1058
 
                                },
1059
 
                                .format = orig->base.format,
1060
 
                        },
1061
 
                        .mask = ~0,
1062
 
                };
1063
 
                pctx->blit(pctx, &info);
1064
 
        }
1065
 
 
1066
 
        shadow->writes = orig->writes;
1067
 
}
1068
 
 
1069
 
/**
1070
 
 * Converts a 4-byte index buffer to 2 bytes.
1071
 
 *
1072
 
 * Since GLES2 only has support for 1 and 2-byte indices, the hardware doesn't
1073
 
 * include 4-byte index support, and we have to shrink it down.
1074
 
 *
1075
 
 * There's no fallback support for when indices end up being larger than 2^16,
1076
 
 * though it will at least assertion fail.  Also, if the original index data
1077
 
 * was in user memory, it would be nice to not have uploaded it to a VBO
1078
 
 * before translating.
1079
 
 */
1080
 
struct pipe_resource *
1081
 
vc4_get_shadow_index_buffer(struct pipe_context *pctx,
1082
 
                            const struct pipe_draw_info *info,
1083
 
                            uint32_t offset,
1084
 
                            uint32_t count,
1085
 
                            uint32_t *shadow_offset)
1086
 
{
1087
 
        struct vc4_context *vc4 = vc4_context(pctx);
1088
 
        struct vc4_resource *orig = vc4_resource(info->index.resource);
1089
 
        perf_debug("Fallback conversion for %d uint indices\n", count);
1090
 
 
1091
 
        void *data;
1092
 
        struct pipe_resource *shadow_rsc = NULL;
1093
 
        u_upload_alloc(vc4->uploader, 0, count * 2, 4,
1094
 
                       shadow_offset, &shadow_rsc, &data);
1095
 
        uint16_t *dst = data;
1096
 
 
1097
 
        struct pipe_transfer *src_transfer = NULL;
1098
 
        const uint32_t *src;
1099
 
        if (info->has_user_indices) {
1100
 
                src = (uint32_t*)((char*)info->index.user + offset);
1101
 
        } else {
1102
 
                src = pipe_buffer_map_range(pctx, &orig->base,
1103
 
                                            offset,
1104
 
                                            count * 4,
1105
 
                                            PIPE_MAP_READ, &src_transfer);
1106
 
        }
1107
 
 
1108
 
        for (int i = 0; i < count; i++) {
1109
 
                uint32_t src_index = src[i];
1110
 
                assert(src_index <= 0xffff);
1111
 
                dst[i] = src_index;
1112
 
        }
1113
 
 
1114
 
        if (src_transfer)
1115
 
                pctx->buffer_unmap(pctx, src_transfer);
1116
 
 
1117
 
        return shadow_rsc;
1118
 
}
1119
 
 
1120
 
static const struct u_transfer_vtbl transfer_vtbl = {
1121
 
        .resource_create          = vc4_resource_create,
1122
 
        .resource_destroy         = vc4_resource_destroy,
1123
 
        .transfer_map             = vc4_resource_transfer_map,
1124
 
        .transfer_unmap           = vc4_resource_transfer_unmap,
1125
 
        .transfer_flush_region    = u_default_transfer_flush_region,
1126
 
};
1127
 
 
1128
 
void
1129
 
vc4_resource_screen_init(struct pipe_screen *pscreen)
1130
 
{
1131
 
        struct vc4_screen *screen = vc4_screen(pscreen);
1132
 
 
1133
 
        pscreen->resource_create = vc4_resource_create;
1134
 
        pscreen->resource_create_with_modifiers =
1135
 
                vc4_resource_create_with_modifiers;
1136
 
        pscreen->resource_from_handle = vc4_resource_from_handle;
1137
 
        pscreen->resource_get_handle = vc4_resource_get_handle;
1138
 
        pscreen->resource_get_param = vc4_resource_get_param;
1139
 
        pscreen->resource_destroy = vc4_resource_destroy;
1140
 
        pscreen->transfer_helper = u_transfer_helper_create(&transfer_vtbl,
1141
 
                                                            false, false,
1142
 
                                                            false, true,
1143
 
                                                            false);
1144
 
 
1145
 
        /* Test if the kernel has GET_TILING; it will return -EINVAL if the
1146
 
         * ioctl does not exist, but -ENOENT if we pass an impossible handle.
1147
 
         * 0 cannot be a valid GEM object, so use that.
1148
 
         */
1149
 
        struct drm_vc4_get_tiling get_tiling = {
1150
 
                .handle = 0x0,
1151
 
        };
1152
 
        int ret = vc4_ioctl(screen->fd, DRM_IOCTL_VC4_GET_TILING, &get_tiling);
1153
 
        if (ret == -1 && errno == ENOENT)
1154
 
                screen->has_tiling_ioctl = true;
1155
 
}
1156
 
 
1157
 
void
1158
 
vc4_resource_context_init(struct pipe_context *pctx)
1159
 
{
1160
 
        pctx->buffer_map = u_transfer_helper_transfer_map;
1161
 
        pctx->texture_map = u_transfer_helper_transfer_map;
1162
 
        pctx->transfer_flush_region = u_transfer_helper_transfer_flush_region;
1163
 
        pctx->buffer_unmap = u_transfer_helper_transfer_unmap;
1164
 
        pctx->texture_unmap = u_transfer_helper_transfer_unmap;
1165
 
        pctx->buffer_subdata = u_default_buffer_subdata;
1166
 
        pctx->texture_subdata = vc4_texture_subdata;
1167
 
        pctx->create_surface = vc4_create_surface;
1168
 
        pctx->surface_destroy = vc4_surface_destroy;
1169
 
        pctx->resource_copy_region = util_resource_copy_region;
1170
 
        pctx->blit = vc4_blit;
1171
 
        pctx->flush_resource = vc4_flush_resource;
1172
 
}