src/gallium/auxiliary/vl/vl_video_buffer.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2011 Christian König.
   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 VMWARE 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 <assert.h>
  29
  30 #include "pipe/p_screen.h"
  31 #include "pipe/p_context.h"
  32 #include "pipe/p_state.h"
  33
  34 #include "util/u_format.h"
  35 #include "util/u_inlines.h"
  36 #include "util/u_sampler.h"
  37 #include "util/u_memory.h"
  38
  39 #include "vl_video_buffer.h"
  40
  41 const enum pipe_format const_resource_formats_YV12[3] = {
  42    PIPE_FORMAT_R8_UNORM,
  43    PIPE_FORMAT_R8_UNORM,
  44    PIPE_FORMAT_R8_UNORM
  45 };
  46
  47 const enum pipe_format const_resource_formats_NV12[3] = {
  48    PIPE_FORMAT_R8_UNORM,
  49    PIPE_FORMAT_R8G8_UNORM,
  50    PIPE_FORMAT_NONE
  51 };
  52
  53 const enum pipe_format const_resource_formats_YUVA[3] = {
  54    PIPE_FORMAT_R8G8B8A8_UNORM,
  55    PIPE_FORMAT_NONE,
  56    PIPE_FORMAT_NONE
  57 };
  58
  59 const enum pipe_format const_resource_formats_VUYA[3] = {
  60    PIPE_FORMAT_B8G8R8A8_UNORM,
  61    PIPE_FORMAT_NONE,
  62    PIPE_FORMAT_NONE
  63 };
  64
  65 const enum pipe_format const_resource_formats_YUVX[3] = {
  66    PIPE_FORMAT_R8G8B8X8_UNORM,
  67    PIPE_FORMAT_NONE,
  68    PIPE_FORMAT_NONE
  69 };
  70
  71 const enum pipe_format const_resource_formats_VUYX[3] = {
  72    PIPE_FORMAT_B8G8R8X8_UNORM,
  73    PIPE_FORMAT_NONE,
  74    PIPE_FORMAT_NONE
  75 };
  76
  77 const enum pipe_format const_resource_formats_YUYV[3] = {
  78    PIPE_FORMAT_R8G8_R8B8_UNORM,
  79    PIPE_FORMAT_NONE,
  80    PIPE_FORMAT_NONE
  81 };
  82
  83 const enum pipe_format const_resource_formats_UYVY[3] = {
  84    PIPE_FORMAT_G8R8_B8R8_UNORM,
  85    PIPE_FORMAT_NONE,
  86    PIPE_FORMAT_NONE
  87 };
  88
  89 const unsigned const_resource_plane_order_YUV[3] = {
  90    0,
  91    1,
  92    2
  93 };
  94
  95 const unsigned const_resource_plane_order_YVU[3] = {
  96    0,
  97    2,
  98    1
  99 };
 100
 101 const enum pipe_format *
 102 vl_video_buffer_formats(struct pipe_screen *screen, enum pipe_format format)
 103 {
 104    switch(format) {
 105    case PIPE_FORMAT_YV12:
 106       return const_resource_formats_YV12;
 107
 108    case PIPE_FORMAT_NV12:
 109       return const_resource_formats_NV12;
 110
 111    case PIPE_FORMAT_R8G8B8A8_UNORM:
 112       return const_resource_formats_YUVA;
 113
 114    case PIPE_FORMAT_B8G8R8A8_UNORM:
 115       return const_resource_formats_VUYA;
 116
 117    case PIPE_FORMAT_R8G8B8X8_UNORM:
 118       return const_resource_formats_YUVX;
 119
 120    case PIPE_FORMAT_B8G8R8X8_UNORM:
 121       return const_resource_formats_VUYX;
 122
 123    case PIPE_FORMAT_YUYV:
 124       return const_resource_formats_YUYV;
 125
 126    case PIPE_FORMAT_UYVY:
 127       return const_resource_formats_UYVY;
 128
 129    default:
 130       return NULL;
 131    }
 132 }
 133
 134 const unsigned *
 135 vl_video_buffer_plane_order(enum pipe_format format)
 136 {
 137    switch(format) {
 138    case PIPE_FORMAT_YV12:
 139       return const_resource_plane_order_YVU;
 140
 141    case PIPE_FORMAT_NV12:
 142    case PIPE_FORMAT_R8G8B8A8_UNORM:
 143    case PIPE_FORMAT_B8G8R8A8_UNORM:
 144    case PIPE_FORMAT_YUYV:
 145    case PIPE_FORMAT_UYVY:
 146       return const_resource_plane_order_YUV;
 147
 148    default:
 149       return NULL;
 150    }
 151 }
 152
 153 static enum pipe_format
 154 vl_video_buffer_surface_format(enum pipe_format format)
 155 {
 156    const struct util_format_description *desc = util_format_description(format);
 157
 158    /* a subsampled formats can't work as surface use RGBA instead */
 159    if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED)
 160       return PIPE_FORMAT_R8G8B8A8_UNORM;
 161
 162    return format;
 163 }
 164
 165 boolean
 166 vl_video_buffer_is_format_supported(struct pipe_screen *screen,
 167                                     enum pipe_format format,
 168                                     enum pipe_video_profile profile,
 169                                     enum pipe_video_entrypoint entrypoint)
 170 {
 171    const enum pipe_format *resource_formats;
 172    unsigned i;
 173
 174    resource_formats = vl_video_buffer_formats(screen, format);
 175    if (!resource_formats)
 176       return false;
 177
 178    for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
 179       enum pipe_format format = resource_formats[i];
 180
 181       if (format == PIPE_FORMAT_NONE)
 182          continue;
 183
 184       /* we at least need to sample from it */
 185       if (!screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW))
 186          return false;
 187
 188       format = vl_video_buffer_surface_format(format);
 189       if (!screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, PIPE_BIND_RENDER_TARGET))
 190          return false;
 191    }
 192
 193    return true;
 194 }
 195
 196 unsigned
 197 vl_video_buffer_max_size(struct pipe_screen *screen)
 198 {
 199    uint32_t max_2d_texture_level;
 200
 201    max_2d_texture_level = screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS);
 202
 203    return 1 << (max_2d_texture_level-1);
 204 }
 205
 206 void
 207 vl_video_buffer_set_associated_data(struct pipe_video_buffer *vbuf,
 208                                     struct pipe_video_codec *vcodec,
 209                                     void *associated_data,
 210                                     void (*destroy_associated_data)(void *))
 211 {
 212    vbuf->codec = vcodec;
 213
 214    if (vbuf->associated_data == associated_data)
 215       return;
 216
 217    if (vbuf->associated_data)
 218       vbuf->destroy_associated_data(vbuf->associated_data);
 219
 220    vbuf->associated_data = associated_data;
 221    vbuf->destroy_associated_data = destroy_associated_data;
 222 }
 223
 224 void *
 225 vl_video_buffer_get_associated_data(struct pipe_video_buffer *vbuf,
 226                                     struct pipe_video_codec *vcodec)
 227 {
 228    if (vbuf->codec == vcodec)
 229       return vbuf->associated_data;
 230    else
 231       return NULL;
 232 }
 233
 234 void
 235 vl_video_buffer_template(struct pipe_resource *templ,
 236                          const struct pipe_video_buffer *tmpl,
 237                          enum pipe_format resource_format,
 238                          unsigned depth, unsigned array_size,
 239                          unsigned usage, unsigned plane)
 240 {
 241    memset(templ, 0, sizeof(*templ));
 242    if (depth > 1)
 243       templ->target = PIPE_TEXTURE_3D;
 244    else if (array_size > 1)
 245       templ->target = PIPE_TEXTURE_2D_ARRAY;
 246    else
 247       templ->target = PIPE_TEXTURE_2D;
 248    templ->format = resource_format;
 249    templ->width0 = tmpl->width;
 250    templ->height0 = tmpl->height;
 251    templ->depth0 = depth;
 252    templ->array_size = array_size;
 253    templ->bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
 254    templ->usage = usage;
 255
 256    if (plane > 0) {
 257       if (tmpl->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420) {
 258          templ->width0 /= 2;
 259          templ->height0 /= 2;
 260       } else if (tmpl->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_422) {
 261          templ->width0 /= 2;
 262       }
 263    }
 264 }
 265
 266 static void
 267 vl_video_buffer_destroy(struct pipe_video_buffer *buffer)
 268 {
 269    struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
 270    unsigned i;
 271
 272    assert(buf);
 273
 274    for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
 275       pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL);
 276       pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
 277       pipe_resource_reference(&buf->resources[i], NULL);
 278    }
 279
 280    for (i = 0; i < VL_MAX_SURFACES; ++i)
 281       pipe_surface_reference(&buf->surfaces[i], NULL);
 282
 283    vl_video_buffer_set_associated_data(buffer, NULL, NULL, NULL);
 284
 285    FREE(buffer);
 286 }
 287
 288 static struct pipe_sampler_view **
 289 vl_video_buffer_sampler_view_planes(struct pipe_video_buffer *buffer)
 290 {
 291    struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
 292    struct pipe_sampler_view sv_templ;
 293    struct pipe_context *pipe;
 294    unsigned i;
 295
 296    assert(buf);
 297
 298    pipe = buf->base.context;
 299
 300    for (i = 0; i < buf->num_planes; ++i ) {
 301       if (!buf->sampler_view_planes[i]) {
 302          memset(&sv_templ, 0, sizeof(sv_templ));
 303          u_sampler_view_default_template(&sv_templ, buf->resources[i], buf->resources[i]->format);
 304
 305          if (util_format_get_nr_components(buf->resources[i]->format) == 1)
 306             sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = sv_templ.swizzle_a = PIPE_SWIZZLE_RED;
 307
 308          buf->sampler_view_planes[i] = pipe->create_sampler_view(pipe, buf->resources[i], &sv_templ);
 309          if (!buf->sampler_view_planes[i])
 310             goto error;
 311       }
 312    }
 313
 314    return buf->sampler_view_planes;
 315
 316 error:
 317    for (i = 0; i < buf->num_planes; ++i )
 318       pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL);
 319
 320    return NULL;
 321 }
 322
 323 static struct pipe_sampler_view **
 324 vl_video_buffer_sampler_view_components(struct pipe_video_buffer *buffer)
 325 {
 326    struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
 327    struct pipe_sampler_view sv_templ;
 328    struct pipe_context *pipe;
 329    const enum pipe_format *sampler_format;
 330    const unsigned *plane_order;
 331    unsigned i, j, component;
 332
 333    assert(buf);
 334
 335    pipe = buf->base.context;
 336
 337    sampler_format = vl_video_buffer_formats(pipe->screen, buf->base.buffer_format);
 338    plane_order = vl_video_buffer_plane_order(buf->base.buffer_format);
 339
 340    for (component = 0, i = 0; i < buf->num_planes; ++i ) {
 341       struct pipe_resource *res = buf->resources[plane_order[i]];
 342       const struct util_format_description *desc = util_format_description(res->format);
 343       unsigned nr_components = util_format_get_nr_components(res->format);
 344       if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED)
 345          nr_components = 3;
 346
 347       for (j = 0; j < nr_components && component < VL_NUM_COMPONENTS; ++j, ++component) {
 348          if (buf->sampler_view_components[component])
 349             continue;
 350
 351          memset(&sv_templ, 0, sizeof(sv_templ));
 352          u_sampler_view_default_template(&sv_templ, res, sampler_format[plane_order[i]]);
 353          sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = PIPE_SWIZZLE_RED + j;
 354          sv_templ.swizzle_a = PIPE_SWIZZLE_ONE;
 355          buf->sampler_view_components[component] = pipe->create_sampler_view(pipe, res, &sv_templ);
 356          if (!buf->sampler_view_components[component])
 357             goto error;
 358       }
 359    }
 360    assert(component == VL_NUM_COMPONENTS);
 361
 362    return buf->sampler_view_components;
 363
 364 error:
 365    for (i = 0; i < VL_NUM_COMPONENTS; ++i )
 366       pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
 367
 368    return NULL;
 369 }
 370
 371 static struct pipe_surface **
 372 vl_video_buffer_surfaces(struct pipe_video_buffer *buffer)
 373 {
 374    struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
 375    struct pipe_surface surf_templ;
 376    struct pipe_context *pipe;
 377    unsigned i, j, array_size, surf;
 378
 379    assert(buf);
 380
 381    pipe = buf->base.context;
 382
 383    array_size = buffer->interlaced ? 2 : 1;
 384    for (i = 0, surf = 0; i < VL_NUM_COMPONENTS; ++i) {
 385       for (j = 0; j < array_size; ++j, ++surf) {
 386          assert(surf < VL_MAX_SURFACES);
 387
 388          if (!buf->resources[i]) {
 389             pipe_surface_reference(&buf->surfaces[surf], NULL);
 390             continue;
 391          }
 392
 393          if (!buf->surfaces[surf]) {
 394             memset(&surf_templ, 0, sizeof(surf_templ));
 395             surf_templ.format = vl_video_buffer_surface_format(buf->resources[i]->format);
 396             surf_templ.u.tex.first_layer = surf_templ.u.tex.last_layer = j;
 397             buf->surfaces[surf] = pipe->create_surface(pipe, buf->resources[i], &surf_templ);
 398             if (!buf->surfaces[surf])
 399                goto error;
 400          }
 401       }
 402    }
 403
 404    return buf->surfaces;
 405
 406 error:
 407    for (i = 0; i < VL_MAX_SURFACES; ++i )
 408       pipe_surface_reference(&buf->surfaces[i], NULL);
 409
 410    return NULL;
 411 }
 412
 413 struct pipe_video_buffer *
 414 vl_video_buffer_create(struct pipe_context *pipe,
 415                        const struct pipe_video_buffer *tmpl)
 416 {
 417    const enum pipe_format *resource_formats;
 418    struct pipe_video_buffer templat, *result;
 419    bool pot_buffers;
 420
 421    assert(pipe);
 422    assert(tmpl->width > 0 && tmpl->height > 0);
 423
 424    pot_buffers = !pipe->screen->get_video_param
 425    (
 426       pipe->screen,
 427       PIPE_VIDEO_PROFILE_UNKNOWN,
 428       PIPE_VIDEO_ENTRYPOINT_UNKNOWN,
 429       PIPE_VIDEO_CAP_NPOT_TEXTURES
 430    );
 431
 432    resource_formats = vl_video_buffer_formats(pipe->screen, tmpl->buffer_format);
 433    if (!resource_formats)
 434       return NULL;
 435
 436    templat = *tmpl;
 437    templat.width = pot_buffers ? util_next_power_of_two(tmpl->width)
 438                  : align(tmpl->width, VL_MACROBLOCK_WIDTH);
 439    templat.height = pot_buffers ? util_next_power_of_two(tmpl->height)
 440                   : align(tmpl->height, VL_MACROBLOCK_HEIGHT);
 441
 442    if (tmpl->interlaced)
 443       templat.height /= 2;
 444
 445    result = vl_video_buffer_create_ex
 446    (
 447       pipe, &templat, resource_formats,
 448       1, tmpl->interlaced ? 2 : 1, PIPE_USAGE_DEFAULT
 449    );
 450
 451
 452    if (result && tmpl->interlaced)
 453       result->height *= 2;
 454
 455    return result;
 456 }
 457
 458 struct pipe_video_buffer *
 459 vl_video_buffer_create_ex(struct pipe_context *pipe,
 460                           const struct pipe_video_buffer *tmpl,
 461                           const enum pipe_format resource_formats[VL_NUM_COMPONENTS],
 462                           unsigned depth, unsigned array_size, unsigned usage)
 463 {
 464    struct pipe_resource res_tmpl;
 465    struct pipe_resource *resources[VL_NUM_COMPONENTS];
 466    unsigned i;
 467
 468    assert(pipe);
 469
 470    memset(resources, 0, sizeof resources);
 471
 472    vl_video_buffer_template(&res_tmpl, tmpl, resource_formats[0], depth, array_size, usage, 0);
 473    resources[0] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
 474    if (!resources[0])
 475       goto error;
 476
 477    if (resource_formats[1] == PIPE_FORMAT_NONE) {
 478       assert(resource_formats[2] == PIPE_FORMAT_NONE);
 479       return vl_video_buffer_create_ex2(pipe, tmpl, resources);
 480    }
 481
 482    vl_video_buffer_template(&res_tmpl, tmpl, resource_formats[1], depth, array_size, usage, 1);
 483    resources[1] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
 484    if (!resources[1])
 485       goto error;
 486
 487    if (resource_formats[2] == PIPE_FORMAT_NONE)
 488       return vl_video_buffer_create_ex2(pipe, tmpl, resources);
 489
 490    vl_video_buffer_template(&res_tmpl, tmpl, resource_formats[2], depth, array_size, usage, 2);
 491    resources[2] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
 492    if (!resources[2])
 493       goto error;
 494
 495    return vl_video_buffer_create_ex2(pipe, tmpl, resources);
 496
 497 error:
 498    for (i = 0; i < VL_NUM_COMPONENTS; ++i)
 499       pipe_resource_reference(&resources[i], NULL);
 500
 501    return NULL;
 502 }
 503
 504 struct pipe_video_buffer *
 505 vl_video_buffer_create_ex2(struct pipe_context *pipe,
 506                            const struct pipe_video_buffer *tmpl,
 507                            struct pipe_resource *resources[VL_NUM_COMPONENTS])
 508 {
 509    struct vl_video_buffer *buffer;
 510    unsigned i;
 511
 512    buffer = CALLOC_STRUCT(vl_video_buffer);
 513    if (!buffer)
 514       return NULL;
 515
 516    buffer->base = *tmpl;
 517    buffer->base.context = pipe;
 518    buffer->base.destroy = vl_video_buffer_destroy;
 519    buffer->base.get_sampler_view_planes = vl_video_buffer_sampler_view_planes;
 520    buffer->base.get_sampler_view_components = vl_video_buffer_sampler_view_components;
 521    buffer->base.get_surfaces = vl_video_buffer_surfaces;
 522    buffer->num_planes = 0;
 523
 524    for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
 525       buffer->resources[i] = resources[i];
 526       if (resources[i])
 527          buffer->num_planes++;
 528    }
 529
 530    return &buffer->base;
 531 }