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