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/format/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 unsigned const_resource_plane_order_YUV[3] = {
  42    0,
  43    1,
  44    2
  45 };
  46
  47 const unsigned const_resource_plane_order_YVU[3] = {
  48    0,
  49    2,
  50    1
  51 };
  52
  53 void
  54 vl_get_video_buffer_formats(struct pipe_screen *screen, enum pipe_format format,
  55                             enum pipe_format out_format[VL_NUM_COMPONENTS])
  56 {
  57    unsigned num_planes = util_format_get_num_planes(format);
  58    unsigned i;
  59
  60    for (i = 0; i < num_planes; i++)
  61       out_format[i] = util_format_get_plane_format(format, i);
  62    for (; i < VL_NUM_COMPONENTS; i++)
  63       out_format[i] = PIPE_FORMAT_NONE;
  64
  65    if (format == PIPE_FORMAT_YUYV)
  66       out_format[0] = PIPE_FORMAT_R8G8_R8B8_UNORM;
  67    else if (format == PIPE_FORMAT_UYVY)
  68       out_format[0] = PIPE_FORMAT_G8R8_B8R8_UNORM;
  69 }
  70
  71 const unsigned *
  72 vl_video_buffer_plane_order(enum pipe_format format)
  73 {
  74    switch(format) {
  75    case PIPE_FORMAT_YV12:
  76       return const_resource_plane_order_YVU;
  77
  78    case PIPE_FORMAT_NV12:
  79    case PIPE_FORMAT_R8G8B8A8_UNORM:
  80    case PIPE_FORMAT_B8G8R8A8_UNORM:
  81    case PIPE_FORMAT_YUYV:
  82    case PIPE_FORMAT_UYVY:
  83    case PIPE_FORMAT_P010:
  84    case PIPE_FORMAT_P016:
  85       return const_resource_plane_order_YUV;
  86
  87    default:
  88       return NULL;
  89    }
  90 }
  91
  92 static enum pipe_format
  93 vl_video_buffer_surface_format(enum pipe_format format)
  94 {
  95    const struct util_format_description *desc = util_format_description(format);
  96
  97    /* a subsampled formats can't work as surface use RGBA instead */
  98    if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED)
  99       return PIPE_FORMAT_R8G8B8A8_UNORM;
 100
 101    return format;
 102 }
 103
 104 bool
 105 vl_video_buffer_is_format_supported(struct pipe_screen *screen,
 106                                     enum pipe_format format,
 107                                     enum pipe_video_profile profile,
 108                                     enum pipe_video_entrypoint entrypoint)
 109 {
 110    enum pipe_format resource_formats[VL_NUM_COMPONENTS];
 111    unsigned i;
 112
 113    vl_get_video_buffer_formats(screen, format, resource_formats);
 114
 115    for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
 116       enum pipe_format format = resource_formats[i];
 117
 118       if (format == PIPE_FORMAT_NONE)
 119          continue;
 120
 121       /* we at least need to sample from it */
 122       if (!screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, 0, PIPE_BIND_SAMPLER_VIEW))
 123          return false;
 124
 125       format = vl_video_buffer_surface_format(format);
 126       if (!screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, 0, PIPE_BIND_RENDER_TARGET))
 127          return false;
 128    }
 129
 130    return true;
 131 }
 132
 133 unsigned
 134 vl_video_buffer_max_size(struct pipe_screen *screen)
 135 {
 136    return screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_SIZE);
 137 }
 138
 139 void
 140 vl_video_buffer_set_associated_data(struct pipe_video_buffer *vbuf,
 141                                     struct pipe_video_codec *vcodec,
 142                                     void *associated_data,
 143                                     void (*destroy_associated_data)(void *))
 144 {
 145    vbuf->codec = vcodec;
 146
 147    if (vbuf->associated_data == associated_data)
 148       return;
 149
 150    if (vbuf->associated_data)
 151       vbuf->destroy_associated_data(vbuf->associated_data);
 152
 153    vbuf->associated_data = associated_data;
 154    vbuf->destroy_associated_data = destroy_associated_data;
 155 }
 156
 157 void *
 158 vl_video_buffer_get_associated_data(struct pipe_video_buffer *vbuf,
 159                                     struct pipe_video_codec *vcodec)
 160 {
 161    if (vbuf->codec == vcodec)
 162       return vbuf->associated_data;
 163    else
 164       return NULL;
 165 }
 166
 167 void
 168 vl_video_buffer_template(struct pipe_resource *templ,
 169                          const struct pipe_video_buffer *tmpl,
 170                          enum pipe_format resource_format,
 171                          unsigned depth, unsigned array_size,
 172                          unsigned usage, unsigned plane)
 173 {
 174    unsigned height = tmpl->height;
 175
 176    memset(templ, 0, sizeof(*templ));
 177    if (depth > 1)
 178       templ->target = PIPE_TEXTURE_3D;
 179    else if (array_size > 1)
 180       templ->target = PIPE_TEXTURE_2D_ARRAY;
 181    else
 182       templ->target = PIPE_TEXTURE_2D;
 183    templ->format = resource_format;
 184    templ->width0 = tmpl->width;
 185    templ->depth0 = depth;
 186    templ->array_size = array_size;
 187    templ->bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET | tmpl->bind;
 188    templ->usage = usage;
 189
 190    vl_video_buffer_adjust_size(&templ->width0, &height, plane,
 191                                pipe_format_to_chroma_format(tmpl->buffer_format), false);
 192    templ->height0 = height;
 193 }
 194
 195 static void
 196 vl_video_buffer_destroy(struct pipe_video_buffer *buffer)
 197 {
 198    struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
 199    unsigned i;
 200
 201    assert(buf);
 202
 203    for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
 204       pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL);
 205       pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
 206       pipe_resource_reference(&buf->resources[i], NULL);
 207    }
 208
 209    for (i = 0; i < VL_MAX_SURFACES; ++i)
 210       pipe_surface_reference(&buf->surfaces[i], NULL);
 211
 212    vl_video_buffer_set_associated_data(buffer, NULL, NULL, NULL);
 213
 214    FREE(buffer);
 215 }
 216
 217 static struct pipe_sampler_view **
 218 vl_video_buffer_sampler_view_planes(struct pipe_video_buffer *buffer)
 219 {
 220    struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
 221    struct pipe_sampler_view sv_templ;
 222    struct pipe_context *pipe;
 223    unsigned i;
 224
 225    assert(buf);
 226
 227    pipe = buf->base.context;
 228
 229    for (i = 0; i < buf->num_planes; ++i ) {
 230       if (!buf->sampler_view_planes[i]) {
 231          memset(&sv_templ, 0, sizeof(sv_templ));
 232          u_sampler_view_default_template(&sv_templ, buf->resources[i], buf->resources[i]->format);
 233
 234          if (util_format_get_nr_components(buf->resources[i]->format) == 1)
 235             sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = sv_templ.swizzle_a = PIPE_SWIZZLE_X;
 236
 237          buf->sampler_view_planes[i] = pipe->create_sampler_view(pipe, buf->resources[i], &sv_templ);
 238          if (!buf->sampler_view_planes[i])
 239             goto error;
 240       }
 241    }
 242
 243    return buf->sampler_view_planes;
 244
 245 error:
 246    for (i = 0; i < buf->num_planes; ++i )
 247       pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL);
 248
 249    return NULL;
 250 }
 251
 252 static struct pipe_sampler_view **
 253 vl_video_buffer_sampler_view_components(struct pipe_video_buffer *buffer)
 254 {
 255    struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
 256    struct pipe_sampler_view sv_templ;
 257    struct pipe_context *pipe;
 258    enum pipe_format sampler_format[VL_NUM_COMPONENTS];
 259    const unsigned *plane_order;
 260    unsigned i, j, component;
 261
 262    assert(buf);
 263
 264    pipe = buf->base.context;
 265
 266    vl_get_video_buffer_formats(pipe->screen, buf->base.buffer_format, sampler_format);
 267    plane_order = vl_video_buffer_plane_order(buf->base.buffer_format);
 268
 269    for (component = 0, i = 0; i < buf->num_planes; ++i ) {
 270       struct pipe_resource *res = buf->resources[plane_order[i]];
 271       const struct util_format_description *desc = util_format_description(res->format);
 272       unsigned nr_components = util_format_get_nr_components(res->format);
 273       if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED)
 274          nr_components = 3;
 275
 276       for (j = 0; j < nr_components && component < VL_NUM_COMPONENTS; ++j, ++component) {
 277          if (buf->sampler_view_components[component])
 278             continue;
 279
 280          memset(&sv_templ, 0, sizeof(sv_templ));
 281          u_sampler_view_default_template(&sv_templ, res, sampler_format[plane_order[i]]);
 282          sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = PIPE_SWIZZLE_X + j;
 283          sv_templ.swizzle_a = PIPE_SWIZZLE_1;
 284          buf->sampler_view_components[component] = pipe->create_sampler_view(pipe, res, &sv_templ);
 285          if (!buf->sampler_view_components[component])
 286             goto error;
 287       }
 288    }
 289    assert(component == VL_NUM_COMPONENTS);
 290
 291    return buf->sampler_view_components;
 292
 293 error:
 294    for (i = 0; i < VL_NUM_COMPONENTS; ++i )
 295       pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
 296
 297    return NULL;
 298 }
 299
 300 static struct pipe_surface **
 301 vl_video_buffer_surfaces(struct pipe_video_buffer *buffer)
 302 {
 303    struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
 304    struct pipe_surface surf_templ;
 305    struct pipe_context *pipe;
 306    unsigned i, j, array_size, surf;
 307
 308    assert(buf);
 309
 310    pipe = buf->base.context;
 311
 312    array_size = buffer->interlaced ? 2 : 1;
 313    for (i = 0, surf = 0; i < VL_NUM_COMPONENTS; ++i) {
 314       for (j = 0; j < array_size; ++j, ++surf) {
 315          assert(surf < VL_MAX_SURFACES);
 316
 317          if (!buf->resources[i]) {
 318             pipe_surface_reference(&buf->surfaces[surf], NULL);
 319             continue;
 320          }
 321
 322          if (!buf->surfaces[surf]) {
 323             memset(&surf_templ, 0, sizeof(surf_templ));
 324             surf_templ.format = vl_video_buffer_surface_format(buf->resources[i]->format);
 325             surf_templ.u.tex.first_layer = surf_templ.u.tex.last_layer = j;
 326             buf->surfaces[surf] = pipe->create_surface(pipe, buf->resources[i], &surf_templ);
 327             if (!buf->surfaces[surf])
 328                goto error;
 329          }
 330       }
 331    }
 332
 333    return buf->surfaces;
 334
 335 error:
 336    for (i = 0; i < VL_MAX_SURFACES; ++i )
 337       pipe_surface_reference(&buf->surfaces[i], NULL);
 338
 339    return NULL;
 340 }
 341
 342 struct pipe_video_buffer *
 343 vl_video_buffer_create(struct pipe_context *pipe,
 344                        const struct pipe_video_buffer *tmpl)
 345 {
 346    enum pipe_format resource_formats[VL_NUM_COMPONENTS];
 347    struct pipe_video_buffer templat, *result;
 348    bool pot_buffers;
 349
 350    assert(pipe);
 351    assert(tmpl->width > 0 && tmpl->height > 0);
 352
 353    pot_buffers = !pipe->screen->get_video_param
 354    (
 355       pipe->screen,
 356       PIPE_VIDEO_PROFILE_UNKNOWN,
 357       PIPE_VIDEO_ENTRYPOINT_UNKNOWN,
 358       PIPE_VIDEO_CAP_NPOT_TEXTURES
 359    );
 360
 361    vl_get_video_buffer_formats(pipe->screen, tmpl->buffer_format, resource_formats);
 362
 363    templat = *tmpl;
 364    templat.width = pot_buffers ? util_next_power_of_two(tmpl->width)
 365                  : align(tmpl->width, VL_MACROBLOCK_WIDTH);
 366    templat.height = pot_buffers ? util_next_power_of_two(tmpl->height)
 367                   : align(tmpl->height, VL_MACROBLOCK_HEIGHT);
 368
 369    if (tmpl->interlaced)
 370       templat.height /= 2;
 371
 372    result = vl_video_buffer_create_ex
 373    (
 374       pipe, &templat, resource_formats,
 375       1, tmpl->interlaced ? 2 : 1, PIPE_USAGE_DEFAULT
 376    );
 377
 378
 379    if (result && tmpl->interlaced)
 380       result->height *= 2;
 381
 382    return result;
 383 }
 384
 385 struct pipe_video_buffer *
 386 vl_video_buffer_create_ex(struct pipe_context *pipe,
 387                           const struct pipe_video_buffer *tmpl,
 388                           const enum pipe_format resource_formats[VL_NUM_COMPONENTS],
 389                           unsigned depth, unsigned array_size, unsigned usage)
 390 {
 391    struct pipe_resource res_tmpl;
 392    struct pipe_resource *resources[VL_NUM_COMPONENTS];
 393    unsigned i;
 394
 395    assert(pipe);
 396
 397    memset(resources, 0, sizeof resources);
 398
 399    vl_video_buffer_template(&res_tmpl, tmpl, resource_formats[0], depth, array_size, usage, 0);
 400    resources[0] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
 401    if (!resources[0])
 402       goto error;
 403
 404    if (resource_formats[1] == PIPE_FORMAT_NONE) {
 405       assert(resource_formats[2] == PIPE_FORMAT_NONE);
 406       return vl_video_buffer_create_ex2(pipe, tmpl, resources);
 407    }
 408
 409    vl_video_buffer_template(&res_tmpl, tmpl, resource_formats[1], depth, array_size, usage, 1);
 410    resources[1] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
 411    if (!resources[1])
 412       goto error;
 413
 414    if (resource_formats[2] == PIPE_FORMAT_NONE)
 415       return vl_video_buffer_create_ex2(pipe, tmpl, resources);
 416
 417    vl_video_buffer_template(&res_tmpl, tmpl, resource_formats[2], depth, array_size, usage, 2);
 418    resources[2] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
 419    if (!resources[2])
 420       goto error;
 421
 422    return vl_video_buffer_create_ex2(pipe, tmpl, resources);
 423
 424 error:
 425    for (i = 0; i < VL_NUM_COMPONENTS; ++i)
 426       pipe_resource_reference(&resources[i], NULL);
 427
 428    return NULL;
 429 }
 430
 431 struct pipe_video_buffer *
 432 vl_video_buffer_create_ex2(struct pipe_context *pipe,
 433                            const struct pipe_video_buffer *tmpl,
 434                            struct pipe_resource *resources[VL_NUM_COMPONENTS])
 435 {
 436    struct vl_video_buffer *buffer;
 437    unsigned i;
 438
 439    buffer = CALLOC_STRUCT(vl_video_buffer);
 440    if (!buffer)
 441       return NULL;
 442
 443    buffer->base = *tmpl;
 444    buffer->base.context = pipe;
 445    buffer->base.destroy = vl_video_buffer_destroy;
 446    buffer->base.get_sampler_view_planes = vl_video_buffer_sampler_view_planes;
 447    buffer->base.get_sampler_view_components = vl_video_buffer_sampler_view_components;
 448    buffer->base.get_surfaces = vl_video_buffer_surfaces;
 449    buffer->num_planes = 0;
 450
 451    for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
 452       buffer->resources[i] = resources[i];
 453       if (resources[i])
 454          buffer->num_planes++;
 455    }
 456
 457    return &buffer->base;
 458 }
 459
 460 /* Create pipe_video_buffer by using resource_create with planar formats. */
 461 struct pipe_video_buffer *
 462 vl_video_buffer_create_as_resource(struct pipe_context *pipe,
 463                                    const struct pipe_video_buffer *tmpl)
 464 {
 465    struct pipe_resource templ, *resources[VL_NUM_COMPONENTS] = {0};
 466    unsigned array_size =  tmpl->interlaced ? 2 : 1;
 467
 468    memset(&templ, 0, sizeof(templ));
 469    templ.target = array_size > 1 ? PIPE_TEXTURE_2D_ARRAY : PIPE_TEXTURE_2D;
 470    templ.width0 = align(tmpl->width, VL_MACROBLOCK_WIDTH);
 471    templ.height0 = align(tmpl->height / array_size, VL_MACROBLOCK_HEIGHT);
 472    templ.depth0 = 1;
 473    templ.array_size = array_size;
 474    templ.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET | tmpl->bind;
 475    templ.usage = PIPE_USAGE_DEFAULT;
 476
 477    if (tmpl->buffer_format == PIPE_FORMAT_YUYV)
 478       templ.format = PIPE_FORMAT_R8G8_R8B8_UNORM;
 479    else if (tmpl->buffer_format == PIPE_FORMAT_UYVY)
 480       templ.format = PIPE_FORMAT_G8R8_B8R8_UNORM;
 481    else
 482       templ.format = tmpl->buffer_format;
 483
 484    resources[0] = pipe->screen->resource_create(pipe->screen, &templ);
 485    if (!resources[0])
 486       return NULL;
 487
 488    if (resources[0]->next) {
 489       pipe_resource_reference(&resources[1], resources[0]->next);
 490       if (resources[1]->next)
 491          pipe_resource_reference(&resources[2], resources[1]->next);
 492    }
 493
 494    struct pipe_video_buffer vidtemplate = *tmpl;
 495    vidtemplate.width = templ.width0;
 496    vidtemplate.height = templ.height0 * array_size;
 497    return vl_video_buffer_create_ex2(pipe, &vidtemplate, resources);
 498 }