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_P016:
  84       return const_resource_plane_order_YUV;
  85
  86    default:
  87       return NULL;
  88    }
  89 }
  90
  91 static enum pipe_format
  92 vl_video_buffer_surface_format(enum pipe_format format)
  93 {
  94    const struct util_format_description *desc = util_format_description(format);
  95
  96    /* a subsampled formats can't work as surface use RGBA instead */
  97    if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED)
  98       return PIPE_FORMAT_R8G8B8A8_UNORM;
  99
 100    return format;
 101 }
 102
 103 bool
 104 vl_video_buffer_is_format_supported(struct pipe_screen *screen,
 105                                     enum pipe_format format,
 106                                     enum pipe_video_profile profile,
 107                                     enum pipe_video_entrypoint entrypoint)
 108 {
 109    enum pipe_format resource_formats[VL_NUM_COMPONENTS];
 110    unsigned i;
 111
 112    vl_get_video_buffer_formats(screen, format, resource_formats);
 113
 114    for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
 115       enum pipe_format format = resource_formats[i];
 116
 117       if (format == PIPE_FORMAT_NONE)
 118          continue;
 119
 120       /* we at least need to sample from it */
 121       if (!screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, 0, PIPE_BIND_SAMPLER_VIEW))
 122          return false;
 123
 124       format = vl_video_buffer_surface_format(format);
 125       if (!screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0, 0, PIPE_BIND_RENDER_TARGET))
 126          return false;
 127    }
 128
 129    return true;
 130 }
 131
 132 unsigned
 133 vl_video_buffer_max_size(struct pipe_screen *screen)
 134 {
 135    return screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_SIZE);
 136 }
 137
 138 void
 139 vl_video_buffer_set_associated_data(struct pipe_video_buffer *vbuf,
 140                                     struct pipe_video_codec *vcodec,
 141                                     void *associated_data,
 142                                     void (*destroy_associated_data)(void *))
 143 {
 144    vbuf->codec = vcodec;
 145
 146    if (vbuf->associated_data == associated_data)
 147       return;
 148
 149    if (vbuf->associated_data)
 150       vbuf->destroy_associated_data(vbuf->associated_data);
 151
 152    vbuf->associated_data = associated_data;
 153    vbuf->destroy_associated_data = destroy_associated_data;
 154 }
 155
 156 void *
 157 vl_video_buffer_get_associated_data(struct pipe_video_buffer *vbuf,
 158                                     struct pipe_video_codec *vcodec)
 159 {
 160    if (vbuf->codec == vcodec)
 161       return vbuf->associated_data;
 162    else
 163       return NULL;
 164 }
 165
 166 void
 167 vl_video_buffer_template(struct pipe_resource *templ,
 168                          const struct pipe_video_buffer *tmpl,
 169                          enum pipe_format resource_format,
 170                          unsigned depth, unsigned array_size,
 171                          unsigned usage, unsigned plane)
 172 {
 173    unsigned height = tmpl->height;
 174
 175    memset(templ, 0, sizeof(*templ));
 176    if (depth > 1)
 177       templ->target = PIPE_TEXTURE_3D;
 178    else if (array_size > 1)
 179       templ->target = PIPE_TEXTURE_2D_ARRAY;
 180    else
 181       templ->target = PIPE_TEXTURE_2D;
 182    templ->format = resource_format;
 183    templ->width0 = tmpl->width;
 184    templ->depth0 = depth;
 185    templ->array_size = array_size;
 186    templ->bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET | tmpl->bind;
 187    templ->usage = usage;
 188
 189    vl_video_buffer_adjust_size(&templ->width0, &height, plane,
 190                                tmpl->chroma_format, false);
 191    templ->height0 = height;
 192 }
 193
 194 static void
 195 vl_video_buffer_destroy(struct pipe_video_buffer *buffer)
 196 {
 197    struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
 198    unsigned i;
 199
 200    assert(buf);
 201
 202    for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
 203       pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL);
 204       pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
 205       pipe_resource_reference(&buf->resources[i], NULL);
 206    }
 207
 208    for (i = 0; i < VL_MAX_SURFACES; ++i)
 209       pipe_surface_reference(&buf->surfaces[i], NULL);
 210
 211    vl_video_buffer_set_associated_data(buffer, NULL, NULL, NULL);
 212
 213    FREE(buffer);
 214 }
 215
 216 static struct pipe_sampler_view **
 217 vl_video_buffer_sampler_view_planes(struct pipe_video_buffer *buffer)
 218 {
 219    struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
 220    struct pipe_sampler_view sv_templ;
 221    struct pipe_context *pipe;
 222    unsigned i;
 223
 224    assert(buf);
 225
 226    pipe = buf->base.context;
 227
 228    for (i = 0; i < buf->num_planes; ++i ) {
 229       if (!buf->sampler_view_planes[i]) {
 230          memset(&sv_templ, 0, sizeof(sv_templ));
 231          u_sampler_view_default_template(&sv_templ, buf->resources[i], buf->resources[i]->format);
 232
 233          if (util_format_get_nr_components(buf->resources[i]->format) == 1)
 234             sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = sv_templ.swizzle_a = PIPE_SWIZZLE_X;
 235
 236          buf->sampler_view_planes[i] = pipe->create_sampler_view(pipe, buf->resources[i], &sv_templ);
 237          if (!buf->sampler_view_planes[i])
 238             goto error;
 239       }
 240    }
 241
 242    return buf->sampler_view_planes;
 243
 244 error:
 245    for (i = 0; i < buf->num_planes; ++i )
 246       pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL);
 247
 248    return NULL;
 249 }
 250
 251 static struct pipe_sampler_view **
 252 vl_video_buffer_sampler_view_components(struct pipe_video_buffer *buffer)
 253 {
 254    struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
 255    struct pipe_sampler_view sv_templ;
 256    struct pipe_context *pipe;
 257    enum pipe_format sampler_format[VL_NUM_COMPONENTS];
 258    const unsigned *plane_order;
 259    unsigned i, j, component;
 260
 261    assert(buf);
 262
 263    pipe = buf->base.context;
 264
 265    vl_get_video_buffer_formats(pipe->screen, buf->base.buffer_format, sampler_format);
 266    plane_order = vl_video_buffer_plane_order(buf->base.buffer_format);
 267
 268    for (component = 0, i = 0; i < buf->num_planes; ++i ) {
 269       struct pipe_resource *res = buf->resources[plane_order[i]];
 270       const struct util_format_description *desc = util_format_description(res->format);
 271       unsigned nr_components = util_format_get_nr_components(res->format);
 272       if (desc->layout == UTIL_FORMAT_LAYOUT_SUBSAMPLED)
 273          nr_components = 3;
 274
 275       for (j = 0; j < nr_components && component < VL_NUM_COMPONENTS; ++j, ++component) {
 276          if (buf->sampler_view_components[component])
 277             continue;
 278
 279          memset(&sv_templ, 0, sizeof(sv_templ));
 280          u_sampler_view_default_template(&sv_templ, res, sampler_format[plane_order[i]]);
 281          sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = PIPE_SWIZZLE_X + j;
 282          sv_templ.swizzle_a = PIPE_SWIZZLE_1;
 283          buf->sampler_view_components[component] = pipe->create_sampler_view(pipe, res, &sv_templ);
 284          if (!buf->sampler_view_components[component])
 285             goto error;
 286       }
 287    }
 288    assert(component == VL_NUM_COMPONENTS);
 289
 290    return buf->sampler_view_components;
 291
 292 error:
 293    for (i = 0; i < VL_NUM_COMPONENTS; ++i )
 294       pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
 295
 296    return NULL;
 297 }
 298
 299 static struct pipe_surface **
 300 vl_video_buffer_surfaces(struct pipe_video_buffer *buffer)
 301 {
 302    struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
 303    struct pipe_surface surf_templ;
 304    struct pipe_context *pipe;
 305    unsigned i, j, array_size, surf;
 306
 307    assert(buf);
 308
 309    pipe = buf->base.context;
 310
 311    array_size = buffer->interlaced ? 2 : 1;
 312    for (i = 0, surf = 0; i < VL_NUM_COMPONENTS; ++i) {
 313       for (j = 0; j < array_size; ++j, ++surf) {
 314          assert(surf < VL_MAX_SURFACES);
 315
 316          if (!buf->resources[i]) {
 317             pipe_surface_reference(&buf->surfaces[surf], NULL);
 318             continue;
 319          }
 320
 321          if (!buf->surfaces[surf]) {
 322             memset(&surf_templ, 0, sizeof(surf_templ));
 323             surf_templ.format = vl_video_buffer_surface_format(buf->resources[i]->format);
 324             surf_templ.u.tex.first_layer = surf_templ.u.tex.last_layer = j;
 325             buf->surfaces[surf] = pipe->create_surface(pipe, buf->resources[i], &surf_templ);
 326             if (!buf->surfaces[surf])
 327                goto error;
 328          }
 329       }
 330    }
 331
 332    return buf->surfaces;
 333
 334 error:
 335    for (i = 0; i < VL_MAX_SURFACES; ++i )
 336       pipe_surface_reference(&buf->surfaces[i], NULL);
 337
 338    return NULL;
 339 }
 340
 341 struct pipe_video_buffer *
 342 vl_video_buffer_create(struct pipe_context *pipe,
 343                        const struct pipe_video_buffer *tmpl)
 344 {
 345    enum pipe_format resource_formats[VL_NUM_COMPONENTS];
 346    struct pipe_video_buffer templat, *result;
 347    bool pot_buffers;
 348
 349    assert(pipe);
 350    assert(tmpl->width > 0 && tmpl->height > 0);
 351
 352    pot_buffers = !pipe->screen->get_video_param
 353    (
 354       pipe->screen,
 355       PIPE_VIDEO_PROFILE_UNKNOWN,
 356       PIPE_VIDEO_ENTRYPOINT_UNKNOWN,
 357       PIPE_VIDEO_CAP_NPOT_TEXTURES
 358    );
 359
 360    vl_get_video_buffer_formats(pipe->screen, tmpl->buffer_format, resource_formats);
 361
 362    templat = *tmpl;
 363    templat.width = pot_buffers ? util_next_power_of_two(tmpl->width)
 364                  : align(tmpl->width, VL_MACROBLOCK_WIDTH);
 365    templat.height = pot_buffers ? util_next_power_of_two(tmpl->height)
 366                   : align(tmpl->height, VL_MACROBLOCK_HEIGHT);
 367
 368    if (tmpl->interlaced)
 369       templat.height /= 2;
 370
 371    result = vl_video_buffer_create_ex
 372    (
 373       pipe, &templat, resource_formats,
 374       1, tmpl->interlaced ? 2 : 1, PIPE_USAGE_DEFAULT
 375    );
 376
 377
 378    if (result && tmpl->interlaced)
 379       result->height *= 2;
 380
 381    return result;
 382 }
 383
 384 struct pipe_video_buffer *
 385 vl_video_buffer_create_ex(struct pipe_context *pipe,
 386                           const struct pipe_video_buffer *tmpl,
 387                           const enum pipe_format resource_formats[VL_NUM_COMPONENTS],
 388                           unsigned depth, unsigned array_size, unsigned usage)
 389 {
 390    struct pipe_resource res_tmpl;
 391    struct pipe_resource *resources[VL_NUM_COMPONENTS];
 392    unsigned i;
 393
 394    assert(pipe);
 395
 396    memset(resources, 0, sizeof resources);
 397
 398    vl_video_buffer_template(&res_tmpl, tmpl, resource_formats[0], depth, array_size, usage, 0);
 399    resources[0] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
 400    if (!resources[0])
 401       goto error;
 402
 403    if (resource_formats[1] == PIPE_FORMAT_NONE) {
 404       assert(resource_formats[2] == PIPE_FORMAT_NONE);
 405       return vl_video_buffer_create_ex2(pipe, tmpl, resources);
 406    }
 407
 408    vl_video_buffer_template(&res_tmpl, tmpl, resource_formats[1], depth, array_size, usage, 1);
 409    resources[1] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
 410    if (!resources[1])
 411       goto error;
 412
 413    if (resource_formats[2] == PIPE_FORMAT_NONE)
 414       return vl_video_buffer_create_ex2(pipe, tmpl, resources);
 415
 416    vl_video_buffer_template(&res_tmpl, tmpl, resource_formats[2], depth, array_size, usage, 2);
 417    resources[2] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
 418    if (!resources[2])
 419       goto error;
 420
 421    return vl_video_buffer_create_ex2(pipe, tmpl, resources);
 422
 423 error:
 424    for (i = 0; i < VL_NUM_COMPONENTS; ++i)
 425       pipe_resource_reference(&resources[i], NULL);
 426
 427    return NULL;
 428 }
 429
 430 struct pipe_video_buffer *
 431 vl_video_buffer_create_ex2(struct pipe_context *pipe,
 432                            const struct pipe_video_buffer *tmpl,
 433                            struct pipe_resource *resources[VL_NUM_COMPONENTS])
 434 {
 435    struct vl_video_buffer *buffer;
 436    unsigned i;
 437
 438    buffer = CALLOC_STRUCT(vl_video_buffer);
 439    if (!buffer)
 440       return NULL;
 441
 442    buffer->base = *tmpl;
 443    buffer->base.context = pipe;
 444    buffer->base.destroy = vl_video_buffer_destroy;
 445    buffer->base.get_sampler_view_planes = vl_video_buffer_sampler_view_planes;
 446    buffer->base.get_sampler_view_components = vl_video_buffer_sampler_view_components;
 447    buffer->base.get_surfaces = vl_video_buffer_surfaces;
 448    buffer->num_planes = 0;
 449
 450    for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
 451       buffer->resources[i] = resources[i];
 452       if (resources[i])
 453          buffer->num_planes++;
 454    }
 455
 456    return &buffer->base;
 457 }
 458
 459 /* Create pipe_video_buffer by using resource_create with planar formats. */
 460 struct pipe_video_buffer *
 461 vl_video_buffer_create_as_resource(struct pipe_context *pipe,
 462                                    const struct pipe_video_buffer *tmpl)
 463 {
 464    struct pipe_resource templ, *resources[VL_NUM_COMPONENTS] = {};
 465    unsigned array_size =  tmpl->interlaced ? 2 : 1;
 466
 467    memset(&templ, 0, sizeof(templ));
 468    templ.target = array_size > 1 ? PIPE_TEXTURE_2D_ARRAY : PIPE_TEXTURE_2D;
 469    templ.width0 = align(tmpl->width, VL_MACROBLOCK_WIDTH);
 470    templ.height0 = align(tmpl->height / array_size, VL_MACROBLOCK_HEIGHT);
 471    templ.depth0 = 1;
 472    templ.array_size = array_size;
 473    templ.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET | tmpl->bind;
 474    templ.usage = PIPE_USAGE_DEFAULT;
 475
 476    if (tmpl->buffer_format == PIPE_FORMAT_YUYV)
 477       templ.format = PIPE_FORMAT_R8G8_R8B8_UNORM;
 478    else if (tmpl->buffer_format == PIPE_FORMAT_UYVY)
 479       templ.format = PIPE_FORMAT_G8R8_B8R8_UNORM;
 480    else
 481       templ.format = tmpl->buffer_format;
 482
 483    resources[0] = pipe->screen->resource_create(pipe->screen, &templ);
 484    if (!resources[0])
 485       return NULL;
 486
 487    if (resources[0]->next) {
 488       pipe_resource_reference(&resources[1], resources[0]->next);
 489       if (resources[1]->next)
 490          pipe_resource_reference(&resources[2], resources[1]->next);
 491    }
 492
 493    struct pipe_video_buffer vidtemplate = *tmpl;
 494    vidtemplate.width = templ.width0;
 495    vidtemplate.height = templ.height0 * array_size;
 496    return vl_video_buffer_create_ex2(pipe, &vidtemplate, resources);
 497 }