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