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