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