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 unsigned const_resource_plane_order_YUV[3] = {
  66    0,
  67    1,
  68    2
  69 };
  70
  71 const unsigned const_resource_plane_order_YVU[3] = {
  72    0,
  73    2,
  74    1
  75 };
  76
  77 const enum pipe_format *
  78 vl_video_buffer_formats(struct pipe_screen *screen, enum pipe_format format)
  79 {
  80    switch(format) {
  81    case PIPE_FORMAT_YV12:
  82       return const_resource_formats_YV12;
  83
  84    case PIPE_FORMAT_NV12:
  85       return const_resource_formats_NV12;
  86
  87    case PIPE_FORMAT_R8G8B8A8_UNORM:
  88       return const_resource_formats_YUVA;
  89
  90    case PIPE_FORMAT_B8G8R8A8_UNORM:
  91       return const_resource_formats_VUYA;
  92
  93    default:
  94       return NULL;
  95    }
  96 }
  97
  98 const unsigned *
  99 vl_video_buffer_plane_order(enum pipe_format format)
 100 {
 101     switch(format) {
 102    case PIPE_FORMAT_YV12:
 103       return const_resource_plane_order_YVU;
 104
 105    case PIPE_FORMAT_NV12:
 106    case PIPE_FORMAT_R8G8B8A8_UNORM:
 107    case PIPE_FORMAT_B8G8R8A8_UNORM:
 108       return const_resource_plane_order_YUV;
 109
 110    default:
 111       return NULL;
 112    }
 113 }
 114
 115 boolean
 116 vl_video_buffer_is_format_supported(struct pipe_screen *screen,
 117                                     enum pipe_format format,
 118                                     enum pipe_video_profile profile)
 119 {
 120    const enum pipe_format *resource_formats;
 121    unsigned i;
 122
 123    resource_formats = vl_video_buffer_formats(screen, format);
 124    if (!resource_formats)
 125       return false;
 126
 127    for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
 128       if (!resource_formats[i])
 129          continue;
 130
 131       if (!screen->is_format_supported(screen, resource_formats[i], PIPE_TEXTURE_2D, 0, PIPE_USAGE_STATIC))
 132          return false;
 133    }
 134
 135    return true;
 136 }
 137
 138 unsigned
 139 vl_video_buffer_max_size(struct pipe_screen *screen)
 140 {
 141    uint32_t max_2d_texture_level;
 142
 143    max_2d_texture_level = screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS);
 144
 145    return 1 << (max_2d_texture_level-1);
 146 }
 147
 148 void
 149 vl_video_buffer_set_associated_data(struct pipe_video_buffer *vbuf,
 150                                     struct pipe_video_decoder *vdec,
 151                                     void *associated_data,
 152                                     void (*destroy_associated_data)(void *))
 153 {
 154    vbuf->decoder = vdec;
 155
 156    if (vbuf->associated_data == associated_data)
 157       return;
 158
 159    if (vbuf->associated_data)
 160       vbuf->destroy_associated_data(vbuf->associated_data);
 161
 162    vbuf->associated_data = associated_data;
 163    vbuf->destroy_associated_data = destroy_associated_data;
 164 }
 165
 166 void *
 167 vl_video_buffer_get_associated_data(struct pipe_video_buffer *vbuf,
 168                                     struct pipe_video_decoder *vdec)
 169 {
 170    if (vbuf->decoder == vdec)
 171       return vbuf->associated_data;
 172    else
 173       return NULL;
 174 }
 175
 176 void
 177 vl_vide_buffer_template(struct pipe_resource *templ,
 178                         const struct pipe_video_buffer *tmpl,
 179                         enum pipe_format resource_format,
 180                         unsigned depth, unsigned usage, unsigned plane)
 181 {
 182    memset(templ, 0, sizeof(*templ));
 183    templ->target = depth > 1 ? PIPE_TEXTURE_3D : PIPE_TEXTURE_2D;
 184    templ->format = resource_format;
 185    templ->width0 = tmpl->width;
 186    templ->height0 = tmpl->height;
 187    templ->depth0 = depth;
 188    templ->array_size = 1;
 189    templ->bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
 190    templ->usage = usage;
 191
 192    if (plane > 0) {
 193       if (tmpl->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420) {
 194          templ->width0 /= 2;
 195          templ->height0 /= 2;
 196       } else if (tmpl->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_422) {
 197          templ->height0 /= 2;
 198       }
 199    }
 200 }
 201
 202 static void
 203 vl_video_buffer_destroy(struct pipe_video_buffer *buffer)
 204 {
 205    struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
 206    unsigned i;
 207
 208    assert(buf);
 209
 210    for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
 211       pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL);
 212       pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
 213       pipe_resource_reference(&buf->resources[i], NULL);
 214    }
 215
 216    for (i = 0; i < VL_NUM_COMPONENTS * 2; ++i)
 217       pipe_surface_reference(&buf->surfaces[i], NULL);
 218
 219    vl_video_buffer_set_associated_data(buffer, NULL, NULL, NULL);
 220
 221    FREE(buffer);
 222 }
 223
 224 static struct pipe_sampler_view **
 225 vl_video_buffer_sampler_view_planes(struct pipe_video_buffer *buffer)
 226 {
 227    struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
 228    struct pipe_sampler_view sv_templ;
 229    struct pipe_context *pipe;
 230    unsigned i;
 231
 232    assert(buf);
 233
 234    pipe = buf->base.context;
 235
 236    for (i = 0; i < buf->num_planes; ++i ) {
 237       if (!buf->sampler_view_planes[i]) {
 238          memset(&sv_templ, 0, sizeof(sv_templ));
 239          u_sampler_view_default_template(&sv_templ, buf->resources[i], buf->resources[i]->format);
 240
 241          if (util_format_get_nr_components(buf->resources[i]->format) == 1)
 242             sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = sv_templ.swizzle_a = PIPE_SWIZZLE_RED;
 243
 244          buf->sampler_view_planes[i] = pipe->create_sampler_view(pipe, buf->resources[i], &sv_templ);
 245          if (!buf->sampler_view_planes[i])
 246             goto error;
 247       }
 248    }
 249
 250    return buf->sampler_view_planes;
 251
 252 error:
 253    for (i = 0; i < buf->num_planes; ++i )
 254       pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL);
 255
 256    return NULL;
 257 }
 258
 259 static struct pipe_sampler_view **
 260 vl_video_buffer_sampler_view_components(struct pipe_video_buffer *buffer)
 261 {
 262    struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
 263    struct pipe_sampler_view sv_templ;
 264    struct pipe_context *pipe;
 265    const unsigned *plane_order;
 266    unsigned i, j, component;
 267
 268    assert(buf);
 269
 270    pipe = buf->base.context;
 271
 272    plane_order = vl_video_buffer_plane_order(buf->base.buffer_format);
 273
 274    for (component = 0, i = 0; i < buf->num_planes; ++i ) {
 275       struct pipe_resource *res = buf->resources[plane_order[i]];
 276       unsigned nr_components = util_format_get_nr_components(res->format);
 277
 278       for (j = 0; j < nr_components; ++j, ++component) {
 279          assert(component < VL_NUM_COMPONENTS);
 280
 281          if (!buf->sampler_view_components[component]) {
 282             memset(&sv_templ, 0, sizeof(sv_templ));
 283             u_sampler_view_default_template(&sv_templ, res, res->format);
 284             sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = PIPE_SWIZZLE_RED + j;
 285             sv_templ.swizzle_a = PIPE_SWIZZLE_ONE;
 286             buf->sampler_view_components[component] = pipe->create_sampler_view(pipe, res, &sv_templ);
 287             if (!buf->sampler_view_components[component])
 288                goto error;
 289          }
 290       }
 291    }
 292
 293    return buf->sampler_view_components;
 294
 295 error:
 296    for (i = 0; i < VL_NUM_COMPONENTS; ++i )
 297       pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
 298
 299    return NULL;
 300 }
 301
 302 static struct pipe_surface **
 303 vl_video_buffer_surfaces(struct pipe_video_buffer *buffer)
 304 {
 305    struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
 306    struct pipe_surface surf_templ;
 307    struct pipe_context *pipe;
 308    unsigned i, j, depth, surf;
 309
 310    assert(buf);
 311
 312    pipe = buf->base.context;
 313
 314    depth = buffer->interlaced ? 2 : 1;
 315    for (i = 0, surf = 0; i < depth; ++i ) {
 316       for (j = 0; j < VL_NUM_COMPONENTS; ++j, ++surf) {
 317          assert(surf < (VL_NUM_COMPONENTS * 2));
 318
 319          if (!buf->resources[j]) {
 320             pipe_surface_reference(&buf->surfaces[surf], NULL);
 321             continue;
 322          }
 323
 324          if (!buf->surfaces[surf]) {
 325             memset(&surf_templ, 0, sizeof(surf_templ));
 326             surf_templ.format = buf->resources[j]->format;
 327             surf_templ.usage = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
 328             surf_templ.u.tex.first_layer = surf_templ.u.tex.last_layer = i;
 329             buf->surfaces[surf] = pipe->create_surface(pipe, buf->resources[j], &surf_templ);
 330             if (!buf->surfaces[surf])
 331                goto error;
 332          }
 333       }
 334    }
 335
 336    return buf->surfaces;
 337
 338 error:
 339    for (i = 0; i < (VL_NUM_COMPONENTS * 2); ++i )
 340       pipe_surface_reference(&buf->surfaces[i], NULL);
 341
 342    return NULL;
 343 }
 344
 345 struct pipe_video_buffer *
 346 vl_video_buffer_create(struct pipe_context *pipe,
 347                        const struct pipe_video_buffer *tmpl)
 348 {
 349    const enum pipe_format *resource_formats;
 350    struct pipe_video_buffer templat, *result;
 351    bool pot_buffers;
 352
 353    assert(pipe);
 354    assert(tmpl->width > 0 && tmpl->height > 0);
 355
 356    pot_buffers = !pipe->screen->get_video_param
 357    (
 358       pipe->screen,
 359       PIPE_VIDEO_PROFILE_UNKNOWN,
 360       PIPE_VIDEO_CAP_NPOT_TEXTURES
 361    );
 362
 363    resource_formats = vl_video_buffer_formats(pipe->screen, tmpl->buffer_format);
 364    if (!resource_formats)
 365       return NULL;
 366
 367    templat = *tmpl;
 368    templat.width = pot_buffers ? util_next_power_of_two(tmpl->width)
 369                  : align(tmpl->width, VL_MACROBLOCK_WIDTH);
 370    templat.height = pot_buffers ? util_next_power_of_two(tmpl->height)
 371                   : align(tmpl->height, VL_MACROBLOCK_HEIGHT);
 372
 373    if (tmpl->interlaced)
 374       templat.height /= 2;
 375
 376    result = vl_video_buffer_create_ex
 377    (
 378       pipe, &templat, resource_formats,
 379       tmpl->interlaced ? 2 : 1, PIPE_USAGE_STATIC
 380    );
 381
 382
 383    if (result && tmpl->interlaced)
 384       result->height *= 2;
 385
 386    return result;
 387 }
 388
 389 struct pipe_video_buffer *
 390 vl_video_buffer_create_ex(struct pipe_context *pipe,
 391                           const struct pipe_video_buffer *tmpl,
 392                           const enum pipe_format resource_formats[VL_NUM_COMPONENTS],
 393                           unsigned depth, unsigned usage)
 394 {
 395    struct pipe_resource res_tmpl;
 396    struct pipe_resource *resources[VL_NUM_COMPONENTS];
 397    unsigned i;
 398
 399    assert(pipe);
 400
 401    memset(resources, 0, sizeof resources);
 402
 403    vl_vide_buffer_template(&res_tmpl, tmpl, resource_formats[0], depth, usage, 0);
 404    resources[0] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
 405    if (!resources[0])
 406       goto error;
 407
 408    if (resource_formats[1] == PIPE_FORMAT_NONE) {
 409       assert(tmpl->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_444);
 410       assert(resource_formats[2] == PIPE_FORMAT_NONE);
 411       return vl_video_buffer_create_ex2(pipe, tmpl, resources);
 412    }
 413
 414    vl_vide_buffer_template(&res_tmpl, tmpl, resource_formats[1], depth, usage, 1);
 415    resources[1] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
 416    if (!resources[1])
 417       goto error;
 418
 419    if (resource_formats[2] == PIPE_FORMAT_NONE)
 420       return vl_video_buffer_create_ex2(pipe, tmpl, resources);
 421
 422    vl_vide_buffer_template(&res_tmpl, tmpl, resource_formats[2], depth, usage, 2);
 423    resources[2] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
 424    if (!resources[2])
 425       goto error;
 426
 427    return vl_video_buffer_create_ex2(pipe, tmpl, resources);
 428
 429 error:
 430    for (i = 0; i < VL_NUM_COMPONENTS; ++i)
 431       pipe_resource_reference(&resources[i], NULL);
 432
 433    return NULL;
 434 }
 435
 436 struct pipe_video_buffer *
 437 vl_video_buffer_create_ex2(struct pipe_context *pipe,
 438                            const struct pipe_video_buffer *tmpl,
 439                            struct pipe_resource *resources[VL_NUM_COMPONENTS])
 440 {
 441    struct vl_video_buffer *buffer;
 442    unsigned i;
 443
 444    buffer = CALLOC_STRUCT(vl_video_buffer);
 445
 446    buffer->base = *tmpl;
 447    buffer->base.context = pipe;
 448    buffer->base.destroy = vl_video_buffer_destroy;
 449    buffer->base.get_sampler_view_planes = vl_video_buffer_sampler_view_planes;
 450    buffer->base.get_sampler_view_components = vl_video_buffer_sampler_view_components;
 451    buffer->base.get_surfaces = vl_video_buffer_surfaces;
 452    buffer->num_planes = 0;
 453
 454    for (i = 0; i < VL_NUM_COMPONENTS; ++i) {
 455       buffer->resources[i] = resources[i];
 456       if (resources[i])
 457          buffer->num_planes++;
 458    }
 459
 460    return &buffer->base;
 461 }