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 unsigned const_resource_plane_order_YUV[3] = {
  54    0,
  55    1,
  56    2
  57 };
  58
  59 const unsigned const_resource_plane_order_YVU[3] = {
  60    0,
  61    2,
  62    1
  63 };
  64
  65 const enum pipe_format *
  66 vl_video_buffer_formats(struct pipe_screen *screen, enum pipe_format format)
  67 {
  68    switch(format) {
  69    case PIPE_FORMAT_YV12:
  70       return const_resource_formats_YV12;
  71
  72    case PIPE_FORMAT_NV12:
  73       return const_resource_formats_NV12;
  74
  75    default:
  76       return NULL;
  77    }
  78 }
  79
  80 const unsigned *
  81 vl_video_buffer_plane_order(enum pipe_format format)
  82 {
  83     switch(format) {
  84    case PIPE_FORMAT_YV12:
  85       return const_resource_plane_order_YVU;
  86
  87    case PIPE_FORMAT_NV12:
  88       return const_resource_plane_order_YUV;
  89
  90    default:
  91       return NULL;
  92    }
  93 }
  94
  95 boolean
  96 vl_video_buffer_is_format_supported(struct pipe_screen *screen,
  97                                     enum pipe_format format,
  98                                     enum pipe_video_profile profile)
  99 {
 100    const enum pipe_format *resource_formats;
 101    unsigned i;
 102
 103    resource_formats = vl_video_buffer_formats(screen, format);
 104    if (!resource_formats)
 105       return false;
 106
 107    for (i = 0; i < VL_MAX_PLANES; ++i) {
 108       if (!resource_formats[i])
 109          continue;
 110
 111       if (!screen->is_format_supported(screen, resource_formats[i], PIPE_TEXTURE_2D, 0, PIPE_USAGE_STATIC))
 112          return false;
 113    }
 114
 115    return true;
 116 }
 117
 118 unsigned
 119 vl_video_buffer_max_size(struct pipe_screen *screen)
 120 {
 121    uint32_t max_2d_texture_level;
 122
 123    max_2d_texture_level = screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS);
 124
 125    return 1 << (max_2d_texture_level-1);
 126 }
 127
 128 void
 129 vl_video_buffer_set_associated_data(struct pipe_video_buffer *vbuf,
 130                                     struct pipe_video_decoder *vdec,
 131                                     void *associated_data,
 132                                     void (*destroy_associated_data)(void *))
 133 {
 134    vbuf->decoder = vdec;
 135
 136    if (vbuf->associated_data == associated_data)
 137       return;
 138
 139    if (vbuf->associated_data)
 140       vbuf->destroy_associated_data(vbuf->associated_data);
 141
 142    vbuf->associated_data = associated_data;
 143    vbuf->destroy_associated_data = destroy_associated_data;
 144 }
 145
 146 void *
 147 vl_video_buffer_get_associated_data(struct pipe_video_buffer *vbuf,
 148                                     struct pipe_video_decoder *vdec)
 149 {
 150    if (vbuf->decoder == vdec)
 151       return vbuf->associated_data;
 152    else
 153       return NULL;
 154 }
 155
 156 void
 157 vl_vide_buffer_template(struct pipe_resource *templ,
 158                         const struct pipe_video_buffer *tmpl,
 159                         enum pipe_format resource_format,
 160                         unsigned depth, unsigned usage, unsigned plane)
 161 {
 162    memset(templ, 0, sizeof(*templ));
 163    templ->target = depth > 1 ? PIPE_TEXTURE_3D : PIPE_TEXTURE_2D;
 164    templ->format = resource_format;
 165    templ->width0 = tmpl->width;
 166    templ->height0 = tmpl->height;
 167    templ->depth0 = depth;
 168    templ->array_size = 1;
 169    templ->bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
 170    templ->usage = usage;
 171
 172    if (plane > 0) {
 173       if (tmpl->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420) {
 174          templ->width0 /= 2;
 175          templ->height0 /= 2;
 176       } else if (tmpl->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_422) {
 177          templ->height0 /= 2;
 178       }
 179    }
 180 }
 181
 182 static void
 183 vl_video_buffer_destroy(struct pipe_video_buffer *buffer)
 184 {
 185    struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
 186    unsigned i;
 187
 188    assert(buf);
 189
 190    for (i = 0; i < VL_MAX_PLANES; ++i) {
 191       pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL);
 192       pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
 193       pipe_resource_reference(&buf->resources[i], NULL);
 194    }
 195
 196    for (i = 0; i < VL_MAX_PLANES * 2; ++i)
 197       pipe_surface_reference(&buf->surfaces[i], NULL);
 198
 199    vl_video_buffer_set_associated_data(buffer, NULL, NULL, NULL);
 200
 201    FREE(buffer);
 202 }
 203
 204 static struct pipe_sampler_view **
 205 vl_video_buffer_sampler_view_planes(struct pipe_video_buffer *buffer)
 206 {
 207    struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
 208    struct pipe_sampler_view sv_templ;
 209    struct pipe_context *pipe;
 210    unsigned i;
 211
 212    assert(buf);
 213
 214    pipe = buf->base.context;
 215
 216    for (i = 0; i < buf->num_planes; ++i ) {
 217       if (!buf->sampler_view_planes[i]) {
 218          memset(&sv_templ, 0, sizeof(sv_templ));
 219          u_sampler_view_default_template(&sv_templ, buf->resources[i], buf->resources[i]->format);
 220
 221          if (util_format_get_nr_components(buf->resources[i]->format) == 1)
 222             sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = sv_templ.swizzle_a = PIPE_SWIZZLE_RED;
 223
 224          buf->sampler_view_planes[i] = pipe->create_sampler_view(pipe, buf->resources[i], &sv_templ);
 225          if (!buf->sampler_view_planes[i])
 226             goto error;
 227       }
 228    }
 229
 230    return buf->sampler_view_planes;
 231
 232 error:
 233    for (i = 0; i < buf->num_planes; ++i )
 234       pipe_sampler_view_reference(&buf->sampler_view_planes[i], NULL);
 235
 236    return NULL;
 237 }
 238
 239 static struct pipe_sampler_view **
 240 vl_video_buffer_sampler_view_components(struct pipe_video_buffer *buffer)
 241 {
 242    struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
 243    struct pipe_sampler_view sv_templ;
 244    struct pipe_context *pipe;
 245    const unsigned *plane_order;
 246    unsigned i, j, component;
 247
 248    assert(buf);
 249
 250    pipe = buf->base.context;
 251
 252    plane_order = vl_video_buffer_plane_order(buf->base.buffer_format);
 253
 254    for (component = 0, i = 0; i < buf->num_planes; ++i ) {
 255       struct pipe_resource *res = buf->resources[plane_order[i]];
 256       unsigned nr_components = util_format_get_nr_components(res->format);
 257
 258       for (j = 0; j < nr_components; ++j, ++component) {
 259          assert(component < VL_MAX_PLANES);
 260
 261          if (!buf->sampler_view_components[component]) {
 262             memset(&sv_templ, 0, sizeof(sv_templ));
 263             u_sampler_view_default_template(&sv_templ, res, res->format);
 264             sv_templ.swizzle_r = sv_templ.swizzle_g = sv_templ.swizzle_b = PIPE_SWIZZLE_RED + j;
 265             sv_templ.swizzle_a = PIPE_SWIZZLE_ONE;
 266             buf->sampler_view_components[component] = pipe->create_sampler_view(pipe, res, &sv_templ);
 267             if (!buf->sampler_view_components[component])
 268                goto error;
 269          }
 270       }
 271    }
 272
 273    return buf->sampler_view_components;
 274
 275 error:
 276    for (i = 0; i < VL_MAX_PLANES; ++i )
 277       pipe_sampler_view_reference(&buf->sampler_view_components[i], NULL);
 278
 279    return NULL;
 280 }
 281
 282 static struct pipe_surface **
 283 vl_video_buffer_surfaces(struct pipe_video_buffer *buffer)
 284 {
 285    struct vl_video_buffer *buf = (struct vl_video_buffer *)buffer;
 286    struct pipe_surface surf_templ;
 287    struct pipe_context *pipe;
 288    unsigned i, j, depth, surf;
 289
 290    assert(buf);
 291
 292    pipe = buf->base.context;
 293
 294    depth = buffer->interlaced ? 2 : 1;
 295    for (i = 0, surf = 0; i < depth; ++i ) {
 296       for (j = 0; j < VL_MAX_PLANES; ++j, ++surf) {
 297          assert(surf < (VL_MAX_PLANES * 2));
 298
 299          if (!buf->resources[j]) {
 300             pipe_surface_reference(&buf->surfaces[surf], NULL);
 301             continue;
 302          }
 303
 304          if (!buf->surfaces[surf]) {
 305             memset(&surf_templ, 0, sizeof(surf_templ));
 306             surf_templ.format = buf->resources[j]->format;
 307             surf_templ.usage = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
 308             surf_templ.u.tex.first_layer = surf_templ.u.tex.last_layer = i;
 309             buf->surfaces[surf] = pipe->create_surface(pipe, buf->resources[j], &surf_templ);
 310             if (!buf->surfaces[surf])
 311                goto error;
 312          }
 313       }
 314    }
 315
 316    return buf->surfaces;
 317
 318 error:
 319    for (i = 0; i < (VL_MAX_PLANES * 2); ++i )
 320       pipe_surface_reference(&buf->surfaces[i], NULL);
 321
 322    return NULL;
 323 }
 324
 325 struct pipe_video_buffer *
 326 vl_video_buffer_create(struct pipe_context *pipe,
 327                        const struct pipe_video_buffer *tmpl)
 328 {
 329    const enum pipe_format *resource_formats;
 330    struct pipe_video_buffer templat, *result;
 331    bool pot_buffers;
 332
 333    assert(pipe);
 334    assert(tmpl->width > 0 && tmpl->height > 0);
 335
 336    pot_buffers = !pipe->screen->get_video_param
 337    (
 338       pipe->screen,
 339       PIPE_VIDEO_PROFILE_UNKNOWN,
 340       PIPE_VIDEO_CAP_NPOT_TEXTURES
 341    );
 342
 343    resource_formats = vl_video_buffer_formats(pipe->screen, tmpl->buffer_format);
 344    if (!resource_formats)
 345       return NULL;
 346
 347    templat = *tmpl;
 348    templat.width = pot_buffers ? util_next_power_of_two(tmpl->width)
 349                  : align(tmpl->width, MACROBLOCK_WIDTH);
 350    templat.height = pot_buffers ? util_next_power_of_two(tmpl->height)
 351                   : align(tmpl->height, MACROBLOCK_HEIGHT);
 352
 353    if (tmpl->interlaced)
 354       templat.height /= 2;
 355
 356    result = vl_video_buffer_create_ex
 357    (
 358       pipe, &templat, resource_formats,
 359       tmpl->interlaced ? 2 : 1, PIPE_USAGE_STATIC
 360    );
 361
 362
 363    if (result && tmpl->interlaced)
 364       result->height *= 2;
 365
 366    return result;
 367 }
 368
 369 struct pipe_video_buffer *
 370 vl_video_buffer_create_ex(struct pipe_context *pipe,
 371                           const struct pipe_video_buffer *tmpl,
 372                           const enum pipe_format resource_formats[VL_MAX_PLANES],
 373                           unsigned depth, unsigned usage)
 374 {
 375    struct pipe_resource res_tmpl;
 376    struct pipe_resource *resources[VL_MAX_PLANES];
 377    unsigned i;
 378
 379    assert(pipe);
 380
 381    memset(resources, 0, sizeof resources);
 382
 383    vl_vide_buffer_template(&res_tmpl, tmpl, resource_formats[0], depth, usage, 0);
 384    resources[0] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
 385    if (!resources[0])
 386       goto error;
 387
 388    if (resource_formats[1] == PIPE_FORMAT_NONE) {
 389       assert(tmpl->chroma_format == PIPE_VIDEO_CHROMA_FORMAT_444);
 390       assert(resource_formats[2] == PIPE_FORMAT_NONE);
 391       return vl_video_buffer_create_ex2(pipe, tmpl, resources);
 392    }
 393
 394    vl_vide_buffer_template(&res_tmpl, tmpl, resource_formats[1], depth, usage, 1);
 395    resources[1] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
 396    if (!resources[1])
 397       goto error;
 398
 399    if (resource_formats[2] == PIPE_FORMAT_NONE)
 400       return vl_video_buffer_create_ex2(pipe, tmpl, resources);
 401
 402    vl_vide_buffer_template(&res_tmpl, tmpl, resource_formats[2], depth, usage, 2);
 403    resources[2] = pipe->screen->resource_create(pipe->screen, &res_tmpl);
 404    if (!resources[2])
 405       goto error;
 406
 407    return vl_video_buffer_create_ex2(pipe, tmpl, resources);
 408
 409 error:
 410    for (i = 0; i < VL_MAX_PLANES; ++i)
 411       pipe_resource_reference(&resources[i], NULL);
 412
 413    return NULL;
 414 }
 415
 416 struct pipe_video_buffer *
 417 vl_video_buffer_create_ex2(struct pipe_context *pipe,
 418                            const struct pipe_video_buffer *tmpl,
 419                            struct pipe_resource *resources[VL_MAX_PLANES])
 420 {
 421    struct vl_video_buffer *buffer;
 422    unsigned i;
 423
 424    buffer = CALLOC_STRUCT(vl_video_buffer);
 425
 426    buffer->base = *tmpl;
 427    buffer->base.context = pipe;
 428    buffer->base.destroy = vl_video_buffer_destroy;
 429    buffer->base.get_sampler_view_planes = vl_video_buffer_sampler_view_planes;
 430    buffer->base.get_sampler_view_components = vl_video_buffer_sampler_view_components;
 431    buffer->base.get_surfaces = vl_video_buffer_surfaces;
 432    buffer->num_planes = 0;
 433
 434    for (i = 0; i < VL_MAX_PLANES; ++i) {
 435       buffer->resources[i] = resources[i];
 436       if (resources[i])
 437          buffer->num_planes++;
 438    }
 439
 440    return &buffer->base;
 441 }