src/gallium/drivers/identity/id_screen.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   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 VMWARE 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
  29 #include "pipe/p_screen.h"
  30 #include "pipe/p_state.h"
  31 #include "util/u_memory.h"
  32
  33 #include "id_public.h"
  34 #include "id_screen.h"
  35 #include "id_context.h"
  36 #include "id_objects.h"
  37
  38
  39 static void
  40 identity_screen_destroy(struct pipe_screen *_screen)
  41 {
  42    struct identity_screen *id_screen = identity_screen(_screen);
  43    struct pipe_screen *screen = id_screen->screen;
  44
  45    screen->destroy(screen);
  46
  47    FREE(id_screen);
  48 }
  49
  50 static const char *
  51 identity_screen_get_name(struct pipe_screen *_screen)
  52 {
  53    struct identity_screen *id_screen = identity_screen(_screen);
  54    struct pipe_screen *screen = id_screen->screen;
  55
  56    return screen->get_name(screen);
  57 }
  58
  59 static const char *
  60 identity_screen_get_vendor(struct pipe_screen *_screen)
  61 {
  62    struct identity_screen *id_screen = identity_screen(_screen);
  63    struct pipe_screen *screen = id_screen->screen;
  64
  65    return screen->get_vendor(screen);
  66 }
  67
  68 static int
  69 identity_screen_get_param(struct pipe_screen *_screen,
  70                           int param)
  71 {
  72    struct identity_screen *id_screen = identity_screen(_screen);
  73    struct pipe_screen *screen = id_screen->screen;
  74
  75    return screen->get_param(screen,
  76                             param);
  77 }
  78
  79 static float
  80 identity_screen_get_paramf(struct pipe_screen *_screen,
  81                            int param)
  82 {
  83    struct identity_screen *id_screen = identity_screen(_screen);
  84    struct pipe_screen *screen = id_screen->screen;
  85
  86    return screen->get_paramf(screen,
  87                              param);
  88 }
  89
  90 static boolean
  91 identity_screen_is_format_supported(struct pipe_screen *_screen,
  92                                     enum pipe_format format,
  93                                     enum pipe_texture_target target,
  94                                     unsigned tex_usage,
  95                                     unsigned geom_flags)
  96 {
  97    struct identity_screen *id_screen = identity_screen(_screen);
  98    struct pipe_screen *screen = id_screen->screen;
  99
 100    return screen->is_format_supported(screen,
 101                                       format,
 102                                       target,
 103                                       tex_usage,
 104                                       geom_flags);
 105 }
 106
 107 static struct pipe_context *
 108 identity_screen_context_create(struct pipe_screen *_screen,
 109                                void *priv)
 110 {
 111    struct identity_screen *id_screen = identity_screen(_screen);
 112    struct pipe_screen *screen = id_screen->screen;
 113    struct pipe_context *result;
 114
 115    result = screen->context_create(screen, priv);
 116    if (result)
 117       return identity_context_create(_screen, result);
 118    return NULL;
 119 }
 120
 121 static struct pipe_texture *
 122 identity_screen_texture_create(struct pipe_screen *_screen,
 123                                const struct pipe_texture *templat)
 124 {
 125    struct identity_screen *id_screen = identity_screen(_screen);
 126    struct pipe_screen *screen = id_screen->screen;
 127    struct pipe_texture *result;
 128
 129    result = screen->texture_create(screen,
 130                                    templat);
 131
 132    if (result)
 133       return identity_texture_create(id_screen, result);
 134    return NULL;
 135 }
 136
 137 static struct pipe_texture *
 138 identity_screen_texture_from_handle(struct pipe_screen *_screen,
 139                                     const struct pipe_texture *templ,
 140                                     struct winsys_handle *handle)
 141 {
 142    struct identity_screen *id_screen = identity_screen(_screen);
 143    struct pipe_screen *screen = id_screen->screen;
 144    struct pipe_texture *result;
 145
 146    /* TODO trace call */
 147
 148    result = screen->texture_from_handle(screen, templ, handle);
 149
 150    result = identity_texture_create(identity_screen(_screen), result);
 151
 152    return result;
 153 }
 154
 155 static boolean
 156 identity_screen_texture_get_handle(struct pipe_screen *_screen,
 157                                    struct pipe_texture *_texture,
 158                                    struct winsys_handle *handle)
 159 {
 160    struct identity_screen *id_screen = identity_screen(_screen);
 161    struct identity_texture *id_texture = identity_texture(_texture);
 162    struct pipe_screen *screen = id_screen->screen;
 163    struct pipe_texture *texture = id_texture->texture;
 164
 165    /* TODO trace call */
 166
 167    return screen->texture_get_handle(screen, texture, handle);
 168 }
 169
 170 static struct pipe_texture *
 171 identity_screen_texture_blanket(struct pipe_screen *_screen,
 172                                 const struct pipe_texture *templat,
 173                                 const unsigned *stride,
 174                                 struct pipe_buffer *_buffer)
 175 {
 176    struct identity_screen *id_screen = identity_screen(_screen);
 177    struct identity_buffer *id_buffer = identity_buffer(_buffer);
 178    struct pipe_screen *screen = id_screen->screen;
 179    struct pipe_buffer *buffer = id_buffer->buffer;
 180    struct pipe_texture *result;
 181
 182    result = screen->texture_blanket(screen,
 183                                     templat,
 184                                     stride,
 185                                     buffer);
 186
 187    if (result)
 188       return identity_texture_create(id_screen, result);
 189    return NULL;
 190 }
 191
 192 static void
 193 identity_screen_texture_destroy(struct pipe_texture *_texture)
 194 {
 195    identity_texture_destroy(identity_texture(_texture));
 196 }
 197
 198 static struct pipe_surface *
 199 identity_screen_get_tex_surface(struct pipe_screen *_screen,
 200                                 struct pipe_texture *_texture,
 201                                 unsigned face,
 202                                 unsigned level,
 203                                 unsigned zslice,
 204                                 unsigned usage)
 205 {
 206    struct identity_screen *id_screen = identity_screen(_screen);
 207    struct identity_texture *id_texture = identity_texture(_texture);
 208    struct pipe_screen *screen = id_screen->screen;
 209    struct pipe_texture *texture = id_texture->texture;
 210    struct pipe_surface *result;
 211
 212    result = screen->get_tex_surface(screen,
 213                                     texture,
 214                                     face,
 215                                     level,
 216                                     zslice,
 217                                     usage);
 218
 219    if (result)
 220       return identity_surface_create(id_texture, result);
 221    return NULL;
 222 }
 223
 224 static void
 225 identity_screen_tex_surface_destroy(struct pipe_surface *_surface)
 226 {
 227    identity_surface_destroy(identity_surface(_surface));
 228 }
 229
 230 static struct pipe_transfer *
 231 identity_screen_get_tex_transfer(struct pipe_screen *_screen,
 232                                  struct pipe_texture *_texture,
 233                                  unsigned face,
 234                                  unsigned level,
 235                                  unsigned zslice,
 236                                  enum pipe_transfer_usage usage,
 237                                  unsigned x,
 238                                  unsigned y,
 239                                  unsigned w,
 240                                  unsigned h)
 241 {
 242    struct identity_screen *id_screen = identity_screen(_screen);
 243    struct identity_texture *id_texture = identity_texture(_texture);
 244    struct pipe_screen *screen = id_screen->screen;
 245    struct pipe_texture *texture = id_texture->texture;
 246    struct pipe_transfer *result;
 247
 248    result = screen->get_tex_transfer(screen,
 249                                      texture,
 250                                      face,
 251                                      level,
 252                                      zslice,
 253                                      usage,
 254                                      x,
 255                                      y,
 256                                      w,
 257                                      h);
 258
 259    if (result)
 260       return identity_transfer_create(id_texture, result);
 261    return NULL;
 262 }
 263
 264 static void
 265 identity_screen_tex_transfer_destroy(struct pipe_transfer *_transfer)
 266 {
 267    identity_transfer_destroy(identity_transfer(_transfer));
 268 }
 269
 270 static void *
 271 identity_screen_transfer_map(struct pipe_screen *_screen,
 272                              struct pipe_transfer *_transfer)
 273 {
 274    struct identity_screen *id_screen = identity_screen(_screen);
 275    struct identity_transfer *id_transfer = identity_transfer(_transfer);
 276    struct pipe_screen *screen = id_screen->screen;
 277    struct pipe_transfer *transfer = id_transfer->transfer;
 278
 279    return screen->transfer_map(screen,
 280                                transfer);
 281 }
 282
 283 static void
 284 identity_screen_transfer_unmap(struct pipe_screen *_screen,
 285                                struct pipe_transfer *_transfer)
 286 {
 287    struct identity_screen *id_screen = identity_screen(_screen);
 288    struct identity_transfer *id_transfer = identity_transfer(_transfer);
 289    struct pipe_screen *screen = id_screen->screen;
 290    struct pipe_transfer *transfer = id_transfer->transfer;
 291
 292    screen->transfer_unmap(screen,
 293                           transfer);
 294 }
 295
 296 static struct pipe_buffer *
 297 identity_screen_buffer_create(struct pipe_screen *_screen,
 298                               unsigned alignment,
 299                               unsigned usage,
 300                               unsigned size)
 301 {
 302    struct identity_screen *id_screen = identity_screen(_screen);
 303    struct pipe_screen *screen = id_screen->screen;
 304    struct pipe_buffer *result;
 305
 306    result = screen->buffer_create(screen,
 307                                   alignment,
 308                                   usage,
 309                                   size);
 310
 311    if (result)
 312       return identity_buffer_create(id_screen, result);
 313    return NULL;
 314 }
 315
 316 static struct pipe_buffer *
 317 identity_screen_user_buffer_create(struct pipe_screen *_screen,
 318                                    void *ptr,
 319                                    unsigned bytes)
 320 {
 321    struct identity_screen *id_screen = identity_screen(_screen);
 322    struct pipe_screen *screen = id_screen->screen;
 323    struct pipe_buffer *result;
 324
 325    result = screen->user_buffer_create(screen,
 326                                        ptr,
 327                                        bytes);
 328
 329    if (result)
 330       return identity_buffer_create(id_screen, result);
 331    return NULL;
 332 }
 333
 334 static struct pipe_buffer *
 335 identity_screen_surface_buffer_create(struct pipe_screen *_screen,
 336                                       unsigned width,
 337                                       unsigned height,
 338                                       enum pipe_format format,
 339                                       unsigned usage,
 340                                       unsigned tex_usage,
 341                                       unsigned *stride)
 342 {
 343    struct identity_screen *id_screen = identity_screen(_screen);
 344    struct pipe_screen *screen = id_screen->screen;
 345    struct pipe_buffer *result;
 346
 347    result = screen->surface_buffer_create(screen,
 348                                           width,
 349                                           height,
 350                                           format,
 351                                           usage,
 352                                           tex_usage,
 353                                           stride);
 354
 355    if (result)
 356       return identity_buffer_create(id_screen, result);
 357    return NULL;
 358 }
 359
 360 static void *
 361 identity_screen_buffer_map(struct pipe_screen *_screen,
 362                            struct pipe_buffer *_buffer,
 363                            unsigned usage)
 364 {
 365    struct identity_screen *id_screen = identity_screen(_screen);
 366    struct identity_buffer *id_buffer = identity_buffer(_buffer);
 367    struct pipe_screen *screen = id_screen->screen;
 368    struct pipe_buffer *buffer = id_buffer->buffer;
 369
 370    return screen->buffer_map(screen,
 371                              buffer,
 372                              usage);
 373 }
 374
 375 static void *
 376 identity_screen_buffer_map_range(struct pipe_screen *_screen,
 377                                  struct pipe_buffer *_buffer,
 378                                  unsigned offset,
 379                                  unsigned length,
 380                                  unsigned usage)
 381 {
 382    struct identity_screen *id_screen = identity_screen(_screen);
 383    struct identity_buffer *id_buffer = identity_buffer(_buffer);
 384    struct pipe_screen *screen = id_screen->screen;
 385    struct pipe_buffer *buffer = id_buffer->buffer;
 386
 387    return screen->buffer_map_range(screen,
 388                                    buffer,
 389                                    offset,
 390                                    length,
 391                                    usage);
 392 }
 393
 394 static void
 395 identity_screen_buffer_flush_mapped_range(struct pipe_screen *_screen,
 396                                           struct pipe_buffer *_buffer,
 397                                           unsigned offset,
 398                                           unsigned length)
 399 {
 400    struct identity_screen *id_screen = identity_screen(_screen);
 401    struct identity_buffer *id_buffer = identity_buffer(_buffer);
 402    struct pipe_screen *screen = id_screen->screen;
 403    struct pipe_buffer *buffer = id_buffer->buffer;
 404
 405    screen->buffer_flush_mapped_range(screen,
 406                                      buffer,
 407                                      offset,
 408                                      length);
 409 }
 410
 411 static void
 412 identity_screen_buffer_unmap(struct pipe_screen *_screen,
 413                              struct pipe_buffer *_buffer)
 414 {
 415    struct identity_screen *id_screen = identity_screen(_screen);
 416    struct identity_buffer *id_buffer = identity_buffer(_buffer);
 417    struct pipe_screen *screen = id_screen->screen;
 418    struct pipe_buffer *buffer = id_buffer->buffer;
 419
 420    screen->buffer_unmap(screen,
 421                         buffer);
 422 }
 423
 424 static void
 425 identity_screen_buffer_destroy(struct pipe_buffer *_buffer)
 426 {
 427    identity_buffer_destroy(identity_buffer(_buffer));
 428 }
 429
 430 static struct pipe_video_surface *
 431 identity_screen_video_surface_create(struct pipe_screen *_screen,
 432                                      enum pipe_video_chroma_format chroma_format,
 433                                      unsigned width,
 434                                      unsigned height)
 435 {
 436    struct identity_screen *id_screen = identity_screen(_screen);
 437    struct pipe_screen *screen = id_screen->screen;
 438    struct pipe_video_surface *result;
 439
 440    result = screen->video_surface_create(screen,
 441                                          chroma_format,
 442                                          width,
 443                                          height);
 444
 445    if (result) {
 446       return identity_video_surface_create(id_screen, result);
 447    }
 448    return NULL;
 449 }
 450
 451 static void
 452 identity_screen_video_surface_destroy(struct pipe_video_surface *_vsfc)
 453 {
 454    identity_video_surface_destroy(identity_video_surface(_vsfc));
 455 }
 456
 457 static void
 458 identity_screen_flush_frontbuffer(struct pipe_screen *_screen,
 459                                   struct pipe_surface *_surface,
 460                                   void *context_private)
 461 {
 462    struct identity_screen *id_screen = identity_screen(_screen);
 463    struct identity_surface *id_surface = identity_surface(_surface);
 464    struct pipe_screen *screen = id_screen->screen;
 465    struct pipe_surface *surface = id_surface->surface;
 466
 467    screen->flush_frontbuffer(screen,
 468                              surface,
 469                              context_private);
 470 }
 471
 472 static void
 473 identity_screen_fence_reference(struct pipe_screen *_screen,
 474                                 struct pipe_fence_handle **ptr,
 475                                 struct pipe_fence_handle *fence)
 476 {
 477    struct identity_screen *id_screen = identity_screen(_screen);
 478    struct pipe_screen *screen = id_screen->screen;
 479
 480    screen->fence_reference(screen,
 481                            ptr,
 482                            fence);
 483 }
 484
 485 static int
 486 identity_screen_fence_signalled(struct pipe_screen *_screen,
 487                                 struct pipe_fence_handle *fence,
 488                                 unsigned flags)
 489 {
 490    struct identity_screen *id_screen = identity_screen(_screen);
 491    struct pipe_screen *screen = id_screen->screen;
 492
 493    return screen->fence_signalled(screen,
 494                                   fence,
 495                                   flags);
 496 }
 497
 498 static int
 499 identity_screen_fence_finish(struct pipe_screen *_screen,
 500                              struct pipe_fence_handle *fence,
 501                              unsigned flags)
 502 {
 503    struct identity_screen *id_screen = identity_screen(_screen);
 504    struct pipe_screen *screen = id_screen->screen;
 505
 506    return screen->fence_finish(screen,
 507                                fence,
 508                                flags);
 509 }
 510
 511 struct pipe_screen *
 512 identity_screen_create(struct pipe_screen *screen)
 513 {
 514    struct identity_screen *id_screen;
 515
 516    id_screen = CALLOC_STRUCT(identity_screen);
 517    if (!id_screen) {
 518       return NULL;
 519    }
 520
 521    id_screen->base.winsys = NULL;
 522
 523    id_screen->base.destroy = identity_screen_destroy;
 524    id_screen->base.get_name = identity_screen_get_name;
 525    id_screen->base.get_vendor = identity_screen_get_vendor;
 526    id_screen->base.get_param = identity_screen_get_param;
 527    id_screen->base.get_paramf = identity_screen_get_paramf;
 528    id_screen->base.is_format_supported = identity_screen_is_format_supported;
 529    id_screen->base.context_create = identity_screen_context_create;
 530    id_screen->base.texture_create = identity_screen_texture_create;
 531    id_screen->base.texture_from_handle = identity_screen_texture_from_handle;
 532    id_screen->base.texture_get_handle = identity_screen_texture_get_handle;
 533    id_screen->base.texture_blanket = identity_screen_texture_blanket;
 534    id_screen->base.texture_destroy = identity_screen_texture_destroy;
 535    id_screen->base.get_tex_surface = identity_screen_get_tex_surface;
 536    id_screen->base.tex_surface_destroy = identity_screen_tex_surface_destroy;
 537    id_screen->base.get_tex_transfer = identity_screen_get_tex_transfer;
 538    id_screen->base.tex_transfer_destroy = identity_screen_tex_transfer_destroy;
 539    id_screen->base.transfer_map = identity_screen_transfer_map;
 540    id_screen->base.transfer_unmap = identity_screen_transfer_unmap;
 541    id_screen->base.buffer_create = identity_screen_buffer_create;
 542    id_screen->base.user_buffer_create = identity_screen_user_buffer_create;
 543    id_screen->base.surface_buffer_create = identity_screen_surface_buffer_create;
 544    if (screen->buffer_map)
 545       id_screen->base.buffer_map = identity_screen_buffer_map;
 546    if (screen->buffer_map_range)
 547       id_screen->base.buffer_map_range = identity_screen_buffer_map_range;
 548    if (screen->buffer_flush_mapped_range)
 549       id_screen->base.buffer_flush_mapped_range = identity_screen_buffer_flush_mapped_range;
 550    if (screen->buffer_unmap)
 551       id_screen->base.buffer_unmap = identity_screen_buffer_unmap;
 552    id_screen->base.buffer_destroy = identity_screen_buffer_destroy;
 553    if (screen->video_surface_create) {
 554       id_screen->base.video_surface_create = identity_screen_video_surface_create;
 555    }
 556    if (screen->video_surface_destroy) {
 557       id_screen->base.video_surface_destroy = identity_screen_video_surface_destroy;
 558    }
 559    id_screen->base.flush_frontbuffer = identity_screen_flush_frontbuffer;
 560    id_screen->base.fence_reference = identity_screen_fence_reference;
 561    id_screen->base.fence_signalled = identity_screen_fence_signalled;
 562    id_screen->base.fence_finish = identity_screen_fence_finish;
 563
 564    id_screen->screen = screen;
 565
 566    return &id_screen->base;
 567 }