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