dlls/wined3d/volume.c

   1 /*
   2  * Copyright 2002-2005 Jason Edmeades
   3  * Copyright 2002-2005 Raphael Junqueira
   4  * Copyright 2005 Oliver Stieber
   5  * Copyright 2009-2011 Henri Verbeet for CodeWeavers
   6  * Copyright 2013 Stefan Dösinger for CodeWeavers
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include "config.h"
  24 #include "wine/port.h"
  25 #include "wined3d_private.h"
  26
  27 WINE_DEFAULT_DEBUG_CHANNEL(d3d_surface);
  28 WINE_DECLARE_DEBUG_CHANNEL(d3d_perf);
  29
  30 BOOL volume_prepare_system_memory(struct wined3d_volume *volume)
  31 {
  32     if (volume->resource.heap_memory)
  33         return TRUE;
  34
  35     if (!wined3d_resource_allocate_sysmem(&volume->resource))
  36     {
  37         ERR("Failed to allocate system memory.\n");
  38         return FALSE;
  39     }
  40     return TRUE;
  41 }
  42
  43 /* This call just uploads data, the caller is responsible for binding the
  44  * correct texture. */
  45 /* Context activation is done by the caller. */
  46 void wined3d_volume_upload_data(struct wined3d_volume *volume, const struct wined3d_context *context,
  47         const struct wined3d_const_bo_address *data)
  48 {
  49     const struct wined3d_gl_info *gl_info = context->gl_info;
  50     const struct wined3d_format *format = volume->resource.format;
  51     UINT width = volume->resource.width;
  52     UINT height = volume->resource.height;
  53     UINT depth = volume->resource.depth;
  54     const void *mem = data->addr;
  55     void *converted_mem = NULL;
  56
  57     TRACE("volume %p, context %p, level %u, format %s (%#x).\n",
  58             volume, context, volume->texture_level, debug_d3dformat(format->id),
  59             format->id);
  60
  61     if (format->convert)
  62     {
  63         UINT dst_row_pitch, dst_slice_pitch;
  64         UINT src_row_pitch, src_slice_pitch;
  65
  66         if (data->buffer_object)
  67             ERR("Loading a converted volume from a PBO.\n");
  68         if (volume->container->resource.format_flags & WINED3DFMT_FLAG_BLOCKS)
  69             ERR("Converting a block-based format.\n");
  70
  71         dst_row_pitch = width * format->conv_byte_count;
  72         dst_slice_pitch = dst_row_pitch * height;
  73
  74         wined3d_texture_get_pitch(volume->container, volume->texture_level, &src_row_pitch, &src_slice_pitch);
  75
  76         converted_mem = HeapAlloc(GetProcessHeap(), 0, dst_slice_pitch * depth);
  77         format->convert(data->addr, converted_mem, src_row_pitch, src_slice_pitch,
  78                 dst_row_pitch, dst_slice_pitch, width, height, depth);
  79         mem = converted_mem;
  80     }
  81
  82     if (data->buffer_object)
  83     {
  84         GL_EXTCALL(glBindBuffer(GL_PIXEL_UNPACK_BUFFER, data->buffer_object));
  85         checkGLcall("glBindBuffer");
  86     }
  87
  88     GL_EXTCALL(glTexSubImage3D(GL_TEXTURE_3D, volume->texture_level, 0, 0, 0,
  89             width, height, depth,
  90             format->glFormat, format->glType, mem));
  91     checkGLcall("glTexSubImage3D");
  92
  93     if (data->buffer_object)
  94     {
  95         GL_EXTCALL(glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0));
  96         checkGLcall("glBindBuffer");
  97     }
  98
  99     HeapFree(GetProcessHeap(), 0, converted_mem);
 100 }
 101
 102 void wined3d_volume_validate_location(struct wined3d_volume *volume, DWORD location)
 103 {
 104     TRACE("Volume %p, setting %s.\n", volume, wined3d_debug_location(location));
 105     volume->locations |= location;
 106     TRACE("new location flags are %s.\n", wined3d_debug_location(volume->locations));
 107 }
 108
 109 void wined3d_volume_invalidate_location(struct wined3d_volume *volume, DWORD location)
 110 {
 111     TRACE("Volume %p, clearing %s.\n", volume, wined3d_debug_location(location));
 112     volume->locations &= ~location;
 113     TRACE("new location flags are %s.\n", wined3d_debug_location(volume->locations));
 114 }
 115
 116 /* Context activation is done by the caller. */
 117 static void wined3d_volume_download_data(struct wined3d_volume *volume,
 118         const struct wined3d_context *context, const struct wined3d_bo_address *data)
 119 {
 120     const struct wined3d_gl_info *gl_info = context->gl_info;
 121     const struct wined3d_format *format = volume->resource.format;
 122
 123     if (format->convert)
 124     {
 125         FIXME("Attempting to download a converted volume, format %s.\n",
 126                 debug_d3dformat(format->id));
 127         return;
 128     }
 129
 130     if (data->buffer_object)
 131     {
 132         GL_EXTCALL(glBindBuffer(GL_PIXEL_PACK_BUFFER, data->buffer_object));
 133         checkGLcall("glBindBuffer");
 134     }
 135
 136     gl_info->gl_ops.gl.p_glGetTexImage(GL_TEXTURE_3D, volume->texture_level,
 137             format->glFormat, format->glType, data->addr);
 138     checkGLcall("glGetTexImage");
 139
 140     if (data->buffer_object)
 141     {
 142         GL_EXTCALL(glBindBuffer(GL_PIXEL_PACK_BUFFER, 0));
 143         checkGLcall("glBindBuffer");
 144     }
 145
 146 }
 147
 148 static void wined3d_volume_evict_sysmem(struct wined3d_volume *volume)
 149 {
 150     wined3d_resource_free_sysmem(&volume->resource);
 151     wined3d_volume_invalidate_location(volume, WINED3D_LOCATION_SYSMEM);
 152 }
 153
 154 static DWORD volume_access_from_location(DWORD location)
 155 {
 156     switch (location)
 157     {
 158         case WINED3D_LOCATION_DISCARDED:
 159             return 0;
 160
 161         case WINED3D_LOCATION_SYSMEM:
 162             return WINED3D_RESOURCE_ACCESS_CPU;
 163
 164         case WINED3D_LOCATION_BUFFER:
 165         case WINED3D_LOCATION_TEXTURE_RGB:
 166         case WINED3D_LOCATION_TEXTURE_SRGB:
 167             return WINED3D_RESOURCE_ACCESS_GPU;
 168
 169         default:
 170             FIXME("Unhandled location %#x.\n", location);
 171             return 0;
 172     }
 173 }
 174
 175 /* Context activation is done by the caller. */
 176 static void wined3d_volume_srgb_transfer(struct wined3d_volume *volume,
 177         struct wined3d_context *context, BOOL dest_is_srgb)
 178 {
 179     struct wined3d_bo_address data;
 180     /* Optimizations are possible, but the effort should be put into either
 181      * implementing EXT_SRGB_DECODE in the driver or finding out why we
 182      * picked the wrong copy for the original upload and fixing that.
 183      *
 184      * Also keep in mind that we want to avoid using resource.heap_memory
 185      * for DEFAULT pool surfaces. */
 186
 187     WARN_(d3d_perf)("Performing slow rgb/srgb volume transfer.\n");
 188     data.buffer_object = 0;
 189     data.addr = HeapAlloc(GetProcessHeap(), 0, volume->resource.size);
 190     if (!data.addr)
 191         return;
 192
 193     wined3d_texture_bind_and_dirtify(volume->container, context, !dest_is_srgb);
 194     wined3d_volume_download_data(volume, context, &data);
 195     wined3d_texture_bind_and_dirtify(volume->container, context, dest_is_srgb);
 196     wined3d_volume_upload_data(volume, context, wined3d_const_bo_address(&data));
 197
 198     HeapFree(GetProcessHeap(), 0, data.addr);
 199 }
 200
 201 static BOOL wined3d_volume_can_evict(const struct wined3d_volume *volume)
 202 {
 203     if (volume->resource.pool != WINED3D_POOL_MANAGED)
 204         return FALSE;
 205     if (volume->download_count >= 10)
 206         return FALSE;
 207     if (volume->resource.format->convert)
 208         return FALSE;
 209
 210     return TRUE;
 211 }
 212 /* Context activation is done by the caller. */
 213 static void wined3d_volume_load_location(struct wined3d_volume *volume,
 214         struct wined3d_context *context, DWORD location)
 215 {
 216     DWORD required_access = volume_access_from_location(location);
 217
 218     TRACE("Volume %p, loading %s, have %s.\n", volume, wined3d_debug_location(location),
 219         wined3d_debug_location(volume->locations));
 220
 221     if ((volume->locations & location) == location)
 222     {
 223         TRACE("Location(s) already up to date.\n");
 224         return;
 225     }
 226
 227     if ((volume->resource.access_flags & required_access) != required_access)
 228     {
 229         ERR("Operation requires %#x access, but volume only has %#x.\n",
 230                 required_access, volume->resource.access_flags);
 231         return;
 232     }
 233
 234     switch (location)
 235     {
 236         case WINED3D_LOCATION_TEXTURE_RGB:
 237         case WINED3D_LOCATION_TEXTURE_SRGB:
 238             if ((location == WINED3D_LOCATION_TEXTURE_RGB
 239                     && !(volume->container->flags & WINED3D_TEXTURE_RGB_ALLOCATED))
 240                     || (location == WINED3D_LOCATION_TEXTURE_SRGB
 241                     && !(volume->container->flags & WINED3D_TEXTURE_SRGB_ALLOCATED)))
 242                 ERR("Trying to load (s)RGB texture without prior allocation.\n");
 243
 244             if (volume->locations & WINED3D_LOCATION_DISCARDED)
 245             {
 246                 TRACE("Volume previously discarded, nothing to do.\n");
 247                 wined3d_volume_invalidate_location(volume, WINED3D_LOCATION_DISCARDED);
 248             }
 249             else if (volume->locations & WINED3D_LOCATION_SYSMEM)
 250             {
 251                 struct wined3d_const_bo_address data = {0, volume->resource.heap_memory};
 252                 wined3d_texture_bind_and_dirtify(volume->container, context,
 253                         location == WINED3D_LOCATION_TEXTURE_SRGB);
 254                 wined3d_volume_upload_data(volume, context, &data);
 255             }
 256             else if (volume->locations & WINED3D_LOCATION_BUFFER)
 257             {
 258                 struct wined3d_const_bo_address data = {volume->pbo, NULL};
 259                 wined3d_texture_bind_and_dirtify(volume->container, context,
 260                         location == WINED3D_LOCATION_TEXTURE_SRGB);
 261                 wined3d_volume_upload_data(volume, context, &data);
 262             }
 263             else if (volume->locations & WINED3D_LOCATION_TEXTURE_RGB)
 264             {
 265                 wined3d_volume_srgb_transfer(volume, context, TRUE);
 266             }
 267             else if (volume->locations & WINED3D_LOCATION_TEXTURE_SRGB)
 268             {
 269                 wined3d_volume_srgb_transfer(volume, context, FALSE);
 270             }
 271             else
 272             {
 273                 FIXME("Implement texture loading from %s.\n", wined3d_debug_location(volume->locations));
 274                 return;
 275             }
 276             wined3d_volume_validate_location(volume, location);
 277
 278             if (wined3d_volume_can_evict(volume))
 279                 wined3d_volume_evict_sysmem(volume);
 280
 281             break;
 282
 283         case WINED3D_LOCATION_SYSMEM:
 284             if (!volume->resource.heap_memory)
 285                 ERR("Trying to load WINED3D_LOCATION_SYSMEM without setting it up first.\n");
 286
 287             if (volume->locations & WINED3D_LOCATION_DISCARDED)
 288             {
 289                 TRACE("Volume previously discarded, nothing to do.\n");
 290                 wined3d_volume_invalidate_location(volume, WINED3D_LOCATION_DISCARDED);
 291             }
 292             else if (volume->locations & (WINED3D_LOCATION_TEXTURE_RGB | WINED3D_LOCATION_TEXTURE_SRGB))
 293             {
 294                 struct wined3d_bo_address data = {0, volume->resource.heap_memory};
 295
 296                 if (volume->locations & WINED3D_LOCATION_TEXTURE_RGB)
 297                     wined3d_texture_bind_and_dirtify(volume->container, context, FALSE);
 298                 else
 299                     wined3d_texture_bind_and_dirtify(volume->container, context, TRUE);
 300
 301                 volume->download_count++;
 302                 wined3d_volume_download_data(volume, context, &data);
 303             }
 304             else
 305             {
 306                 FIXME("Implement WINED3D_LOCATION_SYSMEM loading from %s.\n",
 307                         wined3d_debug_location(volume->locations));
 308                 return;
 309             }
 310             wined3d_volume_validate_location(volume, WINED3D_LOCATION_SYSMEM);
 311             break;
 312
 313         case WINED3D_LOCATION_BUFFER:
 314             if (!volume->pbo)
 315                 ERR("Trying to load WINED3D_LOCATION_BUFFER without setting it up first.\n");
 316
 317             if (volume->locations & WINED3D_LOCATION_DISCARDED)
 318             {
 319                 TRACE("Volume previously discarded, nothing to do.\n");
 320                 wined3d_volume_invalidate_location(volume, WINED3D_LOCATION_DISCARDED);
 321             }
 322             else if (volume->locations & (WINED3D_LOCATION_TEXTURE_RGB | WINED3D_LOCATION_TEXTURE_SRGB))
 323             {
 324                 struct wined3d_bo_address data = {volume->pbo, NULL};
 325
 326                 if (volume->locations & WINED3D_LOCATION_TEXTURE_RGB)
 327                     wined3d_texture_bind_and_dirtify(volume->container, context, FALSE);
 328                 else
 329                     wined3d_texture_bind_and_dirtify(volume->container, context, TRUE);
 330
 331                 wined3d_volume_download_data(volume, context, &data);
 332             }
 333             else
 334             {
 335                 FIXME("Implement WINED3D_LOCATION_BUFFER loading from %s.\n",
 336                         wined3d_debug_location(volume->locations));
 337                 return;
 338             }
 339             wined3d_volume_validate_location(volume, WINED3D_LOCATION_BUFFER);
 340             break;
 341
 342         default:
 343             FIXME("Implement %s loading from %s.\n", wined3d_debug_location(location),
 344                     wined3d_debug_location(volume->locations));
 345     }
 346 }
 347
 348 /* Context activation is done by the caller. */
 349 void wined3d_volume_load(struct wined3d_volume *volume, struct wined3d_context *context, BOOL srgb_mode)
 350 {
 351     wined3d_texture_prepare_texture(volume->container, context, srgb_mode);
 352     wined3d_volume_load_location(volume, context,
 353             srgb_mode ? WINED3D_LOCATION_TEXTURE_SRGB : WINED3D_LOCATION_TEXTURE_RGB);
 354 }
 355
 356 /* Context activation is done by the caller. */
 357 static void wined3d_volume_prepare_pbo(struct wined3d_volume *volume, struct wined3d_context *context)
 358 {
 359     const struct wined3d_gl_info *gl_info = context->gl_info;
 360
 361     if (volume->pbo)
 362         return;
 363
 364     GL_EXTCALL(glGenBuffers(1, &volume->pbo));
 365     GL_EXTCALL(glBindBuffer(GL_PIXEL_UNPACK_BUFFER, volume->pbo));
 366     GL_EXTCALL(glBufferData(GL_PIXEL_UNPACK_BUFFER, volume->resource.size, NULL, GL_STREAM_DRAW));
 367     GL_EXTCALL(glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0));
 368     checkGLcall("Create PBO");
 369
 370     TRACE("Created PBO %u for volume %p.\n", volume->pbo, volume);
 371 }
 372
 373 static void wined3d_volume_free_pbo(struct wined3d_volume *volume)
 374 {
 375     struct wined3d_context *context = context_acquire(volume->resource.device, NULL);
 376     const struct wined3d_gl_info *gl_info = context->gl_info;
 377
 378     TRACE("Deleting PBO %u belonging to volume %p.\n", volume->pbo, volume);
 379     GL_EXTCALL(glDeleteBuffers(1, &volume->pbo));
 380     checkGLcall("glDeleteBuffers");
 381     volume->pbo = 0;
 382     context_release(context);
 383 }
 384
 385 void wined3d_volume_destroy(struct wined3d_volume *volume)
 386 {
 387     TRACE("volume %p.\n", volume);
 388
 389     if (volume->pbo)
 390         wined3d_volume_free_pbo(volume);
 391
 392     resource_cleanup(&volume->resource);
 393     volume->resource.parent_ops->wined3d_object_destroyed(volume->resource.parent);
 394     HeapFree(GetProcessHeap(), 0, volume);
 395 }
 396
 397 static void volume_unload(struct wined3d_resource *resource)
 398 {
 399     struct wined3d_volume *volume = volume_from_resource(resource);
 400     struct wined3d_device *device = volume->resource.device;
 401     struct wined3d_context *context;
 402
 403     if (volume->resource.pool == WINED3D_POOL_DEFAULT)
 404         ERR("Unloading DEFAULT pool volume.\n");
 405
 406     TRACE("texture %p.\n", resource);
 407
 408     if (volume_prepare_system_memory(volume))
 409     {
 410         context = context_acquire(device, NULL);
 411         wined3d_volume_load_location(volume, context, WINED3D_LOCATION_SYSMEM);
 412         context_release(context);
 413         wined3d_volume_invalidate_location(volume, ~WINED3D_LOCATION_SYSMEM);
 414     }
 415     else
 416     {
 417         ERR("Out of memory when unloading volume %p.\n", volume);
 418         wined3d_volume_validate_location(volume, WINED3D_LOCATION_DISCARDED);
 419         wined3d_volume_invalidate_location(volume, ~WINED3D_LOCATION_DISCARDED);
 420     }
 421
 422     if (volume->pbo)
 423     {
 424         /* Should not happen because only dynamic default pool volumes
 425          * have a buffer, and those are not evicted by device_evit_managed_resources
 426          * and must be freed before a non-ex device reset. */
 427         ERR("Unloading a volume with a buffer\n");
 428         wined3d_volume_free_pbo(volume);
 429     }
 430
 431     /* The texture name is managed by the container. */
 432
 433     resource_unload(resource);
 434 }
 435
 436 static BOOL wined3d_volume_check_box_dimensions(const struct wined3d_volume *volume,
 437         const struct wined3d_box *box)
 438 {
 439     if (!box)
 440         return TRUE;
 441
 442     if (box->left >= box->right)
 443         return FALSE;
 444     if (box->top >= box->bottom)
 445         return FALSE;
 446     if (box->front >= box->back)
 447         return FALSE;
 448     if (box->right > volume->resource.width)
 449         return FALSE;
 450     if (box->bottom > volume->resource.height)
 451         return FALSE;
 452     if (box->back > volume->resource.depth)
 453         return FALSE;
 454
 455     return TRUE;
 456 }
 457
 458 HRESULT wined3d_volume_map(struct wined3d_volume *volume,
 459         struct wined3d_map_desc *map_desc, const struct wined3d_box *box, DWORD flags)
 460 {
 461     struct wined3d_device *device = volume->resource.device;
 462     struct wined3d_context *context;
 463     const struct wined3d_gl_info *gl_info;
 464     BYTE *base_memory;
 465     const struct wined3d_format *format = volume->resource.format;
 466     const unsigned int fmt_flags = volume->container->resource.format_flags;
 467
 468     TRACE("volume %p, map_desc %p, box %s, flags %#x.\n",
 469             volume, map_desc, debug_box(box), flags);
 470
 471     map_desc->data = NULL;
 472     if (!(volume->resource.access_flags & WINED3D_RESOURCE_ACCESS_CPU))
 473     {
 474         WARN("Volume %p is not CPU accessible.\n", volume);
 475         return WINED3DERR_INVALIDCALL;
 476     }
 477     if (volume->resource.map_count)
 478     {
 479         WARN("Volume is already mapped.\n");
 480         return WINED3DERR_INVALIDCALL;
 481     }
 482     if (!wined3d_volume_check_box_dimensions(volume, box))
 483     {
 484         WARN("Map box is invalid.\n");
 485         return WINED3DERR_INVALIDCALL;
 486     }
 487     if ((fmt_flags & WINED3DFMT_FLAG_BLOCKS) && box
 488             && !wined3d_texture_check_block_align(volume->container, volume->texture_level, box))
 489     {
 490         WARN("Map box %s is misaligned for %ux%u blocks.\n",
 491                 debug_box(box), format->block_width, format->block_height);
 492         return WINED3DERR_INVALIDCALL;
 493     }
 494
 495     flags = wined3d_resource_sanitize_map_flags(&volume->resource, flags);
 496
 497     if (volume->resource.map_binding == WINED3D_LOCATION_BUFFER)
 498     {
 499         context = context_acquire(device, NULL);
 500         gl_info = context->gl_info;
 501
 502         wined3d_volume_prepare_pbo(volume, context);
 503         if (flags & WINED3D_MAP_DISCARD)
 504             wined3d_volume_validate_location(volume, WINED3D_LOCATION_BUFFER);
 505         else
 506             wined3d_volume_load_location(volume, context, WINED3D_LOCATION_BUFFER);
 507
 508         GL_EXTCALL(glBindBuffer(GL_PIXEL_UNPACK_BUFFER, volume->pbo));
 509
 510         if (gl_info->supported[ARB_MAP_BUFFER_RANGE])
 511         {
 512             GLbitfield mapflags = wined3d_resource_gl_map_flags(flags);
 513             mapflags &= ~GL_MAP_FLUSH_EXPLICIT_BIT;
 514             base_memory = GL_EXTCALL(glMapBufferRange(GL_PIXEL_UNPACK_BUFFER,
 515                     0, volume->resource.size, mapflags));
 516         }
 517         else
 518         {
 519             GLenum access = wined3d_resource_gl_legacy_map_flags(flags);
 520             base_memory = GL_EXTCALL(glMapBuffer(GL_PIXEL_UNPACK_BUFFER, access));
 521         }
 522
 523         GL_EXTCALL(glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0));
 524         checkGLcall("Map PBO");
 525
 526         context_release(context);
 527     }
 528     else
 529     {
 530         if (!volume_prepare_system_memory(volume))
 531         {
 532             WARN("Out of memory.\n");
 533             map_desc->data = NULL;
 534             return E_OUTOFMEMORY;
 535         }
 536
 537         if (flags & WINED3D_MAP_DISCARD)
 538         {
 539             wined3d_volume_validate_location(volume, WINED3D_LOCATION_SYSMEM);
 540         }
 541         else if (!(volume->locations & WINED3D_LOCATION_SYSMEM))
 542         {
 543             context = context_acquire(device, NULL);
 544             wined3d_volume_load_location(volume, context, WINED3D_LOCATION_SYSMEM);
 545             context_release(context);
 546         }
 547         base_memory = volume->resource.heap_memory;
 548     }
 549
 550     TRACE("Base memory pointer %p.\n", base_memory);
 551
 552     if (fmt_flags & WINED3DFMT_FLAG_BROKEN_PITCH)
 553     {
 554         map_desc->row_pitch = volume->resource.width * format->byte_count;
 555         map_desc->slice_pitch = map_desc->row_pitch * volume->resource.height;
 556     }
 557     else
 558     {
 559         wined3d_texture_get_pitch(volume->container, volume->texture_level,
 560                 &map_desc->row_pitch, &map_desc->slice_pitch);
 561     }
 562
 563     if (!box)
 564     {
 565         map_desc->data = base_memory;
 566     }
 567     else
 568     {
 569         if ((fmt_flags & (WINED3DFMT_FLAG_BLOCKS | WINED3DFMT_FLAG_BROKEN_PITCH)) == WINED3DFMT_FLAG_BLOCKS)
 570         {
 571             /* Compressed textures are block based, so calculate the offset of
 572              * the block that contains the top-left pixel of the locked rectangle. */
 573             map_desc->data = base_memory
 574                     + (box->front * map_desc->slice_pitch)
 575                     + ((box->top / format->block_height) * map_desc->row_pitch)
 576                     + ((box->left / format->block_width) * format->block_byte_count);
 577         }
 578         else
 579         {
 580             map_desc->data = base_memory
 581                     + (map_desc->slice_pitch * box->front)
 582                     + (map_desc->row_pitch * box->top)
 583                     + (box->left * volume->resource.format->byte_count);
 584         }
 585     }
 586
 587     if (!(flags & (WINED3D_MAP_NO_DIRTY_UPDATE | WINED3D_MAP_READONLY)))
 588     {
 589         wined3d_texture_set_dirty(volume->container);
 590         wined3d_volume_invalidate_location(volume, ~volume->resource.map_binding);
 591     }
 592
 593     volume->resource.map_count++;
 594
 595     TRACE("Returning memory %p, row pitch %d, slice pitch %d.\n",
 596             map_desc->data, map_desc->row_pitch, map_desc->slice_pitch);
 597
 598     return WINED3D_OK;
 599 }
 600
 601 HRESULT wined3d_volume_unmap(struct wined3d_volume *volume)
 602 {
 603     TRACE("volume %p.\n", volume);
 604
 605     if (!volume->resource.map_count)
 606     {
 607         WARN("Trying to unlock an unlocked volume %p.\n", volume);
 608         return WINED3DERR_INVALIDCALL;
 609     }
 610
 611     if (volume->resource.map_binding == WINED3D_LOCATION_BUFFER)
 612     {
 613         struct wined3d_device *device = volume->resource.device;
 614         struct wined3d_context *context = context_acquire(device, NULL);
 615         const struct wined3d_gl_info *gl_info = context->gl_info;
 616
 617         GL_EXTCALL(glBindBuffer(GL_PIXEL_UNPACK_BUFFER, volume->pbo));
 618         GL_EXTCALL(glUnmapBuffer(GL_PIXEL_UNPACK_BUFFER));
 619         GL_EXTCALL(glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0));
 620         checkGLcall("Unmap PBO");
 621
 622         context_release(context);
 623     }
 624
 625     volume->resource.map_count--;
 626
 627     return WINED3D_OK;
 628 }
 629
 630 static ULONG volume_resource_incref(struct wined3d_resource *resource)
 631 {
 632     struct wined3d_volume *volume = volume_from_resource(resource);
 633     TRACE("Forwarding to container %p.\n", volume->container);
 634
 635     return wined3d_texture_incref(volume->container);
 636 }
 637
 638 static ULONG volume_resource_decref(struct wined3d_resource *resource)
 639 {
 640     struct wined3d_volume *volume = volume_from_resource(resource);
 641     TRACE("Forwarding to container %p.\n", volume->container);
 642
 643     return wined3d_texture_decref(volume->container);
 644 }
 645
 646 static HRESULT volume_resource_sub_resource_map(struct wined3d_resource *resource, unsigned int sub_resource_idx,
 647         struct wined3d_map_desc *map_desc, const struct wined3d_box *box, DWORD flags)
 648 {
 649     ERR("Not supported on sub-resources.\n");
 650     return WINED3DERR_INVALIDCALL;
 651 }
 652
 653 static HRESULT volume_resource_sub_resource_unmap(struct wined3d_resource *resource, unsigned int sub_resource_idx)
 654 {
 655     ERR("Not supported on sub-resources.\n");
 656     return WINED3DERR_INVALIDCALL;
 657 }
 658
 659 static const struct wined3d_resource_ops volume_resource_ops =
 660 {
 661     volume_resource_incref,
 662     volume_resource_decref,
 663     volume_unload,
 664     volume_resource_sub_resource_map,
 665     volume_resource_sub_resource_unmap,
 666 };
 667
 668 static HRESULT volume_init(struct wined3d_volume *volume, struct wined3d_texture *container,
 669         const struct wined3d_resource_desc *desc, UINT level)
 670 {
 671     struct wined3d_device *device = container->resource.device;
 672     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 673     const struct wined3d_format *format = wined3d_get_format(gl_info, desc->format);
 674     HRESULT hr;
 675     UINT size;
 676
 677     /* TODO: Write tests for other resources and move this check
 678      * to resource_init, if applicable. */
 679     if (desc->usage & WINED3DUSAGE_DYNAMIC
 680             && (desc->pool == WINED3D_POOL_MANAGED || desc->pool == WINED3D_POOL_SCRATCH))
 681     {
 682         WARN("Attempted to create a DYNAMIC texture in pool %s.\n", debug_d3dpool(desc->pool));
 683         return WINED3DERR_INVALIDCALL;
 684     }
 685
 686     size = wined3d_format_calculate_size(format, device->surface_alignment, desc->width, desc->height, desc->depth);
 687
 688     if (FAILED(hr = resource_init(&volume->resource, device, WINED3D_RTYPE_VOLUME, format,
 689             WINED3D_MULTISAMPLE_NONE, 0, desc->usage, desc->pool, desc->width, desc->height, desc->depth,
 690             size, NULL, &wined3d_null_parent_ops, &volume_resource_ops)))
 691     {
 692         WARN("Failed to initialize resource, returning %#x.\n", hr);
 693         return hr;
 694     }
 695
 696     volume->texture_level = level;
 697     volume->locations = WINED3D_LOCATION_DISCARDED;
 698
 699     if (desc->pool == WINED3D_POOL_DEFAULT && desc->usage & WINED3DUSAGE_DYNAMIC
 700             && gl_info->supported[ARB_PIXEL_BUFFER_OBJECT]
 701             && !format->convert)
 702     {
 703         wined3d_resource_free_sysmem(&volume->resource);
 704         volume->resource.map_binding = WINED3D_LOCATION_BUFFER;
 705     }
 706
 707     volume->container = container;
 708
 709     return WINED3D_OK;
 710 }
 711
 712 HRESULT wined3d_volume_create(struct wined3d_texture *container, const struct wined3d_resource_desc *desc,
 713         unsigned int level, struct wined3d_volume **volume)
 714 {
 715     struct wined3d_device_parent *device_parent = container->resource.device->device_parent;
 716     const struct wined3d_parent_ops *parent_ops;
 717     struct wined3d_volume *object;
 718     void *parent;
 719     HRESULT hr;
 720
 721     TRACE("container %p, width %u, height %u, depth %u, level %u, format %s, "
 722             "usage %#x, pool %s, volume %p.\n",
 723             container, desc->width, desc->height, desc->depth, level, debug_d3dformat(desc->format),
 724             desc->usage, debug_d3dpool(desc->pool), volume);
 725
 726     if (!(object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object))))
 727         return E_OUTOFMEMORY;
 728
 729     if (FAILED(hr = volume_init(object, container, desc, level)))
 730     {
 731         WARN("Failed to initialize volume, returning %#x.\n", hr);
 732         HeapFree(GetProcessHeap(), 0, object);
 733         return hr;
 734     }
 735
 736     if (FAILED(hr = device_parent->ops->volume_created(device_parent,
 737             container, level, &parent, &parent_ops)))
 738     {
 739         WARN("Failed to create volume parent, hr %#x.\n", hr);
 740         wined3d_volume_destroy(object);
 741         return hr;
 742     }
 743
 744     TRACE("Created volume %p, parent %p, parent_ops %p.\n", object, parent, parent_ops);
 745
 746     object->resource.parent = parent;
 747     object->resource.parent_ops = parent_ops;
 748     *volume = object;
 749
 750     return WINED3D_OK;
 751 }