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 void wined3d_volume_get_pitch(const struct wined3d_volume *volume, UINT *row_pitch, UINT *slice_pitch)
  44 {
  45     wined3d_format_calculate_pitch(volume->resource.format, volume->resource.device->surface_alignment,
  46             volume->resource.width, volume->resource.height, row_pitch, slice_pitch);
  47 }
  48
  49 /* This call just uploads data, the caller is responsible for binding the
  50  * correct texture. */
  51 /* Context activation is done by the caller. */
  52 void wined3d_volume_upload_data(struct wined3d_volume *volume, const struct wined3d_context *context,
  53         const struct wined3d_const_bo_address *data)
  54 {
  55     const struct wined3d_gl_info *gl_info = context->gl_info;
  56     const struct wined3d_format *format = volume->resource.format;
  57     UINT width = volume->resource.width;
  58     UINT height = volume->resource.height;
  59     UINT depth = volume->resource.depth;
  60     const void *mem = data->addr;
  61     void *converted_mem = NULL;
  62
  63     TRACE("volume %p, context %p, level %u, format %s (%#x).\n",
  64             volume, context, volume->texture_level, debug_d3dformat(format->id),
  65             format->id);
  66
  67     if (format->convert)
  68     {
  69         UINT dst_row_pitch, dst_slice_pitch;
  70         UINT src_row_pitch, src_slice_pitch;
  71
  72         if (data->buffer_object)
  73             ERR("Loading a converted volume from a PBO.\n");
  74         if (volume->container->resource.format_flags & WINED3DFMT_FLAG_BLOCKS)
  75             ERR("Converting a block-based format.\n");
  76
  77         dst_row_pitch = width * format->conv_byte_count;
  78         dst_slice_pitch = dst_row_pitch * height;
  79
  80         wined3d_volume_get_pitch(volume, &src_row_pitch, &src_slice_pitch);
  81
  82         converted_mem = HeapAlloc(GetProcessHeap(), 0, dst_slice_pitch * depth);
  83         format->convert(data->addr, converted_mem, src_row_pitch, src_slice_pitch,
  84                 dst_row_pitch, dst_slice_pitch, width, height, depth);
  85         mem = converted_mem;
  86     }
  87
  88     if (data->buffer_object)
  89     {
  90         GL_EXTCALL(glBindBuffer(GL_PIXEL_UNPACK_BUFFER, data->buffer_object));
  91         checkGLcall("glBindBuffer");
  92     }
  93
  94     GL_EXTCALL(glTexSubImage3D(GL_TEXTURE_3D, volume->texture_level, 0, 0, 0,
  95             width, height, depth,
  96             format->glFormat, format->glType, mem));
  97     checkGLcall("glTexSubImage3D");
  98
  99     if (data->buffer_object)
 100     {
 101         GL_EXTCALL(glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0));
 102         checkGLcall("glBindBuffer");
 103     }
 104
 105     HeapFree(GetProcessHeap(), 0, converted_mem);
 106 }
 107
 108 void wined3d_volume_validate_location(struct wined3d_volume *volume, DWORD location)
 109 {
 110     TRACE("Volume %p, setting %s.\n", volume, wined3d_debug_location(location));
 111     volume->locations |= location;
 112     TRACE("new location flags are %s.\n", wined3d_debug_location(volume->locations));
 113 }
 114
 115 void wined3d_volume_invalidate_location(struct wined3d_volume *volume, DWORD location)
 116 {
 117     TRACE("Volume %p, clearing %s.\n", volume, wined3d_debug_location(location));
 118     volume->locations &= ~location;
 119     TRACE("new location flags are %s.\n", wined3d_debug_location(volume->locations));
 120 }
 121
 122 /* Context activation is done by the caller. */
 123 static void wined3d_volume_download_data(struct wined3d_volume *volume,
 124         const struct wined3d_context *context, const struct wined3d_bo_address *data)
 125 {
 126     const struct wined3d_gl_info *gl_info = context->gl_info;
 127     const struct wined3d_format *format = volume->resource.format;
 128
 129     if (format->convert)
 130     {
 131         FIXME("Attempting to download a converted volume, format %s.\n",
 132                 debug_d3dformat(format->id));
 133         return;
 134     }
 135
 136     if (data->buffer_object)
 137     {
 138         GL_EXTCALL(glBindBuffer(GL_PIXEL_PACK_BUFFER, data->buffer_object));
 139         checkGLcall("glBindBuffer");
 140     }
 141
 142     gl_info->gl_ops.gl.p_glGetTexImage(GL_TEXTURE_3D, volume->texture_level,
 143             format->glFormat, format->glType, data->addr);
 144     checkGLcall("glGetTexImage");
 145
 146     if (data->buffer_object)
 147     {
 148         GL_EXTCALL(glBindBuffer(GL_PIXEL_PACK_BUFFER, 0));
 149         checkGLcall("glBindBuffer");
 150     }
 151
 152 }
 153
 154 static void wined3d_volume_evict_sysmem(struct wined3d_volume *volume)
 155 {
 156     wined3d_resource_free_sysmem(&volume->resource);
 157     wined3d_volume_invalidate_location(volume, WINED3D_LOCATION_SYSMEM);
 158 }
 159
 160 static DWORD volume_access_from_location(DWORD location)
 161 {
 162     switch (location)
 163     {
 164         case WINED3D_LOCATION_DISCARDED:
 165             return 0;
 166
 167         case WINED3D_LOCATION_SYSMEM:
 168             return WINED3D_RESOURCE_ACCESS_CPU;
 169
 170         case WINED3D_LOCATION_BUFFER:
 171         case WINED3D_LOCATION_TEXTURE_RGB:
 172         case WINED3D_LOCATION_TEXTURE_SRGB:
 173             return WINED3D_RESOURCE_ACCESS_GPU;
 174
 175         default:
 176             FIXME("Unhandled location %#x.\n", location);
 177             return 0;
 178     }
 179 }
 180
 181 /* Context activation is done by the caller. */
 182 static void wined3d_volume_srgb_transfer(struct wined3d_volume *volume,
 183         struct wined3d_context *context, BOOL dest_is_srgb)
 184 {
 185     struct wined3d_bo_address data;
 186     /* Optimizations are possible, but the effort should be put into either
 187      * implementing EXT_SRGB_DECODE in the driver or finding out why we
 188      * picked the wrong copy for the original upload and fixing that.
 189      *
 190      * Also keep in mind that we want to avoid using resource.heap_memory
 191      * for DEFAULT pool surfaces. */
 192
 193     WARN_(d3d_perf)("Performing slow rgb/srgb volume transfer.\n");
 194     data.buffer_object = 0;
 195     data.addr = HeapAlloc(GetProcessHeap(), 0, volume->resource.size);
 196     if (!data.addr)
 197         return;
 198
 199     wined3d_texture_bind_and_dirtify(volume->container, context, !dest_is_srgb);
 200     wined3d_volume_download_data(volume, context, &data);
 201     wined3d_texture_bind_and_dirtify(volume->container, context, dest_is_srgb);
 202     wined3d_volume_upload_data(volume, context, wined3d_const_bo_address(&data));
 203
 204     HeapFree(GetProcessHeap(), 0, data.addr);
 205 }
 206
 207 static BOOL wined3d_volume_can_evict(const struct wined3d_volume *volume)
 208 {
 209     if (volume->resource.pool != WINED3D_POOL_MANAGED)
 210         return FALSE;
 211     if (volume->download_count >= 10)
 212         return FALSE;
 213     if (volume->resource.format->convert)
 214         return FALSE;
 215
 216     return TRUE;
 217 }
 218 /* Context activation is done by the caller. */
 219 static void wined3d_volume_load_location(struct wined3d_volume *volume,
 220         struct wined3d_context *context, DWORD location)
 221 {
 222     DWORD required_access = volume_access_from_location(location);
 223
 224     TRACE("Volume %p, loading %s, have %s.\n", volume, wined3d_debug_location(location),
 225         wined3d_debug_location(volume->locations));
 226
 227     if ((volume->locations & location) == location)
 228     {
 229         TRACE("Location(s) already up to date.\n");
 230         return;
 231     }
 232
 233     if ((volume->resource.access_flags & required_access) != required_access)
 234     {
 235         ERR("Operation requires %#x access, but volume only has %#x.\n",
 236                 required_access, volume->resource.access_flags);
 237         return;
 238     }
 239
 240     switch (location)
 241     {
 242         case WINED3D_LOCATION_TEXTURE_RGB:
 243         case WINED3D_LOCATION_TEXTURE_SRGB:
 244             if ((location == WINED3D_LOCATION_TEXTURE_RGB
 245                     && !(volume->container->flags & WINED3D_TEXTURE_RGB_ALLOCATED))
 246                     || (location == WINED3D_LOCATION_TEXTURE_SRGB
 247                     && !(volume->container->flags & WINED3D_TEXTURE_SRGB_ALLOCATED)))
 248                 ERR("Trying to load (s)RGB texture without prior allocation.\n");
 249
 250             if (volume->locations & WINED3D_LOCATION_DISCARDED)
 251             {
 252                 TRACE("Volume previously discarded, nothing to do.\n");
 253                 wined3d_volume_invalidate_location(volume, WINED3D_LOCATION_DISCARDED);
 254             }
 255             else if (volume->locations & WINED3D_LOCATION_SYSMEM)
 256             {
 257                 struct wined3d_const_bo_address data = {0, volume->resource.heap_memory};
 258                 wined3d_texture_bind_and_dirtify(volume->container, context,
 259                         location == WINED3D_LOCATION_TEXTURE_SRGB);
 260                 wined3d_volume_upload_data(volume, context, &data);
 261             }
 262             else if (volume->locations & WINED3D_LOCATION_BUFFER)
 263             {
 264                 struct wined3d_const_bo_address data = {volume->pbo, NULL};
 265                 wined3d_texture_bind_and_dirtify(volume->container, context,
 266                         location == WINED3D_LOCATION_TEXTURE_SRGB);
 267                 wined3d_volume_upload_data(volume, context, &data);
 268             }
 269             else if (volume->locations & WINED3D_LOCATION_TEXTURE_RGB)
 270             {
 271                 wined3d_volume_srgb_transfer(volume, context, TRUE);
 272             }
 273             else if (volume->locations & WINED3D_LOCATION_TEXTURE_SRGB)
 274             {
 275                 wined3d_volume_srgb_transfer(volume, context, FALSE);
 276             }
 277             else
 278             {
 279                 FIXME("Implement texture loading from %s.\n", wined3d_debug_location(volume->locations));
 280                 return;
 281             }
 282             wined3d_volume_validate_location(volume, location);
 283
 284             if (wined3d_volume_can_evict(volume))
 285                 wined3d_volume_evict_sysmem(volume);
 286
 287             break;
 288
 289         case WINED3D_LOCATION_SYSMEM:
 290             if (!volume->resource.heap_memory)
 291                 ERR("Trying to load WINED3D_LOCATION_SYSMEM without setting it up first.\n");
 292
 293             if (volume->locations & WINED3D_LOCATION_DISCARDED)
 294             {
 295                 TRACE("Volume previously discarded, nothing to do.\n");
 296                 wined3d_volume_invalidate_location(volume, WINED3D_LOCATION_DISCARDED);
 297             }
 298             else if (volume->locations & (WINED3D_LOCATION_TEXTURE_RGB | WINED3D_LOCATION_TEXTURE_SRGB))
 299             {
 300                 struct wined3d_bo_address data = {0, volume->resource.heap_memory};
 301
 302                 if (volume->locations & WINED3D_LOCATION_TEXTURE_RGB)
 303                     wined3d_texture_bind_and_dirtify(volume->container, context, FALSE);
 304                 else
 305                     wined3d_texture_bind_and_dirtify(volume->container, context, TRUE);
 306
 307                 volume->download_count++;
 308                 wined3d_volume_download_data(volume, context, &data);
 309             }
 310             else
 311             {
 312                 FIXME("Implement WINED3D_LOCATION_SYSMEM loading from %s.\n",
 313                         wined3d_debug_location(volume->locations));
 314                 return;
 315             }
 316             wined3d_volume_validate_location(volume, WINED3D_LOCATION_SYSMEM);
 317             break;
 318
 319         case WINED3D_LOCATION_BUFFER:
 320             if (!volume->pbo)
 321                 ERR("Trying to load WINED3D_LOCATION_BUFFER without setting it up first.\n");
 322
 323             if (volume->locations & WINED3D_LOCATION_DISCARDED)
 324             {
 325                 TRACE("Volume previously discarded, nothing to do.\n");
 326                 wined3d_volume_invalidate_location(volume, WINED3D_LOCATION_DISCARDED);
 327             }
 328             else if (volume->locations & (WINED3D_LOCATION_TEXTURE_RGB | WINED3D_LOCATION_TEXTURE_SRGB))
 329             {
 330                 struct wined3d_bo_address data = {volume->pbo, NULL};
 331
 332                 if (volume->locations & WINED3D_LOCATION_TEXTURE_RGB)
 333                     wined3d_texture_bind_and_dirtify(volume->container, context, FALSE);
 334                 else
 335                     wined3d_texture_bind_and_dirtify(volume->container, context, TRUE);
 336
 337                 wined3d_volume_download_data(volume, context, &data);
 338             }
 339             else
 340             {
 341                 FIXME("Implement WINED3D_LOCATION_BUFFER loading from %s.\n",
 342                         wined3d_debug_location(volume->locations));
 343                 return;
 344             }
 345             wined3d_volume_validate_location(volume, WINED3D_LOCATION_BUFFER);
 346             break;
 347
 348         default:
 349             FIXME("Implement %s loading from %s.\n", wined3d_debug_location(location),
 350                     wined3d_debug_location(volume->locations));
 351     }
 352 }
 353
 354 /* Context activation is done by the caller. */
 355 void wined3d_volume_load(struct wined3d_volume *volume, struct wined3d_context *context, BOOL srgb_mode)
 356 {
 357     wined3d_texture_prepare_texture(volume->container, context, srgb_mode);
 358     wined3d_volume_load_location(volume, context,
 359             srgb_mode ? WINED3D_LOCATION_TEXTURE_SRGB : WINED3D_LOCATION_TEXTURE_RGB);
 360 }
 361
 362 /* Context activation is done by the caller. */
 363 static void wined3d_volume_prepare_pbo(struct wined3d_volume *volume, struct wined3d_context *context)
 364 {
 365     const struct wined3d_gl_info *gl_info = context->gl_info;
 366
 367     if (volume->pbo)
 368         return;
 369
 370     GL_EXTCALL(glGenBuffers(1, &volume->pbo));
 371     GL_EXTCALL(glBindBuffer(GL_PIXEL_UNPACK_BUFFER, volume->pbo));
 372     GL_EXTCALL(glBufferData(GL_PIXEL_UNPACK_BUFFER, volume->resource.size, NULL, GL_STREAM_DRAW));
 373     GL_EXTCALL(glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0));
 374     checkGLcall("Create PBO");
 375
 376     TRACE("Created PBO %u for volume %p.\n", volume->pbo, volume);
 377 }
 378
 379 static void wined3d_volume_free_pbo(struct wined3d_volume *volume)
 380 {
 381     struct wined3d_context *context = context_acquire(volume->resource.device, NULL);
 382     const struct wined3d_gl_info *gl_info = context->gl_info;
 383
 384     TRACE("Deleting PBO %u belonging to volume %p.\n", volume->pbo, volume);
 385     GL_EXTCALL(glDeleteBuffers(1, &volume->pbo));
 386     checkGLcall("glDeleteBuffers");
 387     volume->pbo = 0;
 388     context_release(context);
 389 }
 390
 391 void wined3d_volume_destroy(struct wined3d_volume *volume)
 392 {
 393     TRACE("volume %p.\n", volume);
 394
 395     if (volume->pbo)
 396         wined3d_volume_free_pbo(volume);
 397
 398     resource_cleanup(&volume->resource);
 399     volume->resource.parent_ops->wined3d_object_destroyed(volume->resource.parent);
 400     HeapFree(GetProcessHeap(), 0, volume);
 401 }
 402
 403 static void volume_unload(struct wined3d_resource *resource)
 404 {
 405     struct wined3d_volume *volume = volume_from_resource(resource);
 406     struct wined3d_device *device = volume->resource.device;
 407     struct wined3d_context *context;
 408
 409     if (volume->resource.pool == WINED3D_POOL_DEFAULT)
 410         ERR("Unloading DEFAULT pool volume.\n");
 411
 412     TRACE("texture %p.\n", resource);
 413
 414     if (volume_prepare_system_memory(volume))
 415     {
 416         context = context_acquire(device, NULL);
 417         wined3d_volume_load_location(volume, context, WINED3D_LOCATION_SYSMEM);
 418         context_release(context);
 419         wined3d_volume_invalidate_location(volume, ~WINED3D_LOCATION_SYSMEM);
 420     }
 421     else
 422     {
 423         ERR("Out of memory when unloading volume %p.\n", volume);
 424         wined3d_volume_validate_location(volume, WINED3D_LOCATION_DISCARDED);
 425         wined3d_volume_invalidate_location(volume, ~WINED3D_LOCATION_DISCARDED);
 426     }
 427
 428     if (volume->pbo)
 429     {
 430         /* Should not happen because only dynamic default pool volumes
 431          * have a buffer, and those are not evicted by device_evit_managed_resources
 432          * and must be freed before a non-ex device reset. */
 433         ERR("Unloading a volume with a buffer\n");
 434         wined3d_volume_free_pbo(volume);
 435     }
 436
 437     /* The texture name is managed by the container. */
 438
 439     resource_unload(resource);
 440 }
 441
 442 static BOOL volume_check_block_align(const struct wined3d_volume *volume,
 443         const struct wined3d_box *box)
 444 {
 445     UINT width_mask, height_mask;
 446     const struct wined3d_format *format = volume->resource.format;
 447
 448     if (!box)
 449         return TRUE;
 450
 451     /* This assumes power of two block sizes, but NPOT block sizes would be
 452      * silly anyway.
 453      *
 454      * This also assumes that the format's block depth is 1. */
 455     width_mask = format->block_width - 1;
 456     height_mask = format->block_height - 1;
 457
 458     if (box->left & width_mask)
 459         return FALSE;
 460     if (box->top & height_mask)
 461         return FALSE;
 462     if (box->right & width_mask && box->right != volume->resource.width)
 463         return FALSE;
 464     if (box->bottom & height_mask && box->bottom != volume->resource.height)
 465         return FALSE;
 466
 467     return TRUE;
 468 }
 469
 470 static BOOL wined3d_volume_check_box_dimensions(const struct wined3d_volume *volume,
 471         const struct wined3d_box *box)
 472 {
 473     if (!box)
 474         return TRUE;
 475
 476     if (box->left >= box->right)
 477         return FALSE;
 478     if (box->top >= box->bottom)
 479         return FALSE;
 480     if (box->front >= box->back)
 481         return FALSE;
 482     if (box->right > volume->resource.width)
 483         return FALSE;
 484     if (box->bottom > volume->resource.height)
 485         return FALSE;
 486     if (box->back > volume->resource.depth)
 487         return FALSE;
 488
 489     return TRUE;
 490 }
 491
 492 HRESULT wined3d_volume_map(struct wined3d_volume *volume,
 493         struct wined3d_map_desc *map_desc, const struct wined3d_box *box, DWORD flags)
 494 {
 495     struct wined3d_device *device = volume->resource.device;
 496     struct wined3d_context *context;
 497     const struct wined3d_gl_info *gl_info;
 498     BYTE *base_memory;
 499     const struct wined3d_format *format = volume->resource.format;
 500     const unsigned int fmt_flags = volume->container->resource.format_flags;
 501
 502     TRACE("volume %p, map_desc %p, box %s, flags %#x.\n",
 503             volume, map_desc, debug_box(box), flags);
 504
 505     map_desc->data = NULL;
 506     if (!(volume->resource.access_flags & WINED3D_RESOURCE_ACCESS_CPU))
 507     {
 508         WARN("Volume %p is not CPU accessible.\n", volume);
 509         return WINED3DERR_INVALIDCALL;
 510     }
 511     if (volume->resource.map_count)
 512     {
 513         WARN("Volume is already mapped.\n");
 514         return WINED3DERR_INVALIDCALL;
 515     }
 516     if (!wined3d_volume_check_box_dimensions(volume, box))
 517     {
 518         WARN("Map box is invalid.\n");
 519         return WINED3DERR_INVALIDCALL;
 520     }
 521     if ((fmt_flags & WINED3DFMT_FLAG_BLOCKS) && !volume_check_block_align(volume, box))
 522     {
 523         WARN("Map box %s is misaligned for %ux%u blocks.\n",
 524                 debug_box(box), format->block_width, format->block_height);
 525         return WINED3DERR_INVALIDCALL;
 526     }
 527
 528     flags = wined3d_resource_sanitize_map_flags(&volume->resource, flags);
 529
 530     if (volume->resource.map_binding == WINED3D_LOCATION_BUFFER)
 531     {
 532         context = context_acquire(device, NULL);
 533         gl_info = context->gl_info;
 534
 535         wined3d_volume_prepare_pbo(volume, context);
 536         if (flags & WINED3D_MAP_DISCARD)
 537             wined3d_volume_validate_location(volume, WINED3D_LOCATION_BUFFER);
 538         else
 539             wined3d_volume_load_location(volume, context, WINED3D_LOCATION_BUFFER);
 540
 541         GL_EXTCALL(glBindBuffer(GL_PIXEL_UNPACK_BUFFER, volume->pbo));
 542
 543         if (gl_info->supported[ARB_MAP_BUFFER_RANGE])
 544         {
 545             GLbitfield mapflags = wined3d_resource_gl_map_flags(flags);
 546             mapflags &= ~GL_MAP_FLUSH_EXPLICIT_BIT;
 547             base_memory = GL_EXTCALL(glMapBufferRange(GL_PIXEL_UNPACK_BUFFER,
 548                     0, volume->resource.size, mapflags));
 549         }
 550         else
 551         {
 552             GLenum access = wined3d_resource_gl_legacy_map_flags(flags);
 553             base_memory = GL_EXTCALL(glMapBuffer(GL_PIXEL_UNPACK_BUFFER, access));
 554         }
 555
 556         GL_EXTCALL(glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0));
 557         checkGLcall("Map PBO");
 558
 559         context_release(context);
 560     }
 561     else
 562     {
 563         if (!volume_prepare_system_memory(volume))
 564         {
 565             WARN("Out of memory.\n");
 566             map_desc->data = NULL;
 567             return E_OUTOFMEMORY;
 568         }
 569
 570         if (flags & WINED3D_MAP_DISCARD)
 571         {
 572             wined3d_volume_validate_location(volume, WINED3D_LOCATION_SYSMEM);
 573         }
 574         else if (!(volume->locations & WINED3D_LOCATION_SYSMEM))
 575         {
 576             context = context_acquire(device, NULL);
 577             wined3d_volume_load_location(volume, context, WINED3D_LOCATION_SYSMEM);
 578             context_release(context);
 579         }
 580         base_memory = volume->resource.heap_memory;
 581     }
 582
 583     TRACE("Base memory pointer %p.\n", base_memory);
 584
 585     if (fmt_flags & WINED3DFMT_FLAG_BROKEN_PITCH)
 586     {
 587         map_desc->row_pitch = volume->resource.width * format->byte_count;
 588         map_desc->slice_pitch = map_desc->row_pitch * volume->resource.height;
 589     }
 590     else
 591     {
 592         wined3d_volume_get_pitch(volume, &map_desc->row_pitch, &map_desc->slice_pitch);
 593     }
 594
 595     if (!box)
 596     {
 597         map_desc->data = base_memory;
 598     }
 599     else
 600     {
 601         if ((fmt_flags & (WINED3DFMT_FLAG_BLOCKS | WINED3DFMT_FLAG_BROKEN_PITCH)) == WINED3DFMT_FLAG_BLOCKS)
 602         {
 603             /* Compressed textures are block based, so calculate the offset of
 604              * the block that contains the top-left pixel of the locked rectangle. */
 605             map_desc->data = base_memory
 606                     + (box->front * map_desc->slice_pitch)
 607                     + ((box->top / format->block_height) * map_desc->row_pitch)
 608                     + ((box->left / format->block_width) * format->block_byte_count);
 609         }
 610         else
 611         {
 612             map_desc->data = base_memory
 613                     + (map_desc->slice_pitch * box->front)
 614                     + (map_desc->row_pitch * box->top)
 615                     + (box->left * volume->resource.format->byte_count);
 616         }
 617     }
 618
 619     if (!(flags & (WINED3D_MAP_NO_DIRTY_UPDATE | WINED3D_MAP_READONLY)))
 620     {
 621         wined3d_texture_set_dirty(volume->container);
 622         wined3d_volume_invalidate_location(volume, ~volume->resource.map_binding);
 623     }
 624
 625     volume->resource.map_count++;
 626
 627     TRACE("Returning memory %p, row pitch %d, slice pitch %d.\n",
 628             map_desc->data, map_desc->row_pitch, map_desc->slice_pitch);
 629
 630     return WINED3D_OK;
 631 }
 632
 633 HRESULT wined3d_volume_unmap(struct wined3d_volume *volume)
 634 {
 635     TRACE("volume %p.\n", volume);
 636
 637     if (!volume->resource.map_count)
 638     {
 639         WARN("Trying to unlock an unlocked volume %p.\n", volume);
 640         return WINED3DERR_INVALIDCALL;
 641     }
 642
 643     if (volume->resource.map_binding == WINED3D_LOCATION_BUFFER)
 644     {
 645         struct wined3d_device *device = volume->resource.device;
 646         struct wined3d_context *context = context_acquire(device, NULL);
 647         const struct wined3d_gl_info *gl_info = context->gl_info;
 648
 649         GL_EXTCALL(glBindBuffer(GL_PIXEL_UNPACK_BUFFER, volume->pbo));
 650         GL_EXTCALL(glUnmapBuffer(GL_PIXEL_UNPACK_BUFFER));
 651         GL_EXTCALL(glBindBuffer(GL_PIXEL_UNPACK_BUFFER, 0));
 652         checkGLcall("Unmap PBO");
 653
 654         context_release(context);
 655     }
 656
 657     volume->resource.map_count--;
 658
 659     return WINED3D_OK;
 660 }
 661
 662 static ULONG volume_resource_incref(struct wined3d_resource *resource)
 663 {
 664     struct wined3d_volume *volume = volume_from_resource(resource);
 665     TRACE("Forwarding to container %p.\n", volume->container);
 666
 667     return wined3d_texture_incref(volume->container);
 668 }
 669
 670 static ULONG volume_resource_decref(struct wined3d_resource *resource)
 671 {
 672     struct wined3d_volume *volume = volume_from_resource(resource);
 673     TRACE("Forwarding to container %p.\n", volume->container);
 674
 675     return wined3d_texture_decref(volume->container);
 676 }
 677
 678 static HRESULT volume_resource_sub_resource_map(struct wined3d_resource *resource, unsigned int sub_resource_idx,
 679         struct wined3d_map_desc *map_desc, const struct wined3d_box *box, DWORD flags)
 680 {
 681     ERR("Not supported on sub-resources.\n");
 682     return WINED3DERR_INVALIDCALL;
 683 }
 684
 685 static HRESULT volume_resource_sub_resource_unmap(struct wined3d_resource *resource, unsigned int sub_resource_idx)
 686 {
 687     ERR("Not supported on sub-resources.\n");
 688     return WINED3DERR_INVALIDCALL;
 689 }
 690
 691 static const struct wined3d_resource_ops volume_resource_ops =
 692 {
 693     volume_resource_incref,
 694     volume_resource_decref,
 695     volume_unload,
 696     volume_resource_sub_resource_map,
 697     volume_resource_sub_resource_unmap,
 698 };
 699
 700 static HRESULT volume_init(struct wined3d_volume *volume, struct wined3d_texture *container,
 701         const struct wined3d_resource_desc *desc, UINT level)
 702 {
 703     struct wined3d_device *device = container->resource.device;
 704     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 705     const struct wined3d_format *format = wined3d_get_format(gl_info, desc->format);
 706     HRESULT hr;
 707     UINT size;
 708
 709     /* TODO: Write tests for other resources and move this check
 710      * to resource_init, if applicable. */
 711     if (desc->usage & WINED3DUSAGE_DYNAMIC
 712             && (desc->pool == WINED3D_POOL_MANAGED || desc->pool == WINED3D_POOL_SCRATCH))
 713     {
 714         WARN("Attempted to create a DYNAMIC texture in pool %s.\n", debug_d3dpool(desc->pool));
 715         return WINED3DERR_INVALIDCALL;
 716     }
 717
 718     size = wined3d_format_calculate_size(format, device->surface_alignment, desc->width, desc->height, desc->depth);
 719
 720     if (FAILED(hr = resource_init(&volume->resource, device, WINED3D_RTYPE_VOLUME, format,
 721             WINED3D_MULTISAMPLE_NONE, 0, desc->usage, desc->pool, desc->width, desc->height, desc->depth,
 722             size, NULL, &wined3d_null_parent_ops, &volume_resource_ops)))
 723     {
 724         WARN("Failed to initialize resource, returning %#x.\n", hr);
 725         return hr;
 726     }
 727
 728     volume->texture_level = level;
 729     volume->locations = WINED3D_LOCATION_DISCARDED;
 730
 731     if (desc->pool == WINED3D_POOL_DEFAULT && desc->usage & WINED3DUSAGE_DYNAMIC
 732             && gl_info->supported[ARB_PIXEL_BUFFER_OBJECT]
 733             && !format->convert)
 734     {
 735         wined3d_resource_free_sysmem(&volume->resource);
 736         volume->resource.map_binding = WINED3D_LOCATION_BUFFER;
 737     }
 738
 739     volume->container = container;
 740
 741     return WINED3D_OK;
 742 }
 743
 744 HRESULT wined3d_volume_create(struct wined3d_texture *container, const struct wined3d_resource_desc *desc,
 745         unsigned int level, struct wined3d_volume **volume)
 746 {
 747     struct wined3d_device_parent *device_parent = container->resource.device->device_parent;
 748     const struct wined3d_parent_ops *parent_ops;
 749     struct wined3d_volume *object;
 750     void *parent;
 751     HRESULT hr;
 752
 753     TRACE("container %p, width %u, height %u, depth %u, level %u, format %s, "
 754             "usage %#x, pool %s, volume %p.\n",
 755             container, desc->width, desc->height, desc->depth, level, debug_d3dformat(desc->format),
 756             desc->usage, debug_d3dpool(desc->pool), volume);
 757
 758     if (!(object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object))))
 759         return E_OUTOFMEMORY;
 760
 761     if (FAILED(hr = volume_init(object, container, desc, level)))
 762     {
 763         WARN("Failed to initialize volume, returning %#x.\n", hr);
 764         HeapFree(GetProcessHeap(), 0, object);
 765         return hr;
 766     }
 767
 768     if (FAILED(hr = device_parent->ops->volume_created(device_parent,
 769             container, level, &parent, &parent_ops)))
 770     {
 771         WARN("Failed to create volume parent, hr %#x.\n", hr);
 772         wined3d_volume_destroy(object);
 773         return hr;
 774     }
 775
 776     TRACE("Created volume %p, parent %p, parent_ops %p.\n", object, parent, parent_ops);
 777
 778     object->resource.parent = parent;
 779     object->resource.parent_ops = parent_ops;
 780     *volume = object;
 781
 782     return WINED3D_OK;
 783 }