src/gallium/state_trackers/nine/volume9.c

   1 /*
   2  * Copyright 2011 Joakim Sindholt <opensource@zhasha.com>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  22
  23 #include "device9.h"
  24 #include "volume9.h"
  25 #include "basetexture9.h" /* for marking dirty */
  26 #include "volumetexture9.h"
  27 #include "nine_helpers.h"
  28 #include "nine_pipe.h"
  29 #include "nine_dump.h"
  30
  31 #include "util/u_hash_table.h"
  32 #include "util/u_format.h"
  33 #include "util/u_surface.h"
  34 #include "nine_pdata.h"
  35
  36 #define DBG_CHANNEL DBG_VOLUME
  37
  38
  39 static HRESULT
  40 NineVolume9_AllocateData( struct NineVolume9 *This )
  41 {
  42     unsigned size = This->layer_stride * This->desc.Depth;
  43
  44     DBG("(%p(This=%p),level=%u) Allocating 0x%x bytes of system memory.\n",
  45         This->base.container, This, This->level, size);
  46
  47     This->data = (uint8_t *)align_malloc(size, 32);
  48     if (!This->data)
  49         return E_OUTOFMEMORY;
  50     return D3D_OK;
  51 }
  52
  53 static HRESULT
  54 NineVolume9_ctor( struct NineVolume9 *This,
  55                   struct NineUnknownParams *pParams,
  56                   struct NineUnknown *pContainer,
  57                   struct pipe_resource *pResource,
  58                   unsigned Level,
  59                   D3DVOLUME_DESC *pDesc )
  60 {
  61     HRESULT hr;
  62
  63     assert(pContainer); /* stand-alone volumes can't be created */
  64
  65     DBG("This=%p pContainer=%p pDevice=%p pResource=%p Level=%u pDesc=%p\n",
  66         This, pContainer, pParams->device, pResource, Level, pDesc);
  67
  68     /* Mark this as a special surface held by another internal resource. */
  69     pParams->container = pContainer;
  70
  71     user_assert(!(pDesc->Usage & D3DUSAGE_DYNAMIC) ||
  72                 (pDesc->Pool != D3DPOOL_MANAGED), D3DERR_INVALIDCALL);
  73
  74     assert(pResource || pDesc->Pool != D3DPOOL_DEFAULT);
  75
  76     hr = NineUnknown_ctor(&This->base, pParams);
  77     if (FAILED(hr))
  78         return hr;
  79
  80     This->pdata = util_hash_table_create(ht_guid_hash, ht_guid_compare);
  81     if (!This->pdata)
  82         return E_OUTOFMEMORY;
  83
  84     pipe_resource_reference(&This->resource, pResource);
  85
  86     This->pipe = pParams->device->pipe;
  87     This->transfer = NULL;
  88     This->lock_count = 0;
  89
  90     This->level = Level;
  91     This->level_actual = Level;
  92     This->desc = *pDesc;
  93
  94     This->info.screen = pParams->device->screen;
  95     This->info.target = PIPE_TEXTURE_3D;
  96     This->info.width0 = pDesc->Width;
  97     This->info.height0 = pDesc->Height;
  98     This->info.depth0 = pDesc->Depth;
  99     This->info.last_level = 0;
 100     This->info.array_size = 1;
 101     This->info.nr_samples = 0;
 102     This->info.usage = PIPE_USAGE_DEFAULT;
 103     This->info.bind = PIPE_BIND_SAMPLER_VIEW;
 104     This->info.flags = 0;
 105     This->info.format = d3d9_to_pipe_format_checked(This->info.screen,
 106                                                     pDesc->Format,
 107                                                     This->info.target,
 108                                                     This->info.nr_samples,
 109                                                     This->info.bind, FALSE,
 110                                                     pDesc->Pool == D3DPOOL_SCRATCH);
 111
 112     if (This->info.format == PIPE_FORMAT_NONE)
 113         return D3DERR_DRIVERINTERNALERROR;
 114
 115     This->stride = util_format_get_stride(This->info.format, pDesc->Width);
 116     This->stride = align(This->stride, 4);
 117     This->layer_stride = util_format_get_2d_size(This->info.format,
 118                                                  This->stride, pDesc->Height);
 119
 120     /* Get true format */
 121     This->format_conversion = d3d9_to_pipe_format_checked(This->info.screen,
 122                                                          pDesc->Format,
 123                                                          This->info.target,
 124                                                          This->info.nr_samples,
 125                                                          This->info.bind, FALSE,
 126                                                          TRUE);
 127     if (This->info.format != This->format_conversion) {
 128         This->stride_conversion = nine_format_get_stride(This->format_conversion,
 129                                                          pDesc->Width);
 130         This->layer_stride_conversion = util_format_get_2d_size(This->format_conversion,
 131                                                                 This->stride_conversion,
 132                                                                 pDesc->Height);
 133         This->data_conversion = align_malloc(This->layer_stride_conversion *
 134                                              This->desc.Depth, 32);
 135         if (!This->data_conversion)
 136             return E_OUTOFMEMORY;
 137     }
 138
 139     if (!This->resource) {
 140         hr = NineVolume9_AllocateData(This);
 141         if (FAILED(hr))
 142             return hr;
 143     }
 144     return D3D_OK;
 145 }
 146
 147 static void
 148 NineVolume9_dtor( struct NineVolume9 *This )
 149 {
 150     DBG("This=%p\n", This);
 151
 152     if (This->transfer)
 153         NineVolume9_UnlockBox(This);
 154
 155     if (This->data)
 156         align_free(This->data);
 157     if (This->data_conversion)
 158         align_free(This->data_conversion);
 159
 160     pipe_resource_reference(&This->resource, NULL);
 161
 162     NineUnknown_dtor(&This->base);
 163 }
 164
 165 HRESULT NINE_WINAPI
 166 NineVolume9_GetContainer( struct NineVolume9 *This,
 167                           REFIID riid,
 168                           void **ppContainer )
 169 {
 170     if (!NineUnknown(This)->container)
 171         return E_NOINTERFACE;
 172     return NineUnknown_QueryInterface(NineUnknown(This)->container, riid, ppContainer);
 173 }
 174
 175 static inline void
 176 NineVolume9_MarkContainerDirty( struct NineVolume9 *This )
 177 {
 178     struct NineBaseTexture9 *tex;
 179 #ifdef DEBUG
 180     /* This is always contained by a NineVolumeTexture9. */
 181     GUID id = IID_IDirect3DVolumeTexture9;
 182     REFIID ref = &id;
 183     assert(NineUnknown_QueryInterface(This->base.container, ref, (void **)&tex)
 184            == S_OK);
 185     assert(NineUnknown_Release(NineUnknown(tex)) != 0);
 186 #endif
 187
 188     tex = NineBaseTexture9(This->base.container);
 189     assert(tex);
 190     if (This->desc.Pool == D3DPOOL_MANAGED)
 191         tex->managed.dirty = TRUE;
 192
 193     BASETEX_REGISTER_UPDATE(tex);
 194 }
 195
 196 HRESULT NINE_WINAPI
 197 NineVolume9_GetDesc( struct NineVolume9 *This,
 198                      D3DVOLUME_DESC *pDesc )
 199 {
 200     user_assert(pDesc != NULL, E_POINTER);
 201     *pDesc = This->desc;
 202     return D3D_OK;
 203 }
 204
 205 inline void
 206 NineVolume9_AddDirtyRegion( struct NineVolume9 *This,
 207                             const struct pipe_box *box )
 208 {
 209     D3DBOX dirty_region;
 210     struct NineVolumeTexture9 *tex = NineVolumeTexture9(This->base.container);
 211
 212     if (!box) {
 213         NineVolumeTexture9_AddDirtyBox(tex, NULL);
 214     } else {
 215         dirty_region.Left = box->x << This->level_actual;
 216         dirty_region.Top = box->y << This->level_actual;
 217         dirty_region.Front = box->z << This->level_actual;
 218         dirty_region.Right = dirty_region.Left + (box->width << This->level_actual);
 219         dirty_region.Bottom = dirty_region.Top + (box->height << This->level_actual);
 220         dirty_region.Back = dirty_region.Front + (box->depth << This->level_actual);
 221         NineVolumeTexture9_AddDirtyBox(tex, &dirty_region);
 222     }
 223 }
 224
 225 static inline uint8_t *
 226 NineVolume9_GetSystemMemPointer(struct NineVolume9 *This, int x, int y, int z)
 227 {
 228     unsigned x_offset = util_format_get_stride(This->info.format, x);
 229
 230     y = util_format_get_nblocksy(This->info.format, y);
 231
 232     assert(This->data);
 233     return This->data + (z * This->layer_stride + y * This->stride + x_offset);
 234 }
 235
 236 HRESULT NINE_WINAPI
 237 NineVolume9_LockBox( struct NineVolume9 *This,
 238                      D3DLOCKED_BOX *pLockedVolume,
 239                      const D3DBOX *pBox,
 240                      DWORD Flags )
 241 {
 242     struct pipe_resource *resource = This->resource;
 243     struct pipe_box box;
 244     unsigned usage;
 245
 246     DBG("This=%p(%p) pLockedVolume=%p pBox=%p[%u..%u,%u..%u,%u..%u] Flags=%s\n",
 247         This, This->base.container, pLockedVolume, pBox,
 248         pBox ? pBox->Left : 0, pBox ? pBox->Right : 0,
 249         pBox ? pBox->Top : 0, pBox ? pBox->Bottom : 0,
 250         pBox ? pBox->Front : 0, pBox ? pBox->Back : 0,
 251         nine_D3DLOCK_to_str(Flags));
 252
 253     /* check if it's already locked */
 254     user_assert(This->lock_count == 0, D3DERR_INVALIDCALL);
 255
 256     /* set pBits to NULL after lock_count check */
 257     user_assert(pLockedVolume, E_POINTER);
 258     pLockedVolume->pBits = NULL;
 259
 260     user_assert(This->desc.Pool != D3DPOOL_DEFAULT ||
 261                 (This->desc.Usage & D3DUSAGE_DYNAMIC), D3DERR_INVALIDCALL);
 262
 263     user_assert(!((Flags & D3DLOCK_DISCARD) && (Flags & D3DLOCK_READONLY)),
 264                 D3DERR_INVALIDCALL);
 265
 266     if (pBox && compressed_format (This->desc.Format)) { /* For volume all pools are checked */
 267         const unsigned w = util_format_get_blockwidth(This->info.format);
 268         const unsigned h = util_format_get_blockheight(This->info.format);
 269         user_assert((pBox->Left == 0 && pBox->Right == This->desc.Width &&
 270                      pBox->Top == 0 && pBox->Bottom == This->desc.Height) ||
 271                     (!(pBox->Left % w) && !(pBox->Right % w) &&
 272                      !(pBox->Top % h) && !(pBox->Bottom % h)),
 273                     D3DERR_INVALIDCALL);
 274     }
 275
 276     if (Flags & D3DLOCK_DISCARD) {
 277         usage = PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD_RANGE;
 278     } else {
 279         usage = (Flags & D3DLOCK_READONLY) ?
 280             PIPE_TRANSFER_READ : PIPE_TRANSFER_READ_WRITE;
 281     }
 282     if (Flags & D3DLOCK_DONOTWAIT)
 283         usage |= PIPE_TRANSFER_DONTBLOCK;
 284
 285     if (pBox) {
 286         user_assert(pBox->Right > pBox->Left, D3DERR_INVALIDCALL);
 287         user_assert(pBox->Bottom > pBox->Top, D3DERR_INVALIDCALL);
 288         user_assert(pBox->Back > pBox->Front, D3DERR_INVALIDCALL);
 289         user_assert(pBox->Right <= This->desc.Width, D3DERR_INVALIDCALL);
 290         user_assert(pBox->Bottom <= This->desc.Height, D3DERR_INVALIDCALL);
 291         user_assert(pBox->Back <= This->desc.Depth, D3DERR_INVALIDCALL);
 292
 293         d3dbox_to_pipe_box(&box, pBox);
 294         if (u_box_clip_2d(&box, &box, This->desc.Width, This->desc.Height) < 0) {
 295             DBG("Locked volume intersection empty.\n");
 296             return D3DERR_INVALIDCALL;
 297         }
 298     } else {
 299         u_box_3d(0, 0, 0, This->desc.Width, This->desc.Height, This->desc.Depth,
 300                  &box);
 301     }
 302
 303     if (This->data_conversion) {
 304         /* For now we only have uncompressed formats here */
 305         pLockedVolume->RowPitch = This->stride_conversion;
 306         pLockedVolume->SlicePitch = This->layer_stride_conversion;
 307         pLockedVolume->pBits = This->data_conversion + box.z * This->layer_stride_conversion +
 308                                box.y * This->stride_conversion +
 309                                util_format_get_stride(This->format_conversion, box.x);
 310     } else if (This->data) {
 311         pLockedVolume->RowPitch = This->stride;
 312         pLockedVolume->SlicePitch = This->layer_stride;
 313         pLockedVolume->pBits =
 314             NineVolume9_GetSystemMemPointer(This, box.x, box.y, box.z);
 315     } else {
 316         pLockedVolume->pBits =
 317             This->pipe->transfer_map(This->pipe, resource, This->level, usage,
 318                                      &box, &This->transfer);
 319         if (!This->transfer) {
 320             if (Flags & D3DLOCK_DONOTWAIT)
 321                 return D3DERR_WASSTILLDRAWING;
 322             return D3DERR_DRIVERINTERNALERROR;
 323         }
 324         pLockedVolume->RowPitch = This->transfer->stride;
 325         pLockedVolume->SlicePitch = This->transfer->layer_stride;
 326     }
 327
 328     if (!(Flags & (D3DLOCK_NO_DIRTY_UPDATE | D3DLOCK_READONLY))) {
 329         NineVolume9_MarkContainerDirty(This);
 330         NineVolume9_AddDirtyRegion(This, &box);
 331     }
 332
 333     ++This->lock_count;
 334     return D3D_OK;
 335 }
 336
 337 HRESULT NINE_WINAPI
 338 NineVolume9_UnlockBox( struct NineVolume9 *This )
 339 {
 340     DBG("This=%p lock_count=%u\n", This, This->lock_count);
 341     user_assert(This->lock_count, D3DERR_INVALIDCALL);
 342     if (This->transfer) {
 343         This->pipe->transfer_unmap(This->pipe, This->transfer);
 344         This->transfer = NULL;
 345     }
 346     --This->lock_count;
 347
 348     if (This->data_conversion) {
 349         struct pipe_transfer *transfer;
 350         uint8_t *dst = This->data;
 351         struct pipe_box box;
 352
 353         u_box_3d(0, 0, 0, This->desc.Width, This->desc.Height, This->desc.Depth,
 354                  &box);
 355
 356         if (!dst) {
 357             dst = This->pipe->transfer_map(This->pipe,
 358                                            This->resource,
 359                                            This->level,
 360                                            PIPE_TRANSFER_WRITE |
 361                                            PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE,
 362                                            &box, &transfer);
 363             if (!dst)
 364                 return D3D_OK;
 365         }
 366
 367         (void) util_format_translate_3d(This->info.format,
 368                                         dst, This->data ? This->stride : transfer->stride,
 369                                         This->data ? This->layer_stride : transfer->layer_stride,
 370                                         0, 0, 0,
 371                                         This->format_conversion,
 372                                         This->data_conversion,
 373                                         This->stride_conversion,
 374                                         This->layer_stride_conversion,
 375                                         0, 0, 0,
 376                                         This->desc.Width, This->desc.Height,
 377                                         This->desc.Height);
 378
 379         if (!This->data)
 380             pipe_transfer_unmap(This->pipe, transfer);
 381     }
 382
 383     return D3D_OK;
 384 }
 385
 386 /* When this function is called, we have already checked
 387  * The copy regions fit the volumes */
 388 void
 389 NineVolume9_CopyMemToDefault( struct NineVolume9 *This,
 390                               struct NineVolume9 *From,
 391                               unsigned dstx, unsigned dsty, unsigned dstz,
 392                               struct pipe_box *pSrcBox )
 393 {
 394     struct pipe_context *pipe = This->pipe;
 395     struct pipe_transfer *transfer = NULL;
 396     struct pipe_resource *r_dst = This->resource;
 397     struct pipe_box src_box;
 398     struct pipe_box dst_box;
 399     uint8_t *map = NULL;
 400
 401     DBG("This=%p From=%p dstx=%u dsty=%u dstz=%u pSrcBox=%p\n",
 402         This, From, dstx, dsty, dstz, pSrcBox);
 403
 404     assert(This->desc.Pool == D3DPOOL_DEFAULT &&
 405            From->desc.Pool == D3DPOOL_SYSTEMMEM);
 406
 407     dst_box.x = dstx;
 408     dst_box.y = dsty;
 409     dst_box.z = dstz;
 410
 411     if (pSrcBox) {
 412         src_box = *pSrcBox;
 413     } else {
 414         src_box.x = 0;
 415         src_box.y = 0;
 416         src_box.z = 0;
 417         src_box.width = From->desc.Width;
 418         src_box.height = From->desc.Height;
 419         src_box.depth = From->desc.Depth;
 420     }
 421
 422     dst_box.width = src_box.width;
 423     dst_box.height = src_box.height;
 424     dst_box.depth = src_box.depth;
 425
 426     map = pipe->transfer_map(pipe,
 427                              r_dst,
 428                              This->level,
 429                              PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD_RANGE,
 430                              &dst_box, &transfer);
 431     if (!map)
 432         return;
 433
 434     /* Note: if formats are the sames, it will revert
 435      * to normal memcpy */
 436     (void) util_format_translate_3d(r_dst->format,
 437                                     map, transfer->stride,
 438                                     transfer->layer_stride,
 439                                     0, 0, 0,
 440                                     From->info.format,
 441                                     From->data, From->stride,
 442                                     From->layer_stride,
 443                                     src_box.x, src_box.y,
 444                                     src_box.z,
 445                                     src_box.width,
 446                                     src_box.height,
 447                                     src_box.depth);
 448
 449     pipe_transfer_unmap(pipe, transfer);
 450
 451     if (This->data_conversion)
 452         (void) util_format_translate_3d(This->format_conversion,
 453                                         This->data_conversion,
 454                                         This->stride_conversion,
 455                                         This->layer_stride_conversion,
 456                                         dstx, dsty, dstz,
 457                                         From->info.format,
 458                                         From->data, From->stride,
 459                                         From->layer_stride,
 460                                         src_box.x, src_box.y,
 461                                         src_box.z,
 462                                         src_box.width,
 463                                         src_box.height,
 464                                         src_box.depth);
 465
 466     NineVolume9_MarkContainerDirty(This);
 467
 468     return;
 469 }
 470
 471 HRESULT
 472 NineVolume9_UploadSelf( struct NineVolume9 *This,
 473                         const struct pipe_box *damaged )
 474 {
 475     struct pipe_context *pipe = This->pipe;
 476     struct pipe_resource *res = This->resource;
 477     struct pipe_box box;
 478     uint8_t *ptr;
 479
 480     DBG("This=%p damaged=%p data=%p res=%p\n", This, damaged,
 481         This->data, res);
 482
 483     assert(This->desc.Pool == D3DPOOL_MANAGED);
 484     assert(res);
 485
 486     if (damaged) {
 487         box = *damaged;
 488     } else {
 489         box.x = 0;
 490         box.y = 0;
 491         box.z = 0;
 492         box.width = This->desc.Width;
 493         box.height = This->desc.Height;
 494         box.depth = This->desc.Depth;
 495     }
 496
 497     ptr = NineVolume9_GetSystemMemPointer(This, box.x, box.y, box.z);
 498
 499     pipe->transfer_inline_write(pipe, res, This->level, 0, &box,
 500                                 ptr, This->stride, This->layer_stride);
 501
 502     return D3D_OK;
 503 }
 504
 505
 506 IDirect3DVolume9Vtbl NineVolume9_vtable = {
 507     (void *)NineUnknown_QueryInterface,
 508     (void *)NineUnknown_AddRef,
 509     (void *)NineUnknown_Release,
 510     (void *)NineUnknown_GetDevice, /* actually part of Volume9 iface */
 511     (void *)NineVolume9_SetPrivateData,
 512     (void *)NineVolume9_GetPrivateData,
 513     (void *)NineVolume9_FreePrivateData,
 514     (void *)NineVolume9_GetContainer,
 515     (void *)NineVolume9_GetDesc,
 516     (void *)NineVolume9_LockBox,
 517     (void *)NineVolume9_UnlockBox
 518 };
 519
 520 static const GUID *NineVolume9_IIDs[] = {
 521     &IID_IDirect3DVolume9,
 522     &IID_IUnknown,
 523     NULL
 524 };
 525
 526 HRESULT
 527 NineVolume9_new( struct NineDevice9 *pDevice,
 528                  struct NineUnknown *pContainer,
 529                  struct pipe_resource *pResource,
 530                  unsigned Level,
 531                  D3DVOLUME_DESC *pDesc,
 532                  struct NineVolume9 **ppOut )
 533 {
 534     NINE_DEVICE_CHILD_NEW(Volume9, ppOut, pDevice, /* args */
 535                           pContainer, pResource, Level, pDesc);
 536 }
 537
 538
 539 /*** The boring stuff. TODO: Unify with Resource. ***/
 540
 541 HRESULT NINE_WINAPI
 542 NineVolume9_SetPrivateData( struct NineVolume9 *This,
 543                             REFGUID refguid,
 544                             const void *pData,
 545                             DWORD SizeOfData,
 546                             DWORD Flags )
 547 {
 548     enum pipe_error err;
 549     struct pheader *header;
 550     const void *user_data = pData;
 551
 552     DBG("This=%p refguid=%p pData=%p SizeOfData=%d Flags=%d\n",
 553         This, refguid, pData, SizeOfData, Flags);
 554
 555     if (Flags & D3DSPD_IUNKNOWN)
 556         user_assert(SizeOfData == sizeof(IUnknown *), D3DERR_INVALIDCALL);
 557
 558     /* data consists of a header and the actual data. avoiding 2 mallocs */
 559     header = CALLOC_VARIANT_LENGTH_STRUCT(pheader, SizeOfData-1);
 560     if (!header) { return E_OUTOFMEMORY; }
 561     header->unknown = (Flags & D3DSPD_IUNKNOWN) ? TRUE : FALSE;
 562
 563     /* if the refguid already exists, delete it */
 564     NineVolume9_FreePrivateData(This, refguid);
 565
 566     /* IUnknown special case */
 567     if (header->unknown) {
 568         /* here the pointer doesn't point to the data we want, so point at the
 569          * pointer making what we eventually copy is the pointer itself */
 570         user_data = &pData;
 571     }
 572
 573     header->size = SizeOfData;
 574     memcpy(header->data, user_data, header->size);
 575
 576     err = util_hash_table_set(This->pdata, refguid, header);
 577     if (err == PIPE_OK) {
 578         if (header->unknown) { IUnknown_AddRef(*(IUnknown **)header->data); }
 579         return D3D_OK;
 580     }
 581
 582     FREE(header);
 583     if (err == PIPE_ERROR_OUT_OF_MEMORY) { return E_OUTOFMEMORY; }
 584
 585     return D3DERR_DRIVERINTERNALERROR;
 586 }
 587
 588 HRESULT NINE_WINAPI
 589 NineVolume9_GetPrivateData( struct NineVolume9 *This,
 590                             REFGUID refguid,
 591                             void *pData,
 592                             DWORD *pSizeOfData )
 593 {
 594     struct pheader *header;
 595
 596     user_assert(pSizeOfData, E_POINTER);
 597
 598     header = util_hash_table_get(This->pdata, refguid);
 599     if (!header) { return D3DERR_NOTFOUND; }
 600
 601     if (!pData) {
 602         *pSizeOfData = header->size;
 603         return D3D_OK;
 604     }
 605     if (*pSizeOfData < header->size) {
 606         return D3DERR_MOREDATA;
 607     }
 608
 609     if (header->unknown) { IUnknown_AddRef(*(IUnknown **)header->data); }
 610     memcpy(pData, header->data, header->size);
 611
 612     return D3D_OK;
 613 }
 614
 615 HRESULT NINE_WINAPI
 616 NineVolume9_FreePrivateData( struct NineVolume9 *This,
 617                              REFGUID refguid )
 618 {
 619     struct pheader *header;
 620
 621     DBG("This=%p refguid=%p\n", This, refguid);
 622
 623     header = util_hash_table_get(This->pdata, refguid);
 624     if (!header) { return D3DERR_NOTFOUND; }
 625
 626     ht_guid_delete(NULL, header, NULL);
 627     util_hash_table_remove(This->pdata, refguid);
 628
 629     return D3D_OK;
 630 }
 631