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 "nine_helpers.h"
  27 #include "nine_pipe.h"
  28 #include "nine_dump.h"
  29
  30 #include "util/u_hash_table.h"
  31 #include "util/u_format.h"
  32 #include "util/u_surface.h"
  33 #include "nine_pdata.h"
  34
  35 #define DBG_CHANNEL DBG_VOLUME
  36
  37
  38 static HRESULT
  39 NineVolume9_AllocateData( struct NineVolume9 *This )
  40 {
  41     unsigned size = This->layer_stride * This->desc.Depth;
  42
  43     DBG("(%p(This=%p),level=%u) Allocating 0x%x bytes of system memory.\n",
  44         This->base.container, This, This->level, size);
  45
  46     This->data = (uint8_t *)MALLOC(size);
  47     if (!This->data)
  48         return E_OUTOFMEMORY;
  49     return D3D_OK;
  50 }
  51
  52 static HRESULT
  53 NineVolume9_ctor( struct NineVolume9 *This,
  54                   struct NineUnknownParams *pParams,
  55                   struct NineUnknown *pContainer,
  56                   struct pipe_resource *pResource,
  57                   unsigned Level,
  58                   D3DVOLUME_DESC *pDesc )
  59 {
  60     HRESULT hr;
  61
  62     assert(pContainer); /* stand-alone volumes can't be created */
  63
  64     DBG("This=%p pContainer=%p pDevice=%p pResource=%p Level=%u pDesc=%p\n",
  65         This, pContainer, pParams->device, pResource, Level, pDesc);
  66
  67     /* Mark this as a special surface held by another internal resource. */
  68     pParams->container = pContainer;
  69
  70     user_assert(!(pDesc->Usage & D3DUSAGE_DYNAMIC) ||
  71                 (pDesc->Pool != D3DPOOL_MANAGED), D3DERR_INVALIDCALL);
  72
  73     assert(pResource || pDesc->Pool != D3DPOOL_DEFAULT);
  74
  75     hr = NineUnknown_ctor(&This->base, pParams);
  76     if (FAILED(hr))
  77         return hr;
  78
  79     This->pdata = util_hash_table_create(ht_guid_hash, ht_guid_compare);
  80     if (!This->pdata)
  81         return E_OUTOFMEMORY;
  82
  83     pipe_resource_reference(&This->resource, pResource);
  84
  85     This->pipe = pParams->device->pipe;
  86     This->transfer = NULL;
  87     This->lock_count = 0;
  88
  89     This->level = Level;
  90     This->level_actual = Level;
  91     This->desc = *pDesc;
  92
  93     This->info.screen = pParams->device->screen;
  94     This->info.target = PIPE_TEXTURE_3D;
  95     This->info.format = d3d9_to_pipe_format(pDesc->Format);
  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
 106     This->stride = util_format_get_stride(This->info.format, pDesc->Width);
 107     This->stride = align(This->stride, 4);
 108     This->layer_stride = util_format_get_2d_size(This->info.format,
 109                                                  This->stride, pDesc->Height);
 110
 111     if (pDesc->Pool == D3DPOOL_SYSTEMMEM)
 112         This->info.usage = PIPE_USAGE_STAGING;
 113
 114     if (!This->resource) {
 115         hr = NineVolume9_AllocateData(This);
 116         if (FAILED(hr))
 117             return hr;
 118     }
 119     return D3D_OK;
 120 }
 121
 122 static void
 123 NineVolume9_dtor( struct NineVolume9 *This )
 124 {
 125     DBG("This=%p\n", This);
 126
 127     if (This->transfer)
 128         NineVolume9_UnlockBox(This);
 129
 130     if (This->data)
 131            FREE(This->data);
 132
 133     pipe_resource_reference(&This->resource, NULL);
 134
 135     NineUnknown_dtor(&This->base);
 136 }
 137
 138 HRESULT WINAPI
 139 NineVolume9_GetContainer( struct NineVolume9 *This,
 140                           REFIID riid,
 141                           void **ppContainer )
 142 {
 143     if (!NineUnknown(This)->container)
 144         return E_NOINTERFACE;
 145     return NineUnknown_QueryInterface(NineUnknown(This)->container, riid, ppContainer);
 146 }
 147
 148 static INLINE void
 149 NineVolume9_MarkContainerDirty( struct NineVolume9 *This )
 150 {
 151     struct NineBaseTexture9 *tex;
 152 #ifdef DEBUG
 153     /* This is always contained by a NineVolumeTexture9. */
 154     GUID id = IID_IDirect3DVolumeTexture9;
 155     REFIID ref = &id;
 156     assert(NineUnknown_QueryInterface(This->base.container, ref, (void **)&tex)
 157            == S_OK);
 158     assert(NineUnknown_Release(NineUnknown(tex)) != 0);
 159 #endif
 160
 161     tex = NineBaseTexture9(This->base.container);
 162     assert(tex);
 163     if (This->desc.Pool == D3DPOOL_MANAGED)
 164         tex->dirty = TRUE;
 165     else
 166     if (This->desc.Usage & D3DUSAGE_AUTOGENMIPMAP)
 167         tex->dirty_mip = TRUE;
 168
 169     BASETEX_REGISTER_UPDATE(tex);
 170 }
 171
 172 HRESULT WINAPI
 173 NineVolume9_GetDesc( struct NineVolume9 *This,
 174                      D3DVOLUME_DESC *pDesc )
 175 {
 176     user_assert(pDesc != NULL, E_POINTER);
 177     *pDesc = This->desc;
 178     return D3D_OK;
 179 }
 180
 181 static INLINE boolean
 182 NineVolume9_IsDirty(struct NineVolume9 *This)
 183 {
 184     return This->dirty_box[0].width != 0;
 185 }
 186
 187 INLINE void
 188 NineVolume9_AddDirtyRegion( struct NineVolume9 *This,
 189                             const struct pipe_box *box )
 190 {
 191     struct pipe_box cover_a, cover_b;
 192     float vol[2];
 193
 194     if (!box) {
 195         u_box_3d(0, 0, 0, This->desc.Width, This->desc.Height,
 196                  This->desc.Depth, &This->dirty_box[0]);
 197         memset(&This->dirty_box[1], 0, sizeof(This->dirty_box[1]));
 198         return;
 199     }
 200     if (!This->dirty_box[0].width) {
 201         This->dirty_box[0] = *box;
 202         return;
 203     }
 204
 205     u_box_union_3d(&cover_a, &This->dirty_box[0], box);
 206     vol[0] = u_box_volume_3d(&cover_a);
 207
 208     if (This->dirty_box[1].width == 0) {
 209         vol[1] = u_box_volume_3d(&This->dirty_box[0]);
 210         if (vol[0] > (vol[1] * 1.5f))
 211             This->dirty_box[1] = *box;
 212         else
 213             This->dirty_box[0] = cover_a;
 214     } else {
 215         u_box_union_3d(&cover_b, &This->dirty_box[1], box);
 216         vol[1] = u_box_volume_3d(&cover_b);
 217
 218         if (vol[0] > vol[1])
 219             This->dirty_box[1] = cover_b;
 220         else
 221             This->dirty_box[0] = cover_a;
 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 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     user_assert(This->desc.Pool != D3DPOOL_DEFAULT ||
 254                 (This->desc.Usage & D3DUSAGE_DYNAMIC), D3DERR_INVALIDCALL);
 255
 256     user_assert(!((Flags & D3DLOCK_DISCARD) && (Flags & D3DLOCK_READONLY)),
 257                 D3DERR_INVALIDCALL);
 258
 259     user_assert(This->lock_count == 0, D3DERR_INVALIDCALL);
 260     user_assert(pLockedVolume, E_POINTER);
 261
 262     if (pBox && This->desc.Pool == D3DPOOL_DEFAULT &&
 263         util_format_is_compressed(This->info.format)) {
 264         const unsigned w = util_format_get_blockwidth(This->info.format);
 265         const unsigned h = util_format_get_blockheight(This->info.format);
 266         user_assert(!(pBox->Left % w) && !(pBox->Right % w) &&
 267                     !(pBox->Top % h) && !(pBox->Bottom % h),
 268                     D3DERR_INVALIDCALL);
 269     }
 270
 271     if (Flags & D3DLOCK_DISCARD) {
 272         usage = PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD_RANGE;
 273     } else {
 274         usage = (Flags & D3DLOCK_READONLY) ?
 275             PIPE_TRANSFER_READ : PIPE_TRANSFER_READ_WRITE;
 276     }
 277     if (Flags & D3DLOCK_DONOTWAIT)
 278         usage |= PIPE_TRANSFER_DONTBLOCK;
 279
 280     if (pBox) {
 281         d3dbox_to_pipe_box(&box, pBox);
 282         if (u_box_clip_2d(&box, &box, This->desc.Width, This->desc.Height) < 0) {
 283             DBG("Locked volume intersection empty.\n");
 284             return D3DERR_INVALIDCALL;
 285         }
 286     } else {
 287         u_box_3d(0, 0, 0, This->desc.Width, This->desc.Height, This->desc.Depth,
 288                  &box);
 289     }
 290
 291     if (This->data) {
 292         pLockedVolume->RowPitch = This->stride;
 293         pLockedVolume->SlicePitch = This->layer_stride;
 294         pLockedVolume->pBits =
 295             NineVolume9_GetSystemMemPointer(This, box.x, box.y, box.z);
 296     } else {
 297         pLockedVolume->pBits =
 298             This->pipe->transfer_map(This->pipe, resource, This->level, usage,
 299                                      &box, &This->transfer);
 300         if (!This->transfer) {
 301             if (Flags & D3DLOCK_DONOTWAIT)
 302                 return D3DERR_WASSTILLDRAWING;
 303             return D3DERR_DRIVERINTERNALERROR;
 304         }
 305         pLockedVolume->RowPitch = This->transfer->stride;
 306         pLockedVolume->SlicePitch = This->transfer->layer_stride;
 307     }
 308
 309     if (!(Flags & (D3DLOCK_NO_DIRTY_UPDATE | D3DLOCK_READONLY))) {
 310         NineVolume9_MarkContainerDirty(This);
 311         if (This->desc.Pool == D3DPOOL_MANAGED)
 312             NineVolume9_AddDirtyRegion(This, &box);
 313     }
 314
 315     ++This->lock_count;
 316     return D3D_OK;
 317 }
 318
 319 HRESULT WINAPI
 320 NineVolume9_UnlockBox( struct NineVolume9 *This )
 321 {
 322     DBG("This=%p lock_count=%u\n", This, This->lock_count);
 323     user_assert(This->lock_count, D3DERR_INVALIDCALL);
 324     if (This->transfer) {
 325         This->pipe->transfer_unmap(This->pipe, This->transfer);
 326         This->transfer = NULL;
 327     }
 328     --This->lock_count;
 329     return D3D_OK;
 330 }
 331
 332
 333 HRESULT
 334 NineVolume9_CopyVolume( struct NineVolume9 *This,
 335                         struct NineVolume9 *From,
 336                         unsigned dstx, unsigned dsty, unsigned dstz,
 337                         struct pipe_box *pSrcBox )
 338 {
 339     struct pipe_context *pipe = This->pipe;
 340     struct pipe_resource *r_dst = This->resource;
 341     struct pipe_resource *r_src = From->resource;
 342     struct pipe_transfer *transfer;
 343     struct pipe_box src_box;
 344     struct pipe_box dst_box;
 345     uint8_t *p_dst;
 346     const uint8_t *p_src;
 347
 348     DBG("This=%p From=%p dstx=%u dsty=%u dstz=%u pSrcBox=%p\n",
 349         This, From, dstx, dsty, dstz, pSrcBox);
 350
 351     user_assert(This->desc.Format == From->desc.Format, D3DERR_INVALIDCALL);
 352
 353     dst_box.x = dstx;
 354     dst_box.y = dsty;
 355     dst_box.z = dstz;
 356
 357     if (pSrcBox) {
 358         /* make sure it doesn't range outside the source volume */
 359         user_assert(pSrcBox->x >= 0 &&
 360                     (pSrcBox->width - pSrcBox->x) <= From->desc.Width &&
 361                     pSrcBox->y >= 0 &&
 362                     (pSrcBox->height - pSrcBox->y) <= From->desc.Height &&
 363                     pSrcBox->z >= 0 &&
 364                     (pSrcBox->depth - pSrcBox->z) <= From->desc.Depth,
 365                     D3DERR_INVALIDCALL);
 366         src_box = *pSrcBox;
 367     } else {
 368         src_box.x = 0;
 369         src_box.y = 0;
 370         src_box.z = 0;
 371         src_box.width = From->desc.Width;
 372         src_box.height = From->desc.Height;
 373         src_box.depth = From->desc.Depth;
 374     }
 375     /* limits */
 376     dst_box.width = This->desc.Width - dst_box.x;
 377     dst_box.height = This->desc.Height - dst_box.y;
 378     dst_box.depth = This->desc.Depth - dst_box.z;
 379
 380     user_assert(src_box.width <= dst_box.width &&
 381                 src_box.height <= dst_box.height &&
 382                 src_box.depth <= dst_box.depth, D3DERR_INVALIDCALL);
 383
 384     dst_box.width = src_box.width;
 385     dst_box.height = src_box.height;
 386     dst_box.depth = src_box.depth;
 387
 388     /* Don't copy to device memory of managed resources.
 389      * We don't want to download it back again later.
 390      */
 391     if (This->desc.Pool == D3DPOOL_MANAGED)
 392         r_dst = NULL;
 393
 394     /* Don't copy from stale device memory of managed resources.
 395      * Also, don't copy between system and device if we don't have to.
 396      */
 397     if (From->desc.Pool == D3DPOOL_MANAGED) {
 398         if (!r_dst || NineVolume9_IsDirty(From))
 399             r_src = NULL;
 400     }
 401
 402     if (r_dst && r_src) {
 403         pipe->resource_copy_region(pipe,
 404                                    r_dst, This->level,
 405                                    dst_box.x, dst_box.y, dst_box.z,
 406                                    r_src, From->level,
 407                                    &src_box);
 408     } else
 409     if (r_dst) {
 410         p_src = NineVolume9_GetSystemMemPointer(From,
 411             src_box.x, src_box.y, src_box.z);
 412
 413         pipe->transfer_inline_write(pipe, r_dst, This->level,
 414                                     0, /* WRITE|DISCARD are implicit */
 415                                     &dst_box, p_src,
 416                                     From->stride, From->layer_stride);
 417     } else
 418     if (r_src) {
 419         p_dst = NineVolume9_GetSystemMemPointer(This, 0, 0, 0);
 420         p_src = pipe->transfer_map(pipe, r_src, From->level,
 421                                    PIPE_TRANSFER_READ,
 422                                    &src_box, &transfer);
 423         if (!p_src)
 424             return D3DERR_DRIVERINTERNALERROR;
 425
 426         util_copy_box(p_dst, This->info.format,
 427                       This->stride, This->layer_stride,
 428                       dst_box.x, dst_box.y, dst_box.z,
 429                       dst_box.width, dst_box.height, dst_box.depth,
 430                       p_src,
 431                       transfer->stride, transfer->layer_stride,
 432                       src_box.x, src_box.y, src_box.z);
 433
 434         pipe->transfer_unmap(pipe, transfer);
 435     } else {
 436         p_dst = NineVolume9_GetSystemMemPointer(This, 0, 0, 0);
 437         p_src = NineVolume9_GetSystemMemPointer(From, 0, 0, 0);
 438
 439         util_copy_box(p_dst, This->info.format,
 440                       This->stride, This->layer_stride,
 441                       dst_box.x, dst_box.y, dst_box.z,
 442                       dst_box.width, dst_box.height, dst_box.depth,
 443                       p_src,
 444                       From->stride, From->layer_stride,
 445                       src_box.x, src_box.y, src_box.z);
 446     }
 447
 448     if (This->desc.Pool == D3DPOOL_DEFAULT ||
 449         This->desc.Pool == D3DPOOL_MANAGED)
 450         NineVolume9_MarkContainerDirty(This);
 451     if (!r_dst && This->resource)
 452         NineVolume9_AddDirtyRegion(This, &dst_box);
 453
 454     return D3D_OK;
 455 }
 456
 457 HRESULT
 458 NineVolume9_UploadSelf( struct NineVolume9 *This )
 459 {
 460     struct pipe_context *pipe = This->pipe;
 461     struct pipe_resource *res = This->resource;
 462     uint8_t *ptr;
 463     unsigned i;
 464
 465     DBG("This=%p dirty=%i data=%p res=%p\n", This, NineVolume9_IsDirty(This),
 466         This->data, res);
 467
 468     assert(This->desc.Pool == D3DPOOL_MANAGED);
 469
 470     if (!NineVolume9_IsDirty(This))
 471         return D3D_OK;
 472     assert(res);
 473
 474     for (i = 0; i < Elements(This->dirty_box); ++i) {
 475         const struct pipe_box *box = &This->dirty_box[i];
 476         if (box->width == 0)
 477             break;
 478         ptr = NineVolume9_GetSystemMemPointer(This, box->x, box->y, box->z);
 479
 480         pipe->transfer_inline_write(pipe, res, This->level,
 481                                     0,
 482                                     box, ptr, This->stride, This->layer_stride);
 483     }
 484     NineVolume9_ClearDirtyRegion(This);
 485
 486     return D3D_OK;
 487 }
 488
 489
 490 IDirect3DVolume9Vtbl NineVolume9_vtable = {
 491     (void *)NineUnknown_QueryInterface,
 492     (void *)NineUnknown_AddRef,
 493     (void *)NineUnknown_Release,
 494     (void *)NineUnknown_GetDevice, /* actually part of Volume9 iface */
 495     (void *)NineVolume9_SetPrivateData,
 496     (void *)NineVolume9_GetPrivateData,
 497     (void *)NineVolume9_FreePrivateData,
 498     (void *)NineVolume9_GetContainer,
 499     (void *)NineVolume9_GetDesc,
 500     (void *)NineVolume9_LockBox,
 501     (void *)NineVolume9_UnlockBox
 502 };
 503
 504 static const GUID *NineVolume9_IIDs[] = {
 505     &IID_IDirect3DVolume9,
 506     &IID_IUnknown,
 507     NULL
 508 };
 509
 510 HRESULT
 511 NineVolume9_new( struct NineDevice9 *pDevice,
 512                  struct NineUnknown *pContainer,
 513                  struct pipe_resource *pResource,
 514                  unsigned Level,
 515                  D3DVOLUME_DESC *pDesc,
 516                  struct NineVolume9 **ppOut )
 517 {
 518     NINE_DEVICE_CHILD_NEW(Volume9, ppOut, pDevice, /* args */
 519                           pContainer, pResource, Level, pDesc);
 520 }
 521
 522
 523 /*** The boring stuff. TODO: Unify with Resource. ***/
 524
 525 HRESULT WINAPI
 526 NineVolume9_SetPrivateData( struct NineVolume9 *This,
 527                             REFGUID refguid,
 528                             const void *pData,
 529                             DWORD SizeOfData,
 530                             DWORD Flags )
 531 {
 532     enum pipe_error err;
 533     struct pheader *header;
 534     const void *user_data = pData;
 535
 536     DBG("This=%p refguid=%p pData=%p SizeOfData=%d Flags=%d\n",
 537         This, refguid, pData, SizeOfData, Flags);
 538
 539     if (Flags & D3DSPD_IUNKNOWN)
 540         user_assert(SizeOfData == sizeof(IUnknown *), D3DERR_INVALIDCALL);
 541
 542     /* data consists of a header and the actual data. avoiding 2 mallocs */
 543     header = CALLOC_VARIANT_LENGTH_STRUCT(pheader, SizeOfData-1);
 544     if (!header) { return E_OUTOFMEMORY; }
 545     header->unknown = (Flags & D3DSPD_IUNKNOWN) ? TRUE : FALSE;
 546
 547     /* if the refguid already exists, delete it */
 548     NineVolume9_FreePrivateData(This, refguid);
 549
 550     /* IUnknown special case */
 551     if (header->unknown) {
 552         /* here the pointer doesn't point to the data we want, so point at the
 553          * pointer making what we eventually copy is the pointer itself */
 554         user_data = &pData;
 555     }
 556
 557     header->size = SizeOfData;
 558     memcpy(header->data, user_data, header->size);
 559
 560     err = util_hash_table_set(This->pdata, refguid, header);
 561     if (err == PIPE_OK) {
 562         if (header->unknown) { IUnknown_AddRef(*(IUnknown **)header->data); }
 563         return D3D_OK;
 564     }
 565
 566     FREE(header);
 567     if (err == PIPE_ERROR_OUT_OF_MEMORY) { return E_OUTOFMEMORY; }
 568
 569     return D3DERR_DRIVERINTERNALERROR;
 570 }
 571
 572 HRESULT WINAPI
 573 NineVolume9_GetPrivateData( struct NineVolume9 *This,
 574                             REFGUID refguid,
 575                             void *pData,
 576                             DWORD *pSizeOfData )
 577 {
 578     struct pheader *header;
 579
 580     user_assert(pSizeOfData, E_POINTER);
 581
 582     header = util_hash_table_get(This->pdata, refguid);
 583     if (!header) { return D3DERR_NOTFOUND; }
 584
 585     if (!pData) {
 586         *pSizeOfData = header->size;
 587         return D3D_OK;
 588     }
 589     if (*pSizeOfData < header->size) {
 590         return D3DERR_MOREDATA;
 591     }
 592
 593     if (header->unknown) { IUnknown_AddRef(*(IUnknown **)header->data); }
 594     memcpy(pData, header->data, header->size);
 595
 596     return D3D_OK;
 597 }
 598
 599 HRESULT WINAPI
 600 NineVolume9_FreePrivateData( struct NineVolume9 *This,
 601                              REFGUID refguid )
 602 {
 603     struct pheader *header;
 604
 605     DBG("This=%p refguid=%p\n", This, refguid);
 606
 607     header = util_hash_table_get(This->pdata, refguid);
 608     if (!header) { return D3DERR_NOTFOUND; }
 609
 610     ht_guid_delete(NULL, header, NULL);
 611     util_hash_table_remove(This->pdata, refguid);
 612
 613     return D3D_OK;
 614 }
 615