git.oblomov.eu Git - wine/blob - dlls/wined3d/cubetexture.c

   1 /*
   2  * IWineD3DCubeTexture implementation
   3  *
   4  * Copyright 2002-2005 Jason Edmeades
   5  * Copyright 2002-2005 Raphael Junqueira
   6  * Copyright 2005 Oliver Stieber
   7  * Copyright 2007-2008 Stefan Dösinger for CodeWeavers
   8  * Copyright 2009-2010 Henri Verbeet for CodeWeavers
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  23  */
  24
  25 #include "config.h"
  26 #include "wined3d_private.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(d3d_texture);
  29
  30 /* Do not call while under the GL lock. */
  31 static void cubetexture_internal_preload(IWineD3DBaseTexture *iface, enum WINED3DSRGB srgb)
  32 {
  33     /* Override the IWineD3DResource Preload method. */
  34     IWineD3DCubeTextureImpl *This = (IWineD3DCubeTextureImpl *)iface;
  35     UINT sub_count = This->baseTexture.level_count * This->baseTexture.layer_count;
  36     IWineD3DDeviceImpl *device = This->resource.device;
  37     struct wined3d_context *context = NULL;
  38     BOOL srgb_mode;
  39     BOOL *dirty;
  40     UINT i;
  41
  42     switch (srgb)
  43     {
  44         case SRGB_RGB:
  45             srgb_mode = FALSE;
  46             break;
  47
  48         case SRGB_BOTH:
  49             cubetexture_internal_preload(iface, SRGB_RGB);
  50             /* Fallthrough */
  51
  52         case SRGB_SRGB:
  53             srgb_mode = TRUE;
  54             break;
  55
  56         default:
  57             srgb_mode = This->baseTexture.is_srgb;
  58             break;
  59     }
  60     dirty = srgb_mode ? &This->baseTexture.texture_srgb.dirty : &This->baseTexture.texture_rgb.dirty;
  61
  62     TRACE("(%p) : About to load texture: dirtified(%u).\n", This, *dirty);
  63
  64     /* We only have to activate a context for gl when we're not drawing.
  65      * In most cases PreLoad will be called during draw and a context was
  66      * activated at the beginning of drawPrimitive. */
  67     if (!device->isInDraw)
  68     {
  69         /* No danger of recursive calls, context_acquire() sets isInDraw to true
  70          * when loading offscreen render targets into their texture. */
  71         context = context_acquire(device, NULL);
  72     }
  73
  74     if (This->resource.format->id == WINED3DFMT_P8_UINT
  75             || This->resource.format->id == WINED3DFMT_P8_UINT_A8_UNORM)
  76     {
  77         for (i = 0; i < sub_count; ++i)
  78         {
  79             IWineD3DSurfaceImpl *surface = (IWineD3DSurfaceImpl *)This->baseTexture.sub_resources[i];
  80
  81             if (palette9_changed(surface))
  82             {
  83                 TRACE("Reloading surface %p because the d3d8/9 palette was changed.\n", surface);
  84                 /* TODO: This is not necessarily needed with hw palettized texture support. */
  85                 surface_load_location(surface, SFLAG_INSYSMEM, NULL);
  86                 /* Make sure the texture is reloaded because of the palette change,
  87                  * this kills performance though :( */
  88                 surface_modify_location(surface, SFLAG_INTEXTURE, FALSE);
  89             }
  90         }
  91     }
  92
  93     /* If the texture is marked dirty or the srgb sampler setting has changed
  94      * since the last load then reload the surfaces. */
  95     if (*dirty)
  96     {
  97         for (i = 0; i < sub_count; ++i)
  98         {
  99             IWineD3DSurface_LoadTexture((IWineD3DSurface *)This->baseTexture.sub_resources[i], srgb_mode);
 100         }
 101     }
 102     else
 103     {
 104         TRACE("(%p) Texture not dirty, nothing to do.\n" , iface);
 105     }
 106
 107     /* No longer dirty. */
 108     *dirty = FALSE;
 109
 110     if (context) context_release(context);
 111 }
 112
 113 static void cubetexture_cleanup(IWineD3DCubeTextureImpl *This)
 114 {
 115     UINT sub_count = This->baseTexture.level_count * This->baseTexture.layer_count;
 116     UINT i;
 117
 118     TRACE("(%p) : Cleaning up.\n", This);
 119
 120     for (i = 0; i < sub_count; ++i)
 121     {
 122         IWineD3DSurfaceImpl *surface = (IWineD3DSurfaceImpl *)This->baseTexture.sub_resources[i];
 123
 124         if (surface)
 125         {
 126             /* Clean out the texture name we gave to the surface so that the
 127              * surface doesn't try and release it. */
 128             surface_set_texture_name(surface, 0, TRUE);
 129             surface_set_texture_name(surface, 0, FALSE);
 130             surface_set_texture_target(surface, 0);
 131             surface_set_container(surface, WINED3D_CONTAINER_NONE, NULL);
 132             IWineD3DSurface_Release((IWineD3DSurface *)surface);
 133         }
 134     }
 135     basetexture_cleanup((IWineD3DBaseTexture *)This);
 136 }
 137
 138 /* *******************************************
 139    IWineD3DCubeTexture IUnknown parts follow
 140    ******************************************* */
 141
 142 static HRESULT WINAPI IWineD3DCubeTextureImpl_QueryInterface(IWineD3DCubeTexture *iface, REFIID riid, LPVOID *ppobj)
 143 {
 144     IWineD3DCubeTextureImpl *This = (IWineD3DCubeTextureImpl *)iface;
 145     TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppobj);
 146     if (IsEqualGUID(riid, &IID_IUnknown)
 147         || IsEqualGUID(riid, &IID_IWineD3DBase)
 148         || IsEqualGUID(riid, &IID_IWineD3DResource)
 149         || IsEqualGUID(riid, &IID_IWineD3DBaseTexture)
 150         || IsEqualGUID(riid, &IID_IWineD3DCubeTexture)) {
 151         IUnknown_AddRef(iface);
 152         *ppobj = This;
 153         return S_OK;
 154     }
 155     *ppobj = NULL;
 156     return E_NOINTERFACE;
 157 }
 158
 159 static ULONG WINAPI IWineD3DCubeTextureImpl_AddRef(IWineD3DCubeTexture *iface) {
 160     IWineD3DCubeTextureImpl *This = (IWineD3DCubeTextureImpl *)iface;
 161     TRACE("(%p) : AddRef increasing from %d\n", This, This->resource.ref);
 162     return InterlockedIncrement(&This->resource.ref);
 163 }
 164
 165 /* Do not call while under the GL lock. */
 166 static ULONG WINAPI IWineD3DCubeTextureImpl_Release(IWineD3DCubeTexture *iface) {
 167     IWineD3DCubeTextureImpl *This = (IWineD3DCubeTextureImpl *)iface;
 168     ULONG ref;
 169     TRACE("(%p) : Releasing from %d\n", This, This->resource.ref);
 170     ref = InterlockedDecrement(&This->resource.ref);
 171     if (!ref)
 172     {
 173         cubetexture_cleanup(This);
 174         This->resource.parent_ops->wined3d_object_destroyed(This->resource.parent);
 175         HeapFree(GetProcessHeap(), 0, This);
 176     }
 177     return ref;
 178 }
 179
 180 /* ****************************************************
 181    IWineD3DCubeTexture IWineD3DResource parts follow
 182    **************************************************** */
 183 static HRESULT WINAPI IWineD3DCubeTextureImpl_SetPrivateData(IWineD3DCubeTexture *iface,
 184         REFGUID riid, const void *data, DWORD data_size, DWORD flags)
 185 {
 186     return resource_set_private_data((IWineD3DResource *)iface, riid, data, data_size, flags);
 187 }
 188
 189 static HRESULT WINAPI IWineD3DCubeTextureImpl_GetPrivateData(IWineD3DCubeTexture *iface, REFGUID refguid, void* pData, DWORD* pSizeOfData) {
 190     return resource_get_private_data((IWineD3DResource *)iface, refguid, pData, pSizeOfData);
 191 }
 192
 193 static HRESULT WINAPI IWineD3DCubeTextureImpl_FreePrivateData(IWineD3DCubeTexture *iface, REFGUID refguid) {
 194     return resource_free_private_data((IWineD3DResource *)iface, refguid);
 195 }
 196
 197 static DWORD WINAPI IWineD3DCubeTextureImpl_SetPriority(IWineD3DCubeTexture *iface, DWORD PriorityNew) {
 198     return resource_set_priority((IWineD3DResource *)iface, PriorityNew);
 199 }
 200
 201 static DWORD WINAPI IWineD3DCubeTextureImpl_GetPriority(IWineD3DCubeTexture *iface) {
 202     return resource_get_priority((IWineD3DResource *)iface);
 203 }
 204
 205 /* Do not call while under the GL lock. */
 206 static void WINAPI IWineD3DCubeTextureImpl_PreLoad(IWineD3DCubeTexture *iface) {
 207     cubetexture_internal_preload((IWineD3DBaseTexture *) iface, SRGB_ANY);
 208 }
 209
 210 /* Do not call while under the GL lock. */
 211 static void WINAPI IWineD3DCubeTextureImpl_UnLoad(IWineD3DCubeTexture *iface)
 212 {
 213     IWineD3DCubeTextureImpl *This = (IWineD3DCubeTextureImpl *)iface;
 214     UINT sub_count = This->baseTexture.level_count * This->baseTexture.layer_count;
 215     UINT i;
 216
 217     TRACE("iface %p.\n", iface);
 218
 219     /* Unload all the surfaces and reset the texture name. If UnLoad was called on the
 220      * surface before, this one will be a NOP and vice versa. Unloading an unloaded
 221      * surface is fine. */
 222
 223     for (i = 0; i < sub_count; ++i)
 224     {
 225         IWineD3DSurfaceImpl *surface = (IWineD3DSurfaceImpl *)This->baseTexture.sub_resources[i];
 226
 227         IWineD3DSurface_UnLoad((IWineD3DSurface *)surface);
 228         surface_set_texture_name(surface, 0, TRUE);
 229         surface_set_texture_name(surface, 0, FALSE);
 230     }
 231
 232     basetexture_unload((IWineD3DBaseTexture *)iface);
 233 }
 234
 235 static WINED3DRESOURCETYPE WINAPI IWineD3DCubeTextureImpl_GetType(IWineD3DCubeTexture *iface) {
 236     return resource_get_type((IWineD3DResource *)iface);
 237 }
 238
 239 static void * WINAPI IWineD3DCubeTextureImpl_GetParent(IWineD3DCubeTexture *iface)
 240 {
 241     TRACE("iface %p.\n", iface);
 242
 243     return ((IWineD3DCubeTextureImpl *)iface)->resource.parent;
 244 }
 245
 246 /* ******************************************************
 247    IWineD3DCubeTexture IWineD3DBaseTexture parts follow
 248    ****************************************************** */
 249 static DWORD WINAPI IWineD3DCubeTextureImpl_SetLOD(IWineD3DCubeTexture *iface, DWORD LODNew) {
 250     return basetexture_set_lod((IWineD3DBaseTexture *)iface, LODNew);
 251 }
 252
 253 static DWORD WINAPI IWineD3DCubeTextureImpl_GetLOD(IWineD3DCubeTexture *iface) {
 254     return basetexture_get_lod((IWineD3DBaseTexture *)iface);
 255 }
 256
 257 static DWORD WINAPI IWineD3DCubeTextureImpl_GetLevelCount(IWineD3DCubeTexture *iface) {
 258     return basetexture_get_level_count((IWineD3DBaseTexture *)iface);
 259 }
 260
 261 static HRESULT WINAPI IWineD3DCubeTextureImpl_SetAutoGenFilterType(IWineD3DCubeTexture *iface, WINED3DTEXTUREFILTERTYPE FilterType) {
 262   return basetexture_set_autogen_filter_type((IWineD3DBaseTexture *)iface, FilterType);
 263 }
 264
 265 static WINED3DTEXTUREFILTERTYPE WINAPI IWineD3DCubeTextureImpl_GetAutoGenFilterType(IWineD3DCubeTexture *iface) {
 266   return basetexture_get_autogen_filter_type((IWineD3DBaseTexture *)iface);
 267 }
 268
 269 static void WINAPI IWineD3DCubeTextureImpl_GenerateMipSubLevels(IWineD3DCubeTexture *iface) {
 270     basetexture_generate_mipmaps((IWineD3DBaseTexture *)iface);
 271 }
 272
 273 /* Internal function, No d3d mapping */
 274 static BOOL WINAPI IWineD3DCubeTextureImpl_SetDirty(IWineD3DCubeTexture *iface, BOOL dirty) {
 275     return basetexture_set_dirty((IWineD3DBaseTexture *)iface, dirty);
 276 }
 277
 278 /* Internal function, No d3d mapping */
 279 static BOOL WINAPI IWineD3DCubeTextureImpl_GetDirty(IWineD3DCubeTexture *iface) {
 280     return basetexture_get_dirty((IWineD3DBaseTexture *)iface);
 281 }
 282
 283 /* Context activation is done by the caller. */
 284 static HRESULT WINAPI IWineD3DCubeTextureImpl_BindTexture(IWineD3DCubeTexture *iface, BOOL srgb) {
 285     IWineD3DCubeTextureImpl *This = (IWineD3DCubeTextureImpl *)iface;
 286     BOOL set_gl_texture_desc;
 287     HRESULT hr;
 288
 289     TRACE("(%p) : relay to BaseTexture\n", This);
 290
 291     hr = basetexture_bind((IWineD3DBaseTexture *)iface, srgb, &set_gl_texture_desc);
 292     if (set_gl_texture_desc && SUCCEEDED(hr))
 293     {
 294         UINT sub_count = This->baseTexture.level_count * This->baseTexture.layer_count;
 295         UINT i;
 296
 297         for (i = 0; i < sub_count; ++i)
 298         {
 299             IWineD3DSurfaceImpl *surface = (IWineD3DSurfaceImpl *)This->baseTexture.sub_resources[i];
 300
 301             if (This->baseTexture.is_srgb)
 302                 surface_set_texture_name(surface, This->baseTexture.texture_srgb.name, TRUE);
 303             else
 304                 surface_set_texture_name(surface, This->baseTexture.texture_rgb.name, FALSE);
 305         }
 306     }
 307
 308     return hr;
 309 }
 310
 311 static BOOL WINAPI IWineD3DCubeTextureImpl_IsCondNP2(IWineD3DCubeTexture *iface)
 312 {
 313     TRACE("iface %p.\n", iface);
 314
 315     return FALSE;
 316 }
 317
 318 static HRESULT WINAPI IWineD3DCubeTextureImpl_GetLevelDesc(IWineD3DCubeTexture *iface,
 319         UINT sub_resource_idx, WINED3DSURFACE_DESC *desc)
 320 {
 321     IWineD3DBaseTextureImpl *texture = (IWineD3DBaseTextureImpl *)iface;
 322     IWineD3DSurface *surface;
 323
 324     TRACE("iface %p, sub_resource_idx %u, desc %p.\n", iface, sub_resource_idx, desc);
 325
 326     if (!(surface = (IWineD3DSurface *)basetexture_get_sub_resource(texture, sub_resource_idx)))
 327     {
 328         WARN("Failed to get sub-resource.\n");
 329         return WINED3DERR_INVALIDCALL;
 330     }
 331
 332     IWineD3DSurface_GetDesc(surface, desc);
 333
 334     return WINED3D_OK;
 335 }
 336
 337 static HRESULT WINAPI IWineD3DCubeTextureImpl_GetCubeMapSurface(IWineD3DCubeTexture *iface,
 338         UINT sub_resource_idx, IWineD3DSurface **surface)
 339 {
 340     IWineD3DBaseTextureImpl *texture = (IWineD3DBaseTextureImpl *)iface;
 341     IWineD3DSurface *s;
 342
 343     TRACE("iface %p, sub_resource_idx %u, surface %p.\n",
 344             iface, sub_resource_idx, surface);
 345
 346     if (!(s = (IWineD3DSurface *)basetexture_get_sub_resource(texture, sub_resource_idx)))
 347     {
 348         WARN("Failed to get sub-resource.\n");
 349         return WINED3DERR_INVALIDCALL;
 350     }
 351
 352     IWineD3DSurface_AddRef(s);
 353     *surface = s;
 354
 355     TRACE("Returning surface %p.\n", *surface);
 356
 357     return WINED3D_OK;
 358 }
 359
 360 static HRESULT WINAPI IWineD3DCubeTextureImpl_Map(IWineD3DCubeTexture *iface,
 361         UINT sub_resource_idx, WINED3DLOCKED_RECT *locked_rect, const RECT *rect, DWORD flags)
 362 {
 363     IWineD3DBaseTextureImpl *texture = (IWineD3DBaseTextureImpl *)iface;
 364     IWineD3DSurface *surface;
 365
 366     TRACE("iface %p, sub_resource_idx %u, locked_rect %p, rect %s, flags %#x.\n",
 367             iface, sub_resource_idx, locked_rect, wine_dbgstr_rect(rect), flags);
 368
 369     if (!(surface = (IWineD3DSurface *)basetexture_get_sub_resource(texture, sub_resource_idx)))
 370     {
 371         WARN("Failed to get sub-resource.\n");
 372         return WINED3DERR_INVALIDCALL;
 373     }
 374
 375     return IWineD3DSurface_Map(surface, locked_rect, rect, flags);
 376 }
 377
 378 static HRESULT WINAPI IWineD3DCubeTextureImpl_Unmap(IWineD3DCubeTexture *iface,
 379         UINT sub_resource_idx)
 380 {
 381     IWineD3DBaseTextureImpl *texture = (IWineD3DBaseTextureImpl *)iface;
 382     IWineD3DSurface *surface;
 383
 384     TRACE("iface %p, sub_resource_idx %u.\n",
 385             iface, sub_resource_idx);
 386
 387     if (!(surface = (IWineD3DSurface *)basetexture_get_sub_resource(texture, sub_resource_idx)))
 388     {
 389         WARN("Failed to get sub-resource.\n");
 390         return WINED3DERR_INVALIDCALL;
 391     }
 392
 393     return IWineD3DSurface_Unmap(surface);
 394 }
 395
 396 static HRESULT WINAPI IWineD3DCubeTextureImpl_AddDirtyRect(IWineD3DCubeTexture *iface,
 397         WINED3DCUBEMAP_FACES face, const RECT *dirty_rect)
 398 {
 399     IWineD3DBaseTextureImpl *texture = (IWineD3DBaseTextureImpl *)iface;
 400     UINT sub_resource_idx = face * texture->baseTexture.level_count;
 401     IWineD3DSurfaceImpl *surface;
 402
 403     TRACE("iface %p, face %u, dirty_rect %s.\n",
 404             iface, face, wine_dbgstr_rect(dirty_rect));
 405
 406     if (!(surface = (IWineD3DSurfaceImpl *)basetexture_get_sub_resource(texture, sub_resource_idx)))
 407     {
 408         WARN("Failed to get sub-resource.\n");
 409         return WINED3DERR_INVALIDCALL;
 410     }
 411
 412     texture->baseTexture.texture_rgb.dirty = TRUE;
 413     texture->baseTexture.texture_srgb.dirty = TRUE;
 414     surface_add_dirty_rect(surface, dirty_rect);
 415
 416     return WINED3D_OK;
 417 }
 418
 419 static const IWineD3DCubeTextureVtbl IWineD3DCubeTexture_Vtbl =
 420 {
 421     /* IUnknown */
 422     IWineD3DCubeTextureImpl_QueryInterface,
 423     IWineD3DCubeTextureImpl_AddRef,
 424     IWineD3DCubeTextureImpl_Release,
 425     /* IWineD3DResource */
 426     IWineD3DCubeTextureImpl_GetParent,
 427     IWineD3DCubeTextureImpl_SetPrivateData,
 428     IWineD3DCubeTextureImpl_GetPrivateData,
 429     IWineD3DCubeTextureImpl_FreePrivateData,
 430     IWineD3DCubeTextureImpl_SetPriority,
 431     IWineD3DCubeTextureImpl_GetPriority,
 432     IWineD3DCubeTextureImpl_PreLoad,
 433     IWineD3DCubeTextureImpl_UnLoad,
 434     IWineD3DCubeTextureImpl_GetType,
 435     /* IWineD3DBaseTexture */
 436     IWineD3DCubeTextureImpl_SetLOD,
 437     IWineD3DCubeTextureImpl_GetLOD,
 438     IWineD3DCubeTextureImpl_GetLevelCount,
 439     IWineD3DCubeTextureImpl_SetAutoGenFilterType,
 440     IWineD3DCubeTextureImpl_GetAutoGenFilterType,
 441     IWineD3DCubeTextureImpl_GenerateMipSubLevels,
 442     IWineD3DCubeTextureImpl_SetDirty,
 443     IWineD3DCubeTextureImpl_GetDirty,
 444     IWineD3DCubeTextureImpl_BindTexture,
 445     IWineD3DCubeTextureImpl_IsCondNP2,
 446     /* IWineD3DCubeTexture */
 447     IWineD3DCubeTextureImpl_GetLevelDesc,
 448     IWineD3DCubeTextureImpl_GetCubeMapSurface,
 449     IWineD3DCubeTextureImpl_Map,
 450     IWineD3DCubeTextureImpl_Unmap,
 451     IWineD3DCubeTextureImpl_AddDirtyRect
 452 };
 453
 454 HRESULT cubetexture_init(IWineD3DCubeTextureImpl *texture, UINT edge_length, UINT levels,
 455         IWineD3DDeviceImpl *device, DWORD usage, enum wined3d_format_id format_id, WINED3DPOOL pool,
 456         void *parent, const struct wined3d_parent_ops *parent_ops)
 457 {
 458     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 459     const struct wined3d_format *format = wined3d_get_format(gl_info, format_id);
 460     UINT pow2_edge_length;
 461     unsigned int i, j;
 462     UINT tmp_w;
 463     HRESULT hr;
 464
 465     /* TODO: It should only be possible to create textures for formats
 466      * that are reported as supported. */
 467     if (WINED3DFMT_UNKNOWN >= format_id)
 468     {
 469         WARN("(%p) : Texture cannot be created with a format of WINED3DFMT_UNKNOWN.\n", texture);
 470         return WINED3DERR_INVALIDCALL;
 471     }
 472
 473     if (!gl_info->supported[ARB_TEXTURE_CUBE_MAP] && pool != WINED3DPOOL_SCRATCH)
 474     {
 475         WARN("(%p) : Tried to create not supported cube texture.\n", texture);
 476         return WINED3DERR_INVALIDCALL;
 477     }
 478
 479     /* Calculate levels for mip mapping */
 480     if (usage & WINED3DUSAGE_AUTOGENMIPMAP)
 481     {
 482         if (!gl_info->supported[SGIS_GENERATE_MIPMAP])
 483         {
 484             WARN("No mipmap generation support, returning D3DERR_INVALIDCALL.\n");
 485             return WINED3DERR_INVALIDCALL;
 486         }
 487
 488         if (levels > 1)
 489         {
 490             WARN("D3DUSAGE_AUTOGENMIPMAP is set, and level count > 1, returning D3DERR_INVALIDCALL.\n");
 491             return WINED3DERR_INVALIDCALL;
 492         }
 493
 494         levels = 1;
 495     }
 496     else if (!levels)
 497     {
 498         levels = wined3d_log2i(edge_length) + 1;
 499         TRACE("Calculated levels = %u.\n", levels);
 500     }
 501
 502     texture->lpVtbl = &IWineD3DCubeTexture_Vtbl;
 503
 504     hr = basetexture_init((IWineD3DBaseTextureImpl *)texture, 6, levels,
 505             WINED3DRTYPE_CUBETEXTURE, device, usage, format, pool, parent, parent_ops);
 506     if (FAILED(hr))
 507     {
 508         WARN("Failed to initialize basetexture, returning %#x\n", hr);
 509         return hr;
 510     }
 511
 512     /* Find the nearest pow2 match. */
 513     pow2_edge_length = 1;
 514     while (pow2_edge_length < edge_length) pow2_edge_length <<= 1;
 515
 516     if (gl_info->supported[ARB_TEXTURE_NON_POWER_OF_TWO] || (edge_length == pow2_edge_length))
 517     {
 518         /* Precalculated scaling for 'faked' non power of two texture coords. */
 519         texture->baseTexture.pow2Matrix[0] = 1.0f;
 520         texture->baseTexture.pow2Matrix[5] = 1.0f;
 521         texture->baseTexture.pow2Matrix[10] = 1.0f;
 522         texture->baseTexture.pow2Matrix[15] = 1.0f;
 523     }
 524     else
 525     {
 526         /* Precalculated scaling for 'faked' non power of two texture coords. */
 527         texture->baseTexture.pow2Matrix[0] = ((float)edge_length) / ((float)pow2_edge_length);
 528         texture->baseTexture.pow2Matrix[5] = ((float)edge_length) / ((float)pow2_edge_length);
 529         texture->baseTexture.pow2Matrix[10] = ((float)edge_length) / ((float)pow2_edge_length);
 530         texture->baseTexture.pow2Matrix[15] = 1.0f;
 531         texture->baseTexture.pow2Matrix_identity = FALSE;
 532     }
 533     texture->baseTexture.target = GL_TEXTURE_CUBE_MAP_ARB;
 534
 535     /* Generate all the surfaces. */
 536     tmp_w = edge_length;
 537     for (i = 0; i < texture->baseTexture.level_count; ++i)
 538     {
 539         /* Create the 6 faces. */
 540         for (j = 0; j < 6; ++j)
 541         {
 542             static const GLenum cube_targets[6] =
 543             {
 544                 GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB,
 545                 GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB,
 546                 GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB,
 547                 GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB,
 548                 GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB,
 549                 GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB,
 550             };
 551             UINT idx = j * texture->baseTexture.level_count + i;
 552             IWineD3DSurface *surface;
 553
 554             hr = IWineD3DDeviceParent_CreateSurface(device->device_parent, parent, tmp_w, tmp_w,
 555                     format_id, usage, pool, i /* Level */, j, &surface);
 556             if (FAILED(hr))
 557             {
 558                 FIXME("(%p) Failed to create surface, hr %#x.\n", texture, hr);
 559                 cubetexture_cleanup(texture);
 560                 return hr;
 561             }
 562
 563             surface_set_container((IWineD3DSurfaceImpl *)surface, WINED3D_CONTAINER_TEXTURE, (IWineD3DBase *)texture);
 564             surface_set_texture_target((IWineD3DSurfaceImpl *)surface, cube_targets[j]);
 565             texture->baseTexture.sub_resources[idx] = (IWineD3DResourceImpl *)surface;
 566             TRACE("Created surface level %u @ %p.\n", i, surface);
 567         }
 568         tmp_w = max(1, tmp_w >> 1);
 569     }
 570     texture->baseTexture.internal_preload = cubetexture_internal_preload;
 571
 572     return WINED3D_OK;
 573 }