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 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 static void cubetexture_internal_preload(IWineD3DBaseTexture *iface, enum WINED3DSRGB srgb)
  31 {
  32     /* Override the IWineD3DResource Preload method. */
  33     IWineD3DCubeTextureImpl *This = (IWineD3DCubeTextureImpl *)iface;
  34     UINT sub_count = This->baseTexture.level_count * This->baseTexture.layer_count;
  35     IWineD3DDeviceImpl *device = This->resource.device;
  36     struct wined3d_context *context = NULL;
  37     BOOL srgb_mode;
  38     BOOL *dirty;
  39     UINT i;
  40
  41     switch (srgb)
  42     {
  43         case SRGB_RGB:
  44             srgb_mode = FALSE;
  45             break;
  46
  47         case SRGB_BOTH:
  48             cubetexture_internal_preload(iface, SRGB_RGB);
  49             /* Fallthrough */
  50
  51         case SRGB_SRGB:
  52             srgb_mode = TRUE;
  53             break;
  54
  55         default:
  56             srgb_mode = This->baseTexture.is_srgb;
  57             break;
  58     }
  59     dirty = srgb_mode ? &This->baseTexture.texture_srgb.dirty : &This->baseTexture.texture_rgb.dirty;
  60
  61     TRACE("(%p) : About to load texture: dirtified(%u).\n", This, *dirty);
  62
  63     /* We only have to activate a context for gl when we're not drawing.
  64      * In most cases PreLoad will be called during draw and a context was
  65      * activated at the beginning of drawPrimitive. */
  66     if (!device->isInDraw)
  67     {
  68         /* No danger of recursive calls, context_acquire() sets isInDraw to true
  69          * when loading offscreen render targets into their texture. */
  70         context = context_acquire(device, NULL);
  71     }
  72
  73     if (This->resource.format_desc->format == WINED3DFMT_P8_UINT
  74             || This->resource.format_desc->format == WINED3DFMT_P8_UINT_A8_UNORM)
  75     {
  76         for (i = 0; i < sub_count; ++i)
  77         {
  78             IWineD3DSurfaceImpl *surface = (IWineD3DSurfaceImpl *)This->baseTexture.sub_resources[i];
  79
  80             if (palette9_changed(surface))
  81             {
  82                 TRACE("Reloading surface %p because the d3d8/9 palette was changed.\n", surface);
  83                 /* TODO: This is not necessarily needed with hw palettized texture support. */
  84                 IWineD3DSurface_LoadLocation((IWineD3DSurface *)surface, SFLAG_INSYSMEM, NULL);
  85                 /* Make sure the texture is reloaded because of the palette change,
  86                  * this kills performance though :( */
  87                 IWineD3DSurface_ModifyLocation((IWineD3DSurface *)surface, SFLAG_INTEXTURE, FALSE);
  88             }
  89         }
  90     }
  91
  92     /* If the texture is marked dirty or the srgb sampler setting has changed
  93      * since the last load then reload the surfaces. */
  94     if (*dirty)
  95     {
  96         for (i = 0; i < sub_count; ++i)
  97         {
  98             IWineD3DSurface_LoadTexture((IWineD3DSurface *)This->baseTexture.sub_resources[i], srgb_mode);
  99         }
 100     }
 101     else
 102     {
 103         TRACE("(%p) Texture not dirty, nothing to do.\n" , iface);
 104     }
 105
 106     /* No longer dirty. */
 107     *dirty = FALSE;
 108
 109     if (context) context_release(context);
 110 }
 111
 112 static void cubetexture_cleanup(IWineD3DCubeTextureImpl *This)
 113 {
 114     UINT sub_count = This->baseTexture.level_count * This->baseTexture.layer_count;
 115     UINT i;
 116
 117     TRACE("(%p) : Cleaning up.\n", This);
 118
 119     for (i = 0; i < sub_count; ++i)
 120     {
 121         IWineD3DSurfaceImpl *surface = (IWineD3DSurfaceImpl *)This->baseTexture.sub_resources[i];
 122
 123         if (surface)
 124         {
 125             /* Clean out the texture name we gave to the surface so that the
 126              * surface doesn't try and release it. */
 127             surface_set_texture_name(surface, 0, TRUE);
 128             surface_set_texture_name(surface, 0, FALSE);
 129             surface_set_texture_target(surface, 0);
 130             IWineD3DSurface_SetContainer((IWineD3DSurface *)surface, NULL);
 131             IWineD3DSurface_Release((IWineD3DSurface *)surface);
 132         }
 133     }
 134     basetexture_cleanup((IWineD3DBaseTexture *)This);
 135 }
 136
 137 /* *******************************************
 138    IWineD3DCubeTexture IUnknown parts follow
 139    ******************************************* */
 140
 141 static HRESULT WINAPI IWineD3DCubeTextureImpl_QueryInterface(IWineD3DCubeTexture *iface, REFIID riid, LPVOID *ppobj)
 142 {
 143     IWineD3DCubeTextureImpl *This = (IWineD3DCubeTextureImpl *)iface;
 144     TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppobj);
 145     if (IsEqualGUID(riid, &IID_IUnknown)
 146         || IsEqualGUID(riid, &IID_IWineD3DBase)
 147         || IsEqualGUID(riid, &IID_IWineD3DResource)
 148         || IsEqualGUID(riid, &IID_IWineD3DBaseTexture)
 149         || IsEqualGUID(riid, &IID_IWineD3DCubeTexture)) {
 150         IUnknown_AddRef(iface);
 151         *ppobj = This;
 152         return S_OK;
 153     }
 154     *ppobj = NULL;
 155     return E_NOINTERFACE;
 156 }
 157
 158 static ULONG WINAPI IWineD3DCubeTextureImpl_AddRef(IWineD3DCubeTexture *iface) {
 159     IWineD3DCubeTextureImpl *This = (IWineD3DCubeTextureImpl *)iface;
 160     TRACE("(%p) : AddRef increasing from %d\n", This, This->resource.ref);
 161     return InterlockedIncrement(&This->resource.ref);
 162 }
 163
 164 static ULONG WINAPI IWineD3DCubeTextureImpl_Release(IWineD3DCubeTexture *iface) {
 165     IWineD3DCubeTextureImpl *This = (IWineD3DCubeTextureImpl *)iface;
 166     ULONG ref;
 167     TRACE("(%p) : Releasing from %d\n", This, This->resource.ref);
 168     ref = InterlockedDecrement(&This->resource.ref);
 169     if (!ref)
 170     {
 171         cubetexture_cleanup(This);
 172         This->resource.parent_ops->wined3d_object_destroyed(This->resource.parent);
 173         HeapFree(GetProcessHeap(), 0, This);
 174     }
 175     return ref;
 176 }
 177
 178 /* ****************************************************
 179    IWineD3DCubeTexture IWineD3DResource parts follow
 180    **************************************************** */
 181 static HRESULT WINAPI IWineD3DCubeTextureImpl_SetPrivateData(IWineD3DCubeTexture *iface, REFGUID refguid, CONST void* pData, DWORD SizeOfData, DWORD Flags) {
 182     return resource_set_private_data((IWineD3DResource *)iface, refguid, pData, SizeOfData, Flags);
 183 }
 184
 185 static HRESULT WINAPI IWineD3DCubeTextureImpl_GetPrivateData(IWineD3DCubeTexture *iface, REFGUID refguid, void* pData, DWORD* pSizeOfData) {
 186     return resource_get_private_data((IWineD3DResource *)iface, refguid, pData, pSizeOfData);
 187 }
 188
 189 static HRESULT WINAPI IWineD3DCubeTextureImpl_FreePrivateData(IWineD3DCubeTexture *iface, REFGUID refguid) {
 190     return resource_free_private_data((IWineD3DResource *)iface, refguid);
 191 }
 192
 193 static DWORD WINAPI IWineD3DCubeTextureImpl_SetPriority(IWineD3DCubeTexture *iface, DWORD PriorityNew) {
 194     return resource_set_priority((IWineD3DResource *)iface, PriorityNew);
 195 }
 196
 197 static DWORD WINAPI IWineD3DCubeTextureImpl_GetPriority(IWineD3DCubeTexture *iface) {
 198     return resource_get_priority((IWineD3DResource *)iface);
 199 }
 200
 201 static void WINAPI IWineD3DCubeTextureImpl_PreLoad(IWineD3DCubeTexture *iface) {
 202     cubetexture_internal_preload((IWineD3DBaseTexture *) iface, SRGB_ANY);
 203 }
 204
 205 static void WINAPI IWineD3DCubeTextureImpl_UnLoad(IWineD3DCubeTexture *iface)
 206 {
 207     IWineD3DCubeTextureImpl *This = (IWineD3DCubeTextureImpl *)iface;
 208     UINT sub_count = This->baseTexture.level_count * This->baseTexture.layer_count;
 209     UINT i;
 210
 211     TRACE("iface %p.\n", iface);
 212
 213     /* Unload all the surfaces and reset the texture name. If UnLoad was called on the
 214      * surface before, this one will be a NOP and vice versa. Unloading an unloaded
 215      * surface is fine. */
 216
 217     for (i = 0; i < sub_count; ++i)
 218     {
 219         IWineD3DSurfaceImpl *surface = (IWineD3DSurfaceImpl *)This->baseTexture.sub_resources[i];
 220
 221         IWineD3DSurface_UnLoad((IWineD3DSurface *)surface);
 222         surface_set_texture_name(surface, 0, TRUE);
 223         surface_set_texture_name(surface, 0, FALSE);
 224     }
 225
 226     basetexture_unload((IWineD3DBaseTexture *)iface);
 227 }
 228
 229 static WINED3DRESOURCETYPE WINAPI IWineD3DCubeTextureImpl_GetType(IWineD3DCubeTexture *iface) {
 230     return resource_get_type((IWineD3DResource *)iface);
 231 }
 232
 233 static HRESULT WINAPI IWineD3DCubeTextureImpl_GetParent(IWineD3DCubeTexture *iface, IUnknown **pParent) {
 234     return resource_get_parent((IWineD3DResource *)iface, pParent);
 235 }
 236
 237 /* ******************************************************
 238    IWineD3DCubeTexture IWineD3DBaseTexture parts follow
 239    ****************************************************** */
 240 static DWORD WINAPI IWineD3DCubeTextureImpl_SetLOD(IWineD3DCubeTexture *iface, DWORD LODNew) {
 241     return basetexture_set_lod((IWineD3DBaseTexture *)iface, LODNew);
 242 }
 243
 244 static DWORD WINAPI IWineD3DCubeTextureImpl_GetLOD(IWineD3DCubeTexture *iface) {
 245     return basetexture_get_lod((IWineD3DBaseTexture *)iface);
 246 }
 247
 248 static DWORD WINAPI IWineD3DCubeTextureImpl_GetLevelCount(IWineD3DCubeTexture *iface) {
 249     return basetexture_get_level_count((IWineD3DBaseTexture *)iface);
 250 }
 251
 252 static HRESULT WINAPI IWineD3DCubeTextureImpl_SetAutoGenFilterType(IWineD3DCubeTexture *iface, WINED3DTEXTUREFILTERTYPE FilterType) {
 253   return basetexture_set_autogen_filter_type((IWineD3DBaseTexture *)iface, FilterType);
 254 }
 255
 256 static WINED3DTEXTUREFILTERTYPE WINAPI IWineD3DCubeTextureImpl_GetAutoGenFilterType(IWineD3DCubeTexture *iface) {
 257   return basetexture_get_autogen_filter_type((IWineD3DBaseTexture *)iface);
 258 }
 259
 260 static void WINAPI IWineD3DCubeTextureImpl_GenerateMipSubLevels(IWineD3DCubeTexture *iface) {
 261     basetexture_generate_mipmaps((IWineD3DBaseTexture *)iface);
 262 }
 263
 264 /* Internal function, No d3d mapping */
 265 static BOOL WINAPI IWineD3DCubeTextureImpl_SetDirty(IWineD3DCubeTexture *iface, BOOL dirty) {
 266     return basetexture_set_dirty((IWineD3DBaseTexture *)iface, dirty);
 267 }
 268
 269 /* Internal function, No d3d mapping */
 270 static BOOL WINAPI IWineD3DCubeTextureImpl_GetDirty(IWineD3DCubeTexture *iface) {
 271     return basetexture_get_dirty((IWineD3DBaseTexture *)iface);
 272 }
 273
 274 /* Context activation is done by the caller. */
 275 static HRESULT WINAPI IWineD3DCubeTextureImpl_BindTexture(IWineD3DCubeTexture *iface, BOOL srgb) {
 276     IWineD3DCubeTextureImpl *This = (IWineD3DCubeTextureImpl *)iface;
 277     BOOL set_gl_texture_desc;
 278     HRESULT hr;
 279
 280     TRACE("(%p) : relay to BaseTexture\n", This);
 281
 282     hr = basetexture_bind((IWineD3DBaseTexture *)iface, srgb, &set_gl_texture_desc);
 283     if (set_gl_texture_desc && SUCCEEDED(hr))
 284     {
 285         UINT sub_count = This->baseTexture.level_count * This->baseTexture.layer_count;
 286         UINT i;
 287
 288         for (i = 0; i < sub_count; ++i)
 289         {
 290             IWineD3DSurfaceImpl *surface = (IWineD3DSurfaceImpl *)This->baseTexture.sub_resources[i];
 291
 292             if (This->baseTexture.is_srgb)
 293                 surface_set_texture_name(surface, This->baseTexture.texture_srgb.name, TRUE);
 294             else
 295                 surface_set_texture_name(surface, This->baseTexture.texture_rgb.name, FALSE);
 296         }
 297     }
 298
 299     return hr;
 300 }
 301
 302 static UINT WINAPI IWineD3DCubeTextureImpl_GetTextureDimensions(IWineD3DCubeTexture *iface)
 303 {
 304     TRACE("iface %p.\n", iface);
 305
 306     return GL_TEXTURE_CUBE_MAP_ARB;
 307 }
 308
 309 static BOOL WINAPI IWineD3DCubeTextureImpl_IsCondNP2(IWineD3DCubeTexture *iface)
 310 {
 311     TRACE("iface %p.\n", iface);
 312
 313     return FALSE;
 314 }
 315
 316 /* *******************************************
 317    IWineD3DCubeTexture IWineD3DCubeTexture parts follow
 318    ******************************************* */
 319 static HRESULT WINAPI IWineD3DCubeTextureImpl_GetLevelDesc(IWineD3DCubeTexture *iface,
 320         UINT level, WINED3DSURFACE_DESC *desc)
 321 {
 322     IWineD3DBaseTextureImpl *texture = (IWineD3DBaseTextureImpl *)iface;
 323     IWineD3DSurface *surface;
 324
 325     TRACE("iface %p, level %u, desc %p.\n", iface, level, desc);
 326
 327     if (!(surface = (IWineD3DSurface *)basetexture_get_sub_resource(texture, 0, level)))
 328     {
 329         WARN("Failed to get sub-resource.\n");
 330         return WINED3DERR_INVALIDCALL;
 331     }
 332
 333     return IWineD3DSurface_GetDesc(surface, desc);
 334 }
 335
 336 static HRESULT WINAPI IWineD3DCubeTextureImpl_GetCubeMapSurface(IWineD3DCubeTexture *iface,
 337         WINED3DCUBEMAP_FACES face, UINT level, IWineD3DSurface **surface)
 338 {
 339     IWineD3DBaseTextureImpl *texture = (IWineD3DBaseTextureImpl *)iface;
 340     IWineD3DSurface *s;
 341
 342     TRACE("iface %p, face %u, level %u, surface %p.\n",
 343             iface, face, level, surface);
 344
 345     if (!(s = (IWineD3DSurface *)basetexture_get_sub_resource(texture, face, level)))
 346     {
 347         WARN("Failed to get sub-resource.\n");
 348         return WINED3DERR_INVALIDCALL;
 349     }
 350
 351     IWineD3DSurface_AddRef(s);
 352     *surface = s;
 353
 354     TRACE("Returning surface %p.\n", *surface);
 355
 356     return WINED3D_OK;
 357 }
 358
 359 static HRESULT WINAPI IWineD3DCubeTextureImpl_LockRect(IWineD3DCubeTexture *iface,
 360         WINED3DCUBEMAP_FACES face, UINT level, WINED3DLOCKED_RECT *locked_rect, const RECT *rect, DWORD flags)
 361 {
 362     IWineD3DBaseTextureImpl *texture = (IWineD3DBaseTextureImpl *)iface;
 363     IWineD3DSurface *surface;
 364
 365     TRACE("iface %p, face %u, level %u, locked_rect %p, rect %s, flags %#x.\n",
 366             iface, face, level, locked_rect, wine_dbgstr_rect(rect), flags);
 367
 368     if (!(surface = (IWineD3DSurface *)basetexture_get_sub_resource(texture, face, level)))
 369     {
 370         WARN("Failed to get sub-resource.\n");
 371         return WINED3DERR_INVALIDCALL;
 372     }
 373
 374     return IWineD3DSurface_LockRect(surface, locked_rect, rect, flags);
 375 }
 376
 377 static HRESULT WINAPI IWineD3DCubeTextureImpl_UnlockRect(IWineD3DCubeTexture *iface,
 378         WINED3DCUBEMAP_FACES face, UINT level)
 379 {
 380     IWineD3DBaseTextureImpl *texture = (IWineD3DBaseTextureImpl *)iface;
 381     IWineD3DSurface *surface;
 382
 383     TRACE("iface %p, face %u, level %u.\n",
 384             iface, face, level);
 385
 386     if (!(surface = (IWineD3DSurface *)basetexture_get_sub_resource(texture, face, level)))
 387     {
 388         WARN("Failed to get sub-resource.\n");
 389         return WINED3DERR_INVALIDCALL;
 390     }
 391
 392     return IWineD3DSurface_UnlockRect(surface);
 393 }
 394
 395 static HRESULT WINAPI IWineD3DCubeTextureImpl_AddDirtyRect(IWineD3DCubeTexture *iface,
 396         WINED3DCUBEMAP_FACES face, const RECT *dirty_rect)
 397 {
 398     IWineD3DBaseTextureImpl *texture = (IWineD3DBaseTextureImpl *)iface;
 399     IWineD3DSurfaceImpl *surface;
 400
 401     TRACE("iface %p, face %u, dirty_rect %s.\n",
 402             iface, face, wine_dbgstr_rect(dirty_rect));
 403
 404     if (!(surface = (IWineD3DSurfaceImpl *)basetexture_get_sub_resource(texture, face, 0)))
 405     {
 406         WARN("Failed to get sub-resource.\n");
 407         return WINED3DERR_INVALIDCALL;
 408     }
 409
 410     texture->baseTexture.texture_rgb.dirty = TRUE;
 411     texture->baseTexture.texture_srgb.dirty = TRUE;
 412     surface_add_dirty_rect(surface, dirty_rect);
 413
 414     return WINED3D_OK;
 415 }
 416
 417 static const IWineD3DCubeTextureVtbl IWineD3DCubeTexture_Vtbl =
 418 {
 419     /* IUnknown */
 420     IWineD3DCubeTextureImpl_QueryInterface,
 421     IWineD3DCubeTextureImpl_AddRef,
 422     IWineD3DCubeTextureImpl_Release,
 423     /* IWineD3DResource */
 424     IWineD3DCubeTextureImpl_GetParent,
 425     IWineD3DCubeTextureImpl_SetPrivateData,
 426     IWineD3DCubeTextureImpl_GetPrivateData,
 427     IWineD3DCubeTextureImpl_FreePrivateData,
 428     IWineD3DCubeTextureImpl_SetPriority,
 429     IWineD3DCubeTextureImpl_GetPriority,
 430     IWineD3DCubeTextureImpl_PreLoad,
 431     IWineD3DCubeTextureImpl_UnLoad,
 432     IWineD3DCubeTextureImpl_GetType,
 433     /* IWineD3DBaseTexture */
 434     IWineD3DCubeTextureImpl_SetLOD,
 435     IWineD3DCubeTextureImpl_GetLOD,
 436     IWineD3DCubeTextureImpl_GetLevelCount,
 437     IWineD3DCubeTextureImpl_SetAutoGenFilterType,
 438     IWineD3DCubeTextureImpl_GetAutoGenFilterType,
 439     IWineD3DCubeTextureImpl_GenerateMipSubLevels,
 440     IWineD3DCubeTextureImpl_SetDirty,
 441     IWineD3DCubeTextureImpl_GetDirty,
 442     IWineD3DCubeTextureImpl_BindTexture,
 443     IWineD3DCubeTextureImpl_GetTextureDimensions,
 444     IWineD3DCubeTextureImpl_IsCondNP2,
 445     /* IWineD3DCubeTexture */
 446     IWineD3DCubeTextureImpl_GetLevelDesc,
 447     IWineD3DCubeTextureImpl_GetCubeMapSurface,
 448     IWineD3DCubeTextureImpl_LockRect,
 449     IWineD3DCubeTextureImpl_UnlockRect,
 450     IWineD3DCubeTextureImpl_AddDirtyRect
 451 };
 452
 453 HRESULT cubetexture_init(IWineD3DCubeTextureImpl *texture, UINT edge_length, UINT levels,
 454         IWineD3DDeviceImpl *device, DWORD usage, WINED3DFORMAT format, WINED3DPOOL pool,
 455         IUnknown *parent, const struct wined3d_parent_ops *parent_ops)
 456 {
 457     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 458     const struct wined3d_format_desc *format_desc = getFormatDescEntry(format, gl_info);
 459     UINT pow2_edge_length;
 460     unsigned int i, j;
 461     UINT tmp_w;
 462     HRESULT hr;
 463
 464     /* TODO: It should only be possible to create textures for formats
 465      * that are reported as supported. */
 466     if (WINED3DFMT_UNKNOWN >= format)
 467     {
 468         WARN("(%p) : Texture cannot be created with a format of WINED3DFMT_UNKNOWN.\n", texture);
 469         return WINED3DERR_INVALIDCALL;
 470     }
 471
 472     if (!gl_info->supported[ARB_TEXTURE_CUBE_MAP] && pool != WINED3DPOOL_SCRATCH)
 473     {
 474         WARN("(%p) : Tried to create not supported cube texture.\n", texture);
 475         return WINED3DERR_INVALIDCALL;
 476     }
 477
 478     /* Calculate levels for mip mapping */
 479     if (usage & WINED3DUSAGE_AUTOGENMIPMAP)
 480     {
 481         if (!gl_info->supported[SGIS_GENERATE_MIPMAP])
 482         {
 483             WARN("No mipmap generation support, returning D3DERR_INVALIDCALL.\n");
 484             return WINED3DERR_INVALIDCALL;
 485         }
 486
 487         if (levels > 1)
 488         {
 489             WARN("D3DUSAGE_AUTOGENMIPMAP is set, and level count > 1, returning D3DERR_INVALIDCALL.\n");
 490             return WINED3DERR_INVALIDCALL;
 491         }
 492
 493         levels = 1;
 494     }
 495     else if (!levels)
 496     {
 497         levels = wined3d_log2i(edge_length) + 1;
 498         TRACE("Calculated levels = %u.\n", levels);
 499     }
 500
 501     texture->lpVtbl = &IWineD3DCubeTexture_Vtbl;
 502
 503     hr = basetexture_init((IWineD3DBaseTextureImpl *)texture, 6, levels,
 504             WINED3DRTYPE_CUBETEXTURE, device, 0, usage, format_desc, pool, parent, parent_ops);
 505     if (FAILED(hr))
 506     {
 507         WARN("Failed to initialize basetexture, returning %#x\n", hr);
 508         return hr;
 509     }
 510
 511     /* Find the nearest pow2 match. */
 512     pow2_edge_length = 1;
 513     while (pow2_edge_length < edge_length) pow2_edge_length <<= 1;
 514
 515     if (gl_info->supported[ARB_TEXTURE_NON_POWER_OF_TWO] || (edge_length == pow2_edge_length))
 516     {
 517         /* Precalculated scaling for 'faked' non power of two texture coords. */
 518         texture->baseTexture.pow2Matrix[0] = 1.0f;
 519         texture->baseTexture.pow2Matrix[5] = 1.0f;
 520         texture->baseTexture.pow2Matrix[10] = 1.0f;
 521         texture->baseTexture.pow2Matrix[15] = 1.0f;
 522     }
 523     else
 524     {
 525         /* Precalculated scaling for 'faked' non power of two texture coords. */
 526         texture->baseTexture.pow2Matrix[0] = ((float)edge_length) / ((float)pow2_edge_length);
 527         texture->baseTexture.pow2Matrix[5] = ((float)edge_length) / ((float)pow2_edge_length);
 528         texture->baseTexture.pow2Matrix[10] = ((float)edge_length) / ((float)pow2_edge_length);
 529         texture->baseTexture.pow2Matrix[15] = 1.0f;
 530         texture->baseTexture.pow2Matrix_identity = FALSE;
 531     }
 532
 533     /* Generate all the surfaces. */
 534     tmp_w = edge_length;
 535     for (i = 0; i < texture->baseTexture.level_count; ++i)
 536     {
 537         /* Create the 6 faces. */
 538         for (j = 0; j < 6; ++j)
 539         {
 540             static const GLenum cube_targets[6] =
 541             {
 542                 GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB,
 543                 GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB,
 544                 GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB,
 545                 GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB,
 546                 GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB,
 547                 GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB,
 548             };
 549             UINT idx = j * texture->baseTexture.level_count + i;
 550             IWineD3DSurface *surface;
 551
 552             hr = IWineD3DDeviceParent_CreateSurface(device->device_parent, parent, tmp_w, tmp_w,
 553                     format, usage, pool, i /* Level */, j, &surface);
 554             if (FAILED(hr))
 555             {
 556                 FIXME("(%p) Failed to create surface, hr %#x.\n", texture, hr);
 557                 cubetexture_cleanup(texture);
 558                 return hr;
 559             }
 560
 561             IWineD3DSurface_SetContainer(surface, (IWineD3DBase *)texture);
 562             surface_set_texture_target((IWineD3DSurfaceImpl *)surface, cube_targets[j]);
 563             texture->baseTexture.sub_resources[idx] = (IWineD3DResourceImpl *)surface;
 564             TRACE("Created surface level %u @ %p.\n", i, surface);
 565         }
 566         tmp_w = max(1, tmp_w >> 1);
 567     }
 568     texture->baseTexture.internal_preload = cubetexture_internal_preload;
 569
 570     return WINED3D_OK;
 571 }