dll/directx/wine/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 /* 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, REFGUID refguid, CONST void* pData, DWORD SizeOfData, DWORD Flags) {
 184     return resource_set_private_data((IWineD3DResource *)iface, refguid, pData, SizeOfData, Flags);
 185 }
 186
 187 static HRESULT WINAPI IWineD3DCubeTextureImpl_GetPrivateData(IWineD3DCubeTexture *iface, REFGUID refguid, void* pData, DWORD* pSizeOfData) {
 188     return resource_get_private_data((IWineD3DResource *)iface, refguid, pData, pSizeOfData);
 189 }
 190
 191 static HRESULT WINAPI IWineD3DCubeTextureImpl_FreePrivateData(IWineD3DCubeTexture *iface, REFGUID refguid) {
 192     return resource_free_private_data((IWineD3DResource *)iface, refguid);
 193 }
 194
 195 static DWORD WINAPI IWineD3DCubeTextureImpl_SetPriority(IWineD3DCubeTexture *iface, DWORD PriorityNew) {
 196     return resource_set_priority((IWineD3DResource *)iface, PriorityNew);
 197 }
 198
 199 static DWORD WINAPI IWineD3DCubeTextureImpl_GetPriority(IWineD3DCubeTexture *iface) {
 200     return resource_get_priority((IWineD3DResource *)iface);
 201 }
 202
 203 /* Do not call while under the GL lock. */
 204 static void WINAPI IWineD3DCubeTextureImpl_PreLoad(IWineD3DCubeTexture *iface) {
 205     cubetexture_internal_preload((IWineD3DBaseTexture *) iface, SRGB_ANY);
 206 }
 207
 208 /* Do not call while under the GL lock. */
 209 static void WINAPI IWineD3DCubeTextureImpl_UnLoad(IWineD3DCubeTexture *iface)
 210 {
 211     IWineD3DCubeTextureImpl *This = (IWineD3DCubeTextureImpl *)iface;
 212     UINT sub_count = This->baseTexture.level_count * This->baseTexture.layer_count;
 213     UINT i;
 214
 215     TRACE("iface %p.\n", iface);
 216
 217     /* Unload all the surfaces and reset the texture name. If UnLoad was called on the
 218      * surface before, this one will be a NOP and vice versa. Unloading an unloaded
 219      * surface is fine. */
 220
 221     for (i = 0; i < sub_count; ++i)
 222     {
 223         IWineD3DSurfaceImpl *surface = (IWineD3DSurfaceImpl *)This->baseTexture.sub_resources[i];
 224
 225         IWineD3DSurface_UnLoad((IWineD3DSurface *)surface);
 226         surface_set_texture_name(surface, 0, TRUE);
 227         surface_set_texture_name(surface, 0, FALSE);
 228     }
 229
 230     basetexture_unload((IWineD3DBaseTexture *)iface);
 231 }
 232
 233 static WINED3DRESOURCETYPE WINAPI IWineD3DCubeTextureImpl_GetType(IWineD3DCubeTexture *iface) {
 234     return resource_get_type((IWineD3DResource *)iface);
 235 }
 236
 237 static void * WINAPI IWineD3DCubeTextureImpl_GetParent(IWineD3DCubeTexture *iface)
 238 {
 239     TRACE("iface %p.\n", iface);
 240
 241     return ((IWineD3DCubeTextureImpl *)iface)->resource.parent;
 242 }
 243
 244 /* ******************************************************
 245    IWineD3DCubeTexture IWineD3DBaseTexture parts follow
 246    ****************************************************** */
 247 static DWORD WINAPI IWineD3DCubeTextureImpl_SetLOD(IWineD3DCubeTexture *iface, DWORD LODNew) {
 248     return basetexture_set_lod((IWineD3DBaseTexture *)iface, LODNew);
 249 }
 250
 251 static DWORD WINAPI IWineD3DCubeTextureImpl_GetLOD(IWineD3DCubeTexture *iface) {
 252     return basetexture_get_lod((IWineD3DBaseTexture *)iface);
 253 }
 254
 255 static DWORD WINAPI IWineD3DCubeTextureImpl_GetLevelCount(IWineD3DCubeTexture *iface) {
 256     return basetexture_get_level_count((IWineD3DBaseTexture *)iface);
 257 }
 258
 259 static HRESULT WINAPI IWineD3DCubeTextureImpl_SetAutoGenFilterType(IWineD3DCubeTexture *iface, WINED3DTEXTUREFILTERTYPE FilterType) {
 260   return basetexture_set_autogen_filter_type((IWineD3DBaseTexture *)iface, FilterType);
 261 }
 262
 263 static WINED3DTEXTUREFILTERTYPE WINAPI IWineD3DCubeTextureImpl_GetAutoGenFilterType(IWineD3DCubeTexture *iface) {
 264   return basetexture_get_autogen_filter_type((IWineD3DBaseTexture *)iface);
 265 }
 266
 267 static void WINAPI IWineD3DCubeTextureImpl_GenerateMipSubLevels(IWineD3DCubeTexture *iface) {
 268     basetexture_generate_mipmaps((IWineD3DBaseTexture *)iface);
 269 }
 270
 271 /* Internal function, No d3d mapping */
 272 static BOOL WINAPI IWineD3DCubeTextureImpl_SetDirty(IWineD3DCubeTexture *iface, BOOL dirty) {
 273     return basetexture_set_dirty((IWineD3DBaseTexture *)iface, dirty);
 274 }
 275
 276 /* Internal function, No d3d mapping */
 277 static BOOL WINAPI IWineD3DCubeTextureImpl_GetDirty(IWineD3DCubeTexture *iface) {
 278     return basetexture_get_dirty((IWineD3DBaseTexture *)iface);
 279 }
 280
 281 /* Context activation is done by the caller. */
 282 static HRESULT WINAPI IWineD3DCubeTextureImpl_BindTexture(IWineD3DCubeTexture *iface, BOOL srgb) {
 283     IWineD3DCubeTextureImpl *This = (IWineD3DCubeTextureImpl *)iface;
 284     BOOL set_gl_texture_desc;
 285     HRESULT hr;
 286
 287     TRACE("(%p) : relay to BaseTexture\n", This);
 288
 289     hr = basetexture_bind((IWineD3DBaseTexture *)iface, srgb, &set_gl_texture_desc);
 290     if (set_gl_texture_desc && SUCCEEDED(hr))
 291     {
 292         UINT sub_count = This->baseTexture.level_count * This->baseTexture.layer_count;
 293         UINT i;
 294
 295         for (i = 0; i < sub_count; ++i)
 296         {
 297             IWineD3DSurfaceImpl *surface = (IWineD3DSurfaceImpl *)This->baseTexture.sub_resources[i];
 298
 299             if (This->baseTexture.is_srgb)
 300                 surface_set_texture_name(surface, This->baseTexture.texture_srgb.name, TRUE);
 301             else
 302                 surface_set_texture_name(surface, This->baseTexture.texture_rgb.name, FALSE);
 303         }
 304     }
 305
 306     return hr;
 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     IWineD3DSurface_GetDesc(surface, desc);
 334
 335     return WINED3D_OK;
 336 }
 337
 338 static HRESULT WINAPI IWineD3DCubeTextureImpl_GetCubeMapSurface(IWineD3DCubeTexture *iface,
 339         WINED3DCUBEMAP_FACES face, UINT level, IWineD3DSurface **surface)
 340 {
 341     IWineD3DBaseTextureImpl *texture = (IWineD3DBaseTextureImpl *)iface;
 342     IWineD3DSurface *s;
 343
 344     TRACE("iface %p, face %u, level %u, surface %p.\n",
 345             iface, face, level, surface);
 346
 347     if (!(s = (IWineD3DSurface *)basetexture_get_sub_resource(texture, face, level)))
 348     {
 349         WARN("Failed to get sub-resource.\n");
 350         return WINED3DERR_INVALIDCALL;
 351     }
 352
 353     IWineD3DSurface_AddRef(s);
 354     *surface = s;
 355
 356     TRACE("Returning surface %p.\n", *surface);
 357
 358     return WINED3D_OK;
 359 }
 360
 361 static HRESULT WINAPI IWineD3DCubeTextureImpl_LockRect(IWineD3DCubeTexture *iface,
 362         WINED3DCUBEMAP_FACES face, UINT level, WINED3DLOCKED_RECT *locked_rect, const RECT *rect, DWORD flags)
 363 {
 364     IWineD3DBaseTextureImpl *texture = (IWineD3DBaseTextureImpl *)iface;
 365     IWineD3DSurface *surface;
 366
 367     TRACE("iface %p, face %u, level %u, locked_rect %p, rect %s, flags %#x.\n",
 368             iface, face, level, locked_rect, wine_dbgstr_rect(rect), flags);
 369
 370     if (!(surface = (IWineD3DSurface *)basetexture_get_sub_resource(texture, face, level)))
 371     {
 372         WARN("Failed to get sub-resource.\n");
 373         return WINED3DERR_INVALIDCALL;
 374     }
 375
 376     return IWineD3DSurface_LockRect(surface, locked_rect, rect, flags);
 377 }
 378
 379 static HRESULT WINAPI IWineD3DCubeTextureImpl_UnlockRect(IWineD3DCubeTexture *iface,
 380         WINED3DCUBEMAP_FACES face, UINT level)
 381 {
 382     IWineD3DBaseTextureImpl *texture = (IWineD3DBaseTextureImpl *)iface;
 383     IWineD3DSurface *surface;
 384
 385     TRACE("iface %p, face %u, level %u.\n",
 386             iface, face, level);
 387
 388     if (!(surface = (IWineD3DSurface *)basetexture_get_sub_resource(texture, face, level)))
 389     {
 390         WARN("Failed to get sub-resource.\n");
 391         return WINED3DERR_INVALIDCALL;
 392     }
 393
 394     return IWineD3DSurface_UnlockRect(surface);
 395 }
 396
 397 static HRESULT WINAPI IWineD3DCubeTextureImpl_AddDirtyRect(IWineD3DCubeTexture *iface,
 398         WINED3DCUBEMAP_FACES face, const RECT *dirty_rect)
 399 {
 400     IWineD3DBaseTextureImpl *texture = (IWineD3DBaseTextureImpl *)iface;
 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, face, 0)))
 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_LockRect,
 450     IWineD3DCubeTextureImpl_UnlockRect,
 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, 0, 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 }