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

   1 /*
   2  * IWineD3DBaseTexture Implementation
   3  *
   4  * Copyright 2002-2004 Jason Edmeades
   5  * Copyright 2002-2004 Raphael Junqueira
   6  * Copyright 2005 Oliver Stieber
   7  * Copyright 2007-2008 Stefan Dösinger for CodeWeavers
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #include "config.h"
  25 #include "wined3d_private.h"
  26
  27 WINE_DEFAULT_DEBUG_CHANNEL(d3d_texture);
  28 #define GLINFO_LOCATION This->resource.wineD3DDevice->adapter->gl_info
  29
  30 void basetexture_init(struct IWineD3DBaseTextureClass *texture, UINT levels, DWORD usage)
  31 {
  32     texture->levels = levels;
  33     texture->filterType = (usage & WINED3DUSAGE_AUTOGENMIPMAP) ? WINED3DTEXF_LINEAR : WINED3DTEXF_NONE;
  34     texture->LOD = 0;
  35     texture->dirty = TRUE;
  36     texture->srgbDirty = TRUE;
  37     texture->is_srgb = FALSE;
  38     texture->pow2Matrix_identity = TRUE;
  39 }
  40
  41 void basetexture_cleanup(IWineD3DBaseTexture *iface)
  42 {
  43     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
  44     IWineD3DDeviceImpl *device = This->resource.wineD3DDevice;
  45
  46     TRACE("(%p) : textureName(%d)\n", This, This->baseTexture.textureName);
  47     if (This->baseTexture.textureName != 0) {
  48         ActivateContext(device, device->lastActiveRenderTarget, CTXUSAGE_RESOURCELOAD);
  49         ENTER_GL();
  50         TRACE("(%p) : Deleting texture %d\n", This, This->baseTexture.textureName);
  51         glDeleteTextures(1, &This->baseTexture.textureName);
  52         glDeleteTextures(1, &This->baseTexture.srgbTextureName);
  53         LEAVE_GL();
  54     }
  55
  56     resource_cleanup((IWineD3DResource *)iface);
  57 }
  58
  59 void basetexture_unload(IWineD3DBaseTexture *iface)
  60 {
  61     IWineD3DTextureImpl *This = (IWineD3DTextureImpl *)iface;
  62     IWineD3DDeviceImpl *device = This->resource.wineD3DDevice;
  63
  64     if(This->baseTexture.textureName) {
  65         ActivateContext(device, device->lastActiveRenderTarget, CTXUSAGE_RESOURCELOAD);
  66         ENTER_GL();
  67         glDeleteTextures(1, &This->baseTexture.textureName);
  68         glDeleteTextures(1, &This->baseTexture.srgbTextureName);
  69         This->baseTexture.textureName = 0;
  70         This->baseTexture.srgbTextureName = 0;
  71         LEAVE_GL();
  72     }
  73     This->baseTexture.dirty = TRUE;
  74     This->baseTexture.srgbDirty = TRUE;
  75 }
  76
  77 /* There is no OpenGL equivalent of setLOD, getLOD. All they do anyway is prioritize texture loading
  78  * so just pretend that they work unless something really needs a failure. */
  79 DWORD basetexture_set_lod(IWineD3DBaseTexture *iface, DWORD LODNew)
  80 {
  81     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
  82
  83     if (This->resource.pool != WINED3DPOOL_MANAGED) {
  84         return  WINED3DERR_INVALIDCALL;
  85     }
  86
  87     if(LODNew >= This->baseTexture.levels)
  88         LODNew = This->baseTexture.levels - 1;
  89      This->baseTexture.LOD = LODNew;
  90
  91     TRACE("(%p) : set bogus LOD to %d\n", This, This->baseTexture.LOD);
  92
  93     return This->baseTexture.LOD;
  94 }
  95
  96 DWORD basetexture_get_lod(IWineD3DBaseTexture *iface)
  97 {
  98     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
  99
 100     if (This->resource.pool != WINED3DPOOL_MANAGED) {
 101         return  WINED3DERR_INVALIDCALL;
 102     }
 103
 104     TRACE("(%p) : returning %d\n", This, This->baseTexture.LOD);
 105
 106     return This->baseTexture.LOD;
 107 }
 108
 109 DWORD basetexture_get_level_count(IWineD3DBaseTexture *iface)
 110 {
 111     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 112     TRACE("(%p) : returning %d\n", This, This->baseTexture.levels);
 113     return This->baseTexture.levels;
 114 }
 115
 116 HRESULT basetexture_set_autogen_filter_type(IWineD3DBaseTexture *iface, WINED3DTEXTUREFILTERTYPE FilterType)
 117 {
 118   IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 119   IWineD3DDeviceImpl *device = This->resource.wineD3DDevice;
 120   UINT textureDimensions = IWineD3DBaseTexture_GetTextureDimensions(iface);
 121
 122   if (!(This->resource.usage & WINED3DUSAGE_AUTOGENMIPMAP)) {
 123       TRACE("(%p) : returning invalid call\n", This);
 124       return WINED3DERR_INVALIDCALL;
 125   }
 126   if(This->baseTexture.filterType != FilterType) {
 127       /* What about multithreading? Do we want all the context overhead just to set this value?
 128        * Or should we delay the applying until the texture is used for drawing? For now, apply
 129        * immediately.
 130        */
 131       ActivateContext(device, device->lastActiveRenderTarget, CTXUSAGE_RESOURCELOAD);
 132       ENTER_GL();
 133       glBindTexture(textureDimensions, This->baseTexture.textureName);
 134       checkGLcall("glBindTexture");
 135       switch(FilterType) {
 136           case WINED3DTEXF_NONE:
 137           case WINED3DTEXF_POINT:
 138               glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_FASTEST);
 139               checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_FASTEST)");
 140
 141               break;
 142           case WINED3DTEXF_LINEAR:
 143               glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST);
 144               checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST)");
 145
 146               break;
 147           default:
 148               WARN("Unexpected filter type %d, setting to GL_NICEST\n", FilterType);
 149               glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST);
 150               checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST)");
 151       }
 152       LEAVE_GL();
 153   }
 154   This->baseTexture.filterType = FilterType;
 155   TRACE("(%p) :\n", This);
 156   return WINED3D_OK;
 157 }
 158
 159 WINED3DTEXTUREFILTERTYPE basetexture_get_autogen_filter_type(IWineD3DBaseTexture *iface)
 160 {
 161   IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 162   FIXME("(%p) : stub\n", This);
 163   if (!(This->resource.usage & WINED3DUSAGE_AUTOGENMIPMAP)) {
 164      return WINED3DTEXF_NONE;
 165   }
 166   return This->baseTexture.filterType;
 167 }
 168
 169 void basetexture_generate_mipmaps(IWineD3DBaseTexture *iface)
 170 {
 171   IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 172   /* TODO: implement filters using GL_SGI_generate_mipmaps http://oss.sgi.com/projects/ogl-sample/registry/SGIS/generate_mipmap.txt */
 173   FIXME("(%p) : stub\n", This);
 174   return ;
 175 }
 176
 177 BOOL basetexture_set_dirty(IWineD3DBaseTexture *iface, BOOL dirty)
 178 {
 179     BOOL old;
 180     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 181     old = This->baseTexture.dirty || This->baseTexture.srgbDirty;
 182     This->baseTexture.dirty = dirty;
 183     This->baseTexture.srgbDirty = dirty;
 184     return old;
 185 }
 186
 187 BOOL basetexture_get_dirty(IWineD3DBaseTexture *iface)
 188 {
 189     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 190     return This->baseTexture.dirty || This->baseTexture.srgbDirty;
 191 }
 192
 193 HRESULT basetexture_bind(IWineD3DBaseTexture *iface, BOOL srgb, BOOL *set_surface_desc)
 194 {
 195     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 196     HRESULT hr = WINED3D_OK;
 197     UINT textureDimensions;
 198     BOOL isNewTexture = FALSE;
 199     GLuint *texture;
 200     DWORD *states;
 201     TRACE("(%p) : About to bind texture\n", This);
 202
 203     This->baseTexture.is_srgb = srgb; /* SRGB mode cache for PreLoad calls outside drawprim */
 204     if(srgb) {
 205         texture = &This->baseTexture.srgbTextureName;
 206         states = This->baseTexture.srgbstates;
 207     } else {
 208         texture = &This->baseTexture.textureName;
 209         states = This->baseTexture.states;
 210     }
 211
 212     textureDimensions = IWineD3DBaseTexture_GetTextureDimensions(iface);
 213     ENTER_GL();
 214     /* Generate a texture name if we don't already have one */
 215     if (*texture == 0) {
 216         *set_surface_desc = TRUE;
 217         glGenTextures(1, texture);
 218         checkGLcall("glGenTextures");
 219         TRACE("Generated texture %d\n", *texture);
 220         if (This->resource.pool == WINED3DPOOL_DEFAULT) {
 221             /* Tell opengl to try and keep this texture in video ram (well mostly) */
 222             GLclampf tmp;
 223             tmp = 0.9f;
 224             glPrioritizeTextures(1, texture, &tmp);
 225
 226         }
 227         /* Initialise the state of the texture object
 228         to the openGL defaults, not the directx defaults */
 229         states[WINED3DTEXSTA_ADDRESSU]      = WINED3DTADDRESS_WRAP;
 230         states[WINED3DTEXSTA_ADDRESSV]      = WINED3DTADDRESS_WRAP;
 231         states[WINED3DTEXSTA_ADDRESSW]      = WINED3DTADDRESS_WRAP;
 232         states[WINED3DTEXSTA_BORDERCOLOR]   = 0;
 233         states[WINED3DTEXSTA_MAGFILTER]     = WINED3DTEXF_LINEAR;
 234         states[WINED3DTEXSTA_MINFILTER]     = WINED3DTEXF_POINT; /* GL_NEAREST_MIPMAP_LINEAR */
 235         states[WINED3DTEXSTA_MIPFILTER]     = WINED3DTEXF_LINEAR; /* GL_NEAREST_MIPMAP_LINEAR */
 236         states[WINED3DTEXSTA_MAXMIPLEVEL]   = 0;
 237         states[WINED3DTEXSTA_MAXANISOTROPY] = 0;
 238         states[WINED3DTEXSTA_SRGBTEXTURE]   = 0;
 239         states[WINED3DTEXSTA_ELEMENTINDEX]  = 0;
 240         states[WINED3DTEXSTA_DMAPOFFSET]    = 0;
 241         states[WINED3DTEXSTA_TSSADDRESSW]   = WINED3DTADDRESS_WRAP;
 242         IWineD3DBaseTexture_SetDirty(iface, TRUE);
 243         isNewTexture = TRUE;
 244
 245         if(This->resource.usage & WINED3DUSAGE_AUTOGENMIPMAP) {
 246             /* This means double binding the texture at creation, but keeps the code simpler all
 247              * in all, and the run-time path free from additional checks
 248              */
 249             glBindTexture(textureDimensions, *texture);
 250             checkGLcall("glBindTexture");
 251             glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_SGIS, GL_TRUE);
 252             checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_SGIS, GL_TRUE)");
 253         }
 254     } else {
 255         *set_surface_desc = FALSE;
 256     }
 257
 258     /* Bind the texture */
 259     if (*texture != 0) {
 260         glBindTexture(textureDimensions, *texture);
 261         checkGLcall("glBindTexture");
 262         if (isNewTexture) {
 263             /* For a new texture we have to set the textures levels after binding the texture.
 264              * In theory this is all we should ever have to do, but because ATI's drivers are broken, we
 265              * also need to set the texture dimensions before the texture is set
 266              * Beware that texture rectangles do not support mipmapping, but set the maxmiplevel if we're
 267              * relying on the partial GL_ARB_texture_non_power_of_two emulation with texture rectangles
 268              * (ie, do not care for cond_np2 here, just look for GL_TEXTURE_RECTANGLE_ARB)
 269              */
 270             if(textureDimensions != GL_TEXTURE_RECTANGLE_ARB) {
 271                 TRACE("Setting GL_TEXTURE_MAX_LEVEL to %d\n", This->baseTexture.levels - 1);
 272                 glTexParameteri(textureDimensions, GL_TEXTURE_MAX_LEVEL, This->baseTexture.levels - 1);
 273                 checkGLcall("glTexParameteri(textureDimensions, GL_TEXTURE_MAX_LEVEL, This->baseTexture.levels)");
 274             }
 275             if(textureDimensions==GL_TEXTURE_CUBE_MAP_ARB) {
 276                 /* Cubemaps are always set to clamp, regardless of the sampler state. */
 277                 glTexParameteri(textureDimensions, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
 278                 glTexParameteri(textureDimensions, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 279                 glTexParameteri(textureDimensions, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
 280             }
 281         }
 282     } else { /* this only happened if we've run out of openGL textures */
 283         WARN("This texture doesn't have an openGL texture assigned to it\n");
 284         hr =  WINED3DERR_INVALIDCALL;
 285     }
 286
 287     LEAVE_GL();
 288     return hr;
 289 }
 290
 291 static inline void apply_wrap(const GLint textureDimensions, const DWORD state, const GLint type,
 292                               BOOL cond_np2) {
 293     GLint wrapParm;
 294
 295     if (state < minLookup[WINELOOKUP_WARPPARAM] || state > maxLookup[WINELOOKUP_WARPPARAM]) {
 296         FIXME("Unrecognized or unsupported WINED3DTADDRESS_U value %d\n", state);
 297     } else {
 298         if(textureDimensions==GL_TEXTURE_CUBE_MAP_ARB) {
 299             /* Cubemaps are always set to clamp, regardless of the sampler state. */
 300             wrapParm = GL_CLAMP_TO_EDGE;
 301         } else if(cond_np2) {
 302             if(state == WINED3DTADDRESS_WRAP) {
 303                 wrapParm = GL_CLAMP_TO_EDGE;
 304             } else {
 305                 wrapParm = stateLookup[WINELOOKUP_WARPPARAM][state - minLookup[WINELOOKUP_WARPPARAM]];
 306             }
 307         } else {
 308             wrapParm = stateLookup[WINELOOKUP_WARPPARAM][state - minLookup[WINELOOKUP_WARPPARAM]];
 309         }
 310         TRACE("Setting WRAP_S to %d for %x\n", wrapParm, textureDimensions);
 311         glTexParameteri(textureDimensions, type, wrapParm);
 312         checkGLcall("glTexParameteri(..., type, wrapParm)");
 313     }
 314 }
 315
 316 void basetexture_apply_state_changes(IWineD3DBaseTexture *iface,
 317         const DWORD textureStates[WINED3D_HIGHEST_TEXTURE_STATE + 1],
 318         const DWORD samplerStates[WINED3D_HIGHEST_SAMPLER_STATE + 1])
 319 {
 320     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 321     DWORD state, *states;
 322     GLint textureDimensions = IWineD3DBaseTexture_GetTextureDimensions(iface);
 323     BOOL cond_np2 = IWineD3DBaseTexture_IsCondNP2(iface);
 324
 325     if(This->baseTexture.is_srgb) {
 326         states = This->baseTexture.srgbstates;
 327     } else {
 328         states = This->baseTexture.states;
 329     }
 330
 331     /* ApplyStateChanges relies on the correct texture being bound and loaded. */
 332
 333     if(samplerStates[WINED3DSAMP_ADDRESSU]      != states[WINED3DTEXSTA_ADDRESSU]) {
 334         state = samplerStates[WINED3DSAMP_ADDRESSU];
 335         apply_wrap(textureDimensions, state, GL_TEXTURE_WRAP_S, cond_np2);
 336         states[WINED3DTEXSTA_ADDRESSU] = state;
 337     }
 338
 339     if(samplerStates[WINED3DSAMP_ADDRESSV]      != states[WINED3DTEXSTA_ADDRESSV]) {
 340         state = samplerStates[WINED3DSAMP_ADDRESSV];
 341         apply_wrap(textureDimensions, state, GL_TEXTURE_WRAP_T, cond_np2);
 342         states[WINED3DTEXSTA_ADDRESSV] = state;
 343     }
 344
 345     if(samplerStates[WINED3DSAMP_ADDRESSW]      != states[WINED3DTEXSTA_ADDRESSW]) {
 346         state = samplerStates[WINED3DSAMP_ADDRESSW];
 347         apply_wrap(textureDimensions, state, GL_TEXTURE_WRAP_R, cond_np2);
 348         states[WINED3DTEXSTA_ADDRESSW] = state;
 349     }
 350
 351     if(samplerStates[WINED3DSAMP_BORDERCOLOR]   != states[WINED3DTEXSTA_BORDERCOLOR]) {
 352         float col[4];
 353
 354         state = samplerStates[WINED3DSAMP_BORDERCOLOR];
 355         D3DCOLORTOGLFLOAT4(state, col);
 356         TRACE("Setting border color for %u to %x\n", textureDimensions, state);
 357         glTexParameterfv(textureDimensions, GL_TEXTURE_BORDER_COLOR, &col[0]);
 358         checkGLcall("glTexParameteri(..., GL_TEXTURE_BORDER_COLOR, ...)");
 359         states[WINED3DTEXSTA_BORDERCOLOR] = state;
 360     }
 361
 362     if(samplerStates[WINED3DSAMP_MAGFILTER]     != states[WINED3DTEXSTA_MAGFILTER]) {
 363         GLint glValue;
 364         state = samplerStates[WINED3DSAMP_MAGFILTER];
 365         if (state > WINED3DTEXF_ANISOTROPIC) {
 366             FIXME("Unrecognized or unsupported MAGFILTER* value %d\n", state);
 367         } else {
 368             glValue = This->baseTexture.magLookup[state - WINED3DTEXF_NONE];
 369             TRACE("ValueMAG=%d setting MAGFILTER to %x\n", state, glValue);
 370             glTexParameteri(textureDimensions, GL_TEXTURE_MAG_FILTER, glValue);
 371             /* We need to reset the Anisotropic filtering state when we change the mag filter to WINED3DTEXF_ANISOTROPIC (this seems a bit weird, check the documentation to see how it should be switched off. */
 372             if (GL_SUPPORT(EXT_TEXTURE_FILTER_ANISOTROPIC) && WINED3DTEXF_ANISOTROPIC == state &&
 373                 !cond_np2) {
 374                 glTexParameteri(textureDimensions, GL_TEXTURE_MAX_ANISOTROPY_EXT, samplerStates[WINED3DSAMP_MAXANISOTROPY]);
 375             }
 376             states[WINED3DTEXSTA_MAGFILTER] = state;
 377         }
 378     }
 379
 380     if((samplerStates[WINED3DSAMP_MINFILTER]     != states[WINED3DTEXSTA_MINFILTER] ||
 381         samplerStates[WINED3DSAMP_MIPFILTER]     != states[WINED3DTEXSTA_MIPFILTER] ||
 382         samplerStates[WINED3DSAMP_MAXMIPLEVEL]   != states[WINED3DTEXSTA_MAXMIPLEVEL])) {
 383         GLint glValue;
 384
 385         states[WINED3DTEXSTA_MIPFILTER] = samplerStates[WINED3DSAMP_MIPFILTER];
 386         states[WINED3DTEXSTA_MINFILTER] = samplerStates[WINED3DSAMP_MINFILTER];
 387         states[WINED3DTEXSTA_MAXMIPLEVEL] = samplerStates[WINED3DSAMP_MAXMIPLEVEL];
 388
 389         if (states[WINED3DTEXSTA_MINFILTER] > WINED3DTEXF_ANISOTROPIC ||
 390             states[WINED3DTEXSTA_MIPFILTER] > WINED3DTEXF_LINEAR)
 391         {
 392
 393             FIXME("Unrecognized or unsupported D3DSAMP_MINFILTER value %d D3DSAMP_MIPFILTER value %d\n",
 394                   states[WINED3DTEXSTA_MINFILTER],
 395                   states[WINED3DTEXSTA_MIPFILTER]);
 396         }
 397         glValue = This->baseTexture.minMipLookup
 398                 [min(max(samplerStates[WINED3DSAMP_MINFILTER],WINED3DTEXF_NONE), WINED3DTEXF_ANISOTROPIC)]
 399                 .mip[min(max(samplerStates[WINED3DSAMP_MIPFILTER],WINED3DTEXF_NONE), WINED3DTEXF_LINEAR)];
 400
 401         TRACE("ValueMIN=%d, ValueMIP=%d, setting MINFILTER to %x\n",
 402               samplerStates[WINED3DSAMP_MINFILTER],
 403               samplerStates[WINED3DSAMP_MIPFILTER], glValue);
 404         glTexParameteri(textureDimensions, GL_TEXTURE_MIN_FILTER, glValue);
 405         checkGLcall("glTexParameter GL_TEXTURE_MIN_FILTER, ...");
 406
 407         if(!cond_np2) {
 408             if(states[WINED3DTEXSTA_MIPFILTER] == WINED3DTEXF_NONE) {
 409                 glValue = 0;
 410             } else if(states[WINED3DTEXSTA_MAXMIPLEVEL] >= This->baseTexture.levels) {
 411                 glValue = This->baseTexture.levels - 1;
 412             } else {
 413                 glValue = states[WINED3DTEXSTA_MAXMIPLEVEL];
 414             }
 415             glTexParameteri(textureDimensions, GL_TEXTURE_BASE_LEVEL, glValue);
 416         }
 417     }
 418
 419     if(samplerStates[WINED3DSAMP_MAXANISOTROPY] != states[WINED3DTEXSTA_MAXANISOTROPY]) {
 420         if (GL_SUPPORT(EXT_TEXTURE_FILTER_ANISOTROPIC) && !cond_np2) {
 421             glTexParameteri(textureDimensions, GL_TEXTURE_MAX_ANISOTROPY_EXT, samplerStates[WINED3DSAMP_MAXANISOTROPY]);
 422             checkGLcall("glTexParameteri GL_TEXTURE_MAX_ANISOTROPY_EXT ...");
 423         } else {
 424             WARN("Unsupported in local OpenGL implementation: glTexParameteri GL_TEXTURE_MAX_ANISOTROPY_EXT\n");
 425         }
 426         states[WINED3DTEXSTA_MAXANISOTROPY] = samplerStates[WINED3DSAMP_MAXANISOTROPY];
 427     }
 428 }