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 HRESULT basetexture_init(IWineD3DBaseTextureImpl *texture, UINT levels, WINED3DRESOURCETYPE resource_type,
  31         IWineD3DDeviceImpl *device, UINT size, DWORD usage, const struct GlPixelFormatDesc *format_desc,
  32         WINED3DPOOL pool, IUnknown *parent)
  33 {
  34     HRESULT hr;
  35
  36     hr = resource_init((IWineD3DResource *)texture, resource_type, device, size, usage, format_desc, pool, parent);
  37     if (FAILED(hr))
  38     {
  39         WARN("Failed to initialize resource, returning %#x\n", hr);
  40         return hr;
  41     }
  42
  43     texture->baseTexture.levels = levels;
  44     texture->baseTexture.filterType = (usage & WINED3DUSAGE_AUTOGENMIPMAP) ? WINED3DTEXF_LINEAR : WINED3DTEXF_NONE;
  45     texture->baseTexture.LOD = 0;
  46     texture->baseTexture.dirty = TRUE;
  47     texture->baseTexture.srgbDirty = TRUE;
  48     texture->baseTexture.is_srgb = FALSE;
  49     texture->baseTexture.pow2Matrix_identity = TRUE;
  50
  51     if (texture->resource.format_desc->Flags & WINED3DFMT_FLAG_FILTERING)
  52     {
  53         texture->baseTexture.minMipLookup = minMipLookup;
  54         texture->baseTexture.magLookup = magLookup;
  55     }
  56     else
  57     {
  58         texture->baseTexture.minMipLookup = minMipLookup_noFilter;
  59         texture->baseTexture.magLookup = magLookup_noFilter;
  60     }
  61
  62     return WINED3D_OK;
  63 }
  64
  65 void basetexture_cleanup(IWineD3DBaseTexture *iface)
  66 {
  67     basetexture_unload(iface);
  68     resource_cleanup((IWineD3DResource *)iface);
  69 }
  70
  71 void basetexture_unload(IWineD3DBaseTexture *iface)
  72 {
  73     IWineD3DTextureImpl *This = (IWineD3DTextureImpl *)iface;
  74     IWineD3DDeviceImpl *device = This->resource.wineD3DDevice;
  75
  76     if(This->baseTexture.textureName) {
  77         ActivateContext(device, NULL, CTXUSAGE_RESOURCELOAD);
  78         ENTER_GL();
  79         glDeleteTextures(1, &This->baseTexture.textureName);
  80         This->baseTexture.textureName = 0;
  81         LEAVE_GL();
  82     }
  83
  84     if(This->baseTexture.srgbTextureName) {
  85         ActivateContext(device, NULL, CTXUSAGE_RESOURCELOAD);
  86         ENTER_GL();
  87         glDeleteTextures(1, &This->baseTexture.srgbTextureName);
  88         This->baseTexture.srgbTextureName = 0;
  89         LEAVE_GL();
  90     }
  91     This->baseTexture.dirty = TRUE;
  92     This->baseTexture.srgbDirty = TRUE;
  93 }
  94
  95 DWORD basetexture_set_lod(IWineD3DBaseTexture *iface, DWORD LODNew)
  96 {
  97     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
  98     DWORD old = This->baseTexture.LOD;
  99
 100     /* The d3d9:texture test shows that SetLOD is ignored on non-managed
 101      * textures. The call always returns 0, and GetLOD always returns 0
 102      */
 103     if (This->resource.pool != WINED3DPOOL_MANAGED) {
 104         TRACE("Ignoring SetLOD on %s texture, returning 0\n", debug_d3dpool(This->resource.pool));
 105         return 0;
 106     }
 107
 108     if(LODNew >= This->baseTexture.levels)
 109         LODNew = This->baseTexture.levels - 1;
 110
 111     if(This->baseTexture.LOD != LODNew) {
 112         This->baseTexture.LOD = LODNew;
 113
 114         This->baseTexture.states[WINED3DTEXSTA_MAXMIPLEVEL] = ~0U;
 115         This->baseTexture.srgbstates[WINED3DTEXSTA_MAXMIPLEVEL] = ~0U;
 116         if(This->baseTexture.bindCount) {
 117             IWineD3DDeviceImpl_MarkStateDirty(This->resource.wineD3DDevice, STATE_SAMPLER(This->baseTexture.sampler));
 118         }
 119     }
 120
 121     TRACE("(%p) : set LOD to %d\n", This, This->baseTexture.LOD);
 122
 123     return old;
 124 }
 125
 126 DWORD basetexture_get_lod(IWineD3DBaseTexture *iface)
 127 {
 128     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 129
 130     TRACE("(%p) : returning %d\n", This, This->baseTexture.LOD);
 131
 132     return This->baseTexture.LOD;
 133 }
 134
 135 DWORD basetexture_get_level_count(IWineD3DBaseTexture *iface)
 136 {
 137     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 138     TRACE("(%p) : returning %d\n", This, This->baseTexture.levels);
 139     return This->baseTexture.levels;
 140 }
 141
 142 HRESULT basetexture_set_autogen_filter_type(IWineD3DBaseTexture *iface, WINED3DTEXTUREFILTERTYPE FilterType)
 143 {
 144   IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 145   IWineD3DDeviceImpl *device = This->resource.wineD3DDevice;
 146   UINT textureDimensions = IWineD3DBaseTexture_GetTextureDimensions(iface);
 147
 148   if (!(This->resource.usage & WINED3DUSAGE_AUTOGENMIPMAP)) {
 149       TRACE("(%p) : returning invalid call\n", This);
 150       return WINED3DERR_INVALIDCALL;
 151   }
 152   if(This->baseTexture.filterType != FilterType) {
 153       /* What about multithreading? Do we want all the context overhead just to set this value?
 154        * Or should we delay the applying until the texture is used for drawing? For now, apply
 155        * immediately.
 156        */
 157       ActivateContext(device, NULL, CTXUSAGE_RESOURCELOAD);
 158       ENTER_GL();
 159       glBindTexture(textureDimensions, This->baseTexture.textureName);
 160       checkGLcall("glBindTexture");
 161       switch(FilterType) {
 162           case WINED3DTEXF_NONE:
 163           case WINED3DTEXF_POINT:
 164               glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_FASTEST);
 165               checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_FASTEST)");
 166
 167               break;
 168           case WINED3DTEXF_LINEAR:
 169               glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST);
 170               checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST)");
 171
 172               break;
 173           default:
 174               WARN("Unexpected filter type %d, setting to GL_NICEST\n", FilterType);
 175               glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST);
 176               checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST)");
 177       }
 178       LEAVE_GL();
 179   }
 180   This->baseTexture.filterType = FilterType;
 181   TRACE("(%p) :\n", This);
 182   return WINED3D_OK;
 183 }
 184
 185 WINED3DTEXTUREFILTERTYPE basetexture_get_autogen_filter_type(IWineD3DBaseTexture *iface)
 186 {
 187     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 188
 189     FIXME("(%p) : stub\n", This);
 190
 191     return This->baseTexture.filterType;
 192 }
 193
 194 void basetexture_generate_mipmaps(IWineD3DBaseTexture *iface)
 195 {
 196   IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 197   /* TODO: implement filters using GL_SGI_generate_mipmaps http://oss.sgi.com/projects/ogl-sample/registry/SGIS/generate_mipmap.txt */
 198   FIXME("(%p) : stub\n", This);
 199   return ;
 200 }
 201
 202 BOOL basetexture_set_dirty(IWineD3DBaseTexture *iface, BOOL dirty)
 203 {
 204     BOOL old;
 205     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 206     old = This->baseTexture.dirty || This->baseTexture.srgbDirty;
 207     This->baseTexture.dirty = dirty;
 208     This->baseTexture.srgbDirty = dirty;
 209     return old;
 210 }
 211
 212 BOOL basetexture_get_dirty(IWineD3DBaseTexture *iface)
 213 {
 214     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 215     return This->baseTexture.dirty || This->baseTexture.srgbDirty;
 216 }
 217
 218 /* Context activation is done by the caller. */
 219 HRESULT basetexture_bind(IWineD3DBaseTexture *iface, BOOL srgb, BOOL *set_surface_desc)
 220 {
 221     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 222     HRESULT hr = WINED3D_OK;
 223     UINT textureDimensions;
 224     BOOL isNewTexture = FALSE;
 225     GLuint *texture;
 226     DWORD *states;
 227     TRACE("(%p) : About to bind texture\n", This);
 228
 229     This->baseTexture.is_srgb = srgb; /* SRGB mode cache for PreLoad calls outside drawprim */
 230     if(srgb) {
 231         texture = &This->baseTexture.srgbTextureName;
 232         states = This->baseTexture.srgbstates;
 233     } else {
 234         texture = &This->baseTexture.textureName;
 235         states = This->baseTexture.states;
 236     }
 237
 238     textureDimensions = IWineD3DBaseTexture_GetTextureDimensions(iface);
 239     ENTER_GL();
 240     /* Generate a texture name if we don't already have one */
 241     if (*texture == 0) {
 242         *set_surface_desc = TRUE;
 243         glGenTextures(1, texture);
 244         checkGLcall("glGenTextures");
 245         TRACE("Generated texture %d\n", *texture);
 246         if (This->resource.pool == WINED3DPOOL_DEFAULT) {
 247             /* Tell opengl to try and keep this texture in video ram (well mostly) */
 248             GLclampf tmp;
 249             tmp = 0.9f;
 250             glPrioritizeTextures(1, texture, &tmp);
 251
 252         }
 253         /* Initialise the state of the texture object
 254         to the openGL defaults, not the directx defaults */
 255         states[WINED3DTEXSTA_ADDRESSU]      = WINED3DTADDRESS_WRAP;
 256         states[WINED3DTEXSTA_ADDRESSV]      = WINED3DTADDRESS_WRAP;
 257         states[WINED3DTEXSTA_ADDRESSW]      = WINED3DTADDRESS_WRAP;
 258         states[WINED3DTEXSTA_BORDERCOLOR]   = 0;
 259         states[WINED3DTEXSTA_MAGFILTER]     = WINED3DTEXF_LINEAR;
 260         states[WINED3DTEXSTA_MINFILTER]     = WINED3DTEXF_POINT; /* GL_NEAREST_MIPMAP_LINEAR */
 261         states[WINED3DTEXSTA_MIPFILTER]     = WINED3DTEXF_LINEAR; /* GL_NEAREST_MIPMAP_LINEAR */
 262         states[WINED3DTEXSTA_MAXMIPLEVEL]   = 0;
 263         states[WINED3DTEXSTA_MAXANISOTROPY] = 1;
 264         states[WINED3DTEXSTA_SRGBTEXTURE]   = 0;
 265         states[WINED3DTEXSTA_ELEMENTINDEX]  = 0;
 266         states[WINED3DTEXSTA_DMAPOFFSET]    = 0;
 267         states[WINED3DTEXSTA_TSSADDRESSW]   = WINED3DTADDRESS_WRAP;
 268         IWineD3DBaseTexture_SetDirty(iface, TRUE);
 269         isNewTexture = TRUE;
 270
 271         if(This->resource.usage & WINED3DUSAGE_AUTOGENMIPMAP) {
 272             /* This means double binding the texture at creation, but keeps the code simpler all
 273              * in all, and the run-time path free from additional checks
 274              */
 275             glBindTexture(textureDimensions, *texture);
 276             checkGLcall("glBindTexture");
 277             glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_SGIS, GL_TRUE);
 278             checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_SGIS, GL_TRUE)");
 279         }
 280     } else {
 281         *set_surface_desc = FALSE;
 282     }
 283
 284     /* Bind the texture */
 285     if (*texture != 0) {
 286         glBindTexture(textureDimensions, *texture);
 287         checkGLcall("glBindTexture");
 288         if (isNewTexture) {
 289             /* For a new texture we have to set the textures levels after binding the texture.
 290              * In theory this is all we should ever have to do, but because ATI's drivers are broken, we
 291              * also need to set the texture dimensions before the texture is set
 292              * Beware that texture rectangles do not support mipmapping, but set the maxmiplevel if we're
 293              * relying on the partial GL_ARB_texture_non_power_of_two emulation with texture rectangles
 294              * (ie, do not care for cond_np2 here, just look for GL_TEXTURE_RECTANGLE_ARB)
 295              */
 296             if(textureDimensions != GL_TEXTURE_RECTANGLE_ARB) {
 297                 TRACE("Setting GL_TEXTURE_MAX_LEVEL to %d\n", This->baseTexture.levels - 1);
 298                 glTexParameteri(textureDimensions, GL_TEXTURE_MAX_LEVEL, This->baseTexture.levels - 1);
 299                 checkGLcall("glTexParameteri(textureDimensions, GL_TEXTURE_MAX_LEVEL, This->baseTexture.levels)");
 300             }
 301             if(textureDimensions==GL_TEXTURE_CUBE_MAP_ARB) {
 302                 /* Cubemaps are always set to clamp, regardless of the sampler state. */
 303                 glTexParameteri(textureDimensions, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
 304                 glTexParameteri(textureDimensions, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 305                 glTexParameteri(textureDimensions, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
 306             }
 307         }
 308     } else { /* this only happened if we've run out of openGL textures */
 309         WARN("This texture doesn't have an openGL texture assigned to it\n");
 310         hr =  WINED3DERR_INVALIDCALL;
 311     }
 312
 313     LEAVE_GL();
 314     return hr;
 315 }
 316
 317 /* GL locking is done by the caller */
 318 static inline void apply_wrap(const GLint textureDimensions, const DWORD state, const GLint type,
 319                               BOOL cond_np2) {
 320     GLint wrapParm;
 321
 322     if (state < minLookup[WINELOOKUP_WARPPARAM] || state > maxLookup[WINELOOKUP_WARPPARAM]) {
 323         FIXME("Unrecognized or unsupported WINED3DTADDRESS_U value %d\n", state);
 324     } else {
 325         if(textureDimensions==GL_TEXTURE_CUBE_MAP_ARB) {
 326             /* Cubemaps are always set to clamp, regardless of the sampler state. */
 327             wrapParm = GL_CLAMP_TO_EDGE;
 328         } else if(cond_np2) {
 329             if(state == WINED3DTADDRESS_WRAP) {
 330                 wrapParm = GL_CLAMP_TO_EDGE;
 331             } else {
 332                 wrapParm = stateLookup[WINELOOKUP_WARPPARAM][state - minLookup[WINELOOKUP_WARPPARAM]];
 333             }
 334         } else {
 335             wrapParm = stateLookup[WINELOOKUP_WARPPARAM][state - minLookup[WINELOOKUP_WARPPARAM]];
 336         }
 337         TRACE("Setting WRAP_S to %d for %x\n", wrapParm, textureDimensions);
 338         glTexParameteri(textureDimensions, type, wrapParm);
 339         checkGLcall("glTexParameteri(..., type, wrapParm)");
 340     }
 341 }
 342
 343 /* GL locking is done by the caller (state handler) */
 344 void basetexture_apply_state_changes(IWineD3DBaseTexture *iface,
 345         const DWORD textureStates[WINED3D_HIGHEST_TEXTURE_STATE + 1],
 346         const DWORD samplerStates[WINED3D_HIGHEST_SAMPLER_STATE + 1])
 347 {
 348     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 349     DWORD state, *states;
 350     GLint textureDimensions = IWineD3DBaseTexture_GetTextureDimensions(iface);
 351     BOOL cond_np2 = IWineD3DBaseTexture_IsCondNP2(iface);
 352     DWORD aniso;
 353
 354     TRACE("iface %p, textureStates %p, samplerStates %p\n", iface, textureStates, samplerStates);
 355
 356     if(This->baseTexture.is_srgb) {
 357         states = This->baseTexture.srgbstates;
 358     } else {
 359         states = This->baseTexture.states;
 360     }
 361
 362     /* This function relies on the correct texture being bound and loaded. */
 363
 364     if(samplerStates[WINED3DSAMP_ADDRESSU]      != states[WINED3DTEXSTA_ADDRESSU]) {
 365         state = samplerStates[WINED3DSAMP_ADDRESSU];
 366         apply_wrap(textureDimensions, state, GL_TEXTURE_WRAP_S, cond_np2);
 367         states[WINED3DTEXSTA_ADDRESSU] = state;
 368     }
 369
 370     if(samplerStates[WINED3DSAMP_ADDRESSV]      != states[WINED3DTEXSTA_ADDRESSV]) {
 371         state = samplerStates[WINED3DSAMP_ADDRESSV];
 372         apply_wrap(textureDimensions, state, GL_TEXTURE_WRAP_T, cond_np2);
 373         states[WINED3DTEXSTA_ADDRESSV] = state;
 374     }
 375
 376     if(samplerStates[WINED3DSAMP_ADDRESSW]      != states[WINED3DTEXSTA_ADDRESSW]) {
 377         state = samplerStates[WINED3DSAMP_ADDRESSW];
 378         apply_wrap(textureDimensions, state, GL_TEXTURE_WRAP_R, cond_np2);
 379         states[WINED3DTEXSTA_ADDRESSW] = state;
 380     }
 381
 382     if(samplerStates[WINED3DSAMP_BORDERCOLOR]   != states[WINED3DTEXSTA_BORDERCOLOR]) {
 383         float col[4];
 384
 385         state = samplerStates[WINED3DSAMP_BORDERCOLOR];
 386         D3DCOLORTOGLFLOAT4(state, col);
 387         TRACE("Setting border color for %u to %x\n", textureDimensions, state);
 388         glTexParameterfv(textureDimensions, GL_TEXTURE_BORDER_COLOR, &col[0]);
 389         checkGLcall("glTexParameteri(..., GL_TEXTURE_BORDER_COLOR, ...)");
 390         states[WINED3DTEXSTA_BORDERCOLOR] = state;
 391     }
 392
 393     if(samplerStates[WINED3DSAMP_MAGFILTER]     != states[WINED3DTEXSTA_MAGFILTER]) {
 394         GLint glValue;
 395         state = samplerStates[WINED3DSAMP_MAGFILTER];
 396         if (state > WINED3DTEXF_ANISOTROPIC) {
 397             FIXME("Unrecognized or unsupported MAGFILTER* value %d\n", state);
 398         }
 399
 400         glValue = wined3d_gl_mag_filter(This->baseTexture.magLookup,
 401                 min(max(state, WINED3DTEXF_POINT), WINED3DTEXF_LINEAR));
 402         TRACE("ValueMAG=%d setting MAGFILTER to %x\n", state, glValue);
 403         glTexParameteri(textureDimensions, GL_TEXTURE_MAG_FILTER, glValue);
 404
 405         states[WINED3DTEXSTA_MAGFILTER] = state;
 406     }
 407
 408     if((samplerStates[WINED3DSAMP_MINFILTER]     != states[WINED3DTEXSTA_MINFILTER] ||
 409         samplerStates[WINED3DSAMP_MIPFILTER]     != states[WINED3DTEXSTA_MIPFILTER] ||
 410         samplerStates[WINED3DSAMP_MAXMIPLEVEL]   != states[WINED3DTEXSTA_MAXMIPLEVEL])) {
 411         GLint glValue;
 412
 413         states[WINED3DTEXSTA_MIPFILTER] = samplerStates[WINED3DSAMP_MIPFILTER];
 414         states[WINED3DTEXSTA_MINFILTER] = samplerStates[WINED3DSAMP_MINFILTER];
 415         states[WINED3DTEXSTA_MAXMIPLEVEL] = samplerStates[WINED3DSAMP_MAXMIPLEVEL];
 416
 417         if (states[WINED3DTEXSTA_MINFILTER] > WINED3DTEXF_ANISOTROPIC
 418                 || states[WINED3DTEXSTA_MIPFILTER] > WINED3DTEXF_ANISOTROPIC)
 419         {
 420
 421             FIXME("Unrecognized or unsupported D3DSAMP_MINFILTER value %d D3DSAMP_MIPFILTER value %d\n",
 422                   states[WINED3DTEXSTA_MINFILTER],
 423                   states[WINED3DTEXSTA_MIPFILTER]);
 424         }
 425         glValue = wined3d_gl_min_mip_filter(This->baseTexture.minMipLookup,
 426                 min(max(samplerStates[WINED3DSAMP_MINFILTER], WINED3DTEXF_POINT), WINED3DTEXF_LINEAR),
 427                 min(max(samplerStates[WINED3DSAMP_MIPFILTER], WINED3DTEXF_NONE), WINED3DTEXF_LINEAR));
 428
 429         TRACE("ValueMIN=%d, ValueMIP=%d, setting MINFILTER to %x\n",
 430               samplerStates[WINED3DSAMP_MINFILTER],
 431               samplerStates[WINED3DSAMP_MIPFILTER], glValue);
 432         glTexParameteri(textureDimensions, GL_TEXTURE_MIN_FILTER, glValue);
 433         checkGLcall("glTexParameter GL_TEXTURE_MIN_FILTER, ...");
 434
 435         if(!cond_np2) {
 436             if(states[WINED3DTEXSTA_MIPFILTER] == WINED3DTEXF_NONE) {
 437                 glValue = This->baseTexture.LOD;
 438             } else if(states[WINED3DTEXSTA_MAXMIPLEVEL] >= This->baseTexture.levels) {
 439                 glValue = This->baseTexture.levels - 1;
 440             } else if(states[WINED3DTEXSTA_MAXMIPLEVEL] < This->baseTexture.LOD) {
 441                 /* baseTexture.LOD is already clamped in the setter */
 442                 glValue = This->baseTexture.LOD;
 443             } else {
 444                 glValue = states[WINED3DTEXSTA_MAXMIPLEVEL];
 445             }
 446             /* Note that D3DSAMP_MAXMIPLEVEL specifies the biggest mipmap(default 0), while
 447              * GL_TEXTURE_MAX_LEVEL specifies the smallest mimap used(default 1000).
 448              * So D3DSAMP_MAXMIPLEVEL is the same as GL_TEXTURE_BASE_LEVEL.
 449              */
 450             glTexParameteri(textureDimensions, GL_TEXTURE_BASE_LEVEL, glValue);
 451         }
 452     }
 453
 454     if ((states[WINED3DSAMP_MAGFILTER] != WINED3DTEXF_ANISOTROPIC
 455             && states[WINED3DSAMP_MINFILTER] != WINED3DTEXF_ANISOTROPIC
 456             && states[WINED3DSAMP_MIPFILTER] != WINED3DTEXF_ANISOTROPIC)
 457             || cond_np2)
 458     {
 459         aniso = 1;
 460     }
 461     else
 462     {
 463         aniso = samplerStates[WINED3DSAMP_MAXANISOTROPY];
 464     }
 465
 466     if (states[WINED3DTEXSTA_MAXANISOTROPY] != aniso)
 467     {
 468         if (GL_SUPPORT(EXT_TEXTURE_FILTER_ANISOTROPIC))
 469         {
 470             glTexParameteri(textureDimensions, GL_TEXTURE_MAX_ANISOTROPY_EXT, aniso);
 471             checkGLcall("glTexParameteri(GL_TEXTURE_MAX_ANISOTROPY_EXT, aniso)");
 472         }
 473         else
 474         {
 475             WARN("Anisotropic filtering not supported.\n");
 476         }
 477         states[WINED3DTEXSTA_MAXANISOTROPY] = aniso;
 478     }
 479 }