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  * 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 #define GLINFO_LOCATION This->resource.wineD3DDevice->adapter->gl_info
  30
  31 HRESULT basetexture_init(IWineD3DBaseTextureImpl *texture, UINT levels, WINED3DRESOURCETYPE resource_type,
  32         IWineD3DDeviceImpl *device, UINT size, DWORD usage, const struct GlPixelFormatDesc *format_desc,
  33         WINED3DPOOL pool, IUnknown *parent, const struct wined3d_parent_ops *parent_ops)
  34 {
  35     HRESULT hr;
  36
  37     hr = resource_init((IWineD3DResource *)texture, resource_type, device,
  38             size, usage, format_desc, pool, parent, parent_ops);
  39     if (FAILED(hr))
  40     {
  41         WARN("Failed to initialize resource, returning %#x\n", hr);
  42         return hr;
  43     }
  44
  45     texture->baseTexture.levels = levels;
  46     texture->baseTexture.filterType = (usage & WINED3DUSAGE_AUTOGENMIPMAP) ? WINED3DTEXF_LINEAR : WINED3DTEXF_NONE;
  47     texture->baseTexture.LOD = 0;
  48     texture->baseTexture.texture_rgb.dirty = TRUE;
  49     texture->baseTexture.texture_srgb.dirty = TRUE;
  50     texture->baseTexture.is_srgb = FALSE;
  51     texture->baseTexture.pow2Matrix_identity = TRUE;
  52
  53     if (texture->resource.format_desc->Flags & WINED3DFMT_FLAG_FILTERING)
  54     {
  55         texture->baseTexture.minMipLookup = minMipLookup;
  56         texture->baseTexture.magLookup = magLookup;
  57     }
  58     else
  59     {
  60         texture->baseTexture.minMipLookup = minMipLookup_noFilter;
  61         texture->baseTexture.magLookup = magLookup_noFilter;
  62     }
  63
  64     return WINED3D_OK;
  65 }
  66
  67 void basetexture_cleanup(IWineD3DBaseTexture *iface)
  68 {
  69     basetexture_unload(iface);
  70     resource_cleanup((IWineD3DResource *)iface);
  71 }
  72
  73 void basetexture_unload(IWineD3DBaseTexture *iface)
  74 {
  75     IWineD3DTextureImpl *This = (IWineD3DTextureImpl *)iface;
  76     IWineD3DDeviceImpl *device = This->resource.wineD3DDevice;
  77
  78     if(This->baseTexture.texture_rgb.name) {
  79         ActivateContext(device, NULL, CTXUSAGE_RESOURCELOAD);
  80         ENTER_GL();
  81         glDeleteTextures(1, &This->baseTexture.texture_rgb.name);
  82         This->baseTexture.texture_rgb.name = 0;
  83         LEAVE_GL();
  84     }
  85
  86     if(This->baseTexture.texture_srgb.name) {
  87         ActivateContext(device, NULL, CTXUSAGE_RESOURCELOAD);
  88         ENTER_GL();
  89         glDeleteTextures(1, &This->baseTexture.texture_srgb.name);
  90         This->baseTexture.texture_srgb.name = 0;
  91         LEAVE_GL();
  92     }
  93     This->baseTexture.texture_rgb.dirty = TRUE;
  94     This->baseTexture.texture_srgb.dirty = TRUE;
  95 }
  96
  97 DWORD basetexture_set_lod(IWineD3DBaseTexture *iface, DWORD LODNew)
  98 {
  99     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 100     DWORD old = This->baseTexture.LOD;
 101
 102     /* The d3d9:texture test shows that SetLOD is ignored on non-managed
 103      * textures. The call always returns 0, and GetLOD always returns 0
 104      */
 105     if (This->resource.pool != WINED3DPOOL_MANAGED) {
 106         TRACE("Ignoring SetLOD on %s texture, returning 0\n", debug_d3dpool(This->resource.pool));
 107         return 0;
 108     }
 109
 110     if(LODNew >= This->baseTexture.levels)
 111         LODNew = This->baseTexture.levels - 1;
 112
 113     if(This->baseTexture.LOD != LODNew) {
 114         This->baseTexture.LOD = LODNew;
 115
 116         This->baseTexture.texture_rgb.states[WINED3DTEXSTA_MAXMIPLEVEL] = ~0U;
 117         This->baseTexture.texture_srgb.states[WINED3DTEXSTA_MAXMIPLEVEL] = ~0U;
 118         if(This->baseTexture.bindCount) {
 119             IWineD3DDeviceImpl_MarkStateDirty(This->resource.wineD3DDevice, STATE_SAMPLER(This->baseTexture.sampler));
 120         }
 121     }
 122
 123     TRACE("(%p) : set LOD to %d\n", This, This->baseTexture.LOD);
 124
 125     return old;
 126 }
 127
 128 DWORD basetexture_get_lod(IWineD3DBaseTexture *iface)
 129 {
 130     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 131
 132     TRACE("(%p) : returning %d\n", This, This->baseTexture.LOD);
 133
 134     return This->baseTexture.LOD;
 135 }
 136
 137 DWORD basetexture_get_level_count(IWineD3DBaseTexture *iface)
 138 {
 139     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 140     TRACE("(%p) : returning %d\n", This, This->baseTexture.levels);
 141     return This->baseTexture.levels;
 142 }
 143
 144 HRESULT basetexture_set_autogen_filter_type(IWineD3DBaseTexture *iface, WINED3DTEXTUREFILTERTYPE FilterType)
 145 {
 146   IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 147   IWineD3DDeviceImpl *device = This->resource.wineD3DDevice;
 148   UINT textureDimensions = IWineD3DBaseTexture_GetTextureDimensions(iface);
 149
 150   if (!(This->resource.usage & WINED3DUSAGE_AUTOGENMIPMAP)) {
 151       TRACE("(%p) : returning invalid call\n", This);
 152       return WINED3DERR_INVALIDCALL;
 153   }
 154   if(This->baseTexture.filterType != FilterType) {
 155       /* What about multithreading? Do we want all the context overhead just to set this value?
 156        * Or should we delay the applying until the texture is used for drawing? For now, apply
 157        * immediately.
 158        */
 159       ActivateContext(device, NULL, CTXUSAGE_RESOURCELOAD);
 160       ENTER_GL();
 161       glBindTexture(textureDimensions, This->baseTexture.texture_rgb.name);
 162       checkGLcall("glBindTexture");
 163       switch(FilterType) {
 164           case WINED3DTEXF_NONE:
 165           case WINED3DTEXF_POINT:
 166               glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_FASTEST);
 167               checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_FASTEST)");
 168
 169               break;
 170           case WINED3DTEXF_LINEAR:
 171               glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST);
 172               checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST)");
 173
 174               break;
 175           default:
 176               WARN("Unexpected filter type %d, setting to GL_NICEST\n", FilterType);
 177               glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST);
 178               checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST)");
 179       }
 180       LEAVE_GL();
 181   }
 182   This->baseTexture.filterType = FilterType;
 183   TRACE("(%p) :\n", This);
 184   return WINED3D_OK;
 185 }
 186
 187 WINED3DTEXTUREFILTERTYPE basetexture_get_autogen_filter_type(IWineD3DBaseTexture *iface)
 188 {
 189     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 190
 191     FIXME("(%p) : stub\n", This);
 192
 193     return This->baseTexture.filterType;
 194 }
 195
 196 void basetexture_generate_mipmaps(IWineD3DBaseTexture *iface)
 197 {
 198   IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 199   /* TODO: implement filters using GL_SGI_generate_mipmaps http://oss.sgi.com/projects/ogl-sample/registry/SGIS/generate_mipmap.txt */
 200   FIXME("(%p) : stub\n", This);
 201   return ;
 202 }
 203
 204 BOOL basetexture_set_dirty(IWineD3DBaseTexture *iface, BOOL dirty)
 205 {
 206     BOOL old;
 207     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 208     old = This->baseTexture.texture_rgb.dirty || This->baseTexture.texture_srgb.dirty;
 209     This->baseTexture.texture_rgb.dirty = dirty;
 210     This->baseTexture.texture_srgb.dirty = dirty;
 211     return old;
 212 }
 213
 214 BOOL basetexture_get_dirty(IWineD3DBaseTexture *iface)
 215 {
 216     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 217     return This->baseTexture.texture_rgb.dirty || This->baseTexture.texture_srgb.dirty;
 218 }
 219
 220 /* Context activation is done by the caller. */
 221 HRESULT basetexture_bind(IWineD3DBaseTexture *iface, BOOL srgb, BOOL *set_surface_desc)
 222 {
 223     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 224     HRESULT hr = WINED3D_OK;
 225     UINT textureDimensions;
 226     BOOL isNewTexture = FALSE;
 227     struct gl_texture *gl_tex;
 228     TRACE("(%p) : About to bind texture\n", This);
 229
 230     This->baseTexture.is_srgb = srgb; /* SRGB mode cache for PreLoad calls outside drawprim */
 231     if(srgb) {
 232         gl_tex = &This->baseTexture.texture_srgb;
 233     } else {
 234         gl_tex = &This->baseTexture.texture_rgb;
 235     }
 236
 237     textureDimensions = IWineD3DBaseTexture_GetTextureDimensions(iface);
 238     ENTER_GL();
 239     /* Generate a texture name if we don't already have one */
 240     if (gl_tex->name == 0) {
 241         *set_surface_desc = TRUE;
 242         glGenTextures(1, &gl_tex->name);
 243         checkGLcall("glGenTextures");
 244         TRACE("Generated texture %d\n", gl_tex->name);
 245         if (This->resource.pool == WINED3DPOOL_DEFAULT) {
 246             /* Tell opengl to try and keep this texture in video ram (well mostly) */
 247             GLclampf tmp;
 248             tmp = 0.9f;
 249             glPrioritizeTextures(1, &gl_tex->name, &tmp);
 250
 251         }
 252         /* Initialise the state of the texture object
 253         to the openGL defaults, not the directx defaults */
 254         gl_tex->states[WINED3DTEXSTA_ADDRESSU]      = WINED3DTADDRESS_WRAP;
 255         gl_tex->states[WINED3DTEXSTA_ADDRESSV]      = WINED3DTADDRESS_WRAP;
 256         gl_tex->states[WINED3DTEXSTA_ADDRESSW]      = WINED3DTADDRESS_WRAP;
 257         gl_tex->states[WINED3DTEXSTA_BORDERCOLOR]   = 0;
 258         gl_tex->states[WINED3DTEXSTA_MAGFILTER]     = WINED3DTEXF_LINEAR;
 259         gl_tex->states[WINED3DTEXSTA_MINFILTER]     = WINED3DTEXF_POINT; /* GL_NEAREST_MIPMAP_LINEAR */
 260         gl_tex->states[WINED3DTEXSTA_MIPFILTER]     = WINED3DTEXF_LINEAR; /* GL_NEAREST_MIPMAP_LINEAR */
 261         gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL]   = 0;
 262         gl_tex->states[WINED3DTEXSTA_MAXANISOTROPY] = 1;
 263         gl_tex->states[WINED3DTEXSTA_SRGBTEXTURE]   = 0;
 264         gl_tex->states[WINED3DTEXSTA_ELEMENTINDEX]  = 0;
 265         gl_tex->states[WINED3DTEXSTA_DMAPOFFSET]    = 0;
 266         gl_tex->states[WINED3DTEXSTA_TSSADDRESSW]   = WINED3DTADDRESS_WRAP;
 267         IWineD3DBaseTexture_SetDirty(iface, TRUE);
 268         isNewTexture = TRUE;
 269
 270         if(This->resource.usage & WINED3DUSAGE_AUTOGENMIPMAP) {
 271             /* This means double binding the texture at creation, but keeps the code simpler all
 272              * in all, and the run-time path free from additional checks
 273              */
 274             glBindTexture(textureDimensions, gl_tex->name);
 275             checkGLcall("glBindTexture");
 276             glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_SGIS, GL_TRUE);
 277             checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_SGIS, GL_TRUE)");
 278         }
 279     } else {
 280         *set_surface_desc = FALSE;
 281     }
 282
 283     /* Bind the texture */
 284     if (gl_tex->name != 0) {
 285         glBindTexture(textureDimensions, gl_tex->name);
 286         checkGLcall("glBindTexture");
 287         if (isNewTexture) {
 288             /* For a new texture we have to set the textures levels after binding the texture.
 289              * In theory this is all we should ever have to do, but because ATI's drivers are broken, we
 290              * also need to set the texture dimensions before the texture is set
 291              * Beware that texture rectangles do not support mipmapping, but set the maxmiplevel if we're
 292              * relying on the partial GL_ARB_texture_non_power_of_two emulation with texture rectangles
 293              * (ie, do not care for cond_np2 here, just look for GL_TEXTURE_RECTANGLE_ARB)
 294              */
 295             if(textureDimensions != GL_TEXTURE_RECTANGLE_ARB) {
 296                 TRACE("Setting GL_TEXTURE_MAX_LEVEL to %d\n", This->baseTexture.levels - 1);
 297                 glTexParameteri(textureDimensions, GL_TEXTURE_MAX_LEVEL, This->baseTexture.levels - 1);
 298                 checkGLcall("glTexParameteri(textureDimensions, GL_TEXTURE_MAX_LEVEL, This->baseTexture.levels)");
 299             }
 300             if(textureDimensions==GL_TEXTURE_CUBE_MAP_ARB) {
 301                 /* Cubemaps are always set to clamp, regardless of the sampler state. */
 302                 glTexParameteri(textureDimensions, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
 303                 glTexParameteri(textureDimensions, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 304                 glTexParameteri(textureDimensions, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
 305             }
 306         }
 307     } else { /* this only happened if we've run out of openGL textures */
 308         WARN("This texture doesn't have an openGL texture assigned to it\n");
 309         hr =  WINED3DERR_INVALIDCALL;
 310     }
 311
 312     LEAVE_GL();
 313     return hr;
 314 }
 315
 316 /* GL locking is done by the caller */
 317 static inline void apply_wrap(const GLint textureDimensions, const DWORD state, const GLint type,
 318                               BOOL cond_np2) {
 319     GLint wrapParm;
 320
 321     if (state < minLookup[WINELOOKUP_WARPPARAM] || state > maxLookup[WINELOOKUP_WARPPARAM]) {
 322         FIXME("Unrecognized or unsupported WINED3DTADDRESS_U value %d\n", state);
 323     } else {
 324         if(textureDimensions==GL_TEXTURE_CUBE_MAP_ARB) {
 325             /* Cubemaps are always set to clamp, regardless of the sampler state. */
 326             wrapParm = GL_CLAMP_TO_EDGE;
 327         } else if(cond_np2) {
 328             if(state == WINED3DTADDRESS_WRAP) {
 329                 wrapParm = GL_CLAMP_TO_EDGE;
 330             } else {
 331                 wrapParm = stateLookup[WINELOOKUP_WARPPARAM][state - minLookup[WINELOOKUP_WARPPARAM]];
 332             }
 333         } else {
 334             wrapParm = stateLookup[WINELOOKUP_WARPPARAM][state - minLookup[WINELOOKUP_WARPPARAM]];
 335         }
 336         TRACE("Setting WRAP_S to %d for %x\n", wrapParm, textureDimensions);
 337         glTexParameteri(textureDimensions, type, wrapParm);
 338         checkGLcall("glTexParameteri(..., type, wrapParm)");
 339     }
 340 }
 341
 342 /* GL locking is done by the caller (state handler) */
 343 void basetexture_apply_state_changes(IWineD3DBaseTexture *iface,
 344         const DWORD textureStates[WINED3D_HIGHEST_TEXTURE_STATE + 1],
 345         const DWORD samplerStates[WINED3D_HIGHEST_SAMPLER_STATE + 1])
 346 {
 347     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 348     DWORD state;
 349     GLint textureDimensions = IWineD3DBaseTexture_GetTextureDimensions(iface);
 350     BOOL cond_np2 = IWineD3DBaseTexture_IsCondNP2(iface);
 351     DWORD aniso;
 352     struct gl_texture *gl_tex;
 353
 354     TRACE("iface %p, textureStates %p, samplerStates %p\n", iface, textureStates, samplerStates);
 355
 356     if(This->baseTexture.is_srgb) {
 357         gl_tex = &This->baseTexture.texture_srgb;
 358     } else {
 359         gl_tex = &This->baseTexture.texture_rgb;
 360     }
 361
 362     /* This function relies on the correct texture being bound and loaded. */
 363
 364     if(samplerStates[WINED3DSAMP_ADDRESSU]      != gl_tex->states[WINED3DTEXSTA_ADDRESSU]) {
 365         state = samplerStates[WINED3DSAMP_ADDRESSU];
 366         apply_wrap(textureDimensions, state, GL_TEXTURE_WRAP_S, cond_np2);
 367         gl_tex->states[WINED3DTEXSTA_ADDRESSU] = state;
 368     }
 369
 370     if(samplerStates[WINED3DSAMP_ADDRESSV]      != gl_tex->states[WINED3DTEXSTA_ADDRESSV]) {
 371         state = samplerStates[WINED3DSAMP_ADDRESSV];
 372         apply_wrap(textureDimensions, state, GL_TEXTURE_WRAP_T, cond_np2);
 373         gl_tex->states[WINED3DTEXSTA_ADDRESSV] = state;
 374     }
 375
 376     if(samplerStates[WINED3DSAMP_ADDRESSW]      != gl_tex->states[WINED3DTEXSTA_ADDRESSW]) {
 377         state = samplerStates[WINED3DSAMP_ADDRESSW];
 378         apply_wrap(textureDimensions, state, GL_TEXTURE_WRAP_R, cond_np2);
 379         gl_tex->states[WINED3DTEXSTA_ADDRESSW] = state;
 380     }
 381
 382     if(samplerStates[WINED3DSAMP_BORDERCOLOR]   != gl_tex->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         gl_tex->states[WINED3DTEXSTA_BORDERCOLOR] = state;
 391     }
 392
 393     if(samplerStates[WINED3DSAMP_MAGFILTER]     != gl_tex->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         gl_tex->states[WINED3DTEXSTA_MAGFILTER] = state;
 406     }
 407
 408     if((samplerStates[WINED3DSAMP_MINFILTER]     != gl_tex->states[WINED3DTEXSTA_MINFILTER] ||
 409         samplerStates[WINED3DSAMP_MIPFILTER]     != gl_tex->states[WINED3DTEXSTA_MIPFILTER] ||
 410         samplerStates[WINED3DSAMP_MAXMIPLEVEL]   != gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL])) {
 411         GLint glValue;
 412
 413         gl_tex->states[WINED3DTEXSTA_MIPFILTER] = samplerStates[WINED3DSAMP_MIPFILTER];
 414         gl_tex->states[WINED3DTEXSTA_MINFILTER] = samplerStates[WINED3DSAMP_MINFILTER];
 415         gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] = samplerStates[WINED3DSAMP_MAXMIPLEVEL];
 416
 417         if (gl_tex->states[WINED3DTEXSTA_MINFILTER] > WINED3DTEXF_ANISOTROPIC
 418             || gl_tex->states[WINED3DTEXSTA_MIPFILTER] > WINED3DTEXF_ANISOTROPIC)
 419         {
 420
 421             FIXME("Unrecognized or unsupported D3DSAMP_MINFILTER value %d D3DSAMP_MIPFILTER value %d\n",
 422                   gl_tex->states[WINED3DTEXSTA_MINFILTER],
 423                   gl_tex->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(gl_tex->states[WINED3DTEXSTA_MIPFILTER] == WINED3DTEXF_NONE) {
 437                 glValue = This->baseTexture.LOD;
 438             } else if(gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] >= This->baseTexture.levels) {
 439                 glValue = This->baseTexture.levels - 1;
 440             } else if(gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] < This->baseTexture.LOD) {
 441                 /* baseTexture.LOD is already clamped in the setter */
 442                 glValue = This->baseTexture.LOD;
 443             } else {
 444                 glValue = gl_tex->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 ((gl_tex->states[WINED3DSAMP_MAGFILTER] != WINED3DTEXF_ANISOTROPIC
 455          && gl_tex->states[WINED3DSAMP_MINFILTER] != WINED3DTEXF_ANISOTROPIC
 456          && gl_tex->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 (gl_tex->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         gl_tex->states[WINED3DTEXSTA_MAXANISOTROPY] = aniso;
 478     }
 479 }