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 2009-2010 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 HRESULT basetexture_init(IWineD3DBaseTextureImpl *texture, const struct wined3d_texture_ops *texture_ops,
  31         UINT layer_count, UINT level_count, WINED3DRESOURCETYPE resource_type, IWineD3DDeviceImpl *device,
  32         DWORD usage, const struct wined3d_format *format, WINED3DPOOL pool, void *parent,
  33         const struct wined3d_parent_ops *parent_ops)
  34 {
  35     HRESULT hr;
  36
  37     hr = resource_init((IWineD3DResourceImpl *)texture, resource_type, device,
  38             0, usage, format, 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.texture_ops = texture_ops;
  46     texture->baseTexture.sub_resources = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
  47             level_count * layer_count * sizeof(*texture->baseTexture.sub_resources));
  48     if (!texture->baseTexture.sub_resources)
  49     {
  50         ERR("Failed to allocate sub-resource array.\n");
  51         resource_cleanup((IWineD3DResourceImpl *)texture);
  52         return E_OUTOFMEMORY;
  53     }
  54
  55     texture->baseTexture.layer_count = layer_count;
  56     texture->baseTexture.level_count = level_count;
  57     texture->baseTexture.filterType = (usage & WINED3DUSAGE_AUTOGENMIPMAP) ? WINED3DTEXF_LINEAR : WINED3DTEXF_NONE;
  58     texture->baseTexture.LOD = 0;
  59     texture->baseTexture.texture_rgb.dirty = TRUE;
  60     texture->baseTexture.texture_srgb.dirty = TRUE;
  61     texture->baseTexture.is_srgb = FALSE;
  62     texture->baseTexture.pow2Matrix_identity = TRUE;
  63
  64     if (texture->resource.format->flags & WINED3DFMT_FLAG_FILTERING)
  65     {
  66         texture->baseTexture.minMipLookup = minMipLookup;
  67         texture->baseTexture.magLookup = magLookup;
  68     }
  69     else
  70     {
  71         texture->baseTexture.minMipLookup = minMipLookup_noFilter;
  72         texture->baseTexture.magLookup = magLookup_noFilter;
  73     }
  74
  75     return WINED3D_OK;
  76 }
  77
  78 void basetexture_cleanup(IWineD3DBaseTextureImpl *texture)
  79 {
  80     basetexture_unload(texture);
  81     HeapFree(GetProcessHeap(), 0, texture->baseTexture.sub_resources);
  82     resource_cleanup((IWineD3DResourceImpl *)texture);
  83 }
  84
  85 IWineD3DResourceImpl *basetexture_get_sub_resource(IWineD3DBaseTextureImpl *texture, UINT sub_resource_idx)
  86 {
  87     UINT sub_count = texture->baseTexture.level_count * texture->baseTexture.layer_count;
  88
  89     if (sub_resource_idx >= sub_count)
  90     {
  91         WARN("sub_resource_idx %u >= sub_count %u.\n", sub_resource_idx, sub_count);
  92         return NULL;
  93     }
  94
  95     return texture->baseTexture.sub_resources[sub_resource_idx];
  96 }
  97
  98 /* A GL context is provided by the caller */
  99 static void gltexture_delete(struct gl_texture *tex)
 100 {
 101     ENTER_GL();
 102     glDeleteTextures(1, &tex->name);
 103     LEAVE_GL();
 104     tex->name = 0;
 105 }
 106
 107 void basetexture_unload(IWineD3DBaseTextureImpl *texture)
 108 {
 109     IWineD3DDeviceImpl *device = texture->resource.device;
 110     struct wined3d_context *context = NULL;
 111
 112     if (texture->baseTexture.texture_rgb.name || texture->baseTexture.texture_srgb.name)
 113     {
 114         context = context_acquire(device, NULL);
 115     }
 116
 117     if (texture->baseTexture.texture_rgb.name)
 118         gltexture_delete(&texture->baseTexture.texture_rgb);
 119
 120     if (texture->baseTexture.texture_srgb.name)
 121         gltexture_delete(&texture->baseTexture.texture_srgb);
 122
 123     if (context) context_release(context);
 124
 125     texture->baseTexture.texture_rgb.dirty = TRUE;
 126     texture->baseTexture.texture_srgb.dirty = TRUE;
 127
 128     resource_unload((IWineD3DResourceImpl *)texture);
 129 }
 130
 131 DWORD basetexture_set_lod(IWineD3DBaseTextureImpl *texture, DWORD lod)
 132 {
 133     DWORD old = texture->baseTexture.LOD;
 134
 135     TRACE("texture %p, lod %u.\n", texture, lod);
 136
 137     /* The d3d9:texture test shows that SetLOD is ignored on non-managed
 138      * textures. The call always returns 0, and GetLOD always returns 0. */
 139     if (texture->resource.pool != WINED3DPOOL_MANAGED)
 140     {
 141         TRACE("Ignoring SetLOD on %s texture, returning 0.\n", debug_d3dpool(texture->resource.pool));
 142         return 0;
 143     }
 144
 145     if (lod >= texture->baseTexture.level_count)
 146         lod = texture->baseTexture.level_count - 1;
 147
 148     if (texture->baseTexture.LOD != lod)
 149     {
 150         texture->baseTexture.LOD = lod;
 151
 152         texture->baseTexture.texture_rgb.states[WINED3DTEXSTA_MAXMIPLEVEL] = ~0U;
 153         texture->baseTexture.texture_srgb.states[WINED3DTEXSTA_MAXMIPLEVEL] = ~0U;
 154         if (texture->baseTexture.bindCount)
 155             IWineD3DDeviceImpl_MarkStateDirty(texture->resource.device, STATE_SAMPLER(texture->baseTexture.sampler));
 156     }
 157
 158     return old;
 159 }
 160
 161 DWORD basetexture_get_lod(IWineD3DBaseTextureImpl *texture)
 162 {
 163     TRACE("texture %p, returning %u.\n", texture, texture->baseTexture.LOD);
 164
 165     return texture->baseTexture.LOD;
 166 }
 167
 168 DWORD basetexture_get_level_count(IWineD3DBaseTextureImpl *texture)
 169 {
 170     TRACE("texture %p, returning %u.\n", texture, texture->baseTexture.level_count);
 171     return texture->baseTexture.level_count;
 172 }
 173
 174 HRESULT basetexture_set_autogen_filter_type(IWineD3DBaseTextureImpl *texture, WINED3DTEXTUREFILTERTYPE filter_type)
 175 {
 176     TRACE("texture %p, filter_type %s.\n", texture, debug_d3dtexturefiltertype(filter_type));
 177
 178     if (!(texture->resource.usage & WINED3DUSAGE_AUTOGENMIPMAP))
 179     {
 180         WARN("Texture doesn't have AUTOGENMIPMAP usage.\n");
 181         return WINED3DERR_INVALIDCALL;
 182     }
 183
 184     if (texture->baseTexture.filterType != filter_type)
 185     {
 186         GLenum target = texture->baseTexture.target;
 187         struct wined3d_context *context;
 188
 189         context = context_acquire(texture->resource.device, NULL);
 190
 191         ENTER_GL();
 192         glBindTexture(target, texture->baseTexture.texture_rgb.name);
 193         checkGLcall("glBindTexture");
 194         switch (filter_type)
 195         {
 196             case WINED3DTEXF_NONE:
 197             case WINED3DTEXF_POINT:
 198                 glTexParameteri(target, GL_GENERATE_MIPMAP_HINT_SGIS, GL_FASTEST);
 199                 checkGLcall("glTexParameteri(target, GL_GENERATE_MIPMAP_HINT_SGIS, GL_FASTEST)");
 200                 break;
 201
 202             case WINED3DTEXF_LINEAR:
 203                 glTexParameteri(target, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST);
 204                 checkGLcall("glTexParameteri(target, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST)");
 205                 break;
 206
 207             default:
 208                 WARN("Unexpected filter type %#x, setting to GL_NICEST.\n", filter_type);
 209                 glTexParameteri(target, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST);
 210                 checkGLcall("glTexParameteri(target, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST)");
 211                 break;
 212         }
 213         LEAVE_GL();
 214
 215         context_release(context);
 216     }
 217     texture->baseTexture.filterType = filter_type;
 218
 219     return WINED3D_OK;
 220 }
 221
 222 WINED3DTEXTUREFILTERTYPE basetexture_get_autogen_filter_type(IWineD3DBaseTextureImpl *texture)
 223 {
 224     TRACE("texture %p.\n", texture);
 225
 226     return texture->baseTexture.filterType;
 227 }
 228
 229 void basetexture_generate_mipmaps(IWineD3DBaseTextureImpl *texture)
 230 {
 231     /* TODO: Implement filters using GL_SGI_generate_mipmaps. */
 232     FIXME("texture %p stub!\n", texture);
 233 }
 234
 235 BOOL basetexture_set_dirty(IWineD3DBaseTextureImpl *texture, BOOL dirty)
 236 {
 237     BOOL old;
 238
 239     old = texture->baseTexture.texture_rgb.dirty || texture->baseTexture.texture_srgb.dirty;
 240     texture->baseTexture.texture_rgb.dirty = dirty;
 241     texture->baseTexture.texture_srgb.dirty = dirty;
 242
 243     return old;
 244 }
 245
 246 /* Context activation is done by the caller. */
 247 HRESULT basetexture_bind(IWineD3DBaseTextureImpl *texture, BOOL srgb, BOOL *set_surface_desc)
 248 {
 249     HRESULT hr = WINED3D_OK;
 250     GLenum textureDimensions;
 251     BOOL isNewTexture = FALSE;
 252     struct gl_texture *gl_tex;
 253
 254     TRACE("texture %p, srgb %#x, set_surface_desc %p.\n", texture, srgb, set_surface_desc);
 255
 256     texture->baseTexture.is_srgb = srgb; /* SRGB mode cache for PreLoad calls outside drawprim */
 257     if (srgb)
 258         gl_tex = &texture->baseTexture.texture_srgb;
 259     else
 260         gl_tex = &texture->baseTexture.texture_rgb;
 261
 262     textureDimensions = texture->baseTexture.target;
 263
 264     ENTER_GL();
 265     /* Generate a texture name if we don't already have one */
 266     if (!gl_tex->name)
 267     {
 268         *set_surface_desc = TRUE;
 269         glGenTextures(1, &gl_tex->name);
 270         checkGLcall("glGenTextures");
 271         TRACE("Generated texture %d\n", gl_tex->name);
 272         if (texture->resource.pool == WINED3DPOOL_DEFAULT)
 273         {
 274             /* Tell opengl to try and keep this texture in video ram (well mostly) */
 275             GLclampf tmp;
 276             tmp = 0.9f;
 277             glPrioritizeTextures(1, &gl_tex->name, &tmp);
 278
 279         }
 280         /* Initialise the state of the texture object
 281         to the openGL defaults, not the directx defaults */
 282         gl_tex->states[WINED3DTEXSTA_ADDRESSU]      = WINED3DTADDRESS_WRAP;
 283         gl_tex->states[WINED3DTEXSTA_ADDRESSV]      = WINED3DTADDRESS_WRAP;
 284         gl_tex->states[WINED3DTEXSTA_ADDRESSW]      = WINED3DTADDRESS_WRAP;
 285         gl_tex->states[WINED3DTEXSTA_BORDERCOLOR]   = 0;
 286         gl_tex->states[WINED3DTEXSTA_MAGFILTER]     = WINED3DTEXF_LINEAR;
 287         gl_tex->states[WINED3DTEXSTA_MINFILTER]     = WINED3DTEXF_POINT; /* GL_NEAREST_MIPMAP_LINEAR */
 288         gl_tex->states[WINED3DTEXSTA_MIPFILTER]     = WINED3DTEXF_LINEAR; /* GL_NEAREST_MIPMAP_LINEAR */
 289         gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL]   = 0;
 290         gl_tex->states[WINED3DTEXSTA_MAXANISOTROPY] = 1;
 291         gl_tex->states[WINED3DTEXSTA_SRGBTEXTURE]   = 0;
 292         gl_tex->states[WINED3DTEXSTA_SHADOW]        = FALSE;
 293         basetexture_set_dirty(texture, TRUE);
 294         isNewTexture = TRUE;
 295
 296         if (texture->resource.usage & WINED3DUSAGE_AUTOGENMIPMAP)
 297         {
 298             /* This means double binding the texture at creation, but keeps the code simpler all
 299              * in all, and the run-time path free from additional checks
 300              */
 301             glBindTexture(textureDimensions, gl_tex->name);
 302             checkGLcall("glBindTexture");
 303             glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_SGIS, GL_TRUE);
 304             checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_SGIS, GL_TRUE)");
 305         }
 306     } else {
 307         *set_surface_desc = FALSE;
 308     }
 309
 310     /* Bind the texture */
 311     if (gl_tex->name)
 312     {
 313         glBindTexture(textureDimensions, gl_tex->name);
 314         checkGLcall("glBindTexture");
 315         if (isNewTexture) {
 316             /* For a new texture we have to set the textures levels after binding the texture.
 317              * In theory this is all we should ever have to do, but because ATI's drivers are broken, we
 318              * also need to set the texture dimensions before the texture is set
 319              * Beware that texture rectangles do not support mipmapping, but set the maxmiplevel if we're
 320              * relying on the partial GL_ARB_texture_non_power_of_two emulation with texture rectangles
 321              * (ie, do not care for cond_np2 here, just look for GL_TEXTURE_RECTANGLE_ARB)
 322              */
 323             if (textureDimensions != GL_TEXTURE_RECTANGLE_ARB)
 324             {
 325                 TRACE("Setting GL_TEXTURE_MAX_LEVEL to %u.\n", texture->baseTexture.level_count - 1);
 326                 glTexParameteri(textureDimensions, GL_TEXTURE_MAX_LEVEL, texture->baseTexture.level_count - 1);
 327                 checkGLcall("glTexParameteri(textureDimensions, GL_TEXTURE_MAX_LEVEL, texture->baseTexture.level_count)");
 328             }
 329             if(textureDimensions==GL_TEXTURE_CUBE_MAP_ARB) {
 330                 /* Cubemaps are always set to clamp, regardless of the sampler state. */
 331                 glTexParameteri(textureDimensions, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
 332                 glTexParameteri(textureDimensions, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 333                 glTexParameteri(textureDimensions, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
 334             }
 335         }
 336     } else { /* this only happened if we've run out of openGL textures */
 337         WARN("This texture doesn't have an openGL texture assigned to it\n");
 338         hr =  WINED3DERR_INVALIDCALL;
 339     }
 340
 341     LEAVE_GL();
 342     return hr;
 343 }
 344
 345 /* GL locking is done by the caller */
 346 static void apply_wrap(const struct wined3d_gl_info *gl_info, GLenum target,
 347         WINED3DTEXTUREADDRESS d3d_wrap, GLenum param, BOOL cond_np2)
 348 {
 349     GLint gl_wrap;
 350
 351     if (d3d_wrap < WINED3DTADDRESS_WRAP || d3d_wrap > WINED3DTADDRESS_MIRRORONCE)
 352     {
 353         FIXME("Unrecognized or unsupported WINED3DTEXTUREADDRESS %#x.\n", d3d_wrap);
 354         return;
 355     }
 356
 357     if (target == GL_TEXTURE_CUBE_MAP_ARB
 358             || (cond_np2 && d3d_wrap == WINED3DTADDRESS_WRAP))
 359     {
 360         /* Cubemaps are always set to clamp, regardless of the sampler state. */
 361         gl_wrap = GL_CLAMP_TO_EDGE;
 362     }
 363     else
 364     {
 365         gl_wrap = gl_info->wrap_lookup[d3d_wrap - WINED3DTADDRESS_WRAP];
 366     }
 367
 368     TRACE("Setting param %#x to %#x for target %#x.\n", param, gl_wrap, target);
 369     glTexParameteri(target, param, gl_wrap);
 370     checkGLcall("glTexParameteri(target, param, gl_wrap)");
 371 }
 372
 373 /* GL locking is done by the caller (state handler) */
 374 void basetexture_apply_state_changes(IWineD3DBaseTextureImpl *texture,
 375         const DWORD samplerStates[WINED3D_HIGHEST_SAMPLER_STATE + 1],
 376         const struct wined3d_gl_info *gl_info)
 377 {
 378     BOOL cond_np2 = IWineD3DBaseTexture_IsCondNP2((IWineD3DBaseTexture *)texture);
 379     GLenum textureDimensions = texture->baseTexture.target;
 380     DWORD state;
 381     DWORD aniso;
 382     struct gl_texture *gl_tex;
 383
 384     TRACE("texture %p, samplerStates %p\n", texture, samplerStates);
 385
 386     if (texture->baseTexture.is_srgb)
 387         gl_tex = &texture->baseTexture.texture_srgb;
 388     else
 389         gl_tex = &texture->baseTexture.texture_rgb;
 390
 391     /* This function relies on the correct texture being bound and loaded. */
 392
 393     if(samplerStates[WINED3DSAMP_ADDRESSU]      != gl_tex->states[WINED3DTEXSTA_ADDRESSU]) {
 394         state = samplerStates[WINED3DSAMP_ADDRESSU];
 395         apply_wrap(gl_info, textureDimensions, state, GL_TEXTURE_WRAP_S, cond_np2);
 396         gl_tex->states[WINED3DTEXSTA_ADDRESSU] = state;
 397     }
 398
 399     if(samplerStates[WINED3DSAMP_ADDRESSV]      != gl_tex->states[WINED3DTEXSTA_ADDRESSV]) {
 400         state = samplerStates[WINED3DSAMP_ADDRESSV];
 401         apply_wrap(gl_info, textureDimensions, state, GL_TEXTURE_WRAP_T, cond_np2);
 402         gl_tex->states[WINED3DTEXSTA_ADDRESSV] = state;
 403     }
 404
 405     if(samplerStates[WINED3DSAMP_ADDRESSW]      != gl_tex->states[WINED3DTEXSTA_ADDRESSW]) {
 406         state = samplerStates[WINED3DSAMP_ADDRESSW];
 407         apply_wrap(gl_info, textureDimensions, state, GL_TEXTURE_WRAP_R, cond_np2);
 408         gl_tex->states[WINED3DTEXSTA_ADDRESSW] = state;
 409     }
 410
 411     if(samplerStates[WINED3DSAMP_BORDERCOLOR]   != gl_tex->states[WINED3DTEXSTA_BORDERCOLOR]) {
 412         float col[4];
 413
 414         state = samplerStates[WINED3DSAMP_BORDERCOLOR];
 415         D3DCOLORTOGLFLOAT4(state, col);
 416         TRACE("Setting border color for %u to %x\n", textureDimensions, state);
 417         glTexParameterfv(textureDimensions, GL_TEXTURE_BORDER_COLOR, &col[0]);
 418         checkGLcall("glTexParameterfv(..., GL_TEXTURE_BORDER_COLOR, ...)");
 419         gl_tex->states[WINED3DTEXSTA_BORDERCOLOR] = state;
 420     }
 421
 422     if(samplerStates[WINED3DSAMP_MAGFILTER]     != gl_tex->states[WINED3DTEXSTA_MAGFILTER]) {
 423         GLint glValue;
 424         state = samplerStates[WINED3DSAMP_MAGFILTER];
 425         if (state > WINED3DTEXF_ANISOTROPIC) {
 426             FIXME("Unrecognized or unsupported MAGFILTER* value %d\n", state);
 427         }
 428
 429         glValue = wined3d_gl_mag_filter(texture->baseTexture.magLookup,
 430                 min(max(state, WINED3DTEXF_POINT), WINED3DTEXF_LINEAR));
 431         TRACE("ValueMAG=%d setting MAGFILTER to %x\n", state, glValue);
 432         glTexParameteri(textureDimensions, GL_TEXTURE_MAG_FILTER, glValue);
 433
 434         gl_tex->states[WINED3DTEXSTA_MAGFILTER] = state;
 435     }
 436
 437     if((samplerStates[WINED3DSAMP_MINFILTER]     != gl_tex->states[WINED3DTEXSTA_MINFILTER] ||
 438         samplerStates[WINED3DSAMP_MIPFILTER]     != gl_tex->states[WINED3DTEXSTA_MIPFILTER] ||
 439         samplerStates[WINED3DSAMP_MAXMIPLEVEL]   != gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL])) {
 440         GLint glValue;
 441
 442         gl_tex->states[WINED3DTEXSTA_MIPFILTER] = samplerStates[WINED3DSAMP_MIPFILTER];
 443         gl_tex->states[WINED3DTEXSTA_MINFILTER] = samplerStates[WINED3DSAMP_MINFILTER];
 444         gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] = samplerStates[WINED3DSAMP_MAXMIPLEVEL];
 445
 446         if (gl_tex->states[WINED3DTEXSTA_MINFILTER] > WINED3DTEXF_ANISOTROPIC
 447             || gl_tex->states[WINED3DTEXSTA_MIPFILTER] > WINED3DTEXF_ANISOTROPIC)
 448         {
 449
 450             FIXME("Unrecognized or unsupported D3DSAMP_MINFILTER value %d D3DSAMP_MIPFILTER value %d\n",
 451                   gl_tex->states[WINED3DTEXSTA_MINFILTER],
 452                   gl_tex->states[WINED3DTEXSTA_MIPFILTER]);
 453         }
 454         glValue = wined3d_gl_min_mip_filter(texture->baseTexture.minMipLookup,
 455                 min(max(samplerStates[WINED3DSAMP_MINFILTER], WINED3DTEXF_POINT), WINED3DTEXF_LINEAR),
 456                 min(max(samplerStates[WINED3DSAMP_MIPFILTER], WINED3DTEXF_NONE), WINED3DTEXF_LINEAR));
 457
 458         TRACE("ValueMIN=%d, ValueMIP=%d, setting MINFILTER to %x\n",
 459               samplerStates[WINED3DSAMP_MINFILTER],
 460               samplerStates[WINED3DSAMP_MIPFILTER], glValue);
 461         glTexParameteri(textureDimensions, GL_TEXTURE_MIN_FILTER, glValue);
 462         checkGLcall("glTexParameter GL_TEXTURE_MIN_FILTER, ...");
 463
 464         if (!cond_np2)
 465         {
 466             if (gl_tex->states[WINED3DTEXSTA_MIPFILTER] == WINED3DTEXF_NONE)
 467                 glValue = texture->baseTexture.LOD;
 468             else if (gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] >= texture->baseTexture.level_count)
 469                 glValue = texture->baseTexture.level_count - 1;
 470             else if (gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] < texture->baseTexture.LOD)
 471                 /* baseTexture.LOD is already clamped in the setter */
 472                 glValue = texture->baseTexture.LOD;
 473             else
 474                 glValue = gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL];
 475
 476             /* Note that D3DSAMP_MAXMIPLEVEL specifies the biggest mipmap(default 0), while
 477              * GL_TEXTURE_MAX_LEVEL specifies the smallest mimap used(default 1000).
 478              * So D3DSAMP_MAXMIPLEVEL is the same as GL_TEXTURE_BASE_LEVEL.
 479              */
 480             glTexParameteri(textureDimensions, GL_TEXTURE_BASE_LEVEL, glValue);
 481         }
 482     }
 483
 484     if ((gl_tex->states[WINED3DTEXSTA_MAGFILTER] != WINED3DTEXF_ANISOTROPIC
 485          && gl_tex->states[WINED3DTEXSTA_MINFILTER] != WINED3DTEXF_ANISOTROPIC
 486          && gl_tex->states[WINED3DTEXSTA_MIPFILTER] != WINED3DTEXF_ANISOTROPIC)
 487             || cond_np2)
 488     {
 489         aniso = 1;
 490     }
 491     else
 492     {
 493         aniso = samplerStates[WINED3DSAMP_MAXANISOTROPY];
 494     }
 495
 496     if (gl_tex->states[WINED3DTEXSTA_MAXANISOTROPY] != aniso)
 497     {
 498         if (gl_info->supported[EXT_TEXTURE_FILTER_ANISOTROPIC])
 499         {
 500             glTexParameteri(textureDimensions, GL_TEXTURE_MAX_ANISOTROPY_EXT, aniso);
 501             checkGLcall("glTexParameteri(GL_TEXTURE_MAX_ANISOTROPY_EXT, aniso)");
 502         }
 503         else
 504         {
 505             WARN("Anisotropic filtering not supported.\n");
 506         }
 507         gl_tex->states[WINED3DTEXSTA_MAXANISOTROPY] = aniso;
 508     }
 509
 510     if (!(texture->resource.format->flags & WINED3DFMT_FLAG_SHADOW)
 511             != !gl_tex->states[WINED3DTEXSTA_SHADOW])
 512     {
 513         if (texture->resource.format->flags & WINED3DFMT_FLAG_SHADOW)
 514         {
 515             glTexParameteri(textureDimensions, GL_DEPTH_TEXTURE_MODE_ARB, GL_LUMINANCE);
 516             glTexParameteri(textureDimensions, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB);
 517             checkGLcall("glTexParameteri(textureDimensions, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB)");
 518             gl_tex->states[WINED3DTEXSTA_SHADOW] = TRUE;
 519         }
 520         else
 521         {
 522             glTexParameteri(textureDimensions, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);
 523             checkGLcall("glTexParameteri(textureDimensions, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE)");
 524             gl_tex->states[WINED3DTEXSTA_SHADOW] = FALSE;
 525         }
 526     }
 527 }