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, UINT layer_count, UINT level_count,
  31         WINED3DRESOURCETYPE resource_type, IWineD3DDeviceImpl *device, DWORD usage,
  32         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((IWineD3DResource *)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.sub_resources = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
  46             level_count * layer_count * sizeof(*texture->baseTexture.sub_resources));
  47     if (!texture->baseTexture.sub_resources)
  48     {
  49         ERR("Failed to allocate sub-resource array.\n");
  50         resource_cleanup((IWineD3DResource *)texture);
  51         return E_OUTOFMEMORY;
  52     }
  53
  54     texture->baseTexture.layer_count = layer_count;
  55     texture->baseTexture.level_count = level_count;
  56     texture->baseTexture.filterType = (usage & WINED3DUSAGE_AUTOGENMIPMAP) ? WINED3DTEXF_LINEAR : WINED3DTEXF_NONE;
  57     texture->baseTexture.LOD = 0;
  58     texture->baseTexture.texture_rgb.dirty = TRUE;
  59     texture->baseTexture.texture_srgb.dirty = TRUE;
  60     texture->baseTexture.is_srgb = FALSE;
  61     texture->baseTexture.pow2Matrix_identity = TRUE;
  62
  63     if (texture->resource.format->flags & WINED3DFMT_FLAG_FILTERING)
  64     {
  65         texture->baseTexture.minMipLookup = minMipLookup;
  66         texture->baseTexture.magLookup = magLookup;
  67     }
  68     else
  69     {
  70         texture->baseTexture.minMipLookup = minMipLookup_noFilter;
  71         texture->baseTexture.magLookup = magLookup_noFilter;
  72     }
  73
  74     return WINED3D_OK;
  75 }
  76
  77 void basetexture_cleanup(IWineD3DBaseTextureImpl *texture)
  78 {
  79     basetexture_unload(texture);
  80     HeapFree(GetProcessHeap(), 0, texture->baseTexture.sub_resources);
  81     resource_cleanup((IWineD3DResource *)texture);
  82 }
  83
  84 IWineD3DResourceImpl *basetexture_get_sub_resource(IWineD3DBaseTextureImpl *texture, UINT sub_resource_idx)
  85 {
  86     UINT sub_count = texture->baseTexture.level_count * texture->baseTexture.layer_count;
  87
  88     if (sub_resource_idx >= sub_count)
  89     {
  90         WARN("sub_resource_idx %u >= sub_count %u.\n", sub_resource_idx, sub_count);
  91         return NULL;
  92     }
  93
  94     return texture->baseTexture.sub_resources[sub_resource_idx];
  95 }
  96
  97 /* A GL context is provided by the caller */
  98 static void gltexture_delete(struct gl_texture *tex)
  99 {
 100     ENTER_GL();
 101     glDeleteTextures(1, &tex->name);
 102     LEAVE_GL();
 103     tex->name = 0;
 104 }
 105
 106 void basetexture_unload(IWineD3DBaseTextureImpl *texture)
 107 {
 108     IWineD3DDeviceImpl *device = texture->resource.device;
 109     struct wined3d_context *context = NULL;
 110
 111     if (texture->baseTexture.texture_rgb.name || texture->baseTexture.texture_srgb.name)
 112     {
 113         context = context_acquire(device, NULL);
 114     }
 115
 116     if (texture->baseTexture.texture_rgb.name)
 117         gltexture_delete(&texture->baseTexture.texture_rgb);
 118
 119     if (texture->baseTexture.texture_srgb.name)
 120         gltexture_delete(&texture->baseTexture.texture_srgb);
 121
 122     if (context) context_release(context);
 123
 124     texture->baseTexture.texture_rgb.dirty = TRUE;
 125     texture->baseTexture.texture_srgb.dirty = TRUE;
 126
 127     resource_unload((IWineD3DResourceImpl *)texture);
 128 }
 129
 130 DWORD basetexture_set_lod(IWineD3DBaseTexture *iface, DWORD LODNew)
 131 {
 132     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 133     DWORD old = This->baseTexture.LOD;
 134
 135     /* The d3d9:texture test shows that SetLOD is ignored on non-managed
 136      * textures. The call always returns 0, and GetLOD always returns 0
 137      */
 138     if (This->resource.pool != WINED3DPOOL_MANAGED) {
 139         TRACE("Ignoring SetLOD on %s texture, returning 0\n", debug_d3dpool(This->resource.pool));
 140         return 0;
 141     }
 142
 143     if (LODNew >= This->baseTexture.level_count)
 144         LODNew = This->baseTexture.level_count - 1;
 145
 146     if(This->baseTexture.LOD != LODNew) {
 147         This->baseTexture.LOD = LODNew;
 148
 149         This->baseTexture.texture_rgb.states[WINED3DTEXSTA_MAXMIPLEVEL] = ~0U;
 150         This->baseTexture.texture_srgb.states[WINED3DTEXSTA_MAXMIPLEVEL] = ~0U;
 151         if(This->baseTexture.bindCount) {
 152             IWineD3DDeviceImpl_MarkStateDirty(This->resource.device, STATE_SAMPLER(This->baseTexture.sampler));
 153         }
 154     }
 155
 156     TRACE("(%p) : set LOD to %d\n", This, This->baseTexture.LOD);
 157
 158     return old;
 159 }
 160
 161 DWORD basetexture_get_lod(IWineD3DBaseTexture *iface)
 162 {
 163     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 164
 165     TRACE("(%p) : returning %d\n", This, This->baseTexture.LOD);
 166
 167     return This->baseTexture.LOD;
 168 }
 169
 170 DWORD basetexture_get_level_count(IWineD3DBaseTextureImpl *texture)
 171 {
 172     TRACE("texture %p, returning %u.\n", texture, texture->baseTexture.level_count);
 173     return texture->baseTexture.level_count;
 174 }
 175
 176 HRESULT basetexture_set_autogen_filter_type(IWineD3DBaseTexture *iface, WINED3DTEXTUREFILTERTYPE FilterType)
 177 {
 178   IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 179   IWineD3DDeviceImpl *device = This->resource.device;
 180   GLenum textureDimensions = This->baseTexture.target;
 181
 182   if (!(This->resource.usage & WINED3DUSAGE_AUTOGENMIPMAP)) {
 183       TRACE("(%p) : returning invalid call\n", This);
 184       return WINED3DERR_INVALIDCALL;
 185   }
 186   if(This->baseTexture.filterType != FilterType) {
 187       /* What about multithreading? Do we want all the context overhead just to set this value?
 188        * Or should we delay the applying until the texture is used for drawing? For now, apply
 189        * immediately.
 190        */
 191       struct wined3d_context *context = context_acquire(device, NULL);
 192
 193       ENTER_GL();
 194       glBindTexture(textureDimensions, This->baseTexture.texture_rgb.name);
 195       checkGLcall("glBindTexture");
 196       switch(FilterType) {
 197           case WINED3DTEXF_NONE:
 198           case WINED3DTEXF_POINT:
 199               glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_FASTEST);
 200               checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_FASTEST)");
 201
 202               break;
 203           case WINED3DTEXF_LINEAR:
 204               glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST);
 205               checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST)");
 206
 207               break;
 208           default:
 209               WARN("Unexpected filter type %d, setting to GL_NICEST\n", FilterType);
 210               glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST);
 211               checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST)");
 212       }
 213       LEAVE_GL();
 214
 215       context_release(context);
 216   }
 217   This->baseTexture.filterType = FilterType;
 218   TRACE("(%p) :\n", This);
 219   return WINED3D_OK;
 220 }
 221
 222 WINED3DTEXTUREFILTERTYPE basetexture_get_autogen_filter_type(IWineD3DBaseTexture *iface)
 223 {
 224     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 225
 226     FIXME("(%p) : stub\n", This);
 227
 228     return This->baseTexture.filterType;
 229 }
 230
 231 void basetexture_generate_mipmaps(IWineD3DBaseTexture *iface)
 232 {
 233     /* TODO: Implement filters using GL_SGI_generate_mipmaps. */
 234     FIXME("iface %p stub!\n", iface);
 235 }
 236
 237 BOOL basetexture_set_dirty(IWineD3DBaseTextureImpl *texture, BOOL dirty)
 238 {
 239     BOOL old;
 240
 241     old = texture->baseTexture.texture_rgb.dirty || texture->baseTexture.texture_srgb.dirty;
 242     texture->baseTexture.texture_rgb.dirty = dirty;
 243     texture->baseTexture.texture_srgb.dirty = dirty;
 244
 245     return old;
 246 }
 247
 248 /* Context activation is done by the caller. */
 249 HRESULT basetexture_bind(IWineD3DBaseTexture *iface, BOOL srgb, BOOL *set_surface_desc)
 250 {
 251     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 252     HRESULT hr = WINED3D_OK;
 253     GLenum textureDimensions;
 254     BOOL isNewTexture = FALSE;
 255     struct gl_texture *gl_tex;
 256     TRACE("(%p) : About to bind texture\n", This);
 257
 258     This->baseTexture.is_srgb = srgb; /* SRGB mode cache for PreLoad calls outside drawprim */
 259     if(srgb) {
 260         gl_tex = &This->baseTexture.texture_srgb;
 261     } else {
 262         gl_tex = &This->baseTexture.texture_rgb;
 263     }
 264
 265     textureDimensions = This->baseTexture.target;
 266     ENTER_GL();
 267     /* Generate a texture name if we don't already have one */
 268     if (!gl_tex->name)
 269     {
 270         *set_surface_desc = TRUE;
 271         glGenTextures(1, &gl_tex->name);
 272         checkGLcall("glGenTextures");
 273         TRACE("Generated texture %d\n", gl_tex->name);
 274         if (This->resource.pool == WINED3DPOOL_DEFAULT) {
 275             /* Tell opengl to try and keep this texture in video ram (well mostly) */
 276             GLclampf tmp;
 277             tmp = 0.9f;
 278             glPrioritizeTextures(1, &gl_tex->name, &tmp);
 279
 280         }
 281         /* Initialise the state of the texture object
 282         to the openGL defaults, not the directx defaults */
 283         gl_tex->states[WINED3DTEXSTA_ADDRESSU]      = WINED3DTADDRESS_WRAP;
 284         gl_tex->states[WINED3DTEXSTA_ADDRESSV]      = WINED3DTADDRESS_WRAP;
 285         gl_tex->states[WINED3DTEXSTA_ADDRESSW]      = WINED3DTADDRESS_WRAP;
 286         gl_tex->states[WINED3DTEXSTA_BORDERCOLOR]   = 0;
 287         gl_tex->states[WINED3DTEXSTA_MAGFILTER]     = WINED3DTEXF_LINEAR;
 288         gl_tex->states[WINED3DTEXSTA_MINFILTER]     = WINED3DTEXF_POINT; /* GL_NEAREST_MIPMAP_LINEAR */
 289         gl_tex->states[WINED3DTEXSTA_MIPFILTER]     = WINED3DTEXF_LINEAR; /* GL_NEAREST_MIPMAP_LINEAR */
 290         gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL]   = 0;
 291         gl_tex->states[WINED3DTEXSTA_MAXANISOTROPY] = 1;
 292         gl_tex->states[WINED3DTEXSTA_SRGBTEXTURE]   = 0;
 293         gl_tex->states[WINED3DTEXSTA_SHADOW]        = FALSE;
 294         basetexture_set_dirty(This, TRUE);
 295         isNewTexture = TRUE;
 296
 297         if(This->resource.usage & WINED3DUSAGE_AUTOGENMIPMAP) {
 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", This->baseTexture.level_count - 1);
 326                 glTexParameteri(textureDimensions, GL_TEXTURE_MAX_LEVEL, This->baseTexture.level_count - 1);
 327                 checkGLcall("glTexParameteri(textureDimensions, GL_TEXTURE_MAX_LEVEL, This->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(IWineD3DBaseTexture *iface,
 375         const DWORD samplerStates[WINED3D_HIGHEST_SAMPLER_STATE + 1],
 376         const struct wined3d_gl_info *gl_info)
 377 {
 378     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 379     GLenum textureDimensions = This->baseTexture.target;
 380     DWORD state;
 381     BOOL cond_np2 = IWineD3DBaseTexture_IsCondNP2(iface);
 382     DWORD aniso;
 383     struct gl_texture *gl_tex;
 384
 385     TRACE("iface %p, samplerStates %p\n", iface, samplerStates);
 386
 387     if(This->baseTexture.is_srgb) {
 388         gl_tex = &This->baseTexture.texture_srgb;
 389     } else {
 390         gl_tex = &This->baseTexture.texture_rgb;
 391     }
 392
 393     /* This function relies on the correct texture being bound and loaded. */
 394
 395     if(samplerStates[WINED3DSAMP_ADDRESSU]      != gl_tex->states[WINED3DTEXSTA_ADDRESSU]) {
 396         state = samplerStates[WINED3DSAMP_ADDRESSU];
 397         apply_wrap(gl_info, textureDimensions, state, GL_TEXTURE_WRAP_S, cond_np2);
 398         gl_tex->states[WINED3DTEXSTA_ADDRESSU] = state;
 399     }
 400
 401     if(samplerStates[WINED3DSAMP_ADDRESSV]      != gl_tex->states[WINED3DTEXSTA_ADDRESSV]) {
 402         state = samplerStates[WINED3DSAMP_ADDRESSV];
 403         apply_wrap(gl_info, textureDimensions, state, GL_TEXTURE_WRAP_T, cond_np2);
 404         gl_tex->states[WINED3DTEXSTA_ADDRESSV] = state;
 405     }
 406
 407     if(samplerStates[WINED3DSAMP_ADDRESSW]      != gl_tex->states[WINED3DTEXSTA_ADDRESSW]) {
 408         state = samplerStates[WINED3DSAMP_ADDRESSW];
 409         apply_wrap(gl_info, textureDimensions, state, GL_TEXTURE_WRAP_R, cond_np2);
 410         gl_tex->states[WINED3DTEXSTA_ADDRESSW] = state;
 411     }
 412
 413     if(samplerStates[WINED3DSAMP_BORDERCOLOR]   != gl_tex->states[WINED3DTEXSTA_BORDERCOLOR]) {
 414         float col[4];
 415
 416         state = samplerStates[WINED3DSAMP_BORDERCOLOR];
 417         D3DCOLORTOGLFLOAT4(state, col);
 418         TRACE("Setting border color for %u to %x\n", textureDimensions, state);
 419         glTexParameterfv(textureDimensions, GL_TEXTURE_BORDER_COLOR, &col[0]);
 420         checkGLcall("glTexParameterfv(..., GL_TEXTURE_BORDER_COLOR, ...)");
 421         gl_tex->states[WINED3DTEXSTA_BORDERCOLOR] = state;
 422     }
 423
 424     if(samplerStates[WINED3DSAMP_MAGFILTER]     != gl_tex->states[WINED3DTEXSTA_MAGFILTER]) {
 425         GLint glValue;
 426         state = samplerStates[WINED3DSAMP_MAGFILTER];
 427         if (state > WINED3DTEXF_ANISOTROPIC) {
 428             FIXME("Unrecognized or unsupported MAGFILTER* value %d\n", state);
 429         }
 430
 431         glValue = wined3d_gl_mag_filter(This->baseTexture.magLookup,
 432                 min(max(state, WINED3DTEXF_POINT), WINED3DTEXF_LINEAR));
 433         TRACE("ValueMAG=%d setting MAGFILTER to %x\n", state, glValue);
 434         glTexParameteri(textureDimensions, GL_TEXTURE_MAG_FILTER, glValue);
 435
 436         gl_tex->states[WINED3DTEXSTA_MAGFILTER] = state;
 437     }
 438
 439     if((samplerStates[WINED3DSAMP_MINFILTER]     != gl_tex->states[WINED3DTEXSTA_MINFILTER] ||
 440         samplerStates[WINED3DSAMP_MIPFILTER]     != gl_tex->states[WINED3DTEXSTA_MIPFILTER] ||
 441         samplerStates[WINED3DSAMP_MAXMIPLEVEL]   != gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL])) {
 442         GLint glValue;
 443
 444         gl_tex->states[WINED3DTEXSTA_MIPFILTER] = samplerStates[WINED3DSAMP_MIPFILTER];
 445         gl_tex->states[WINED3DTEXSTA_MINFILTER] = samplerStates[WINED3DSAMP_MINFILTER];
 446         gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] = samplerStates[WINED3DSAMP_MAXMIPLEVEL];
 447
 448         if (gl_tex->states[WINED3DTEXSTA_MINFILTER] > WINED3DTEXF_ANISOTROPIC
 449             || gl_tex->states[WINED3DTEXSTA_MIPFILTER] > WINED3DTEXF_ANISOTROPIC)
 450         {
 451
 452             FIXME("Unrecognized or unsupported D3DSAMP_MINFILTER value %d D3DSAMP_MIPFILTER value %d\n",
 453                   gl_tex->states[WINED3DTEXSTA_MINFILTER],
 454                   gl_tex->states[WINED3DTEXSTA_MIPFILTER]);
 455         }
 456         glValue = wined3d_gl_min_mip_filter(This->baseTexture.minMipLookup,
 457                 min(max(samplerStates[WINED3DSAMP_MINFILTER], WINED3DTEXF_POINT), WINED3DTEXF_LINEAR),
 458                 min(max(samplerStates[WINED3DSAMP_MIPFILTER], WINED3DTEXF_NONE), WINED3DTEXF_LINEAR));
 459
 460         TRACE("ValueMIN=%d, ValueMIP=%d, setting MINFILTER to %x\n",
 461               samplerStates[WINED3DSAMP_MINFILTER],
 462               samplerStates[WINED3DSAMP_MIPFILTER], glValue);
 463         glTexParameteri(textureDimensions, GL_TEXTURE_MIN_FILTER, glValue);
 464         checkGLcall("glTexParameter GL_TEXTURE_MIN_FILTER, ...");
 465
 466         if (!cond_np2)
 467         {
 468             if (gl_tex->states[WINED3DTEXSTA_MIPFILTER] == WINED3DTEXF_NONE)
 469                 glValue = This->baseTexture.LOD;
 470             else if (gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] >= This->baseTexture.level_count)
 471                 glValue = This->baseTexture.level_count - 1;
 472             else if (gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] < This->baseTexture.LOD)
 473                 /* baseTexture.LOD is already clamped in the setter */
 474                 glValue = This->baseTexture.LOD;
 475             else
 476                 glValue = gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL];
 477
 478             /* Note that D3DSAMP_MAXMIPLEVEL specifies the biggest mipmap(default 0), while
 479              * GL_TEXTURE_MAX_LEVEL specifies the smallest mimap used(default 1000).
 480              * So D3DSAMP_MAXMIPLEVEL is the same as GL_TEXTURE_BASE_LEVEL.
 481              */
 482             glTexParameteri(textureDimensions, GL_TEXTURE_BASE_LEVEL, glValue);
 483         }
 484     }
 485
 486     if ((gl_tex->states[WINED3DTEXSTA_MAGFILTER] != WINED3DTEXF_ANISOTROPIC
 487          && gl_tex->states[WINED3DTEXSTA_MINFILTER] != WINED3DTEXF_ANISOTROPIC
 488          && gl_tex->states[WINED3DTEXSTA_MIPFILTER] != WINED3DTEXF_ANISOTROPIC)
 489             || cond_np2)
 490     {
 491         aniso = 1;
 492     }
 493     else
 494     {
 495         aniso = samplerStates[WINED3DSAMP_MAXANISOTROPY];
 496     }
 497
 498     if (gl_tex->states[WINED3DTEXSTA_MAXANISOTROPY] != aniso)
 499     {
 500         if (gl_info->supported[EXT_TEXTURE_FILTER_ANISOTROPIC])
 501         {
 502             glTexParameteri(textureDimensions, GL_TEXTURE_MAX_ANISOTROPY_EXT, aniso);
 503             checkGLcall("glTexParameteri(GL_TEXTURE_MAX_ANISOTROPY_EXT, aniso)");
 504         }
 505         else
 506         {
 507             WARN("Anisotropic filtering not supported.\n");
 508         }
 509         gl_tex->states[WINED3DTEXSTA_MAXANISOTROPY] = aniso;
 510     }
 511
 512     if (!(This->resource.format->flags & WINED3DFMT_FLAG_SHADOW)
 513             != !gl_tex->states[WINED3DTEXSTA_SHADOW])
 514     {
 515         if (This->resource.format->flags & WINED3DFMT_FLAG_SHADOW)
 516         {
 517             glTexParameteri(textureDimensions, GL_DEPTH_TEXTURE_MODE_ARB, GL_LUMINANCE);
 518             glTexParameteri(textureDimensions, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB);
 519             checkGLcall("glTexParameteri(textureDimensions, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB)");
 520             gl_tex->states[WINED3DTEXSTA_SHADOW] = TRUE;
 521         }
 522         else
 523         {
 524             glTexParameteri(textureDimensions, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);
 525             checkGLcall("glTexParameteri(textureDimensions, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE)");
 526             gl_tex->states[WINED3DTEXSTA_SHADOW] = FALSE;
 527         }
 528     }
 529 }