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
  30 HRESULT basetexture_init(IWineD3DBaseTextureImpl *texture, UINT layer_count, UINT level_count,
  31         WINED3DRESOURCETYPE resource_type, IWineD3DDeviceImpl *device, UINT size, 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             size, 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(IWineD3DBaseTexture *iface)
  78 {
  79     basetexture_unload(iface);
  80     HeapFree(GetProcessHeap(), 0, ((IWineD3DBaseTextureImpl *)iface)->baseTexture.sub_resources);
  81     resource_cleanup((IWineD3DResource *)iface);
  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(IWineD3DBaseTexture *iface)
 107 {
 108     IWineD3DTextureImpl *This = (IWineD3DTextureImpl *)iface;
 109     IWineD3DDeviceImpl *device = This->resource.device;
 110     struct wined3d_context *context = NULL;
 111
 112     if (This->baseTexture.texture_rgb.name || This->baseTexture.texture_srgb.name)
 113     {
 114         context = context_acquire(device, NULL);
 115     }
 116
 117     if(This->baseTexture.texture_rgb.name) {
 118         gltexture_delete(&This->baseTexture.texture_rgb);
 119     }
 120     if(This->baseTexture.texture_srgb.name) {
 121         gltexture_delete(&This->baseTexture.texture_srgb);
 122     }
 123
 124     if (context) context_release(context);
 125
 126     This->baseTexture.texture_rgb.dirty = TRUE;
 127     This->baseTexture.texture_srgb.dirty = TRUE;
 128
 129     resource_unload((IWineD3DResourceImpl *)This);
 130 }
 131
 132 DWORD basetexture_set_lod(IWineD3DBaseTexture *iface, DWORD LODNew)
 133 {
 134     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 135     DWORD old = This->baseTexture.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      */
 140     if (This->resource.pool != WINED3DPOOL_MANAGED) {
 141         TRACE("Ignoring SetLOD on %s texture, returning 0\n", debug_d3dpool(This->resource.pool));
 142         return 0;
 143     }
 144
 145     if (LODNew >= This->baseTexture.level_count)
 146         LODNew = This->baseTexture.level_count - 1;
 147
 148     if(This->baseTexture.LOD != LODNew) {
 149         This->baseTexture.LOD = LODNew;
 150
 151         This->baseTexture.texture_rgb.states[WINED3DTEXSTA_MAXMIPLEVEL] = ~0U;
 152         This->baseTexture.texture_srgb.states[WINED3DTEXSTA_MAXMIPLEVEL] = ~0U;
 153         if(This->baseTexture.bindCount) {
 154             IWineD3DDeviceImpl_MarkStateDirty(This->resource.device, STATE_SAMPLER(This->baseTexture.sampler));
 155         }
 156     }
 157
 158     TRACE("(%p) : set LOD to %d\n", This, This->baseTexture.LOD);
 159
 160     return old;
 161 }
 162
 163 DWORD basetexture_get_lod(IWineD3DBaseTexture *iface)
 164 {
 165     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 166
 167     TRACE("(%p) : returning %d\n", This, This->baseTexture.LOD);
 168
 169     return This->baseTexture.LOD;
 170 }
 171
 172 DWORD basetexture_get_level_count(IWineD3DBaseTexture *iface)
 173 {
 174     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 175     TRACE("iface %p, returning %u.\n", iface, This->baseTexture.level_count);
 176     return This->baseTexture.level_count;
 177 }
 178
 179 HRESULT basetexture_set_autogen_filter_type(IWineD3DBaseTexture *iface, WINED3DTEXTUREFILTERTYPE FilterType)
 180 {
 181   IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 182   IWineD3DDeviceImpl *device = This->resource.device;
 183   GLenum textureDimensions = This->baseTexture.target;
 184
 185   if (!(This->resource.usage & WINED3DUSAGE_AUTOGENMIPMAP)) {
 186       TRACE("(%p) : returning invalid call\n", This);
 187       return WINED3DERR_INVALIDCALL;
 188   }
 189   if(This->baseTexture.filterType != FilterType) {
 190       /* What about multithreading? Do we want all the context overhead just to set this value?
 191        * Or should we delay the applying until the texture is used for drawing? For now, apply
 192        * immediately.
 193        */
 194       struct wined3d_context *context = context_acquire(device, NULL);
 195
 196       ENTER_GL();
 197       glBindTexture(textureDimensions, This->baseTexture.texture_rgb.name);
 198       checkGLcall("glBindTexture");
 199       switch(FilterType) {
 200           case WINED3DTEXF_NONE:
 201           case WINED3DTEXF_POINT:
 202               glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_FASTEST);
 203               checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_FASTEST)");
 204
 205               break;
 206           case WINED3DTEXF_LINEAR:
 207               glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST);
 208               checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST)");
 209
 210               break;
 211           default:
 212               WARN("Unexpected filter type %d, setting to GL_NICEST\n", FilterType);
 213               glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST);
 214               checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST)");
 215       }
 216       LEAVE_GL();
 217
 218       context_release(context);
 219   }
 220   This->baseTexture.filterType = FilterType;
 221   TRACE("(%p) :\n", This);
 222   return WINED3D_OK;
 223 }
 224
 225 WINED3DTEXTUREFILTERTYPE basetexture_get_autogen_filter_type(IWineD3DBaseTexture *iface)
 226 {
 227     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 228
 229     FIXME("(%p) : stub\n", This);
 230
 231     return This->baseTexture.filterType;
 232 }
 233
 234 void basetexture_generate_mipmaps(IWineD3DBaseTexture *iface)
 235 {
 236     /* TODO: Implement filters using GL_SGI_generate_mipmaps. */
 237     FIXME("iface %p stub!\n", iface);
 238 }
 239
 240 BOOL basetexture_set_dirty(IWineD3DBaseTexture *iface, BOOL dirty)
 241 {
 242     BOOL old;
 243     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 244     old = This->baseTexture.texture_rgb.dirty || This->baseTexture.texture_srgb.dirty;
 245     This->baseTexture.texture_rgb.dirty = dirty;
 246     This->baseTexture.texture_srgb.dirty = dirty;
 247     return old;
 248 }
 249
 250 BOOL basetexture_get_dirty(IWineD3DBaseTexture *iface)
 251 {
 252     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 253     return This->baseTexture.texture_rgb.dirty || This->baseTexture.texture_srgb.dirty;
 254 }
 255
 256 /* Context activation is done by the caller. */
 257 HRESULT basetexture_bind(IWineD3DBaseTexture *iface, BOOL srgb, BOOL *set_surface_desc)
 258 {
 259     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 260     HRESULT hr = WINED3D_OK;
 261     GLenum textureDimensions;
 262     BOOL isNewTexture = FALSE;
 263     struct gl_texture *gl_tex;
 264     TRACE("(%p) : About to bind texture\n", This);
 265
 266     This->baseTexture.is_srgb = srgb; /* SRGB mode cache for PreLoad calls outside drawprim */
 267     if(srgb) {
 268         gl_tex = &This->baseTexture.texture_srgb;
 269     } else {
 270         gl_tex = &This->baseTexture.texture_rgb;
 271     }
 272
 273     textureDimensions = This->baseTexture.target;
 274     ENTER_GL();
 275     /* Generate a texture name if we don't already have one */
 276     if (!gl_tex->name)
 277     {
 278         *set_surface_desc = TRUE;
 279         glGenTextures(1, &gl_tex->name);
 280         checkGLcall("glGenTextures");
 281         TRACE("Generated texture %d\n", gl_tex->name);
 282         if (This->resource.pool == WINED3DPOOL_DEFAULT) {
 283             /* Tell opengl to try and keep this texture in video ram (well mostly) */
 284             GLclampf tmp;
 285             tmp = 0.9f;
 286             glPrioritizeTextures(1, &gl_tex->name, &tmp);
 287
 288         }
 289         /* Initialise the state of the texture object
 290         to the openGL defaults, not the directx defaults */
 291         gl_tex->states[WINED3DTEXSTA_ADDRESSU]      = WINED3DTADDRESS_WRAP;
 292         gl_tex->states[WINED3DTEXSTA_ADDRESSV]      = WINED3DTADDRESS_WRAP;
 293         gl_tex->states[WINED3DTEXSTA_ADDRESSW]      = WINED3DTADDRESS_WRAP;
 294         gl_tex->states[WINED3DTEXSTA_BORDERCOLOR]   = 0;
 295         gl_tex->states[WINED3DTEXSTA_MAGFILTER]     = WINED3DTEXF_LINEAR;
 296         gl_tex->states[WINED3DTEXSTA_MINFILTER]     = WINED3DTEXF_POINT; /* GL_NEAREST_MIPMAP_LINEAR */
 297         gl_tex->states[WINED3DTEXSTA_MIPFILTER]     = WINED3DTEXF_LINEAR; /* GL_NEAREST_MIPMAP_LINEAR */
 298         gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL]   = 0;
 299         gl_tex->states[WINED3DTEXSTA_MAXANISOTROPY] = 1;
 300         gl_tex->states[WINED3DTEXSTA_SRGBTEXTURE]   = 0;
 301         gl_tex->states[WINED3DTEXSTA_SHADOW]        = FALSE;
 302         IWineD3DBaseTexture_SetDirty(iface, TRUE);
 303         isNewTexture = TRUE;
 304
 305         if(This->resource.usage & WINED3DUSAGE_AUTOGENMIPMAP) {
 306             /* This means double binding the texture at creation, but keeps the code simpler all
 307              * in all, and the run-time path free from additional checks
 308              */
 309             glBindTexture(textureDimensions, gl_tex->name);
 310             checkGLcall("glBindTexture");
 311             glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_SGIS, GL_TRUE);
 312             checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_SGIS, GL_TRUE)");
 313         }
 314     } else {
 315         *set_surface_desc = FALSE;
 316     }
 317
 318     /* Bind the texture */
 319     if (gl_tex->name)
 320     {
 321         glBindTexture(textureDimensions, gl_tex->name);
 322         checkGLcall("glBindTexture");
 323         if (isNewTexture) {
 324             /* For a new texture we have to set the textures levels after binding the texture.
 325              * In theory this is all we should ever have to do, but because ATI's drivers are broken, we
 326              * also need to set the texture dimensions before the texture is set
 327              * Beware that texture rectangles do not support mipmapping, but set the maxmiplevel if we're
 328              * relying on the partial GL_ARB_texture_non_power_of_two emulation with texture rectangles
 329              * (ie, do not care for cond_np2 here, just look for GL_TEXTURE_RECTANGLE_ARB)
 330              */
 331             if (textureDimensions != GL_TEXTURE_RECTANGLE_ARB)
 332             {
 333                 TRACE("Setting GL_TEXTURE_MAX_LEVEL to %u.\n", This->baseTexture.level_count - 1);
 334                 glTexParameteri(textureDimensions, GL_TEXTURE_MAX_LEVEL, This->baseTexture.level_count - 1);
 335                 checkGLcall("glTexParameteri(textureDimensions, GL_TEXTURE_MAX_LEVEL, This->baseTexture.level_count)");
 336             }
 337             if(textureDimensions==GL_TEXTURE_CUBE_MAP_ARB) {
 338                 /* Cubemaps are always set to clamp, regardless of the sampler state. */
 339                 glTexParameteri(textureDimensions, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
 340                 glTexParameteri(textureDimensions, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 341                 glTexParameteri(textureDimensions, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
 342             }
 343         }
 344     } else { /* this only happened if we've run out of openGL textures */
 345         WARN("This texture doesn't have an openGL texture assigned to it\n");
 346         hr =  WINED3DERR_INVALIDCALL;
 347     }
 348
 349     LEAVE_GL();
 350     return hr;
 351 }
 352
 353 /* GL locking is done by the caller */
 354 static void apply_wrap(const struct wined3d_gl_info *gl_info, GLenum target,
 355         WINED3DTEXTUREADDRESS d3d_wrap, GLenum param, BOOL cond_np2)
 356 {
 357     GLint gl_wrap;
 358
 359     if (d3d_wrap < WINED3DTADDRESS_WRAP || d3d_wrap > WINED3DTADDRESS_MIRRORONCE)
 360     {
 361         FIXME("Unrecognized or unsupported WINED3DTEXTUREADDRESS %#x.\n", d3d_wrap);
 362         return;
 363     }
 364
 365     if (target == GL_TEXTURE_CUBE_MAP_ARB
 366             || (cond_np2 && d3d_wrap == WINED3DTADDRESS_WRAP))
 367     {
 368         /* Cubemaps are always set to clamp, regardless of the sampler state. */
 369         gl_wrap = GL_CLAMP_TO_EDGE;
 370     }
 371     else
 372     {
 373         gl_wrap = gl_info->wrap_lookup[d3d_wrap - WINED3DTADDRESS_WRAP];
 374     }
 375
 376     TRACE("Setting param %#x to %#x for target %#x.\n", param, gl_wrap, target);
 377     glTexParameteri(target, param, gl_wrap);
 378     checkGLcall("glTexParameteri(target, param, gl_wrap)");
 379 }
 380
 381 /* GL locking is done by the caller (state handler) */
 382 void basetexture_apply_state_changes(IWineD3DBaseTexture *iface,
 383         const DWORD samplerStates[WINED3D_HIGHEST_SAMPLER_STATE + 1],
 384         const struct wined3d_gl_info *gl_info)
 385 {
 386     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 387     GLenum textureDimensions = This->baseTexture.target;
 388     DWORD state;
 389     BOOL cond_np2 = IWineD3DBaseTexture_IsCondNP2(iface);
 390     DWORD aniso;
 391     struct gl_texture *gl_tex;
 392
 393     TRACE("iface %p, samplerStates %p\n", iface, samplerStates);
 394
 395     if(This->baseTexture.is_srgb) {
 396         gl_tex = &This->baseTexture.texture_srgb;
 397     } else {
 398         gl_tex = &This->baseTexture.texture_rgb;
 399     }
 400
 401     /* This function relies on the correct texture being bound and loaded. */
 402
 403     if(samplerStates[WINED3DSAMP_ADDRESSU]      != gl_tex->states[WINED3DTEXSTA_ADDRESSU]) {
 404         state = samplerStates[WINED3DSAMP_ADDRESSU];
 405         apply_wrap(gl_info, textureDimensions, state, GL_TEXTURE_WRAP_S, cond_np2);
 406         gl_tex->states[WINED3DTEXSTA_ADDRESSU] = state;
 407     }
 408
 409     if(samplerStates[WINED3DSAMP_ADDRESSV]      != gl_tex->states[WINED3DTEXSTA_ADDRESSV]) {
 410         state = samplerStates[WINED3DSAMP_ADDRESSV];
 411         apply_wrap(gl_info, textureDimensions, state, GL_TEXTURE_WRAP_T, cond_np2);
 412         gl_tex->states[WINED3DTEXSTA_ADDRESSV] = state;
 413     }
 414
 415     if(samplerStates[WINED3DSAMP_ADDRESSW]      != gl_tex->states[WINED3DTEXSTA_ADDRESSW]) {
 416         state = samplerStates[WINED3DSAMP_ADDRESSW];
 417         apply_wrap(gl_info, textureDimensions, state, GL_TEXTURE_WRAP_R, cond_np2);
 418         gl_tex->states[WINED3DTEXSTA_ADDRESSW] = state;
 419     }
 420
 421     if(samplerStates[WINED3DSAMP_BORDERCOLOR]   != gl_tex->states[WINED3DTEXSTA_BORDERCOLOR]) {
 422         float col[4];
 423
 424         state = samplerStates[WINED3DSAMP_BORDERCOLOR];
 425         D3DCOLORTOGLFLOAT4(state, col);
 426         TRACE("Setting border color for %u to %x\n", textureDimensions, state);
 427         glTexParameterfv(textureDimensions, GL_TEXTURE_BORDER_COLOR, &col[0]);
 428         checkGLcall("glTexParameteri(..., GL_TEXTURE_BORDER_COLOR, ...)");
 429         gl_tex->states[WINED3DTEXSTA_BORDERCOLOR] = state;
 430     }
 431
 432     if(samplerStates[WINED3DSAMP_MAGFILTER]     != gl_tex->states[WINED3DTEXSTA_MAGFILTER]) {
 433         GLint glValue;
 434         state = samplerStates[WINED3DSAMP_MAGFILTER];
 435         if (state > WINED3DTEXF_ANISOTROPIC) {
 436             FIXME("Unrecognized or unsupported MAGFILTER* value %d\n", state);
 437         }
 438
 439         glValue = wined3d_gl_mag_filter(This->baseTexture.magLookup,
 440                 min(max(state, WINED3DTEXF_POINT), WINED3DTEXF_LINEAR));
 441         TRACE("ValueMAG=%d setting MAGFILTER to %x\n", state, glValue);
 442         glTexParameteri(textureDimensions, GL_TEXTURE_MAG_FILTER, glValue);
 443
 444         gl_tex->states[WINED3DTEXSTA_MAGFILTER] = state;
 445     }
 446
 447     if((samplerStates[WINED3DSAMP_MINFILTER]     != gl_tex->states[WINED3DTEXSTA_MINFILTER] ||
 448         samplerStates[WINED3DSAMP_MIPFILTER]     != gl_tex->states[WINED3DTEXSTA_MIPFILTER] ||
 449         samplerStates[WINED3DSAMP_MAXMIPLEVEL]   != gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL])) {
 450         GLint glValue;
 451
 452         gl_tex->states[WINED3DTEXSTA_MIPFILTER] = samplerStates[WINED3DSAMP_MIPFILTER];
 453         gl_tex->states[WINED3DTEXSTA_MINFILTER] = samplerStates[WINED3DSAMP_MINFILTER];
 454         gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] = samplerStates[WINED3DSAMP_MAXMIPLEVEL];
 455
 456         if (gl_tex->states[WINED3DTEXSTA_MINFILTER] > WINED3DTEXF_ANISOTROPIC
 457             || gl_tex->states[WINED3DTEXSTA_MIPFILTER] > WINED3DTEXF_ANISOTROPIC)
 458         {
 459
 460             FIXME("Unrecognized or unsupported D3DSAMP_MINFILTER value %d D3DSAMP_MIPFILTER value %d\n",
 461                   gl_tex->states[WINED3DTEXSTA_MINFILTER],
 462                   gl_tex->states[WINED3DTEXSTA_MIPFILTER]);
 463         }
 464         glValue = wined3d_gl_min_mip_filter(This->baseTexture.minMipLookup,
 465                 min(max(samplerStates[WINED3DSAMP_MINFILTER], WINED3DTEXF_POINT), WINED3DTEXF_LINEAR),
 466                 min(max(samplerStates[WINED3DSAMP_MIPFILTER], WINED3DTEXF_NONE), WINED3DTEXF_LINEAR));
 467
 468         TRACE("ValueMIN=%d, ValueMIP=%d, setting MINFILTER to %x\n",
 469               samplerStates[WINED3DSAMP_MINFILTER],
 470               samplerStates[WINED3DSAMP_MIPFILTER], glValue);
 471         glTexParameteri(textureDimensions, GL_TEXTURE_MIN_FILTER, glValue);
 472         checkGLcall("glTexParameter GL_TEXTURE_MIN_FILTER, ...");
 473
 474         if (!cond_np2)
 475         {
 476             if (gl_tex->states[WINED3DTEXSTA_MIPFILTER] == WINED3DTEXF_NONE)
 477                 glValue = This->baseTexture.LOD;
 478             else if (gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] >= This->baseTexture.level_count)
 479                 glValue = This->baseTexture.level_count - 1;
 480             else if (gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] < This->baseTexture.LOD)
 481                 /* baseTexture.LOD is already clamped in the setter */
 482                 glValue = This->baseTexture.LOD;
 483             else
 484                 glValue = gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL];
 485
 486             /* Note that D3DSAMP_MAXMIPLEVEL specifies the biggest mipmap(default 0), while
 487              * GL_TEXTURE_MAX_LEVEL specifies the smallest mimap used(default 1000).
 488              * So D3DSAMP_MAXMIPLEVEL is the same as GL_TEXTURE_BASE_LEVEL.
 489              */
 490             glTexParameteri(textureDimensions, GL_TEXTURE_BASE_LEVEL, glValue);
 491         }
 492     }
 493
 494     if ((gl_tex->states[WINED3DTEXSTA_MAGFILTER] != WINED3DTEXF_ANISOTROPIC
 495          && gl_tex->states[WINED3DTEXSTA_MINFILTER] != WINED3DTEXF_ANISOTROPIC
 496          && gl_tex->states[WINED3DTEXSTA_MIPFILTER] != WINED3DTEXF_ANISOTROPIC)
 497             || cond_np2)
 498     {
 499         aniso = 1;
 500     }
 501     else
 502     {
 503         aniso = samplerStates[WINED3DSAMP_MAXANISOTROPY];
 504     }
 505
 506     if (gl_tex->states[WINED3DTEXSTA_MAXANISOTROPY] != aniso)
 507     {
 508         if (gl_info->supported[EXT_TEXTURE_FILTER_ANISOTROPIC])
 509         {
 510             glTexParameteri(textureDimensions, GL_TEXTURE_MAX_ANISOTROPY_EXT, aniso);
 511             checkGLcall("glTexParameteri(GL_TEXTURE_MAX_ANISOTROPY_EXT, aniso)");
 512         }
 513         else
 514         {
 515             WARN("Anisotropic filtering not supported.\n");
 516         }
 517         gl_tex->states[WINED3DTEXSTA_MAXANISOTROPY] = aniso;
 518     }
 519
 520     if (!(This->resource.format->Flags & WINED3DFMT_FLAG_SHADOW)
 521             != !gl_tex->states[WINED3DTEXSTA_SHADOW])
 522     {
 523         if (This->resource.format->Flags & WINED3DFMT_FLAG_SHADOW)
 524         {
 525             glTexParameteri(textureDimensions, GL_DEPTH_TEXTURE_MODE_ARB, GL_LUMINANCE);
 526             glTexParameteri(textureDimensions, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB);
 527             checkGLcall("glTexParameteri(textureDimensions, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB)");
 528             gl_tex->states[WINED3DTEXSTA_SHADOW] = TRUE;
 529         }
 530         else
 531         {
 532             glTexParameteri(textureDimensions, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);
 533             checkGLcall("glTexParameteri(textureDimensions, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE)");
 534             gl_tex->states[WINED3DTEXSTA_SHADOW] = FALSE;
 535         }
 536     }
 537 }