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_desc *format_desc, WINED3DPOOL pool, IUnknown *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_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.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_desc->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 layer, UINT level)
  85 {
  86     if (layer >= texture->baseTexture.layer_count)
  87     {
  88         WARN("layer %u >= layer_count %u.\n", layer, texture->baseTexture.layer_count);
  89         return NULL;
  90     }
  91
  92     if (level >= texture->baseTexture.level_count)
  93     {
  94         WARN("level %u >= level_count %u.\n", level, texture->baseTexture.level_count);
  95         return NULL;
  96     }
  97
  98     return texture->baseTexture.sub_resources[layer * texture->baseTexture.level_count + level];
  99 }
 100
 101 /* A GL context is provided by the caller */
 102 static void gltexture_delete(struct gl_texture *tex)
 103 {
 104     ENTER_GL();
 105     glDeleteTextures(1, &tex->name);
 106     LEAVE_GL();
 107     tex->name = 0;
 108 }
 109
 110 void basetexture_unload(IWineD3DBaseTexture *iface)
 111 {
 112     IWineD3DTextureImpl *This = (IWineD3DTextureImpl *)iface;
 113     IWineD3DDeviceImpl *device = This->resource.device;
 114     struct wined3d_context *context = NULL;
 115
 116     if (This->baseTexture.texture_rgb.name || This->baseTexture.texture_srgb.name)
 117     {
 118         context = context_acquire(device, NULL);
 119     }
 120
 121     if(This->baseTexture.texture_rgb.name) {
 122         gltexture_delete(&This->baseTexture.texture_rgb);
 123     }
 124     if(This->baseTexture.texture_srgb.name) {
 125         gltexture_delete(&This->baseTexture.texture_srgb);
 126     }
 127
 128     if (context) context_release(context);
 129
 130     This->baseTexture.texture_rgb.dirty = TRUE;
 131     This->baseTexture.texture_srgb.dirty = TRUE;
 132 }
 133
 134 DWORD basetexture_set_lod(IWineD3DBaseTexture *iface, DWORD LODNew)
 135 {
 136     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 137     DWORD old = This->baseTexture.LOD;
 138
 139     /* The d3d9:texture test shows that SetLOD is ignored on non-managed
 140      * textures. The call always returns 0, and GetLOD always returns 0
 141      */
 142     if (This->resource.pool != WINED3DPOOL_MANAGED) {
 143         TRACE("Ignoring SetLOD on %s texture, returning 0\n", debug_d3dpool(This->resource.pool));
 144         return 0;
 145     }
 146
 147     if (LODNew >= This->baseTexture.level_count)
 148         LODNew = This->baseTexture.level_count - 1;
 149
 150     if(This->baseTexture.LOD != LODNew) {
 151         This->baseTexture.LOD = LODNew;
 152
 153         This->baseTexture.texture_rgb.states[WINED3DTEXSTA_MAXMIPLEVEL] = ~0U;
 154         This->baseTexture.texture_srgb.states[WINED3DTEXSTA_MAXMIPLEVEL] = ~0U;
 155         if(This->baseTexture.bindCount) {
 156             IWineD3DDeviceImpl_MarkStateDirty(This->resource.device, STATE_SAMPLER(This->baseTexture.sampler));
 157         }
 158     }
 159
 160     TRACE("(%p) : set LOD to %d\n", This, This->baseTexture.LOD);
 161
 162     return old;
 163 }
 164
 165 DWORD basetexture_get_lod(IWineD3DBaseTexture *iface)
 166 {
 167     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 168
 169     TRACE("(%p) : returning %d\n", This, This->baseTexture.LOD);
 170
 171     return This->baseTexture.LOD;
 172 }
 173
 174 DWORD basetexture_get_level_count(IWineD3DBaseTexture *iface)
 175 {
 176     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 177     TRACE("iface %p, returning %u.\n", iface, This->baseTexture.level_count);
 178     return This->baseTexture.level_count;
 179 }
 180
 181 HRESULT basetexture_set_autogen_filter_type(IWineD3DBaseTexture *iface, WINED3DTEXTUREFILTERTYPE FilterType)
 182 {
 183   IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 184   IWineD3DDeviceImpl *device = This->resource.device;
 185   UINT textureDimensions = IWineD3DBaseTexture_GetTextureDimensions(iface);
 186
 187   if (!(This->resource.usage & WINED3DUSAGE_AUTOGENMIPMAP)) {
 188       TRACE("(%p) : returning invalid call\n", This);
 189       return WINED3DERR_INVALIDCALL;
 190   }
 191   if(This->baseTexture.filterType != FilterType) {
 192       /* What about multithreading? Do we want all the context overhead just to set this value?
 193        * Or should we delay the applying until the texture is used for drawing? For now, apply
 194        * immediately.
 195        */
 196       struct wined3d_context *context = context_acquire(device, NULL);
 197
 198       ENTER_GL();
 199       glBindTexture(textureDimensions, This->baseTexture.texture_rgb.name);
 200       checkGLcall("glBindTexture");
 201       switch(FilterType) {
 202           case WINED3DTEXF_NONE:
 203           case WINED3DTEXF_POINT:
 204               glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_FASTEST);
 205               checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_FASTEST)");
 206
 207               break;
 208           case WINED3DTEXF_LINEAR:
 209               glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST);
 210               checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST)");
 211
 212               break;
 213           default:
 214               WARN("Unexpected filter type %d, setting to GL_NICEST\n", FilterType);
 215               glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST);
 216               checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_HINT_SGIS, GL_NICEST)");
 217       }
 218       LEAVE_GL();
 219
 220       context_release(context);
 221   }
 222   This->baseTexture.filterType = FilterType;
 223   TRACE("(%p) :\n", This);
 224   return WINED3D_OK;
 225 }
 226
 227 WINED3DTEXTUREFILTERTYPE basetexture_get_autogen_filter_type(IWineD3DBaseTexture *iface)
 228 {
 229     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 230
 231     FIXME("(%p) : stub\n", This);
 232
 233     return This->baseTexture.filterType;
 234 }
 235
 236 void basetexture_generate_mipmaps(IWineD3DBaseTexture *iface)
 237 {
 238     /* TODO: Implement filters using GL_SGI_generate_mipmaps. */
 239     FIXME("iface %p stub!\n", iface);
 240 }
 241
 242 BOOL basetexture_set_dirty(IWineD3DBaseTexture *iface, BOOL dirty)
 243 {
 244     BOOL old;
 245     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 246     old = This->baseTexture.texture_rgb.dirty || This->baseTexture.texture_srgb.dirty;
 247     This->baseTexture.texture_rgb.dirty = dirty;
 248     This->baseTexture.texture_srgb.dirty = dirty;
 249     return old;
 250 }
 251
 252 BOOL basetexture_get_dirty(IWineD3DBaseTexture *iface)
 253 {
 254     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 255     return This->baseTexture.texture_rgb.dirty || This->baseTexture.texture_srgb.dirty;
 256 }
 257
 258 /* Context activation is done by the caller. */
 259 HRESULT basetexture_bind(IWineD3DBaseTexture *iface, BOOL srgb, BOOL *set_surface_desc)
 260 {
 261     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 262     HRESULT hr = WINED3D_OK;
 263     UINT textureDimensions;
 264     BOOL isNewTexture = FALSE;
 265     struct gl_texture *gl_tex;
 266     TRACE("(%p) : About to bind texture\n", This);
 267
 268     This->baseTexture.is_srgb = srgb; /* SRGB mode cache for PreLoad calls outside drawprim */
 269     if(srgb) {
 270         gl_tex = &This->baseTexture.texture_srgb;
 271     } else {
 272         gl_tex = &This->baseTexture.texture_rgb;
 273     }
 274
 275     textureDimensions = IWineD3DBaseTexture_GetTextureDimensions(iface);
 276     ENTER_GL();
 277     /* Generate a texture name if we don't already have one */
 278     if (gl_tex->name == 0) {
 279         *set_surface_desc = TRUE;
 280         glGenTextures(1, &gl_tex->name);
 281         checkGLcall("glGenTextures");
 282         TRACE("Generated texture %d\n", gl_tex->name);
 283         if (This->resource.pool == WINED3DPOOL_DEFAULT) {
 284             /* Tell opengl to try and keep this texture in video ram (well mostly) */
 285             GLclampf tmp;
 286             tmp = 0.9f;
 287             glPrioritizeTextures(1, &gl_tex->name, &tmp);
 288
 289         }
 290         /* Initialise the state of the texture object
 291         to the openGL defaults, not the directx defaults */
 292         gl_tex->states[WINED3DTEXSTA_ADDRESSU]      = WINED3DTADDRESS_WRAP;
 293         gl_tex->states[WINED3DTEXSTA_ADDRESSV]      = WINED3DTADDRESS_WRAP;
 294         gl_tex->states[WINED3DTEXSTA_ADDRESSW]      = WINED3DTADDRESS_WRAP;
 295         gl_tex->states[WINED3DTEXSTA_BORDERCOLOR]   = 0;
 296         gl_tex->states[WINED3DTEXSTA_MAGFILTER]     = WINED3DTEXF_LINEAR;
 297         gl_tex->states[WINED3DTEXSTA_MINFILTER]     = WINED3DTEXF_POINT; /* GL_NEAREST_MIPMAP_LINEAR */
 298         gl_tex->states[WINED3DTEXSTA_MIPFILTER]     = WINED3DTEXF_LINEAR; /* GL_NEAREST_MIPMAP_LINEAR */
 299         gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL]   = 0;
 300         gl_tex->states[WINED3DTEXSTA_MAXANISOTROPY] = 1;
 301         gl_tex->states[WINED3DTEXSTA_SRGBTEXTURE]   = 0;
 302         gl_tex->states[WINED3DTEXSTA_SHADOW]        = FALSE;
 303         IWineD3DBaseTexture_SetDirty(iface, TRUE);
 304         isNewTexture = TRUE;
 305
 306         if(This->resource.usage & WINED3DUSAGE_AUTOGENMIPMAP) {
 307             /* This means double binding the texture at creation, but keeps the code simpler all
 308              * in all, and the run-time path free from additional checks
 309              */
 310             glBindTexture(textureDimensions, gl_tex->name);
 311             checkGLcall("glBindTexture");
 312             glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_SGIS, GL_TRUE);
 313             checkGLcall("glTexParameteri(textureDimensions, GL_GENERATE_MIPMAP_SGIS, GL_TRUE)");
 314         }
 315     } else {
 316         *set_surface_desc = FALSE;
 317     }
 318
 319     /* Bind the texture */
 320     if (gl_tex->name != 0) {
 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 textureStates[WINED3D_HIGHEST_TEXTURE_STATE + 1],
 384         const DWORD samplerStates[WINED3D_HIGHEST_SAMPLER_STATE + 1],
 385         const struct wined3d_gl_info *gl_info)
 386 {
 387     IWineD3DBaseTextureImpl *This = (IWineD3DBaseTextureImpl *)iface;
 388     DWORD state;
 389     GLint textureDimensions = IWineD3DBaseTexture_GetTextureDimensions(iface);
 390     BOOL cond_np2 = IWineD3DBaseTexture_IsCondNP2(iface);
 391     DWORD aniso;
 392     struct gl_texture *gl_tex;
 393
 394     TRACE("iface %p, textureStates %p, samplerStates %p\n", iface, textureStates, samplerStates);
 395
 396     if(This->baseTexture.is_srgb) {
 397         gl_tex = &This->baseTexture.texture_srgb;
 398     } else {
 399         gl_tex = &This->baseTexture.texture_rgb;
 400     }
 401
 402     /* This function relies on the correct texture being bound and loaded. */
 403
 404     if(samplerStates[WINED3DSAMP_ADDRESSU]      != gl_tex->states[WINED3DTEXSTA_ADDRESSU]) {
 405         state = samplerStates[WINED3DSAMP_ADDRESSU];
 406         apply_wrap(gl_info, textureDimensions, state, GL_TEXTURE_WRAP_S, cond_np2);
 407         gl_tex->states[WINED3DTEXSTA_ADDRESSU] = state;
 408     }
 409
 410     if(samplerStates[WINED3DSAMP_ADDRESSV]      != gl_tex->states[WINED3DTEXSTA_ADDRESSV]) {
 411         state = samplerStates[WINED3DSAMP_ADDRESSV];
 412         apply_wrap(gl_info, textureDimensions, state, GL_TEXTURE_WRAP_T, cond_np2);
 413         gl_tex->states[WINED3DTEXSTA_ADDRESSV] = state;
 414     }
 415
 416     if(samplerStates[WINED3DSAMP_ADDRESSW]      != gl_tex->states[WINED3DTEXSTA_ADDRESSW]) {
 417         state = samplerStates[WINED3DSAMP_ADDRESSW];
 418         apply_wrap(gl_info, textureDimensions, state, GL_TEXTURE_WRAP_R, cond_np2);
 419         gl_tex->states[WINED3DTEXSTA_ADDRESSW] = state;
 420     }
 421
 422     if(samplerStates[WINED3DSAMP_BORDERCOLOR]   != gl_tex->states[WINED3DTEXSTA_BORDERCOLOR]) {
 423         float col[4];
 424
 425         state = samplerStates[WINED3DSAMP_BORDERCOLOR];
 426         D3DCOLORTOGLFLOAT4(state, col);
 427         TRACE("Setting border color for %u to %x\n", textureDimensions, state);
 428         glTexParameterfv(textureDimensions, GL_TEXTURE_BORDER_COLOR, &col[0]);
 429         checkGLcall("glTexParameteri(..., GL_TEXTURE_BORDER_COLOR, ...)");
 430         gl_tex->states[WINED3DTEXSTA_BORDERCOLOR] = state;
 431     }
 432
 433     if(samplerStates[WINED3DSAMP_MAGFILTER]     != gl_tex->states[WINED3DTEXSTA_MAGFILTER]) {
 434         GLint glValue;
 435         state = samplerStates[WINED3DSAMP_MAGFILTER];
 436         if (state > WINED3DTEXF_ANISOTROPIC) {
 437             FIXME("Unrecognized or unsupported MAGFILTER* value %d\n", state);
 438         }
 439
 440         glValue = wined3d_gl_mag_filter(This->baseTexture.magLookup,
 441                 min(max(state, WINED3DTEXF_POINT), WINED3DTEXF_LINEAR));
 442         TRACE("ValueMAG=%d setting MAGFILTER to %x\n", state, glValue);
 443         glTexParameteri(textureDimensions, GL_TEXTURE_MAG_FILTER, glValue);
 444
 445         gl_tex->states[WINED3DTEXSTA_MAGFILTER] = state;
 446     }
 447
 448     if((samplerStates[WINED3DSAMP_MINFILTER]     != gl_tex->states[WINED3DTEXSTA_MINFILTER] ||
 449         samplerStates[WINED3DSAMP_MIPFILTER]     != gl_tex->states[WINED3DTEXSTA_MIPFILTER] ||
 450         samplerStates[WINED3DSAMP_MAXMIPLEVEL]   != gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL])) {
 451         GLint glValue;
 452
 453         gl_tex->states[WINED3DTEXSTA_MIPFILTER] = samplerStates[WINED3DSAMP_MIPFILTER];
 454         gl_tex->states[WINED3DTEXSTA_MINFILTER] = samplerStates[WINED3DSAMP_MINFILTER];
 455         gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] = samplerStates[WINED3DSAMP_MAXMIPLEVEL];
 456
 457         if (gl_tex->states[WINED3DTEXSTA_MINFILTER] > WINED3DTEXF_ANISOTROPIC
 458             || gl_tex->states[WINED3DTEXSTA_MIPFILTER] > WINED3DTEXF_ANISOTROPIC)
 459         {
 460
 461             FIXME("Unrecognized or unsupported D3DSAMP_MINFILTER value %d D3DSAMP_MIPFILTER value %d\n",
 462                   gl_tex->states[WINED3DTEXSTA_MINFILTER],
 463                   gl_tex->states[WINED3DTEXSTA_MIPFILTER]);
 464         }
 465         glValue = wined3d_gl_min_mip_filter(This->baseTexture.minMipLookup,
 466                 min(max(samplerStates[WINED3DSAMP_MINFILTER], WINED3DTEXF_POINT), WINED3DTEXF_LINEAR),
 467                 min(max(samplerStates[WINED3DSAMP_MIPFILTER], WINED3DTEXF_NONE), WINED3DTEXF_LINEAR));
 468
 469         TRACE("ValueMIN=%d, ValueMIP=%d, setting MINFILTER to %x\n",
 470               samplerStates[WINED3DSAMP_MINFILTER],
 471               samplerStates[WINED3DSAMP_MIPFILTER], glValue);
 472         glTexParameteri(textureDimensions, GL_TEXTURE_MIN_FILTER, glValue);
 473         checkGLcall("glTexParameter GL_TEXTURE_MIN_FILTER, ...");
 474
 475         if (!cond_np2)
 476         {
 477             if (gl_tex->states[WINED3DTEXSTA_MIPFILTER] == WINED3DTEXF_NONE)
 478                 glValue = This->baseTexture.LOD;
 479             else if (gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] >= This->baseTexture.level_count)
 480                 glValue = This->baseTexture.level_count - 1;
 481             else if (gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] < This->baseTexture.LOD)
 482                 /* baseTexture.LOD is already clamped in the setter */
 483                 glValue = This->baseTexture.LOD;
 484             else
 485                 glValue = gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL];
 486
 487             /* Note that D3DSAMP_MAXMIPLEVEL specifies the biggest mipmap(default 0), while
 488              * GL_TEXTURE_MAX_LEVEL specifies the smallest mimap used(default 1000).
 489              * So D3DSAMP_MAXMIPLEVEL is the same as GL_TEXTURE_BASE_LEVEL.
 490              */
 491             glTexParameteri(textureDimensions, GL_TEXTURE_BASE_LEVEL, glValue);
 492         }
 493     }
 494
 495     if ((gl_tex->states[WINED3DTEXSTA_MAGFILTER] != WINED3DTEXF_ANISOTROPIC
 496          && gl_tex->states[WINED3DTEXSTA_MINFILTER] != WINED3DTEXF_ANISOTROPIC
 497          && gl_tex->states[WINED3DTEXSTA_MIPFILTER] != WINED3DTEXF_ANISOTROPIC)
 498             || cond_np2)
 499     {
 500         aniso = 1;
 501     }
 502     else
 503     {
 504         aniso = samplerStates[WINED3DSAMP_MAXANISOTROPY];
 505     }
 506
 507     if (gl_tex->states[WINED3DTEXSTA_MAXANISOTROPY] != aniso)
 508     {
 509         if (gl_info->supported[EXT_TEXTURE_FILTER_ANISOTROPIC])
 510         {
 511             glTexParameteri(textureDimensions, GL_TEXTURE_MAX_ANISOTROPY_EXT, aniso);
 512             checkGLcall("glTexParameteri(GL_TEXTURE_MAX_ANISOTROPY_EXT, aniso)");
 513         }
 514         else
 515         {
 516             WARN("Anisotropic filtering not supported.\n");
 517         }
 518         gl_tex->states[WINED3DTEXSTA_MAXANISOTROPY] = aniso;
 519     }
 520
 521     if (!(This->resource.format_desc->Flags & WINED3DFMT_FLAG_SHADOW)
 522             != !gl_tex->states[WINED3DTEXSTA_SHADOW])
 523     {
 524         if (This->resource.format_desc->Flags & WINED3DFMT_FLAG_SHADOW)
 525         {
 526             glTexParameteri(textureDimensions, GL_DEPTH_TEXTURE_MODE_ARB, GL_LUMINANCE);
 527             glTexParameteri(textureDimensions, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB);
 528             checkGLcall("glTexParameteri(textureDimensions, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB)");
 529             gl_tex->states[WINED3DTEXSTA_SHADOW] = TRUE;
 530         }
 531         else
 532         {
 533             glTexParameteri(textureDimensions, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);
 534             checkGLcall("glTexParameteri(textureDimensions, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE)");
 535             gl_tex->states[WINED3DTEXSTA_SHADOW] = FALSE;
 536         }
 537     }
 538 }