dlls/wined3d/texture.c

   1 /*
   2  * Copyright 2002-2005 Jason Edmeades
   3  * Copyright 2002-2005 Raphael Junqueira
   4  * Copyright 2005 Oliver Stieber
   5  * Copyright 2007-2009, 2013 Stefan Dösinger for CodeWeavers
   6  * Copyright 2009-2011 Henri Verbeet for CodeWeavers
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include "config.h"
  24 #include "wine/port.h"
  25 #include "wined3d_private.h"
  26
  27 WINE_DEFAULT_DEBUG_CHANNEL(d3d_texture);
  28 WINE_DECLARE_DEBUG_CHANNEL(winediag);
  29
  30 static HRESULT wined3d_texture_init(struct wined3d_texture *texture, const struct wined3d_texture_ops *texture_ops,
  31         UINT layer_count, UINT level_count, const struct wined3d_resource_desc *desc, struct wined3d_device *device,
  32         void *parent, const struct wined3d_parent_ops *parent_ops, const struct wined3d_resource_ops *resource_ops)
  33 {
  34     const struct wined3d_format *format = wined3d_get_format(&device->adapter->gl_info, desc->format);
  35     HRESULT hr;
  36
  37     TRACE("texture %p, texture_ops %p, layer_count %u, level_count %u, resource_type %s, format %s, "
  38             "multisample_type %#x, multisample_quality %#x, usage %s, pool %s, width %u, height %u, depth %u, "
  39             "device %p, parent %p, parent_ops %p, resource_ops %p.\n",
  40             texture, texture_ops, layer_count, level_count, debug_d3dresourcetype(desc->resource_type),
  41             debug_d3dformat(desc->format), desc->multisample_type, desc->multisample_quality,
  42             debug_d3dusage(desc->usage), debug_d3dpool(desc->pool), desc->width, desc->height, desc->depth,
  43             device, parent, parent_ops, resource_ops);
  44
  45     if ((format->flags & (WINED3DFMT_FLAG_BLOCKS | WINED3DFMT_FLAG_BLOCKS_NO_VERIFY)) == WINED3DFMT_FLAG_BLOCKS)
  46     {
  47         UINT width_mask = format->block_width - 1;
  48         UINT height_mask = format->block_height - 1;
  49         if (desc->width & width_mask || desc->height & height_mask)
  50             return WINED3DERR_INVALIDCALL;
  51     }
  52
  53     if (FAILED(hr = resource_init(&texture->resource, device, desc->resource_type, format,
  54             desc->multisample_type, desc->multisample_quality, desc->usage, desc->pool,
  55             desc->width, desc->height, desc->depth, 0, parent, parent_ops, resource_ops)))
  56     {
  57         static unsigned int once;
  58
  59         if ((desc->format == WINED3DFMT_DXT1 || desc->format == WINED3DFMT_DXT2 || desc->format == WINED3DFMT_DXT3
  60                 || desc->format == WINED3DFMT_DXT4 || desc->format == WINED3DFMT_DXT5)
  61                 && !(format->flags & WINED3DFMT_FLAG_TEXTURE) && !once++)
  62             ERR_(winediag)("The application tried to create a DXTn texture, but the driver does not support them.\n");
  63
  64         WARN("Failed to initialize resource, returning %#x\n", hr);
  65         return hr;
  66     }
  67
  68     texture->texture_ops = texture_ops;
  69     texture->sub_resources = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
  70             level_count * layer_count * sizeof(*texture->sub_resources));
  71     if (!texture->sub_resources)
  72     {
  73         ERR("Failed to allocate sub-resource array.\n");
  74         resource_cleanup(&texture->resource);
  75         return E_OUTOFMEMORY;
  76     }
  77
  78     texture->layer_count = layer_count;
  79     texture->level_count = level_count;
  80     texture->filter_type = (desc->usage & WINED3DUSAGE_AUTOGENMIPMAP) ? WINED3D_TEXF_LINEAR : WINED3D_TEXF_NONE;
  81     texture->lod = 0;
  82     texture->flags = WINED3D_TEXTURE_POW2_MAT_IDENT;
  83
  84     if (texture->resource.format->flags & WINED3DFMT_FLAG_FILTERING)
  85     {
  86         texture->min_mip_lookup = minMipLookup;
  87         texture->mag_lookup = magLookup;
  88     }
  89     else
  90     {
  91         texture->min_mip_lookup = minMipLookup_noFilter;
  92         texture->mag_lookup = magLookup_noFilter;
  93     }
  94
  95     return WINED3D_OK;
  96 }
  97
  98 /* A GL context is provided by the caller */
  99 static void gltexture_delete(const struct wined3d_gl_info *gl_info, struct gl_texture *tex)
 100 {
 101     gl_info->gl_ops.gl.p_glDeleteTextures(1, &tex->name);
 102     tex->name = 0;
 103 }
 104
 105 static void wined3d_texture_unload_gl_texture(struct wined3d_texture *texture)
 106 {
 107     struct wined3d_device *device = texture->resource.device;
 108     struct wined3d_context *context = NULL;
 109
 110     if (texture->texture_rgb.name || texture->texture_srgb.name)
 111     {
 112         context = context_acquire(device, NULL);
 113     }
 114
 115     if (texture->texture_rgb.name)
 116         gltexture_delete(context->gl_info, &texture->texture_rgb);
 117
 118     if (texture->texture_srgb.name)
 119         gltexture_delete(context->gl_info, &texture->texture_srgb);
 120
 121     if (context) context_release(context);
 122
 123     wined3d_texture_set_dirty(texture);
 124
 125     resource_unload(&texture->resource);
 126 }
 127
 128 static void wined3d_texture_cleanup(struct wined3d_texture *texture)
 129 {
 130     UINT sub_count = texture->level_count * texture->layer_count;
 131     UINT i;
 132
 133     TRACE("texture %p.\n", texture);
 134
 135     for (i = 0; i < sub_count; ++i)
 136     {
 137         struct wined3d_resource *sub_resource = texture->sub_resources[i];
 138
 139         if (sub_resource)
 140             texture->texture_ops->texture_sub_resource_cleanup(sub_resource);
 141     }
 142
 143     wined3d_texture_unload_gl_texture(texture);
 144     HeapFree(GetProcessHeap(), 0, texture->sub_resources);
 145     resource_cleanup(&texture->resource);
 146 }
 147
 148 void wined3d_texture_set_dirty(struct wined3d_texture *texture)
 149 {
 150     texture->flags &= ~(WINED3D_TEXTURE_RGB_VALID | WINED3D_TEXTURE_SRGB_VALID);
 151 }
 152
 153 /* Context activation is done by the caller. */
 154 void wined3d_texture_bind(struct wined3d_texture *texture,
 155         struct wined3d_context *context, BOOL srgb)
 156 {
 157     const struct wined3d_gl_info *gl_info = context->gl_info;
 158     struct gl_texture *gl_tex;
 159     GLenum target;
 160
 161     TRACE("texture %p, context %p, srgb %#x.\n", texture, context, srgb);
 162
 163     if (gl_info->supported[EXT_TEXTURE_SRGB_DECODE])
 164         srgb = FALSE;
 165
 166     /* sRGB mode cache for preload() calls outside drawprim. */
 167     if (srgb)
 168         texture->flags |= WINED3D_TEXTURE_IS_SRGB;
 169     else
 170         texture->flags &= ~WINED3D_TEXTURE_IS_SRGB;
 171
 172     gl_tex = wined3d_texture_get_gl_texture(texture, srgb);
 173     target = texture->target;
 174
 175     if (gl_tex->name)
 176     {
 177         context_bind_texture(context, target, gl_tex->name);
 178         return;
 179     }
 180
 181     gl_info->gl_ops.gl.p_glGenTextures(1, &gl_tex->name);
 182     checkGLcall("glGenTextures");
 183     TRACE("Generated texture %d.\n", gl_tex->name);
 184
 185     if (!gl_tex->name)
 186     {
 187         ERR("Failed to generate a texture name.\n");
 188         return;
 189     }
 190
 191     if (texture->resource.pool == WINED3D_POOL_DEFAULT)
 192     {
 193         /* Tell OpenGL to try and keep this texture in video ram (well mostly). */
 194         GLclampf tmp = 0.9f;
 195         gl_info->gl_ops.gl.p_glPrioritizeTextures(1, &gl_tex->name, &tmp);
 196     }
 197
 198     /* Initialise the state of the texture object to the OpenGL defaults, not
 199      * the wined3d defaults. */
 200     gl_tex->states[WINED3DTEXSTA_ADDRESSU] = WINED3D_TADDRESS_WRAP;
 201     gl_tex->states[WINED3DTEXSTA_ADDRESSV] = WINED3D_TADDRESS_WRAP;
 202     gl_tex->states[WINED3DTEXSTA_ADDRESSW] = WINED3D_TADDRESS_WRAP;
 203     gl_tex->states[WINED3DTEXSTA_BORDERCOLOR] = 0;
 204     gl_tex->states[WINED3DTEXSTA_MAGFILTER] = WINED3D_TEXF_LINEAR;
 205     gl_tex->states[WINED3DTEXSTA_MINFILTER] = WINED3D_TEXF_POINT; /* GL_NEAREST_MIPMAP_LINEAR */
 206     gl_tex->states[WINED3DTEXSTA_MIPFILTER] = WINED3D_TEXF_LINEAR; /* GL_NEAREST_MIPMAP_LINEAR */
 207     gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] = 0;
 208     gl_tex->states[WINED3DTEXSTA_MAXANISOTROPY] = 1;
 209     if (context->gl_info->supported[EXT_TEXTURE_SRGB_DECODE])
 210         gl_tex->states[WINED3DTEXSTA_SRGBTEXTURE] = TRUE;
 211     else
 212         gl_tex->states[WINED3DTEXSTA_SRGBTEXTURE] = srgb;
 213     gl_tex->states[WINED3DTEXSTA_SHADOW] = FALSE;
 214     wined3d_texture_set_dirty(texture);
 215
 216     context_bind_texture(context, target, gl_tex->name);
 217
 218     if (texture->resource.usage & WINED3DUSAGE_AUTOGENMIPMAP)
 219     {
 220         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_GENERATE_MIPMAP_SGIS, GL_TRUE);
 221         checkGLcall("glTexParameteri(target, GL_GENERATE_MIPMAP_SGIS, GL_TRUE)");
 222     }
 223
 224     /* For a new texture we have to set the texture levels after binding the
 225      * texture. Beware that texture rectangles do not support mipmapping, but
 226      * set the maxmiplevel if we're relying on the partial
 227      * GL_ARB_texture_non_power_of_two emulation with texture rectangles.
 228      * (I.e., do not care about cond_np2 here, just look for
 229      * GL_TEXTURE_RECTANGLE_ARB.) */
 230     if (target != GL_TEXTURE_RECTANGLE_ARB)
 231     {
 232         TRACE("Setting GL_TEXTURE_MAX_LEVEL to %u.\n", texture->level_count - 1);
 233         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, texture->level_count - 1);
 234         checkGLcall("glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, texture->level_count)");
 235     }
 236
 237     if (target == GL_TEXTURE_CUBE_MAP_ARB)
 238     {
 239         /* Cubemaps are always set to clamp, regardless of the sampler state. */
 240         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
 241         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 242         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
 243     }
 244
 245     if (texture->flags & WINED3D_TEXTURE_COND_NP2)
 246     {
 247         /* Conditinal non power of two textures use a different clamping
 248          * default. If we're using the GL_WINE_normalized_texrect partial
 249          * driver emulation, we're dealing with a GL_TEXTURE_2D texture which
 250          * has the address mode set to repeat - something that prevents us
 251          * from hitting the accelerated codepath. Thus manually set the GL
 252          * state. The same applies to filtering. Even if the texture has only
 253          * one mip level, the default LINEAR_MIPMAP_LINEAR filter causes a SW
 254          * fallback on macos. */
 255         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
 256         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 257         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
 258         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
 259         checkGLcall("glTexParameteri");
 260         gl_tex->states[WINED3DTEXSTA_ADDRESSU] = WINED3D_TADDRESS_CLAMP;
 261         gl_tex->states[WINED3DTEXSTA_ADDRESSV] = WINED3D_TADDRESS_CLAMP;
 262         gl_tex->states[WINED3DTEXSTA_MAGFILTER] = WINED3D_TEXF_POINT;
 263         gl_tex->states[WINED3DTEXSTA_MINFILTER] = WINED3D_TEXF_POINT;
 264         gl_tex->states[WINED3DTEXSTA_MIPFILTER] = WINED3D_TEXF_NONE;
 265     }
 266 }
 267
 268 /* Context activation is done by the caller. */
 269 void wined3d_texture_bind_and_dirtify(struct wined3d_texture *texture,
 270         struct wined3d_context *context, BOOL srgb)
 271 {
 272     DWORD active_sampler;
 273
 274     /* We don't need a specific texture unit, but after binding the texture
 275      * the current unit is dirty. Read the unit back instead of switching to
 276      * 0, this avoids messing around with the state manager's GL states. The
 277      * current texture unit should always be a valid one.
 278      *
 279      * To be more specific, this is tricky because we can implicitly be
 280      * called from sampler() in state.c. This means we can't touch anything
 281      * other than whatever happens to be the currently active texture, or we
 282      * would risk marking already applied sampler states dirty again. */
 283     active_sampler = context->rev_tex_unit_map[context->active_texture];
 284     if (active_sampler != WINED3D_UNMAPPED_STAGE)
 285         context_invalidate_state(context, STATE_SAMPLER(active_sampler));
 286
 287     wined3d_texture_bind(texture, context, srgb);
 288 }
 289
 290 /* Context activation is done by the caller. */
 291 static void apply_wrap(const struct wined3d_gl_info *gl_info, GLenum target,
 292         enum wined3d_texture_address d3d_wrap, GLenum param, BOOL cond_np2)
 293 {
 294     GLint gl_wrap;
 295
 296     if (d3d_wrap < WINED3D_TADDRESS_WRAP || d3d_wrap > WINED3D_TADDRESS_MIRROR_ONCE)
 297     {
 298         FIXME("Unrecognized or unsupported texture address mode %#x.\n", d3d_wrap);
 299         return;
 300     }
 301
 302     /* Cubemaps are always set to clamp, regardless of the sampler state. */
 303     if (target == GL_TEXTURE_CUBE_MAP_ARB
 304             || (cond_np2 && d3d_wrap == WINED3D_TADDRESS_WRAP))
 305         gl_wrap = GL_CLAMP_TO_EDGE;
 306     else
 307         gl_wrap = gl_info->wrap_lookup[d3d_wrap - WINED3D_TADDRESS_WRAP];
 308
 309     TRACE("Setting param %#x to %#x for target %#x.\n", param, gl_wrap, target);
 310     gl_info->gl_ops.gl.p_glTexParameteri(target, param, gl_wrap);
 311     checkGLcall("glTexParameteri(target, param, gl_wrap)");
 312 }
 313
 314 /* Context activation is done by the caller (state handler). */
 315 void wined3d_texture_apply_state_changes(struct wined3d_texture *texture,
 316         const DWORD sampler_states[WINED3D_HIGHEST_SAMPLER_STATE + 1],
 317         const struct wined3d_gl_info *gl_info)
 318 {
 319     BOOL cond_np2 = texture->flags & WINED3D_TEXTURE_COND_NP2;
 320     GLenum target = texture->target;
 321     struct gl_texture *gl_tex;
 322     DWORD state;
 323     DWORD aniso;
 324
 325     TRACE("texture %p, sampler_states %p.\n", texture, sampler_states);
 326
 327     gl_tex = wined3d_texture_get_gl_texture(texture, texture->flags & WINED3D_TEXTURE_IS_SRGB);
 328
 329     /* This function relies on the correct texture being bound and loaded. */
 330
 331     if (sampler_states[WINED3D_SAMP_ADDRESS_U] != gl_tex->states[WINED3DTEXSTA_ADDRESSU])
 332     {
 333         state = sampler_states[WINED3D_SAMP_ADDRESS_U];
 334         apply_wrap(gl_info, target, state, GL_TEXTURE_WRAP_S, cond_np2);
 335         gl_tex->states[WINED3DTEXSTA_ADDRESSU] = state;
 336     }
 337
 338     if (sampler_states[WINED3D_SAMP_ADDRESS_V] != gl_tex->states[WINED3DTEXSTA_ADDRESSV])
 339     {
 340         state = sampler_states[WINED3D_SAMP_ADDRESS_V];
 341         apply_wrap(gl_info, target, state, GL_TEXTURE_WRAP_T, cond_np2);
 342         gl_tex->states[WINED3DTEXSTA_ADDRESSV] = state;
 343     }
 344
 345     if (sampler_states[WINED3D_SAMP_ADDRESS_W] != gl_tex->states[WINED3DTEXSTA_ADDRESSW])
 346     {
 347         state = sampler_states[WINED3D_SAMP_ADDRESS_W];
 348         apply_wrap(gl_info, target, state, GL_TEXTURE_WRAP_R, cond_np2);
 349         gl_tex->states[WINED3DTEXSTA_ADDRESSW] = state;
 350     }
 351
 352     if (sampler_states[WINED3D_SAMP_BORDER_COLOR] != gl_tex->states[WINED3DTEXSTA_BORDERCOLOR])
 353     {
 354         float col[4];
 355
 356         state = sampler_states[WINED3D_SAMP_BORDER_COLOR];
 357         D3DCOLORTOGLFLOAT4(state, col);
 358         TRACE("Setting border color for %#x to %#x.\n", target, state);
 359         gl_info->gl_ops.gl.p_glTexParameterfv(target, GL_TEXTURE_BORDER_COLOR, &col[0]);
 360         checkGLcall("glTexParameterfv(..., GL_TEXTURE_BORDER_COLOR, ...)");
 361         gl_tex->states[WINED3DTEXSTA_BORDERCOLOR] = state;
 362     }
 363
 364     if (sampler_states[WINED3D_SAMP_MAG_FILTER] != gl_tex->states[WINED3DTEXSTA_MAGFILTER])
 365     {
 366         GLint gl_value;
 367
 368         state = sampler_states[WINED3D_SAMP_MAG_FILTER];
 369         if (state > WINED3D_TEXF_ANISOTROPIC)
 370             FIXME("Unrecognized or unsupported MAGFILTER* value %d.\n", state);
 371
 372         gl_value = wined3d_gl_mag_filter(texture->mag_lookup,
 373                 min(max(state, WINED3D_TEXF_POINT), WINED3D_TEXF_LINEAR));
 374         TRACE("ValueMAG=%#x setting MAGFILTER to %#x.\n", state, gl_value);
 375         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_MAG_FILTER, gl_value);
 376
 377         gl_tex->states[WINED3DTEXSTA_MAGFILTER] = state;
 378     }
 379
 380     if ((sampler_states[WINED3D_SAMP_MIN_FILTER] != gl_tex->states[WINED3DTEXSTA_MINFILTER]
 381             || sampler_states[WINED3D_SAMP_MIP_FILTER] != gl_tex->states[WINED3DTEXSTA_MIPFILTER]
 382             || sampler_states[WINED3D_SAMP_MAX_MIP_LEVEL] != gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL]))
 383     {
 384         GLint gl_value;
 385
 386         gl_tex->states[WINED3DTEXSTA_MIPFILTER] = sampler_states[WINED3D_SAMP_MIP_FILTER];
 387         gl_tex->states[WINED3DTEXSTA_MINFILTER] = sampler_states[WINED3D_SAMP_MIN_FILTER];
 388         gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] = sampler_states[WINED3D_SAMP_MAX_MIP_LEVEL];
 389
 390         if (gl_tex->states[WINED3DTEXSTA_MINFILTER] > WINED3D_TEXF_ANISOTROPIC
 391             || gl_tex->states[WINED3DTEXSTA_MIPFILTER] > WINED3D_TEXF_ANISOTROPIC)
 392         {
 393             FIXME("Unrecognized or unsupported MIN_FILTER value %#x MIP_FILTER value %#x.\n",
 394                   gl_tex->states[WINED3DTEXSTA_MINFILTER],
 395                   gl_tex->states[WINED3DTEXSTA_MIPFILTER]);
 396         }
 397         gl_value = wined3d_gl_min_mip_filter(texture->min_mip_lookup,
 398                 min(max(sampler_states[WINED3D_SAMP_MIN_FILTER], WINED3D_TEXF_POINT), WINED3D_TEXF_LINEAR),
 399                 min(max(sampler_states[WINED3D_SAMP_MIP_FILTER], WINED3D_TEXF_NONE), WINED3D_TEXF_LINEAR));
 400
 401         TRACE("ValueMIN=%#x, ValueMIP=%#x, setting MINFILTER to %#x.\n",
 402               sampler_states[WINED3D_SAMP_MIN_FILTER],
 403               sampler_states[WINED3D_SAMP_MIP_FILTER], gl_value);
 404         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_MIN_FILTER, gl_value);
 405         checkGLcall("glTexParameter GL_TEXTURE_MIN_FILTER, ...");
 406
 407         if (!cond_np2)
 408         {
 409             if (gl_tex->states[WINED3DTEXSTA_MIPFILTER] == WINED3D_TEXF_NONE)
 410                 gl_value = texture->lod;
 411             else if (gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] >= texture->level_count)
 412                 gl_value = texture->level_count - 1;
 413             else if (gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] < texture->lod)
 414                 /* texture->lod is already clamped in the setter. */
 415                 gl_value = texture->lod;
 416             else
 417                 gl_value = gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL];
 418
 419             /* Note that WINED3D_SAMP_MAX_MIP_LEVEL specifies the largest mipmap
 420              * (default 0), while GL_TEXTURE_MAX_LEVEL specifies the smallest
 421              * mimap used (default 1000). So WINED3D_SAMP_MAX_MIP_LEVEL
 422              * corresponds to GL_TEXTURE_BASE_LEVEL. */
 423             gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_BASE_LEVEL, gl_value);
 424         }
 425     }
 426
 427     if ((gl_tex->states[WINED3DTEXSTA_MAGFILTER] != WINED3D_TEXF_ANISOTROPIC
 428             && gl_tex->states[WINED3DTEXSTA_MINFILTER] != WINED3D_TEXF_ANISOTROPIC
 429             && gl_tex->states[WINED3DTEXSTA_MIPFILTER] != WINED3D_TEXF_ANISOTROPIC)
 430             || cond_np2)
 431         aniso = 1;
 432     else
 433         aniso = sampler_states[WINED3D_SAMP_MAX_ANISOTROPY];
 434
 435     if (gl_tex->states[WINED3DTEXSTA_MAXANISOTROPY] != aniso)
 436     {
 437         if (gl_info->supported[EXT_TEXTURE_FILTER_ANISOTROPIC])
 438         {
 439             gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_MAX_ANISOTROPY_EXT, aniso);
 440             checkGLcall("glTexParameteri(GL_TEXTURE_MAX_ANISOTROPY_EXT, aniso)");
 441         }
 442         else
 443         {
 444             WARN("Anisotropic filtering not supported.\n");
 445         }
 446         gl_tex->states[WINED3DTEXSTA_MAXANISOTROPY] = aniso;
 447     }
 448
 449     /* These should always be the same unless EXT_texture_sRGB_decode is supported. */
 450     if (sampler_states[WINED3D_SAMP_SRGB_TEXTURE] != gl_tex->states[WINED3DTEXSTA_SRGBTEXTURE])
 451     {
 452         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_SRGB_DECODE_EXT,
 453                 sampler_states[WINED3D_SAMP_SRGB_TEXTURE] ? GL_DECODE_EXT : GL_SKIP_DECODE_EXT);
 454         checkGLcall("glTexParameteri(GL_TEXTURE_SRGB_DECODE_EXT)");
 455         gl_tex->states[WINED3DTEXSTA_SRGBTEXTURE] = sampler_states[WINED3D_SAMP_SRGB_TEXTURE];
 456     }
 457
 458     if (!(texture->resource.format->flags & WINED3DFMT_FLAG_SHADOW)
 459             != !gl_tex->states[WINED3DTEXSTA_SHADOW])
 460     {
 461         if (texture->resource.format->flags & WINED3DFMT_FLAG_SHADOW)
 462         {
 463             gl_info->gl_ops.gl.p_glTexParameteri(target, GL_DEPTH_TEXTURE_MODE_ARB, GL_LUMINANCE);
 464             gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB);
 465             checkGLcall("glTexParameteri(target, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB)");
 466             gl_tex->states[WINED3DTEXSTA_SHADOW] = TRUE;
 467         }
 468         else
 469         {
 470             gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);
 471             checkGLcall("glTexParameteri(target, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE)");
 472             gl_tex->states[WINED3DTEXSTA_SHADOW] = FALSE;
 473         }
 474     }
 475 }
 476
 477 ULONG CDECL wined3d_texture_incref(struct wined3d_texture *texture)
 478 {
 479     ULONG refcount = InterlockedIncrement(&texture->resource.ref);
 480
 481     TRACE("%p increasing refcount to %u.\n", texture, refcount);
 482
 483     return refcount;
 484 }
 485
 486 ULONG CDECL wined3d_texture_decref(struct wined3d_texture *texture)
 487 {
 488     ULONG refcount = InterlockedDecrement(&texture->resource.ref);
 489
 490     TRACE("%p decreasing refcount to %u.\n", texture, refcount);
 491
 492     if (!refcount)
 493     {
 494         wined3d_texture_cleanup(texture);
 495         texture->resource.parent_ops->wined3d_object_destroyed(texture->resource.parent);
 496         HeapFree(GetProcessHeap(), 0, texture);
 497     }
 498
 499     return refcount;
 500 }
 501
 502 struct wined3d_resource * CDECL wined3d_texture_get_resource(struct wined3d_texture *texture)
 503 {
 504     TRACE("texture %p.\n", texture);
 505
 506     return &texture->resource;
 507 }
 508
 509 DWORD CDECL wined3d_texture_set_priority(struct wined3d_texture *texture, DWORD priority)
 510 {
 511     return wined3d_resource_set_priority(&texture->resource, priority);
 512 }
 513
 514 DWORD CDECL wined3d_texture_get_priority(const struct wined3d_texture *texture)
 515 {
 516     return wined3d_resource_get_priority(&texture->resource);
 517 }
 518
 519 /* Context activation is done by the caller */
 520 void wined3d_texture_load(struct wined3d_texture *texture,
 521         struct wined3d_context *context, BOOL srgb)
 522 {
 523     UINT sub_count = texture->level_count * texture->layer_count;
 524     const struct wined3d_gl_info *gl_info = context->gl_info;
 525     DWORD flag;
 526     UINT i;
 527
 528     TRACE("texture %p, srgb %#x.\n", texture, srgb);
 529
 530     if (gl_info->supported[EXT_TEXTURE_SRGB_DECODE])
 531         srgb = FALSE;
 532
 533     if (srgb)
 534         flag = WINED3D_TEXTURE_SRGB_VALID;
 535     else
 536         flag = WINED3D_TEXTURE_RGB_VALID;
 537
 538     if (texture->flags & flag)
 539     {
 540         TRACE("Texture %p not dirty, nothing to do.\n", texture);
 541         return;
 542     }
 543
 544     /* Reload the surfaces if the texture is marked dirty. */
 545     for (i = 0; i < sub_count; ++i)
 546     {
 547         texture->texture_ops->texture_sub_resource_load(texture->sub_resources[i], context, srgb);
 548     }
 549     texture->flags |= flag;
 550 }
 551
 552 void CDECL wined3d_texture_preload(struct wined3d_texture *texture)
 553 {
 554     struct wined3d_context *context;
 555     context = context_acquire(texture->resource.device, NULL);
 556     wined3d_texture_load(texture, context, texture->flags & WINED3D_TEXTURE_IS_SRGB);
 557     context_release(context);
 558 }
 559
 560 void * CDECL wined3d_texture_get_parent(const struct wined3d_texture *texture)
 561 {
 562     TRACE("texture %p.\n", texture);
 563
 564     return texture->resource.parent;
 565 }
 566
 567 DWORD CDECL wined3d_texture_set_lod(struct wined3d_texture *texture, DWORD lod)
 568 {
 569     DWORD old = texture->lod;
 570
 571     TRACE("texture %p, lod %u.\n", texture, lod);
 572
 573     /* The d3d9:texture test shows that SetLOD is ignored on non-managed
 574      * textures. The call always returns 0, and GetLOD always returns 0. */
 575     if (texture->resource.pool != WINED3D_POOL_MANAGED)
 576     {
 577         TRACE("Ignoring SetLOD on %s texture, returning 0.\n", debug_d3dpool(texture->resource.pool));
 578         return 0;
 579     }
 580
 581     if (lod >= texture->level_count)
 582         lod = texture->level_count - 1;
 583
 584     if (texture->lod != lod)
 585     {
 586         texture->lod = lod;
 587
 588         texture->texture_rgb.states[WINED3DTEXSTA_MAXMIPLEVEL] = ~0U;
 589         texture->texture_srgb.states[WINED3DTEXSTA_MAXMIPLEVEL] = ~0U;
 590         if (texture->resource.bind_count)
 591             device_invalidate_state(texture->resource.device, STATE_SAMPLER(texture->sampler));
 592     }
 593
 594     return old;
 595 }
 596
 597 DWORD CDECL wined3d_texture_get_lod(const struct wined3d_texture *texture)
 598 {
 599     TRACE("texture %p, returning %u.\n", texture, texture->lod);
 600
 601     return texture->lod;
 602 }
 603
 604 DWORD CDECL wined3d_texture_get_level_count(const struct wined3d_texture *texture)
 605 {
 606     TRACE("texture %p, returning %u.\n", texture, texture->level_count);
 607
 608     return texture->level_count;
 609 }
 610
 611 HRESULT CDECL wined3d_texture_set_autogen_filter_type(struct wined3d_texture *texture,
 612         enum wined3d_texture_filter_type filter_type)
 613 {
 614     FIXME("texture %p, filter_type %s stub!\n", texture, debug_d3dtexturefiltertype(filter_type));
 615
 616     if (!(texture->resource.usage & WINED3DUSAGE_AUTOGENMIPMAP))
 617     {
 618         WARN("Texture doesn't have AUTOGENMIPMAP usage.\n");
 619         return WINED3DERR_INVALIDCALL;
 620     }
 621
 622     texture->filter_type = filter_type;
 623
 624     return WINED3D_OK;
 625 }
 626
 627 enum wined3d_texture_filter_type CDECL wined3d_texture_get_autogen_filter_type(const struct wined3d_texture *texture)
 628 {
 629     TRACE("texture %p.\n", texture);
 630
 631     return texture->filter_type;
 632 }
 633
 634 HRESULT CDECL wined3d_texture_set_color_key(struct wined3d_texture *texture,
 635         DWORD flags, const struct wined3d_color_key *color_key)
 636 {
 637     TRACE("texture %p, flags %#x, color_key %p.\n", texture, flags, color_key);
 638
 639     if (flags & WINEDDCKEY_COLORSPACE)
 640     {
 641         FIXME("Unhandled flags %#x.\n", flags);
 642         return WINED3DERR_INVALIDCALL;
 643     }
 644
 645     if (color_key)
 646     {
 647         switch (flags & ~WINEDDCKEY_COLORSPACE)
 648         {
 649             case WINEDDCKEY_DESTBLT:
 650                 texture->dst_blt_color_key = *color_key;
 651                 texture->color_key_flags |= WINEDDSD_CKDESTBLT;
 652                 break;
 653
 654             case WINEDDCKEY_DESTOVERLAY:
 655                 texture->dst_overlay_color_key = *color_key;
 656                 texture->color_key_flags |= WINEDDSD_CKDESTOVERLAY;
 657                 break;
 658
 659             case WINEDDCKEY_SRCOVERLAY:
 660                 texture->src_overlay_color_key = *color_key;
 661                 texture->color_key_flags |= WINEDDSD_CKSRCOVERLAY;
 662                 break;
 663
 664             case WINEDDCKEY_SRCBLT:
 665                 texture->src_blt_color_key = *color_key;
 666                 texture->color_key_flags |= WINEDDSD_CKSRCBLT;
 667                 break;
 668         }
 669     }
 670     else
 671     {
 672         switch (flags & ~WINEDDCKEY_COLORSPACE)
 673         {
 674             case WINEDDCKEY_DESTBLT:
 675                 texture->color_key_flags &= ~WINEDDSD_CKDESTBLT;
 676                 break;
 677
 678             case WINEDDCKEY_DESTOVERLAY:
 679                 texture->color_key_flags &= ~WINEDDSD_CKDESTOVERLAY;
 680                 break;
 681
 682             case WINEDDCKEY_SRCOVERLAY:
 683                 texture->color_key_flags &= ~WINEDDSD_CKSRCOVERLAY;
 684                 break;
 685
 686             case WINEDDCKEY_SRCBLT:
 687                 texture->color_key_flags &= ~WINEDDSD_CKSRCBLT;
 688                 break;
 689         }
 690     }
 691
 692     return WINED3D_OK;
 693 }
 694
 695 void CDECL wined3d_texture_generate_mipmaps(struct wined3d_texture *texture)
 696 {
 697     /* TODO: Implement filters using GL_SGI_generate_mipmaps. */
 698     FIXME("texture %p stub!\n", texture);
 699 }
 700
 701 struct wined3d_resource * CDECL wined3d_texture_get_sub_resource(struct wined3d_texture *texture,
 702         UINT sub_resource_idx)
 703 {
 704     UINT sub_count = texture->level_count * texture->layer_count;
 705
 706     TRACE("texture %p, sub_resource_idx %u.\n", texture, sub_resource_idx);
 707
 708     if (sub_resource_idx >= sub_count)
 709     {
 710         WARN("sub_resource_idx %u >= sub_count %u.\n", sub_resource_idx, sub_count);
 711         return NULL;
 712     }
 713
 714     return texture->sub_resources[sub_resource_idx];
 715 }
 716
 717 HRESULT CDECL wined3d_texture_add_dirty_region(struct wined3d_texture *texture,
 718         UINT layer, const struct wined3d_box *dirty_region)
 719 {
 720     struct wined3d_resource *sub_resource;
 721
 722     TRACE("texture %p, layer %u, dirty_region %p.\n", texture, layer, dirty_region);
 723
 724     if (!(sub_resource = wined3d_texture_get_sub_resource(texture, layer * texture->level_count)))
 725     {
 726         WARN("Failed to get sub-resource.\n");
 727         return WINED3DERR_INVALIDCALL;
 728     }
 729
 730     texture->texture_ops->texture_sub_resource_add_dirty_region(sub_resource, dirty_region);
 731
 732     return WINED3D_OK;
 733 }
 734
 735 static void texture2d_sub_resource_load(struct wined3d_resource *sub_resource,
 736         struct wined3d_context *context, BOOL srgb)
 737 {
 738     surface_load(surface_from_resource(sub_resource), srgb);
 739 }
 740
 741 static void texture2d_sub_resource_add_dirty_region(struct wined3d_resource *sub_resource,
 742         const struct wined3d_box *dirty_region)
 743 {
 744     struct wined3d_surface *surface = surface_from_resource(sub_resource);
 745
 746     surface_prepare_map_memory(surface);
 747     surface_load_location(surface, surface->map_binding);
 748     surface_invalidate_location(surface, ~surface->map_binding);
 749 }
 750
 751 static void texture2d_sub_resource_cleanup(struct wined3d_resource *sub_resource)
 752 {
 753     struct wined3d_surface *surface = surface_from_resource(sub_resource);
 754
 755     surface_set_container(surface, NULL);
 756     wined3d_surface_decref(surface);
 757 }
 758
 759 static const struct wined3d_texture_ops texture2d_ops =
 760 {
 761     texture2d_sub_resource_load,
 762     texture2d_sub_resource_add_dirty_region,
 763     texture2d_sub_resource_cleanup,
 764 };
 765
 766 static void wined3d_texture_unload(struct wined3d_resource *resource)
 767 {
 768     struct wined3d_texture *texture = wined3d_texture_from_resource(resource);
 769     UINT sub_count = texture->level_count * texture->layer_count;
 770     UINT i;
 771
 772     TRACE("texture %p.\n", texture);
 773
 774     for (i = 0; i < sub_count; ++i)
 775     {
 776         struct wined3d_resource *sub_resource = texture->sub_resources[i];
 777
 778         sub_resource->resource_ops->resource_unload(sub_resource);
 779     }
 780
 781     wined3d_texture_unload_gl_texture(texture);
 782 }
 783
 784 static const struct wined3d_resource_ops texture_resource_ops =
 785 {
 786     wined3d_texture_unload,
 787 };
 788
 789 static HRESULT cubetexture_init(struct wined3d_texture *texture, const struct wined3d_resource_desc *desc,
 790         UINT levels, DWORD surface_flags, struct wined3d_device *device, void *parent,
 791         const struct wined3d_parent_ops *parent_ops)
 792 {
 793     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 794     struct wined3d_resource_desc surface_desc;
 795     unsigned int i, j;
 796     HRESULT hr;
 797
 798     /* TODO: It should only be possible to create textures for formats
 799      * that are reported as supported. */
 800     if (WINED3DFMT_UNKNOWN >= desc->format)
 801     {
 802         WARN("(%p) : Texture cannot be created with a format of WINED3DFMT_UNKNOWN.\n", texture);
 803         return WINED3DERR_INVALIDCALL;
 804     }
 805
 806     if (!gl_info->supported[ARB_TEXTURE_CUBE_MAP] && desc->pool != WINED3D_POOL_SCRATCH)
 807     {
 808         WARN("(%p) : Tried to create not supported cube texture.\n", texture);
 809         return WINED3DERR_INVALIDCALL;
 810     }
 811
 812     /* Calculate levels for mip mapping */
 813     if (desc->usage & WINED3DUSAGE_AUTOGENMIPMAP)
 814     {
 815         if (!gl_info->supported[SGIS_GENERATE_MIPMAP])
 816         {
 817             WARN("No mipmap generation support, returning D3DERR_INVALIDCALL.\n");
 818             return WINED3DERR_INVALIDCALL;
 819         }
 820
 821         if (levels > 1)
 822         {
 823             WARN("D3DUSAGE_AUTOGENMIPMAP is set, and level count > 1, returning D3DERR_INVALIDCALL.\n");
 824             return WINED3DERR_INVALIDCALL;
 825         }
 826
 827         levels = 1;
 828     }
 829     else if (!levels)
 830     {
 831         levels = wined3d_log2i(desc->width) + 1;
 832         TRACE("Calculated levels = %u.\n", levels);
 833     }
 834
 835     if (!gl_info->supported[ARB_TEXTURE_NON_POWER_OF_TWO])
 836     {
 837         UINT pow2_edge_length = 1;
 838         while (pow2_edge_length < desc->width)
 839             pow2_edge_length <<= 1;
 840
 841         if (desc->width != pow2_edge_length)
 842         {
 843             if (desc->pool == WINED3D_POOL_SCRATCH)
 844             {
 845                 /* SCRATCH textures cannot be used for texturing */
 846                 WARN("Creating a scratch NPOT cube texture despite lack of HW support.\n");
 847             }
 848             else
 849             {
 850                 WARN("Attempted to create a NPOT cube texture (edge length %u) without GL support.\n", desc->width);
 851                 return WINED3DERR_INVALIDCALL;
 852             }
 853         }
 854     }
 855
 856     if (FAILED(hr = wined3d_texture_init(texture, &texture2d_ops, 6, levels,
 857             desc, device, parent, parent_ops, &texture_resource_ops)))
 858     {
 859         WARN("Failed to initialize texture, returning %#x\n", hr);
 860         return hr;
 861     }
 862
 863     texture->pow2_matrix[0] = 1.0f;
 864     texture->pow2_matrix[5] = 1.0f;
 865     texture->pow2_matrix[10] = 1.0f;
 866     texture->pow2_matrix[15] = 1.0f;
 867     texture->target = GL_TEXTURE_CUBE_MAP_ARB;
 868
 869     /* Generate all the surfaces. */
 870     surface_desc = *desc;
 871     surface_desc.resource_type = WINED3D_RTYPE_SURFACE;
 872     for (i = 0; i < texture->level_count; ++i)
 873     {
 874         /* Create the 6 faces. */
 875         for (j = 0; j < 6; ++j)
 876         {
 877             static const GLenum cube_targets[6] =
 878             {
 879                 GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB,
 880                 GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB,
 881                 GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB,
 882                 GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB,
 883                 GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB,
 884                 GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB,
 885             };
 886             UINT idx = j * texture->level_count + i;
 887             struct wined3d_surface *surface;
 888
 889             if (FAILED(hr = wined3d_surface_create(texture, &surface_desc,
 890                     cube_targets[j], i, surface_flags, &surface)))
 891             {
 892                 WARN("Failed to create surface, hr %#x.\n", hr);
 893                 wined3d_texture_cleanup(texture);
 894                 return hr;
 895             }
 896
 897             texture->sub_resources[idx] = &surface->resource;
 898             TRACE("Created surface level %u @ %p.\n", i, surface);
 899         }
 900         surface_desc.width = max(1, surface_desc.width >> 1);
 901         surface_desc.height = surface_desc.width;
 902     }
 903
 904     return WINED3D_OK;
 905 }
 906
 907 static HRESULT texture_init(struct wined3d_texture *texture, const struct wined3d_resource_desc *desc,
 908         UINT levels, DWORD surface_flags, struct wined3d_device *device, void *parent,
 909         const struct wined3d_parent_ops *parent_ops)
 910 {
 911     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 912     struct wined3d_resource_desc surface_desc;
 913     UINT pow2_width, pow2_height;
 914     unsigned int i;
 915     HRESULT hr;
 916
 917     /* TODO: It should only be possible to create textures for formats
 918      * that are reported as supported. */
 919     if (WINED3DFMT_UNKNOWN >= desc->format)
 920     {
 921         WARN("(%p) : Texture cannot be created with a format of WINED3DFMT_UNKNOWN.\n", texture);
 922         return WINED3DERR_INVALIDCALL;
 923     }
 924
 925     /* Non-power2 support. */
 926     if (gl_info->supported[ARB_TEXTURE_NON_POWER_OF_TWO])
 927     {
 928         pow2_width = desc->width;
 929         pow2_height = desc->height;
 930     }
 931     else
 932     {
 933         /* Find the nearest pow2 match. */
 934         pow2_width = pow2_height = 1;
 935         while (pow2_width < desc->width)
 936             pow2_width <<= 1;
 937         while (pow2_height < desc->height)
 938             pow2_height <<= 1;
 939
 940         if (pow2_width != desc->width || pow2_height != desc->height)
 941         {
 942             /* levels == 0 returns an error as well */
 943             if (levels != 1)
 944             {
 945                 if (desc->pool == WINED3D_POOL_SCRATCH)
 946                 {
 947                     WARN("Creating a scratch mipmapped NPOT texture despite lack of HW support.\n");
 948                 }
 949                 else
 950                 {
 951                     WARN("Attempted to create a mipmapped NPOT texture without unconditional NPOT support.\n");
 952                     return WINED3DERR_INVALIDCALL;
 953                 }
 954             }
 955         }
 956     }
 957
 958     /* Calculate levels for mip mapping. */
 959     if (desc->usage & WINED3DUSAGE_AUTOGENMIPMAP)
 960     {
 961         if (!gl_info->supported[SGIS_GENERATE_MIPMAP])
 962         {
 963             WARN("No mipmap generation support, returning WINED3DERR_INVALIDCALL.\n");
 964             return WINED3DERR_INVALIDCALL;
 965         }
 966
 967         if (levels > 1)
 968         {
 969             WARN("D3DUSAGE_AUTOGENMIPMAP is set, and level count > 1, returning WINED3DERR_INVALIDCALL.\n");
 970             return WINED3DERR_INVALIDCALL;
 971         }
 972
 973         levels = 1;
 974     }
 975     else if (!levels)
 976     {
 977         levels = wined3d_log2i(max(desc->width, desc->height)) + 1;
 978         TRACE("Calculated levels = %u.\n", levels);
 979     }
 980
 981     if (FAILED(hr = wined3d_texture_init(texture, &texture2d_ops, 1, levels,
 982             desc, device, parent, parent_ops, &texture_resource_ops)))
 983     {
 984         WARN("Failed to initialize texture, returning %#x.\n", hr);
 985         return hr;
 986     }
 987
 988     /* Precalculated scaling for 'faked' non power of two texture coords. */
 989     if (gl_info->supported[WINED3D_GL_NORMALIZED_TEXRECT]
 990             && (desc->width != pow2_width || desc->height != pow2_height))
 991     {
 992         texture->pow2_matrix[0] = 1.0f;
 993         texture->pow2_matrix[5] = 1.0f;
 994         texture->pow2_matrix[10] = 1.0f;
 995         texture->pow2_matrix[15] = 1.0f;
 996         texture->target = GL_TEXTURE_2D;
 997         texture->flags |= WINED3D_TEXTURE_COND_NP2;
 998         texture->min_mip_lookup = minMipLookup_noFilter;
 999     }
1000     else if (gl_info->supported[ARB_TEXTURE_RECTANGLE]
1001             && (desc->width != pow2_width || desc->height != pow2_height))
1002     {
1003         texture->pow2_matrix[0] = (float)desc->width;
1004         texture->pow2_matrix[5] = (float)desc->height;
1005         texture->pow2_matrix[10] = 1.0f;
1006         texture->pow2_matrix[15] = 1.0f;
1007         texture->target = GL_TEXTURE_RECTANGLE_ARB;
1008         texture->flags |= WINED3D_TEXTURE_COND_NP2;
1009         texture->flags &= ~WINED3D_TEXTURE_POW2_MAT_IDENT;
1010
1011         if (texture->resource.format->flags & WINED3DFMT_FLAG_FILTERING)
1012             texture->min_mip_lookup = minMipLookup_noMip;
1013         else
1014             texture->min_mip_lookup = minMipLookup_noFilter;
1015     }
1016     else
1017     {
1018         if ((desc->width != pow2_width) || (desc->height != pow2_height))
1019         {
1020             texture->pow2_matrix[0] = (((float)desc->width) / ((float)pow2_width));
1021             texture->pow2_matrix[5] = (((float)desc->height) / ((float)pow2_height));
1022             texture->flags &= ~WINED3D_TEXTURE_POW2_MAT_IDENT;
1023         }
1024         else
1025         {
1026             texture->pow2_matrix[0] = 1.0f;
1027             texture->pow2_matrix[5] = 1.0f;
1028         }
1029
1030         texture->pow2_matrix[10] = 1.0f;
1031         texture->pow2_matrix[15] = 1.0f;
1032         texture->target = GL_TEXTURE_2D;
1033     }
1034     TRACE("xf(%f) yf(%f)\n", texture->pow2_matrix[0], texture->pow2_matrix[5]);
1035
1036     /* Generate all the surfaces. */
1037     surface_desc = *desc;
1038     surface_desc.resource_type = WINED3D_RTYPE_SURFACE;
1039     for (i = 0; i < texture->level_count; ++i)
1040     {
1041         struct wined3d_surface *surface;
1042
1043         if (FAILED(hr = wined3d_surface_create(texture, &surface_desc,
1044                 texture->target, i, surface_flags, &surface)))
1045         {
1046             WARN("Failed to create surface, hr %#x.\n", hr);
1047             wined3d_texture_cleanup(texture);
1048             return hr;
1049         }
1050
1051         texture->sub_resources[i] = &surface->resource;
1052         TRACE("Created surface level %u @ %p.\n", i, surface);
1053         /* Calculate the next mipmap level. */
1054         surface_desc.width = max(1, surface_desc.width >> 1);
1055         surface_desc.height = max(1, surface_desc.height >> 1);
1056     }
1057
1058     return WINED3D_OK;
1059 }
1060
1061 static void texture3d_sub_resource_load(struct wined3d_resource *sub_resource,
1062         struct wined3d_context *context, BOOL srgb)
1063 {
1064     wined3d_volume_load(volume_from_resource(sub_resource), context, srgb);
1065 }
1066
1067 static void texture3d_sub_resource_add_dirty_region(struct wined3d_resource *sub_resource,
1068         const struct wined3d_box *dirty_region)
1069 {
1070     wined3d_texture_set_dirty(volume_from_resource(sub_resource)->container);
1071 }
1072
1073 static void texture3d_sub_resource_cleanup(struct wined3d_resource *sub_resource)
1074 {
1075     struct wined3d_volume *volume = volume_from_resource(sub_resource);
1076
1077     /* Cleanup the container. */
1078     volume_set_container(volume, NULL);
1079     wined3d_volume_decref(volume);
1080 }
1081
1082 static const struct wined3d_texture_ops texture3d_ops =
1083 {
1084     texture3d_sub_resource_load,
1085     texture3d_sub_resource_add_dirty_region,
1086     texture3d_sub_resource_cleanup,
1087 };
1088
1089 static HRESULT volumetexture_init(struct wined3d_texture *texture, const struct wined3d_resource_desc *desc,
1090         UINT levels, struct wined3d_device *device, void *parent, const struct wined3d_parent_ops *parent_ops)
1091 {
1092     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
1093     struct wined3d_resource_desc volume_desc;
1094     unsigned int i;
1095     HRESULT hr;
1096
1097     /* TODO: It should only be possible to create textures for formats
1098      * that are reported as supported. */
1099     if (WINED3DFMT_UNKNOWN >= desc->format)
1100     {
1101         WARN("(%p) : Texture cannot be created with a format of WINED3DFMT_UNKNOWN.\n", texture);
1102         return WINED3DERR_INVALIDCALL;
1103     }
1104
1105     if (!gl_info->supported[EXT_TEXTURE3D])
1106     {
1107         WARN("(%p) : Texture cannot be created - no volume texture support.\n", texture);
1108         return WINED3DERR_INVALIDCALL;
1109     }
1110
1111     /* Calculate levels for mip mapping. */
1112     if (desc->usage & WINED3DUSAGE_AUTOGENMIPMAP)
1113     {
1114         if (!gl_info->supported[SGIS_GENERATE_MIPMAP])
1115         {
1116             WARN("No mipmap generation support, returning D3DERR_INVALIDCALL.\n");
1117             return WINED3DERR_INVALIDCALL;
1118         }
1119
1120         if (levels > 1)
1121         {
1122             WARN("D3DUSAGE_AUTOGENMIPMAP is set, and level count > 1, returning D3DERR_INVALIDCALL.\n");
1123             return WINED3DERR_INVALIDCALL;
1124         }
1125
1126         levels = 1;
1127     }
1128     else if (!levels)
1129     {
1130         levels = wined3d_log2i(max(max(desc->width, desc->height), desc->depth)) + 1;
1131         TRACE("Calculated levels = %u.\n", levels);
1132     }
1133
1134     if (!gl_info->supported[ARB_TEXTURE_NON_POWER_OF_TWO])
1135     {
1136         UINT pow2_w, pow2_h, pow2_d;
1137         pow2_w = 1;
1138         while (pow2_w < desc->width)
1139             pow2_w <<= 1;
1140         pow2_h = 1;
1141         while (pow2_h < desc->height)
1142             pow2_h <<= 1;
1143         pow2_d = 1;
1144         while (pow2_d < desc->depth)
1145             pow2_d <<= 1;
1146
1147         if (pow2_w != desc->width || pow2_h != desc->height || pow2_d != desc->depth)
1148         {
1149             if (desc->pool == WINED3D_POOL_SCRATCH)
1150             {
1151                 WARN("Creating a scratch NPOT volume texture despite lack of HW support.\n");
1152             }
1153             else
1154             {
1155                 WARN("Attempted to create a NPOT volume texture (%u, %u, %u) without GL support.\n",
1156                         desc->width, desc->height, desc->depth);
1157                 return WINED3DERR_INVALIDCALL;
1158             }
1159         }
1160     }
1161
1162     if (FAILED(hr = wined3d_texture_init(texture, &texture3d_ops, 1, levels,
1163             desc, device, parent, parent_ops, &texture_resource_ops)))
1164     {
1165         WARN("Failed to initialize texture, returning %#x.\n", hr);
1166         return hr;
1167     }
1168
1169     texture->pow2_matrix[0] = 1.0f;
1170     texture->pow2_matrix[5] = 1.0f;
1171     texture->pow2_matrix[10] = 1.0f;
1172     texture->pow2_matrix[15] = 1.0f;
1173     texture->target = GL_TEXTURE_3D;
1174
1175     /* Generate all the surfaces. */
1176     volume_desc = *desc;
1177     volume_desc.resource_type = WINED3D_RTYPE_VOLUME;
1178     for (i = 0; i < texture->level_count; ++i)
1179     {
1180         struct wined3d_volume *volume;
1181
1182         if (FAILED(hr = wined3d_volume_create(texture, &volume_desc, i, &volume)))
1183         {
1184             ERR("Creating a volume for the volume texture failed, hr %#x.\n", hr);
1185             wined3d_texture_cleanup(texture);
1186             return hr;
1187         }
1188
1189         texture->sub_resources[i] = &volume->resource;
1190
1191         /* Calculate the next mipmap level. */
1192         volume_desc.width = max(1, volume_desc.width >> 1);
1193         volume_desc.height = max(1, volume_desc.height >> 1);
1194         volume_desc.depth = max(1, volume_desc.depth >> 1);
1195     }
1196
1197     return WINED3D_OK;
1198 }
1199
1200 HRESULT CDECL wined3d_texture_create(struct wined3d_device *device, const struct wined3d_resource_desc *desc,
1201         UINT level_count, DWORD surface_flags, void *parent, const struct wined3d_parent_ops *parent_ops,
1202         struct wined3d_texture **texture)
1203 {
1204     struct wined3d_texture *object;
1205     HRESULT hr;
1206
1207     TRACE("device %p, desc %p, level_count %u, surface_flags %#x, parent %p, parent_ops %p, texture %p.\n",
1208             device, desc, level_count, surface_flags, parent, parent_ops, texture);
1209
1210     if (!(object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object))))
1211         return E_OUTOFMEMORY;
1212
1213     switch (desc->resource_type)
1214     {
1215         case WINED3D_RTYPE_TEXTURE:
1216             hr = texture_init(object, desc, level_count, surface_flags, device, parent, parent_ops);
1217             break;
1218
1219         case WINED3D_RTYPE_VOLUME_TEXTURE:
1220             hr = volumetexture_init(object, desc, level_count, device, parent, parent_ops);
1221             break;
1222
1223         case WINED3D_RTYPE_CUBE_TEXTURE:
1224             hr = cubetexture_init(object, desc, level_count, surface_flags, device, parent, parent_ops);
1225             break;
1226
1227         default:
1228             ERR("Invalid resource type %s.\n", debug_d3dresourcetype(desc->resource_type));
1229             hr = WINED3DERR_INVALIDCALL;
1230             break;
1231     }
1232
1233     if (FAILED(hr))
1234     {
1235         WARN("Failed to initialize texture, returning %#x.\n", hr);
1236         HeapFree(GetProcessHeap(), 0, object);
1237         return hr;
1238     }
1239
1240     TRACE("Created texture %p.\n", object);
1241     *texture = object;
1242
1243     return WINED3D_OK;
1244 }