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     wined3d_resource_update_draw_binding(&texture->resource);
  68
  69     texture->texture_ops = texture_ops;
  70     texture->sub_resources = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
  71             level_count * layer_count * sizeof(*texture->sub_resources));
  72     if (!texture->sub_resources)
  73     {
  74         ERR("Failed to allocate sub-resource array.\n");
  75         resource_cleanup(&texture->resource);
  76         return E_OUTOFMEMORY;
  77     }
  78
  79     texture->layer_count = layer_count;
  80     texture->level_count = level_count;
  81     texture->filter_type = (desc->usage & WINED3DUSAGE_AUTOGENMIPMAP) ? WINED3D_TEXF_LINEAR : WINED3D_TEXF_NONE;
  82     texture->lod = 0;
  83     texture->flags = WINED3D_TEXTURE_POW2_MAT_IDENT;
  84
  85     if (texture->resource.format->flags & WINED3DFMT_FLAG_FILTERING)
  86     {
  87         texture->min_mip_lookup = minMipLookup;
  88         texture->mag_lookup = magLookup;
  89     }
  90     else
  91     {
  92         texture->min_mip_lookup = minMipLookup_noFilter;
  93         texture->mag_lookup = magLookup_noFilter;
  94     }
  95
  96     return WINED3D_OK;
  97 }
  98
  99 /* A GL context is provided by the caller */
 100 static void gltexture_delete(const struct wined3d_gl_info *gl_info, struct gl_texture *tex)
 101 {
 102     gl_info->gl_ops.gl.p_glDeleteTextures(1, &tex->name);
 103     tex->name = 0;
 104 }
 105
 106 static void wined3d_texture_unload_gl_texture(struct wined3d_texture *texture)
 107 {
 108     struct wined3d_device *device = texture->resource.device;
 109     struct wined3d_context *context = NULL;
 110
 111     if (texture->texture_rgb.name || texture->texture_srgb.name)
 112     {
 113         context = context_acquire(device, NULL);
 114     }
 115
 116     if (texture->texture_rgb.name)
 117         gltexture_delete(context->gl_info, &texture->texture_rgb);
 118
 119     if (texture->texture_srgb.name)
 120         gltexture_delete(context->gl_info, &texture->texture_srgb);
 121
 122     if (context) context_release(context);
 123
 124     wined3d_texture_set_dirty(texture);
 125
 126     resource_unload(&texture->resource);
 127 }
 128
 129 static void wined3d_texture_cleanup(struct wined3d_texture *texture)
 130 {
 131     UINT sub_count = texture->level_count * texture->layer_count;
 132     UINT i;
 133
 134     TRACE("texture %p.\n", texture);
 135
 136     for (i = 0; i < sub_count; ++i)
 137     {
 138         struct wined3d_resource *sub_resource = texture->sub_resources[i];
 139
 140         if (sub_resource)
 141             texture->texture_ops->texture_sub_resource_cleanup(sub_resource);
 142     }
 143
 144     wined3d_texture_unload_gl_texture(texture);
 145     HeapFree(GetProcessHeap(), 0, texture->sub_resources);
 146     resource_cleanup(&texture->resource);
 147 }
 148
 149 void wined3d_texture_set_swapchain(struct wined3d_texture *texture, struct wined3d_swapchain *swapchain)
 150 {
 151     texture->swapchain = swapchain;
 152     wined3d_resource_update_draw_binding(&texture->resource);
 153 }
 154
 155 void wined3d_texture_set_dirty(struct wined3d_texture *texture)
 156 {
 157     texture->flags &= ~(WINED3D_TEXTURE_RGB_VALID | WINED3D_TEXTURE_SRGB_VALID);
 158 }
 159
 160 /* Context activation is done by the caller. */
 161 void wined3d_texture_bind(struct wined3d_texture *texture,
 162         struct wined3d_context *context, BOOL srgb)
 163 {
 164     const struct wined3d_gl_info *gl_info = context->gl_info;
 165     struct gl_texture *gl_tex;
 166     GLenum target;
 167
 168     TRACE("texture %p, context %p, srgb %#x.\n", texture, context, srgb);
 169
 170     if (gl_info->supported[EXT_TEXTURE_SRGB_DECODE])
 171         srgb = FALSE;
 172
 173     /* sRGB mode cache for preload() calls outside drawprim. */
 174     if (srgb)
 175         texture->flags |= WINED3D_TEXTURE_IS_SRGB;
 176     else
 177         texture->flags &= ~WINED3D_TEXTURE_IS_SRGB;
 178
 179     gl_tex = wined3d_texture_get_gl_texture(texture, srgb);
 180     target = texture->target;
 181
 182     if (gl_tex->name)
 183     {
 184         context_bind_texture(context, target, gl_tex->name);
 185         return;
 186     }
 187
 188     gl_info->gl_ops.gl.p_glGenTextures(1, &gl_tex->name);
 189     checkGLcall("glGenTextures");
 190     TRACE("Generated texture %d.\n", gl_tex->name);
 191
 192     if (!gl_tex->name)
 193     {
 194         ERR("Failed to generate a texture name.\n");
 195         return;
 196     }
 197
 198     if (texture->resource.pool == WINED3D_POOL_DEFAULT)
 199     {
 200         /* Tell OpenGL to try and keep this texture in video ram (well mostly). */
 201         GLclampf tmp = 0.9f;
 202         gl_info->gl_ops.gl.p_glPrioritizeTextures(1, &gl_tex->name, &tmp);
 203     }
 204
 205     /* Initialise the state of the texture object to the OpenGL defaults, not
 206      * the wined3d defaults. */
 207     gl_tex->states[WINED3DTEXSTA_ADDRESSU] = WINED3D_TADDRESS_WRAP;
 208     gl_tex->states[WINED3DTEXSTA_ADDRESSV] = WINED3D_TADDRESS_WRAP;
 209     gl_tex->states[WINED3DTEXSTA_ADDRESSW] = WINED3D_TADDRESS_WRAP;
 210     gl_tex->states[WINED3DTEXSTA_BORDERCOLOR] = 0;
 211     gl_tex->states[WINED3DTEXSTA_MAGFILTER] = WINED3D_TEXF_LINEAR;
 212     gl_tex->states[WINED3DTEXSTA_MINFILTER] = WINED3D_TEXF_POINT; /* GL_NEAREST_MIPMAP_LINEAR */
 213     gl_tex->states[WINED3DTEXSTA_MIPFILTER] = WINED3D_TEXF_LINEAR; /* GL_NEAREST_MIPMAP_LINEAR */
 214     gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] = 0;
 215     gl_tex->states[WINED3DTEXSTA_MAXANISOTROPY] = 1;
 216     if (context->gl_info->supported[EXT_TEXTURE_SRGB_DECODE])
 217         gl_tex->states[WINED3DTEXSTA_SRGBTEXTURE] = TRUE;
 218     else
 219         gl_tex->states[WINED3DTEXSTA_SRGBTEXTURE] = srgb;
 220     gl_tex->states[WINED3DTEXSTA_SHADOW] = FALSE;
 221     wined3d_texture_set_dirty(texture);
 222
 223     context_bind_texture(context, target, gl_tex->name);
 224
 225     if (texture->resource.usage & WINED3DUSAGE_AUTOGENMIPMAP)
 226     {
 227         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_GENERATE_MIPMAP_SGIS, GL_TRUE);
 228         checkGLcall("glTexParameteri(target, GL_GENERATE_MIPMAP_SGIS, GL_TRUE)");
 229     }
 230
 231     /* For a new texture we have to set the texture levels after binding the
 232      * texture. Beware that texture rectangles do not support mipmapping, but
 233      * set the maxmiplevel if we're relying on the partial
 234      * GL_ARB_texture_non_power_of_two emulation with texture rectangles.
 235      * (I.e., do not care about cond_np2 here, just look for
 236      * GL_TEXTURE_RECTANGLE_ARB.) */
 237     if (target != GL_TEXTURE_RECTANGLE_ARB)
 238     {
 239         TRACE("Setting GL_TEXTURE_MAX_LEVEL to %u.\n", texture->level_count - 1);
 240         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, texture->level_count - 1);
 241         checkGLcall("glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, texture->level_count)");
 242     }
 243
 244     if (target == GL_TEXTURE_CUBE_MAP_ARB)
 245     {
 246         /* Cubemaps are always set to clamp, regardless of the sampler state. */
 247         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
 248         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 249         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
 250     }
 251
 252     if (texture->flags & WINED3D_TEXTURE_COND_NP2)
 253     {
 254         /* Conditinal non power of two textures use a different clamping
 255          * default. If we're using the GL_WINE_normalized_texrect partial
 256          * driver emulation, we're dealing with a GL_TEXTURE_2D texture which
 257          * has the address mode set to repeat - something that prevents us
 258          * from hitting the accelerated codepath. Thus manually set the GL
 259          * state. The same applies to filtering. Even if the texture has only
 260          * one mip level, the default LINEAR_MIPMAP_LINEAR filter causes a SW
 261          * fallback on macos. */
 262         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
 263         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 264         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
 265         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
 266         checkGLcall("glTexParameteri");
 267         gl_tex->states[WINED3DTEXSTA_ADDRESSU] = WINED3D_TADDRESS_CLAMP;
 268         gl_tex->states[WINED3DTEXSTA_ADDRESSV] = WINED3D_TADDRESS_CLAMP;
 269         gl_tex->states[WINED3DTEXSTA_MAGFILTER] = WINED3D_TEXF_POINT;
 270         gl_tex->states[WINED3DTEXSTA_MINFILTER] = WINED3D_TEXF_POINT;
 271         gl_tex->states[WINED3DTEXSTA_MIPFILTER] = WINED3D_TEXF_NONE;
 272     }
 273 }
 274
 275 /* Context activation is done by the caller. */
 276 void wined3d_texture_bind_and_dirtify(struct wined3d_texture *texture,
 277         struct wined3d_context *context, BOOL srgb)
 278 {
 279     DWORD active_sampler;
 280
 281     /* We don't need a specific texture unit, but after binding the texture
 282      * the current unit is dirty. Read the unit back instead of switching to
 283      * 0, this avoids messing around with the state manager's GL states. The
 284      * current texture unit should always be a valid one.
 285      *
 286      * To be more specific, this is tricky because we can implicitly be
 287      * called from sampler() in state.c. This means we can't touch anything
 288      * other than whatever happens to be the currently active texture, or we
 289      * would risk marking already applied sampler states dirty again. */
 290     active_sampler = context->rev_tex_unit_map[context->active_texture];
 291     if (active_sampler != WINED3D_UNMAPPED_STAGE)
 292         context_invalidate_state(context, STATE_SAMPLER(active_sampler));
 293
 294     wined3d_texture_bind(texture, context, srgb);
 295 }
 296
 297 /* Context activation is done by the caller. */
 298 static void apply_wrap(const struct wined3d_gl_info *gl_info, GLenum target,
 299         enum wined3d_texture_address d3d_wrap, GLenum param, BOOL cond_np2)
 300 {
 301     GLint gl_wrap;
 302
 303     if (d3d_wrap < WINED3D_TADDRESS_WRAP || d3d_wrap > WINED3D_TADDRESS_MIRROR_ONCE)
 304     {
 305         FIXME("Unrecognized or unsupported texture address mode %#x.\n", d3d_wrap);
 306         return;
 307     }
 308
 309     /* Cubemaps are always set to clamp, regardless of the sampler state. */
 310     if (target == GL_TEXTURE_CUBE_MAP_ARB
 311             || (cond_np2 && d3d_wrap == WINED3D_TADDRESS_WRAP))
 312         gl_wrap = GL_CLAMP_TO_EDGE;
 313     else
 314         gl_wrap = gl_info->wrap_lookup[d3d_wrap - WINED3D_TADDRESS_WRAP];
 315
 316     TRACE("Setting param %#x to %#x for target %#x.\n", param, gl_wrap, target);
 317     gl_info->gl_ops.gl.p_glTexParameteri(target, param, gl_wrap);
 318     checkGLcall("glTexParameteri(target, param, gl_wrap)");
 319 }
 320
 321 /* Context activation is done by the caller (state handler). */
 322 void wined3d_texture_apply_state_changes(struct wined3d_texture *texture,
 323         const DWORD sampler_states[WINED3D_HIGHEST_SAMPLER_STATE + 1],
 324         const struct wined3d_gl_info *gl_info)
 325 {
 326     BOOL cond_np2 = texture->flags & WINED3D_TEXTURE_COND_NP2;
 327     GLenum target = texture->target;
 328     struct gl_texture *gl_tex;
 329     DWORD state;
 330     DWORD aniso;
 331
 332     TRACE("texture %p, sampler_states %p.\n", texture, sampler_states);
 333
 334     gl_tex = wined3d_texture_get_gl_texture(texture, texture->flags & WINED3D_TEXTURE_IS_SRGB);
 335
 336     /* This function relies on the correct texture being bound and loaded. */
 337
 338     if (sampler_states[WINED3D_SAMP_ADDRESS_U] != gl_tex->states[WINED3DTEXSTA_ADDRESSU])
 339     {
 340         state = sampler_states[WINED3D_SAMP_ADDRESS_U];
 341         apply_wrap(gl_info, target, state, GL_TEXTURE_WRAP_S, cond_np2);
 342         gl_tex->states[WINED3DTEXSTA_ADDRESSU] = state;
 343     }
 344
 345     if (sampler_states[WINED3D_SAMP_ADDRESS_V] != gl_tex->states[WINED3DTEXSTA_ADDRESSV])
 346     {
 347         state = sampler_states[WINED3D_SAMP_ADDRESS_V];
 348         apply_wrap(gl_info, target, state, GL_TEXTURE_WRAP_T, cond_np2);
 349         gl_tex->states[WINED3DTEXSTA_ADDRESSV] = state;
 350     }
 351
 352     if (sampler_states[WINED3D_SAMP_ADDRESS_W] != gl_tex->states[WINED3DTEXSTA_ADDRESSW])
 353     {
 354         state = sampler_states[WINED3D_SAMP_ADDRESS_W];
 355         apply_wrap(gl_info, target, state, GL_TEXTURE_WRAP_R, cond_np2);
 356         gl_tex->states[WINED3DTEXSTA_ADDRESSW] = state;
 357     }
 358
 359     if (sampler_states[WINED3D_SAMP_BORDER_COLOR] != gl_tex->states[WINED3DTEXSTA_BORDERCOLOR])
 360     {
 361         float col[4];
 362
 363         state = sampler_states[WINED3D_SAMP_BORDER_COLOR];
 364         D3DCOLORTOGLFLOAT4(state, col);
 365         TRACE("Setting border color for %#x to %#x.\n", target, state);
 366         gl_info->gl_ops.gl.p_glTexParameterfv(target, GL_TEXTURE_BORDER_COLOR, &col[0]);
 367         checkGLcall("glTexParameterfv(..., GL_TEXTURE_BORDER_COLOR, ...)");
 368         gl_tex->states[WINED3DTEXSTA_BORDERCOLOR] = state;
 369     }
 370
 371     if (sampler_states[WINED3D_SAMP_MAG_FILTER] != gl_tex->states[WINED3DTEXSTA_MAGFILTER])
 372     {
 373         GLint gl_value;
 374
 375         state = sampler_states[WINED3D_SAMP_MAG_FILTER];
 376         if (state > WINED3D_TEXF_ANISOTROPIC)
 377             FIXME("Unrecognized or unsupported MAGFILTER* value %d.\n", state);
 378
 379         gl_value = wined3d_gl_mag_filter(texture->mag_lookup,
 380                 min(max(state, WINED3D_TEXF_POINT), WINED3D_TEXF_LINEAR));
 381         TRACE("ValueMAG=%#x setting MAGFILTER to %#x.\n", state, gl_value);
 382         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_MAG_FILTER, gl_value);
 383
 384         gl_tex->states[WINED3DTEXSTA_MAGFILTER] = state;
 385     }
 386
 387     if ((sampler_states[WINED3D_SAMP_MIN_FILTER] != gl_tex->states[WINED3DTEXSTA_MINFILTER]
 388             || sampler_states[WINED3D_SAMP_MIP_FILTER] != gl_tex->states[WINED3DTEXSTA_MIPFILTER]
 389             || sampler_states[WINED3D_SAMP_MAX_MIP_LEVEL] != gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL]))
 390     {
 391         GLint gl_value;
 392
 393         gl_tex->states[WINED3DTEXSTA_MIPFILTER] = sampler_states[WINED3D_SAMP_MIP_FILTER];
 394         gl_tex->states[WINED3DTEXSTA_MINFILTER] = sampler_states[WINED3D_SAMP_MIN_FILTER];
 395         gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] = sampler_states[WINED3D_SAMP_MAX_MIP_LEVEL];
 396
 397         if (gl_tex->states[WINED3DTEXSTA_MINFILTER] > WINED3D_TEXF_ANISOTROPIC
 398             || gl_tex->states[WINED3DTEXSTA_MIPFILTER] > WINED3D_TEXF_ANISOTROPIC)
 399         {
 400             FIXME("Unrecognized or unsupported MIN_FILTER value %#x MIP_FILTER value %#x.\n",
 401                   gl_tex->states[WINED3DTEXSTA_MINFILTER],
 402                   gl_tex->states[WINED3DTEXSTA_MIPFILTER]);
 403         }
 404         gl_value = wined3d_gl_min_mip_filter(texture->min_mip_lookup,
 405                 min(max(sampler_states[WINED3D_SAMP_MIN_FILTER], WINED3D_TEXF_POINT), WINED3D_TEXF_LINEAR),
 406                 min(max(sampler_states[WINED3D_SAMP_MIP_FILTER], WINED3D_TEXF_NONE), WINED3D_TEXF_LINEAR));
 407
 408         TRACE("ValueMIN=%#x, ValueMIP=%#x, setting MINFILTER to %#x.\n",
 409               sampler_states[WINED3D_SAMP_MIN_FILTER],
 410               sampler_states[WINED3D_SAMP_MIP_FILTER], gl_value);
 411         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_MIN_FILTER, gl_value);
 412         checkGLcall("glTexParameter GL_TEXTURE_MIN_FILTER, ...");
 413
 414         if (!cond_np2)
 415         {
 416             if (gl_tex->states[WINED3DTEXSTA_MIPFILTER] == WINED3D_TEXF_NONE)
 417                 gl_value = texture->lod;
 418             else if (gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] >= texture->level_count)
 419                 gl_value = texture->level_count - 1;
 420             else if (gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL] < texture->lod)
 421                 /* texture->lod is already clamped in the setter. */
 422                 gl_value = texture->lod;
 423             else
 424                 gl_value = gl_tex->states[WINED3DTEXSTA_MAXMIPLEVEL];
 425
 426             /* Note that WINED3D_SAMP_MAX_MIP_LEVEL specifies the largest mipmap
 427              * (default 0), while GL_TEXTURE_MAX_LEVEL specifies the smallest
 428              * mimap used (default 1000). So WINED3D_SAMP_MAX_MIP_LEVEL
 429              * corresponds to GL_TEXTURE_BASE_LEVEL. */
 430             gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_BASE_LEVEL, gl_value);
 431         }
 432     }
 433
 434     if ((gl_tex->states[WINED3DTEXSTA_MAGFILTER] != WINED3D_TEXF_ANISOTROPIC
 435             && gl_tex->states[WINED3DTEXSTA_MINFILTER] != WINED3D_TEXF_ANISOTROPIC
 436             && gl_tex->states[WINED3DTEXSTA_MIPFILTER] != WINED3D_TEXF_ANISOTROPIC)
 437             || cond_np2)
 438         aniso = 1;
 439     else
 440         aniso = sampler_states[WINED3D_SAMP_MAX_ANISOTROPY];
 441
 442     if (gl_tex->states[WINED3DTEXSTA_MAXANISOTROPY] != aniso)
 443     {
 444         if (gl_info->supported[EXT_TEXTURE_FILTER_ANISOTROPIC])
 445         {
 446             gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_MAX_ANISOTROPY_EXT, aniso);
 447             checkGLcall("glTexParameteri(GL_TEXTURE_MAX_ANISOTROPY_EXT, aniso)");
 448         }
 449         else
 450         {
 451             WARN("Anisotropic filtering not supported.\n");
 452         }
 453         gl_tex->states[WINED3DTEXSTA_MAXANISOTROPY] = aniso;
 454     }
 455
 456     /* These should always be the same unless EXT_texture_sRGB_decode is supported. */
 457     if (sampler_states[WINED3D_SAMP_SRGB_TEXTURE] != gl_tex->states[WINED3DTEXSTA_SRGBTEXTURE])
 458     {
 459         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_SRGB_DECODE_EXT,
 460                 sampler_states[WINED3D_SAMP_SRGB_TEXTURE] ? GL_DECODE_EXT : GL_SKIP_DECODE_EXT);
 461         checkGLcall("glTexParameteri(GL_TEXTURE_SRGB_DECODE_EXT)");
 462         gl_tex->states[WINED3DTEXSTA_SRGBTEXTURE] = sampler_states[WINED3D_SAMP_SRGB_TEXTURE];
 463     }
 464
 465     if (!(texture->resource.format->flags & WINED3DFMT_FLAG_SHADOW)
 466             != !gl_tex->states[WINED3DTEXSTA_SHADOW])
 467     {
 468         if (texture->resource.format->flags & WINED3DFMT_FLAG_SHADOW)
 469         {
 470             gl_info->gl_ops.gl.p_glTexParameteri(target, GL_DEPTH_TEXTURE_MODE_ARB, GL_LUMINANCE);
 471             gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB);
 472             checkGLcall("glTexParameteri(target, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB)");
 473             gl_tex->states[WINED3DTEXSTA_SHADOW] = TRUE;
 474         }
 475         else
 476         {
 477             gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);
 478             checkGLcall("glTexParameteri(target, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE)");
 479             gl_tex->states[WINED3DTEXSTA_SHADOW] = FALSE;
 480         }
 481     }
 482 }
 483
 484 ULONG CDECL wined3d_texture_incref(struct wined3d_texture *texture)
 485 {
 486     ULONG refcount;
 487
 488     TRACE("texture %p, swapchain %p.\n", texture, texture->swapchain);
 489
 490     if (texture->swapchain)
 491         return wined3d_swapchain_incref(texture->swapchain);
 492
 493     refcount = InterlockedIncrement(&texture->resource.ref);
 494     TRACE("%p increasing refcount to %u.\n", texture, refcount);
 495
 496     return refcount;
 497 }
 498
 499 ULONG CDECL wined3d_texture_decref(struct wined3d_texture *texture)
 500 {
 501     ULONG refcount;
 502
 503     TRACE("texture %p, swapchain %p.\n", texture, texture->swapchain);
 504
 505     if (texture->swapchain)
 506         return wined3d_swapchain_decref(texture->swapchain);
 507
 508     refcount = InterlockedDecrement(&texture->resource.ref);
 509     TRACE("%p decreasing refcount to %u.\n", texture, refcount);
 510
 511     if (!refcount)
 512     {
 513         wined3d_texture_cleanup(texture);
 514         texture->resource.parent_ops->wined3d_object_destroyed(texture->resource.parent);
 515         HeapFree(GetProcessHeap(), 0, texture);
 516     }
 517
 518     return refcount;
 519 }
 520
 521 struct wined3d_resource * CDECL wined3d_texture_get_resource(struct wined3d_texture *texture)
 522 {
 523     TRACE("texture %p.\n", texture);
 524
 525     return &texture->resource;
 526 }
 527
 528 /* Context activation is done by the caller */
 529 void wined3d_texture_load(struct wined3d_texture *texture,
 530         struct wined3d_context *context, BOOL srgb)
 531 {
 532     UINT sub_count = texture->level_count * texture->layer_count;
 533     const struct wined3d_gl_info *gl_info = context->gl_info;
 534     DWORD flag;
 535     UINT i;
 536
 537     TRACE("texture %p, srgb %#x.\n", texture, srgb);
 538
 539     if (gl_info->supported[EXT_TEXTURE_SRGB_DECODE])
 540         srgb = FALSE;
 541
 542     if (srgb)
 543         flag = WINED3D_TEXTURE_SRGB_VALID;
 544     else
 545         flag = WINED3D_TEXTURE_RGB_VALID;
 546
 547     if (texture->flags & flag)
 548     {
 549         TRACE("Texture %p not dirty, nothing to do.\n", texture);
 550         return;
 551     }
 552
 553     /* Reload the surfaces if the texture is marked dirty. */
 554     for (i = 0; i < sub_count; ++i)
 555     {
 556         texture->texture_ops->texture_sub_resource_load(texture->sub_resources[i], context, srgb);
 557     }
 558     texture->flags |= flag;
 559 }
 560
 561 void CDECL wined3d_texture_preload(struct wined3d_texture *texture)
 562 {
 563     struct wined3d_context *context;
 564     context = context_acquire(texture->resource.device, NULL);
 565     wined3d_texture_load(texture, context, texture->flags & WINED3D_TEXTURE_IS_SRGB);
 566     context_release(context);
 567 }
 568
 569 void * CDECL wined3d_texture_get_parent(const struct wined3d_texture *texture)
 570 {
 571     TRACE("texture %p.\n", texture);
 572
 573     return texture->resource.parent;
 574 }
 575
 576 DWORD CDECL wined3d_texture_set_lod(struct wined3d_texture *texture, DWORD lod)
 577 {
 578     DWORD old = texture->lod;
 579
 580     TRACE("texture %p, lod %u.\n", texture, lod);
 581
 582     /* The d3d9:texture test shows that SetLOD is ignored on non-managed
 583      * textures. The call always returns 0, and GetLOD always returns 0. */
 584     if (texture->resource.pool != WINED3D_POOL_MANAGED)
 585     {
 586         TRACE("Ignoring SetLOD on %s texture, returning 0.\n", debug_d3dpool(texture->resource.pool));
 587         return 0;
 588     }
 589
 590     if (lod >= texture->level_count)
 591         lod = texture->level_count - 1;
 592
 593     if (texture->lod != lod)
 594     {
 595         texture->lod = lod;
 596
 597         texture->texture_rgb.states[WINED3DTEXSTA_MAXMIPLEVEL] = ~0U;
 598         texture->texture_srgb.states[WINED3DTEXSTA_MAXMIPLEVEL] = ~0U;
 599         if (texture->resource.bind_count)
 600             device_invalidate_state(texture->resource.device, STATE_SAMPLER(texture->sampler));
 601     }
 602
 603     return old;
 604 }
 605
 606 DWORD CDECL wined3d_texture_get_lod(const struct wined3d_texture *texture)
 607 {
 608     TRACE("texture %p, returning %u.\n", texture, texture->lod);
 609
 610     return texture->lod;
 611 }
 612
 613 DWORD CDECL wined3d_texture_get_level_count(const struct wined3d_texture *texture)
 614 {
 615     TRACE("texture %p, returning %u.\n", texture, texture->level_count);
 616
 617     return texture->level_count;
 618 }
 619
 620 HRESULT CDECL wined3d_texture_set_autogen_filter_type(struct wined3d_texture *texture,
 621         enum wined3d_texture_filter_type filter_type)
 622 {
 623     FIXME("texture %p, filter_type %s stub!\n", texture, debug_d3dtexturefiltertype(filter_type));
 624
 625     if (!(texture->resource.usage & WINED3DUSAGE_AUTOGENMIPMAP))
 626     {
 627         WARN("Texture doesn't have AUTOGENMIPMAP usage.\n");
 628         return WINED3DERR_INVALIDCALL;
 629     }
 630
 631     texture->filter_type = filter_type;
 632
 633     return WINED3D_OK;
 634 }
 635
 636 enum wined3d_texture_filter_type CDECL wined3d_texture_get_autogen_filter_type(const struct wined3d_texture *texture)
 637 {
 638     TRACE("texture %p.\n", texture);
 639
 640     return texture->filter_type;
 641 }
 642
 643 HRESULT CDECL wined3d_texture_set_color_key(struct wined3d_texture *texture,
 644         DWORD flags, const struct wined3d_color_key *color_key)
 645 {
 646     TRACE("texture %p, flags %#x, color_key %p.\n", texture, flags, color_key);
 647
 648     if (flags & WINEDDCKEY_COLORSPACE)
 649     {
 650         FIXME("Unhandled flags %#x.\n", flags);
 651         return WINED3DERR_INVALIDCALL;
 652     }
 653
 654     if (color_key)
 655     {
 656         switch (flags & ~WINEDDCKEY_COLORSPACE)
 657         {
 658             case WINEDDCKEY_DESTBLT:
 659                 texture->dst_blt_color_key = *color_key;
 660                 texture->color_key_flags |= WINEDDSD_CKDESTBLT;
 661                 break;
 662
 663             case WINEDDCKEY_DESTOVERLAY:
 664                 texture->dst_overlay_color_key = *color_key;
 665                 texture->color_key_flags |= WINEDDSD_CKDESTOVERLAY;
 666                 break;
 667
 668             case WINEDDCKEY_SRCOVERLAY:
 669                 texture->src_overlay_color_key = *color_key;
 670                 texture->color_key_flags |= WINEDDSD_CKSRCOVERLAY;
 671                 break;
 672
 673             case WINEDDCKEY_SRCBLT:
 674                 texture->src_blt_color_key = *color_key;
 675                 texture->color_key_flags |= WINEDDSD_CKSRCBLT;
 676                 break;
 677         }
 678     }
 679     else
 680     {
 681         switch (flags & ~WINEDDCKEY_COLORSPACE)
 682         {
 683             case WINEDDCKEY_DESTBLT:
 684                 texture->color_key_flags &= ~WINEDDSD_CKDESTBLT;
 685                 break;
 686
 687             case WINEDDCKEY_DESTOVERLAY:
 688                 texture->color_key_flags &= ~WINEDDSD_CKDESTOVERLAY;
 689                 break;
 690
 691             case WINEDDCKEY_SRCOVERLAY:
 692                 texture->color_key_flags &= ~WINEDDSD_CKSRCOVERLAY;
 693                 break;
 694
 695             case WINEDDCKEY_SRCBLT:
 696                 texture->color_key_flags &= ~WINEDDSD_CKSRCBLT;
 697                 break;
 698         }
 699     }
 700
 701     return WINED3D_OK;
 702 }
 703
 704 void CDECL wined3d_texture_generate_mipmaps(struct wined3d_texture *texture)
 705 {
 706     /* TODO: Implement filters using GL_SGI_generate_mipmaps. */
 707     FIXME("texture %p stub!\n", texture);
 708 }
 709
 710 struct wined3d_resource * CDECL wined3d_texture_get_sub_resource(struct wined3d_texture *texture,
 711         UINT sub_resource_idx)
 712 {
 713     UINT sub_count = texture->level_count * texture->layer_count;
 714
 715     TRACE("texture %p, sub_resource_idx %u.\n", texture, sub_resource_idx);
 716
 717     if (sub_resource_idx >= sub_count)
 718     {
 719         WARN("sub_resource_idx %u >= sub_count %u.\n", sub_resource_idx, sub_count);
 720         return NULL;
 721     }
 722
 723     return texture->sub_resources[sub_resource_idx];
 724 }
 725
 726 HRESULT CDECL wined3d_texture_add_dirty_region(struct wined3d_texture *texture,
 727         UINT layer, const struct wined3d_box *dirty_region)
 728 {
 729     struct wined3d_resource *sub_resource;
 730
 731     TRACE("texture %p, layer %u, dirty_region %p.\n", texture, layer, dirty_region);
 732
 733     if (!(sub_resource = wined3d_texture_get_sub_resource(texture, layer * texture->level_count)))
 734     {
 735         WARN("Failed to get sub-resource.\n");
 736         return WINED3DERR_INVALIDCALL;
 737     }
 738
 739     texture->texture_ops->texture_sub_resource_add_dirty_region(sub_resource, dirty_region);
 740
 741     return WINED3D_OK;
 742 }
 743
 744 static void texture2d_sub_resource_load(struct wined3d_resource *sub_resource,
 745         struct wined3d_context *context, BOOL srgb)
 746 {
 747     surface_load(surface_from_resource(sub_resource), srgb);
 748 }
 749
 750 static void texture2d_sub_resource_add_dirty_region(struct wined3d_resource *sub_resource,
 751         const struct wined3d_box *dirty_region)
 752 {
 753     struct wined3d_surface *surface = surface_from_resource(sub_resource);
 754
 755     surface_prepare_map_memory(surface);
 756     surface_load_location(surface, surface->resource.map_binding);
 757     surface_invalidate_location(surface, ~surface->resource.map_binding);
 758 }
 759
 760 static void texture2d_sub_resource_cleanup(struct wined3d_resource *sub_resource)
 761 {
 762     struct wined3d_surface *surface = surface_from_resource(sub_resource);
 763
 764     wined3d_surface_destroy(surface);
 765 }
 766
 767 static const struct wined3d_texture_ops texture2d_ops =
 768 {
 769     texture2d_sub_resource_load,
 770     texture2d_sub_resource_add_dirty_region,
 771     texture2d_sub_resource_cleanup,
 772 };
 773
 774 static ULONG texture_resource_incref(struct wined3d_resource *resource)
 775 {
 776     return wined3d_texture_incref(wined3d_texture_from_resource(resource));
 777 }
 778
 779 static ULONG texture_resource_decref(struct wined3d_resource *resource)
 780 {
 781     return wined3d_texture_decref(wined3d_texture_from_resource(resource));
 782 }
 783
 784 static void wined3d_texture_unload(struct wined3d_resource *resource)
 785 {
 786     struct wined3d_texture *texture = wined3d_texture_from_resource(resource);
 787     UINT sub_count = texture->level_count * texture->layer_count;
 788     UINT i;
 789
 790     TRACE("texture %p.\n", texture);
 791
 792     for (i = 0; i < sub_count; ++i)
 793     {
 794         struct wined3d_resource *sub_resource = texture->sub_resources[i];
 795
 796         sub_resource->resource_ops->resource_unload(sub_resource);
 797     }
 798
 799     wined3d_texture_unload_gl_texture(texture);
 800 }
 801
 802 static const struct wined3d_resource_ops texture_resource_ops =
 803 {
 804     texture_resource_incref,
 805     texture_resource_decref,
 806     wined3d_texture_unload,
 807 };
 808
 809 static HRESULT cubetexture_init(struct wined3d_texture *texture, const struct wined3d_resource_desc *desc,
 810         UINT levels, DWORD surface_flags, struct wined3d_device *device, void *parent,
 811         const struct wined3d_parent_ops *parent_ops)
 812 {
 813     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 814     struct wined3d_resource_desc surface_desc;
 815     unsigned int i, j;
 816     HRESULT hr;
 817
 818     /* TODO: It should only be possible to create textures for formats
 819      * that are reported as supported. */
 820     if (WINED3DFMT_UNKNOWN >= desc->format)
 821     {
 822         WARN("(%p) : Texture cannot be created with a format of WINED3DFMT_UNKNOWN.\n", texture);
 823         return WINED3DERR_INVALIDCALL;
 824     }
 825
 826     if (!gl_info->supported[ARB_TEXTURE_CUBE_MAP] && desc->pool != WINED3D_POOL_SCRATCH)
 827     {
 828         WARN("(%p) : Tried to create not supported cube texture.\n", texture);
 829         return WINED3DERR_INVALIDCALL;
 830     }
 831
 832     /* Calculate levels for mip mapping */
 833     if (desc->usage & WINED3DUSAGE_AUTOGENMIPMAP)
 834     {
 835         if (!gl_info->supported[SGIS_GENERATE_MIPMAP])
 836         {
 837             WARN("No mipmap generation support, returning D3DERR_INVALIDCALL.\n");
 838             return WINED3DERR_INVALIDCALL;
 839         }
 840
 841         if (levels > 1)
 842         {
 843             WARN("D3DUSAGE_AUTOGENMIPMAP is set, and level count > 1, returning D3DERR_INVALIDCALL.\n");
 844             return WINED3DERR_INVALIDCALL;
 845         }
 846
 847         levels = 1;
 848     }
 849     else if (!levels)
 850     {
 851         levels = wined3d_log2i(desc->width) + 1;
 852         TRACE("Calculated levels = %u.\n", levels);
 853     }
 854
 855     if (!gl_info->supported[ARB_TEXTURE_NON_POWER_OF_TWO])
 856     {
 857         UINT pow2_edge_length = 1;
 858         while (pow2_edge_length < desc->width)
 859             pow2_edge_length <<= 1;
 860
 861         if (desc->width != pow2_edge_length)
 862         {
 863             if (desc->pool == WINED3D_POOL_SCRATCH)
 864             {
 865                 /* SCRATCH textures cannot be used for texturing */
 866                 WARN("Creating a scratch NPOT cube texture despite lack of HW support.\n");
 867             }
 868             else
 869             {
 870                 WARN("Attempted to create a NPOT cube texture (edge length %u) without GL support.\n", desc->width);
 871                 return WINED3DERR_INVALIDCALL;
 872             }
 873         }
 874     }
 875
 876     if (FAILED(hr = wined3d_texture_init(texture, &texture2d_ops, 6, levels,
 877             desc, device, parent, parent_ops, &texture_resource_ops)))
 878     {
 879         WARN("Failed to initialize texture, returning %#x\n", hr);
 880         return hr;
 881     }
 882
 883     texture->pow2_matrix[0] = 1.0f;
 884     texture->pow2_matrix[5] = 1.0f;
 885     texture->pow2_matrix[10] = 1.0f;
 886     texture->pow2_matrix[15] = 1.0f;
 887     texture->target = GL_TEXTURE_CUBE_MAP_ARB;
 888
 889     /* Generate all the surfaces. */
 890     surface_desc = *desc;
 891     surface_desc.resource_type = WINED3D_RTYPE_SURFACE;
 892     for (i = 0; i < texture->level_count; ++i)
 893     {
 894         /* Create the 6 faces. */
 895         for (j = 0; j < 6; ++j)
 896         {
 897             static const GLenum cube_targets[6] =
 898             {
 899                 GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB,
 900                 GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB,
 901                 GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB,
 902                 GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB,
 903                 GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB,
 904                 GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB,
 905             };
 906             UINT idx = j * texture->level_count + i;
 907             struct wined3d_surface *surface;
 908
 909             if (FAILED(hr = wined3d_surface_create(texture, &surface_desc,
 910                     cube_targets[j], i, j, surface_flags, &surface)))
 911             {
 912                 WARN("Failed to create surface, hr %#x.\n", hr);
 913                 wined3d_texture_cleanup(texture);
 914                 return hr;
 915             }
 916
 917             texture->sub_resources[idx] = &surface->resource;
 918             TRACE("Created surface level %u @ %p.\n", i, surface);
 919         }
 920         surface_desc.width = max(1, surface_desc.width >> 1);
 921         surface_desc.height = surface_desc.width;
 922     }
 923
 924     return WINED3D_OK;
 925 }
 926
 927 static HRESULT texture_init(struct wined3d_texture *texture, const struct wined3d_resource_desc *desc,
 928         UINT levels, DWORD surface_flags, struct wined3d_device *device, void *parent,
 929         const struct wined3d_parent_ops *parent_ops)
 930 {
 931     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 932     struct wined3d_resource_desc surface_desc;
 933     UINT pow2_width, pow2_height;
 934     unsigned int i;
 935     HRESULT hr;
 936
 937     /* TODO: It should only be possible to create textures for formats
 938      * that are reported as supported. */
 939     if (WINED3DFMT_UNKNOWN >= desc->format)
 940     {
 941         WARN("(%p) : Texture cannot be created with a format of WINED3DFMT_UNKNOWN.\n", texture);
 942         return WINED3DERR_INVALIDCALL;
 943     }
 944
 945     /* Non-power2 support. */
 946     if (gl_info->supported[ARB_TEXTURE_NON_POWER_OF_TWO])
 947     {
 948         pow2_width = desc->width;
 949         pow2_height = desc->height;
 950     }
 951     else
 952     {
 953         /* Find the nearest pow2 match. */
 954         pow2_width = pow2_height = 1;
 955         while (pow2_width < desc->width)
 956             pow2_width <<= 1;
 957         while (pow2_height < desc->height)
 958             pow2_height <<= 1;
 959
 960         if (pow2_width != desc->width || pow2_height != desc->height)
 961         {
 962             /* levels == 0 returns an error as well */
 963             if (levels != 1)
 964             {
 965                 if (desc->pool == WINED3D_POOL_SCRATCH)
 966                 {
 967                     WARN("Creating a scratch mipmapped NPOT texture despite lack of HW support.\n");
 968                 }
 969                 else
 970                 {
 971                     WARN("Attempted to create a mipmapped NPOT texture without unconditional NPOT support.\n");
 972                     return WINED3DERR_INVALIDCALL;
 973                 }
 974             }
 975         }
 976     }
 977
 978     /* Calculate levels for mip mapping. */
 979     if (desc->usage & WINED3DUSAGE_AUTOGENMIPMAP)
 980     {
 981         if (!gl_info->supported[SGIS_GENERATE_MIPMAP])
 982         {
 983             WARN("No mipmap generation support, returning WINED3DERR_INVALIDCALL.\n");
 984             return WINED3DERR_INVALIDCALL;
 985         }
 986
 987         if (levels > 1)
 988         {
 989             WARN("D3DUSAGE_AUTOGENMIPMAP is set, and level count > 1, returning WINED3DERR_INVALIDCALL.\n");
 990             return WINED3DERR_INVALIDCALL;
 991         }
 992
 993         levels = 1;
 994     }
 995     else if (!levels)
 996     {
 997         levels = wined3d_log2i(max(desc->width, desc->height)) + 1;
 998         TRACE("Calculated levels = %u.\n", levels);
 999     }
1000
1001     if (FAILED(hr = wined3d_texture_init(texture, &texture2d_ops, 1, levels,
1002             desc, device, parent, parent_ops, &texture_resource_ops)))
1003     {
1004         WARN("Failed to initialize texture, returning %#x.\n", hr);
1005         return hr;
1006     }
1007
1008     /* Precalculated scaling for 'faked' non power of two texture coords. */
1009     if (gl_info->supported[WINED3D_GL_NORMALIZED_TEXRECT]
1010             && (desc->width != pow2_width || desc->height != pow2_height))
1011     {
1012         texture->pow2_matrix[0] = 1.0f;
1013         texture->pow2_matrix[5] = 1.0f;
1014         texture->pow2_matrix[10] = 1.0f;
1015         texture->pow2_matrix[15] = 1.0f;
1016         texture->target = GL_TEXTURE_2D;
1017         texture->flags |= WINED3D_TEXTURE_COND_NP2;
1018         texture->min_mip_lookup = minMipLookup_noFilter;
1019     }
1020     else if (gl_info->supported[ARB_TEXTURE_RECTANGLE]
1021             && (desc->width != pow2_width || desc->height != pow2_height))
1022     {
1023         texture->pow2_matrix[0] = (float)desc->width;
1024         texture->pow2_matrix[5] = (float)desc->height;
1025         texture->pow2_matrix[10] = 1.0f;
1026         texture->pow2_matrix[15] = 1.0f;
1027         texture->target = GL_TEXTURE_RECTANGLE_ARB;
1028         texture->flags |= WINED3D_TEXTURE_COND_NP2;
1029         texture->flags &= ~WINED3D_TEXTURE_POW2_MAT_IDENT;
1030
1031         if (texture->resource.format->flags & WINED3DFMT_FLAG_FILTERING)
1032             texture->min_mip_lookup = minMipLookup_noMip;
1033         else
1034             texture->min_mip_lookup = minMipLookup_noFilter;
1035     }
1036     else
1037     {
1038         if ((desc->width != pow2_width) || (desc->height != pow2_height))
1039         {
1040             texture->pow2_matrix[0] = (((float)desc->width) / ((float)pow2_width));
1041             texture->pow2_matrix[5] = (((float)desc->height) / ((float)pow2_height));
1042             texture->flags &= ~WINED3D_TEXTURE_POW2_MAT_IDENT;
1043         }
1044         else
1045         {
1046             texture->pow2_matrix[0] = 1.0f;
1047             texture->pow2_matrix[5] = 1.0f;
1048         }
1049
1050         texture->pow2_matrix[10] = 1.0f;
1051         texture->pow2_matrix[15] = 1.0f;
1052         texture->target = GL_TEXTURE_2D;
1053     }
1054     TRACE("xf(%f) yf(%f)\n", texture->pow2_matrix[0], texture->pow2_matrix[5]);
1055
1056     /* Generate all the surfaces. */
1057     surface_desc = *desc;
1058     surface_desc.resource_type = WINED3D_RTYPE_SURFACE;
1059     for (i = 0; i < texture->level_count; ++i)
1060     {
1061         struct wined3d_surface *surface;
1062
1063         if (FAILED(hr = wined3d_surface_create(texture, &surface_desc,
1064                 texture->target, i, 0, surface_flags, &surface)))
1065         {
1066             WARN("Failed to create surface, hr %#x.\n", hr);
1067             wined3d_texture_cleanup(texture);
1068             return hr;
1069         }
1070
1071         texture->sub_resources[i] = &surface->resource;
1072         TRACE("Created surface level %u @ %p.\n", i, surface);
1073         /* Calculate the next mipmap level. */
1074         surface_desc.width = max(1, surface_desc.width >> 1);
1075         surface_desc.height = max(1, surface_desc.height >> 1);
1076     }
1077
1078     return WINED3D_OK;
1079 }
1080
1081 static void texture3d_sub_resource_load(struct wined3d_resource *sub_resource,
1082         struct wined3d_context *context, BOOL srgb)
1083 {
1084     wined3d_volume_load(volume_from_resource(sub_resource), context, srgb);
1085 }
1086
1087 static void texture3d_sub_resource_add_dirty_region(struct wined3d_resource *sub_resource,
1088         const struct wined3d_box *dirty_region)
1089 {
1090     wined3d_texture_set_dirty(volume_from_resource(sub_resource)->container);
1091 }
1092
1093 static void texture3d_sub_resource_cleanup(struct wined3d_resource *sub_resource)
1094 {
1095     struct wined3d_volume *volume = volume_from_resource(sub_resource);
1096
1097     wined3d_volume_destroy(volume);
1098 }
1099
1100 static const struct wined3d_texture_ops texture3d_ops =
1101 {
1102     texture3d_sub_resource_load,
1103     texture3d_sub_resource_add_dirty_region,
1104     texture3d_sub_resource_cleanup,
1105 };
1106
1107 static HRESULT volumetexture_init(struct wined3d_texture *texture, const struct wined3d_resource_desc *desc,
1108         UINT levels, struct wined3d_device *device, void *parent, const struct wined3d_parent_ops *parent_ops)
1109 {
1110     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
1111     struct wined3d_resource_desc volume_desc;
1112     unsigned int i;
1113     HRESULT hr;
1114
1115     /* TODO: It should only be possible to create textures for formats
1116      * that are reported as supported. */
1117     if (WINED3DFMT_UNKNOWN >= desc->format)
1118     {
1119         WARN("(%p) : Texture cannot be created with a format of WINED3DFMT_UNKNOWN.\n", texture);
1120         return WINED3DERR_INVALIDCALL;
1121     }
1122
1123     if (!gl_info->supported[EXT_TEXTURE3D])
1124     {
1125         WARN("(%p) : Texture cannot be created - no volume texture support.\n", texture);
1126         return WINED3DERR_INVALIDCALL;
1127     }
1128
1129     /* Calculate levels for mip mapping. */
1130     if (desc->usage & WINED3DUSAGE_AUTOGENMIPMAP)
1131     {
1132         if (!gl_info->supported[SGIS_GENERATE_MIPMAP])
1133         {
1134             WARN("No mipmap generation support, returning D3DERR_INVALIDCALL.\n");
1135             return WINED3DERR_INVALIDCALL;
1136         }
1137
1138         if (levels > 1)
1139         {
1140             WARN("D3DUSAGE_AUTOGENMIPMAP is set, and level count > 1, returning D3DERR_INVALIDCALL.\n");
1141             return WINED3DERR_INVALIDCALL;
1142         }
1143
1144         levels = 1;
1145     }
1146     else if (!levels)
1147     {
1148         levels = wined3d_log2i(max(max(desc->width, desc->height), desc->depth)) + 1;
1149         TRACE("Calculated levels = %u.\n", levels);
1150     }
1151
1152     if (!gl_info->supported[ARB_TEXTURE_NON_POWER_OF_TWO])
1153     {
1154         UINT pow2_w, pow2_h, pow2_d;
1155         pow2_w = 1;
1156         while (pow2_w < desc->width)
1157             pow2_w <<= 1;
1158         pow2_h = 1;
1159         while (pow2_h < desc->height)
1160             pow2_h <<= 1;
1161         pow2_d = 1;
1162         while (pow2_d < desc->depth)
1163             pow2_d <<= 1;
1164
1165         if (pow2_w != desc->width || pow2_h != desc->height || pow2_d != desc->depth)
1166         {
1167             if (desc->pool == WINED3D_POOL_SCRATCH)
1168             {
1169                 WARN("Creating a scratch NPOT volume texture despite lack of HW support.\n");
1170             }
1171             else
1172             {
1173                 WARN("Attempted to create a NPOT volume texture (%u, %u, %u) without GL support.\n",
1174                         desc->width, desc->height, desc->depth);
1175                 return WINED3DERR_INVALIDCALL;
1176             }
1177         }
1178     }
1179
1180     if (FAILED(hr = wined3d_texture_init(texture, &texture3d_ops, 1, levels,
1181             desc, device, parent, parent_ops, &texture_resource_ops)))
1182     {
1183         WARN("Failed to initialize texture, returning %#x.\n", hr);
1184         return hr;
1185     }
1186
1187     texture->pow2_matrix[0] = 1.0f;
1188     texture->pow2_matrix[5] = 1.0f;
1189     texture->pow2_matrix[10] = 1.0f;
1190     texture->pow2_matrix[15] = 1.0f;
1191     texture->target = GL_TEXTURE_3D;
1192
1193     /* Generate all the surfaces. */
1194     volume_desc = *desc;
1195     volume_desc.resource_type = WINED3D_RTYPE_VOLUME;
1196     for (i = 0; i < texture->level_count; ++i)
1197     {
1198         struct wined3d_volume *volume;
1199
1200         if (FAILED(hr = wined3d_volume_create(texture, &volume_desc, i, &volume)))
1201         {
1202             ERR("Creating a volume for the volume texture failed, hr %#x.\n", hr);
1203             wined3d_texture_cleanup(texture);
1204             return hr;
1205         }
1206
1207         texture->sub_resources[i] = &volume->resource;
1208
1209         /* Calculate the next mipmap level. */
1210         volume_desc.width = max(1, volume_desc.width >> 1);
1211         volume_desc.height = max(1, volume_desc.height >> 1);
1212         volume_desc.depth = max(1, volume_desc.depth >> 1);
1213     }
1214
1215     return WINED3D_OK;
1216 }
1217
1218 HRESULT CDECL wined3d_texture_create(struct wined3d_device *device, const struct wined3d_resource_desc *desc,
1219         UINT level_count, DWORD surface_flags, void *parent, const struct wined3d_parent_ops *parent_ops,
1220         struct wined3d_texture **texture)
1221 {
1222     struct wined3d_texture *object;
1223     HRESULT hr;
1224
1225     TRACE("device %p, desc %p, level_count %u, surface_flags %#x, parent %p, parent_ops %p, texture %p.\n",
1226             device, desc, level_count, surface_flags, parent, parent_ops, texture);
1227
1228     if (!(object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object))))
1229         return E_OUTOFMEMORY;
1230
1231     switch (desc->resource_type)
1232     {
1233         case WINED3D_RTYPE_TEXTURE:
1234             hr = texture_init(object, desc, level_count, surface_flags, device, parent, parent_ops);
1235             break;
1236
1237         case WINED3D_RTYPE_VOLUME_TEXTURE:
1238             hr = volumetexture_init(object, desc, level_count, device, parent, parent_ops);
1239             break;
1240
1241         case WINED3D_RTYPE_CUBE_TEXTURE:
1242             hr = cubetexture_init(object, desc, level_count, surface_flags, device, parent, parent_ops);
1243             break;
1244
1245         default:
1246             ERR("Invalid resource type %s.\n", debug_d3dresourcetype(desc->resource_type));
1247             hr = WINED3DERR_INVALIDCALL;
1248             break;
1249     }
1250
1251     if (FAILED(hr))
1252     {
1253         WARN("Failed to initialize texture, returning %#x.\n", hr);
1254         HeapFree(GetProcessHeap(), 0, object);
1255         return hr;
1256     }
1257
1258     TRACE("Created texture %p.\n", object);
1259     *texture = object;
1260
1261     return WINED3D_OK;
1262 }