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 HRESULT CDECL wined3d_texture_update_desc(struct wined3d_texture *texture, UINT width, UINT height,
 705         enum wined3d_format_id format_id, enum wined3d_multisample_type multisample_type,
 706         UINT multisample_quality, void *mem, UINT pitch)
 707 {
 708     struct wined3d_device *device = texture->resource.device;
 709     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 710     const struct wined3d_format *format = wined3d_get_format(gl_info, format_id);
 711     UINT resource_size = wined3d_format_calculate_size(format, device->surface_alignment, width, height, 1);
 712     struct wined3d_surface *surface;
 713
 714     TRACE("texture %p, width %u, height %u, format %s, multisample_type %#x, multisample_quality %u, "
 715             "mem %p, pitch %u.\n",
 716             texture, width, height, debug_d3dformat(format_id), multisample_type, multisample_type, mem, pitch);
 717
 718     if (!resource_size)
 719         return WINED3DERR_INVALIDCALL;
 720
 721     if (texture->level_count * texture->layer_count > 1)
 722     {
 723         WARN("Texture has multiple sub-resources, not supported.\n");
 724         return WINED3DERR_INVALIDCALL;
 725     }
 726
 727     if (texture->resource.type == WINED3D_RTYPE_VOLUME_TEXTURE)
 728     {
 729         WARN("Not supported on volume textures.\n");
 730         return WINED3DERR_INVALIDCALL;
 731     }
 732
 733     surface = surface_from_resource(texture->sub_resources[0]);
 734     if (surface->resource.map_count || (surface->flags & SFLAG_DCINUSE))
 735     {
 736         WARN("Surface is mapped or the DC is in use.\n");
 737         return WINED3DERR_INVALIDCALL;
 738     }
 739
 740     if (device->d3d_initialized)
 741         texture->resource.resource_ops->resource_unload(&texture->resource);
 742
 743     texture->resource.format = format;
 744     texture->resource.multisample_type = multisample_type;
 745     texture->resource.multisample_quality = multisample_quality;
 746     texture->resource.width = width;
 747     texture->resource.height = height;
 748
 749     return wined3d_surface_update_desc(surface, gl_info, mem, pitch);
 750 }
 751
 752 void CDECL wined3d_texture_generate_mipmaps(struct wined3d_texture *texture)
 753 {
 754     /* TODO: Implement filters using GL_SGI_generate_mipmaps. */
 755     FIXME("texture %p stub!\n", texture);
 756 }
 757
 758 struct wined3d_resource * CDECL wined3d_texture_get_sub_resource(struct wined3d_texture *texture,
 759         UINT sub_resource_idx)
 760 {
 761     UINT sub_count = texture->level_count * texture->layer_count;
 762
 763     TRACE("texture %p, sub_resource_idx %u.\n", texture, sub_resource_idx);
 764
 765     if (sub_resource_idx >= sub_count)
 766     {
 767         WARN("sub_resource_idx %u >= sub_count %u.\n", sub_resource_idx, sub_count);
 768         return NULL;
 769     }
 770
 771     return texture->sub_resources[sub_resource_idx];
 772 }
 773
 774 HRESULT CDECL wined3d_texture_add_dirty_region(struct wined3d_texture *texture,
 775         UINT layer, const struct wined3d_box *dirty_region)
 776 {
 777     struct wined3d_resource *sub_resource;
 778
 779     TRACE("texture %p, layer %u, dirty_region %p.\n", texture, layer, dirty_region);
 780
 781     if (!(sub_resource = wined3d_texture_get_sub_resource(texture, layer * texture->level_count)))
 782     {
 783         WARN("Failed to get sub-resource.\n");
 784         return WINED3DERR_INVALIDCALL;
 785     }
 786
 787     texture->texture_ops->texture_sub_resource_add_dirty_region(sub_resource, dirty_region);
 788
 789     return WINED3D_OK;
 790 }
 791
 792 static void texture2d_sub_resource_load(struct wined3d_resource *sub_resource,
 793         struct wined3d_context *context, BOOL srgb)
 794 {
 795     surface_load(surface_from_resource(sub_resource), srgb);
 796 }
 797
 798 static void texture2d_sub_resource_add_dirty_region(struct wined3d_resource *sub_resource,
 799         const struct wined3d_box *dirty_region)
 800 {
 801     struct wined3d_surface *surface = surface_from_resource(sub_resource);
 802
 803     surface_prepare_map_memory(surface);
 804     surface_load_location(surface, surface->resource.map_binding);
 805     surface_invalidate_location(surface, ~surface->resource.map_binding);
 806 }
 807
 808 static void texture2d_sub_resource_cleanup(struct wined3d_resource *sub_resource)
 809 {
 810     struct wined3d_surface *surface = surface_from_resource(sub_resource);
 811
 812     wined3d_surface_destroy(surface);
 813 }
 814
 815 static const struct wined3d_texture_ops texture2d_ops =
 816 {
 817     texture2d_sub_resource_load,
 818     texture2d_sub_resource_add_dirty_region,
 819     texture2d_sub_resource_cleanup,
 820 };
 821
 822 static ULONG texture_resource_incref(struct wined3d_resource *resource)
 823 {
 824     return wined3d_texture_incref(wined3d_texture_from_resource(resource));
 825 }
 826
 827 static ULONG texture_resource_decref(struct wined3d_resource *resource)
 828 {
 829     return wined3d_texture_decref(wined3d_texture_from_resource(resource));
 830 }
 831
 832 static void wined3d_texture_unload(struct wined3d_resource *resource)
 833 {
 834     struct wined3d_texture *texture = wined3d_texture_from_resource(resource);
 835     UINT sub_count = texture->level_count * texture->layer_count;
 836     UINT i;
 837
 838     TRACE("texture %p.\n", texture);
 839
 840     for (i = 0; i < sub_count; ++i)
 841     {
 842         struct wined3d_resource *sub_resource = texture->sub_resources[i];
 843
 844         sub_resource->resource_ops->resource_unload(sub_resource);
 845     }
 846
 847     wined3d_texture_unload_gl_texture(texture);
 848 }
 849
 850 static const struct wined3d_resource_ops texture_resource_ops =
 851 {
 852     texture_resource_incref,
 853     texture_resource_decref,
 854     wined3d_texture_unload,
 855 };
 856
 857 static HRESULT cubetexture_init(struct wined3d_texture *texture, const struct wined3d_resource_desc *desc,
 858         UINT levels, DWORD surface_flags, struct wined3d_device *device, void *parent,
 859         const struct wined3d_parent_ops *parent_ops)
 860 {
 861     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 862     struct wined3d_resource_desc surface_desc;
 863     unsigned int i, j;
 864     HRESULT hr;
 865
 866     /* TODO: It should only be possible to create textures for formats
 867      * that are reported as supported. */
 868     if (WINED3DFMT_UNKNOWN >= desc->format)
 869     {
 870         WARN("(%p) : Texture cannot be created with a format of WINED3DFMT_UNKNOWN.\n", texture);
 871         return WINED3DERR_INVALIDCALL;
 872     }
 873
 874     if (!gl_info->supported[ARB_TEXTURE_CUBE_MAP] && desc->pool != WINED3D_POOL_SCRATCH)
 875     {
 876         WARN("(%p) : Tried to create not supported cube texture.\n", texture);
 877         return WINED3DERR_INVALIDCALL;
 878     }
 879
 880     /* Calculate levels for mip mapping */
 881     if (desc->usage & WINED3DUSAGE_AUTOGENMIPMAP)
 882     {
 883         if (!gl_info->supported[SGIS_GENERATE_MIPMAP])
 884         {
 885             WARN("No mipmap generation support, returning D3DERR_INVALIDCALL.\n");
 886             return WINED3DERR_INVALIDCALL;
 887         }
 888
 889         if (levels > 1)
 890         {
 891             WARN("D3DUSAGE_AUTOGENMIPMAP is set, and level count > 1, returning D3DERR_INVALIDCALL.\n");
 892             return WINED3DERR_INVALIDCALL;
 893         }
 894
 895         levels = 1;
 896     }
 897     else if (!levels)
 898     {
 899         levels = wined3d_log2i(desc->width) + 1;
 900         TRACE("Calculated levels = %u.\n", levels);
 901     }
 902
 903     if (!gl_info->supported[ARB_TEXTURE_NON_POWER_OF_TWO])
 904     {
 905         UINT pow2_edge_length = 1;
 906         while (pow2_edge_length < desc->width)
 907             pow2_edge_length <<= 1;
 908
 909         if (desc->width != pow2_edge_length)
 910         {
 911             if (desc->pool == WINED3D_POOL_SCRATCH)
 912             {
 913                 /* SCRATCH textures cannot be used for texturing */
 914                 WARN("Creating a scratch NPOT cube texture despite lack of HW support.\n");
 915             }
 916             else
 917             {
 918                 WARN("Attempted to create a NPOT cube texture (edge length %u) without GL support.\n", desc->width);
 919                 return WINED3DERR_INVALIDCALL;
 920             }
 921         }
 922     }
 923
 924     if (FAILED(hr = wined3d_texture_init(texture, &texture2d_ops, 6, levels,
 925             desc, device, parent, parent_ops, &texture_resource_ops)))
 926     {
 927         WARN("Failed to initialize texture, returning %#x\n", hr);
 928         return hr;
 929     }
 930
 931     texture->pow2_matrix[0] = 1.0f;
 932     texture->pow2_matrix[5] = 1.0f;
 933     texture->pow2_matrix[10] = 1.0f;
 934     texture->pow2_matrix[15] = 1.0f;
 935     texture->target = GL_TEXTURE_CUBE_MAP_ARB;
 936
 937     /* Generate all the surfaces. */
 938     surface_desc = *desc;
 939     surface_desc.resource_type = WINED3D_RTYPE_SURFACE;
 940     for (i = 0; i < texture->level_count; ++i)
 941     {
 942         /* Create the 6 faces. */
 943         for (j = 0; j < 6; ++j)
 944         {
 945             static const GLenum cube_targets[6] =
 946             {
 947                 GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB,
 948                 GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB,
 949                 GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB,
 950                 GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB,
 951                 GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB,
 952                 GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB,
 953             };
 954             UINT idx = j * texture->level_count + i;
 955             struct wined3d_surface *surface;
 956
 957             if (FAILED(hr = wined3d_surface_create(texture, &surface_desc,
 958                     cube_targets[j], i, j, surface_flags, &surface)))
 959             {
 960                 WARN("Failed to create surface, hr %#x.\n", hr);
 961                 wined3d_texture_cleanup(texture);
 962                 return hr;
 963             }
 964
 965             texture->sub_resources[idx] = &surface->resource;
 966             TRACE("Created surface level %u @ %p.\n", i, surface);
 967         }
 968         surface_desc.width = max(1, surface_desc.width >> 1);
 969         surface_desc.height = surface_desc.width;
 970     }
 971
 972     return WINED3D_OK;
 973 }
 974
 975 static HRESULT texture_init(struct wined3d_texture *texture, const struct wined3d_resource_desc *desc,
 976         UINT levels, DWORD surface_flags, struct wined3d_device *device, void *parent,
 977         const struct wined3d_parent_ops *parent_ops)
 978 {
 979     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 980     struct wined3d_resource_desc surface_desc;
 981     UINT pow2_width, pow2_height;
 982     unsigned int i;
 983     HRESULT hr;
 984
 985     /* TODO: It should only be possible to create textures for formats
 986      * that are reported as supported. */
 987     if (WINED3DFMT_UNKNOWN >= desc->format)
 988     {
 989         WARN("(%p) : Texture cannot be created with a format of WINED3DFMT_UNKNOWN.\n", texture);
 990         return WINED3DERR_INVALIDCALL;
 991     }
 992
 993     /* Non-power2 support. */
 994     if (gl_info->supported[ARB_TEXTURE_NON_POWER_OF_TWO])
 995     {
 996         pow2_width = desc->width;
 997         pow2_height = desc->height;
 998     }
 999     else
1000     {
1001         /* Find the nearest pow2 match. */
1002         pow2_width = pow2_height = 1;
1003         while (pow2_width < desc->width)
1004             pow2_width <<= 1;
1005         while (pow2_height < desc->height)
1006             pow2_height <<= 1;
1007
1008         if (pow2_width != desc->width || pow2_height != desc->height)
1009         {
1010             /* levels == 0 returns an error as well */
1011             if (levels != 1)
1012             {
1013                 if (desc->pool == WINED3D_POOL_SCRATCH)
1014                 {
1015                     WARN("Creating a scratch mipmapped NPOT texture despite lack of HW support.\n");
1016                 }
1017                 else
1018                 {
1019                     WARN("Attempted to create a mipmapped NPOT texture without unconditional NPOT support.\n");
1020                     return WINED3DERR_INVALIDCALL;
1021                 }
1022             }
1023         }
1024     }
1025
1026     /* Calculate levels for mip mapping. */
1027     if (desc->usage & WINED3DUSAGE_AUTOGENMIPMAP)
1028     {
1029         if (!gl_info->supported[SGIS_GENERATE_MIPMAP])
1030         {
1031             WARN("No mipmap generation support, returning WINED3DERR_INVALIDCALL.\n");
1032             return WINED3DERR_INVALIDCALL;
1033         }
1034
1035         if (levels > 1)
1036         {
1037             WARN("D3DUSAGE_AUTOGENMIPMAP is set, and level count > 1, returning WINED3DERR_INVALIDCALL.\n");
1038             return WINED3DERR_INVALIDCALL;
1039         }
1040
1041         levels = 1;
1042     }
1043     else if (!levels)
1044     {
1045         levels = wined3d_log2i(max(desc->width, desc->height)) + 1;
1046         TRACE("Calculated levels = %u.\n", levels);
1047     }
1048
1049     if (FAILED(hr = wined3d_texture_init(texture, &texture2d_ops, 1, levels,
1050             desc, device, parent, parent_ops, &texture_resource_ops)))
1051     {
1052         WARN("Failed to initialize texture, returning %#x.\n", hr);
1053         return hr;
1054     }
1055
1056     /* Precalculated scaling for 'faked' non power of two texture coords. */
1057     if (gl_info->supported[WINED3D_GL_NORMALIZED_TEXRECT]
1058             && (desc->width != pow2_width || desc->height != pow2_height))
1059     {
1060         texture->pow2_matrix[0] = 1.0f;
1061         texture->pow2_matrix[5] = 1.0f;
1062         texture->pow2_matrix[10] = 1.0f;
1063         texture->pow2_matrix[15] = 1.0f;
1064         texture->target = GL_TEXTURE_2D;
1065         texture->flags |= WINED3D_TEXTURE_COND_NP2;
1066         texture->min_mip_lookup = minMipLookup_noFilter;
1067     }
1068     else if (gl_info->supported[ARB_TEXTURE_RECTANGLE]
1069             && (desc->width != pow2_width || desc->height != pow2_height))
1070     {
1071         texture->pow2_matrix[0] = (float)desc->width;
1072         texture->pow2_matrix[5] = (float)desc->height;
1073         texture->pow2_matrix[10] = 1.0f;
1074         texture->pow2_matrix[15] = 1.0f;
1075         texture->target = GL_TEXTURE_RECTANGLE_ARB;
1076         texture->flags |= WINED3D_TEXTURE_COND_NP2;
1077         texture->flags &= ~WINED3D_TEXTURE_POW2_MAT_IDENT;
1078
1079         if (texture->resource.format->flags & WINED3DFMT_FLAG_FILTERING)
1080             texture->min_mip_lookup = minMipLookup_noMip;
1081         else
1082             texture->min_mip_lookup = minMipLookup_noFilter;
1083     }
1084     else
1085     {
1086         if ((desc->width != pow2_width) || (desc->height != pow2_height))
1087         {
1088             texture->pow2_matrix[0] = (((float)desc->width) / ((float)pow2_width));
1089             texture->pow2_matrix[5] = (((float)desc->height) / ((float)pow2_height));
1090             texture->flags &= ~WINED3D_TEXTURE_POW2_MAT_IDENT;
1091         }
1092         else
1093         {
1094             texture->pow2_matrix[0] = 1.0f;
1095             texture->pow2_matrix[5] = 1.0f;
1096         }
1097
1098         texture->pow2_matrix[10] = 1.0f;
1099         texture->pow2_matrix[15] = 1.0f;
1100         texture->target = GL_TEXTURE_2D;
1101     }
1102     TRACE("xf(%f) yf(%f)\n", texture->pow2_matrix[0], texture->pow2_matrix[5]);
1103
1104     /* Generate all the surfaces. */
1105     surface_desc = *desc;
1106     surface_desc.resource_type = WINED3D_RTYPE_SURFACE;
1107     for (i = 0; i < texture->level_count; ++i)
1108     {
1109         struct wined3d_surface *surface;
1110
1111         if (FAILED(hr = wined3d_surface_create(texture, &surface_desc,
1112                 texture->target, i, 0, surface_flags, &surface)))
1113         {
1114             WARN("Failed to create surface, hr %#x.\n", hr);
1115             wined3d_texture_cleanup(texture);
1116             return hr;
1117         }
1118
1119         texture->sub_resources[i] = &surface->resource;
1120         TRACE("Created surface level %u @ %p.\n", i, surface);
1121         /* Calculate the next mipmap level. */
1122         surface_desc.width = max(1, surface_desc.width >> 1);
1123         surface_desc.height = max(1, surface_desc.height >> 1);
1124     }
1125
1126     return WINED3D_OK;
1127 }
1128
1129 static void texture3d_sub_resource_load(struct wined3d_resource *sub_resource,
1130         struct wined3d_context *context, BOOL srgb)
1131 {
1132     wined3d_volume_load(volume_from_resource(sub_resource), context, srgb);
1133 }
1134
1135 static void texture3d_sub_resource_add_dirty_region(struct wined3d_resource *sub_resource,
1136         const struct wined3d_box *dirty_region)
1137 {
1138     wined3d_texture_set_dirty(volume_from_resource(sub_resource)->container);
1139 }
1140
1141 static void texture3d_sub_resource_cleanup(struct wined3d_resource *sub_resource)
1142 {
1143     struct wined3d_volume *volume = volume_from_resource(sub_resource);
1144
1145     wined3d_volume_destroy(volume);
1146 }
1147
1148 static const struct wined3d_texture_ops texture3d_ops =
1149 {
1150     texture3d_sub_resource_load,
1151     texture3d_sub_resource_add_dirty_region,
1152     texture3d_sub_resource_cleanup,
1153 };
1154
1155 static HRESULT volumetexture_init(struct wined3d_texture *texture, const struct wined3d_resource_desc *desc,
1156         UINT levels, struct wined3d_device *device, void *parent, const struct wined3d_parent_ops *parent_ops)
1157 {
1158     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
1159     struct wined3d_resource_desc volume_desc;
1160     unsigned int i;
1161     HRESULT hr;
1162
1163     /* TODO: It should only be possible to create textures for formats
1164      * that are reported as supported. */
1165     if (WINED3DFMT_UNKNOWN >= desc->format)
1166     {
1167         WARN("(%p) : Texture cannot be created with a format of WINED3DFMT_UNKNOWN.\n", texture);
1168         return WINED3DERR_INVALIDCALL;
1169     }
1170
1171     if (!gl_info->supported[EXT_TEXTURE3D])
1172     {
1173         WARN("(%p) : Texture cannot be created - no volume texture support.\n", texture);
1174         return WINED3DERR_INVALIDCALL;
1175     }
1176
1177     /* Calculate levels for mip mapping. */
1178     if (desc->usage & WINED3DUSAGE_AUTOGENMIPMAP)
1179     {
1180         if (!gl_info->supported[SGIS_GENERATE_MIPMAP])
1181         {
1182             WARN("No mipmap generation support, returning D3DERR_INVALIDCALL.\n");
1183             return WINED3DERR_INVALIDCALL;
1184         }
1185
1186         if (levels > 1)
1187         {
1188             WARN("D3DUSAGE_AUTOGENMIPMAP is set, and level count > 1, returning D3DERR_INVALIDCALL.\n");
1189             return WINED3DERR_INVALIDCALL;
1190         }
1191
1192         levels = 1;
1193     }
1194     else if (!levels)
1195     {
1196         levels = wined3d_log2i(max(max(desc->width, desc->height), desc->depth)) + 1;
1197         TRACE("Calculated levels = %u.\n", levels);
1198     }
1199
1200     if (!gl_info->supported[ARB_TEXTURE_NON_POWER_OF_TWO])
1201     {
1202         UINT pow2_w, pow2_h, pow2_d;
1203         pow2_w = 1;
1204         while (pow2_w < desc->width)
1205             pow2_w <<= 1;
1206         pow2_h = 1;
1207         while (pow2_h < desc->height)
1208             pow2_h <<= 1;
1209         pow2_d = 1;
1210         while (pow2_d < desc->depth)
1211             pow2_d <<= 1;
1212
1213         if (pow2_w != desc->width || pow2_h != desc->height || pow2_d != desc->depth)
1214         {
1215             if (desc->pool == WINED3D_POOL_SCRATCH)
1216             {
1217                 WARN("Creating a scratch NPOT volume texture despite lack of HW support.\n");
1218             }
1219             else
1220             {
1221                 WARN("Attempted to create a NPOT volume texture (%u, %u, %u) without GL support.\n",
1222                         desc->width, desc->height, desc->depth);
1223                 return WINED3DERR_INVALIDCALL;
1224             }
1225         }
1226     }
1227
1228     if (FAILED(hr = wined3d_texture_init(texture, &texture3d_ops, 1, levels,
1229             desc, device, parent, parent_ops, &texture_resource_ops)))
1230     {
1231         WARN("Failed to initialize texture, returning %#x.\n", hr);
1232         return hr;
1233     }
1234
1235     texture->pow2_matrix[0] = 1.0f;
1236     texture->pow2_matrix[5] = 1.0f;
1237     texture->pow2_matrix[10] = 1.0f;
1238     texture->pow2_matrix[15] = 1.0f;
1239     texture->target = GL_TEXTURE_3D;
1240
1241     /* Generate all the surfaces. */
1242     volume_desc = *desc;
1243     volume_desc.resource_type = WINED3D_RTYPE_VOLUME;
1244     for (i = 0; i < texture->level_count; ++i)
1245     {
1246         struct wined3d_volume *volume;
1247
1248         if (FAILED(hr = wined3d_volume_create(texture, &volume_desc, i, &volume)))
1249         {
1250             ERR("Creating a volume for the volume texture failed, hr %#x.\n", hr);
1251             wined3d_texture_cleanup(texture);
1252             return hr;
1253         }
1254
1255         texture->sub_resources[i] = &volume->resource;
1256
1257         /* Calculate the next mipmap level. */
1258         volume_desc.width = max(1, volume_desc.width >> 1);
1259         volume_desc.height = max(1, volume_desc.height >> 1);
1260         volume_desc.depth = max(1, volume_desc.depth >> 1);
1261     }
1262
1263     return WINED3D_OK;
1264 }
1265
1266 HRESULT CDECL wined3d_texture_create(struct wined3d_device *device, const struct wined3d_resource_desc *desc,
1267         UINT level_count, DWORD surface_flags, void *parent, const struct wined3d_parent_ops *parent_ops,
1268         struct wined3d_texture **texture)
1269 {
1270     struct wined3d_texture *object;
1271     HRESULT hr;
1272
1273     TRACE("device %p, desc %p, level_count %u, surface_flags %#x, parent %p, parent_ops %p, texture %p.\n",
1274             device, desc, level_count, surface_flags, parent, parent_ops, texture);
1275
1276     if (!(object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object))))
1277         return E_OUTOFMEMORY;
1278
1279     switch (desc->resource_type)
1280     {
1281         case WINED3D_RTYPE_TEXTURE:
1282             hr = texture_init(object, desc, level_count, surface_flags, device, parent, parent_ops);
1283             break;
1284
1285         case WINED3D_RTYPE_VOLUME_TEXTURE:
1286             hr = volumetexture_init(object, desc, level_count, device, parent, parent_ops);
1287             break;
1288
1289         case WINED3D_RTYPE_CUBE_TEXTURE:
1290             hr = cubetexture_init(object, desc, level_count, surface_flags, device, parent, parent_ops);
1291             break;
1292
1293         default:
1294             ERR("Invalid resource type %s.\n", debug_d3dresourcetype(desc->resource_type));
1295             hr = WINED3DERR_INVALIDCALL;
1296             break;
1297     }
1298
1299     if (FAILED(hr))
1300     {
1301         WARN("Failed to initialize texture, returning %#x.\n", hr);
1302         HeapFree(GetProcessHeap(), 0, object);
1303         return hr;
1304     }
1305
1306     TRACE("Created texture %p.\n", object);
1307     *texture = object;
1308
1309     return WINED3D_OK;
1310 }