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, DWORD flags,
  32         struct wined3d_device *device, void *parent, const struct wined3d_parent_ops *parent_ops,
  33         const struct wined3d_resource_ops *resource_ops)
  34 {
  35     const struct wined3d_format *format = wined3d_get_format(&device->adapter->gl_info, desc->format);
  36     HRESULT hr;
  37
  38     TRACE("texture %p, texture_ops %p, layer_count %u, level_count %u, resource_type %s, format %s, "
  39             "multisample_type %#x, multisample_quality %#x, usage %s, pool %s, width %u, height %u, depth %u, "
  40             "flags %#x, device %p, parent %p, parent_ops %p, resource_ops %p.\n",
  41             texture, texture_ops, layer_count, level_count, debug_d3dresourcetype(desc->resource_type),
  42             debug_d3dformat(desc->format), desc->multisample_type, desc->multisample_quality,
  43             debug_d3dusage(desc->usage), debug_d3dpool(desc->pool), desc->width, desc->height, desc->depth,
  44             flags, device, parent, parent_ops, resource_ops);
  45
  46     if (FAILED(hr = resource_init(&texture->resource, device, desc->resource_type, format,
  47             desc->multisample_type, desc->multisample_quality, desc->usage, desc->pool,
  48             desc->width, desc->height, desc->depth, 0, parent, parent_ops, resource_ops)))
  49     {
  50         static unsigned int once;
  51
  52         /* DXTn 3D textures are not supported. Do not write the ERR for them. */
  53         if ((desc->format == WINED3DFMT_DXT1 || desc->format == WINED3DFMT_DXT2 || desc->format == WINED3DFMT_DXT3
  54                 || desc->format == WINED3DFMT_DXT4 || desc->format == WINED3DFMT_DXT5)
  55                 && !(format->flags[WINED3D_GL_RES_TYPE_TEX_2D] & WINED3DFMT_FLAG_TEXTURE)
  56                 && desc->resource_type != WINED3D_RTYPE_TEXTURE_3D && !once++)
  57             ERR_(winediag)("The application tried to create a DXTn texture, but the driver does not support them.\n");
  58
  59         WARN("Failed to initialize resource, returning %#x\n", hr);
  60         return hr;
  61     }
  62     wined3d_resource_update_draw_binding(&texture->resource);
  63
  64     texture->texture_ops = texture_ops;
  65     texture->sub_resources = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
  66             level_count * layer_count * sizeof(*texture->sub_resources));
  67     if (!texture->sub_resources)
  68     {
  69         ERR("Failed to allocate sub-resource array.\n");
  70         resource_cleanup(&texture->resource);
  71         return E_OUTOFMEMORY;
  72     }
  73
  74     texture->layer_count = layer_count;
  75     texture->level_count = level_count;
  76     texture->filter_type = (desc->usage & WINED3DUSAGE_AUTOGENMIPMAP) ? WINED3D_TEXF_LINEAR : WINED3D_TEXF_NONE;
  77     texture->lod = 0;
  78     texture->flags = WINED3D_TEXTURE_POW2_MAT_IDENT | WINED3D_TEXTURE_NORMALIZED_COORDS;
  79     if (flags & WINED3D_TEXTURE_CREATE_PIN_SYSMEM)
  80         texture->flags |= WINED3D_TEXTURE_PIN_SYSMEM;
  81
  82     return WINED3D_OK;
  83 }
  84
  85 /* A GL context is provided by the caller */
  86 static void gltexture_delete(const struct wined3d_gl_info *gl_info, struct gl_texture *tex)
  87 {
  88     gl_info->gl_ops.gl.p_glDeleteTextures(1, &tex->name);
  89     tex->name = 0;
  90 }
  91
  92 static void wined3d_texture_unload_gl_texture(struct wined3d_texture *texture)
  93 {
  94     struct wined3d_device *device = texture->resource.device;
  95     struct wined3d_context *context = NULL;
  96
  97     if (texture->texture_rgb.name || texture->texture_srgb.name)
  98     {
  99         context = context_acquire(device, NULL);
 100     }
 101
 102     if (texture->texture_rgb.name)
 103         gltexture_delete(context->gl_info, &texture->texture_rgb);
 104
 105     if (texture->texture_srgb.name)
 106         gltexture_delete(context->gl_info, &texture->texture_srgb);
 107
 108     if (context) context_release(context);
 109
 110     wined3d_texture_set_dirty(texture);
 111
 112     resource_unload(&texture->resource);
 113 }
 114
 115 static void wined3d_texture_cleanup(struct wined3d_texture *texture)
 116 {
 117     UINT sub_count = texture->level_count * texture->layer_count;
 118     UINT i;
 119
 120     TRACE("texture %p.\n", texture);
 121
 122     for (i = 0; i < sub_count; ++i)
 123     {
 124         struct wined3d_resource *sub_resource = texture->sub_resources[i];
 125
 126         if (sub_resource)
 127             texture->texture_ops->texture_sub_resource_cleanup(sub_resource);
 128     }
 129
 130     wined3d_texture_unload_gl_texture(texture);
 131     HeapFree(GetProcessHeap(), 0, texture->sub_resources);
 132     resource_cleanup(&texture->resource);
 133 }
 134
 135 void wined3d_texture_set_swapchain(struct wined3d_texture *texture, struct wined3d_swapchain *swapchain)
 136 {
 137     texture->swapchain = swapchain;
 138     wined3d_resource_update_draw_binding(&texture->resource);
 139 }
 140
 141 void wined3d_texture_set_dirty(struct wined3d_texture *texture)
 142 {
 143     texture->flags &= ~(WINED3D_TEXTURE_RGB_VALID | WINED3D_TEXTURE_SRGB_VALID);
 144 }
 145
 146 /* Context activation is done by the caller. */
 147 void wined3d_texture_bind(struct wined3d_texture *texture,
 148         struct wined3d_context *context, BOOL srgb)
 149 {
 150     const struct wined3d_gl_info *gl_info = context->gl_info;
 151     struct gl_texture *gl_tex;
 152     GLenum target;
 153
 154     TRACE("texture %p, context %p, srgb %#x.\n", texture, context, srgb);
 155
 156     if (!needs_separate_srgb_gl_texture(context))
 157         srgb = FALSE;
 158
 159     /* sRGB mode cache for preload() calls outside drawprim. */
 160     if (srgb)
 161         texture->flags |= WINED3D_TEXTURE_IS_SRGB;
 162     else
 163         texture->flags &= ~WINED3D_TEXTURE_IS_SRGB;
 164
 165     gl_tex = wined3d_texture_get_gl_texture(texture, srgb);
 166     target = texture->target;
 167
 168     if (gl_tex->name)
 169     {
 170         context_bind_texture(context, target, gl_tex->name);
 171         return;
 172     }
 173
 174     gl_info->gl_ops.gl.p_glGenTextures(1, &gl_tex->name);
 175     checkGLcall("glGenTextures");
 176     TRACE("Generated texture %d.\n", gl_tex->name);
 177
 178     if (!gl_tex->name)
 179     {
 180         ERR("Failed to generate a texture name.\n");
 181         return;
 182     }
 183
 184     /* Initialise the state of the texture object to the OpenGL defaults, not
 185      * the wined3d defaults. */
 186     gl_tex->sampler_desc.address_u = WINED3D_TADDRESS_WRAP;
 187     gl_tex->sampler_desc.address_v = WINED3D_TADDRESS_WRAP;
 188     gl_tex->sampler_desc.address_w = WINED3D_TADDRESS_WRAP;
 189     memset(gl_tex->sampler_desc.border_color, 0, sizeof(gl_tex->sampler_desc.border_color));
 190     gl_tex->sampler_desc.mag_filter = WINED3D_TEXF_LINEAR;
 191     gl_tex->sampler_desc.min_filter = WINED3D_TEXF_POINT; /* GL_NEAREST_MIPMAP_LINEAR */
 192     gl_tex->sampler_desc.mip_filter = WINED3D_TEXF_LINEAR; /* GL_NEAREST_MIPMAP_LINEAR */
 193     gl_tex->sampler_desc.lod_bias = 0.0f;
 194     gl_tex->sampler_desc.min_lod = -1000.0f;
 195     gl_tex->sampler_desc.max_lod = 1000.0f;
 196     gl_tex->sampler_desc.max_anisotropy = 1;
 197     gl_tex->sampler_desc.compare = FALSE;
 198     gl_tex->sampler_desc.comparison_func = WINED3D_CMP_LESSEQUAL;
 199     if (context->gl_info->supported[EXT_TEXTURE_SRGB_DECODE])
 200         gl_tex->sampler_desc.srgb_decode = TRUE;
 201     else
 202         gl_tex->sampler_desc.srgb_decode = srgb;
 203     gl_tex->base_level = 0;
 204     wined3d_texture_set_dirty(texture);
 205
 206     context_bind_texture(context, target, gl_tex->name);
 207
 208     if (texture->resource.usage & WINED3DUSAGE_AUTOGENMIPMAP)
 209     {
 210         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_GENERATE_MIPMAP_SGIS, GL_TRUE);
 211         checkGLcall("glTexParameteri(target, GL_GENERATE_MIPMAP_SGIS, GL_TRUE)");
 212     }
 213
 214     /* For a new texture we have to set the texture levels after binding the
 215      * texture. Beware that texture rectangles do not support mipmapping, but
 216      * set the maxmiplevel if we're relying on the partial
 217      * GL_ARB_texture_non_power_of_two emulation with texture rectangles.
 218      * (I.e., do not care about cond_np2 here, just look for
 219      * GL_TEXTURE_RECTANGLE_ARB.) */
 220     if (target != GL_TEXTURE_RECTANGLE_ARB)
 221     {
 222         TRACE("Setting GL_TEXTURE_MAX_LEVEL to %u.\n", texture->level_count - 1);
 223         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, texture->level_count - 1);
 224         checkGLcall("glTexParameteri(target, GL_TEXTURE_MAX_LEVEL, texture->level_count)");
 225     }
 226
 227     if (target == GL_TEXTURE_CUBE_MAP_ARB)
 228     {
 229         /* Cubemaps are always set to clamp, regardless of the sampler state. */
 230         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
 231         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 232         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
 233     }
 234
 235     if (texture->flags & WINED3D_TEXTURE_COND_NP2)
 236     {
 237         /* Conditinal non power of two textures use a different clamping
 238          * default. If we're using the GL_WINE_normalized_texrect partial
 239          * driver emulation, we're dealing with a GL_TEXTURE_2D texture which
 240          * has the address mode set to repeat - something that prevents us
 241          * from hitting the accelerated codepath. Thus manually set the GL
 242          * state. The same applies to filtering. Even if the texture has only
 243          * one mip level, the default LINEAR_MIPMAP_LINEAR filter causes a SW
 244          * fallback on macos. */
 245         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
 246         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 247         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
 248         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
 249         checkGLcall("glTexParameteri");
 250         gl_tex->sampler_desc.address_u = WINED3D_TADDRESS_CLAMP;
 251         gl_tex->sampler_desc.address_v = WINED3D_TADDRESS_CLAMP;
 252         gl_tex->sampler_desc.mag_filter = WINED3D_TEXF_POINT;
 253         gl_tex->sampler_desc.min_filter = WINED3D_TEXF_POINT;
 254         gl_tex->sampler_desc.mip_filter = WINED3D_TEXF_NONE;
 255     }
 256
 257     if (gl_info->supported[WINED3D_GL_LEGACY_CONTEXT] && gl_info->supported[ARB_DEPTH_TEXTURE])
 258     {
 259         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_DEPTH_TEXTURE_MODE_ARB, GL_INTENSITY);
 260         checkGLcall("glTexParameteri(GL_DEPTH_TEXTURE_MODE_ARB, GL_INTENSITY)");
 261     }
 262 }
 263
 264 /* Context activation is done by the caller. */
 265 void wined3d_texture_bind_and_dirtify(struct wined3d_texture *texture,
 266         struct wined3d_context *context, BOOL srgb)
 267 {
 268     DWORD active_sampler;
 269
 270     /* We don't need a specific texture unit, but after binding the texture
 271      * the current unit is dirty. Read the unit back instead of switching to
 272      * 0, this avoids messing around with the state manager's GL states. The
 273      * current texture unit should always be a valid one.
 274      *
 275      * To be more specific, this is tricky because we can implicitly be
 276      * called from sampler() in state.c. This means we can't touch anything
 277      * other than whatever happens to be the currently active texture, or we
 278      * would risk marking already applied sampler states dirty again. */
 279     active_sampler = context->rev_tex_unit_map[context->active_texture];
 280     if (active_sampler != WINED3D_UNMAPPED_STAGE)
 281         context_invalidate_state(context, STATE_SAMPLER(active_sampler));
 282     /* FIXME: Ideally we'd only do this when touching a binding that's used by
 283      * a shader. */
 284     context_invalidate_state(context, STATE_SHADER_RESOURCE_BINDING);
 285
 286     wined3d_texture_bind(texture, context, srgb);
 287 }
 288
 289 /* Context activation is done by the caller (state handler). */
 290 /* This function relies on the correct texture being bound and loaded. */
 291 void wined3d_texture_apply_sampler_desc(struct wined3d_texture *texture,
 292         const struct wined3d_sampler_desc *sampler_desc, const struct wined3d_context *context)
 293 {
 294     const struct wined3d_gl_info *gl_info = context->gl_info;
 295     GLenum target = texture->target;
 296     struct gl_texture *gl_tex;
 297     DWORD state;
 298
 299     TRACE("texture %p, sampler_desc %p, context %p.\n", texture, sampler_desc, context);
 300
 301     gl_tex = wined3d_texture_get_gl_texture(texture, texture->flags & WINED3D_TEXTURE_IS_SRGB);
 302
 303     state = sampler_desc->address_u;
 304     if (state != gl_tex->sampler_desc.address_u)
 305     {
 306         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_WRAP_S,
 307                 gl_info->wrap_lookup[state - WINED3D_TADDRESS_WRAP]);
 308         gl_tex->sampler_desc.address_u = state;
 309     }
 310
 311     state = sampler_desc->address_v;
 312     if (state != gl_tex->sampler_desc.address_v)
 313     {
 314         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_WRAP_T,
 315                 gl_info->wrap_lookup[state - WINED3D_TADDRESS_WRAP]);
 316         gl_tex->sampler_desc.address_v = state;
 317     }
 318
 319     state = sampler_desc->address_w;
 320     if (state != gl_tex->sampler_desc.address_w)
 321     {
 322         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_WRAP_R,
 323                 gl_info->wrap_lookup[state - WINED3D_TADDRESS_WRAP]);
 324         gl_tex->sampler_desc.address_w = state;
 325     }
 326
 327     if (memcmp(gl_tex->sampler_desc.border_color, sampler_desc->border_color,
 328             sizeof(gl_tex->sampler_desc.border_color)))
 329     {
 330         gl_info->gl_ops.gl.p_glTexParameterfv(target, GL_TEXTURE_BORDER_COLOR, &sampler_desc->border_color[0]);
 331         memcpy(gl_tex->sampler_desc.border_color, sampler_desc->border_color,
 332                 sizeof(gl_tex->sampler_desc.border_color));
 333     }
 334
 335     state = sampler_desc->mag_filter;
 336     if (state != gl_tex->sampler_desc.mag_filter)
 337     {
 338         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_MAG_FILTER, wined3d_gl_mag_filter(state));
 339         gl_tex->sampler_desc.mag_filter = state;
 340     }
 341
 342     if (sampler_desc->min_filter != gl_tex->sampler_desc.min_filter
 343             || sampler_desc->mip_filter != gl_tex->sampler_desc.mip_filter)
 344     {
 345         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_MIN_FILTER,
 346                 wined3d_gl_min_mip_filter(sampler_desc->min_filter, sampler_desc->mip_filter));
 347         gl_tex->sampler_desc.min_filter = sampler_desc->min_filter;
 348         gl_tex->sampler_desc.mip_filter = sampler_desc->mip_filter;
 349     }
 350
 351     state = sampler_desc->max_anisotropy;
 352     if (state != gl_tex->sampler_desc.max_anisotropy)
 353     {
 354         if (gl_info->supported[EXT_TEXTURE_FILTER_ANISOTROPIC])
 355             gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_MAX_ANISOTROPY_EXT, state);
 356         else
 357             WARN("Anisotropic filtering not supported.\n");
 358         gl_tex->sampler_desc.max_anisotropy = state;
 359     }
 360
 361     if (!sampler_desc->srgb_decode != !gl_tex->sampler_desc.srgb_decode
 362             && (context->d3d_info->wined3d_creation_flags & WINED3D_SRGB_READ_WRITE_CONTROL)
 363             && gl_info->supported[EXT_TEXTURE_SRGB_DECODE])
 364     {
 365         gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_SRGB_DECODE_EXT,
 366                 sampler_desc->srgb_decode ? GL_DECODE_EXT : GL_SKIP_DECODE_EXT);
 367         gl_tex->sampler_desc.srgb_decode = sampler_desc->srgb_decode;
 368     }
 369
 370     if (!sampler_desc->compare != !gl_tex->sampler_desc.compare)
 371     {
 372         if (sampler_desc->compare)
 373             gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB);
 374         else
 375             gl_info->gl_ops.gl.p_glTexParameteri(target, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);
 376         gl_tex->sampler_desc.compare = sampler_desc->compare;
 377     }
 378
 379     checkGLcall("Texture parameter application");
 380
 381     if (gl_info->supported[EXT_TEXTURE_LOD_BIAS])
 382     {
 383         gl_info->gl_ops.gl.p_glTexEnvf(GL_TEXTURE_FILTER_CONTROL_EXT,
 384                 GL_TEXTURE_LOD_BIAS_EXT, sampler_desc->lod_bias);
 385         checkGLcall("glTexEnvf(GL_TEXTURE_LOD_BIAS_EXT, ...)");
 386     }
 387 }
 388
 389 ULONG CDECL wined3d_texture_incref(struct wined3d_texture *texture)
 390 {
 391     ULONG refcount;
 392
 393     TRACE("texture %p, swapchain %p.\n", texture, texture->swapchain);
 394
 395     if (texture->swapchain)
 396         return wined3d_swapchain_incref(texture->swapchain);
 397
 398     refcount = InterlockedIncrement(&texture->resource.ref);
 399     TRACE("%p increasing refcount to %u.\n", texture, refcount);
 400
 401     return refcount;
 402 }
 403
 404 ULONG CDECL wined3d_texture_decref(struct wined3d_texture *texture)
 405 {
 406     ULONG refcount;
 407
 408     TRACE("texture %p, swapchain %p.\n", texture, texture->swapchain);
 409
 410     if (texture->swapchain)
 411         return wined3d_swapchain_decref(texture->swapchain);
 412
 413     refcount = InterlockedDecrement(&texture->resource.ref);
 414     TRACE("%p decreasing refcount to %u.\n", texture, refcount);
 415
 416     if (!refcount)
 417     {
 418         wined3d_texture_cleanup(texture);
 419         texture->resource.parent_ops->wined3d_object_destroyed(texture->resource.parent);
 420         HeapFree(GetProcessHeap(), 0, texture);
 421     }
 422
 423     return refcount;
 424 }
 425
 426 struct wined3d_resource * CDECL wined3d_texture_get_resource(struct wined3d_texture *texture)
 427 {
 428     TRACE("texture %p.\n", texture);
 429
 430     return &texture->resource;
 431 }
 432
 433 static BOOL color_key_equal(const struct wined3d_color_key *c1, struct wined3d_color_key *c2)
 434 {
 435     return c1->color_space_low_value == c2->color_space_low_value
 436             && c1->color_space_high_value == c2->color_space_high_value;
 437 }
 438
 439 /* Context activation is done by the caller */
 440 void wined3d_texture_load(struct wined3d_texture *texture,
 441         struct wined3d_context *context, BOOL srgb)
 442 {
 443     UINT sub_count = texture->level_count * texture->layer_count;
 444     const struct wined3d_d3d_info *d3d_info = context->d3d_info;
 445     DWORD flag;
 446     UINT i;
 447
 448     TRACE("texture %p, context %p, srgb %#x.\n", texture, context, srgb);
 449
 450     if (!needs_separate_srgb_gl_texture(context))
 451         srgb = FALSE;
 452
 453     if (srgb)
 454         flag = WINED3D_TEXTURE_SRGB_VALID;
 455     else
 456         flag = WINED3D_TEXTURE_RGB_VALID;
 457
 458     if (!d3d_info->shader_color_key
 459             && (!(texture->async.flags & WINED3D_TEXTURE_ASYNC_COLOR_KEY)
 460             != !(texture->async.color_key_flags & WINED3D_CKEY_SRC_BLT)
 461             || (texture->async.flags & WINED3D_TEXTURE_ASYNC_COLOR_KEY
 462             && !color_key_equal(&texture->async.gl_color_key, &texture->async.src_blt_color_key))))
 463     {
 464         unsigned int sub_count = texture->level_count * texture->layer_count;
 465         unsigned int i;
 466
 467         TRACE("Reloading because of color key value change.\n");
 468         for (i = 0; i < sub_count; i++)
 469             texture->texture_ops->texture_sub_resource_add_dirty_region(texture->sub_resources[i], NULL);
 470         wined3d_texture_set_dirty(texture);
 471
 472         texture->async.gl_color_key = texture->async.src_blt_color_key;
 473     }
 474
 475     if (texture->flags & flag)
 476     {
 477         TRACE("Texture %p not dirty, nothing to do.\n", texture);
 478         return;
 479     }
 480
 481     /* Reload the surfaces if the texture is marked dirty. */
 482     for (i = 0; i < sub_count; ++i)
 483     {
 484         texture->texture_ops->texture_sub_resource_load(texture->sub_resources[i], context, srgb);
 485     }
 486     texture->flags |= flag;
 487 }
 488
 489 void CDECL wined3d_texture_preload(struct wined3d_texture *texture)
 490 {
 491     struct wined3d_context *context;
 492     context = context_acquire(texture->resource.device, NULL);
 493     wined3d_texture_load(texture, context, texture->flags & WINED3D_TEXTURE_IS_SRGB);
 494     context_release(context);
 495 }
 496
 497 void * CDECL wined3d_texture_get_parent(const struct wined3d_texture *texture)
 498 {
 499     TRACE("texture %p.\n", texture);
 500
 501     return texture->resource.parent;
 502 }
 503
 504 void CDECL wined3d_texture_get_pitch(const struct wined3d_texture *texture,
 505         unsigned int level, unsigned int *row_pitch, unsigned int *slice_pitch)
 506 {
 507     const struct wined3d_resource *resource = &texture->resource;
 508     unsigned int width = max(1, texture->resource.width >> level);
 509     unsigned int height = max(1, texture->resource.height >> level);
 510
 511     if (texture->row_pitch)
 512     {
 513         *row_pitch = texture->row_pitch;
 514         *slice_pitch = texture->slice_pitch;
 515         return;
 516     }
 517
 518     wined3d_format_calculate_pitch(resource->format, resource->device->surface_alignment,
 519             width, height, row_pitch, slice_pitch);
 520 }
 521
 522 DWORD CDECL wined3d_texture_set_lod(struct wined3d_texture *texture, DWORD lod)
 523 {
 524     DWORD old = texture->lod;
 525
 526     TRACE("texture %p, lod %u.\n", texture, lod);
 527
 528     /* The d3d9:texture test shows that SetLOD is ignored on non-managed
 529      * textures. The call always returns 0, and GetLOD always returns 0. */
 530     if (texture->resource.pool != WINED3D_POOL_MANAGED)
 531     {
 532         TRACE("Ignoring SetLOD on %s texture, returning 0.\n", debug_d3dpool(texture->resource.pool));
 533         return 0;
 534     }
 535
 536     if (lod >= texture->level_count)
 537         lod = texture->level_count - 1;
 538
 539     if (texture->lod != lod)
 540     {
 541         texture->lod = lod;
 542
 543         texture->texture_rgb.base_level = ~0u;
 544         texture->texture_srgb.base_level = ~0u;
 545         if (texture->resource.bind_count)
 546             device_invalidate_state(texture->resource.device, STATE_SAMPLER(texture->sampler));
 547     }
 548
 549     return old;
 550 }
 551
 552 DWORD CDECL wined3d_texture_get_lod(const struct wined3d_texture *texture)
 553 {
 554     TRACE("texture %p, returning %u.\n", texture, texture->lod);
 555
 556     return texture->lod;
 557 }
 558
 559 DWORD CDECL wined3d_texture_get_level_count(const struct wined3d_texture *texture)
 560 {
 561     TRACE("texture %p, returning %u.\n", texture, texture->level_count);
 562
 563     return texture->level_count;
 564 }
 565
 566 HRESULT CDECL wined3d_texture_set_autogen_filter_type(struct wined3d_texture *texture,
 567         enum wined3d_texture_filter_type filter_type)
 568 {
 569     FIXME("texture %p, filter_type %s stub!\n", texture, debug_d3dtexturefiltertype(filter_type));
 570
 571     if (!(texture->resource.usage & WINED3DUSAGE_AUTOGENMIPMAP))
 572     {
 573         WARN("Texture doesn't have AUTOGENMIPMAP usage.\n");
 574         return WINED3DERR_INVALIDCALL;
 575     }
 576
 577     texture->filter_type = filter_type;
 578
 579     return WINED3D_OK;
 580 }
 581
 582 enum wined3d_texture_filter_type CDECL wined3d_texture_get_autogen_filter_type(const struct wined3d_texture *texture)
 583 {
 584     TRACE("texture %p.\n", texture);
 585
 586     return texture->filter_type;
 587 }
 588
 589 HRESULT CDECL wined3d_texture_set_color_key(struct wined3d_texture *texture,
 590         DWORD flags, const struct wined3d_color_key *color_key)
 591 {
 592     struct wined3d_device *device = texture->resource.device;
 593     static const DWORD all_flags = WINED3D_CKEY_DST_BLT | WINED3D_CKEY_DST_OVERLAY
 594             | WINED3D_CKEY_SRC_BLT | WINED3D_CKEY_SRC_OVERLAY;
 595
 596     TRACE("texture %p, flags %#x, color_key %p.\n", texture, flags, color_key);
 597
 598     if (flags & ~all_flags)
 599     {
 600         WARN("Invalid flags passed, returning WINED3DERR_INVALIDCALL.\n");
 601         return WINED3DERR_INVALIDCALL;
 602     }
 603
 604     wined3d_cs_emit_set_color_key(device->cs, texture, flags, color_key);
 605
 606     return WINED3D_OK;
 607 }
 608
 609 HRESULT CDECL wined3d_texture_update_desc(struct wined3d_texture *texture, UINT width, UINT height,
 610         enum wined3d_format_id format_id, enum wined3d_multisample_type multisample_type,
 611         UINT multisample_quality, void *mem, UINT pitch)
 612 {
 613     struct wined3d_device *device = texture->resource.device;
 614     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 615     const struct wined3d_format *format = wined3d_get_format(gl_info, format_id);
 616     UINT resource_size = wined3d_format_calculate_size(format, device->surface_alignment, width, height, 1);
 617     struct wined3d_surface *surface;
 618
 619     TRACE("texture %p, width %u, height %u, format %s, multisample_type %#x, multisample_quality %u, "
 620             "mem %p, pitch %u.\n",
 621             texture, width, height, debug_d3dformat(format_id), multisample_type, multisample_type, mem, pitch);
 622
 623     if (!resource_size)
 624         return WINED3DERR_INVALIDCALL;
 625
 626     if (texture->level_count * texture->layer_count > 1)
 627     {
 628         WARN("Texture has multiple sub-resources, not supported.\n");
 629         return WINED3DERR_INVALIDCALL;
 630     }
 631
 632     if (texture->resource.type == WINED3D_RTYPE_TEXTURE_3D)
 633     {
 634         WARN("Not supported on 3D textures.\n");
 635         return WINED3DERR_INVALIDCALL;
 636     }
 637
 638     /* We have no way of supporting a pitch that is not a multiple of the pixel
 639      * byte width short of uploading the texture row-by-row.
 640      * Fortunately that's not an issue since D3D9Ex doesn't allow a custom pitch
 641      * for user-memory textures (it always expects packed data) while DirectDraw
 642      * requires a 4-byte aligned pitch and doesn't support texture formats
 643      * larger than 4 bytes per pixel nor any format using 3 bytes per pixel.
 644      * This check is here to verify that the assumption holds. */
 645     if (pitch % texture->resource.format->byte_count)
 646     {
 647         WARN("Pitch unsupported, not a multiple of the texture format byte width.\n");
 648         return WINED3DERR_INVALIDCALL;
 649     }
 650
 651     surface = surface_from_resource(texture->sub_resources[0]);
 652     if (surface->resource.map_count || (surface->flags & SFLAG_DCINUSE))
 653     {
 654         WARN("Surface is mapped or the DC is in use.\n");
 655         return WINED3DERR_INVALIDCALL;
 656     }
 657
 658     if (device->d3d_initialized)
 659         texture->resource.resource_ops->resource_unload(&texture->resource);
 660
 661     texture->resource.format = format;
 662     texture->resource.multisample_type = multisample_type;
 663     texture->resource.multisample_quality = multisample_quality;
 664     texture->resource.width = width;
 665     texture->resource.height = height;
 666
 667     texture->user_memory = mem;
 668     if ((texture->row_pitch = pitch))
 669         texture->slice_pitch = height * pitch;
 670     else
 671         /* User memory surfaces don't have the regular surface alignment. */
 672         wined3d_format_calculate_pitch(format, 1, width, height,
 673                 &texture->row_pitch, &texture->slice_pitch);
 674
 675     return wined3d_surface_update_desc(surface, gl_info);
 676 }
 677
 678 void wined3d_texture_prepare_texture(struct wined3d_texture *texture, struct wined3d_context *context, BOOL srgb)
 679 {
 680     DWORD alloc_flag = srgb ? WINED3D_TEXTURE_SRGB_ALLOCATED : WINED3D_TEXTURE_RGB_ALLOCATED;
 681     const struct wined3d_d3d_info *d3d_info = context->d3d_info;
 682
 683     if (!d3d_info->shader_color_key
 684             && !(texture->async.flags & WINED3D_TEXTURE_ASYNC_COLOR_KEY)
 685             != !(texture->async.color_key_flags & WINED3D_CKEY_SRC_BLT))
 686     {
 687         wined3d_texture_force_reload(texture);
 688
 689         if (texture->async.color_key_flags & WINED3D_CKEY_SRC_BLT)
 690             texture->async.flags |= WINED3D_TEXTURE_ASYNC_COLOR_KEY;
 691     }
 692
 693     if (texture->flags & alloc_flag)
 694         return;
 695
 696     texture->texture_ops->texture_prepare_texture(texture, context, srgb);
 697     texture->flags |= alloc_flag;
 698 }
 699
 700 void wined3d_texture_force_reload(struct wined3d_texture *texture)
 701 {
 702     unsigned int sub_count = texture->level_count * texture->layer_count;
 703     unsigned int i;
 704
 705     texture->flags &= ~(WINED3D_TEXTURE_RGB_ALLOCATED | WINED3D_TEXTURE_SRGB_ALLOCATED
 706             | WINED3D_TEXTURE_CONVERTED);
 707     texture->async.flags &= ~WINED3D_TEXTURE_ASYNC_COLOR_KEY;
 708     for (i = 0; i < sub_count; ++i)
 709     {
 710         texture->texture_ops->texture_sub_resource_invalidate_location(texture->sub_resources[i],
 711                 WINED3D_LOCATION_TEXTURE_RGB | WINED3D_LOCATION_TEXTURE_SRGB);
 712     }
 713 }
 714
 715 void CDECL wined3d_texture_generate_mipmaps(struct wined3d_texture *texture)
 716 {
 717     /* TODO: Implement filters using GL_SGI_generate_mipmaps. */
 718     FIXME("texture %p stub!\n", texture);
 719 }
 720
 721 struct wined3d_resource * CDECL wined3d_texture_get_sub_resource(const struct wined3d_texture *texture,
 722         UINT sub_resource_idx)
 723 {
 724     UINT sub_count = texture->level_count * texture->layer_count;
 725
 726     TRACE("texture %p, sub_resource_idx %u.\n", texture, sub_resource_idx);
 727
 728     if (sub_resource_idx >= sub_count)
 729     {
 730         WARN("sub_resource_idx %u >= sub_count %u.\n", sub_resource_idx, sub_count);
 731         return NULL;
 732     }
 733
 734     return texture->sub_resources[sub_resource_idx];
 735 }
 736
 737 HRESULT CDECL wined3d_texture_add_dirty_region(struct wined3d_texture *texture,
 738         UINT layer, const struct wined3d_box *dirty_region)
 739 {
 740     struct wined3d_resource *sub_resource;
 741
 742     TRACE("texture %p, layer %u, dirty_region %s.\n", texture, layer, debug_box(dirty_region));
 743
 744     if (!(sub_resource = wined3d_texture_get_sub_resource(texture, layer * texture->level_count)))
 745     {
 746         WARN("Failed to get sub-resource.\n");
 747         return WINED3DERR_INVALIDCALL;
 748     }
 749
 750     texture->texture_ops->texture_sub_resource_add_dirty_region(sub_resource, dirty_region);
 751
 752     return WINED3D_OK;
 753 }
 754
 755 static HRESULT wined3d_texture_upload_data(struct wined3d_texture *texture,
 756         const struct wined3d_sub_resource_data *data)
 757 {
 758     unsigned int sub_count = texture->level_count * texture->layer_count;
 759     struct wined3d_context *context;
 760     unsigned int i;
 761
 762     for (i = 0; i < sub_count; ++i)
 763     {
 764         if (!data[i].data)
 765         {
 766             WARN("Invalid sub-resource data specified for sub-resource %u.\n", i);
 767             return E_INVALIDARG;
 768         }
 769     }
 770
 771     context = context_acquire(texture->resource.device, NULL);
 772
 773     wined3d_texture_prepare_texture(texture, context, FALSE);
 774     wined3d_texture_bind_and_dirtify(texture, context, FALSE);
 775
 776     for (i = 0; i < sub_count; ++i)
 777     {
 778         struct wined3d_resource *sub_resource = texture->sub_resources[i];
 779
 780         texture->texture_ops->texture_sub_resource_upload_data(sub_resource, context, &data[i]);
 781         texture->texture_ops->texture_sub_resource_validate_location(sub_resource, WINED3D_LOCATION_TEXTURE_RGB);
 782         texture->texture_ops->texture_sub_resource_invalidate_location(sub_resource, ~WINED3D_LOCATION_TEXTURE_RGB);
 783     }
 784
 785     context_release(context);
 786
 787     return WINED3D_OK;
 788 }
 789
 790 static void texture2d_sub_resource_load(struct wined3d_resource *sub_resource,
 791         struct wined3d_context *context, BOOL srgb)
 792 {
 793     surface_load(surface_from_resource(sub_resource), context, srgb);
 794 }
 795
 796 static void texture2d_sub_resource_add_dirty_region(struct wined3d_resource *sub_resource,
 797         const struct wined3d_box *dirty_region)
 798 {
 799     struct wined3d_surface *surface = surface_from_resource(sub_resource);
 800     struct wined3d_context *context;
 801
 802     surface_prepare_map_memory(surface);
 803     context = context_acquire(surface->resource.device, NULL);
 804     surface_load_location(surface, context, surface->resource.map_binding);
 805     context_release(context);
 806     surface_invalidate_location(surface, ~surface->resource.map_binding);
 807 }
 808
 809 static void texture2d_sub_resource_cleanup(struct wined3d_resource *sub_resource)
 810 {
 811     struct wined3d_surface *surface = surface_from_resource(sub_resource);
 812
 813     wined3d_surface_destroy(surface);
 814 }
 815
 816 static void texture2d_sub_resource_invalidate_location(struct wined3d_resource *sub_resource, DWORD location)
 817 {
 818     struct wined3d_surface *surface = surface_from_resource(sub_resource);
 819
 820     surface_invalidate_location(surface, location);
 821 }
 822
 823 static void texture2d_sub_resource_validate_location(struct wined3d_resource *sub_resource, DWORD location)
 824 {
 825     struct wined3d_surface *surface = surface_from_resource(sub_resource);
 826
 827     surface_validate_location(surface, location);
 828 }
 829
 830 static void texture2d_sub_resource_upload_data(struct wined3d_resource *sub_resource,
 831         const struct wined3d_context *context, const struct wined3d_sub_resource_data *data)
 832 {
 833     struct wined3d_surface *surface = surface_from_resource(sub_resource);
 834     static const POINT dst_point = {0, 0};
 835     struct wined3d_const_bo_address addr;
 836     RECT src_rect;
 837
 838     src_rect.left = 0;
 839     src_rect.top = 0;
 840     src_rect.right = surface->resource.width;
 841     src_rect.bottom = surface->resource.height;
 842
 843     addr.buffer_object = 0;
 844     addr.addr = data->data;
 845
 846     wined3d_surface_upload_data(surface, context->gl_info, surface->container->resource.format,
 847             &src_rect, data->row_pitch, &dst_point, FALSE, &addr);
 848 }
 849
 850 /* Context activation is done by the caller. */
 851 static void texture2d_prepare_texture(struct wined3d_texture *texture, struct wined3d_context *context, BOOL srgb)
 852 {
 853     UINT sub_count = texture->level_count * texture->layer_count;
 854     const struct wined3d_format *format = texture->resource.format;
 855     const struct wined3d_gl_info *gl_info = context->gl_info;
 856     const struct wined3d_color_key_conversion *conversion;
 857     GLenum internal;
 858     UINT i;
 859
 860     TRACE("texture %p, context %p, format %s.\n", texture, context, debug_d3dformat(format->id));
 861
 862     if (format->convert)
 863     {
 864         texture->flags |= WINED3D_TEXTURE_CONVERTED;
 865     }
 866     else if ((conversion = wined3d_format_get_color_key_conversion(texture, TRUE)))
 867     {
 868         texture->flags |= WINED3D_TEXTURE_CONVERTED;
 869         format = wined3d_get_format(gl_info, conversion->dst_format);
 870         TRACE("Using format %s for color key conversion.\n", debug_d3dformat(format->id));
 871     }
 872
 873     wined3d_texture_bind_and_dirtify(texture, context, srgb);
 874
 875     if (srgb)
 876         internal = format->glGammaInternal;
 877     else if (texture->resource.usage & WINED3DUSAGE_RENDERTARGET
 878             && wined3d_resource_is_offscreen(&texture->resource))
 879         internal = format->rtInternal;
 880     else
 881         internal = format->glInternal;
 882
 883     if (!internal)
 884         FIXME("No GL internal format for format %s.\n", debug_d3dformat(format->id));
 885
 886     TRACE("internal %#x, format %#x, type %#x.\n", internal, format->glFormat, format->glType);
 887
 888     for (i = 0; i < sub_count; ++i)
 889     {
 890         struct wined3d_surface *surface = surface_from_resource(texture->sub_resources[i]);
 891         GLsizei height = surface->pow2Height;
 892         GLsizei width = surface->pow2Width;
 893
 894         if (texture->resource.format_flags & WINED3DFMT_FLAG_HEIGHT_SCALE)
 895         {
 896             height *= format->height_scale.numerator;
 897             height /= format->height_scale.denominator;
 898         }
 899
 900         TRACE("surface %p, target %#x, level %d, width %d, height %d.\n",
 901                 surface, surface->texture_target, surface->texture_level, width, height);
 902
 903         gl_info->gl_ops.gl.p_glTexImage2D(surface->texture_target, surface->texture_level,
 904                 internal, width, height, 0, format->glFormat, format->glType, NULL);
 905         checkGLcall("glTexImage2D");
 906     }
 907 }
 908
 909 static const struct wined3d_texture_ops texture2d_ops =
 910 {
 911     texture2d_sub_resource_load,
 912     texture2d_sub_resource_add_dirty_region,
 913     texture2d_sub_resource_cleanup,
 914     texture2d_sub_resource_invalidate_location,
 915     texture2d_sub_resource_validate_location,
 916     texture2d_sub_resource_upload_data,
 917     texture2d_prepare_texture,
 918 };
 919
 920 static ULONG texture_resource_incref(struct wined3d_resource *resource)
 921 {
 922     return wined3d_texture_incref(wined3d_texture_from_resource(resource));
 923 }
 924
 925 static ULONG texture_resource_decref(struct wined3d_resource *resource)
 926 {
 927     return wined3d_texture_decref(wined3d_texture_from_resource(resource));
 928 }
 929
 930 static void wined3d_texture_unload(struct wined3d_resource *resource)
 931 {
 932     struct wined3d_texture *texture = wined3d_texture_from_resource(resource);
 933     UINT sub_count = texture->level_count * texture->layer_count;
 934     UINT i;
 935
 936     TRACE("texture %p.\n", texture);
 937
 938     for (i = 0; i < sub_count; ++i)
 939     {
 940         struct wined3d_resource *sub_resource = texture->sub_resources[i];
 941
 942         sub_resource->resource_ops->resource_unload(sub_resource);
 943     }
 944
 945     wined3d_texture_force_reload(texture);
 946     wined3d_texture_unload_gl_texture(texture);
 947 }
 948
 949 static HRESULT texture2d_resource_sub_resource_map(struct wined3d_resource *resource, unsigned int sub_resource_idx,
 950         struct wined3d_map_desc *map_desc, const struct wined3d_box *box, DWORD flags)
 951 {
 952     struct wined3d_resource *sub_resource;
 953
 954     if (!(sub_resource = wined3d_texture_get_sub_resource(wined3d_texture_from_resource(resource), sub_resource_idx)))
 955         return E_INVALIDARG;
 956
 957     return wined3d_surface_map(surface_from_resource(sub_resource), map_desc, box, flags);
 958 }
 959
 960 static HRESULT texture2d_resource_sub_resource_unmap(struct wined3d_resource *resource, unsigned int sub_resource_idx)
 961 {
 962     struct wined3d_resource *sub_resource;
 963
 964     if (!(sub_resource = wined3d_texture_get_sub_resource(wined3d_texture_from_resource(resource), sub_resource_idx)))
 965         return E_INVALIDARG;
 966
 967     return wined3d_surface_unmap(surface_from_resource(sub_resource));
 968 }
 969
 970 static const struct wined3d_resource_ops texture2d_resource_ops =
 971 {
 972     texture_resource_incref,
 973     texture_resource_decref,
 974     wined3d_texture_unload,
 975     texture2d_resource_sub_resource_map,
 976     texture2d_resource_sub_resource_unmap,
 977 };
 978
 979 static HRESULT texture_init(struct wined3d_texture *texture, const struct wined3d_resource_desc *desc,
 980         UINT level_count, DWORD flags, struct wined3d_device *device, void *parent,
 981         const struct wined3d_parent_ops *parent_ops)
 982 {
 983     unsigned int layer_count = desc->usage & WINED3DUSAGE_LEGACY_CUBEMAP ? 6 : 1;
 984     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 985     struct wined3d_resource_desc surface_desc;
 986     UINT pow2_width, pow2_height;
 987     unsigned int i, j;
 988     HRESULT hr;
 989
 990     /* TODO: It should only be possible to create textures for formats
 991      * that are reported as supported. */
 992     if (WINED3DFMT_UNKNOWN >= desc->format)
 993     {
 994         WARN("(%p) : Texture cannot be created with a format of WINED3DFMT_UNKNOWN.\n", texture);
 995         return WINED3DERR_INVALIDCALL;
 996     }
 997
 998     /* Non-power2 support. */
 999     if (gl_info->supported[ARB_TEXTURE_NON_POWER_OF_TWO])
1000     {
1001         pow2_width = desc->width;
1002         pow2_height = desc->height;
1003     }
1004     else
1005     {
1006         /* Find the nearest pow2 match. */
1007         pow2_width = pow2_height = 1;
1008         while (pow2_width < desc->width)
1009             pow2_width <<= 1;
1010         while (pow2_height < desc->height)
1011             pow2_height <<= 1;
1012
1013         if (pow2_width != desc->width || pow2_height != desc->height)
1014         {
1015             /* level_count == 0 returns an error as well */
1016             if (level_count != 1 || desc->usage & WINED3DUSAGE_LEGACY_CUBEMAP)
1017             {
1018                 if (desc->pool == WINED3D_POOL_SCRATCH)
1019                 {
1020                     WARN("Creating a scratch mipmapped/cube NPOT texture despite lack of HW support.\n");
1021                 }
1022                 else
1023                 {
1024                     WARN("Attempted to create a mipmapped/cube NPOT texture without unconditional NPOT support.\n");
1025                     return WINED3DERR_INVALIDCALL;
1026                 }
1027             }
1028         }
1029     }
1030
1031     /* Calculate levels for mip mapping. */
1032     if (desc->usage & WINED3DUSAGE_AUTOGENMIPMAP)
1033     {
1034         if (!gl_info->supported[SGIS_GENERATE_MIPMAP])
1035         {
1036             WARN("No mipmap generation support, returning WINED3DERR_INVALIDCALL.\n");
1037             return WINED3DERR_INVALIDCALL;
1038         }
1039
1040         if (level_count != 1)
1041         {
1042             WARN("WINED3DUSAGE_AUTOGENMIPMAP is set, and level count != 1, returning WINED3DERR_INVALIDCALL.\n");
1043             return WINED3DERR_INVALIDCALL;
1044         }
1045     }
1046
1047     if (FAILED(hr = wined3d_texture_init(texture, &texture2d_ops, layer_count, level_count, desc,
1048             flags, device, parent, parent_ops, &texture2d_resource_ops)))
1049     {
1050         WARN("Failed to initialize texture, returning %#x.\n", hr);
1051         return hr;
1052     }
1053
1054     /* Precalculated scaling for 'faked' non power of two texture coords. */
1055     if (texture->resource.gl_type == WINED3D_GL_RES_TYPE_TEX_RECT)
1056     {
1057         texture->pow2_matrix[0] = (float)desc->width;
1058         texture->pow2_matrix[5] = (float)desc->height;
1059         texture->pow2_matrix[10] = 1.0f;
1060         texture->pow2_matrix[15] = 1.0f;
1061         texture->target = GL_TEXTURE_RECTANGLE_ARB;
1062         texture->flags |= WINED3D_TEXTURE_COND_NP2;
1063         texture->flags &= ~(WINED3D_TEXTURE_POW2_MAT_IDENT | WINED3D_TEXTURE_NORMALIZED_COORDS);
1064     }
1065     else
1066     {
1067         if (desc->usage & WINED3DUSAGE_LEGACY_CUBEMAP)
1068             texture->target = GL_TEXTURE_CUBE_MAP_ARB;
1069         else
1070             texture->target = GL_TEXTURE_2D;
1071         if (desc->width == pow2_width && desc->height == pow2_height)
1072         {
1073             texture->pow2_matrix[0] = 1.0f;
1074             texture->pow2_matrix[5] = 1.0f;
1075         }
1076         else if (gl_info->supported[WINED3D_GL_NORMALIZED_TEXRECT])
1077         {
1078             texture->pow2_matrix[0] = 1.0f;
1079             texture->pow2_matrix[5] = 1.0f;
1080             texture->flags |= WINED3D_TEXTURE_COND_NP2;
1081         }
1082         else
1083         {
1084             texture->pow2_matrix[0] = (((float)desc->width) / ((float)pow2_width));
1085             texture->pow2_matrix[5] = (((float)desc->height) / ((float)pow2_height));
1086             texture->flags &= ~WINED3D_TEXTURE_POW2_MAT_IDENT;
1087         }
1088         texture->pow2_matrix[10] = 1.0f;
1089         texture->pow2_matrix[15] = 1.0f;
1090     }
1091     TRACE("xf(%f) yf(%f)\n", texture->pow2_matrix[0], texture->pow2_matrix[5]);
1092
1093     /* Generate all the surfaces. */
1094     surface_desc = *desc;
1095     surface_desc.resource_type = WINED3D_RTYPE_SURFACE;
1096     for (i = 0; i < texture->level_count; ++i)
1097     {
1098         for (j = 0; j < texture->layer_count; ++j)
1099         {
1100             static const GLenum cube_targets[6] =
1101             {
1102                 GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB,
1103                 GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB,
1104                 GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB,
1105                 GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB,
1106                 GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB,
1107                 GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB,
1108             };
1109             GLenum target = desc->usage & WINED3DUSAGE_LEGACY_CUBEMAP ? cube_targets[j] : texture->target;
1110             unsigned int idx = j * texture->level_count + i;
1111             struct wined3d_surface *surface;
1112
1113             if (FAILED(hr = wined3d_surface_create(texture, &surface_desc,
1114                     target, i, j, flags, &surface)))
1115             {
1116                 WARN("Failed to create surface, hr %#x.\n", hr);
1117                 wined3d_texture_cleanup(texture);
1118                 return hr;
1119             }
1120
1121             texture->sub_resources[idx] = &surface->resource;
1122             TRACE("Created surface level %u @ %p.\n", i, surface);
1123         }
1124         /* Calculate the next mipmap level. */
1125         surface_desc.width = max(1, surface_desc.width >> 1);
1126         surface_desc.height = max(1, surface_desc.height >> 1);
1127     }
1128
1129     return WINED3D_OK;
1130 }
1131
1132 static void texture3d_sub_resource_load(struct wined3d_resource *sub_resource,
1133         struct wined3d_context *context, BOOL srgb)
1134 {
1135     wined3d_volume_load(volume_from_resource(sub_resource), context, srgb);
1136 }
1137
1138 static void texture3d_sub_resource_add_dirty_region(struct wined3d_resource *sub_resource,
1139         const struct wined3d_box *dirty_region)
1140 {
1141     wined3d_texture_set_dirty(volume_from_resource(sub_resource)->container);
1142 }
1143
1144 static void texture3d_sub_resource_cleanup(struct wined3d_resource *sub_resource)
1145 {
1146     struct wined3d_volume *volume = volume_from_resource(sub_resource);
1147
1148     wined3d_volume_destroy(volume);
1149 }
1150
1151 static void texture3d_sub_resource_invalidate_location(struct wined3d_resource *sub_resource, DWORD location)
1152 {
1153     struct wined3d_volume *volume = volume_from_resource(sub_resource);
1154
1155     wined3d_volume_invalidate_location(volume, location);
1156 }
1157
1158 static void texture3d_sub_resource_validate_location(struct wined3d_resource *sub_resource, DWORD location)
1159 {
1160     struct wined3d_volume *volume = volume_from_resource(sub_resource);
1161
1162     wined3d_volume_validate_location(volume, location);
1163 }
1164
1165 static void texture3d_sub_resource_upload_data(struct wined3d_resource *sub_resource,
1166         const struct wined3d_context *context, const struct wined3d_sub_resource_data *data)
1167 {
1168     struct wined3d_volume *volume = volume_from_resource(sub_resource);
1169     struct wined3d_const_bo_address addr;
1170     unsigned int row_pitch, slice_pitch;
1171
1172     wined3d_texture_get_pitch(volume->container, volume->texture_level, &row_pitch, &slice_pitch);
1173     if (row_pitch != data->row_pitch || slice_pitch != data->slice_pitch)
1174         FIXME("Ignoring row/slice pitch (%u/%u).\n", data->row_pitch, data->slice_pitch);
1175
1176     addr.buffer_object = 0;
1177     addr.addr = data->data;
1178
1179     wined3d_volume_upload_data(volume, context, &addr);
1180 }
1181
1182 static void texture3d_prepare_texture(struct wined3d_texture *texture, struct wined3d_context *context, BOOL srgb)
1183 {
1184     unsigned int sub_count = texture->level_count * texture->layer_count;
1185     const struct wined3d_format *format = texture->resource.format;
1186     const struct wined3d_gl_info *gl_info = context->gl_info;
1187     unsigned int i;
1188
1189     wined3d_texture_bind_and_dirtify(texture, context, srgb);
1190
1191     for (i = 0; i < sub_count; ++i)
1192     {
1193         struct wined3d_volume *volume = volume_from_resource(texture->sub_resources[i]);
1194
1195         GL_EXTCALL(glTexImage3D(GL_TEXTURE_3D, volume->texture_level,
1196                 srgb ? format->glGammaInternal : format->glInternal,
1197                 volume->resource.width, volume->resource.height, volume->resource.depth,
1198                 0, format->glFormat, format->glType, NULL));
1199         checkGLcall("glTexImage3D");
1200     }
1201 }
1202
1203 static const struct wined3d_texture_ops texture3d_ops =
1204 {
1205     texture3d_sub_resource_load,
1206     texture3d_sub_resource_add_dirty_region,
1207     texture3d_sub_resource_cleanup,
1208     texture3d_sub_resource_invalidate_location,
1209     texture3d_sub_resource_validate_location,
1210     texture3d_sub_resource_upload_data,
1211     texture3d_prepare_texture,
1212 };
1213
1214 static HRESULT texture3d_resource_sub_resource_map(struct wined3d_resource *resource, unsigned int sub_resource_idx,
1215         struct wined3d_map_desc *map_desc, const struct wined3d_box *box, DWORD flags)
1216 {
1217     struct wined3d_resource *sub_resource;
1218
1219     if (!(sub_resource = wined3d_texture_get_sub_resource(wined3d_texture_from_resource(resource), sub_resource_idx)))
1220         return E_INVALIDARG;
1221
1222     return wined3d_volume_map(volume_from_resource(sub_resource), map_desc, box, flags);
1223 }
1224
1225 static HRESULT texture3d_resource_sub_resource_unmap(struct wined3d_resource *resource, unsigned int sub_resource_idx)
1226 {
1227     struct wined3d_resource *sub_resource;
1228
1229     if (!(sub_resource = wined3d_texture_get_sub_resource(wined3d_texture_from_resource(resource), sub_resource_idx)))
1230         return E_INVALIDARG;
1231
1232     return wined3d_volume_unmap(volume_from_resource(sub_resource));
1233 }
1234
1235 static const struct wined3d_resource_ops texture3d_resource_ops =
1236 {
1237     texture_resource_incref,
1238     texture_resource_decref,
1239     wined3d_texture_unload,
1240     texture3d_resource_sub_resource_map,
1241     texture3d_resource_sub_resource_unmap,
1242 };
1243
1244 static HRESULT volumetexture_init(struct wined3d_texture *texture, const struct wined3d_resource_desc *desc,
1245         UINT levels, struct wined3d_device *device, void *parent, const struct wined3d_parent_ops *parent_ops)
1246 {
1247     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
1248     struct wined3d_resource_desc volume_desc;
1249     unsigned int i;
1250     HRESULT hr;
1251
1252     /* TODO: It should only be possible to create textures for formats
1253      * that are reported as supported. */
1254     if (WINED3DFMT_UNKNOWN >= desc->format)
1255     {
1256         WARN("(%p) : Texture cannot be created with a format of WINED3DFMT_UNKNOWN.\n", texture);
1257         return WINED3DERR_INVALIDCALL;
1258     }
1259
1260     if (!gl_info->supported[EXT_TEXTURE3D])
1261     {
1262         WARN("(%p) : Texture cannot be created - no volume texture support.\n", texture);
1263         return WINED3DERR_INVALIDCALL;
1264     }
1265
1266     /* Calculate levels for mip mapping. */
1267     if (desc->usage & WINED3DUSAGE_AUTOGENMIPMAP)
1268     {
1269         if (!gl_info->supported[SGIS_GENERATE_MIPMAP])
1270         {
1271             WARN("No mipmap generation support, returning D3DERR_INVALIDCALL.\n");
1272             return WINED3DERR_INVALIDCALL;
1273         }
1274
1275         if (levels != 1)
1276         {
1277             WARN("WINED3DUSAGE_AUTOGENMIPMAP is set, and level count != 1, returning D3DERR_INVALIDCALL.\n");
1278             return WINED3DERR_INVALIDCALL;
1279         }
1280     }
1281
1282     if (!gl_info->supported[ARB_TEXTURE_NON_POWER_OF_TWO])
1283     {
1284         UINT pow2_w, pow2_h, pow2_d;
1285         pow2_w = 1;
1286         while (pow2_w < desc->width)
1287             pow2_w <<= 1;
1288         pow2_h = 1;
1289         while (pow2_h < desc->height)
1290             pow2_h <<= 1;
1291         pow2_d = 1;
1292         while (pow2_d < desc->depth)
1293             pow2_d <<= 1;
1294
1295         if (pow2_w != desc->width || pow2_h != desc->height || pow2_d != desc->depth)
1296         {
1297             if (desc->pool == WINED3D_POOL_SCRATCH)
1298             {
1299                 WARN("Creating a scratch NPOT volume texture despite lack of HW support.\n");
1300             }
1301             else
1302             {
1303                 WARN("Attempted to create a NPOT volume texture (%u, %u, %u) without GL support.\n",
1304                         desc->width, desc->height, desc->depth);
1305                 return WINED3DERR_INVALIDCALL;
1306             }
1307         }
1308     }
1309
1310     if (FAILED(hr = wined3d_texture_init(texture, &texture3d_ops, 1, levels, desc,
1311             0, device, parent, parent_ops, &texture3d_resource_ops)))
1312     {
1313         WARN("Failed to initialize texture, returning %#x.\n", hr);
1314         return hr;
1315     }
1316
1317     texture->pow2_matrix[0] = 1.0f;
1318     texture->pow2_matrix[5] = 1.0f;
1319     texture->pow2_matrix[10] = 1.0f;
1320     texture->pow2_matrix[15] = 1.0f;
1321     texture->target = GL_TEXTURE_3D;
1322
1323     /* Generate all the surfaces. */
1324     volume_desc = *desc;
1325     volume_desc.resource_type = WINED3D_RTYPE_VOLUME;
1326     for (i = 0; i < texture->level_count; ++i)
1327     {
1328         struct wined3d_volume *volume;
1329
1330         if (FAILED(hr = wined3d_volume_create(texture, &volume_desc, i, &volume)))
1331         {
1332             ERR("Creating a volume for the volume texture failed, hr %#x.\n", hr);
1333             wined3d_texture_cleanup(texture);
1334             return hr;
1335         }
1336
1337         texture->sub_resources[i] = &volume->resource;
1338
1339         /* Calculate the next mipmap level. */
1340         volume_desc.width = max(1, volume_desc.width >> 1);
1341         volume_desc.height = max(1, volume_desc.height >> 1);
1342         volume_desc.depth = max(1, volume_desc.depth >> 1);
1343     }
1344
1345     return WINED3D_OK;
1346 }
1347
1348 HRESULT CDECL wined3d_texture_blt(struct wined3d_texture *dst_texture, unsigned int dst_sub_resource_idx,
1349         const RECT *dst_rect, struct wined3d_texture *src_texture, unsigned int src_sub_resource_idx,
1350         const RECT *src_rect, DWORD flags, const WINEDDBLTFX *fx, enum wined3d_texture_filter_type filter)
1351 {
1352     struct wined3d_resource *dst_resource, *src_resource = NULL;
1353
1354     TRACE("dst_texture %p, dst_sub_resource_idx %u, dst_rect %s, src_texture %p, "
1355             "src_sub_resource_idx %u, src_rect %s, flags %#x, fx %p, filter %s.\n",
1356             dst_texture, dst_sub_resource_idx, wine_dbgstr_rect(dst_rect), src_texture,
1357             src_sub_resource_idx, wine_dbgstr_rect(src_rect), flags, fx, debug_d3dtexturefiltertype(filter));
1358
1359     if (!(dst_resource = wined3d_texture_get_sub_resource(dst_texture, dst_sub_resource_idx))
1360             || dst_resource->type != WINED3D_RTYPE_SURFACE)
1361         return WINED3DERR_INVALIDCALL;
1362
1363     if (src_texture)
1364     {
1365         if (!(src_resource = wined3d_texture_get_sub_resource(src_texture, src_sub_resource_idx))
1366                 || src_resource->type != WINED3D_RTYPE_SURFACE)
1367             return WINED3DERR_INVALIDCALL;
1368     }
1369
1370     return wined3d_surface_blt(surface_from_resource(dst_resource), dst_rect,
1371             src_resource ? surface_from_resource(src_resource) : NULL, src_rect, flags, fx, filter);
1372 }
1373
1374 HRESULT CDECL wined3d_texture_get_overlay_position(const struct wined3d_texture *texture,
1375         unsigned int sub_resource_idx, LONG *x, LONG *y)
1376 {
1377     struct wined3d_resource *sub_resource;
1378     struct wined3d_surface *surface;
1379
1380     TRACE("texture %p, sub_resource_idx %u, x %p, y %p.\n", texture, sub_resource_idx, x, y);
1381
1382     if (!(texture->resource.usage & WINED3DUSAGE_OVERLAY) || texture->resource.type != WINED3D_RTYPE_TEXTURE_2D
1383             || !(sub_resource = wined3d_texture_get_sub_resource(texture, sub_resource_idx)))
1384     {
1385         WARN("Invalid sub-resource specified.\n");
1386         return WINEDDERR_NOTAOVERLAYSURFACE;
1387     }
1388
1389     surface = surface_from_resource(sub_resource);
1390     if (!surface->overlay_dest)
1391     {
1392         TRACE("Overlay not visible.\n");
1393         *x = 0;
1394         *y = 0;
1395         return WINEDDERR_OVERLAYNOTVISIBLE;
1396     }
1397
1398     *x = surface->overlay_destrect.left;
1399     *y = surface->overlay_destrect.top;
1400
1401     TRACE("Returning position %d, %d.\n", *x, *y);
1402
1403     return WINED3D_OK;
1404 }
1405
1406 HRESULT CDECL wined3d_texture_set_overlay_position(struct wined3d_texture *texture,
1407         unsigned int sub_resource_idx, LONG x, LONG y)
1408 {
1409     struct wined3d_resource *sub_resource;
1410     struct wined3d_surface *surface;
1411     LONG w, h;
1412
1413     TRACE("texture %p, sub_resource_idx %u, x %d, y %d.\n", texture, sub_resource_idx, x, y);
1414
1415     if (!(texture->resource.usage & WINED3DUSAGE_OVERLAY) || texture->resource.type != WINED3D_RTYPE_TEXTURE_2D
1416             || !(sub_resource = wined3d_texture_get_sub_resource(texture, sub_resource_idx)))
1417     {
1418         WARN("Invalid sub-resource specified.\n");
1419         return WINEDDERR_NOTAOVERLAYSURFACE;
1420     }
1421
1422     surface = surface_from_resource(sub_resource);
1423     w = surface->overlay_destrect.right - surface->overlay_destrect.left;
1424     h = surface->overlay_destrect.bottom - surface->overlay_destrect.top;
1425     surface->overlay_destrect.left = x;
1426     surface->overlay_destrect.top = y;
1427     surface->overlay_destrect.right = x + w;
1428     surface->overlay_destrect.bottom = y + h;
1429
1430     return WINED3D_OK;
1431 }
1432
1433 HRESULT CDECL wined3d_texture_update_overlay(struct wined3d_texture *texture, unsigned int sub_resource_idx,
1434         const RECT *src_rect, struct wined3d_texture *dst_texture, unsigned int dst_sub_resource_idx,
1435         const RECT *dst_rect, DWORD flags, const WINEDDOVERLAYFX *fx)
1436 {
1437     struct wined3d_resource *sub_resource, *dst_sub_resource;
1438     struct wined3d_surface *surface, *dst_surface;
1439
1440     TRACE("texture %p, sub_resource_idx %u, src_rect %s, dst_texture %p, "
1441             "dst_sub_resource_idx %u, dst_rect %s, flags %#x, fx %p.\n",
1442             texture, sub_resource_idx, wine_dbgstr_rect(src_rect), dst_texture,
1443             dst_sub_resource_idx, wine_dbgstr_rect(dst_rect), flags, fx);
1444
1445     if (!(texture->resource.usage & WINED3DUSAGE_OVERLAY) || texture->resource.type != WINED3D_RTYPE_TEXTURE_2D
1446             || !(sub_resource = wined3d_texture_get_sub_resource(texture, sub_resource_idx)))
1447     {
1448         WARN("Invalid sub-resource specified.\n");
1449         return WINEDDERR_NOTAOVERLAYSURFACE;
1450     }
1451
1452     if (!dst_texture || dst_texture->resource.type != WINED3D_RTYPE_TEXTURE_2D
1453             || !(dst_sub_resource = wined3d_texture_get_sub_resource(dst_texture, dst_sub_resource_idx)))
1454     {
1455         WARN("Invalid destination sub-resource specified.\n");
1456         return WINED3DERR_INVALIDCALL;
1457     }
1458
1459     surface = surface_from_resource(sub_resource);
1460     if (src_rect)
1461         surface->overlay_srcrect = *src_rect;
1462     else
1463         SetRect(&surface->overlay_srcrect, 0, 0, surface->resource.width, surface->resource.height);
1464
1465     dst_surface = surface_from_resource(dst_sub_resource);
1466     if (dst_rect)
1467         surface->overlay_destrect = *dst_rect;
1468     else
1469         SetRect(&surface->overlay_destrect, 0, 0, dst_surface->resource.width, dst_surface->resource.height);
1470
1471     if (surface->overlay_dest && (surface->overlay_dest != dst_surface || flags & WINEDDOVER_HIDE))
1472     {
1473         surface->overlay_dest = NULL;
1474         list_remove(&surface->overlay_entry);
1475     }
1476
1477     if (flags & WINEDDOVER_SHOW)
1478     {
1479         if (surface->overlay_dest != dst_surface)
1480         {
1481             surface->overlay_dest = dst_surface;
1482             list_add_tail(&dst_surface->overlays, &surface->overlay_entry);
1483         }
1484     }
1485     else if (flags & WINEDDOVER_HIDE)
1486     {
1487         /* Tests show that the rectangles are erased on hide. */
1488         surface->overlay_srcrect.left = 0; surface->overlay_srcrect.top = 0;
1489         surface->overlay_srcrect.right = 0; surface->overlay_srcrect.bottom = 0;
1490         surface->overlay_destrect.left = 0; surface->overlay_destrect.top = 0;
1491         surface->overlay_destrect.right = 0; surface->overlay_destrect.bottom = 0;
1492         surface->overlay_dest = NULL;
1493     }
1494
1495     return WINED3D_OK;
1496 }
1497
1498 HRESULT CDECL wined3d_texture_create(struct wined3d_device *device, const struct wined3d_resource_desc *desc,
1499         UINT level_count, DWORD flags, const struct wined3d_sub_resource_data *data, void *parent,
1500         const struct wined3d_parent_ops *parent_ops, struct wined3d_texture **texture)
1501 {
1502     struct wined3d_texture *object;
1503     HRESULT hr;
1504
1505     TRACE("device %p, desc %p, level_count %u, flags %#x, data %p, parent %p, parent_ops %p, texture %p.\n",
1506             device, desc, level_count, flags, data, parent, parent_ops, texture);
1507
1508     if (!level_count)
1509     {
1510         WARN("Invalid level count.\n");
1511         return WINED3DERR_INVALIDCALL;
1512     }
1513
1514     if (desc->multisample_type != WINED3D_MULTISAMPLE_NONE)
1515     {
1516         const struct wined3d_format *format = wined3d_get_format(&device->adapter->gl_info, desc->format);
1517
1518         if (desc->multisample_type == WINED3D_MULTISAMPLE_NON_MASKABLE
1519                 && desc->multisample_quality >= wined3d_popcount(format->multisample_types))
1520         {
1521             WARN("Unsupported quality level %u requested for WINED3D_MULTISAMPLE_NON_MASKABLE.\n",
1522                     desc->multisample_quality);
1523             return WINED3DERR_NOTAVAILABLE;
1524         }
1525         if (desc->multisample_type != WINED3D_MULTISAMPLE_NON_MASKABLE
1526                 && (!(format->multisample_types & 1u << (desc->multisample_type - 1))
1527                 || desc->multisample_quality))
1528         {
1529             WARN("Unsupported multisample type %u quality %u requested.\n", desc->multisample_type,
1530                     desc->multisample_quality);
1531             return WINED3DERR_NOTAVAILABLE;
1532         }
1533     }
1534
1535     if (!(object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object))))
1536         return E_OUTOFMEMORY;
1537
1538     switch (desc->resource_type)
1539     {
1540         case WINED3D_RTYPE_TEXTURE_2D:
1541             hr = texture_init(object, desc, level_count, flags, device, parent, parent_ops);
1542             break;
1543
1544         case WINED3D_RTYPE_TEXTURE_3D:
1545             hr = volumetexture_init(object, desc, level_count, device, parent, parent_ops);
1546             break;
1547
1548         default:
1549             ERR("Invalid resource type %s.\n", debug_d3dresourcetype(desc->resource_type));
1550             hr = WINED3DERR_INVALIDCALL;
1551             break;
1552     }
1553
1554     if (FAILED(hr))
1555     {
1556         WARN("Failed to initialize texture, returning %#x.\n", hr);
1557         HeapFree(GetProcessHeap(), 0, object);
1558         return hr;
1559     }
1560
1561     /* FIXME: We'd like to avoid ever allocating system memory for the texture
1562      * in this case. */
1563     if (data && FAILED(hr = wined3d_texture_upload_data(object, data)))
1564     {
1565         wined3d_texture_cleanup(object);
1566         HeapFree(GetProcessHeap(), 0, object);
1567         return hr;
1568     }
1569
1570     TRACE("Created texture %p.\n", object);
1571     *texture = object;
1572
1573     return WINED3D_OK;
1574 }
1575
1576 HRESULT CDECL wined3d_texture_get_dc(struct wined3d_texture *texture, unsigned int sub_resource_idx, HDC *dc)
1577 {
1578     struct wined3d_device *device = texture->resource.device;
1579     struct wined3d_context *context = NULL;
1580     struct wined3d_resource *sub_resource;
1581     struct wined3d_surface *surface;
1582     HRESULT hr;
1583
1584     TRACE("texture %p, sub_resource_idx %u, dc %p.\n", texture, sub_resource_idx, dc);
1585
1586     if (!(sub_resource = wined3d_texture_get_sub_resource(texture, sub_resource_idx)))
1587         return WINED3DERR_INVALIDCALL;
1588
1589     if (sub_resource->type != WINED3D_RTYPE_SURFACE)
1590     {
1591         WARN("Not supported on %s resources.\n", debug_d3dresourcetype(texture->resource.type));
1592         return WINED3DERR_INVALIDCALL;
1593     }
1594
1595     surface = surface_from_resource(sub_resource);
1596
1597     /* Give more detailed info for ddraw. */
1598     if (surface->flags & SFLAG_DCINUSE)
1599         return WINEDDERR_DCALREADYCREATED;
1600
1601     /* Can't GetDC if the surface is locked. */
1602     if (surface->resource.map_count)
1603         return WINED3DERR_INVALIDCALL;
1604
1605     if (device->d3d_initialized)
1606         context = context_acquire(device, NULL);
1607
1608     /* Create a DIB section if there isn't a dc yet. */
1609     if (!surface->hDC)
1610     {
1611         if (FAILED(hr = surface_create_dib_section(surface)))
1612         {
1613             if (context)
1614                 context_release(context);
1615              return WINED3DERR_INVALIDCALL;
1616         }
1617         if (!(surface->resource.map_binding == WINED3D_LOCATION_USER_MEMORY
1618                 || surface->container->flags & WINED3D_TEXTURE_PIN_SYSMEM
1619                 || surface->pbo))
1620             surface->resource.map_binding = WINED3D_LOCATION_DIB;
1621     }
1622
1623     surface_load_location(surface, context, WINED3D_LOCATION_DIB);
1624     surface_invalidate_location(surface, ~WINED3D_LOCATION_DIB);
1625
1626     if (context)
1627         context_release(context);
1628
1629     surface->flags |= SFLAG_DCINUSE;
1630     surface->resource.map_count++;
1631
1632     *dc = surface->hDC;
1633     TRACE("Returning dc %p.\n", *dc);
1634
1635     return WINED3D_OK;
1636 }
1637
1638 HRESULT CDECL wined3d_texture_release_dc(struct wined3d_texture *texture, unsigned int sub_resource_idx, HDC dc)
1639 {
1640     struct wined3d_device *device = texture->resource.device;
1641     struct wined3d_context *context = NULL;
1642     struct wined3d_resource *sub_resource;
1643     struct wined3d_surface *surface;
1644
1645     TRACE("texture %p, sub_resource_idx %u, dc %p.\n", texture, sub_resource_idx, dc);
1646
1647     if (!(sub_resource = wined3d_texture_get_sub_resource(texture, sub_resource_idx)))
1648         return WINED3DERR_INVALIDCALL;
1649
1650     if (sub_resource->type != WINED3D_RTYPE_SURFACE)
1651     {
1652         WARN("Not supported on %s resources.\n", debug_d3dresourcetype(texture->resource.type));
1653         return WINED3DERR_INVALIDCALL;
1654     }
1655
1656     surface = surface_from_resource(sub_resource);
1657
1658     if (!(surface->flags & SFLAG_DCINUSE))
1659         return WINEDDERR_NODC;
1660
1661     if (surface->hDC != dc)
1662     {
1663         WARN("Application tries to release invalid DC %p, surface DC is %p.\n",
1664                 dc, surface->hDC);
1665         return WINEDDERR_NODC;
1666     }
1667
1668     surface->resource.map_count--;
1669     surface->flags &= ~SFLAG_DCINUSE;
1670
1671     if (surface->resource.map_binding == WINED3D_LOCATION_USER_MEMORY
1672             || (surface->container->flags & WINED3D_TEXTURE_PIN_SYSMEM
1673             && surface->resource.map_binding != WINED3D_LOCATION_DIB))
1674     {
1675         /* The game Salammbo modifies the surface contents without mapping the surface between
1676          * a GetDC/ReleaseDC operation and flipping the surface. If the DIB remains the active
1677          * copy and is copied to the screen, this update, which draws the mouse pointer, is lost.
1678          * Do not only copy the DIB to the map location, but also make sure the map location is
1679          * copied back to the DIB in the next getdc call.
1680          *
1681          * The same consideration applies to user memory surfaces. */
1682
1683         if (device->d3d_initialized)
1684             context = context_acquire(device, NULL);
1685
1686         surface_load_location(surface, context, surface->resource.map_binding);
1687         surface_invalidate_location(surface, WINED3D_LOCATION_DIB);
1688         if (context)
1689             context_release(context);
1690     }
1691
1692     return WINED3D_OK;
1693 }