dlls/d3dcompiler_43/compiler.c

   1 /*
   2  * Copyright 2009 Matteo Bruni
   3  * Copyright 2010 Matteo Bruni for CodeWeavers
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #define COBJMACROS
  21 #include "config.h"
  22 #include "wine/port.h"
  23 #include "wine/debug.h"
  24 #include "wine/unicode.h"
  25
  26 #include "d3dcompiler_private.h"
  27 #include "wine/wpp.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(d3dcompiler);
  30
  31 #define D3DXERR_INVALIDDATA                      0x88760b59
  32
  33 #define BUFFER_INITIAL_CAPACITY 256
  34
  35 struct mem_file_desc
  36 {
  37     const char *buffer;
  38     unsigned int size;
  39     unsigned int pos;
  40 };
  41
  42 static struct mem_file_desc current_shader;
  43 static ID3DInclude *current_include;
  44 static const char *initial_filename;
  45
  46 #define INCLUDES_INITIAL_CAPACITY 4
  47
  48 struct loaded_include
  49 {
  50     const char *name;
  51     const char *data;
  52 };
  53
  54 static struct loaded_include *includes;
  55 static int includes_capacity, includes_size;
  56 static const char *parent_include;
  57
  58 static char *wpp_output;
  59 static int wpp_output_capacity, wpp_output_size;
  60
  61 static char *wpp_messages;
  62 static int wpp_messages_capacity, wpp_messages_size;
  63
  64 /* Mutex used to guarantee a single invocation
  65    of the D3DXAssembleShader function (or its variants) at a time.
  66    This is needed as wpp isn't thread-safe */
  67 static CRITICAL_SECTION wpp_mutex;
  68 static CRITICAL_SECTION_DEBUG wpp_mutex_debug =
  69 {
  70     0, 0, &wpp_mutex,
  71     { &wpp_mutex_debug.ProcessLocksList,
  72       &wpp_mutex_debug.ProcessLocksList },
  73       0, 0, { (DWORD_PTR)(__FILE__ ": wpp_mutex") }
  74 };
  75 static CRITICAL_SECTION wpp_mutex = { &wpp_mutex_debug, -1, 0, 0, 0, 0 };
  76
  77 /* Preprocessor error reporting functions */
  78 static void wpp_write_message(const char *fmt, va_list args)
  79 {
  80     char* newbuffer;
  81     int rc, newsize;
  82
  83     if(wpp_messages_capacity == 0)
  84     {
  85         wpp_messages = HeapAlloc(GetProcessHeap(), 0, MESSAGEBUFFER_INITIAL_SIZE);
  86         if(wpp_messages == NULL)
  87             return;
  88
  89         wpp_messages_capacity = MESSAGEBUFFER_INITIAL_SIZE;
  90     }
  91
  92     while(1)
  93     {
  94         rc = vsnprintf(wpp_messages + wpp_messages_size,
  95                        wpp_messages_capacity - wpp_messages_size, fmt, args);
  96
  97         if (rc < 0 ||                                           /* C89 */
  98             rc >= wpp_messages_capacity - wpp_messages_size) {  /* C99 */
  99             /* Resize the buffer */
 100             newsize = wpp_messages_capacity * 2;
 101             newbuffer = HeapReAlloc(GetProcessHeap(), 0, wpp_messages, newsize);
 102             if(newbuffer == NULL)
 103             {
 104                 ERR("Error reallocating memory for parser messages\n");
 105                 return;
 106             }
 107             wpp_messages = newbuffer;
 108             wpp_messages_capacity = newsize;
 109         }
 110         else
 111         {
 112             wpp_messages_size += rc;
 113             return;
 114         }
 115     }
 116 }
 117
 118 static void PRINTF_ATTR(1,2) wpp_write_message_var(const char *fmt, ...)
 119 {
 120     va_list args;
 121
 122     va_start(args, fmt);
 123     wpp_write_message(fmt, args);
 124     va_end(args);
 125 }
 126
 127 static void wpp_error(const char *file, int line, int col, const char *near,
 128                       const char *msg, va_list ap)
 129 {
 130     wpp_write_message_var("%s:%d:%d: %s: ", file ? file : "'main file'",
 131                           line, col, "Error");
 132     wpp_write_message(msg, ap);
 133     wpp_write_message_var("\n");
 134 }
 135
 136 static void wpp_warning(const char *file, int line, int col, const char *near,
 137                         const char *msg, va_list ap)
 138 {
 139     wpp_write_message_var("%s:%d:%d: %s: ", file ? file : "'main file'",
 140                           line, col, "Warning");
 141     wpp_write_message(msg, ap);
 142     wpp_write_message_var("\n");
 143 }
 144
 145 static char *wpp_lookup_mem(const char *filename, int type, const char *parent_name,
 146                             char **include_path, int include_path_count)
 147 {
 148     /* Here we return always ok. We will maybe fail on the next wpp_open_mem */
 149     char *path;
 150     int i;
 151
 152     parent_include = NULL;
 153     if(parent_name[0] != '\0')
 154     {
 155         for(i = 0; i < includes_size; i++)
 156         {
 157             if(!strcmp(parent_name, includes[i].name))
 158             {
 159                 parent_include = includes[i].data;
 160                 break;
 161             }
 162         }
 163         if(parent_include == NULL)
 164         {
 165             ERR("Parent include file missing\n");
 166             return NULL;
 167         }
 168     }
 169
 170     path = malloc(strlen(filename) + 1);
 171     if(path)
 172         memcpy(path, filename, strlen(filename) + 1);
 173     return path;
 174 }
 175
 176 static void *wpp_open_mem(const char *filename, int type)
 177 {
 178     struct mem_file_desc *desc;
 179     HRESULT hr;
 180
 181     if(!strcmp(filename, initial_filename))
 182     {
 183         current_shader.pos = 0;
 184         return &current_shader;
 185     }
 186
 187     if(current_include == NULL) return NULL;
 188     desc = HeapAlloc(GetProcessHeap(), 0, sizeof(*desc));
 189     if(!desc)
 190         return NULL;
 191
 192     hr = ID3DInclude_Open(current_include,
 193                           type ? D3D_INCLUDE_LOCAL : D3D_INCLUDE_SYSTEM,
 194                           filename, parent_include, (LPCVOID *)&desc->buffer,
 195                           &desc->size);
 196     if(FAILED(hr))
 197     {
 198         HeapFree(GetProcessHeap(), 0, desc);
 199         return NULL;
 200     }
 201
 202     if(includes_capacity == includes_size)
 203     {
 204         if(includes_capacity == 0)
 205         {
 206             includes = HeapAlloc(GetProcessHeap(), 0, INCLUDES_INITIAL_CAPACITY * sizeof(*includes));
 207             if(includes == NULL)
 208             {
 209                 ERR("Error allocating memory for the loaded includes structure\n");
 210                 goto error;
 211             }
 212             includes_capacity = INCLUDES_INITIAL_CAPACITY * sizeof(*includes);
 213         }
 214         else
 215         {
 216             int newcapacity = includes_capacity * 2;
 217             struct loaded_include *newincludes =
 218                 HeapReAlloc(GetProcessHeap(), 0, includes, newcapacity);
 219             if(newincludes == NULL)
 220             {
 221                 ERR("Error reallocating memory for the loaded includes structure\n");
 222                 goto error;
 223             }
 224             includes = newincludes;
 225             includes_capacity = newcapacity;
 226         }
 227     }
 228     includes[includes_size].name = filename;
 229     includes[includes_size++].data = desc->buffer;
 230
 231     desc->pos = 0;
 232     return desc;
 233
 234 error:
 235     ID3DInclude_Close(current_include, desc->buffer);
 236     HeapFree(GetProcessHeap(), 0, desc);
 237     return NULL;
 238 }
 239
 240 static void wpp_close_mem(void *file)
 241 {
 242     struct mem_file_desc *desc = file;
 243
 244     if(desc != &current_shader)
 245     {
 246         if(current_include)
 247             ID3DInclude_Close(current_include, desc->buffer);
 248         else
 249             ERR("current_include == NULL, desc == %p, buffer = %s\n",
 250                 desc, desc->buffer);
 251
 252         HeapFree(GetProcessHeap(), 0, desc);
 253     }
 254 }
 255
 256 static int wpp_read_mem(void *file, char *buffer, unsigned int len)
 257 {
 258     struct mem_file_desc *desc = file;
 259
 260     len = min(len, desc->size - desc->pos);
 261     memcpy(buffer, desc->buffer + desc->pos, len);
 262     desc->pos += len;
 263     return len;
 264 }
 265
 266 static void wpp_write_mem(const char *buffer, unsigned int len)
 267 {
 268     char *new_wpp_output;
 269
 270     if(wpp_output_capacity == 0)
 271     {
 272         wpp_output = HeapAlloc(GetProcessHeap(), 0, BUFFER_INITIAL_CAPACITY);
 273         if(!wpp_output)
 274             return;
 275
 276         wpp_output_capacity = BUFFER_INITIAL_CAPACITY;
 277     }
 278     if(len > wpp_output_capacity - wpp_output_size)
 279     {
 280         while(len > wpp_output_capacity - wpp_output_size)
 281         {
 282             wpp_output_capacity *= 2;
 283         }
 284         new_wpp_output = HeapReAlloc(GetProcessHeap(), 0, wpp_output,
 285                                      wpp_output_capacity);
 286         if(!new_wpp_output)
 287         {
 288             ERR("Error allocating memory\n");
 289             return;
 290         }
 291         wpp_output = new_wpp_output;
 292     }
 293     memcpy(wpp_output + wpp_output_size, buffer, len);
 294     wpp_output_size += len;
 295 }
 296
 297 static int wpp_close_output(void)
 298 {
 299     char *new_wpp_output = HeapReAlloc(GetProcessHeap(), 0, wpp_output,
 300                                        wpp_output_size + 1);
 301     if(!new_wpp_output) return 0;
 302     wpp_output = new_wpp_output;
 303     wpp_output[wpp_output_size]='\0';
 304     wpp_output_size++;
 305     return 1;
 306 }
 307
 308 static HRESULT preprocess_shader(const void *data, SIZE_T data_size, const char *filename,
 309         const D3D_SHADER_MACRO *defines, ID3DInclude *include, ID3DBlob **error_messages)
 310 {
 311     int ret;
 312     HRESULT hr = S_OK;
 313     const D3D_SHADER_MACRO *def = defines;
 314
 315     static const struct wpp_callbacks wpp_callbacks =
 316     {
 317         wpp_lookup_mem,
 318         wpp_open_mem,
 319         wpp_close_mem,
 320         wpp_read_mem,
 321         wpp_write_mem,
 322         wpp_error,
 323         wpp_warning,
 324     };
 325
 326     if (def != NULL)
 327     {
 328         while (def->Name != NULL)
 329         {
 330             wpp_add_define(def->Name, def->Definition);
 331             def++;
 332         }
 333     }
 334     current_include = include;
 335     includes_size = 0;
 336
 337     wpp_output_size = wpp_output_capacity = 0;
 338     wpp_output = NULL;
 339
 340     wpp_set_callbacks(&wpp_callbacks);
 341     wpp_messages_size = wpp_messages_capacity = 0;
 342     wpp_messages = NULL;
 343     current_shader.buffer = data;
 344     current_shader.size = data_size;
 345     initial_filename = filename ? filename : "";
 346
 347     ret = wpp_parse(initial_filename, NULL);
 348     if (!wpp_close_output())
 349         ret = 1;
 350     if (ret)
 351     {
 352         TRACE("Error during shader preprocessing\n");
 353         if (wpp_messages)
 354         {
 355             int size;
 356             ID3DBlob *buffer;
 357
 358             TRACE("Preprocessor messages:\n%s\n", debugstr_a(wpp_messages));
 359
 360             if (error_messages)
 361             {
 362                 size = strlen(wpp_messages) + 1;
 363                 hr = D3DCreateBlob(size, &buffer);
 364                 if (FAILED(hr))
 365                     goto cleanup;
 366                 CopyMemory(ID3D10Blob_GetBufferPointer(buffer), wpp_messages, size);
 367                 *error_messages = buffer;
 368             }
 369         }
 370         if (data)
 371             TRACE("Shader source:\n%s\n", debugstr_an(data, data_size));
 372         hr = E_FAIL;
 373     }
 374
 375 cleanup:
 376     /* Remove the previously added defines */
 377     if (defines != NULL)
 378     {
 379         while (defines->Name != NULL)
 380         {
 381             wpp_del_define(defines->Name);
 382             defines++;
 383         }
 384     }
 385     HeapFree(GetProcessHeap(), 0, wpp_messages);
 386     return hr;
 387 }
 388
 389 static HRESULT assemble_shader(const char *preproc_shader,
 390         ID3DBlob **shader_blob, ID3DBlob **error_messages)
 391 {
 392     struct bwriter_shader *shader;
 393     char *messages = NULL;
 394     HRESULT hr;
 395     DWORD *res, size;
 396     ID3DBlob *buffer;
 397     char *pos;
 398
 399     shader = SlAssembleShader(preproc_shader, &messages);
 400
 401     if (messages)
 402     {
 403         TRACE("Assembler messages:\n");
 404         TRACE("%s\n", debugstr_a(messages));
 405
 406         TRACE("Shader source:\n");
 407         TRACE("%s\n", debugstr_a(preproc_shader));
 408
 409         if (error_messages)
 410         {
 411             const char *preproc_messages = *error_messages ? ID3D10Blob_GetBufferPointer(*error_messages) : NULL;
 412
 413             size = strlen(messages) + (preproc_messages ? strlen(preproc_messages) : 0) + 1;
 414             hr = D3DCreateBlob(size, &buffer);
 415             if (FAILED(hr))
 416             {
 417                 HeapFree(GetProcessHeap(), 0, messages);
 418                 if (shader) SlDeleteShader(shader);
 419                 return hr;
 420             }
 421             pos = ID3D10Blob_GetBufferPointer(buffer);
 422             if (preproc_messages)
 423             {
 424                 CopyMemory(pos, preproc_messages, strlen(preproc_messages) + 1);
 425                 pos += strlen(preproc_messages);
 426             }
 427             CopyMemory(pos, messages, strlen(messages) + 1);
 428
 429             if (*error_messages) ID3D10Blob_Release(*error_messages);
 430             *error_messages = buffer;
 431         }
 432         HeapFree(GetProcessHeap(), 0, messages);
 433     }
 434
 435     if (shader == NULL)
 436     {
 437         ERR("Asm reading failed\n");
 438         return D3DXERR_INVALIDDATA;
 439     }
 440
 441     hr = SlWriteBytecode(shader, 9, &res, &size);
 442     SlDeleteShader(shader);
 443     if (FAILED(hr))
 444     {
 445         ERR("SlWriteBytecode failed with 0x%08x\n", hr);
 446         return D3DXERR_INVALIDDATA;
 447     }
 448
 449     if (shader_blob)
 450     {
 451         hr = D3DCreateBlob(size, &buffer);
 452         if (FAILED(hr))
 453         {
 454             HeapFree(GetProcessHeap(), 0, res);
 455             return hr;
 456         }
 457         CopyMemory(ID3D10Blob_GetBufferPointer(buffer), res, size);
 458         *shader_blob = buffer;
 459     }
 460
 461     HeapFree(GetProcessHeap(), 0, res);
 462
 463     return S_OK;
 464 }
 465
 466 HRESULT WINAPI D3DAssemble(const void *data, SIZE_T datasize, const char *filename,
 467         const D3D_SHADER_MACRO *defines, ID3DInclude *include, UINT flags,
 468         ID3DBlob **shader, ID3DBlob **error_messages)
 469 {
 470     HRESULT hr;
 471
 472     TRACE("data %p, datasize %lu, filename %s, defines %p, include %p, sflags %#x,\n"
 473             "shader %p, error_messages %p\n",
 474             data, datasize, debugstr_a(filename), defines, include, flags, shader, error_messages);
 475
 476     EnterCriticalSection(&wpp_mutex);
 477
 478     /* TODO: flags */
 479     if (flags) FIXME("flags %x\n", flags);
 480
 481     if (shader) *shader = NULL;
 482     if (error_messages) *error_messages = NULL;
 483
 484     hr = preprocess_shader(data, datasize, filename, defines, include, error_messages);
 485     if (SUCCEEDED(hr))
 486         hr = assemble_shader(wpp_output, shader, error_messages);
 487
 488     HeapFree(GetProcessHeap(), 0, wpp_output);
 489     LeaveCriticalSection(&wpp_mutex);
 490     return hr;
 491 }
 492
 493 struct target_info {
 494     const char *name;
 495     enum shader_type type;
 496     DWORD sm_major;
 497     DWORD sm_minor;
 498     DWORD level_major;
 499     DWORD level_minor;
 500     BOOL sw;
 501     BOOL support;
 502 };
 503
 504 /* Must be kept sorted for binary search */
 505 static const struct target_info targets_info[] = {
 506     { "cs_4_0",            ST_UNKNOWN, 4, 0, 0, 0, FALSE, FALSE },
 507     { "cs_4_1",            ST_UNKNOWN, 4, 1, 0, 0, FALSE, FALSE },
 508     { "cs_5_0",            ST_UNKNOWN, 5, 0, 0, 0, FALSE, FALSE },
 509     { "ds_5_0",            ST_UNKNOWN, 5, 0, 0, 0, FALSE, FALSE },
 510     { "fx_2_0",            ST_UNKNOWN, 2, 0, 0, 0, FALSE, FALSE },
 511     { "fx_4_0",            ST_UNKNOWN, 4, 0, 0, 0, FALSE, FALSE },
 512     { "fx_4_1",            ST_UNKNOWN, 4, 1, 0, 0, FALSE, FALSE },
 513     { "fx_5_0",            ST_UNKNOWN, 5, 0, 0, 0, FALSE, FALSE },
 514     { "gs_4_0",            ST_UNKNOWN, 4, 0, 0, 0, FALSE, FALSE },
 515     { "gs_4_1",            ST_UNKNOWN, 4, 1, 0, 0, FALSE, FALSE },
 516     { "gs_5_0",            ST_UNKNOWN, 5, 0, 0, 0, FALSE, FALSE },
 517     { "hs_5_0",            ST_UNKNOWN, 5, 0, 0, 0, FALSE, FALSE },
 518     { "ps.1.0",            ST_PIXEL,   1, 0, 0, 0, FALSE, TRUE  },
 519     { "ps.1.1",            ST_PIXEL,   1, 1, 0, 0, FALSE, FALSE },
 520     { "ps.1.2",            ST_PIXEL,   1, 2, 0, 0, FALSE, FALSE },
 521     { "ps.1.3",            ST_PIXEL,   1, 3, 0, 0, FALSE, FALSE },
 522     { "ps.1.4",            ST_PIXEL,   1, 4, 0, 0, FALSE, FALSE },
 523     { "ps.2.0",            ST_PIXEL,   2, 0, 0, 0, FALSE, TRUE  },
 524     { "ps.2.a",            ST_PIXEL,   2, 1, 0, 0, FALSE, FALSE },
 525     { "ps.2.b",            ST_PIXEL,   2, 2, 0, 0, FALSE, FALSE },
 526     { "ps.2.sw",           ST_PIXEL,   2, 0, 0, 0, TRUE,  FALSE },
 527     { "ps.3.0",            ST_PIXEL,   3, 0, 0, 0, FALSE, TRUE  },
 528     { "ps_1_0",            ST_PIXEL,   1, 0, 0, 0, FALSE, TRUE  },
 529     { "ps_1_1",            ST_PIXEL,   1, 1, 0, 0, FALSE, FALSE },
 530     { "ps_1_2",            ST_PIXEL,   1, 2, 0, 0, FALSE, FALSE },
 531     { "ps_1_3",            ST_PIXEL,   1, 3, 0, 0, FALSE, FALSE },
 532     { "ps_1_4",            ST_PIXEL,   1, 4, 0, 0, FALSE, FALSE },
 533     { "ps_2_0",            ST_PIXEL,   2, 0, 0, 0, FALSE, TRUE  },
 534     { "ps_2_a",            ST_PIXEL,   2, 1, 0, 0, FALSE, FALSE },
 535     { "ps_2_b",            ST_PIXEL,   2, 2, 0, 0, FALSE, FALSE },
 536     { "ps_2_sw",           ST_PIXEL,   2, 0, 0, 0, TRUE,  FALSE },
 537     { "ps_3_0",            ST_PIXEL,   3, 0, 0, 0, FALSE, TRUE  },
 538     { "ps_3_sw",           ST_PIXEL,   3, 0, 0, 0, TRUE,  FALSE },
 539     { "ps_4_0",            ST_PIXEL,   4, 0, 0, 0, FALSE, TRUE  },
 540     { "ps_4_0_level_9_0",  ST_PIXEL,   4, 0, 9, 0, FALSE, FALSE },
 541     { "ps_4_0_level_9_1",  ST_PIXEL,   4, 0, 9, 1, FALSE, FALSE },
 542     { "ps_4_0_level_9_3",  ST_PIXEL,   4, 0, 9, 3, FALSE, FALSE },
 543     { "ps_4_1",            ST_PIXEL,   4, 1, 0, 0, FALSE, TRUE  },
 544     { "ps_5_0",            ST_PIXEL,   5, 0, 0, 0, FALSE, TRUE  },
 545     { "tx_1_0",            ST_UNKNOWN, 1, 0, 0, 0, FALSE, FALSE },
 546     { "vs.1.0",            ST_VERTEX,  1, 0, 0, 0, FALSE, TRUE  },
 547     { "vs.1.1",            ST_VERTEX,  1, 1, 0, 0, FALSE, TRUE  },
 548     { "vs.2.0",            ST_VERTEX,  2, 0, 0, 0, FALSE, TRUE  },
 549     { "vs.2.a",            ST_VERTEX,  2, 1, 0, 0, FALSE, FALSE },
 550     { "vs.2.sw",           ST_VERTEX,  2, 0, 0, 0, TRUE,  FALSE },
 551     { "vs.3.0",            ST_VERTEX,  3, 0, 0, 0, FALSE, TRUE  },
 552     { "vs.3.sw",           ST_VERTEX,  3, 0, 0, 0, TRUE,  FALSE },
 553     { "vs_1_0",            ST_VERTEX,  1, 0, 0, 0, FALSE, TRUE  },
 554     { "vs_1_1",            ST_VERTEX,  1, 1, 0, 0, FALSE, TRUE  },
 555     { "vs_2_0",            ST_VERTEX,  2, 0, 0, 0, FALSE, TRUE  },
 556     { "vs_2_a",            ST_VERTEX,  2, 1, 0, 0, FALSE, FALSE },
 557     { "vs_2_sw",           ST_VERTEX,  2, 0, 0, 0, TRUE,  FALSE },
 558     { "vs_3_0",            ST_VERTEX,  3, 0, 0, 0, FALSE, TRUE  },
 559     { "vs_3_sw",           ST_VERTEX,  3, 0, 0, 0, TRUE,  FALSE },
 560     { "vs_4_0",            ST_VERTEX,  4, 0, 0, 0, FALSE, TRUE  },
 561     { "vs_4_0_level_9_0",  ST_VERTEX,  4, 0, 9, 0, FALSE, FALSE },
 562     { "vs_4_0_level_9_1",  ST_VERTEX,  4, 0, 9, 1, FALSE, FALSE },
 563     { "vs_4_0_level_9_3",  ST_VERTEX,  4, 0, 9, 3, FALSE, FALSE },
 564     { "vs_4_1",            ST_VERTEX,  4, 1, 0, 0, FALSE, TRUE  },
 565     { "vs_5_0",            ST_VERTEX,  5, 0, 0, 0, FALSE, TRUE  },
 566 };
 567
 568 static const struct target_info * get_target_info(const char *target)
 569 {
 570     LONG min = 0;
 571     LONG max = sizeof(targets_info) / sizeof(targets_info[0]) - 1;
 572     LONG cur;
 573     int res;
 574
 575     while (min <= max)
 576     {
 577         cur = (min + max) / 2;
 578         res = strcmp(target, targets_info[cur].name);
 579         if (res < 0)
 580             max = cur - 1;
 581         else if (res > 0)
 582             min = cur + 1;
 583         else
 584             return &targets_info[cur];
 585     }
 586
 587     return NULL;
 588 }
 589
 590 static HRESULT compile_shader(const char *preproc_shader, const char *target, const char *entrypoint,
 591         ID3DBlob **shader_blob, ID3DBlob **error_messages)
 592 {
 593     struct bwriter_shader *shader;
 594     char *messages = NULL;
 595     HRESULT hr;
 596     DWORD *res, size, major, minor;
 597     ID3DBlob *buffer;
 598     char *pos;
 599     enum shader_type shader_type;
 600     const struct target_info *info;
 601
 602     TRACE("Preprocessed shader source: %s\n", debugstr_a(preproc_shader));
 603
 604     TRACE("Checking compilation target %s\n", debugstr_a(target));
 605     info = get_target_info(target);
 606     if (!info)
 607     {
 608         FIXME("Unknown compilation target %s\n", debugstr_a(target));
 609         return D3DERR_INVALIDCALL;
 610     }
 611     else
 612     {
 613         if (!info->support)
 614         {
 615             FIXME("Compilation target %s not yet supported\n", debugstr_a(target));
 616             return D3DERR_INVALIDCALL;
 617         }
 618         else
 619         {
 620             shader_type = info->type;
 621             major = info->sm_major;
 622             minor = info->sm_minor;
 623         }
 624     }
 625
 626     shader = parse_hlsl_shader(preproc_shader, shader_type, major, minor, entrypoint, &messages);
 627
 628     if (messages)
 629     {
 630         TRACE("Compiler messages:\n");
 631         TRACE("%s\n", debugstr_a(messages));
 632
 633         TRACE("Shader source:\n");
 634         TRACE("%s\n", debugstr_a(preproc_shader));
 635
 636         if (error_messages)
 637         {
 638             const char *preproc_messages = *error_messages ? ID3D10Blob_GetBufferPointer(*error_messages) : NULL;
 639
 640             size = strlen(messages) + (preproc_messages ? strlen(preproc_messages) : 0) + 1;
 641             hr = D3DCreateBlob(size, &buffer);
 642             if (FAILED(hr))
 643             {
 644                 HeapFree(GetProcessHeap(), 0, messages);
 645                 if (shader) SlDeleteShader(shader);
 646                 return hr;
 647             }
 648             pos = ID3D10Blob_GetBufferPointer(buffer);
 649             if (preproc_messages)
 650             {
 651                 memcpy(pos, preproc_messages, strlen(preproc_messages) + 1);
 652                 pos += strlen(preproc_messages);
 653             }
 654             memcpy(pos, messages, strlen(messages) + 1);
 655
 656             if (*error_messages) ID3D10Blob_Release(*error_messages);
 657             *error_messages = buffer;
 658         }
 659         HeapFree(GetProcessHeap(), 0, messages);
 660     }
 661
 662     if (!shader)
 663     {
 664         ERR("HLSL shader parsing failed.\n");
 665         return D3DXERR_INVALIDDATA;
 666     }
 667
 668     hr = SlWriteBytecode(shader, 9, &res, &size);
 669     SlDeleteShader(shader);
 670     if (FAILED(hr))
 671     {
 672         ERR("SlWriteBytecode failed with error 0x%08x.\n", hr);
 673         return D3DXERR_INVALIDDATA;
 674     }
 675
 676     if (shader_blob)
 677     {
 678         hr = D3DCreateBlob(size, &buffer);
 679         if (FAILED(hr))
 680         {
 681             HeapFree(GetProcessHeap(), 0, res);
 682             return hr;
 683         }
 684         memcpy(ID3D10Blob_GetBufferPointer(buffer), res, size);
 685         *shader_blob = buffer;
 686     }
 687
 688     HeapFree(GetProcessHeap(), 0, res);
 689
 690     return S_OK;
 691 }
 692
 693 HRESULT WINAPI D3DCompile(const void *data, SIZE_T data_size, const char *filename,
 694         const D3D_SHADER_MACRO *defines, ID3DInclude *include, const char *entrypoint,
 695         const char *target, UINT sflags, UINT eflags, ID3DBlob **shader, ID3DBlob **error_messages)
 696 {
 697     HRESULT hr;
 698
 699     TRACE("data %p, data_size %lu, filename %s, defines %p, include %p, entrypoint %s,\n"
 700             "target %s, sflags %#x, eflags %#x, shader %p, error_messages %p\n",
 701             data, data_size, debugstr_a(filename), defines, include, debugstr_a(entrypoint),
 702             debugstr_a(target), sflags, eflags, shader, error_messages);
 703
 704     if (shader) *shader = NULL;
 705     if (error_messages) *error_messages = NULL;
 706
 707     EnterCriticalSection(&wpp_mutex);
 708
 709     hr = preprocess_shader(data, data_size, filename, defines, include, error_messages);
 710     if (SUCCEEDED(hr))
 711         hr = compile_shader(wpp_output, target, entrypoint, shader, error_messages);
 712
 713     HeapFree(GetProcessHeap(), 0, wpp_output);
 714     LeaveCriticalSection(&wpp_mutex);
 715     return hr;
 716 }
 717
 718 HRESULT WINAPI D3DPreprocess(const void *data, SIZE_T size, const char *filename,
 719         const D3D_SHADER_MACRO *defines, ID3DInclude *include,
 720         ID3DBlob **shader, ID3DBlob **error_messages)
 721 {
 722     HRESULT hr;
 723     ID3DBlob *buffer;
 724
 725     TRACE("data %p, size %lu, filename %s, defines %p, include %p, shader %p, error_messages %p\n",
 726           data, size, debugstr_a(filename), defines, include, shader, error_messages);
 727
 728     if (!data)
 729         return E_INVALIDARG;
 730
 731     EnterCriticalSection(&wpp_mutex);
 732
 733     if (shader) *shader = NULL;
 734     if (error_messages) *error_messages = NULL;
 735
 736     hr = preprocess_shader(data, size, filename, defines, include, error_messages);
 737
 738     if (SUCCEEDED(hr))
 739     {
 740         if (shader)
 741         {
 742             hr = D3DCreateBlob(wpp_output_size, &buffer);
 743             if (FAILED(hr))
 744                 goto cleanup;
 745             CopyMemory(ID3D10Blob_GetBufferPointer(buffer), wpp_output, wpp_output_size);
 746             *shader = buffer;
 747         }
 748         else
 749             hr = E_INVALIDARG;
 750     }
 751
 752 cleanup:
 753     HeapFree(GetProcessHeap(), 0, wpp_output);
 754     LeaveCriticalSection(&wpp_mutex);
 755     return hr;
 756 }
 757
 758 HRESULT WINAPI D3DDisassemble(const void *data, SIZE_T size, UINT flags, const char *comments, ID3DBlob **disassembly)
 759 {
 760     FIXME("data %p, size %lu, flags %#x, comments %p, disassembly %p stub!\n",
 761             data, size, flags, comments, disassembly);
 762     return E_NOTIMPL;
 763 }