git.oblomov.eu Git - wine/blob - dlls/wined3d/baseshader.c

   1 /*
   2  * shaders implementation
   3  *
   4  * Copyright 2002-2003 Jason Edmeades
   5  * Copyright 2002-2003 Raphael Junqueira
   6  * Copyright 2004 Christian Costa
   7  * Copyright 2005 Oliver Stieber
   8  * Copyright 2006 Ivan Gyurdiev
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  23  */
  24
  25 #include "config.h"
  26 #include <string.h>
  27 #include <stdio.h>
  28 #include "wined3d_private.h"
  29
  30 WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
  31
  32 #define GLNAME_REQUIRE_GLSL  ((const char *)1)
  33
  34 static inline BOOL shader_is_version_token(DWORD token) {
  35     return shader_is_pshader_version(token) ||
  36            shader_is_vshader_version(token);
  37 }
  38
  39 int shader_addline(
  40     SHADER_BUFFER* buffer,
  41     const char *format, ...) {
  42
  43     char* base = buffer->buffer + buffer->bsize;
  44     int rc;
  45
  46     va_list args;
  47     va_start(args, format);
  48     rc = vsnprintf(base, SHADER_PGMSIZE - 1 - buffer->bsize, format, args);
  49     va_end(args);
  50
  51     if (rc < 0 ||                                   /* C89 */
  52         rc > SHADER_PGMSIZE - 1 - buffer->bsize) {  /* C99 */
  53
  54         ERR("The buffer allocated for the shader program string "
  55             "is too small at %d bytes.\n", SHADER_PGMSIZE);
  56         buffer->bsize = SHADER_PGMSIZE - 1;
  57         return -1;
  58     }
  59
  60     if (buffer->newline) {
  61         TRACE("GL HW (%u, %u) : %s", buffer->lineNo + 1, buffer->bsize, base);
  62         buffer->newline = FALSE;
  63     } else {
  64         TRACE("%s", base);
  65     }
  66
  67     buffer->bsize += rc;
  68     if (buffer->buffer[buffer->bsize-1] == '\n') {
  69         buffer->lineNo++;
  70         buffer->newline = TRUE;
  71     }
  72     return 0;
  73 }
  74
  75 const SHADER_OPCODE* shader_get_opcode(
  76     IWineD3DBaseShader *iface, const DWORD code) {
  77
  78     IWineD3DBaseShaderImpl *This = (IWineD3DBaseShaderImpl*) iface;
  79
  80     DWORD i = 0;
  81     DWORD hex_version = This->baseShader.hex_version;
  82     const SHADER_OPCODE *shader_ins = This->baseShader.shader_ins;
  83
  84     /** TODO: use dichotomic search */
  85     while (NULL != shader_ins[i].name) {
  86         if (((code & WINED3DSI_OPCODE_MASK) == shader_ins[i].opcode) &&
  87             (((hex_version >= shader_ins[i].min_version) && (hex_version <= shader_ins[i].max_version)) ||
  88             ((shader_ins[i].min_version == 0) && (shader_ins[i].max_version == 0)))) {
  89             return &shader_ins[i];
  90         }
  91         ++i;
  92     }
  93     FIXME("Unsupported opcode %#x(%d) masked %#x, shader version %#x\n",
  94        code, code, code & WINED3DSI_OPCODE_MASK, hex_version);
  95     return NULL;
  96 }
  97
  98 /* Read a parameter opcode from the input stream,
  99  * and possibly a relative addressing token.
 100  * Return the number of tokens read */
 101 int shader_get_param(
 102     IWineD3DBaseShader* iface,
 103     const DWORD* pToken,
 104     DWORD* param,
 105     DWORD* addr_token) {
 106
 107     /* PS >= 3.0 have relative addressing (with token)
 108      * VS >= 2.0 have relative addressing (with token)
 109      * VS >= 1.0 < 2.0 have relative addressing (without token)
 110      * The version check below should work in general */
 111
 112     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 113     char rel_token = WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 2 &&
 114         ((*pToken & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
 115
 116     *param = *pToken;
 117     *addr_token = rel_token? *(pToken + 1): 0;
 118     return rel_token? 2:1;
 119 }
 120
 121 /* Return the number of parameters to skip for an opcode */
 122 static inline int shader_skip_opcode(
 123     IWineD3DBaseShaderImpl* This,
 124     const SHADER_OPCODE* curOpcode,
 125     DWORD opcode_token) {
 126
 127    /* Shaders >= 2.0 may contain address tokens, but fortunately they
 128     * have a useful legnth mask - use it here. Shaders 1.0 contain no such tokens */
 129
 130     return (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 2)?
 131         ((opcode_token & WINED3DSI_INSTLENGTH_MASK) >> WINED3DSI_INSTLENGTH_SHIFT):
 132         curOpcode->num_params;
 133 }
 134
 135 /* Read the parameters of an unrecognized opcode from the input stream
 136  * Return the number of tokens read.
 137  *
 138  * Note: This function assumes source or destination token format.
 139  * It will not work with specially-formatted tokens like DEF or DCL,
 140  * but hopefully those would be recognized */
 141
 142 int shader_skip_unrecognized(
 143     IWineD3DBaseShader* iface,
 144     const DWORD* pToken) {
 145
 146     int tokens_read = 0;
 147     int i = 0;
 148
 149     /* TODO: Think of a good name for 0x80000000 and replace it with a constant */
 150     while (*pToken & 0x80000000) {
 151
 152         DWORD param, addr_token;
 153         tokens_read += shader_get_param(iface, pToken, &param, &addr_token);
 154         pToken += tokens_read;
 155
 156         FIXME("Unrecognized opcode param: token=%08x "
 157             "addr_token=%08x name=", param, addr_token);
 158         shader_dump_param(iface, param, addr_token, i);
 159         FIXME("\n");
 160         ++i;
 161     }
 162     return tokens_read;
 163 }
 164
 165 /* Convert floating point offset relative
 166  * to a register file to an absolute offset for float constants */
 167
 168 unsigned int shader_get_float_offset(const DWORD reg) {
 169
 170      unsigned int regnum = reg & WINED3DSP_REGNUM_MASK;
 171      int regtype = shader_get_regtype(reg);
 172
 173      switch (regtype) {
 174         case WINED3DSPR_CONST: return regnum;
 175         case WINED3DSPR_CONST2: return 2048 + regnum;
 176         case WINED3DSPR_CONST3: return 4096 + regnum;
 177         case WINED3DSPR_CONST4: return 6144 + regnum;
 178         default:
 179             FIXME("Unsupported register type: %d\n", regtype);
 180             return regnum;
 181      }
 182 }
 183
 184 /* Note that this does not count the loop register
 185  * as an address register. */
 186
 187 HRESULT shader_get_registers_used(
 188     IWineD3DBaseShader *iface,
 189     shader_reg_maps* reg_maps,
 190     semantic* semantics_in,
 191     semantic* semantics_out,
 192     CONST DWORD* pToken,
 193     IWineD3DStateBlockImpl *stateBlock) {
 194
 195     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 196     unsigned int cur_loop_depth = 0, max_loop_depth = 0;
 197
 198     /* There are some minor differences between pixel and vertex shaders */
 199     char pshader = shader_is_pshader_version(This->baseShader.hex_version);
 200
 201     reg_maps->bumpmat = -1;
 202     reg_maps->luminanceparams = -1;
 203
 204     if (pToken == NULL)
 205         return WINED3D_OK;
 206
 207     while (WINED3DVS_END() != *pToken) {
 208         CONST SHADER_OPCODE* curOpcode;
 209         DWORD opcode_token;
 210
 211         /* Skip version */
 212         if (shader_is_version_token(*pToken)) {
 213              ++pToken;
 214              continue;
 215
 216         /* Skip comments */
 217         } else if (shader_is_comment(*pToken)) {
 218              DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 219              ++pToken;
 220              pToken += comment_len;
 221              continue;
 222         }
 223
 224         /* Fetch opcode */
 225         opcode_token = *pToken++;
 226         curOpcode = shader_get_opcode(iface, opcode_token);
 227
 228         /* Unhandled opcode, and its parameters */
 229         if (NULL == curOpcode) {
 230            while (*pToken & 0x80000000)
 231                ++pToken;
 232
 233         /* Handle declarations */
 234         } else if (WINED3DSIO_DCL == curOpcode->opcode) {
 235
 236             DWORD usage = *pToken++;
 237             DWORD param = *pToken++;
 238             DWORD regtype = shader_get_regtype(param);
 239             unsigned int regnum = param & WINED3DSP_REGNUM_MASK;
 240
 241             /* Vshader: mark attributes used
 242                Pshader: mark 3.0 input registers used, save token */
 243             if (WINED3DSPR_INPUT == regtype) {
 244
 245                 if (!pshader)
 246                     reg_maps->attributes[regnum] = 1;
 247                 else
 248                     reg_maps->packed_input[regnum] = 1;
 249
 250                 semantics_in[regnum].usage = usage;
 251                 semantics_in[regnum].reg = param;
 252
 253             /* Vshader: mark 3.0 output registers used, save token */
 254             } else if (WINED3DSPR_OUTPUT == regtype) {
 255                 reg_maps->packed_output[regnum] = 1;
 256                 semantics_out[regnum].usage = usage;
 257                 semantics_out[regnum].reg = param;
 258                 if (usage & (WINED3DDECLUSAGE_FOG << WINED3DSP_DCL_USAGE_SHIFT))
 259                     reg_maps->fog = 1;
 260
 261             /* Save sampler usage token */
 262             } else if (WINED3DSPR_SAMPLER == regtype)
 263                 reg_maps->samplers[regnum] = usage;
 264
 265         } else if (WINED3DSIO_DEF == curOpcode->opcode) {
 266
 267             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 268             if (!lconst) return E_OUTOFMEMORY;
 269             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 270             memcpy(&lconst->value, pToken + 1, 4 * sizeof(DWORD));
 271
 272             /* In pixel shader 1.X shaders, the constants are clamped between [-1;1] */
 273             if(WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) == 1 && pshader) {
 274                 float *value = (float *) lconst->value;
 275                 if(value[0] < -1.0) value[0] = -1.0;
 276                 else if(value[0] >  1.0) value[0] =  1.0;
 277                 if(value[1] < -1.0) value[1] = -1.0;
 278                 else if(value[1] >  1.0) value[1] =  1.0;
 279                 if(value[2] < -1.0) value[2] = -1.0;
 280                 else if(value[2] >  1.0) value[2] =  1.0;
 281                 if(value[3] < -1.0) value[3] = -1.0;
 282                 else if(value[3] >  1.0) value[3] =  1.0;
 283             }
 284
 285             list_add_head(&This->baseShader.constantsF, &lconst->entry);
 286             pToken += curOpcode->num_params;
 287
 288         } else if (WINED3DSIO_DEFI == curOpcode->opcode) {
 289
 290             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 291             if (!lconst) return E_OUTOFMEMORY;
 292             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 293             memcpy(&lconst->value, pToken + 1, 4 * sizeof(DWORD));
 294             list_add_head(&This->baseShader.constantsI, &lconst->entry);
 295             pToken += curOpcode->num_params;
 296
 297         } else if (WINED3DSIO_DEFB == curOpcode->opcode) {
 298
 299             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 300             if (!lconst) return E_OUTOFMEMORY;
 301             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 302             memcpy(&lconst->value, pToken + 1, 1 * sizeof(DWORD));
 303             list_add_head(&This->baseShader.constantsB, &lconst->entry);
 304             pToken += curOpcode->num_params;
 305
 306         /* If there's a loop in the shader */
 307         } else if (WINED3DSIO_LOOP == curOpcode->opcode ||
 308                    WINED3DSIO_REP == curOpcode->opcode) {
 309             cur_loop_depth++;
 310             if(cur_loop_depth > max_loop_depth)
 311                 max_loop_depth = cur_loop_depth;
 312             pToken += curOpcode->num_params;
 313
 314         } else if (WINED3DSIO_ENDLOOP == curOpcode->opcode ||
 315                    WINED3DSIO_ENDREP == curOpcode->opcode) {
 316             cur_loop_depth--;
 317
 318         /* For subroutine prototypes */
 319         } else if (WINED3DSIO_LABEL == curOpcode->opcode) {
 320
 321             DWORD snum = *pToken & WINED3DSP_REGNUM_MASK;
 322             reg_maps->labels[snum] = 1;
 323             pToken += curOpcode->num_params;
 324
 325         /* Set texture, address, temporary registers */
 326         } else {
 327             int i, limit;
 328
 329             /* Declare 1.X samplers implicitly, based on the destination reg. number */
 330             if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) == 1 &&
 331                 (WINED3DSIO_TEX == curOpcode->opcode ||
 332                  WINED3DSIO_TEXBEM == curOpcode->opcode ||
 333                  WINED3DSIO_TEXBEML == curOpcode->opcode ||
 334                  WINED3DSIO_TEXDP3TEX == curOpcode->opcode ||
 335                  WINED3DSIO_TEXM3x2TEX == curOpcode->opcode ||
 336                  WINED3DSIO_TEXM3x3SPEC == curOpcode->opcode ||
 337                  WINED3DSIO_TEXM3x3TEX == curOpcode->opcode ||
 338                  WINED3DSIO_TEXM3x3VSPEC == curOpcode->opcode ||
 339                  WINED3DSIO_TEXREG2AR == curOpcode->opcode ||
 340                  WINED3DSIO_TEXREG2GB == curOpcode->opcode ||
 341                  WINED3DSIO_TEXREG2RGB == curOpcode->opcode)) {
 342
 343                 /* Fake sampler usage, only set reserved bit and ttype */
 344                 DWORD sampler_code = *pToken & WINED3DSP_REGNUM_MASK;
 345
 346                 if(!stateBlock->textures[sampler_code]) {
 347                     ERR("No texture bound to sampler %d\n", sampler_code);
 348                     reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
 349                 } else {
 350                     int texType = IWineD3DBaseTexture_GetTextureDimensions(stateBlock->textures[sampler_code]);
 351                     switch(texType) {
 352                         case GL_TEXTURE_2D:
 353                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
 354                             break;
 355
 356                         case GL_TEXTURE_3D:
 357                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_VOLUME;
 358                             break;
 359
 360                         case GL_TEXTURE_CUBE_MAP_ARB:
 361                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_CUBE;
 362                             break;
 363
 364                         default:
 365                             ERR("Unexpected gl texture type found: %d\n", texType);
 366                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
 367                     }
 368                 }
 369
 370                 /* texbem is only valid with < 1.4 pixel shaders */
 371                 if(WINED3DSIO_TEXBEM  == curOpcode->opcode ||
 372                     WINED3DSIO_TEXBEML == curOpcode->opcode) {
 373                     if(reg_maps->bumpmat != -1 && reg_maps->bumpmat != sampler_code) {
 374                         FIXME("Pixel shader uses texbem instruction on more than 1 sampler\n");
 375                     } else {
 376                         reg_maps->bumpmat = sampler_code;
 377                         if(WINED3DSIO_TEXBEML == curOpcode->opcode) {
 378                             reg_maps->luminanceparams = sampler_code;
 379                         }
 380                     }
 381                 }
 382             }
 383             if(WINED3DSIO_NRM  == curOpcode->opcode) {
 384                 reg_maps->usesnrm = 1;
 385             } else if(WINED3DSIO_BEM == curOpcode->opcode) {
 386                 DWORD regnum = *pToken & WINED3DSP_REGNUM_MASK;
 387                 if(reg_maps->bumpmat != -1 && reg_maps->bumpmat != regnum) {
 388                     FIXME("Pixel shader uses bem or texbem instruction on more than 1 sampler\n");
 389                 } else {
 390                     reg_maps->bumpmat = regnum;
 391                 }
 392             } else if(WINED3DSIO_DSY  == curOpcode->opcode) {
 393                 reg_maps->usesdsy = 1;
 394             }
 395
 396             /* This will loop over all the registers and try to
 397              * make a bitmask of the ones we're interested in.
 398              *
 399              * Relative addressing tokens are ignored, but that's
 400              * okay, since we'll catch any address registers when
 401              * they are initialized (required by spec) */
 402
 403             limit = (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)?
 404                 curOpcode->num_params + 1: curOpcode->num_params;
 405
 406             for (i = 0; i < limit; ++i) {
 407
 408                 DWORD param, addr_token, reg, regtype;
 409                 pToken += shader_get_param(iface, pToken, &param, &addr_token);
 410
 411                 regtype = shader_get_regtype(param);
 412                 reg = param & WINED3DSP_REGNUM_MASK;
 413
 414                 if (WINED3DSPR_TEXTURE == regtype) { /* vs: WINED3DSPR_ADDR */
 415
 416                     if (pshader)
 417                         reg_maps->texcoord[reg] = 1;
 418                     else
 419                         reg_maps->address[reg] = 1;
 420                 }
 421
 422                 else if (WINED3DSPR_TEMP == regtype)
 423                     reg_maps->temporary[reg] = 1;
 424
 425                 else if (WINED3DSPR_INPUT == regtype) {
 426                     if( !pshader)
 427                         reg_maps->attributes[reg] = 1;
 428                     else {
 429                         if(param & WINED3DSHADER_ADDRMODE_RELATIVE) {
 430                             /* If relative addressing is used, we must assume that all registers
 431                              * are used. Even if it is a construct like v3[aL], we can't assume
 432                              * that v0, v1 and v2 aren't read because aL can be negative
 433                              */
 434                             unsigned int i;
 435                             for(i = 0; i < MAX_REG_INPUT; i++) {
 436                                 ((IWineD3DPixelShaderImpl *) This)->input_reg_used[i] = TRUE;
 437                             }
 438                         } else {
 439                             ((IWineD3DPixelShaderImpl *) This)->input_reg_used[reg] = TRUE;
 440                         }
 441                     }
 442                 }
 443
 444                 else if (WINED3DSPR_RASTOUT == regtype && reg == 1)
 445                     reg_maps->fog = 1;
 446
 447                 else if (WINED3DSPR_MISCTYPE == regtype && reg == 0 && pshader)
 448                     reg_maps->vpos = 1;
 449
 450                 else if(WINED3DSPR_CONST == regtype) {
 451                     if(param & WINED3DSHADER_ADDRMODE_RELATIVE) {
 452                         if(!pshader) {
 453                             if(reg <= ((IWineD3DVertexShaderImpl *) This)->min_rel_offset) {
 454                                 ((IWineD3DVertexShaderImpl *) This)->min_rel_offset = reg;
 455                             } else if(reg >= ((IWineD3DVertexShaderImpl *) This)->max_rel_offset) {
 456                                 ((IWineD3DVertexShaderImpl *) This)->max_rel_offset = reg;
 457                             }
 458                         }
 459                         reg_maps->usesrelconstF = TRUE;
 460                     }
 461                 }
 462             }
 463         }
 464     }
 465     reg_maps->loop_depth = max_loop_depth;
 466
 467     return WINED3D_OK;
 468 }
 469
 470 static void shader_dump_decl_usage(
 471     IWineD3DBaseShaderImpl* This,
 472     DWORD decl,
 473     DWORD param) {
 474
 475     DWORD regtype = shader_get_regtype(param);
 476
 477     TRACE("dcl");
 478
 479     if (regtype == WINED3DSPR_SAMPLER) {
 480         DWORD ttype = decl & WINED3DSP_TEXTURETYPE_MASK;
 481
 482         switch (ttype) {
 483             case WINED3DSTT_2D: TRACE("_2d"); break;
 484             case WINED3DSTT_CUBE: TRACE("_cube"); break;
 485             case WINED3DSTT_VOLUME: TRACE("_volume"); break;
 486             default: TRACE("_unknown_ttype(%08x)", ttype);
 487        }
 488
 489     } else {
 490
 491         DWORD usage = decl & WINED3DSP_DCL_USAGE_MASK;
 492         DWORD idx = (decl & WINED3DSP_DCL_USAGEINDEX_MASK) >> WINED3DSP_DCL_USAGEINDEX_SHIFT;
 493
 494         /* Pixel shaders 3.0 don't have usage semantics */
 495         char pshader = shader_is_pshader_version(This->baseShader.hex_version);
 496         if (pshader && This->baseShader.hex_version < WINED3DPS_VERSION(3,0))
 497             return;
 498         else
 499             TRACE("_");
 500
 501         switch(usage) {
 502         case WINED3DDECLUSAGE_POSITION:
 503             TRACE("position%d", idx);
 504             break;
 505         case WINED3DDECLUSAGE_BLENDINDICES:
 506             TRACE("blend");
 507             break;
 508         case WINED3DDECLUSAGE_BLENDWEIGHT:
 509             TRACE("weight");
 510             break;
 511         case WINED3DDECLUSAGE_NORMAL:
 512             TRACE("normal%d", idx);
 513             break;
 514         case WINED3DDECLUSAGE_PSIZE:
 515             TRACE("psize");
 516             break;
 517         case WINED3DDECLUSAGE_COLOR:
 518             if(idx == 0)  {
 519                 TRACE("color");
 520             } else {
 521                 TRACE("specular%d", (idx - 1));
 522             }
 523             break;
 524         case WINED3DDECLUSAGE_TEXCOORD:
 525             TRACE("texture%d", idx);
 526             break;
 527         case WINED3DDECLUSAGE_TANGENT:
 528             TRACE("tangent");
 529             break;
 530         case WINED3DDECLUSAGE_BINORMAL:
 531             TRACE("binormal");
 532             break;
 533         case WINED3DDECLUSAGE_TESSFACTOR:
 534             TRACE("tessfactor");
 535             break;
 536         case WINED3DDECLUSAGE_POSITIONT:
 537             TRACE("positionT%d", idx);
 538             break;
 539         case WINED3DDECLUSAGE_FOG:
 540             TRACE("fog");
 541             break;
 542         case WINED3DDECLUSAGE_DEPTH:
 543             TRACE("depth");
 544             break;
 545         case WINED3DDECLUSAGE_SAMPLE:
 546             TRACE("sample");
 547             break;
 548         default:
 549             FIXME("unknown_semantics(%08x)", usage);
 550         }
 551     }
 552 }
 553
 554 static void shader_dump_arr_entry(
 555     IWineD3DBaseShader *iface,
 556     const DWORD param,
 557     const DWORD addr_token,
 558     unsigned int reg,
 559     int input) {
 560
 561     char relative =
 562         ((param & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
 563
 564     if (relative) {
 565         TRACE("[");
 566         if (addr_token)
 567             shader_dump_param(iface, addr_token, 0, input);
 568         else
 569             TRACE("a0.x");
 570         TRACE(" + ");
 571      }
 572      TRACE("%u", reg);
 573      if (relative)
 574          TRACE("]");
 575 }
 576
 577 void shader_dump_param(
 578     IWineD3DBaseShader *iface,
 579     const DWORD param,
 580     const DWORD addr_token,
 581     int input) {
 582
 583     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 584     static const char * const rastout_reg_names[] = { "oPos", "oFog", "oPts" };
 585     static const char * const misctype_reg_names[] = { "vPos", "vFace"};
 586     char swizzle_reg_chars[4];
 587
 588     DWORD reg = param & WINED3DSP_REGNUM_MASK;
 589     DWORD regtype = shader_get_regtype(param);
 590     DWORD modifier = param & WINED3DSP_SRCMOD_MASK;
 591
 592     /* There are some minor differences between pixel and vertex shaders */
 593     char pshader = shader_is_pshader_version(This->baseShader.hex_version);
 594
 595     /* For one, we'd prefer color components to be shown for pshaders.
 596      * FIXME: use the swizzle function for this */
 597
 598     swizzle_reg_chars[0] = pshader? 'r': 'x';
 599     swizzle_reg_chars[1] = pshader? 'g': 'y';
 600     swizzle_reg_chars[2] = pshader? 'b': 'z';
 601     swizzle_reg_chars[3] = pshader? 'a': 'w';
 602
 603     if (input) {
 604         if ( (modifier == WINED3DSPSM_NEG) ||
 605              (modifier == WINED3DSPSM_BIASNEG) ||
 606              (modifier == WINED3DSPSM_SIGNNEG) ||
 607              (modifier == WINED3DSPSM_X2NEG) ||
 608              (modifier == WINED3DSPSM_ABSNEG) )
 609             TRACE("-");
 610         else if (modifier == WINED3DSPSM_COMP)
 611             TRACE("1-");
 612         else if (modifier == WINED3DSPSM_NOT)
 613             TRACE("!");
 614
 615         if (modifier == WINED3DSPSM_ABS || modifier == WINED3DSPSM_ABSNEG)
 616             TRACE("abs(");
 617     }
 618
 619     switch (regtype) {
 620         case WINED3DSPR_TEMP:
 621             TRACE("r%u", reg);
 622             break;
 623         case WINED3DSPR_INPUT:
 624             TRACE("v");
 625             shader_dump_arr_entry(iface, param, addr_token, reg, input);
 626             break;
 627         case WINED3DSPR_CONST:
 628         case WINED3DSPR_CONST2:
 629         case WINED3DSPR_CONST3:
 630         case WINED3DSPR_CONST4:
 631             TRACE("c");
 632             shader_dump_arr_entry(iface, param, addr_token, shader_get_float_offset(param), input);
 633             break;
 634         case WINED3DSPR_TEXTURE: /* vs: case D3DSPR_ADDR */
 635             TRACE("%c%u", (pshader? 't':'a'), reg);
 636             break;
 637         case WINED3DSPR_RASTOUT:
 638             TRACE("%s", rastout_reg_names[reg]);
 639             break;
 640         case WINED3DSPR_COLOROUT:
 641             TRACE("oC%u", reg);
 642             break;
 643         case WINED3DSPR_DEPTHOUT:
 644             TRACE("oDepth");
 645             break;
 646         case WINED3DSPR_ATTROUT:
 647             TRACE("oD%u", reg);
 648             break;
 649         case WINED3DSPR_TEXCRDOUT:
 650
 651             /* Vertex shaders >= 3.0 use general purpose output registers
 652              * (WINED3DSPR_OUTPUT), which can include an address token */
 653
 654             if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 3) {
 655                 TRACE("o");
 656                 shader_dump_arr_entry(iface, param, addr_token, reg, input);
 657             }
 658             else
 659                TRACE("oT%u", reg);
 660             break;
 661         case WINED3DSPR_CONSTINT:
 662             TRACE("i");
 663             shader_dump_arr_entry(iface, param, addr_token, reg, input);
 664             break;
 665         case WINED3DSPR_CONSTBOOL:
 666             TRACE("b");
 667             shader_dump_arr_entry(iface, param, addr_token, reg, input);
 668             break;
 669         case WINED3DSPR_LABEL:
 670             TRACE("l%u", reg);
 671             break;
 672         case WINED3DSPR_LOOP:
 673             TRACE("aL");
 674             break;
 675         case WINED3DSPR_SAMPLER:
 676             TRACE("s%u", reg);
 677             break;
 678         case WINED3DSPR_MISCTYPE:
 679             if (reg > 1) {
 680                 FIXME("Unhandled misctype register %d\n", reg);
 681             } else {
 682                 TRACE("%s", misctype_reg_names[reg]);
 683             }
 684             break;
 685         case WINED3DSPR_PREDICATE:
 686             TRACE("p%u", reg);
 687             break;
 688         default:
 689             TRACE("unhandled_rtype(%#x)", regtype);
 690             break;
 691    }
 692
 693    if (!input) {
 694        /* operand output (for modifiers and shift, see dump_ins_modifiers) */
 695
 696        if ((param & WINED3DSP_WRITEMASK_ALL) != WINED3DSP_WRITEMASK_ALL) {
 697            TRACE(".");
 698            if (param & WINED3DSP_WRITEMASK_0) TRACE("%c", swizzle_reg_chars[0]);
 699            if (param & WINED3DSP_WRITEMASK_1) TRACE("%c", swizzle_reg_chars[1]);
 700            if (param & WINED3DSP_WRITEMASK_2) TRACE("%c", swizzle_reg_chars[2]);
 701            if (param & WINED3DSP_WRITEMASK_3) TRACE("%c", swizzle_reg_chars[3]);
 702        }
 703
 704    } else {
 705         /** operand input */
 706         DWORD swizzle = (param & WINED3DSP_SWIZZLE_MASK) >> WINED3DSP_SWIZZLE_SHIFT;
 707         DWORD swizzle_r = swizzle & 0x03;
 708         DWORD swizzle_g = (swizzle >> 2) & 0x03;
 709         DWORD swizzle_b = (swizzle >> 4) & 0x03;
 710         DWORD swizzle_a = (swizzle >> 6) & 0x03;
 711
 712         if (0 != modifier) {
 713             switch (modifier) {
 714                 case WINED3DSPSM_NONE:    break;
 715                 case WINED3DSPSM_NEG:     break;
 716                 case WINED3DSPSM_NOT:     break;
 717                 case WINED3DSPSM_BIAS:    TRACE("_bias"); break;
 718                 case WINED3DSPSM_BIASNEG: TRACE("_bias"); break;
 719                 case WINED3DSPSM_SIGN:    TRACE("_bx2"); break;
 720                 case WINED3DSPSM_SIGNNEG: TRACE("_bx2"); break;
 721                 case WINED3DSPSM_COMP:    break;
 722                 case WINED3DSPSM_X2:      TRACE("_x2"); break;
 723                 case WINED3DSPSM_X2NEG:   TRACE("_x2"); break;
 724                 case WINED3DSPSM_DZ:      TRACE("_dz"); break;
 725                 case WINED3DSPSM_DW:      TRACE("_dw"); break;
 726                 case WINED3DSPSM_ABSNEG:  TRACE(")"); break;
 727                 case WINED3DSPSM_ABS:     TRACE(")"); break;
 728                 default:
 729                     TRACE("_unknown_modifier(%#x)", modifier >> WINED3DSP_SRCMOD_SHIFT);
 730             }
 731         }
 732
 733         /**
 734         * swizzle bits fields:
 735         *  RRGGBBAA
 736         */
 737         if ((WINED3DVS_NOSWIZZLE >> WINED3DVS_SWIZZLE_SHIFT) != swizzle) {
 738             if (swizzle_r == swizzle_g &&
 739                 swizzle_r == swizzle_b &&
 740                 swizzle_r == swizzle_a) {
 741                     TRACE(".%c", swizzle_reg_chars[swizzle_r]);
 742             } else {
 743                 TRACE(".%c%c%c%c",
 744                 swizzle_reg_chars[swizzle_r],
 745                 swizzle_reg_chars[swizzle_g],
 746                 swizzle_reg_chars[swizzle_b],
 747                 swizzle_reg_chars[swizzle_a]);
 748             }
 749         }
 750     }
 751 }
 752
 753 /** Shared code in order to generate the bulk of the shader string.
 754     Use the shader_header_fct & shader_footer_fct to add strings
 755     that are specific to pixel or vertex functions
 756     NOTE: A description of how to parse tokens can be found at:
 757           http://msdn.microsoft.com/library/default.asp?url=/library/en-us/graphics/hh/graphics/usermodedisplaydriver_shader_cc8e4e05-f5c3-4ec0-8853-8ce07c1551b2.xml.asp */
 758 void shader_generate_main(
 759     IWineD3DBaseShader *iface,
 760     SHADER_BUFFER* buffer,
 761     shader_reg_maps* reg_maps,
 762     CONST DWORD* pFunction) {
 763
 764     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 765     IWineD3DDeviceImpl *device = (IWineD3DDeviceImpl *) This->baseShader.device; /* To access shader backend callbacks */
 766     const DWORD *pToken = pFunction;
 767     const SHADER_OPCODE *curOpcode = NULL;
 768     SHADER_HANDLER hw_fct = NULL;
 769     DWORD i;
 770     SHADER_OPCODE_ARG hw_arg;
 771
 772     /* Initialize current parsing state */
 773     hw_arg.shader = iface;
 774     hw_arg.buffer = buffer;
 775     hw_arg.reg_maps = reg_maps;
 776     This->baseShader.parse_state.current_row = 0;
 777
 778     /* Second pass, process opcodes */
 779     if (NULL != pToken) {
 780         while (WINED3DPS_END() != *pToken) {
 781
 782             /* Skip version token */
 783             if (shader_is_version_token(*pToken)) {
 784                 ++pToken;
 785                 continue;
 786             }
 787
 788             /* Skip comment tokens */
 789             if (shader_is_comment(*pToken)) {
 790                 DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 791                 ++pToken;
 792                 TRACE("#%s\n", (const char*)pToken);
 793                 pToken += comment_len;
 794                 continue;
 795             }
 796
 797             /* Read opcode */
 798             hw_arg.opcode_token = *pToken++;
 799             curOpcode = shader_get_opcode(iface, hw_arg.opcode_token);
 800
 801             /* Select handler */
 802             if (curOpcode == NULL)
 803                 hw_fct = NULL;
 804             else if (This->baseShader.shader_mode == SHADER_GLSL)
 805                 hw_fct = curOpcode->hw_glsl_fct;
 806             else if (This->baseShader.shader_mode == SHADER_ARB)
 807                 hw_fct = curOpcode->hw_fct;
 808
 809             /* Unknown opcode and its parameters */
 810             if (NULL == curOpcode) {
 811                 FIXME("Unrecognized opcode: token=%08x\n", hw_arg.opcode_token);
 812                 pToken += shader_skip_unrecognized(iface, pToken);
 813
 814             /* Nothing to do */
 815             } else if (WINED3DSIO_DCL == curOpcode->opcode ||
 816                        WINED3DSIO_NOP == curOpcode->opcode ||
 817                        WINED3DSIO_DEF == curOpcode->opcode ||
 818                        WINED3DSIO_DEFI == curOpcode->opcode ||
 819                        WINED3DSIO_DEFB == curOpcode->opcode ||
 820                        WINED3DSIO_PHASE == curOpcode->opcode ||
 821                        WINED3DSIO_RET == curOpcode->opcode) {
 822
 823                 pToken += shader_skip_opcode(This, curOpcode, hw_arg.opcode_token);
 824
 825             /* If a generator function is set for current shader target, use it */
 826             } else if (hw_fct != NULL) {
 827
 828                 hw_arg.opcode = curOpcode;
 829
 830                 /* Destination token */
 831                 if (curOpcode->dst_token) {
 832
 833                     DWORD param, addr_token = 0;
 834                     pToken += shader_get_param(iface, pToken, &param, &addr_token);
 835                     hw_arg.dst = param;
 836                     hw_arg.dst_addr = addr_token;
 837                 }
 838
 839                 /* Predication token */
 840                 if (hw_arg.opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)
 841                     hw_arg.predicate = *pToken++;
 842
 843                 /* Other source tokens */
 844                 for (i = 0; i < (curOpcode->num_params - curOpcode->dst_token); i++) {
 845
 846                     DWORD param, addr_token = 0;
 847                     pToken += shader_get_param(iface, pToken, &param, &addr_token);
 848                     hw_arg.src[i] = param;
 849                     hw_arg.src_addr[i] = addr_token;
 850                 }
 851
 852                 /* Call appropriate function for output target */
 853                 hw_fct(&hw_arg);
 854
 855                 /* Add color correction if needed */
 856                 device->shader_backend->shader_color_correction(&hw_arg);
 857
 858                 /* Process instruction modifiers for GLSL apps ( _sat, etc. ) */
 859                 if (This->baseShader.shader_mode == SHADER_GLSL)
 860                     shader_glsl_add_instruction_modifiers(&hw_arg);
 861
 862             /* Unhandled opcode */
 863             } else {
 864
 865                 FIXME("Can't handle opcode %s in hwShader\n", curOpcode->name);
 866                 pToken += shader_skip_opcode(This, curOpcode, hw_arg.opcode_token);
 867             }
 868         }
 869         /* TODO: What about result.depth? */
 870
 871     }
 872 }
 873
 874 void shader_dump_ins_modifiers(const DWORD output) {
 875
 876     DWORD shift = (output & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT;
 877     DWORD mmask = output & WINED3DSP_DSTMOD_MASK;
 878
 879     switch (shift) {
 880         case 0: break;
 881         case 13: TRACE("_d8"); break;
 882         case 14: TRACE("_d4"); break;
 883         case 15: TRACE("_d2"); break;
 884         case 1: TRACE("_x2"); break;
 885         case 2: TRACE("_x4"); break;
 886         case 3: TRACE("_x8"); break;
 887         default: TRACE("_unhandled_shift(%d)", shift); break;
 888     }
 889
 890     if (mmask & WINED3DSPDM_SATURATE)         TRACE("_sat");
 891     if (mmask & WINED3DSPDM_PARTIALPRECISION) TRACE("_pp");
 892     if (mmask & WINED3DSPDM_MSAMPCENTROID)    TRACE("_centroid");
 893
 894     mmask &= ~(WINED3DSPDM_SATURATE | WINED3DSPDM_PARTIALPRECISION | WINED3DSPDM_MSAMPCENTROID);
 895     if (mmask)
 896         FIXME("_unrecognized_modifier(%#x)", mmask >> WINED3DSP_DSTMOD_SHIFT);
 897 }
 898
 899 /* First pass: trace shader, initialize length and version */
 900 void shader_trace_init(
 901     IWineD3DBaseShader *iface,
 902     const DWORD* pFunction) {
 903
 904     IWineD3DBaseShaderImpl *This =(IWineD3DBaseShaderImpl *)iface;
 905
 906     const DWORD* pToken = pFunction;
 907     const SHADER_OPCODE* curOpcode = NULL;
 908     DWORD opcode_token;
 909     unsigned int len = 0;
 910     DWORD i;
 911
 912     TRACE("(%p) : Parsing programme\n", This);
 913
 914     if (NULL != pToken) {
 915         while (WINED3DVS_END() != *pToken) {
 916             if (shader_is_version_token(*pToken)) { /** version */
 917                 This->baseShader.hex_version = *pToken;
 918                 TRACE("%s_%u_%u\n", shader_is_pshader_version(This->baseShader.hex_version)? "ps": "vs",
 919                     WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version),
 920                     WINED3DSHADER_VERSION_MINOR(This->baseShader.hex_version));
 921                 ++pToken;
 922                 ++len;
 923                 continue;
 924             }
 925             if (shader_is_comment(*pToken)) { /** comment */
 926                 DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 927                 ++pToken;
 928                 TRACE("//%s\n", (const char*)pToken);
 929                 pToken += comment_len;
 930                 len += comment_len + 1;
 931                 continue;
 932             }
 933             opcode_token = *pToken++;
 934             curOpcode = shader_get_opcode(iface, opcode_token);
 935             len++;
 936
 937             if (NULL == curOpcode) {
 938                 int tokens_read;
 939                 FIXME("Unrecognized opcode: token=%08x\n", opcode_token);
 940                 tokens_read = shader_skip_unrecognized(iface, pToken);
 941                 pToken += tokens_read;
 942                 len += tokens_read;
 943
 944             } else {
 945                 if (curOpcode->opcode == WINED3DSIO_DCL) {
 946
 947                     DWORD usage = *pToken;
 948                     DWORD param = *(pToken + 1);
 949
 950                     shader_dump_decl_usage(This, usage, param);
 951                     shader_dump_ins_modifiers(param);
 952                     TRACE(" ");
 953                     shader_dump_param(iface, param, 0, 0);
 954                     pToken += 2;
 955                     len += 2;
 956
 957                 } else if (curOpcode->opcode == WINED3DSIO_DEF) {
 958
 959                         unsigned int offset = shader_get_float_offset(*pToken);
 960
 961                         TRACE("def c%u = %f, %f, %f, %f", offset,
 962                             *(const float *)(pToken + 1),
 963                             *(const float *)(pToken + 2),
 964                             *(const float *)(pToken + 3),
 965                             *(const float *)(pToken + 4));
 966
 967                         pToken += 5;
 968                         len += 5;
 969                 } else if (curOpcode->opcode == WINED3DSIO_DEFI) {
 970
 971                         TRACE("defi i%u = %d, %d, %d, %d", *pToken & WINED3DSP_REGNUM_MASK,
 972                             *(pToken + 1),
 973                             *(pToken + 2),
 974                             *(pToken + 3),
 975                             *(pToken + 4));
 976
 977                         pToken += 5;
 978                         len += 5;
 979
 980                 } else if (curOpcode->opcode == WINED3DSIO_DEFB) {
 981
 982                         TRACE("defb b%u = %s", *pToken & WINED3DSP_REGNUM_MASK,
 983                             *(pToken + 1)? "true": "false");
 984
 985                         pToken += 2;
 986                         len += 2;
 987
 988                 } else {
 989
 990                     DWORD param, addr_token;
 991                     int tokens_read;
 992
 993                     /* Print out predication source token first - it follows
 994                      * the destination token. */
 995                     if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) {
 996                         TRACE("(");
 997                         shader_dump_param(iface, *(pToken + 2), 0, 1);
 998                         TRACE(") ");
 999                     }
1000                     if (opcode_token & WINED3DSI_COISSUE) {
1001                         /* PixWin marks instructions with the coissue flag with a '+' */
1002                         TRACE("+");
1003                     }
1004
1005                     TRACE("%s", curOpcode->name);
1006
1007                     if (curOpcode->opcode == WINED3DSIO_IFC ||
1008                         curOpcode->opcode == WINED3DSIO_BREAKC) {
1009
1010                         DWORD op = (opcode_token & INST_CONTROLS_MASK) >> INST_CONTROLS_SHIFT;
1011                         switch (op) {
1012                             case COMPARISON_GT: TRACE("_gt"); break;
1013                             case COMPARISON_EQ: TRACE("_eq"); break;
1014                             case COMPARISON_GE: TRACE("_ge"); break;
1015                             case COMPARISON_LT: TRACE("_lt"); break;
1016                             case COMPARISON_NE: TRACE("_ne"); break;
1017                             case COMPARISON_LE: TRACE("_le"); break;
1018                             default:
1019                                 TRACE("_(%u)", op);
1020                         }
1021                     } else if (curOpcode->opcode == WINED3DSIO_TEX &&
1022                                This->baseShader.hex_version >= WINED3DPS_VERSION(2,0)) {
1023                         if(opcode_token & WINED3DSI_TEXLD_PROJECT) TRACE("p");
1024                     }
1025
1026                     /* Destination token */
1027                     if (curOpcode->dst_token) {
1028
1029                         /* Destination token */
1030                         tokens_read = shader_get_param(iface, pToken, &param, &addr_token);
1031                         pToken += tokens_read;
1032                         len += tokens_read;
1033
1034                         shader_dump_ins_modifiers(param);
1035                         TRACE(" ");
1036                         shader_dump_param(iface, param, addr_token, 0);
1037                     }
1038
1039                     /* Predication token - already printed out, just skip it */
1040                     if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) {
1041                         pToken++;
1042                         len++;
1043                     }
1044
1045                     /* Other source tokens */
1046                     for (i = curOpcode->dst_token; i < curOpcode->num_params; ++i) {
1047
1048                         tokens_read = shader_get_param(iface, pToken, &param, &addr_token);
1049                         pToken += tokens_read;
1050                         len += tokens_read;
1051
1052                         TRACE((i == 0)? " " : ", ");
1053                         shader_dump_param(iface, param, addr_token, 1);
1054                     }
1055                 }
1056                 TRACE("\n");
1057             }
1058         }
1059         This->baseShader.functionLength = (len + 1) * sizeof(DWORD);
1060     } else {
1061         This->baseShader.functionLength = 1; /* no Function defined use fixed function vertex processing */
1062     }
1063 }
1064
1065 static void shader_delete_constant_list(
1066     struct list* clist) {
1067
1068     struct list *ptr;
1069     struct local_constant* constant;
1070
1071     ptr = list_head(clist);
1072     while (ptr) {
1073         constant = LIST_ENTRY(ptr, struct local_constant, entry);
1074         ptr = list_next(clist, ptr);
1075         HeapFree(GetProcessHeap(), 0, constant);
1076     }
1077 }
1078
1079 static void shader_none_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {}
1080 static void shader_none_select_depth_blt(IWineD3DDevice *iface) {}
1081 static void shader_none_load_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
1082 static void shader_none_cleanup(IWineD3DDevice *iface) {}
1083 static void shader_none_color_correction(SHADER_OPCODE_ARG* arg) {}
1084 static void shader_none_destroy(IWineD3DBaseShader *iface) {}
1085
1086 const shader_backend_t none_shader_backend = {
1087     &shader_none_select,
1088     &shader_none_select_depth_blt,
1089     &shader_none_load_constants,
1090     &shader_none_cleanup,
1091     &shader_none_color_correction,
1092     &shader_none_destroy
1093 };
1094
1095 /* *******************************************
1096    IWineD3DPixelShader IUnknown parts follow
1097    ******************************************* */
1098 HRESULT  WINAPI IWineD3DBaseShaderImpl_QueryInterface(IWineD3DBaseShader *iface, REFIID riid, LPVOID *ppobj)
1099 {
1100     IWineD3DBaseShaderImpl *This = (IWineD3DBaseShaderImpl *)iface;
1101     TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppobj);
1102     if (IsEqualGUID(riid, &IID_IUnknown)
1103         || IsEqualGUID(riid, &IID_IWineD3DBase)
1104         || IsEqualGUID(riid, &IID_IWineD3DBaseShader)
1105         || IsEqualGUID(riid, &IID_IWineD3DPixelShader)) {
1106         IUnknown_AddRef(iface);
1107         *ppobj = This;
1108         return S_OK;
1109     }
1110     *ppobj = NULL;
1111     return E_NOINTERFACE;
1112 }
1113
1114 ULONG  WINAPI IWineD3DBaseShaderImpl_AddRef(IWineD3DBaseShader *iface) {
1115     IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)iface;
1116     TRACE("(%p) : AddRef increasing from %d\n", This, This->baseShader.ref);
1117     return InterlockedIncrement(&This->baseShader.ref);
1118 }
1119
1120 ULONG  WINAPI IWineD3DBaseShaderImpl_Release(IWineD3DBaseShader *iface) {
1121     IWineD3DBaseShaderImpl *This = (IWineD3DBaseShaderImpl *)iface;
1122     IWineD3DDeviceImpl *deviceImpl = (IWineD3DDeviceImpl *) This->baseShader.device;
1123     ULONG ref;
1124     TRACE("(%p) : Releasing from %d\n", This, This->baseShader.ref);
1125     ref = InterlockedDecrement(&This->baseShader.ref);
1126     if (ref == 0) {
1127         deviceImpl->shader_backend->shader_destroy(iface);
1128         HeapFree(GetProcessHeap(), 0, This->baseShader.function);
1129         shader_delete_constant_list(&This->baseShader.constantsF);
1130         shader_delete_constant_list(&This->baseShader.constantsB);
1131         shader_delete_constant_list(&This->baseShader.constantsI);
1132         HeapFree(GetProcessHeap(), 0, This);
1133     }
1134     return ref;
1135 }