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                         /* We have to select between texture rectangles and 2D textures later because 2.0 and
 353                          * 3.0 shaders only have WINED3DSTT_2D as well
 354                          */
 355                         case GL_TEXTURE_RECTANGLE_ARB:
 356                         case GL_TEXTURE_2D:
 357                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
 358                             break;
 359
 360                         case GL_TEXTURE_3D:
 361                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_VOLUME;
 362                             break;
 363
 364                         case GL_TEXTURE_CUBE_MAP_ARB:
 365                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_CUBE;
 366                             break;
 367
 368                         default:
 369                             ERR("Unexpected gl texture type found: %d\n", texType);
 370                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
 371                     }
 372                 }
 373
 374                 /* texbem is only valid with < 1.4 pixel shaders */
 375                 if(WINED3DSIO_TEXBEM  == curOpcode->opcode ||
 376                     WINED3DSIO_TEXBEML == curOpcode->opcode) {
 377                     if(reg_maps->bumpmat != -1 && reg_maps->bumpmat != sampler_code) {
 378                         FIXME("Pixel shader uses texbem instruction on more than 1 sampler\n");
 379                     } else {
 380                         reg_maps->bumpmat = sampler_code;
 381                         if(WINED3DSIO_TEXBEML == curOpcode->opcode) {
 382                             reg_maps->luminanceparams = sampler_code;
 383                         }
 384                     }
 385                 }
 386             }
 387             if(WINED3DSIO_NRM  == curOpcode->opcode) {
 388                 reg_maps->usesnrm = 1;
 389             } else if(WINED3DSIO_BEM == curOpcode->opcode) {
 390                 DWORD regnum = *pToken & WINED3DSP_REGNUM_MASK;
 391                 if(reg_maps->bumpmat != -1 && reg_maps->bumpmat != regnum) {
 392                     FIXME("Pixel shader uses bem or texbem instruction on more than 1 sampler\n");
 393                 } else {
 394                     reg_maps->bumpmat = regnum;
 395                 }
 396             } else if(WINED3DSIO_DSY  == curOpcode->opcode) {
 397                 reg_maps->usesdsy = 1;
 398             }
 399
 400             /* This will loop over all the registers and try to
 401              * make a bitmask of the ones we're interested in.
 402              *
 403              * Relative addressing tokens are ignored, but that's
 404              * okay, since we'll catch any address registers when
 405              * they are initialized (required by spec) */
 406
 407             limit = (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)?
 408                 curOpcode->num_params + 1: curOpcode->num_params;
 409
 410             for (i = 0; i < limit; ++i) {
 411
 412                 DWORD param, addr_token, reg, regtype;
 413                 pToken += shader_get_param(iface, pToken, &param, &addr_token);
 414
 415                 regtype = shader_get_regtype(param);
 416                 reg = param & WINED3DSP_REGNUM_MASK;
 417
 418                 if (WINED3DSPR_TEXTURE == regtype) { /* vs: WINED3DSPR_ADDR */
 419
 420                     if (pshader)
 421                         reg_maps->texcoord[reg] = 1;
 422                     else
 423                         reg_maps->address[reg] = 1;
 424                 }
 425
 426                 else if (WINED3DSPR_TEMP == regtype)
 427                     reg_maps->temporary[reg] = 1;
 428
 429                 else if (WINED3DSPR_INPUT == regtype) {
 430                     if( !pshader)
 431                         reg_maps->attributes[reg] = 1;
 432                     else {
 433                         if(param & WINED3DSHADER_ADDRMODE_RELATIVE) {
 434                             /* If relative addressing is used, we must assume that all registers
 435                              * are used. Even if it is a construct like v3[aL], we can't assume
 436                              * that v0, v1 and v2 aren't read because aL can be negative
 437                              */
 438                             unsigned int i;
 439                             for(i = 0; i < MAX_REG_INPUT; i++) {
 440                                 ((IWineD3DPixelShaderImpl *) This)->input_reg_used[i] = TRUE;
 441                             }
 442                         } else {
 443                             ((IWineD3DPixelShaderImpl *) This)->input_reg_used[reg] = TRUE;
 444                         }
 445                     }
 446                 }
 447
 448                 else if (WINED3DSPR_RASTOUT == regtype && reg == 1)
 449                     reg_maps->fog = 1;
 450
 451                 else if (WINED3DSPR_MISCTYPE == regtype && reg == 0 && pshader)
 452                     reg_maps->vpos = 1;
 453
 454                 else if(WINED3DSPR_CONST == regtype) {
 455                     if(param & WINED3DSHADER_ADDRMODE_RELATIVE) {
 456                         if(!pshader) {
 457                             if(reg <= ((IWineD3DVertexShaderImpl *) This)->min_rel_offset) {
 458                                 ((IWineD3DVertexShaderImpl *) This)->min_rel_offset = reg;
 459                             } else if(reg >= ((IWineD3DVertexShaderImpl *) This)->max_rel_offset) {
 460                                 ((IWineD3DVertexShaderImpl *) This)->max_rel_offset = reg;
 461                             }
 462                         }
 463                         reg_maps->usesrelconstF = TRUE;
 464                     }
 465                 }
 466
 467                 /* WINED3DSPR_TEXCRDOUT is the same as WINED3DSPR_OUTPUT. _OUTPUT can be > MAX_REG_TEXCRD and is used
 468                  * in >= 3.0 shaders. Filter 3.0 shaders to prevent overflows, and also filter pixel shaders because TECRDOUT
 469                  * isn't used in them, but future register types might cause issues
 470                  */
 471                 else if(WINED3DSPR_TEXCRDOUT == regtype && i == 0 /* Only look at writes */ &&
 472                         !pshader && WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) < 3) {
 473                     reg_maps->texcoord_mask[reg] |= shader_get_writemask(param);
 474                 }
 475             }
 476         }
 477     }
 478     reg_maps->loop_depth = max_loop_depth;
 479
 480     return WINED3D_OK;
 481 }
 482
 483 static void shader_dump_decl_usage(
 484     IWineD3DBaseShaderImpl* This,
 485     DWORD decl,
 486     DWORD param) {
 487
 488     DWORD regtype = shader_get_regtype(param);
 489
 490     TRACE("dcl");
 491
 492     if (regtype == WINED3DSPR_SAMPLER) {
 493         DWORD ttype = decl & WINED3DSP_TEXTURETYPE_MASK;
 494
 495         switch (ttype) {
 496             case WINED3DSTT_2D: TRACE("_2d"); break;
 497             case WINED3DSTT_CUBE: TRACE("_cube"); break;
 498             case WINED3DSTT_VOLUME: TRACE("_volume"); break;
 499             default: TRACE("_unknown_ttype(%08x)", ttype);
 500        }
 501
 502     } else {
 503
 504         DWORD usage = decl & WINED3DSP_DCL_USAGE_MASK;
 505         DWORD idx = (decl & WINED3DSP_DCL_USAGEINDEX_MASK) >> WINED3DSP_DCL_USAGEINDEX_SHIFT;
 506
 507         /* Pixel shaders 3.0 don't have usage semantics */
 508         char pshader = shader_is_pshader_version(This->baseShader.hex_version);
 509         if (pshader && This->baseShader.hex_version < WINED3DPS_VERSION(3,0))
 510             return;
 511         else
 512             TRACE("_");
 513
 514         switch(usage) {
 515         case WINED3DDECLUSAGE_POSITION:
 516             TRACE("position%d", idx);
 517             break;
 518         case WINED3DDECLUSAGE_BLENDINDICES:
 519             TRACE("blend");
 520             break;
 521         case WINED3DDECLUSAGE_BLENDWEIGHT:
 522             TRACE("weight");
 523             break;
 524         case WINED3DDECLUSAGE_NORMAL:
 525             TRACE("normal%d", idx);
 526             break;
 527         case WINED3DDECLUSAGE_PSIZE:
 528             TRACE("psize");
 529             break;
 530         case WINED3DDECLUSAGE_COLOR:
 531             if(idx == 0)  {
 532                 TRACE("color");
 533             } else {
 534                 TRACE("specular%d", (idx - 1));
 535             }
 536             break;
 537         case WINED3DDECLUSAGE_TEXCOORD:
 538             TRACE("texture%d", idx);
 539             break;
 540         case WINED3DDECLUSAGE_TANGENT:
 541             TRACE("tangent");
 542             break;
 543         case WINED3DDECLUSAGE_BINORMAL:
 544             TRACE("binormal");
 545             break;
 546         case WINED3DDECLUSAGE_TESSFACTOR:
 547             TRACE("tessfactor");
 548             break;
 549         case WINED3DDECLUSAGE_POSITIONT:
 550             TRACE("positionT%d", idx);
 551             break;
 552         case WINED3DDECLUSAGE_FOG:
 553             TRACE("fog");
 554             break;
 555         case WINED3DDECLUSAGE_DEPTH:
 556             TRACE("depth");
 557             break;
 558         case WINED3DDECLUSAGE_SAMPLE:
 559             TRACE("sample");
 560             break;
 561         default:
 562             FIXME("unknown_semantics(%08x)", usage);
 563         }
 564     }
 565 }
 566
 567 static void shader_dump_arr_entry(
 568     IWineD3DBaseShader *iface,
 569     const DWORD param,
 570     const DWORD addr_token,
 571     unsigned int reg,
 572     int input) {
 573
 574     char relative =
 575         ((param & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
 576
 577     if (relative) {
 578         TRACE("[");
 579         if (addr_token)
 580             shader_dump_param(iface, addr_token, 0, input);
 581         else
 582             TRACE("a0.x");
 583         TRACE(" + ");
 584      }
 585      TRACE("%u", reg);
 586      if (relative)
 587          TRACE("]");
 588 }
 589
 590 void shader_dump_param(
 591     IWineD3DBaseShader *iface,
 592     const DWORD param,
 593     const DWORD addr_token,
 594     int input) {
 595
 596     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 597     static const char * const rastout_reg_names[] = { "oPos", "oFog", "oPts" };
 598     static const char * const misctype_reg_names[] = { "vPos", "vFace"};
 599     char swizzle_reg_chars[4];
 600
 601     DWORD reg = param & WINED3DSP_REGNUM_MASK;
 602     DWORD regtype = shader_get_regtype(param);
 603     DWORD modifier = param & WINED3DSP_SRCMOD_MASK;
 604
 605     /* There are some minor differences between pixel and vertex shaders */
 606     char pshader = shader_is_pshader_version(This->baseShader.hex_version);
 607
 608     /* For one, we'd prefer color components to be shown for pshaders.
 609      * FIXME: use the swizzle function for this */
 610
 611     swizzle_reg_chars[0] = pshader? 'r': 'x';
 612     swizzle_reg_chars[1] = pshader? 'g': 'y';
 613     swizzle_reg_chars[2] = pshader? 'b': 'z';
 614     swizzle_reg_chars[3] = pshader? 'a': 'w';
 615
 616     if (input) {
 617         if ( (modifier == WINED3DSPSM_NEG) ||
 618              (modifier == WINED3DSPSM_BIASNEG) ||
 619              (modifier == WINED3DSPSM_SIGNNEG) ||
 620              (modifier == WINED3DSPSM_X2NEG) ||
 621              (modifier == WINED3DSPSM_ABSNEG) )
 622             TRACE("-");
 623         else if (modifier == WINED3DSPSM_COMP)
 624             TRACE("1-");
 625         else if (modifier == WINED3DSPSM_NOT)
 626             TRACE("!");
 627
 628         if (modifier == WINED3DSPSM_ABS || modifier == WINED3DSPSM_ABSNEG)
 629             TRACE("abs(");
 630     }
 631
 632     switch (regtype) {
 633         case WINED3DSPR_TEMP:
 634             TRACE("r%u", reg);
 635             break;
 636         case WINED3DSPR_INPUT:
 637             TRACE("v");
 638             shader_dump_arr_entry(iface, param, addr_token, reg, input);
 639             break;
 640         case WINED3DSPR_CONST:
 641         case WINED3DSPR_CONST2:
 642         case WINED3DSPR_CONST3:
 643         case WINED3DSPR_CONST4:
 644             TRACE("c");
 645             shader_dump_arr_entry(iface, param, addr_token, shader_get_float_offset(param), input);
 646             break;
 647         case WINED3DSPR_TEXTURE: /* vs: case D3DSPR_ADDR */
 648             TRACE("%c%u", (pshader? 't':'a'), reg);
 649             break;
 650         case WINED3DSPR_RASTOUT:
 651             TRACE("%s", rastout_reg_names[reg]);
 652             break;
 653         case WINED3DSPR_COLOROUT:
 654             TRACE("oC%u", reg);
 655             break;
 656         case WINED3DSPR_DEPTHOUT:
 657             TRACE("oDepth");
 658             break;
 659         case WINED3DSPR_ATTROUT:
 660             TRACE("oD%u", reg);
 661             break;
 662         case WINED3DSPR_TEXCRDOUT:
 663
 664             /* Vertex shaders >= 3.0 use general purpose output registers
 665              * (WINED3DSPR_OUTPUT), which can include an address token */
 666
 667             if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 3) {
 668                 TRACE("o");
 669                 shader_dump_arr_entry(iface, param, addr_token, reg, input);
 670             }
 671             else
 672                TRACE("oT%u", reg);
 673             break;
 674         case WINED3DSPR_CONSTINT:
 675             TRACE("i");
 676             shader_dump_arr_entry(iface, param, addr_token, reg, input);
 677             break;
 678         case WINED3DSPR_CONSTBOOL:
 679             TRACE("b");
 680             shader_dump_arr_entry(iface, param, addr_token, reg, input);
 681             break;
 682         case WINED3DSPR_LABEL:
 683             TRACE("l%u", reg);
 684             break;
 685         case WINED3DSPR_LOOP:
 686             TRACE("aL");
 687             break;
 688         case WINED3DSPR_SAMPLER:
 689             TRACE("s%u", reg);
 690             break;
 691         case WINED3DSPR_MISCTYPE:
 692             if (reg > 1) {
 693                 FIXME("Unhandled misctype register %d\n", reg);
 694             } else {
 695                 TRACE("%s", misctype_reg_names[reg]);
 696             }
 697             break;
 698         case WINED3DSPR_PREDICATE:
 699             TRACE("p%u", reg);
 700             break;
 701         default:
 702             TRACE("unhandled_rtype(%#x)", regtype);
 703             break;
 704    }
 705
 706    if (!input) {
 707        /* operand output (for modifiers and shift, see dump_ins_modifiers) */
 708
 709        if ((param & WINED3DSP_WRITEMASK_ALL) != WINED3DSP_WRITEMASK_ALL) {
 710            TRACE(".");
 711            if (param & WINED3DSP_WRITEMASK_0) TRACE("%c", swizzle_reg_chars[0]);
 712            if (param & WINED3DSP_WRITEMASK_1) TRACE("%c", swizzle_reg_chars[1]);
 713            if (param & WINED3DSP_WRITEMASK_2) TRACE("%c", swizzle_reg_chars[2]);
 714            if (param & WINED3DSP_WRITEMASK_3) TRACE("%c", swizzle_reg_chars[3]);
 715        }
 716
 717    } else {
 718         /** operand input */
 719         DWORD swizzle = (param & WINED3DSP_SWIZZLE_MASK) >> WINED3DSP_SWIZZLE_SHIFT;
 720         DWORD swizzle_r = swizzle & 0x03;
 721         DWORD swizzle_g = (swizzle >> 2) & 0x03;
 722         DWORD swizzle_b = (swizzle >> 4) & 0x03;
 723         DWORD swizzle_a = (swizzle >> 6) & 0x03;
 724
 725         if (0 != modifier) {
 726             switch (modifier) {
 727                 case WINED3DSPSM_NONE:    break;
 728                 case WINED3DSPSM_NEG:     break;
 729                 case WINED3DSPSM_NOT:     break;
 730                 case WINED3DSPSM_BIAS:    TRACE("_bias"); break;
 731                 case WINED3DSPSM_BIASNEG: TRACE("_bias"); break;
 732                 case WINED3DSPSM_SIGN:    TRACE("_bx2"); break;
 733                 case WINED3DSPSM_SIGNNEG: TRACE("_bx2"); break;
 734                 case WINED3DSPSM_COMP:    break;
 735                 case WINED3DSPSM_X2:      TRACE("_x2"); break;
 736                 case WINED3DSPSM_X2NEG:   TRACE("_x2"); break;
 737                 case WINED3DSPSM_DZ:      TRACE("_dz"); break;
 738                 case WINED3DSPSM_DW:      TRACE("_dw"); break;
 739                 case WINED3DSPSM_ABSNEG:  TRACE(")"); break;
 740                 case WINED3DSPSM_ABS:     TRACE(")"); break;
 741                 default:
 742                     TRACE("_unknown_modifier(%#x)", modifier >> WINED3DSP_SRCMOD_SHIFT);
 743             }
 744         }
 745
 746         /**
 747         * swizzle bits fields:
 748         *  RRGGBBAA
 749         */
 750         if ((WINED3DVS_NOSWIZZLE >> WINED3DVS_SWIZZLE_SHIFT) != swizzle) {
 751             if (swizzle_r == swizzle_g &&
 752                 swizzle_r == swizzle_b &&
 753                 swizzle_r == swizzle_a) {
 754                     TRACE(".%c", swizzle_reg_chars[swizzle_r]);
 755             } else {
 756                 TRACE(".%c%c%c%c",
 757                 swizzle_reg_chars[swizzle_r],
 758                 swizzle_reg_chars[swizzle_g],
 759                 swizzle_reg_chars[swizzle_b],
 760                 swizzle_reg_chars[swizzle_a]);
 761             }
 762         }
 763     }
 764 }
 765
 766 /** Shared code in order to generate the bulk of the shader string.
 767     Use the shader_header_fct & shader_footer_fct to add strings
 768     that are specific to pixel or vertex functions
 769     NOTE: A description of how to parse tokens can be found at:
 770           http://msdn.microsoft.com/library/default.asp?url=/library/en-us/graphics/hh/graphics/usermodedisplaydriver_shader_cc8e4e05-f5c3-4ec0-8853-8ce07c1551b2.xml.asp */
 771 void shader_generate_main(
 772     IWineD3DBaseShader *iface,
 773     SHADER_BUFFER* buffer,
 774     shader_reg_maps* reg_maps,
 775     CONST DWORD* pFunction) {
 776
 777     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 778     IWineD3DDeviceImpl *device = (IWineD3DDeviceImpl *) This->baseShader.device; /* To access shader backend callbacks */
 779     const DWORD *pToken = pFunction;
 780     const SHADER_OPCODE *curOpcode = NULL;
 781     SHADER_HANDLER hw_fct = NULL;
 782     DWORD i;
 783     SHADER_OPCODE_ARG hw_arg;
 784
 785     /* Initialize current parsing state */
 786     hw_arg.shader = iface;
 787     hw_arg.buffer = buffer;
 788     hw_arg.reg_maps = reg_maps;
 789     This->baseShader.parse_state.current_row = 0;
 790
 791     /* Second pass, process opcodes */
 792     if (NULL != pToken) {
 793         while (WINED3DPS_END() != *pToken) {
 794
 795             /* Skip version token */
 796             if (shader_is_version_token(*pToken)) {
 797                 ++pToken;
 798                 continue;
 799             }
 800
 801             /* Skip comment tokens */
 802             if (shader_is_comment(*pToken)) {
 803                 DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 804                 ++pToken;
 805                 TRACE("#%s\n", (const char*)pToken);
 806                 pToken += comment_len;
 807                 continue;
 808             }
 809
 810             /* Read opcode */
 811             hw_arg.opcode_token = *pToken++;
 812             curOpcode = shader_get_opcode(iface, hw_arg.opcode_token);
 813
 814             /* Select handler */
 815             if (curOpcode == NULL)
 816                 hw_fct = NULL;
 817             else if (This->baseShader.shader_mode == SHADER_GLSL)
 818                 hw_fct = curOpcode->hw_glsl_fct;
 819             else if (This->baseShader.shader_mode == SHADER_ARB)
 820                 hw_fct = curOpcode->hw_fct;
 821
 822             /* Unknown opcode and its parameters */
 823             if (NULL == curOpcode) {
 824                 FIXME("Unrecognized opcode: token=%08x\n", hw_arg.opcode_token);
 825                 pToken += shader_skip_unrecognized(iface, pToken);
 826
 827             /* Nothing to do */
 828             } else if (WINED3DSIO_DCL == curOpcode->opcode ||
 829                        WINED3DSIO_NOP == curOpcode->opcode ||
 830                        WINED3DSIO_DEF == curOpcode->opcode ||
 831                        WINED3DSIO_DEFI == curOpcode->opcode ||
 832                        WINED3DSIO_DEFB == curOpcode->opcode ||
 833                        WINED3DSIO_PHASE == curOpcode->opcode ||
 834                        WINED3DSIO_RET == curOpcode->opcode) {
 835
 836                 pToken += shader_skip_opcode(This, curOpcode, hw_arg.opcode_token);
 837
 838             /* If a generator function is set for current shader target, use it */
 839             } else if (hw_fct != NULL) {
 840
 841                 hw_arg.opcode = curOpcode;
 842
 843                 /* Destination token */
 844                 if (curOpcode->dst_token) {
 845
 846                     DWORD param, addr_token = 0;
 847                     pToken += shader_get_param(iface, pToken, &param, &addr_token);
 848                     hw_arg.dst = param;
 849                     hw_arg.dst_addr = addr_token;
 850                 }
 851
 852                 /* Predication token */
 853                 if (hw_arg.opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)
 854                     hw_arg.predicate = *pToken++;
 855
 856                 /* Other source tokens */
 857                 for (i = 0; i < (curOpcode->num_params - curOpcode->dst_token); i++) {
 858
 859                     DWORD param, addr_token = 0;
 860                     pToken += shader_get_param(iface, pToken, &param, &addr_token);
 861                     hw_arg.src[i] = param;
 862                     hw_arg.src_addr[i] = addr_token;
 863                 }
 864
 865                 /* Call appropriate function for output target */
 866                 hw_fct(&hw_arg);
 867
 868                 /* Add color correction if needed */
 869                 device->shader_backend->shader_color_correction(&hw_arg);
 870
 871                 /* Process instruction modifiers for GLSL apps ( _sat, etc. ) */
 872                 if (This->baseShader.shader_mode == SHADER_GLSL)
 873                     shader_glsl_add_instruction_modifiers(&hw_arg);
 874
 875             /* Unhandled opcode */
 876             } else {
 877
 878                 FIXME("Can't handle opcode %s in hwShader\n", curOpcode->name);
 879                 pToken += shader_skip_opcode(This, curOpcode, hw_arg.opcode_token);
 880             }
 881         }
 882         /* TODO: What about result.depth? */
 883
 884     }
 885 }
 886
 887 void shader_dump_ins_modifiers(const DWORD output) {
 888
 889     DWORD shift = (output & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT;
 890     DWORD mmask = output & WINED3DSP_DSTMOD_MASK;
 891
 892     switch (shift) {
 893         case 0: break;
 894         case 13: TRACE("_d8"); break;
 895         case 14: TRACE("_d4"); break;
 896         case 15: TRACE("_d2"); break;
 897         case 1: TRACE("_x2"); break;
 898         case 2: TRACE("_x4"); break;
 899         case 3: TRACE("_x8"); break;
 900         default: TRACE("_unhandled_shift(%d)", shift); break;
 901     }
 902
 903     if (mmask & WINED3DSPDM_SATURATE)         TRACE("_sat");
 904     if (mmask & WINED3DSPDM_PARTIALPRECISION) TRACE("_pp");
 905     if (mmask & WINED3DSPDM_MSAMPCENTROID)    TRACE("_centroid");
 906
 907     mmask &= ~(WINED3DSPDM_SATURATE | WINED3DSPDM_PARTIALPRECISION | WINED3DSPDM_MSAMPCENTROID);
 908     if (mmask)
 909         FIXME("_unrecognized_modifier(%#x)", mmask >> WINED3DSP_DSTMOD_SHIFT);
 910 }
 911
 912 /* First pass: trace shader, initialize length and version */
 913 void shader_trace_init(
 914     IWineD3DBaseShader *iface,
 915     const DWORD* pFunction) {
 916
 917     IWineD3DBaseShaderImpl *This =(IWineD3DBaseShaderImpl *)iface;
 918
 919     const DWORD* pToken = pFunction;
 920     const SHADER_OPCODE* curOpcode = NULL;
 921     DWORD opcode_token;
 922     unsigned int len = 0;
 923     DWORD i;
 924
 925     TRACE("(%p) : Parsing programme\n", This);
 926
 927     if (NULL != pToken) {
 928         while (WINED3DVS_END() != *pToken) {
 929             if (shader_is_version_token(*pToken)) { /** version */
 930                 This->baseShader.hex_version = *pToken;
 931                 TRACE("%s_%u_%u\n", shader_is_pshader_version(This->baseShader.hex_version)? "ps": "vs",
 932                     WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version),
 933                     WINED3DSHADER_VERSION_MINOR(This->baseShader.hex_version));
 934                 ++pToken;
 935                 ++len;
 936                 continue;
 937             }
 938             if (shader_is_comment(*pToken)) { /** comment */
 939                 DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 940                 ++pToken;
 941                 TRACE("//%s\n", (const char*)pToken);
 942                 pToken += comment_len;
 943                 len += comment_len + 1;
 944                 continue;
 945             }
 946             opcode_token = *pToken++;
 947             curOpcode = shader_get_opcode(iface, opcode_token);
 948             len++;
 949
 950             if (NULL == curOpcode) {
 951                 int tokens_read;
 952                 FIXME("Unrecognized opcode: token=%08x\n", opcode_token);
 953                 tokens_read = shader_skip_unrecognized(iface, pToken);
 954                 pToken += tokens_read;
 955                 len += tokens_read;
 956
 957             } else {
 958                 if (curOpcode->opcode == WINED3DSIO_DCL) {
 959
 960                     DWORD usage = *pToken;
 961                     DWORD param = *(pToken + 1);
 962
 963                     shader_dump_decl_usage(This, usage, param);
 964                     shader_dump_ins_modifiers(param);
 965                     TRACE(" ");
 966                     shader_dump_param(iface, param, 0, 0);
 967                     pToken += 2;
 968                     len += 2;
 969
 970                 } else if (curOpcode->opcode == WINED3DSIO_DEF) {
 971
 972                         unsigned int offset = shader_get_float_offset(*pToken);
 973
 974                         TRACE("def c%u = %f, %f, %f, %f", offset,
 975                             *(const float *)(pToken + 1),
 976                             *(const float *)(pToken + 2),
 977                             *(const float *)(pToken + 3),
 978                             *(const float *)(pToken + 4));
 979
 980                         pToken += 5;
 981                         len += 5;
 982                 } else if (curOpcode->opcode == WINED3DSIO_DEFI) {
 983
 984                         TRACE("defi i%u = %d, %d, %d, %d", *pToken & WINED3DSP_REGNUM_MASK,
 985                             *(pToken + 1),
 986                             *(pToken + 2),
 987                             *(pToken + 3),
 988                             *(pToken + 4));
 989
 990                         pToken += 5;
 991                         len += 5;
 992
 993                 } else if (curOpcode->opcode == WINED3DSIO_DEFB) {
 994
 995                         TRACE("defb b%u = %s", *pToken & WINED3DSP_REGNUM_MASK,
 996                             *(pToken + 1)? "true": "false");
 997
 998                         pToken += 2;
 999                         len += 2;
1000
1001                 } else {
1002
1003                     DWORD param, addr_token;
1004                     int tokens_read;
1005
1006                     /* Print out predication source token first - it follows
1007                      * the destination token. */
1008                     if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) {
1009                         TRACE("(");
1010                         shader_dump_param(iface, *(pToken + 2), 0, 1);
1011                         TRACE(") ");
1012                     }
1013                     if (opcode_token & WINED3DSI_COISSUE) {
1014                         /* PixWin marks instructions with the coissue flag with a '+' */
1015                         TRACE("+");
1016                     }
1017
1018                     TRACE("%s", curOpcode->name);
1019
1020                     if (curOpcode->opcode == WINED3DSIO_IFC ||
1021                         curOpcode->opcode == WINED3DSIO_BREAKC) {
1022
1023                         DWORD op = (opcode_token & INST_CONTROLS_MASK) >> INST_CONTROLS_SHIFT;
1024                         switch (op) {
1025                             case COMPARISON_GT: TRACE("_gt"); break;
1026                             case COMPARISON_EQ: TRACE("_eq"); break;
1027                             case COMPARISON_GE: TRACE("_ge"); break;
1028                             case COMPARISON_LT: TRACE("_lt"); break;
1029                             case COMPARISON_NE: TRACE("_ne"); break;
1030                             case COMPARISON_LE: TRACE("_le"); break;
1031                             default:
1032                                 TRACE("_(%u)", op);
1033                         }
1034                     } else if (curOpcode->opcode == WINED3DSIO_TEX &&
1035                                This->baseShader.hex_version >= WINED3DPS_VERSION(2,0)) {
1036                         if(opcode_token & WINED3DSI_TEXLD_PROJECT) TRACE("p");
1037                     }
1038
1039                     /* Destination token */
1040                     if (curOpcode->dst_token) {
1041
1042                         /* Destination token */
1043                         tokens_read = shader_get_param(iface, pToken, &param, &addr_token);
1044                         pToken += tokens_read;
1045                         len += tokens_read;
1046
1047                         shader_dump_ins_modifiers(param);
1048                         TRACE(" ");
1049                         shader_dump_param(iface, param, addr_token, 0);
1050                     }
1051
1052                     /* Predication token - already printed out, just skip it */
1053                     if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) {
1054                         pToken++;
1055                         len++;
1056                     }
1057
1058                     /* Other source tokens */
1059                     for (i = curOpcode->dst_token; i < curOpcode->num_params; ++i) {
1060
1061                         tokens_read = shader_get_param(iface, pToken, &param, &addr_token);
1062                         pToken += tokens_read;
1063                         len += tokens_read;
1064
1065                         TRACE((i == 0)? " " : ", ");
1066                         shader_dump_param(iface, param, addr_token, 1);
1067                     }
1068                 }
1069                 TRACE("\n");
1070             }
1071         }
1072         This->baseShader.functionLength = (len + 1) * sizeof(DWORD);
1073     } else {
1074         This->baseShader.functionLength = 1; /* no Function defined use fixed function vertex processing */
1075     }
1076 }
1077
1078 static void shader_delete_constant_list(
1079     struct list* clist) {
1080
1081     struct list *ptr;
1082     struct local_constant* constant;
1083
1084     ptr = list_head(clist);
1085     while (ptr) {
1086         constant = LIST_ENTRY(ptr, struct local_constant, entry);
1087         ptr = list_next(clist, ptr);
1088         HeapFree(GetProcessHeap(), 0, constant);
1089     }
1090 }
1091
1092 static void shader_none_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {}
1093 static void shader_none_select_depth_blt(IWineD3DDevice *iface) {}
1094 static void shader_none_load_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
1095 static void shader_none_cleanup(IWineD3DDevice *iface) {}
1096 static void shader_none_color_correction(SHADER_OPCODE_ARG* arg) {}
1097 static void shader_none_destroy(IWineD3DBaseShader *iface) {}
1098
1099 const shader_backend_t none_shader_backend = {
1100     &shader_none_select,
1101     &shader_none_select_depth_blt,
1102     &shader_none_load_constants,
1103     &shader_none_cleanup,
1104     &shader_none_color_correction,
1105     &shader_none_destroy
1106 };
1107
1108 /* *******************************************
1109    IWineD3DPixelShader IUnknown parts follow
1110    ******************************************* */
1111 HRESULT  WINAPI IWineD3DBaseShaderImpl_QueryInterface(IWineD3DBaseShader *iface, REFIID riid, LPVOID *ppobj)
1112 {
1113     IWineD3DBaseShaderImpl *This = (IWineD3DBaseShaderImpl *)iface;
1114     TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppobj);
1115     if (IsEqualGUID(riid, &IID_IUnknown)
1116         || IsEqualGUID(riid, &IID_IWineD3DBase)
1117         || IsEqualGUID(riid, &IID_IWineD3DBaseShader)
1118         || IsEqualGUID(riid, &IID_IWineD3DPixelShader)) {
1119         IUnknown_AddRef(iface);
1120         *ppobj = This;
1121         return S_OK;
1122     }
1123     *ppobj = NULL;
1124     return E_NOINTERFACE;
1125 }
1126
1127 ULONG  WINAPI IWineD3DBaseShaderImpl_AddRef(IWineD3DBaseShader *iface) {
1128     IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)iface;
1129     TRACE("(%p) : AddRef increasing from %d\n", This, This->baseShader.ref);
1130     return InterlockedIncrement(&This->baseShader.ref);
1131 }
1132
1133 ULONG  WINAPI IWineD3DBaseShaderImpl_Release(IWineD3DBaseShader *iface) {
1134     IWineD3DBaseShaderImpl *This = (IWineD3DBaseShaderImpl *)iface;
1135     IWineD3DDeviceImpl *deviceImpl = (IWineD3DDeviceImpl *) This->baseShader.device;
1136     ULONG ref;
1137     TRACE("(%p) : Releasing from %d\n", This, This->baseShader.ref);
1138     ref = InterlockedDecrement(&This->baseShader.ref);
1139     if (ref == 0) {
1140         deviceImpl->shader_backend->shader_destroy(iface);
1141         HeapFree(GetProcessHeap(), 0, This->baseShader.function);
1142         shader_delete_constant_list(&This->baseShader.constantsF);
1143         shader_delete_constant_list(&This->baseShader.constantsB);
1144         shader_delete_constant_list(&This->baseShader.constantsI);
1145         HeapFree(GetProcessHeap(), 0, This);
1146     }
1147     return ref;
1148 }