dlls/wined3d/shader_sm4.c

   1 /*
   2  * Copyright 2009 Henri Verbeet for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "config.h"
  20 #include "wine/port.h"
  21
  22 #include "wined3d_private.h"
  23
  24 WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
  25
  26 #define WINED3D_SM4_INSTRUCTION_MODIFIER        (1 << 31)
  27
  28 #define WINED3D_SM4_INSTRUCTION_LENGTH_SHIFT    24
  29 #define WINED3D_SM4_INSTRUCTION_LENGTH_MASK     (0xf << WINED3D_SM4_INSTRUCTION_LENGTH_SHIFT)
  30
  31 #define WINED3D_SM4_OPCODE_MASK                 0xff
  32
  33 #define WINED3D_SM4_REGISTER_MODIFIER           (1 << 31)
  34
  35 #define WINED3D_SM4_REGISTER_ORDER_SHIFT        20
  36 #define WINED3D_SM4_REGISTER_ORDER_MASK         (0x3 << WINED3D_SM4_REGISTER_ORDER_SHIFT)
  37
  38 #define WINED3D_SM4_REGISTER_TYPE_SHIFT         12
  39 #define WINED3D_SM4_REGISTER_TYPE_MASK          (0xf << WINED3D_SM4_REGISTER_TYPE_SHIFT)
  40
  41 #define WINED3D_SM4_IMMCONST_TYPE_SHIFT         0
  42 #define WINED3D_SM4_IMMCONST_TYPE_MASK          (0x3 << WINED3D_SM4_IMMCONST_TYPE_SHIFT)
  43
  44 #define WINED3D_SM4_WRITEMASK_SHIFT             4
  45 #define WINED3D_SM4_WRITEMASK_MASK              (0xf << WINED3D_SM4_WRITEMASK_SHIFT)
  46
  47 #define WINED3D_SM4_SWIZZLE_SHIFT               4
  48 #define WINED3D_SM4_SWIZZLE_MASK                (0xff << WINED3D_SM4_SWIZZLE_SHIFT)
  49
  50 #define WINED3D_SM4_VERSION_MAJOR(version)      (((version) >> 4) & 0xf)
  51 #define WINED3D_SM4_VERSION_MINOR(version)      (((version) >> 0) & 0xf)
  52
  53 enum wined3d_sm4_opcode
  54 {
  55     WINED3D_SM4_OP_ADD          = 0x00,
  56     WINED3D_SM4_OP_AND          = 0x01,
  57     WINED3D_SM4_OP_BREAK        = 0x02,
  58     WINED3D_SM4_OP_BREAKC       = 0x03,
  59     WINED3D_SM4_OP_CUT          = 0x09,
  60     WINED3D_SM4_OP_DERIV_RTX    = 0x0b,
  61     WINED3D_SM4_OP_DERIV_RTY    = 0x0c,
  62     WINED3D_SM4_OP_DIV          = 0x0e,
  63     WINED3D_SM4_OP_DP3          = 0x10,
  64     WINED3D_SM4_OP_DP4          = 0x11,
  65     WINED3D_SM4_OP_EMIT         = 0x13,
  66     WINED3D_SM4_OP_ENDIF        = 0x15,
  67     WINED3D_SM4_OP_ENDLOOP      = 0x16,
  68     WINED3D_SM4_OP_EQ           = 0x18,
  69     WINED3D_SM4_OP_EXP          = 0x19,
  70     WINED3D_SM4_OP_FRC          = 0x1a,
  71     WINED3D_SM4_OP_FTOI         = 0x1b,
  72     WINED3D_SM4_OP_GE           = 0x1d,
  73     WINED3D_SM4_OP_IADD         = 0x1e,
  74     WINED3D_SM4_OP_IF           = 0x1f,
  75     WINED3D_SM4_OP_IEQ          = 0x20,
  76     WINED3D_SM4_OP_IGE          = 0x21,
  77     WINED3D_SM4_OP_IMUL         = 0x26,
  78     WINED3D_SM4_OP_ITOF         = 0x2b,
  79     WINED3D_SM4_OP_LD           = 0x2d,
  80     WINED3D_SM4_OP_LOG          = 0x2f,
  81     WINED3D_SM4_OP_LOOP         = 0x30,
  82     WINED3D_SM4_OP_LT           = 0x31,
  83     WINED3D_SM4_OP_MAD          = 0x32,
  84     WINED3D_SM4_OP_MIN          = 0x33,
  85     WINED3D_SM4_OP_MAX          = 0x34,
  86     WINED3D_SM4_OP_MOV          = 0x36,
  87     WINED3D_SM4_OP_MOVC         = 0x37,
  88     WINED3D_SM4_OP_MUL          = 0x38,
  89     WINED3D_SM4_OP_RET          = 0x3e,
  90     WINED3D_SM4_OP_ROUND_NI     = 0x41,
  91     WINED3D_SM4_OP_RSQ          = 0x44,
  92     WINED3D_SM4_OP_SAMPLE       = 0x45,
  93     WINED3D_SM4_OP_SAMPLE_LOD   = 0x48,
  94     WINED3D_SM4_OP_SAMPLE_GRAD  = 0x49,
  95     WINED3D_SM4_OP_SQRT         = 0x4b,
  96     WINED3D_SM4_OP_SINCOS       = 0x4d,
  97     WINED3D_SM4_OP_UDIV         = 0x4e,
  98     WINED3D_SM4_OP_USHR         = 0x55,
  99     WINED3D_SM4_OP_UTOF         = 0x56,
 100     WINED3D_SM4_OP_XOR          = 0x57,
 101 };
 102
 103 enum wined3d_sm4_register_type
 104 {
 105     WINED3D_SM4_RT_TEMP         = 0x0,
 106     WINED3D_SM4_RT_INPUT        = 0x1,
 107     WINED3D_SM4_RT_OUTPUT       = 0x2,
 108     WINED3D_SM4_RT_IMMCONST     = 0x4,
 109     WINED3D_SM4_RT_SAMPLER      = 0x6,
 110     WINED3D_SM4_RT_CONSTBUFFER  = 0x8,
 111     WINED3D_SM4_RT_NULL         = 0xd,
 112 };
 113
 114 enum wined3d_sm4_immconst_type
 115 {
 116     WINED3D_SM4_IMMCONST_SCALAR = 0x1,
 117     WINED3D_SM4_IMMCONST_VEC4   = 0x2,
 118 };
 119
 120 struct wined3d_sm4_data
 121 {
 122     struct wined3d_shader_version shader_version;
 123     const DWORD *end;
 124     const struct wined3d_shader_signature *output_signature;
 125
 126     struct wined3d_shader_src_param src_rel_addr[5];
 127     struct wined3d_shader_src_param dst_rel_addr[2];
 128     struct wined3d_shader_src_param src_param[5];
 129     struct wined3d_shader_dst_param dst_param[2];
 130 };
 131
 132 struct wined3d_sm4_opcode_info
 133 {
 134     enum wined3d_sm4_opcode opcode;
 135     enum WINED3D_SHADER_INSTRUCTION_HANDLER handler_idx;
 136     const char *dst_info;
 137     const char *src_info;
 138 };
 139
 140 struct sysval_map
 141 {
 142     enum wined3d_sysval_semantic sysval;
 143     enum wined3d_shader_register_type register_type;
 144     UINT register_idx;
 145 };
 146
 147 /*
 148  * F -> WINED3D_DATA_FLOAT
 149  * I -> WINED3D_DATA_INT
 150  * R -> WINED3D_DATA_RESOURCE
 151  * S -> WINED3D_DATA_SAMPLER
 152  * U -> WINED3D_DATA_UINT
 153  */
 154 static const struct wined3d_sm4_opcode_info opcode_table[] =
 155 {
 156     {WINED3D_SM4_OP_ADD,        WINED3DSIH_ADD,         "F",    "FF"},
 157     {WINED3D_SM4_OP_AND,        WINED3DSIH_AND,         "U",    "UU"},
 158     {WINED3D_SM4_OP_BREAK,      WINED3DSIH_BREAK,       "",     ""},
 159     {WINED3D_SM4_OP_BREAKC,     WINED3DSIH_BREAKP,      "",     "U"},
 160     {WINED3D_SM4_OP_CUT,        WINED3DSIH_CUT,         "",     ""},
 161     {WINED3D_SM4_OP_DERIV_RTX,  WINED3DSIH_DSX,         "F",    "F"},
 162     {WINED3D_SM4_OP_DERIV_RTY,  WINED3DSIH_DSY,         "F",    "F"},
 163     {WINED3D_SM4_OP_DIV,        WINED3DSIH_DIV,         "F",    "FF"},
 164     {WINED3D_SM4_OP_DP3,        WINED3DSIH_DP3,         "F",    "FF"},
 165     {WINED3D_SM4_OP_DP4,        WINED3DSIH_DP4,         "F",    "FF"},
 166     {WINED3D_SM4_OP_EMIT,       WINED3DSIH_EMIT,        "",     ""},
 167     {WINED3D_SM4_OP_ENDIF,      WINED3DSIH_ENDIF,       "",     ""},
 168     {WINED3D_SM4_OP_ENDLOOP,    WINED3DSIH_ENDLOOP,     "",     ""},
 169     {WINED3D_SM4_OP_EQ,         WINED3DSIH_EQ,          "U",    "FF"},
 170     {WINED3D_SM4_OP_EXP,        WINED3DSIH_EXP,         "F",    "F"},
 171     {WINED3D_SM4_OP_FRC,        WINED3DSIH_FRC,         "F",    "F"},
 172     {WINED3D_SM4_OP_FTOI,       WINED3DSIH_FTOI,        "I",    "F"},
 173     {WINED3D_SM4_OP_GE,         WINED3DSIH_GE,          "U",    "FF"},
 174     {WINED3D_SM4_OP_IADD,       WINED3DSIH_IADD,        "I",    "II"},
 175     {WINED3D_SM4_OP_IF,         WINED3DSIH_IF,          "",     "U"},
 176     {WINED3D_SM4_OP_IEQ,        WINED3DSIH_IEQ,         "U",    "II"},
 177     {WINED3D_SM4_OP_IGE,        WINED3DSIH_IGE,         "U",    "II"},
 178     {WINED3D_SM4_OP_IMUL,       WINED3DSIH_IMUL,        "II",   "II"},
 179     {WINED3D_SM4_OP_ITOF,       WINED3DSIH_ITOF,        "F",    "I"},
 180     {WINED3D_SM4_OP_LD,         WINED3DSIH_LD,          "U",    "FR"},
 181     {WINED3D_SM4_OP_LOG,        WINED3DSIH_LOG,         "F",    "F"},
 182     {WINED3D_SM4_OP_LOOP,       WINED3DSIH_LOOP,        "",     ""},
 183     {WINED3D_SM4_OP_LT,         WINED3DSIH_LT,          "U",    "FF"},
 184     {WINED3D_SM4_OP_MAD,        WINED3DSIH_MAD,         "F",    "FFF"},
 185     {WINED3D_SM4_OP_MIN,        WINED3DSIH_MIN,         "F",    "FF"},
 186     {WINED3D_SM4_OP_MAX,        WINED3DSIH_MAX,         "F",    "FF"},
 187     {WINED3D_SM4_OP_MOV,        WINED3DSIH_MOV,         "F",    "F"},
 188     {WINED3D_SM4_OP_MOVC,       WINED3DSIH_MOVC,        "F",    "UFF"},
 189     {WINED3D_SM4_OP_MUL,        WINED3DSIH_MUL,         "F",    "FF"},
 190     {WINED3D_SM4_OP_RET,        WINED3DSIH_RET,         "",     ""},
 191     {WINED3D_SM4_OP_ROUND_NI,   WINED3DSIH_ROUND_NI,    "F",    "F"},
 192     {WINED3D_SM4_OP_RSQ,        WINED3DSIH_RSQ,         "F",    "F"},
 193     {WINED3D_SM4_OP_SAMPLE,     WINED3DSIH_SAMPLE,      "U",    "FRS"},
 194     {WINED3D_SM4_OP_SAMPLE_LOD, WINED3DSIH_SAMPLE_LOD,  "U",    "FRSF"},
 195     {WINED3D_SM4_OP_SAMPLE_GRAD,WINED3DSIH_SAMPLE_GRAD, "U",    "FRSFF"},
 196     {WINED3D_SM4_OP_SQRT,       WINED3DSIH_SQRT,        "F",    "F"},
 197     {WINED3D_SM4_OP_SINCOS,     WINED3DSIH_SINCOS,      "FF",   "F"},
 198     {WINED3D_SM4_OP_UDIV,       WINED3DSIH_UDIV,        "UU",   "UU"},
 199     {WINED3D_SM4_OP_USHR,       WINED3DSIH_USHR,        "U",    "UU"},
 200     {WINED3D_SM4_OP_UTOF,       WINED3DSIH_UTOF,        "F",    "U"},
 201     {WINED3D_SM4_OP_XOR,        WINED3DSIH_XOR,         "U",    "UU"},
 202 };
 203
 204 static const enum wined3d_shader_register_type register_type_table[] =
 205 {
 206     /* WINED3D_SM4_RT_TEMP */           WINED3DSPR_TEMP,
 207     /* WINED3D_SM4_RT_INPUT */          WINED3DSPR_INPUT,
 208     /* WINED3D_SM4_RT_OUTPUT */         WINED3DSPR_OUTPUT,
 209     /* UNKNOWN */                       0,
 210     /* WINED3D_SM4_RT_IMMCONST */       WINED3DSPR_IMMCONST,
 211     /* UNKNOWN */                       0,
 212     /* WINED3D_SM4_RT_SAMPLER */        WINED3DSPR_SAMPLER,
 213     /* WINED3D_SM4_RT_RESOURCE */       WINED3DSPR_RESOURCE,
 214     /* WINED3D_SM4_RT_CONSTBUFFER */    WINED3DSPR_CONSTBUFFER,
 215     /* UNKNOWN */                       0,
 216     /* UNKNOWN */                       0,
 217     /* UNKNOWN */                       0,
 218     /* UNKNOWN */                       0,
 219     /* WINED3D_SM4_RT_NULL */           WINED3DSPR_NULL,
 220 };
 221
 222 static const struct sysval_map sysval_map[] =
 223 {
 224     {WINED3D_SV_DEPTH,      WINED3DSPR_DEPTHOUT,    0},
 225     {WINED3D_SV_TARGET0,    WINED3DSPR_COLOROUT,    0},
 226     {WINED3D_SV_TARGET1,    WINED3DSPR_COLOROUT,    1},
 227     {WINED3D_SV_TARGET2,    WINED3DSPR_COLOROUT,    2},
 228     {WINED3D_SV_TARGET3,    WINED3DSPR_COLOROUT,    3},
 229     {WINED3D_SV_TARGET4,    WINED3DSPR_COLOROUT,    4},
 230     {WINED3D_SV_TARGET5,    WINED3DSPR_COLOROUT,    5},
 231     {WINED3D_SV_TARGET6,    WINED3DSPR_COLOROUT,    6},
 232     {WINED3D_SV_TARGET7,    WINED3DSPR_COLOROUT,    7},
 233 };
 234
 235 static const struct wined3d_sm4_opcode_info *get_opcode_info(enum wined3d_sm4_opcode opcode)
 236 {
 237     unsigned int i;
 238
 239     for (i = 0; i < sizeof(opcode_table) / sizeof(*opcode_table); ++i)
 240     {
 241         if (opcode == opcode_table[i].opcode) return &opcode_table[i];
 242     }
 243
 244     return NULL;
 245 }
 246
 247 static void map_sysval(enum wined3d_sysval_semantic sysval, struct wined3d_shader_register *reg)
 248 {
 249     unsigned int i;
 250
 251     for (i = 0; i < sizeof(sysval_map) / sizeof(*sysval_map); ++i)
 252     {
 253         if (sysval == sysval_map[i].sysval)
 254         {
 255             reg->type = sysval_map[i].register_type;
 256             reg->idx = sysval_map[i].register_idx;
 257         }
 258     }
 259 }
 260
 261 static void map_register(const struct wined3d_sm4_data *priv, struct wined3d_shader_register *reg)
 262 {
 263     switch (priv->shader_version.type)
 264     {
 265         case WINED3D_SHADER_TYPE_PIXEL:
 266             if (reg->type == WINED3DSPR_OUTPUT)
 267             {
 268                 unsigned int i;
 269                 const struct wined3d_shader_signature *s = priv->output_signature;
 270
 271                 if (!s)
 272                 {
 273                     ERR("Shader has no output signature, unable to map register.\n");
 274                     break;
 275                 }
 276
 277                 for (i = 0; i < s->element_count; ++i)
 278                 {
 279                     if (s->elements[i].register_idx == reg->idx)
 280                     {
 281                         map_sysval(s->elements[i].sysval_semantic, reg);
 282                         break;
 283                     }
 284                 }
 285             }
 286             break;
 287
 288         default:
 289             break;
 290     }
 291 }
 292
 293 static enum wined3d_data_type map_data_type(char t)
 294 {
 295     switch (t)
 296     {
 297         case 'F':
 298             return WINED3D_DATA_FLOAT;
 299         case 'I':
 300             return WINED3D_DATA_INT;
 301         case 'R':
 302             return WINED3D_DATA_RESOURCE;
 303         case 'S':
 304             return WINED3D_DATA_SAMPLER;
 305         case 'U':
 306             return WINED3D_DATA_UINT;
 307         default:
 308             ERR("Invalid data type '%c'.\n", t);
 309             return WINED3D_DATA_FLOAT;
 310     }
 311 }
 312
 313 static void *shader_sm4_init(const DWORD *byte_code, const struct wined3d_shader_signature *output_signature)
 314 {
 315     struct wined3d_sm4_data *priv = HeapAlloc(GetProcessHeap(), 0, sizeof(*priv));
 316     if (!priv)
 317     {
 318         ERR("Failed to allocate private data\n");
 319         return NULL;
 320     }
 321
 322     priv->output_signature = output_signature;
 323
 324     return priv;
 325 }
 326
 327 static void shader_sm4_free(void *data)
 328 {
 329     HeapFree(GetProcessHeap(), 0, data);
 330 }
 331
 332 static void shader_sm4_read_header(void *data, const DWORD **ptr, struct wined3d_shader_version *shader_version)
 333 {
 334     struct wined3d_sm4_data *priv = data;
 335     DWORD version_token;
 336
 337     priv->end = *ptr;
 338
 339     version_token = *(*ptr)++;
 340     TRACE("version: 0x%08x\n", version_token);
 341
 342     TRACE("token count: %u\n", **ptr);
 343     priv->end += *(*ptr)++;
 344
 345     switch (version_token >> 16)
 346     {
 347         case WINED3D_SM4_PS:
 348             priv->shader_version.type = WINED3D_SHADER_TYPE_PIXEL;
 349             break;
 350
 351         case WINED3D_SM4_VS:
 352             priv->shader_version.type = WINED3D_SHADER_TYPE_VERTEX;
 353             break;
 354
 355         case WINED3D_SM4_GS:
 356             priv->shader_version.type = WINED3D_SHADER_TYPE_GEOMETRY;
 357             break;
 358
 359         default:
 360             FIXME("Unrecognized shader type %#x\n", version_token >> 16);
 361     }
 362     priv->shader_version.major = WINED3D_SM4_VERSION_MAJOR(version_token);
 363     priv->shader_version.minor = WINED3D_SM4_VERSION_MINOR(version_token);
 364
 365     *shader_version = priv->shader_version;
 366 }
 367
 368 static void shader_sm4_read_src_param(struct wined3d_sm4_data *priv, const DWORD **ptr,
 369         enum wined3d_data_type data_type, struct wined3d_shader_src_param *src_param,
 370         struct wined3d_shader_src_param *src_rel_addr)
 371 {
 372     DWORD token = *(*ptr)++;
 373     enum wined3d_sm4_register_type register_type;
 374     DWORD order;
 375
 376     register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
 377     if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
 378     {
 379         FIXME("Unhandled register type %#x\n", register_type);
 380         src_param->reg.type = WINED3DSPR_TEMP;
 381     }
 382     else
 383     {
 384         src_param->reg.type = register_type_table[register_type];
 385     }
 386     src_param->reg.data_type = data_type;
 387
 388     if (token & WINED3D_SM4_REGISTER_MODIFIER)
 389     {
 390         DWORD modifier = *(*ptr)++;
 391
 392         /* FIXME: This will probably break down at some point. The SM4
 393          * modifiers look like flags, while wined3d currently has an enum
 394          * with possible combinations, e.g. WINED3DSPSM_ABSNEG. */
 395         switch (modifier)
 396         {
 397             case 0x41:
 398                 src_param->modifiers = WINED3DSPSM_NEG;
 399                 break;
 400
 401             case 0x81:
 402                 src_param->modifiers = WINED3DSPSM_ABS;
 403                 break;
 404
 405             default:
 406                 FIXME("Skipping modifier 0x%08x.\n", modifier);
 407                 src_param->modifiers = WINED3DSPSM_NONE;
 408                 break;
 409         }
 410     }
 411     else
 412     {
 413         src_param->modifiers = WINED3DSPSM_NONE;
 414     }
 415
 416     order = (token & WINED3D_SM4_REGISTER_ORDER_MASK) >> WINED3D_SM4_REGISTER_ORDER_SHIFT;
 417
 418     if (order < 1) src_param->reg.idx = ~0U;
 419     else src_param->reg.idx = *(*ptr)++;
 420
 421     if (order < 2) src_param->reg.array_idx = ~0U;
 422     else src_param->reg.array_idx = *(*ptr)++;
 423
 424     if (order > 2) FIXME("Unhandled order %u.\n", order);
 425
 426     if (register_type == WINED3D_SM4_RT_IMMCONST)
 427     {
 428         enum wined3d_sm4_immconst_type immconst_type =
 429                 (token & WINED3D_SM4_IMMCONST_TYPE_MASK) >> WINED3D_SM4_IMMCONST_TYPE_SHIFT;
 430         src_param->swizzle = WINED3DSP_NOSWIZZLE;
 431
 432         switch(immconst_type)
 433         {
 434             case WINED3D_SM4_IMMCONST_SCALAR:
 435                 src_param->reg.immconst_type = WINED3D_IMMCONST_SCALAR;
 436                 memcpy(src_param->reg.immconst_data, *ptr, 1 * sizeof(DWORD));
 437                 *ptr += 1;
 438                 break;
 439
 440             case WINED3D_SM4_IMMCONST_VEC4:
 441                 src_param->reg.immconst_type = WINED3D_IMMCONST_VEC4;
 442                 memcpy(src_param->reg.immconst_data, *ptr, 4 * sizeof(DWORD));
 443                 *ptr += 4;
 444                 break;
 445
 446             default:
 447                 FIXME("Unhandled immediate constant type %#x\n", immconst_type);
 448                 break;
 449         }
 450     }
 451     else
 452     {
 453         src_param->swizzle = (token & WINED3D_SM4_SWIZZLE_MASK) >> WINED3D_SM4_SWIZZLE_SHIFT;
 454     }
 455
 456     src_param->reg.rel_addr = NULL;
 457
 458     map_register(priv, &src_param->reg);
 459 }
 460
 461 static void shader_sm4_read_dst_param(struct wined3d_sm4_data *priv, const DWORD **ptr,
 462         enum wined3d_data_type data_type, struct wined3d_shader_dst_param *dst_param,
 463         struct wined3d_shader_src_param *dst_rel_addr)
 464 {
 465     DWORD token = *(*ptr)++;
 466     enum wined3d_sm4_register_type register_type;
 467     DWORD order;
 468
 469     register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
 470     if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
 471     {
 472         FIXME("Unhandled register type %#x\n", register_type);
 473         dst_param->reg.type = WINED3DSPR_TEMP;
 474     }
 475     else
 476     {
 477         dst_param->reg.type = register_type_table[register_type];
 478     }
 479     dst_param->reg.data_type = data_type;
 480
 481     order = (token & WINED3D_SM4_REGISTER_ORDER_MASK) >> WINED3D_SM4_REGISTER_ORDER_SHIFT;
 482
 483     if (order < 1) dst_param->reg.idx = ~0U;
 484     else dst_param->reg.idx = *(*ptr)++;
 485
 486     if (order < 2) dst_param->reg.array_idx = ~0U;
 487     else dst_param->reg.array_idx = *(*ptr)++;
 488
 489     if (order > 2) FIXME("Unhandled order %u.\n", order);
 490
 491     dst_param->write_mask = (token & WINED3D_SM4_WRITEMASK_MASK) >> WINED3D_SM4_WRITEMASK_SHIFT;
 492     dst_param->modifiers = 0;
 493     dst_param->shift = 0;
 494     dst_param->reg.rel_addr = NULL;
 495
 496     map_register(priv, &dst_param->reg);
 497 }
 498
 499 static void shader_sm4_read_instruction(void *data, const DWORD **ptr, struct wined3d_shader_instruction *ins)
 500 {
 501     const struct wined3d_sm4_opcode_info *opcode_info;
 502     struct wined3d_sm4_data *priv = data;
 503     DWORD opcode_token, opcode;
 504     const DWORD *p;
 505     UINT i, len;
 506
 507     opcode_token = *(*ptr)++;
 508     opcode = opcode_token & WINED3D_SM4_OPCODE_MASK;
 509     len = ((opcode_token & WINED3D_SM4_INSTRUCTION_LENGTH_MASK) >> WINED3D_SM4_INSTRUCTION_LENGTH_SHIFT) - 1;
 510
 511     if (!(opcode_info = get_opcode_info(opcode)))
 512     {
 513         FIXME("Unrecognized opcode %#x, opcode_token 0x%08x.\n", opcode, opcode_token);
 514         ins->handler_idx = WINED3DSIH_TABLE_SIZE;
 515         *ptr += len;
 516         return;
 517     }
 518
 519     ins->handler_idx = opcode_info->handler_idx;
 520     ins->flags = 0;
 521     ins->coissue = 0;
 522     ins->predicate = NULL;
 523     ins->dst_count = strlen(opcode_info->dst_info);
 524     ins->dst = priv->dst_param;
 525     ins->src_count = strlen(opcode_info->src_info);
 526     ins->src = priv->src_param;
 527
 528     p = *ptr;
 529     *ptr += len;
 530
 531     if (opcode_token & WINED3D_SM4_INSTRUCTION_MODIFIER)
 532     {
 533         DWORD modifier = *p++;
 534         FIXME("Skipping modifier 0x%08x.\n", modifier);
 535     }
 536
 537     for (i = 0; i < ins->dst_count; ++i)
 538     {
 539         shader_sm4_read_dst_param(priv, &p, map_data_type(opcode_info->dst_info[i]),
 540                 &priv->dst_param[i], &priv->dst_rel_addr[i]);
 541     }
 542
 543     for (i = 0; i < ins->src_count; ++i)
 544     {
 545         shader_sm4_read_src_param(priv, &p, map_data_type(opcode_info->src_info[i]),
 546                 &priv->src_param[i], &priv->src_rel_addr[i]);
 547     }
 548 }
 549
 550 static void shader_sm4_read_comment(const DWORD **ptr, const char **comment, UINT *comment_size)
 551 {
 552     FIXME("ptr %p, comment %p, comment_size %p stub!\n", ptr, comment, comment_size);
 553     *comment = NULL;
 554 }
 555
 556 static BOOL shader_sm4_is_end(void *data, const DWORD **ptr)
 557 {
 558     struct wined3d_sm4_data *priv = data;
 559     return *ptr == priv->end;
 560 }
 561
 562 const struct wined3d_shader_frontend sm4_shader_frontend =
 563 {
 564     shader_sm4_init,
 565     shader_sm4_free,
 566     shader_sm4_read_header,
 567     shader_sm4_read_instruction,
 568     shader_sm4_read_comment,
 569     shader_sm4_is_end,
 570 };