reactos/dll/directx/wine/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_LENGTH_SHIFT    24
  27 #define WINED3D_SM4_INSTRUCTION_LENGTH_MASK     (0xf << WINED3D_SM4_INSTRUCTION_LENGTH_SHIFT)
  28
  29 #define WINED3D_SM4_OPCODE_MASK                 0xff
  30
  31 #define WINED3D_SM4_REGISTER_ORDER_SHIFT        20
  32 #define WINED3D_SM4_REGISTER_ORDER_MASK         (0x3 << WINED3D_SM4_REGISTER_ORDER_SHIFT)
  33
  34 #define WINED3D_SM4_REGISTER_TYPE_SHIFT         12
  35 #define WINED3D_SM4_REGISTER_TYPE_MASK          (0xf << WINED3D_SM4_REGISTER_TYPE_SHIFT)
  36
  37 #define WINED3D_SM4_IMMCONST_TYPE_SHIFT         0
  38 #define WINED3D_SM4_IMMCONST_TYPE_MASK          (0x3 << WINED3D_SM4_IMMCONST_TYPE_SHIFT)
  39
  40 #define WINED3D_SM4_WRITEMASK_SHIFT             4
  41 #define WINED3D_SM4_WRITEMASK_MASK              (0xf << WINED3D_SM4_WRITEMASK_SHIFT)
  42
  43 #define WINED3D_SM4_SWIZZLE_SHIFT               4
  44 #define WINED3D_SM4_SWIZZLE_MASK                (0xff << WINED3D_SM4_SWIZZLE_SHIFT)
  45
  46 #define WINED3D_SM4_VERSION_MAJOR(version)      (((version) >> 4) & 0xf)
  47 #define WINED3D_SM4_VERSION_MINOR(version)      (((version) >> 0) & 0xf)
  48
  49 enum wined3d_sm4_opcode
  50 {
  51     WINED3D_SM4_OP_ADD      = 0x00,
  52     WINED3D_SM4_OP_AND      = 0x01,
  53     WINED3D_SM4_OP_BREAK    = 0x02,
  54     WINED3D_SM4_OP_BREAKC   = 0x03,
  55     WINED3D_SM4_OP_CUT      = 0x09,
  56     WINED3D_SM4_OP_DP3      = 0x10,
  57     WINED3D_SM4_OP_DP4      = 0x11,
  58     WINED3D_SM4_OP_EMIT     = 0x13,
  59     WINED3D_SM4_OP_ENDIF    = 0x15,
  60     WINED3D_SM4_OP_ENDLOOP  = 0x16,
  61     WINED3D_SM4_OP_EXP      = 0x19,
  62     WINED3D_SM4_OP_FRC      = 0x1a,
  63     WINED3D_SM4_OP_IADD     = 0x1e,
  64     WINED3D_SM4_OP_IF       = 0x1f,
  65     WINED3D_SM4_OP_IGE      = 0x21,
  66     WINED3D_SM4_OP_IMUL     = 0x26,
  67     WINED3D_SM4_OP_LOG      = 0x2f,
  68     WINED3D_SM4_OP_LOOP     = 0x30,
  69     WINED3D_SM4_OP_LT       = 0x31,
  70     WINED3D_SM4_OP_MAD      = 0x32,
  71     WINED3D_SM4_OP_MIN      = 0x33,
  72     WINED3D_SM4_OP_MAX      = 0x34,
  73     WINED3D_SM4_OP_MOV      = 0x36,
  74     WINED3D_SM4_OP_MOVC     = 0x37,
  75     WINED3D_SM4_OP_MUL      = 0x38,
  76     WINED3D_SM4_OP_RET      = 0x3e,
  77     WINED3D_SM4_OP_RSQ      = 0x44,
  78     WINED3D_SM4_OP_SINCOS   = 0x4d,
  79 };
  80
  81 enum wined3d_sm4_register_type
  82 {
  83     WINED3D_SM4_RT_TEMP         = 0x0,
  84     WINED3D_SM4_RT_INPUT        = 0x1,
  85     WINED3D_SM4_RT_OUTPUT       = 0x2,
  86     WINED3D_SM4_RT_IMMCONST     = 0x4,
  87     WINED3D_SM4_RT_CONSTBUFFER  = 0x8,
  88     WINED3D_SM4_RT_NULL         = 0xd,
  89 };
  90
  91 enum wined3d_sm4_immconst_type
  92 {
  93     WINED3D_SM4_IMMCONST_SCALAR = 0x1,
  94     WINED3D_SM4_IMMCONST_VEC4   = 0x2,
  95 };
  96
  97 struct wined3d_sm4_data
  98 {
  99     struct wined3d_shader_version shader_version;
 100     const DWORD *end;
 101     const struct wined3d_shader_signature *output_signature;
 102 };
 103
 104 struct wined3d_sm4_opcode_info
 105 {
 106     enum wined3d_sm4_opcode opcode;
 107     enum WINED3D_SHADER_INSTRUCTION_HANDLER handler_idx;
 108     UINT dst_count;
 109     UINT src_count;
 110 };
 111
 112 struct sysval_map
 113 {
 114     enum wined3d_sysval_semantic sysval;
 115     WINED3DSHADER_PARAM_REGISTER_TYPE register_type;
 116     UINT register_idx;
 117 };
 118
 119 static const struct wined3d_sm4_opcode_info opcode_table[] =
 120 {
 121     {WINED3D_SM4_OP_ADD,    WINED3DSIH_ADD,         1,  2},
 122     {WINED3D_SM4_OP_AND,    WINED3DSIH_AND,         1,  2},
 123     {WINED3D_SM4_OP_BREAK,  WINED3DSIH_BREAK,       0,  0},
 124     {WINED3D_SM4_OP_BREAKC, WINED3DSIH_BREAKP,      0,  1},
 125     {WINED3D_SM4_OP_CUT,    WINED3DSIH_CUT,         0,  0},
 126     {WINED3D_SM4_OP_DP3,    WINED3DSIH_DP3,         1,  2},
 127     {WINED3D_SM4_OP_DP4,    WINED3DSIH_DP4,         1,  2},
 128     {WINED3D_SM4_OP_EMIT,   WINED3DSIH_EMIT,        0,  0},
 129     {WINED3D_SM4_OP_ENDIF,  WINED3DSIH_ENDIF,       0,  0},
 130     {WINED3D_SM4_OP_ENDLOOP,WINED3DSIH_ENDLOOP,     0,  0},
 131     {WINED3D_SM4_OP_EXP,    WINED3DSIH_EXP,         1,  1},
 132     {WINED3D_SM4_OP_FRC,    WINED3DSIH_FRC,         1,  1},
 133     {WINED3D_SM4_OP_IADD,   WINED3DSIH_IADD,        1,  2},
 134     {WINED3D_SM4_OP_IF,     WINED3DSIH_IF,          0,  1},
 135     {WINED3D_SM4_OP_IGE,    WINED3DSIH_IGE,         1,  2},
 136     {WINED3D_SM4_OP_IMUL,   WINED3DSIH_IMUL,        2,  2},
 137     {WINED3D_SM4_OP_LOG,    WINED3DSIH_LOG,         1,  1},
 138     {WINED3D_SM4_OP_LOOP,   WINED3DSIH_LOOP,        0,  0},
 139     {WINED3D_SM4_OP_LT,     WINED3DSIH_LT,          1,  2},
 140     {WINED3D_SM4_OP_MAD,    WINED3DSIH_MAD,         1,  3},
 141     {WINED3D_SM4_OP_MIN,    WINED3DSIH_MIN,         1,  2},
 142     {WINED3D_SM4_OP_MAX,    WINED3DSIH_MAX,         1,  2},
 143     {WINED3D_SM4_OP_MOV,    WINED3DSIH_MOV,         1,  1},
 144     {WINED3D_SM4_OP_MOVC,   WINED3DSIH_MOVC,        1,  3},
 145     {WINED3D_SM4_OP_MUL,    WINED3DSIH_MUL,         1,  2},
 146     {WINED3D_SM4_OP_RET,    WINED3DSIH_RET,         0,  0},
 147     {WINED3D_SM4_OP_RSQ,    WINED3DSIH_RSQ,         1,  1},
 148     {WINED3D_SM4_OP_SINCOS, WINED3DSIH_SINCOS,      2,  1},
 149 };
 150
 151 static const WINED3DSHADER_PARAM_REGISTER_TYPE register_type_table[] =
 152 {
 153     /* WINED3D_SM4_RT_TEMP */           WINED3DSPR_TEMP,
 154     /* WINED3D_SM4_RT_INPUT */          WINED3DSPR_INPUT,
 155     /* WINED3D_SM4_RT_OUTPUT */         WINED3DSPR_OUTPUT,
 156     /* UNKNOWN */                       0,
 157     /* WINED3D_SM4_RT_IMMCONST */       WINED3DSPR_IMMCONST,
 158     /* UNKNOWN */                       0,
 159     /* UNKNOWN */                       0,
 160     /* UNKNOWN */                       0,
 161     /* WINED3D_SM4_RT_CONSTBUFFER */    WINED3DSPR_CONSTBUFFER,
 162     /* UNKNOWN */                       0,
 163     /* UNKNOWN */                       0,
 164     /* UNKNOWN */                       0,
 165     /* UNKNOWN */                       0,
 166     /* WINED3D_SM4_RT_NULL */           WINED3DSPR_NULL,
 167 };
 168
 169 static const struct sysval_map sysval_map[] =
 170 {
 171     {WINED3D_SV_DEPTH,      WINED3DSPR_DEPTHOUT,    0},
 172     {WINED3D_SV_TARGET0,    WINED3DSPR_COLOROUT,    0},
 173     {WINED3D_SV_TARGET1,    WINED3DSPR_COLOROUT,    1},
 174     {WINED3D_SV_TARGET2,    WINED3DSPR_COLOROUT,    2},
 175     {WINED3D_SV_TARGET3,    WINED3DSPR_COLOROUT,    3},
 176     {WINED3D_SV_TARGET4,    WINED3DSPR_COLOROUT,    4},
 177     {WINED3D_SV_TARGET5,    WINED3DSPR_COLOROUT,    5},
 178     {WINED3D_SV_TARGET6,    WINED3DSPR_COLOROUT,    6},
 179     {WINED3D_SV_TARGET7,    WINED3DSPR_COLOROUT,    7},
 180 };
 181
 182 static const struct wined3d_sm4_opcode_info *get_opcode_info(enum wined3d_sm4_opcode opcode)
 183 {
 184     unsigned int i;
 185
 186     for (i = 0; i < sizeof(opcode_table) / sizeof(*opcode_table); ++i)
 187     {
 188         if (opcode == opcode_table[i].opcode) return &opcode_table[i];
 189     }
 190
 191     return NULL;
 192 }
 193
 194 static void map_sysval(enum wined3d_sysval_semantic sysval, struct wined3d_shader_register *reg)
 195 {
 196     unsigned int i;
 197
 198     for (i = 0; i < sizeof(sysval_map) / sizeof(*sysval_map); ++i)
 199     {
 200         if (sysval == sysval_map[i].sysval)
 201         {
 202             reg->type = sysval_map[i].register_type;
 203             reg->idx = sysval_map[i].register_idx;
 204         }
 205     }
 206 }
 207
 208 static void map_register(struct wined3d_sm4_data *priv, struct wined3d_shader_register *reg)
 209 {
 210     switch (priv->shader_version.type)
 211     {
 212         case WINED3D_SHADER_TYPE_PIXEL:
 213             if (reg->type == WINED3DSPR_OUTPUT)
 214             {
 215                 unsigned int i;
 216                 const struct wined3d_shader_signature *s = priv->output_signature;
 217
 218                 if (!s)
 219                 {
 220                     ERR("Shader has no output signature, unable to map register.\n");
 221                     break;
 222                 }
 223
 224                 for (i = 0; i < s->element_count; ++i)
 225                 {
 226                     if (s->elements[i].register_idx == reg->idx)
 227                     {
 228                         map_sysval(s->elements[i].sysval_semantic, reg);
 229                         break;
 230                     }
 231                 }
 232             }
 233             break;
 234
 235         default:
 236             break;
 237     }
 238 }
 239
 240 static void *shader_sm4_init(const DWORD *byte_code, const struct wined3d_shader_signature *output_signature)
 241 {
 242     struct wined3d_sm4_data *priv = HeapAlloc(GetProcessHeap(), 0, sizeof(*priv));
 243     if (!priv)
 244     {
 245         ERR("Failed to allocate private data\n");
 246         return NULL;
 247     }
 248
 249     priv->output_signature = output_signature;
 250
 251     return priv;
 252 }
 253
 254 static void shader_sm4_free(void *data)
 255 {
 256     HeapFree(GetProcessHeap(), 0, data);
 257 }
 258
 259 static void shader_sm4_read_header(void *data, const DWORD **ptr, struct wined3d_shader_version *shader_version)
 260 {
 261     struct wined3d_sm4_data *priv = data;
 262     DWORD version_token;
 263
 264     priv->end = *ptr;
 265
 266     version_token = *(*ptr)++;
 267     TRACE("version: 0x%08x\n", version_token);
 268
 269     TRACE("token count: %u\n", **ptr);
 270     priv->end += *(*ptr)++;
 271
 272     switch (version_token >> 16)
 273     {
 274         case WINED3D_SM4_PS:
 275             priv->shader_version.type = WINED3D_SHADER_TYPE_PIXEL;
 276             break;
 277
 278         case WINED3D_SM4_VS:
 279             priv->shader_version.type = WINED3D_SHADER_TYPE_VERTEX;
 280             break;
 281
 282         case WINED3D_SM4_GS:
 283             priv->shader_version.type = WINED3D_SHADER_TYPE_GEOMETRY;
 284             break;
 285
 286         default:
 287             FIXME("Unrecognized shader type %#x\n", version_token >> 16);
 288     }
 289     priv->shader_version.major = WINED3D_SM4_VERSION_MAJOR(version_token);
 290     priv->shader_version.minor = WINED3D_SM4_VERSION_MINOR(version_token);
 291
 292     *shader_version = priv->shader_version;
 293 }
 294
 295 static void shader_sm4_read_opcode(void *data, const DWORD **ptr, struct wined3d_shader_instruction *ins,
 296         UINT *param_size)
 297 {
 298     const struct wined3d_sm4_opcode_info *opcode_info;
 299     DWORD token = *(*ptr)++;
 300     DWORD opcode = token & WINED3D_SM4_OPCODE_MASK;
 301
 302     *param_size = ((token & WINED3D_SM4_INSTRUCTION_LENGTH_MASK) >> WINED3D_SM4_INSTRUCTION_LENGTH_SHIFT) - 1;
 303
 304     opcode_info = get_opcode_info(opcode);
 305     if (!opcode_info)
 306     {
 307         FIXME("Unrecognized opcode %#x, token 0x%08x\n", opcode, token);
 308         ins->handler_idx = WINED3DSIH_TABLE_SIZE;
 309         return;
 310     }
 311
 312     ins->handler_idx = opcode_info->handler_idx;
 313     ins->flags = 0;
 314     ins->coissue = 0;
 315     ins->predicate = 0;
 316     ins->dst_count = opcode_info->dst_count;
 317     ins->src_count = opcode_info->src_count;
 318 }
 319
 320 static void shader_sm4_read_src_param(void *data, const DWORD **ptr, struct wined3d_shader_src_param *src_param,
 321         struct wined3d_shader_src_param *src_rel_addr)
 322 {
 323     struct wined3d_sm4_data *priv = data;
 324     DWORD token = *(*ptr)++;
 325     enum wined3d_sm4_register_type register_type;
 326     DWORD order;
 327
 328     register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
 329     if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
 330     {
 331         FIXME("Unhandled register type %#x\n", register_type);
 332         src_param->reg.type = WINED3DSPR_TEMP;
 333     }
 334     else
 335     {
 336         src_param->reg.type = register_type_table[register_type];
 337     }
 338
 339     order = (token & WINED3D_SM4_REGISTER_ORDER_MASK) >> WINED3D_SM4_REGISTER_ORDER_SHIFT;
 340
 341     if (order < 1) src_param->reg.idx = ~0U;
 342     else src_param->reg.idx = *(*ptr)++;
 343
 344     if (order < 2) src_param->reg.array_idx = ~0U;
 345     else src_param->reg.array_idx = *(*ptr)++;
 346
 347     if (order > 2) FIXME("Unhandled order %u.\n", order);
 348
 349     if (register_type == WINED3D_SM4_RT_IMMCONST)
 350     {
 351         enum wined3d_sm4_immconst_type immconst_type =
 352                 (token & WINED3D_SM4_IMMCONST_TYPE_MASK) >> WINED3D_SM4_IMMCONST_TYPE_SHIFT;
 353         src_param->swizzle = WINED3DSP_NOSWIZZLE;
 354
 355         switch(immconst_type)
 356         {
 357             case WINED3D_SM4_IMMCONST_SCALAR:
 358                 src_param->reg.immconst_type = WINED3D_IMMCONST_SCALAR;
 359                 memcpy(src_param->reg.immconst_data, *ptr, 1 * sizeof(DWORD));
 360                 *ptr += 1;
 361                 break;
 362
 363             case WINED3D_SM4_IMMCONST_VEC4:
 364                 src_param->reg.immconst_type = WINED3D_IMMCONST_VEC4;
 365                 memcpy(src_param->reg.immconst_data, *ptr, 4 * sizeof(DWORD));
 366                 *ptr += 4;
 367                 break;
 368
 369             default:
 370                 FIXME("Unhandled immediate constant type %#x\n", immconst_type);
 371                 break;
 372         }
 373     }
 374     else
 375     {
 376         src_param->swizzle = (token & WINED3D_SM4_SWIZZLE_MASK) >> WINED3D_SM4_SWIZZLE_SHIFT;
 377     }
 378
 379     src_param->modifiers = 0;
 380     src_param->reg.rel_addr = NULL;
 381
 382     map_register(priv, &src_param->reg);
 383 }
 384
 385 static void shader_sm4_read_dst_param(void *data, const DWORD **ptr, struct wined3d_shader_dst_param *dst_param,
 386         struct wined3d_shader_src_param *dst_rel_addr)
 387 {
 388     struct wined3d_sm4_data *priv = data;
 389     DWORD token = *(*ptr)++;
 390     enum wined3d_sm4_register_type register_type;
 391     DWORD order;
 392
 393     register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
 394     if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
 395     {
 396         FIXME("Unhandled register type %#x\n", register_type);
 397         dst_param->reg.type = WINED3DSPR_TEMP;
 398     }
 399     else
 400     {
 401         dst_param->reg.type = register_type_table[register_type];
 402     }
 403
 404     order = (token & WINED3D_SM4_REGISTER_ORDER_MASK) >> WINED3D_SM4_REGISTER_ORDER_SHIFT;
 405
 406     if (order < 1) dst_param->reg.idx = ~0U;
 407     else dst_param->reg.idx = *(*ptr)++;
 408
 409     if (order < 2) dst_param->reg.array_idx = ~0U;
 410     else dst_param->reg.array_idx = *(*ptr)++;
 411
 412     if (order > 2) FIXME("Unhandled order %u.\n", order);
 413
 414     dst_param->write_mask = (token & WINED3D_SM4_WRITEMASK_MASK) >> WINED3D_SM4_WRITEMASK_SHIFT;
 415     dst_param->modifiers = 0;
 416     dst_param->shift = 0;
 417     dst_param->reg.rel_addr = NULL;
 418
 419     map_register(priv, &dst_param->reg);
 420 }
 421
 422 static void shader_sm4_read_semantic(const DWORD **ptr, struct wined3d_shader_semantic *semantic)
 423 {
 424     FIXME("ptr %p, semantic %p stub!\n", ptr, semantic);
 425 }
 426
 427 static void shader_sm4_read_comment(const DWORD **ptr, const char **comment, UINT *comment_size)
 428 {
 429     FIXME("ptr %p, comment %p, comment_size %p stub!\n", ptr, comment, comment_size);
 430     *comment = NULL;
 431 }
 432
 433 static BOOL shader_sm4_is_end(void *data, const DWORD **ptr)
 434 {
 435     struct wined3d_sm4_data *priv = data;
 436     return *ptr == priv->end;
 437 }
 438
 439 const struct wined3d_shader_frontend sm4_shader_frontend =
 440 {
 441     shader_sm4_init,
 442     shader_sm4_free,
 443     shader_sm4_read_header,
 444     shader_sm4_read_opcode,
 445     shader_sm4_read_src_param,
 446     shader_sm4_read_dst_param,
 447     shader_sm4_read_semantic,
 448     shader_sm4_read_comment,
 449     shader_sm4_is_end,
 450 };