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_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_MODIFIER           (1 << 31)
  32
  33 #define WINED3D_SM4_REGISTER_ORDER_SHIFT        20
  34 #define WINED3D_SM4_REGISTER_ORDER_MASK         (0x3 << WINED3D_SM4_REGISTER_ORDER_SHIFT)
  35
  36 #define WINED3D_SM4_REGISTER_TYPE_SHIFT         12
  37 #define WINED3D_SM4_REGISTER_TYPE_MASK          (0xf << WINED3D_SM4_REGISTER_TYPE_SHIFT)
  38
  39 #define WINED3D_SM4_IMMCONST_TYPE_SHIFT         0
  40 #define WINED3D_SM4_IMMCONST_TYPE_MASK          (0x3 << WINED3D_SM4_IMMCONST_TYPE_SHIFT)
  41
  42 #define WINED3D_SM4_WRITEMASK_SHIFT             4
  43 #define WINED3D_SM4_WRITEMASK_MASK              (0xf << WINED3D_SM4_WRITEMASK_SHIFT)
  44
  45 #define WINED3D_SM4_SWIZZLE_SHIFT               4
  46 #define WINED3D_SM4_SWIZZLE_MASK                (0xff << WINED3D_SM4_SWIZZLE_SHIFT)
  47
  48 #define WINED3D_SM4_VERSION_MAJOR(version)      (((version) >> 4) & 0xf)
  49 #define WINED3D_SM4_VERSION_MINOR(version)      (((version) >> 0) & 0xf)
  50
  51 enum wined3d_sm4_opcode
  52 {
  53     WINED3D_SM4_OP_ADD          = 0x00,
  54     WINED3D_SM4_OP_AND          = 0x01,
  55     WINED3D_SM4_OP_BREAK        = 0x02,
  56     WINED3D_SM4_OP_BREAKC       = 0x03,
  57     WINED3D_SM4_OP_CUT          = 0x09,
  58     WINED3D_SM4_OP_DP3          = 0x10,
  59     WINED3D_SM4_OP_DP4          = 0x11,
  60     WINED3D_SM4_OP_EMIT         = 0x13,
  61     WINED3D_SM4_OP_ENDIF        = 0x15,
  62     WINED3D_SM4_OP_ENDLOOP      = 0x16,
  63     WINED3D_SM4_OP_EXP          = 0x19,
  64     WINED3D_SM4_OP_FRC          = 0x1a,
  65     WINED3D_SM4_OP_IADD         = 0x1e,
  66     WINED3D_SM4_OP_IF           = 0x1f,
  67     WINED3D_SM4_OP_IGE          = 0x21,
  68     WINED3D_SM4_OP_IMUL         = 0x26,
  69     WINED3D_SM4_OP_ITOF         = 0x2b,
  70     WINED3D_SM4_OP_LOG          = 0x2f,
  71     WINED3D_SM4_OP_LOOP         = 0x30,
  72     WINED3D_SM4_OP_LT           = 0x31,
  73     WINED3D_SM4_OP_MAD          = 0x32,
  74     WINED3D_SM4_OP_MIN          = 0x33,
  75     WINED3D_SM4_OP_MAX          = 0x34,
  76     WINED3D_SM4_OP_MOV          = 0x36,
  77     WINED3D_SM4_OP_MOVC         = 0x37,
  78     WINED3D_SM4_OP_MUL          = 0x38,
  79     WINED3D_SM4_OP_RET          = 0x3e,
  80     WINED3D_SM4_OP_RSQ          = 0x44,
  81     WINED3D_SM4_OP_SAMPLE       = 0x45,
  82     WINED3D_SM4_OP_SAMPLE_LOD   = 0x48,
  83     WINED3D_SM4_OP_SINCOS       = 0x4d,
  84     WINED3D_SM4_OP_UTOF         = 0x56,
  85 };
  86
  87 enum wined3d_sm4_register_type
  88 {
  89     WINED3D_SM4_RT_TEMP         = 0x0,
  90     WINED3D_SM4_RT_INPUT        = 0x1,
  91     WINED3D_SM4_RT_OUTPUT       = 0x2,
  92     WINED3D_SM4_RT_IMMCONST     = 0x4,
  93     WINED3D_SM4_RT_SAMPLER      = 0x6,
  94     WINED3D_SM4_RT_CONSTBUFFER  = 0x8,
  95     WINED3D_SM4_RT_NULL         = 0xd,
  96 };
  97
  98 enum wined3d_sm4_immconst_type
  99 {
 100     WINED3D_SM4_IMMCONST_SCALAR = 0x1,
 101     WINED3D_SM4_IMMCONST_VEC4   = 0x2,
 102 };
 103
 104 struct wined3d_sm4_data
 105 {
 106     struct wined3d_shader_version shader_version;
 107     const DWORD *end;
 108     const struct wined3d_shader_signature *output_signature;
 109 };
 110
 111 struct wined3d_sm4_opcode_info
 112 {
 113     enum wined3d_sm4_opcode opcode;
 114     enum WINED3D_SHADER_INSTRUCTION_HANDLER handler_idx;
 115     UINT dst_count;
 116     UINT src_count;
 117 };
 118
 119 struct sysval_map
 120 {
 121     enum wined3d_sysval_semantic sysval;
 122     WINED3DSHADER_PARAM_REGISTER_TYPE register_type;
 123     UINT register_idx;
 124 };
 125
 126 static const struct wined3d_sm4_opcode_info opcode_table[] =
 127 {
 128     {WINED3D_SM4_OP_ADD,        WINED3DSIH_ADD,         1,  2},
 129     {WINED3D_SM4_OP_AND,        WINED3DSIH_AND,         1,  2},
 130     {WINED3D_SM4_OP_BREAK,      WINED3DSIH_BREAK,       0,  0},
 131     {WINED3D_SM4_OP_BREAKC,     WINED3DSIH_BREAKP,      0,  1},
 132     {WINED3D_SM4_OP_CUT,        WINED3DSIH_CUT,         0,  0},
 133     {WINED3D_SM4_OP_DP3,        WINED3DSIH_DP3,         1,  2},
 134     {WINED3D_SM4_OP_DP4,        WINED3DSIH_DP4,         1,  2},
 135     {WINED3D_SM4_OP_EMIT,       WINED3DSIH_EMIT,        0,  0},
 136     {WINED3D_SM4_OP_ENDIF,      WINED3DSIH_ENDIF,       0,  0},
 137     {WINED3D_SM4_OP_ENDLOOP,    WINED3DSIH_ENDLOOP,     0,  0},
 138     {WINED3D_SM4_OP_EXP,        WINED3DSIH_EXP,         1,  1},
 139     {WINED3D_SM4_OP_FRC,        WINED3DSIH_FRC,         1,  1},
 140     {WINED3D_SM4_OP_IADD,       WINED3DSIH_IADD,        1,  2},
 141     {WINED3D_SM4_OP_IF,         WINED3DSIH_IF,          0,  1},
 142     {WINED3D_SM4_OP_IGE,        WINED3DSIH_IGE,         1,  2},
 143     {WINED3D_SM4_OP_IMUL,       WINED3DSIH_IMUL,        2,  2},
 144     {WINED3D_SM4_OP_ITOF,       WINED3DSIH_ITOF,        1,  1},
 145     {WINED3D_SM4_OP_LOG,        WINED3DSIH_LOG,         1,  1},
 146     {WINED3D_SM4_OP_LOOP,       WINED3DSIH_LOOP,        0,  0},
 147     {WINED3D_SM4_OP_LT,         WINED3DSIH_LT,          1,  2},
 148     {WINED3D_SM4_OP_MAD,        WINED3DSIH_MAD,         1,  3},
 149     {WINED3D_SM4_OP_MIN,        WINED3DSIH_MIN,         1,  2},
 150     {WINED3D_SM4_OP_MAX,        WINED3DSIH_MAX,         1,  2},
 151     {WINED3D_SM4_OP_MOV,        WINED3DSIH_MOV,         1,  1},
 152     {WINED3D_SM4_OP_MOVC,       WINED3DSIH_MOVC,        1,  3},
 153     {WINED3D_SM4_OP_MUL,        WINED3DSIH_MUL,         1,  2},
 154     {WINED3D_SM4_OP_RET,        WINED3DSIH_RET,         0,  0},
 155     {WINED3D_SM4_OP_RSQ,        WINED3DSIH_RSQ,         1,  1},
 156     {WINED3D_SM4_OP_SAMPLE,     WINED3DSIH_SAMPLE,      1,  3},
 157     {WINED3D_SM4_OP_SAMPLE_LOD, WINED3DSIH_SAMPLE_LOD,  1,  4},
 158     {WINED3D_SM4_OP_SINCOS,     WINED3DSIH_SINCOS,      2,  1},
 159     {WINED3D_SM4_OP_UTOF,       WINED3DSIH_UTOF,        1,  1},
 160 };
 161
 162 static const WINED3DSHADER_PARAM_REGISTER_TYPE register_type_table[] =
 163 {
 164     /* WINED3D_SM4_RT_TEMP */           WINED3DSPR_TEMP,
 165     /* WINED3D_SM4_RT_INPUT */          WINED3DSPR_INPUT,
 166     /* WINED3D_SM4_RT_OUTPUT */         WINED3DSPR_OUTPUT,
 167     /* UNKNOWN */                       0,
 168     /* WINED3D_SM4_RT_IMMCONST */       WINED3DSPR_IMMCONST,
 169     /* UNKNOWN */                       0,
 170     /* WINED3D_SM4_RT_SAMPLER */        WINED3DSPR_SAMPLER,
 171     /* WINED3D_SM4_RT_RESOURCE */       WINED3DSPR_RESOURCE,
 172     /* WINED3D_SM4_RT_CONSTBUFFER */    WINED3DSPR_CONSTBUFFER,
 173     /* UNKNOWN */                       0,
 174     /* UNKNOWN */                       0,
 175     /* UNKNOWN */                       0,
 176     /* UNKNOWN */                       0,
 177     /* WINED3D_SM4_RT_NULL */           WINED3DSPR_NULL,
 178 };
 179
 180 static const struct sysval_map sysval_map[] =
 181 {
 182     {WINED3D_SV_DEPTH,      WINED3DSPR_DEPTHOUT,    0},
 183     {WINED3D_SV_TARGET0,    WINED3DSPR_COLOROUT,    0},
 184     {WINED3D_SV_TARGET1,    WINED3DSPR_COLOROUT,    1},
 185     {WINED3D_SV_TARGET2,    WINED3DSPR_COLOROUT,    2},
 186     {WINED3D_SV_TARGET3,    WINED3DSPR_COLOROUT,    3},
 187     {WINED3D_SV_TARGET4,    WINED3DSPR_COLOROUT,    4},
 188     {WINED3D_SV_TARGET5,    WINED3DSPR_COLOROUT,    5},
 189     {WINED3D_SV_TARGET6,    WINED3DSPR_COLOROUT,    6},
 190     {WINED3D_SV_TARGET7,    WINED3DSPR_COLOROUT,    7},
 191 };
 192
 193 static const struct wined3d_sm4_opcode_info *get_opcode_info(enum wined3d_sm4_opcode opcode)
 194 {
 195     unsigned int i;
 196
 197     for (i = 0; i < sizeof(opcode_table) / sizeof(*opcode_table); ++i)
 198     {
 199         if (opcode == opcode_table[i].opcode) return &opcode_table[i];
 200     }
 201
 202     return NULL;
 203 }
 204
 205 static void map_sysval(enum wined3d_sysval_semantic sysval, struct wined3d_shader_register *reg)
 206 {
 207     unsigned int i;
 208
 209     for (i = 0; i < sizeof(sysval_map) / sizeof(*sysval_map); ++i)
 210     {
 211         if (sysval == sysval_map[i].sysval)
 212         {
 213             reg->type = sysval_map[i].register_type;
 214             reg->idx = sysval_map[i].register_idx;
 215         }
 216     }
 217 }
 218
 219 static void map_register(struct wined3d_sm4_data *priv, struct wined3d_shader_register *reg)
 220 {
 221     switch (priv->shader_version.type)
 222     {
 223         case WINED3D_SHADER_TYPE_PIXEL:
 224             if (reg->type == WINED3DSPR_OUTPUT)
 225             {
 226                 unsigned int i;
 227                 const struct wined3d_shader_signature *s = priv->output_signature;
 228
 229                 if (!s)
 230                 {
 231                     ERR("Shader has no output signature, unable to map register.\n");
 232                     break;
 233                 }
 234
 235                 for (i = 0; i < s->element_count; ++i)
 236                 {
 237                     if (s->elements[i].register_idx == reg->idx)
 238                     {
 239                         map_sysval(s->elements[i].sysval_semantic, reg);
 240                         break;
 241                     }
 242                 }
 243             }
 244             break;
 245
 246         default:
 247             break;
 248     }
 249 }
 250
 251 static void *shader_sm4_init(const DWORD *byte_code, const struct wined3d_shader_signature *output_signature)
 252 {
 253     struct wined3d_sm4_data *priv = HeapAlloc(GetProcessHeap(), 0, sizeof(*priv));
 254     if (!priv)
 255     {
 256         ERR("Failed to allocate private data\n");
 257         return NULL;
 258     }
 259
 260     priv->output_signature = output_signature;
 261
 262     return priv;
 263 }
 264
 265 static void shader_sm4_free(void *data)
 266 {
 267     HeapFree(GetProcessHeap(), 0, data);
 268 }
 269
 270 static void shader_sm4_read_header(void *data, const DWORD **ptr, struct wined3d_shader_version *shader_version)
 271 {
 272     struct wined3d_sm4_data *priv = data;
 273     DWORD version_token;
 274
 275     priv->end = *ptr;
 276
 277     version_token = *(*ptr)++;
 278     TRACE("version: 0x%08x\n", version_token);
 279
 280     TRACE("token count: %u\n", **ptr);
 281     priv->end += *(*ptr)++;
 282
 283     switch (version_token >> 16)
 284     {
 285         case WINED3D_SM4_PS:
 286             priv->shader_version.type = WINED3D_SHADER_TYPE_PIXEL;
 287             break;
 288
 289         case WINED3D_SM4_VS:
 290             priv->shader_version.type = WINED3D_SHADER_TYPE_VERTEX;
 291             break;
 292
 293         case WINED3D_SM4_GS:
 294             priv->shader_version.type = WINED3D_SHADER_TYPE_GEOMETRY;
 295             break;
 296
 297         default:
 298             FIXME("Unrecognized shader type %#x\n", version_token >> 16);
 299     }
 300     priv->shader_version.major = WINED3D_SM4_VERSION_MAJOR(version_token);
 301     priv->shader_version.minor = WINED3D_SM4_VERSION_MINOR(version_token);
 302
 303     *shader_version = priv->shader_version;
 304 }
 305
 306 static void shader_sm4_read_opcode(void *data, const DWORD **ptr, struct wined3d_shader_instruction *ins,
 307         UINT *param_size)
 308 {
 309     const struct wined3d_sm4_opcode_info *opcode_info;
 310     DWORD token = *(*ptr)++;
 311     DWORD opcode = token & WINED3D_SM4_OPCODE_MASK;
 312
 313     *param_size = ((token & WINED3D_SM4_INSTRUCTION_LENGTH_MASK) >> WINED3D_SM4_INSTRUCTION_LENGTH_SHIFT) - 1;
 314
 315     opcode_info = get_opcode_info(opcode);
 316     if (!opcode_info)
 317     {
 318         FIXME("Unrecognized opcode %#x, token 0x%08x\n", opcode, token);
 319         ins->handler_idx = WINED3DSIH_TABLE_SIZE;
 320         return;
 321     }
 322
 323     ins->handler_idx = opcode_info->handler_idx;
 324     ins->flags = 0;
 325     ins->coissue = 0;
 326     ins->predicate = 0;
 327     ins->dst_count = opcode_info->dst_count;
 328     ins->src_count = opcode_info->src_count;
 329 }
 330
 331 static void shader_sm4_read_src_param(void *data, const DWORD **ptr, struct wined3d_shader_src_param *src_param,
 332         struct wined3d_shader_src_param *src_rel_addr)
 333 {
 334     struct wined3d_sm4_data *priv = data;
 335     DWORD token = *(*ptr)++;
 336     enum wined3d_sm4_register_type register_type;
 337     DWORD order;
 338
 339     register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
 340     if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
 341     {
 342         FIXME("Unhandled register type %#x\n", register_type);
 343         src_param->reg.type = WINED3DSPR_TEMP;
 344     }
 345     else
 346     {
 347         src_param->reg.type = register_type_table[register_type];
 348     }
 349
 350     if (token & WINED3D_SM4_REGISTER_MODIFIER)
 351     {
 352         DWORD modifier = *(*ptr)++;
 353         FIXME("Skipping modifier 0x%08x.\n", modifier);
 354     }
 355
 356     order = (token & WINED3D_SM4_REGISTER_ORDER_MASK) >> WINED3D_SM4_REGISTER_ORDER_SHIFT;
 357
 358     if (order < 1) src_param->reg.idx = ~0U;
 359     else src_param->reg.idx = *(*ptr)++;
 360
 361     if (order < 2) src_param->reg.array_idx = ~0U;
 362     else src_param->reg.array_idx = *(*ptr)++;
 363
 364     if (order > 2) FIXME("Unhandled order %u.\n", order);
 365
 366     if (register_type == WINED3D_SM4_RT_IMMCONST)
 367     {
 368         enum wined3d_sm4_immconst_type immconst_type =
 369                 (token & WINED3D_SM4_IMMCONST_TYPE_MASK) >> WINED3D_SM4_IMMCONST_TYPE_SHIFT;
 370         src_param->swizzle = WINED3DSP_NOSWIZZLE;
 371
 372         switch(immconst_type)
 373         {
 374             case WINED3D_SM4_IMMCONST_SCALAR:
 375                 src_param->reg.immconst_type = WINED3D_IMMCONST_SCALAR;
 376                 memcpy(src_param->reg.immconst_data, *ptr, 1 * sizeof(DWORD));
 377                 *ptr += 1;
 378                 break;
 379
 380             case WINED3D_SM4_IMMCONST_VEC4:
 381                 src_param->reg.immconst_type = WINED3D_IMMCONST_VEC4;
 382                 memcpy(src_param->reg.immconst_data, *ptr, 4 * sizeof(DWORD));
 383                 *ptr += 4;
 384                 break;
 385
 386             default:
 387                 FIXME("Unhandled immediate constant type %#x\n", immconst_type);
 388                 break;
 389         }
 390     }
 391     else
 392     {
 393         src_param->swizzle = (token & WINED3D_SM4_SWIZZLE_MASK) >> WINED3D_SM4_SWIZZLE_SHIFT;
 394     }
 395
 396     src_param->modifiers = 0;
 397     src_param->reg.rel_addr = NULL;
 398
 399     map_register(priv, &src_param->reg);
 400 }
 401
 402 static void shader_sm4_read_dst_param(void *data, const DWORD **ptr, struct wined3d_shader_dst_param *dst_param,
 403         struct wined3d_shader_src_param *dst_rel_addr)
 404 {
 405     struct wined3d_sm4_data *priv = data;
 406     DWORD token = *(*ptr)++;
 407     enum wined3d_sm4_register_type register_type;
 408     DWORD order;
 409
 410     register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
 411     if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
 412     {
 413         FIXME("Unhandled register type %#x\n", register_type);
 414         dst_param->reg.type = WINED3DSPR_TEMP;
 415     }
 416     else
 417     {
 418         dst_param->reg.type = register_type_table[register_type];
 419     }
 420
 421     order = (token & WINED3D_SM4_REGISTER_ORDER_MASK) >> WINED3D_SM4_REGISTER_ORDER_SHIFT;
 422
 423     if (order < 1) dst_param->reg.idx = ~0U;
 424     else dst_param->reg.idx = *(*ptr)++;
 425
 426     if (order < 2) dst_param->reg.array_idx = ~0U;
 427     else dst_param->reg.array_idx = *(*ptr)++;
 428
 429     if (order > 2) FIXME("Unhandled order %u.\n", order);
 430
 431     dst_param->write_mask = (token & WINED3D_SM4_WRITEMASK_MASK) >> WINED3D_SM4_WRITEMASK_SHIFT;
 432     dst_param->modifiers = 0;
 433     dst_param->shift = 0;
 434     dst_param->reg.rel_addr = NULL;
 435
 436     map_register(priv, &dst_param->reg);
 437 }
 438
 439 static void shader_sm4_read_semantic(const DWORD **ptr, struct wined3d_shader_semantic *semantic)
 440 {
 441     FIXME("ptr %p, semantic %p stub!\n", ptr, semantic);
 442 }
 443
 444 static void shader_sm4_read_comment(const DWORD **ptr, const char **comment, UINT *comment_size)
 445 {
 446     FIXME("ptr %p, comment %p, comment_size %p stub!\n", ptr, comment, comment_size);
 447     *comment = NULL;
 448 }
 449
 450 static BOOL shader_sm4_is_end(void *data, const DWORD **ptr)
 451 {
 452     struct wined3d_sm4_data *priv = data;
 453     return *ptr == priv->end;
 454 }
 455
 456 const struct wined3d_shader_frontend sm4_shader_frontend =
 457 {
 458     shader_sm4_init,
 459     shader_sm4_free,
 460     shader_sm4_read_header,
 461     shader_sm4_read_opcode,
 462     shader_sm4_read_src_param,
 463     shader_sm4_read_dst_param,
 464     shader_sm4_read_semantic,
 465     shader_sm4_read_comment,
 466     shader_sm4_is_end,
 467 };