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_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_LOG      = 0x2f,
  67     WINED3D_SM4_OP_LOOP     = 0x30,
  68     WINED3D_SM4_OP_LT       = 0x31,
  69     WINED3D_SM4_OP_MAD      = 0x32,
  70     WINED3D_SM4_OP_MIN      = 0x33,
  71     WINED3D_SM4_OP_MAX      = 0x34,
  72     WINED3D_SM4_OP_MOV      = 0x36,
  73     WINED3D_SM4_OP_MOVC     = 0x37,
  74     WINED3D_SM4_OP_MUL      = 0x38,
  75     WINED3D_SM4_OP_RET      = 0x3e,
  76     WINED3D_SM4_OP_RSQ      = 0x44,
  77     WINED3D_SM4_OP_SINCOS   = 0x4d,
  78 };
  79
  80 enum wined3d_sm4_register_type
  81 {
  82     WINED3D_SM4_RT_TEMP         = 0x0,
  83     WINED3D_SM4_RT_INPUT        = 0x1,
  84     WINED3D_SM4_RT_OUTPUT       = 0x2,
  85     WINED3D_SM4_RT_IMMCONST     = 0x4,
  86     WINED3D_SM4_RT_CONSTBUFFER  = 0x8,
  87     WINED3D_SM4_RT_NULL         = 0xd,
  88 };
  89
  90 enum wined3d_sm4_immconst_type
  91 {
  92     WINED3D_SM4_IMMCONST_FLOAT  = 0x1,
  93     WINED3D_SM4_IMMCONST_FLOAT4 = 0x2,
  94 };
  95
  96 struct wined3d_sm4_data
  97 {
  98     struct wined3d_shader_version shader_version;
  99     const DWORD *end;
 100     const struct wined3d_shader_signature *output_signature;
 101 };
 102
 103 struct wined3d_sm4_opcode_info
 104 {
 105     enum wined3d_sm4_opcode opcode;
 106     enum WINED3D_SHADER_INSTRUCTION_HANDLER handler_idx;
 107     UINT dst_count;
 108     UINT src_count;
 109 };
 110
 111 struct sysval_map
 112 {
 113     enum wined3d_sysval_semantic sysval;
 114     WINED3DSHADER_PARAM_REGISTER_TYPE register_type;
 115     UINT register_idx;
 116 };
 117
 118 static const struct wined3d_sm4_opcode_info opcode_table[] =
 119 {
 120     {WINED3D_SM4_OP_ADD,    WINED3DSIH_ADD,         1,  2},
 121     {WINED3D_SM4_OP_AND,    WINED3DSIH_AND,         1,  2},
 122     {WINED3D_SM4_OP_BREAK,  WINED3DSIH_BREAK,       0,  0},
 123     {WINED3D_SM4_OP_BREAKC, WINED3DSIH_BREAKP,      0,  1},
 124     {WINED3D_SM4_OP_CUT,    WINED3DSIH_CUT,         0,  0},
 125     {WINED3D_SM4_OP_DP3,    WINED3DSIH_DP3,         1,  2},
 126     {WINED3D_SM4_OP_DP4,    WINED3DSIH_DP4,         1,  2},
 127     {WINED3D_SM4_OP_EMIT,   WINED3DSIH_EMIT,        0,  0},
 128     {WINED3D_SM4_OP_ENDIF,  WINED3DSIH_ENDIF,       0,  0},
 129     {WINED3D_SM4_OP_ENDLOOP,WINED3DSIH_ENDLOOP,     0,  0},
 130     {WINED3D_SM4_OP_EXP,    WINED3DSIH_EXP,         1,  1},
 131     {WINED3D_SM4_OP_FRC,    WINED3DSIH_FRC,         1,  1},
 132     {WINED3D_SM4_OP_IADD,   WINED3DSIH_IADD,        1,  2},
 133     {WINED3D_SM4_OP_IF,     WINED3DSIH_IF,          0,  1},
 134     {WINED3D_SM4_OP_IGE,    WINED3DSIH_IGE,         1,  2},
 135     {WINED3D_SM4_OP_LOG,    WINED3DSIH_LOG,         1,  1},
 136     {WINED3D_SM4_OP_LOOP,   WINED3DSIH_LOOP,        0,  0},
 137     {WINED3D_SM4_OP_LT,     WINED3DSIH_LT,          1,  2},
 138     {WINED3D_SM4_OP_MAD,    WINED3DSIH_MAD,         1,  3},
 139     {WINED3D_SM4_OP_MIN,    WINED3DSIH_MIN,         1,  2},
 140     {WINED3D_SM4_OP_MAX,    WINED3DSIH_MAX,         1,  2},
 141     {WINED3D_SM4_OP_MOV,    WINED3DSIH_MOV,         1,  1},
 142     {WINED3D_SM4_OP_MOVC,   WINED3DSIH_MOVC,        1,  3},
 143     {WINED3D_SM4_OP_MUL,    WINED3DSIH_MUL,         1,  2},
 144     {WINED3D_SM4_OP_RET,    WINED3DSIH_RET,         0,  0},
 145     {WINED3D_SM4_OP_RSQ,    WINED3DSIH_RSQ,         1,  1},
 146     {WINED3D_SM4_OP_SINCOS, WINED3DSIH_SINCOS,      1,  2},
 147 };
 148
 149 static const WINED3DSHADER_PARAM_REGISTER_TYPE register_type_table[] =
 150 {
 151     /* WINED3D_SM4_RT_TEMP */           WINED3DSPR_TEMP,
 152     /* WINED3D_SM4_RT_INPUT */          WINED3DSPR_INPUT,
 153     /* WINED3D_SM4_RT_OUTPUT */         WINED3DSPR_OUTPUT,
 154     /* UNKNOWN */                       0,
 155     /* WINED3D_SM4_RT_IMMCONST */       WINED3DSPR_IMMCONST,
 156     /* UNKNOWN */                       0,
 157     /* UNKNOWN */                       0,
 158     /* UNKNOWN */                       0,
 159     /* WINED3D_SM4_RT_CONSTBUFFER */    WINED3DSPR_CONSTBUFFER,
 160     /* UNKNOWN */                       0,
 161     /* UNKNOWN */                       0,
 162     /* UNKNOWN */                       0,
 163     /* UNKNOWN */                       0,
 164     /* WINED3D_SM4_RT_NULL */           WINED3DSPR_NULL,
 165 };
 166
 167 static const struct sysval_map sysval_map[] =
 168 {
 169     {WINED3D_SV_DEPTH,      WINED3DSPR_DEPTHOUT,    0},
 170     {WINED3D_SV_TARGET0,    WINED3DSPR_COLOROUT,    0},
 171     {WINED3D_SV_TARGET1,    WINED3DSPR_COLOROUT,    1},
 172     {WINED3D_SV_TARGET2,    WINED3DSPR_COLOROUT,    2},
 173     {WINED3D_SV_TARGET3,    WINED3DSPR_COLOROUT,    3},
 174     {WINED3D_SV_TARGET4,    WINED3DSPR_COLOROUT,    4},
 175     {WINED3D_SV_TARGET5,    WINED3DSPR_COLOROUT,    5},
 176     {WINED3D_SV_TARGET6,    WINED3DSPR_COLOROUT,    6},
 177     {WINED3D_SV_TARGET7,    WINED3DSPR_COLOROUT,    7},
 178 };
 179
 180 static const struct wined3d_sm4_opcode_info *get_opcode_info(enum wined3d_sm4_opcode opcode)
 181 {
 182     unsigned int i;
 183
 184     for (i = 0; i < sizeof(opcode_table) / sizeof(*opcode_table); ++i)
 185     {
 186         if (opcode == opcode_table[i].opcode) return &opcode_table[i];
 187     }
 188
 189     return NULL;
 190 }
 191
 192 static void map_sysval(enum wined3d_sysval_semantic sysval, struct wined3d_shader_register *reg)
 193 {
 194     unsigned int i;
 195
 196     for (i = 0; i < sizeof(sysval_map) / sizeof(*sysval_map); ++i)
 197     {
 198         if (sysval == sysval_map[i].sysval)
 199         {
 200             reg->type = sysval_map[i].register_type;
 201             reg->idx = sysval_map[i].register_idx;
 202         }
 203     }
 204 }
 205
 206 static void map_register(struct wined3d_sm4_data *priv, struct wined3d_shader_register *reg)
 207 {
 208     switch (priv->shader_version.type)
 209     {
 210         case WINED3D_SHADER_TYPE_PIXEL:
 211             if (reg->type == WINED3DSPR_OUTPUT)
 212             {
 213                 unsigned int i;
 214                 const struct wined3d_shader_signature *s = priv->output_signature;
 215
 216                 if (!s)
 217                 {
 218                     ERR("Shader has no output signature, unable to map register.\n");
 219                     break;
 220                 }
 221
 222                 for (i = 0; i < s->element_count; ++i)
 223                 {
 224                     if (s->elements[i].register_idx == reg->idx)
 225                     {
 226                         map_sysval(s->elements[i].sysval_semantic, reg);
 227                         break;
 228                     }
 229                 }
 230             }
 231             break;
 232
 233         default:
 234             break;
 235     }
 236 }
 237
 238 static void *shader_sm4_init(const DWORD *byte_code, const struct wined3d_shader_signature *output_signature)
 239 {
 240     struct wined3d_sm4_data *priv = HeapAlloc(GetProcessHeap(), 0, sizeof(*priv));
 241     if (!priv)
 242     {
 243         ERR("Failed to allocate private data\n");
 244         return NULL;
 245     }
 246
 247     priv->output_signature = output_signature;
 248
 249     return priv;
 250 }
 251
 252 static void shader_sm4_free(void *data)
 253 {
 254     HeapFree(GetProcessHeap(), 0, data);
 255 }
 256
 257 static void shader_sm4_read_header(void *data, const DWORD **ptr, struct wined3d_shader_version *shader_version)
 258 {
 259     struct wined3d_sm4_data *priv = data;
 260     DWORD version_token;
 261
 262     priv->end = *ptr;
 263
 264     version_token = *(*ptr)++;
 265     TRACE("version: 0x%08x\n", version_token);
 266
 267     TRACE("token count: %u\n", **ptr);
 268     priv->end += *(*ptr)++;
 269
 270     switch (version_token >> 16)
 271     {
 272         case WINED3D_SM4_PS:
 273             priv->shader_version.type = WINED3D_SHADER_TYPE_PIXEL;
 274             break;
 275
 276         case WINED3D_SM4_VS:
 277             priv->shader_version.type = WINED3D_SHADER_TYPE_VERTEX;
 278             break;
 279
 280         case WINED3D_SM4_GS:
 281             priv->shader_version.type = WINED3D_SHADER_TYPE_GEOMETRY;
 282             break;
 283
 284         default:
 285             FIXME("Unrecognized shader type %#x\n", version_token >> 16);
 286     }
 287     priv->shader_version.major = WINED3D_SM4_VERSION_MAJOR(version_token);
 288     priv->shader_version.minor = WINED3D_SM4_VERSION_MINOR(version_token);
 289
 290     *shader_version = priv->shader_version;
 291 }
 292
 293 static void shader_sm4_read_opcode(void *data, const DWORD **ptr, struct wined3d_shader_instruction *ins,
 294         UINT *param_size)
 295 {
 296     const struct wined3d_sm4_opcode_info *opcode_info;
 297     DWORD token = *(*ptr)++;
 298     DWORD opcode = token & WINED3D_SM4_OPCODE_MASK;
 299
 300     *param_size = ((token & WINED3D_SM4_INSTRUCTION_LENGTH_MASK) >> WINED3D_SM4_INSTRUCTION_LENGTH_SHIFT) - 1;
 301
 302     opcode_info = get_opcode_info(opcode);
 303     if (!opcode_info)
 304     {
 305         FIXME("Unrecognized opcode %#x, token 0x%08x\n", opcode, token);
 306         ins->handler_idx = WINED3DSIH_TABLE_SIZE;
 307         return;
 308     }
 309
 310     ins->handler_idx = opcode_info->handler_idx;
 311     ins->flags = 0;
 312     ins->coissue = 0;
 313     ins->predicate = 0;
 314     ins->dst_count = opcode_info->dst_count;
 315     ins->src_count = opcode_info->src_count;
 316 }
 317
 318 static void shader_sm4_read_src_param(void *data, const DWORD **ptr, struct wined3d_shader_src_param *src_param,
 319         struct wined3d_shader_src_param *src_rel_addr)
 320 {
 321     struct wined3d_sm4_data *priv = data;
 322     DWORD token = *(*ptr)++;
 323     enum wined3d_sm4_register_type register_type;
 324     DWORD order;
 325
 326     register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
 327     if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
 328     {
 329         FIXME("Unhandled register type %#x\n", register_type);
 330         src_param->reg.type = WINED3DSPR_TEMP;
 331     }
 332     else
 333     {
 334         src_param->reg.type = register_type_table[register_type];
 335     }
 336
 337     order = (token & WINED3D_SM4_REGISTER_ORDER_MASK) >> WINED3D_SM4_REGISTER_ORDER_SHIFT;
 338
 339     if (order < 1) src_param->reg.idx = ~0U;
 340     else src_param->reg.idx = *(*ptr)++;
 341
 342     if (order < 2) src_param->reg.array_idx = ~0U;
 343     else src_param->reg.array_idx = *(*ptr)++;
 344
 345     if (order > 2) FIXME("Unhandled order %u.\n", order);
 346
 347     if (register_type == WINED3D_SM4_RT_IMMCONST)
 348     {
 349         enum wined3d_sm4_immconst_type immconst_type =
 350                 (token & WINED3D_SM4_IMMCONST_TYPE_MASK) >> WINED3D_SM4_IMMCONST_TYPE_SHIFT;
 351         src_param->swizzle = WINED3DSP_NOSWIZZLE;
 352
 353         switch(immconst_type)
 354         {
 355             case WINED3D_SM4_IMMCONST_FLOAT:
 356                 src_param->reg.immconst_type = WINED3D_IMMCONST_FLOAT;
 357                 memcpy(src_param->reg.immconst_data, *ptr, 1 * sizeof(DWORD));
 358                 *ptr += 1;
 359                 break;
 360
 361             case WINED3D_SM4_IMMCONST_FLOAT4:
 362                 src_param->reg.immconst_type = WINED3D_IMMCONST_FLOAT4;
 363                 memcpy(src_param->reg.immconst_data, *ptr, 4 * sizeof(DWORD));
 364                 *ptr += 4;
 365                 break;
 366
 367             default:
 368                 FIXME("Unhandled immediate constant type %#x\n", immconst_type);
 369                 break;
 370         }
 371     }
 372     else
 373     {
 374         src_param->swizzle = (token & WINED3D_SM4_SWIZZLE_MASK) >> WINED3D_SM4_SWIZZLE_SHIFT;
 375     }
 376
 377     src_param->modifiers = 0;
 378     src_param->reg.rel_addr = NULL;
 379
 380     map_register(priv, &src_param->reg);
 381 }
 382
 383 static void shader_sm4_read_dst_param(void *data, const DWORD **ptr, struct wined3d_shader_dst_param *dst_param,
 384         struct wined3d_shader_src_param *dst_rel_addr)
 385 {
 386     struct wined3d_sm4_data *priv = data;
 387     DWORD token = *(*ptr)++;
 388     enum wined3d_sm4_register_type register_type;
 389     DWORD order;
 390
 391     register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
 392     if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
 393     {
 394         FIXME("Unhandled register type %#x\n", register_type);
 395         dst_param->reg.type = WINED3DSPR_TEMP;
 396     }
 397     else
 398     {
 399         dst_param->reg.type = register_type_table[register_type];
 400     }
 401
 402     order = (token & WINED3D_SM4_REGISTER_ORDER_MASK) >> WINED3D_SM4_REGISTER_ORDER_SHIFT;
 403
 404     if (order < 1) dst_param->reg.idx = ~0U;
 405     else dst_param->reg.idx = *(*ptr)++;
 406
 407     if (order < 2) dst_param->reg.array_idx = ~0U;
 408     else dst_param->reg.array_idx = *(*ptr)++;
 409
 410     if (order > 2) FIXME("Unhandled order %u.\n", order);
 411
 412     dst_param->write_mask = (token & WINED3D_SM4_WRITEMASK_MASK) >> WINED3D_SM4_WRITEMASK_SHIFT;
 413     dst_param->modifiers = 0;
 414     dst_param->shift = 0;
 415     dst_param->reg.rel_addr = NULL;
 416
 417     map_register(priv, &dst_param->reg);
 418 }
 419
 420 static void shader_sm4_read_semantic(const DWORD **ptr, struct wined3d_shader_semantic *semantic)
 421 {
 422     FIXME("ptr %p, semantic %p stub!\n", ptr, semantic);
 423 }
 424
 425 static void shader_sm4_read_comment(const DWORD **ptr, const char **comment, UINT *comment_size)
 426 {
 427     FIXME("ptr %p, comment %p, comment_size %p stub!\n", ptr, comment, comment_size);
 428     *comment = NULL;
 429 }
 430
 431 static BOOL shader_sm4_is_end(void *data, const DWORD **ptr)
 432 {
 433     struct wined3d_sm4_data *priv = data;
 434     return *ptr == priv->end;
 435 }
 436
 437 const struct wined3d_shader_frontend sm4_shader_frontend =
 438 {
 439     shader_sm4_init,
 440     shader_sm4_free,
 441     shader_sm4_read_header,
 442     shader_sm4_read_opcode,
 443     shader_sm4_read_src_param,
 444     shader_sm4_read_dst_param,
 445     shader_sm4_read_semantic,
 446     shader_sm4_read_comment,
 447     shader_sm4_is_end,
 448 };