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