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_BREAKC   = 0x03,
  53     WINED3D_SM4_OP_DP3      = 0x10,
  54     WINED3D_SM4_OP_DP4      = 0x11,
  55     WINED3D_SM4_OP_EMIT     = 0x13,
  56     WINED3D_SM4_OP_EXP      = 0x19,
  57     WINED3D_SM4_OP_IADD     = 0x1e,
  58     WINED3D_SM4_OP_IGE      = 0x21,
  59     WINED3D_SM4_OP_LOG      = 0x2f,
  60     WINED3D_SM4_OP_LT       = 0x31,
  61     WINED3D_SM4_OP_MIN      = 0x33,
  62     WINED3D_SM4_OP_MAX      = 0x34,
  63     WINED3D_SM4_OP_MOV      = 0x36,
  64     WINED3D_SM4_OP_MUL      = 0x38,
  65     WINED3D_SM4_OP_RET      = 0x3e,
  66     WINED3D_SM4_OP_RSQ      = 0x44,
  67     WINED3D_SM4_OP_SINCOS   = 0x4d,
  68 };
  69
  70 enum wined3d_sm4_register_type
  71 {
  72     WINED3D_SM4_RT_TEMP         = 0x0,
  73     WINED3D_SM4_RT_INPUT        = 0x1,
  74     WINED3D_SM4_RT_OUTPUT       = 0x2,
  75     WINED3D_SM4_RT_IMMCONST     = 0x4,
  76     WINED3D_SM4_RT_CONSTBUFFER  = 0x8,
  77 };
  78
  79 enum wined3d_sm4_immconst_type
  80 {
  81     WINED3D_SM4_IMMCONST_FLOAT  = 0x1,
  82     WINED3D_SM4_IMMCONST_FLOAT4 = 0x2,
  83 };
  84
  85 struct wined3d_sm4_data
  86 {
  87     struct wined3d_shader_version shader_version;
  88     const DWORD *end;
  89     const struct wined3d_shader_signature *output_signature;
  90 };
  91
  92 struct wined3d_sm4_opcode_info
  93 {
  94     enum wined3d_sm4_opcode opcode;
  95     enum WINED3D_SHADER_INSTRUCTION_HANDLER handler_idx;
  96     UINT dst_count;
  97     UINT src_count;
  98 };
  99
 100 struct sysval_map
 101 {
 102     enum wined3d_sysval_semantic sysval;
 103     WINED3DSHADER_PARAM_REGISTER_TYPE register_type;
 104     UINT register_idx;
 105 };
 106
 107 static const struct wined3d_sm4_opcode_info opcode_table[] =
 108 {
 109     {WINED3D_SM4_OP_ADD,    WINED3DSIH_ADD,         1,  2},
 110     {WINED3D_SM4_OP_BREAKC, WINED3DSIH_BREAKP,      0,  1},
 111     {WINED3D_SM4_OP_DP3,    WINED3DSIH_DP3,         1,  2},
 112     {WINED3D_SM4_OP_DP4,    WINED3DSIH_DP4,         1,  2},
 113     {WINED3D_SM4_OP_EMIT,   WINED3DSIH_EMIT,        0,  0},
 114     {WINED3D_SM4_OP_EXP,    WINED3DSIH_EXP,         1,  1},
 115     {WINED3D_SM4_OP_IADD,   WINED3DSIH_IADD,        1,  2},
 116     {WINED3D_SM4_OP_IGE,    WINED3DSIH_IGE,         1,  2},
 117     {WINED3D_SM4_OP_LOG,    WINED3DSIH_LOG,         1,  1},
 118     {WINED3D_SM4_OP_LT,     WINED3DSIH_LT,          1,  2},
 119     {WINED3D_SM4_OP_MIN,    WINED3DSIH_MIN,         1,  2},
 120     {WINED3D_SM4_OP_MAX,    WINED3DSIH_MAX,         1,  2},
 121     {WINED3D_SM4_OP_MOV,    WINED3DSIH_MOV,         1,  1},
 122     {WINED3D_SM4_OP_MUL,    WINED3DSIH_MUL,         1,  2},
 123     {WINED3D_SM4_OP_RET,    WINED3DSIH_RET,         0,  0},
 124     {WINED3D_SM4_OP_RSQ,    WINED3DSIH_RSQ,         1,  1},
 125     {WINED3D_SM4_OP_SINCOS, WINED3DSIH_SINCOS,      1,  2},
 126 };
 127
 128 static const WINED3DSHADER_PARAM_REGISTER_TYPE register_type_table[] =
 129 {
 130     /* WINED3D_SM4_RT_TEMP */           WINED3DSPR_TEMP,
 131     /* WINED3D_SM4_RT_INPUT */          WINED3DSPR_INPUT,
 132     /* WINED3D_SM4_RT_OUTPUT */         WINED3DSPR_OUTPUT,
 133     /* UNKNOWN */                       0,
 134     /* WINED3D_SM4_RT_IMMCONST */       WINED3DSPR_IMMCONST,
 135     /* UNKNOWN */                       0,
 136     /* UNKNOWN */                       0,
 137     /* UNKNOWN */                       0,
 138     /* WINED3D_SM4_RT_CONSTBUFFER */    WINED3DSPR_CONSTBUFFER,
 139 };
 140
 141 static const struct sysval_map sysval_map[] =
 142 {
 143     {WINED3D_SV_DEPTH,      WINED3DSPR_DEPTHOUT,    0},
 144     {WINED3D_SV_TARGET0,    WINED3DSPR_COLOROUT,    0},
 145     {WINED3D_SV_TARGET1,    WINED3DSPR_COLOROUT,    1},
 146     {WINED3D_SV_TARGET2,    WINED3DSPR_COLOROUT,    2},
 147     {WINED3D_SV_TARGET3,    WINED3DSPR_COLOROUT,    3},
 148     {WINED3D_SV_TARGET4,    WINED3DSPR_COLOROUT,    4},
 149     {WINED3D_SV_TARGET5,    WINED3DSPR_COLOROUT,    5},
 150     {WINED3D_SV_TARGET6,    WINED3DSPR_COLOROUT,    6},
 151     {WINED3D_SV_TARGET7,    WINED3DSPR_COLOROUT,    7},
 152 };
 153
 154 static const struct wined3d_sm4_opcode_info *get_opcode_info(enum wined3d_sm4_opcode opcode)
 155 {
 156     unsigned int i;
 157
 158     for (i = 0; i < sizeof(opcode_table) / sizeof(*opcode_table); ++i)
 159     {
 160         if (opcode == opcode_table[i].opcode) return &opcode_table[i];
 161     }
 162
 163     return NULL;
 164 }
 165
 166 static void map_sysval(enum wined3d_sysval_semantic sysval, struct wined3d_shader_register *reg)
 167 {
 168     unsigned int i;
 169
 170     for (i = 0; i < sizeof(sysval_map) / sizeof(*sysval_map); ++i)
 171     {
 172         if (sysval == sysval_map[i].sysval)
 173         {
 174             reg->type = sysval_map[i].register_type;
 175             reg->idx = sysval_map[i].register_idx;
 176         }
 177     }
 178 }
 179
 180 static void map_register(struct wined3d_sm4_data *priv, struct wined3d_shader_register *reg)
 181 {
 182     switch (priv->shader_version.type)
 183     {
 184         case WINED3D_SHADER_TYPE_PIXEL:
 185             if (reg->type == WINED3DSPR_OUTPUT)
 186             {
 187                 unsigned int i;
 188                 const struct wined3d_shader_signature *s = priv->output_signature;
 189
 190                 if (!s)
 191                 {
 192                     ERR("Shader has no output signature, unable to map register.\n");
 193                     break;
 194                 }
 195
 196                 for (i = 0; i < s->element_count; ++i)
 197                 {
 198                     if (s->elements[i].register_idx == reg->idx)
 199                     {
 200                         map_sysval(s->elements[i].sysval_semantic, reg);
 201                         break;
 202                     }
 203                 }
 204             }
 205             break;
 206
 207         default:
 208             break;
 209     }
 210 }
 211
 212 static void *shader_sm4_init(const DWORD *byte_code, const struct wined3d_shader_signature *output_signature)
 213 {
 214     struct wined3d_sm4_data *priv = HeapAlloc(GetProcessHeap(), 0, sizeof(*priv));
 215     if (!priv)
 216     {
 217         ERR("Failed to allocate private data\n");
 218         return NULL;
 219     }
 220
 221     priv->output_signature = output_signature;
 222
 223     return priv;
 224 }
 225
 226 static void shader_sm4_free(void *data)
 227 {
 228     HeapFree(GetProcessHeap(), 0, data);
 229 }
 230
 231 static void shader_sm4_read_header(void *data, const DWORD **ptr, struct wined3d_shader_version *shader_version)
 232 {
 233     struct wined3d_sm4_data *priv = data;
 234     DWORD version_token;
 235
 236     priv->end = *ptr;
 237
 238     version_token = *(*ptr)++;
 239     TRACE("version: 0x%08x\n", version_token);
 240
 241     TRACE("token count: %u\n", **ptr);
 242     priv->end += *(*ptr)++;
 243
 244     switch (version_token >> 16)
 245     {
 246         case WINED3D_SM4_PS:
 247             priv->shader_version.type = WINED3D_SHADER_TYPE_PIXEL;
 248             break;
 249
 250         case WINED3D_SM4_VS:
 251             priv->shader_version.type = WINED3D_SHADER_TYPE_VERTEX;
 252             break;
 253
 254         case WINED3D_SM4_GS:
 255             priv->shader_version.type = WINED3D_SHADER_TYPE_GEOMETRY;
 256             break;
 257
 258         default:
 259             FIXME("Unrecognized shader type %#x\n", version_token >> 16);
 260     }
 261     priv->shader_version.major = WINED3D_SM4_VERSION_MAJOR(version_token);
 262     priv->shader_version.minor = WINED3D_SM4_VERSION_MINOR(version_token);
 263
 264     *shader_version = priv->shader_version;
 265 }
 266
 267 static void shader_sm4_read_opcode(void *data, const DWORD **ptr, struct wined3d_shader_instruction *ins,
 268         UINT *param_size)
 269 {
 270     const struct wined3d_sm4_opcode_info *opcode_info;
 271     DWORD token = *(*ptr)++;
 272     DWORD opcode = token & WINED3D_SM4_OPCODE_MASK;
 273
 274     *param_size = ((token & WINED3D_SM4_INSTRUCTION_LENGTH_MASK) >> WINED3D_SM4_INSTRUCTION_LENGTH_SHIFT) - 1;
 275
 276     opcode_info = get_opcode_info(opcode);
 277     if (!opcode_info)
 278     {
 279         FIXME("Unrecognized opcode %#x, token 0x%08x\n", opcode, token);
 280         ins->handler_idx = WINED3DSIH_TABLE_SIZE;
 281         return;
 282     }
 283
 284     ins->handler_idx = opcode_info->handler_idx;
 285     ins->flags = 0;
 286     ins->coissue = 0;
 287     ins->predicate = 0;
 288     ins->dst_count = opcode_info->dst_count;
 289     ins->src_count = opcode_info->src_count;
 290 }
 291
 292 static void shader_sm4_read_src_param(void *data, const DWORD **ptr, struct wined3d_shader_src_param *src_param,
 293         struct wined3d_shader_src_param *src_rel_addr)
 294 {
 295     struct wined3d_sm4_data *priv = data;
 296     DWORD token = *(*ptr)++;
 297     enum wined3d_sm4_register_type register_type;
 298     DWORD order;
 299
 300     register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
 301     if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
 302     {
 303         FIXME("Unhandled register type %#x\n", register_type);
 304         src_param->reg.type = WINED3DSPR_TEMP;
 305     }
 306     else
 307     {
 308         src_param->reg.type = register_type_table[register_type];
 309     }
 310
 311     order = (token & WINED3D_SM4_REGISTER_ORDER_MASK) >> WINED3D_SM4_REGISTER_ORDER_SHIFT;
 312
 313     if (order < 1) src_param->reg.idx = ~0U;
 314     else src_param->reg.idx = *(*ptr)++;
 315
 316     if (order < 2) src_param->reg.array_idx = ~0U;
 317     else src_param->reg.array_idx = *(*ptr)++;
 318
 319     if (order > 2) FIXME("Unhandled order %u.\n", order);
 320
 321     if (register_type == WINED3D_SM4_RT_IMMCONST)
 322     {
 323         enum wined3d_sm4_immconst_type immconst_type =
 324                 (token & WINED3D_SM4_IMMCONST_TYPE_MASK) >> WINED3D_SM4_IMMCONST_TYPE_SHIFT;
 325         src_param->swizzle = WINED3DSP_NOSWIZZLE;
 326
 327         switch(immconst_type)
 328         {
 329             case WINED3D_SM4_IMMCONST_FLOAT:
 330                 src_param->reg.immconst_type = WINED3D_IMMCONST_FLOAT;
 331                 memcpy(src_param->reg.immconst_data, *ptr, 1 * sizeof(DWORD));
 332                 *ptr += 1;
 333                 break;
 334
 335             case WINED3D_SM4_IMMCONST_FLOAT4:
 336                 src_param->reg.immconst_type = WINED3D_IMMCONST_FLOAT4;
 337                 memcpy(src_param->reg.immconst_data, *ptr, 4 * sizeof(DWORD));
 338                 *ptr += 4;
 339                 break;
 340
 341             default:
 342                 FIXME("Unhandled immediate constant type %#x\n", immconst_type);
 343                 break;
 344         }
 345     }
 346     else
 347     {
 348         src_param->swizzle = (token & WINED3D_SM4_SWIZZLE_MASK) >> WINED3D_SM4_SWIZZLE_SHIFT;
 349     }
 350
 351     src_param->modifiers = 0;
 352     src_param->reg.rel_addr = NULL;
 353
 354     map_register(priv, &src_param->reg);
 355 }
 356
 357 static void shader_sm4_read_dst_param(void *data, const DWORD **ptr, struct wined3d_shader_dst_param *dst_param,
 358         struct wined3d_shader_src_param *dst_rel_addr)
 359 {
 360     struct wined3d_sm4_data *priv = data;
 361     DWORD token = *(*ptr)++;
 362     enum wined3d_sm4_register_type register_type;
 363     DWORD order;
 364
 365     register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
 366     if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
 367     {
 368         FIXME("Unhandled register type %#x\n", register_type);
 369         dst_param->reg.type = WINED3DSPR_TEMP;
 370     }
 371     else
 372     {
 373         dst_param->reg.type = register_type_table[register_type];
 374     }
 375
 376     order = (token & WINED3D_SM4_REGISTER_ORDER_MASK) >> WINED3D_SM4_REGISTER_ORDER_SHIFT;
 377
 378     if (order < 1) dst_param->reg.idx = ~0U;
 379     else dst_param->reg.idx = *(*ptr)++;
 380
 381     if (order < 2) dst_param->reg.array_idx = ~0U;
 382     else dst_param->reg.array_idx = *(*ptr)++;
 383
 384     if (order > 2) FIXME("Unhandled order %u.\n", order);
 385
 386     dst_param->write_mask = (token & WINED3D_SM4_WRITEMASK_MASK) >> WINED3D_SM4_WRITEMASK_SHIFT;
 387     dst_param->modifiers = 0;
 388     dst_param->shift = 0;
 389     dst_param->reg.rel_addr = NULL;
 390
 391     map_register(priv, &dst_param->reg);
 392 }
 393
 394 static void shader_sm4_read_semantic(const DWORD **ptr, struct wined3d_shader_semantic *semantic)
 395 {
 396     FIXME("ptr %p, semantic %p stub!\n", ptr, semantic);
 397 }
 398
 399 static void shader_sm4_read_comment(const DWORD **ptr, const char **comment)
 400 {
 401     FIXME("ptr %p, comment %p stub!\n", ptr, comment);
 402     *comment = NULL;
 403 }
 404
 405 static BOOL shader_sm4_is_end(void *data, const DWORD **ptr)
 406 {
 407     struct wined3d_sm4_data *priv = data;
 408     return *ptr == priv->end;
 409 }
 410
 411 const struct wined3d_shader_frontend sm4_shader_frontend =
 412 {
 413     shader_sm4_init,
 414     shader_sm4_free,
 415     shader_sm4_read_header,
 416     shader_sm4_read_opcode,
 417     shader_sm4_read_src_param,
 418     shader_sm4_read_dst_param,
 419     shader_sm4_read_semantic,
 420     shader_sm4_read_comment,
 421     shader_sm4_is_end,
 422 };