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_BREAK    = 0x02,
  53     WINED3D_SM4_OP_BREAKC   = 0x03,
  54     WINED3D_SM4_OP_DP3      = 0x10,
  55     WINED3D_SM4_OP_DP4      = 0x11,
  56     WINED3D_SM4_OP_EMIT     = 0x13,
  57     WINED3D_SM4_OP_EXP      = 0x19,
  58     WINED3D_SM4_OP_IADD     = 0x1e,
  59     WINED3D_SM4_OP_IF       = 0x1f,
  60     WINED3D_SM4_OP_IGE      = 0x21,
  61     WINED3D_SM4_OP_LOG      = 0x2f,
  62     WINED3D_SM4_OP_LT       = 0x31,
  63     WINED3D_SM4_OP_MIN      = 0x33,
  64     WINED3D_SM4_OP_MAX      = 0x34,
  65     WINED3D_SM4_OP_MOV      = 0x36,
  66     WINED3D_SM4_OP_MUL      = 0x38,
  67     WINED3D_SM4_OP_RET      = 0x3e,
  68     WINED3D_SM4_OP_RSQ      = 0x44,
  69     WINED3D_SM4_OP_SINCOS   = 0x4d,
  70 };
  71
  72 enum wined3d_sm4_register_type
  73 {
  74     WINED3D_SM4_RT_TEMP         = 0x0,
  75     WINED3D_SM4_RT_INPUT        = 0x1,
  76     WINED3D_SM4_RT_OUTPUT       = 0x2,
  77     WINED3D_SM4_RT_IMMCONST     = 0x4,
  78     WINED3D_SM4_RT_CONSTBUFFER  = 0x8,
  79 };
  80
  81 enum wined3d_sm4_immconst_type
  82 {
  83     WINED3D_SM4_IMMCONST_FLOAT  = 0x1,
  84     WINED3D_SM4_IMMCONST_FLOAT4 = 0x2,
  85 };
  86
  87 struct wined3d_sm4_data
  88 {
  89     struct wined3d_shader_version shader_version;
  90     const DWORD *end;
  91     const struct wined3d_shader_signature *output_signature;
  92 };
  93
  94 struct wined3d_sm4_opcode_info
  95 {
  96     enum wined3d_sm4_opcode opcode;
  97     enum WINED3D_SHADER_INSTRUCTION_HANDLER handler_idx;
  98     UINT dst_count;
  99     UINT src_count;
 100 };
 101
 102 struct sysval_map
 103 {
 104     enum wined3d_sysval_semantic sysval;
 105     WINED3DSHADER_PARAM_REGISTER_TYPE register_type;
 106     UINT register_idx;
 107 };
 108
 109 static const struct wined3d_sm4_opcode_info opcode_table[] =
 110 {
 111     {WINED3D_SM4_OP_ADD,    WINED3DSIH_ADD,         1,  2},
 112     {WINED3D_SM4_OP_BREAK,  WINED3DSIH_BREAK,       0,  0},
 113     {WINED3D_SM4_OP_BREAKC, WINED3DSIH_BREAKP,      0,  1},
 114     {WINED3D_SM4_OP_DP3,    WINED3DSIH_DP3,         1,  2},
 115     {WINED3D_SM4_OP_DP4,    WINED3DSIH_DP4,         1,  2},
 116     {WINED3D_SM4_OP_EMIT,   WINED3DSIH_EMIT,        0,  0},
 117     {WINED3D_SM4_OP_EXP,    WINED3DSIH_EXP,         1,  1},
 118     {WINED3D_SM4_OP_IADD,   WINED3DSIH_IADD,        1,  2},
 119     {WINED3D_SM4_OP_IF,     WINED3DSIH_IF,          0,  1},
 120     {WINED3D_SM4_OP_IGE,    WINED3DSIH_IGE,         1,  2},
 121     {WINED3D_SM4_OP_LOG,    WINED3DSIH_LOG,         1,  1},
 122     {WINED3D_SM4_OP_LT,     WINED3DSIH_LT,          1,  2},
 123     {WINED3D_SM4_OP_MIN,    WINED3DSIH_MIN,         1,  2},
 124     {WINED3D_SM4_OP_MAX,    WINED3DSIH_MAX,         1,  2},
 125     {WINED3D_SM4_OP_MOV,    WINED3DSIH_MOV,         1,  1},
 126     {WINED3D_SM4_OP_MUL,    WINED3DSIH_MUL,         1,  2},
 127     {WINED3D_SM4_OP_RET,    WINED3DSIH_RET,         0,  0},
 128     {WINED3D_SM4_OP_RSQ,    WINED3DSIH_RSQ,         1,  1},
 129     {WINED3D_SM4_OP_SINCOS, WINED3DSIH_SINCOS,      1,  2},
 130 };
 131
 132 static const WINED3DSHADER_PARAM_REGISTER_TYPE register_type_table[] =
 133 {
 134     /* WINED3D_SM4_RT_TEMP */           WINED3DSPR_TEMP,
 135     /* WINED3D_SM4_RT_INPUT */          WINED3DSPR_INPUT,
 136     /* WINED3D_SM4_RT_OUTPUT */         WINED3DSPR_OUTPUT,
 137     /* UNKNOWN */                       0,
 138     /* WINED3D_SM4_RT_IMMCONST */       WINED3DSPR_IMMCONST,
 139     /* UNKNOWN */                       0,
 140     /* UNKNOWN */                       0,
 141     /* UNKNOWN */                       0,
 142     /* WINED3D_SM4_RT_CONSTBUFFER */    WINED3DSPR_CONSTBUFFER,
 143 };
 144
 145 static const struct sysval_map sysval_map[] =
 146 {
 147     {WINED3D_SV_DEPTH,      WINED3DSPR_DEPTHOUT,    0},
 148     {WINED3D_SV_TARGET0,    WINED3DSPR_COLOROUT,    0},
 149     {WINED3D_SV_TARGET1,    WINED3DSPR_COLOROUT,    1},
 150     {WINED3D_SV_TARGET2,    WINED3DSPR_COLOROUT,    2},
 151     {WINED3D_SV_TARGET3,    WINED3DSPR_COLOROUT,    3},
 152     {WINED3D_SV_TARGET4,    WINED3DSPR_COLOROUT,    4},
 153     {WINED3D_SV_TARGET5,    WINED3DSPR_COLOROUT,    5},
 154     {WINED3D_SV_TARGET6,    WINED3DSPR_COLOROUT,    6},
 155     {WINED3D_SV_TARGET7,    WINED3DSPR_COLOROUT,    7},
 156 };
 157
 158 static const struct wined3d_sm4_opcode_info *get_opcode_info(enum wined3d_sm4_opcode opcode)
 159 {
 160     unsigned int i;
 161
 162     for (i = 0; i < sizeof(opcode_table) / sizeof(*opcode_table); ++i)
 163     {
 164         if (opcode == opcode_table[i].opcode) return &opcode_table[i];
 165     }
 166
 167     return NULL;
 168 }
 169
 170 static void map_sysval(enum wined3d_sysval_semantic sysval, struct wined3d_shader_register *reg)
 171 {
 172     unsigned int i;
 173
 174     for (i = 0; i < sizeof(sysval_map) / sizeof(*sysval_map); ++i)
 175     {
 176         if (sysval == sysval_map[i].sysval)
 177         {
 178             reg->type = sysval_map[i].register_type;
 179             reg->idx = sysval_map[i].register_idx;
 180         }
 181     }
 182 }
 183
 184 static void map_register(struct wined3d_sm4_data *priv, struct wined3d_shader_register *reg)
 185 {
 186     switch (priv->shader_version.type)
 187     {
 188         case WINED3D_SHADER_TYPE_PIXEL:
 189             if (reg->type == WINED3DSPR_OUTPUT)
 190             {
 191                 unsigned int i;
 192                 const struct wined3d_shader_signature *s = priv->output_signature;
 193
 194                 if (!s)
 195                 {
 196                     ERR("Shader has no output signature, unable to map register.\n");
 197                     break;
 198                 }
 199
 200                 for (i = 0; i < s->element_count; ++i)
 201                 {
 202                     if (s->elements[i].register_idx == reg->idx)
 203                     {
 204                         map_sysval(s->elements[i].sysval_semantic, reg);
 205                         break;
 206                     }
 207                 }
 208             }
 209             break;
 210
 211         default:
 212             break;
 213     }
 214 }
 215
 216 static void *shader_sm4_init(const DWORD *byte_code, const struct wined3d_shader_signature *output_signature)
 217 {
 218     struct wined3d_sm4_data *priv = HeapAlloc(GetProcessHeap(), 0, sizeof(*priv));
 219     if (!priv)
 220     {
 221         ERR("Failed to allocate private data\n");
 222         return NULL;
 223     }
 224
 225     priv->output_signature = output_signature;
 226
 227     return priv;
 228 }
 229
 230 static void shader_sm4_free(void *data)
 231 {
 232     HeapFree(GetProcessHeap(), 0, data);
 233 }
 234
 235 static void shader_sm4_read_header(void *data, const DWORD **ptr, struct wined3d_shader_version *shader_version)
 236 {
 237     struct wined3d_sm4_data *priv = data;
 238     DWORD version_token;
 239
 240     priv->end = *ptr;
 241
 242     version_token = *(*ptr)++;
 243     TRACE("version: 0x%08x\n", version_token);
 244
 245     TRACE("token count: %u\n", **ptr);
 246     priv->end += *(*ptr)++;
 247
 248     switch (version_token >> 16)
 249     {
 250         case WINED3D_SM4_PS:
 251             priv->shader_version.type = WINED3D_SHADER_TYPE_PIXEL;
 252             break;
 253
 254         case WINED3D_SM4_VS:
 255             priv->shader_version.type = WINED3D_SHADER_TYPE_VERTEX;
 256             break;
 257
 258         case WINED3D_SM4_GS:
 259             priv->shader_version.type = WINED3D_SHADER_TYPE_GEOMETRY;
 260             break;
 261
 262         default:
 263             FIXME("Unrecognized shader type %#x\n", version_token >> 16);
 264     }
 265     priv->shader_version.major = WINED3D_SM4_VERSION_MAJOR(version_token);
 266     priv->shader_version.minor = WINED3D_SM4_VERSION_MINOR(version_token);
 267
 268     *shader_version = priv->shader_version;
 269 }
 270
 271 static void shader_sm4_read_opcode(void *data, const DWORD **ptr, struct wined3d_shader_instruction *ins,
 272         UINT *param_size)
 273 {
 274     const struct wined3d_sm4_opcode_info *opcode_info;
 275     DWORD token = *(*ptr)++;
 276     DWORD opcode = token & WINED3D_SM4_OPCODE_MASK;
 277
 278     *param_size = ((token & WINED3D_SM4_INSTRUCTION_LENGTH_MASK) >> WINED3D_SM4_INSTRUCTION_LENGTH_SHIFT) - 1;
 279
 280     opcode_info = get_opcode_info(opcode);
 281     if (!opcode_info)
 282     {
 283         FIXME("Unrecognized opcode %#x, token 0x%08x\n", opcode, token);
 284         ins->handler_idx = WINED3DSIH_TABLE_SIZE;
 285         return;
 286     }
 287
 288     ins->handler_idx = opcode_info->handler_idx;
 289     ins->flags = 0;
 290     ins->coissue = 0;
 291     ins->predicate = 0;
 292     ins->dst_count = opcode_info->dst_count;
 293     ins->src_count = opcode_info->src_count;
 294 }
 295
 296 static void shader_sm4_read_src_param(void *data, const DWORD **ptr, struct wined3d_shader_src_param *src_param,
 297         struct wined3d_shader_src_param *src_rel_addr)
 298 {
 299     struct wined3d_sm4_data *priv = data;
 300     DWORD token = *(*ptr)++;
 301     enum wined3d_sm4_register_type register_type;
 302     DWORD order;
 303
 304     register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
 305     if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
 306     {
 307         FIXME("Unhandled register type %#x\n", register_type);
 308         src_param->reg.type = WINED3DSPR_TEMP;
 309     }
 310     else
 311     {
 312         src_param->reg.type = register_type_table[register_type];
 313     }
 314
 315     order = (token & WINED3D_SM4_REGISTER_ORDER_MASK) >> WINED3D_SM4_REGISTER_ORDER_SHIFT;
 316
 317     if (order < 1) src_param->reg.idx = ~0U;
 318     else src_param->reg.idx = *(*ptr)++;
 319
 320     if (order < 2) src_param->reg.array_idx = ~0U;
 321     else src_param->reg.array_idx = *(*ptr)++;
 322
 323     if (order > 2) FIXME("Unhandled order %u.\n", order);
 324
 325     if (register_type == WINED3D_SM4_RT_IMMCONST)
 326     {
 327         enum wined3d_sm4_immconst_type immconst_type =
 328                 (token & WINED3D_SM4_IMMCONST_TYPE_MASK) >> WINED3D_SM4_IMMCONST_TYPE_SHIFT;
 329         src_param->swizzle = WINED3DSP_NOSWIZZLE;
 330
 331         switch(immconst_type)
 332         {
 333             case WINED3D_SM4_IMMCONST_FLOAT:
 334                 src_param->reg.immconst_type = WINED3D_IMMCONST_FLOAT;
 335                 memcpy(src_param->reg.immconst_data, *ptr, 1 * sizeof(DWORD));
 336                 *ptr += 1;
 337                 break;
 338
 339             case WINED3D_SM4_IMMCONST_FLOAT4:
 340                 src_param->reg.immconst_type = WINED3D_IMMCONST_FLOAT4;
 341                 memcpy(src_param->reg.immconst_data, *ptr, 4 * sizeof(DWORD));
 342                 *ptr += 4;
 343                 break;
 344
 345             default:
 346                 FIXME("Unhandled immediate constant type %#x\n", immconst_type);
 347                 break;
 348         }
 349     }
 350     else
 351     {
 352         src_param->swizzle = (token & WINED3D_SM4_SWIZZLE_MASK) >> WINED3D_SM4_SWIZZLE_SHIFT;
 353     }
 354
 355     src_param->modifiers = 0;
 356     src_param->reg.rel_addr = NULL;
 357
 358     map_register(priv, &src_param->reg);
 359 }
 360
 361 static void shader_sm4_read_dst_param(void *data, const DWORD **ptr, struct wined3d_shader_dst_param *dst_param,
 362         struct wined3d_shader_src_param *dst_rel_addr)
 363 {
 364     struct wined3d_sm4_data *priv = data;
 365     DWORD token = *(*ptr)++;
 366     enum wined3d_sm4_register_type register_type;
 367     DWORD order;
 368
 369     register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
 370     if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
 371     {
 372         FIXME("Unhandled register type %#x\n", register_type);
 373         dst_param->reg.type = WINED3DSPR_TEMP;
 374     }
 375     else
 376     {
 377         dst_param->reg.type = register_type_table[register_type];
 378     }
 379
 380     order = (token & WINED3D_SM4_REGISTER_ORDER_MASK) >> WINED3D_SM4_REGISTER_ORDER_SHIFT;
 381
 382     if (order < 1) dst_param->reg.idx = ~0U;
 383     else dst_param->reg.idx = *(*ptr)++;
 384
 385     if (order < 2) dst_param->reg.array_idx = ~0U;
 386     else dst_param->reg.array_idx = *(*ptr)++;
 387
 388     if (order > 2) FIXME("Unhandled order %u.\n", order);
 389
 390     dst_param->write_mask = (token & WINED3D_SM4_WRITEMASK_MASK) >> WINED3D_SM4_WRITEMASK_SHIFT;
 391     dst_param->modifiers = 0;
 392     dst_param->shift = 0;
 393     dst_param->reg.rel_addr = NULL;
 394
 395     map_register(priv, &dst_param->reg);
 396 }
 397
 398 static void shader_sm4_read_semantic(const DWORD **ptr, struct wined3d_shader_semantic *semantic)
 399 {
 400     FIXME("ptr %p, semantic %p stub!\n", ptr, semantic);
 401 }
 402
 403 static void shader_sm4_read_comment(const DWORD **ptr, const char **comment)
 404 {
 405     FIXME("ptr %p, comment %p stub!\n", ptr, comment);
 406     *comment = NULL;
 407 }
 408
 409 static BOOL shader_sm4_is_end(void *data, const DWORD **ptr)
 410 {
 411     struct wined3d_sm4_data *priv = data;
 412     return *ptr == priv->end;
 413 }
 414
 415 const struct wined3d_shader_frontend sm4_shader_frontend =
 416 {
 417     shader_sm4_init,
 418     shader_sm4_free,
 419     shader_sm4_read_header,
 420     shader_sm4_read_opcode,
 421     shader_sm4_read_src_param,
 422     shader_sm4_read_dst_param,
 423     shader_sm4_read_semantic,
 424     shader_sm4_read_comment,
 425     shader_sm4_is_end,
 426 };