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