reactos/dll/directx/wine/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_DP3      = 0x10,
  53     WINED3D_SM4_OP_DP4      = 0x11,
  54     WINED3D_SM4_OP_EXP      = 0x19,
  55     WINED3D_SM4_OP_LOG      = 0x2f,
  56     WINED3D_SM4_OP_MIN      = 0x33,
  57     WINED3D_SM4_OP_MAX      = 0x34,
  58     WINED3D_SM4_OP_MOV      = 0x36,
  59     WINED3D_SM4_OP_MUL      = 0x38,
  60     WINED3D_SM4_OP_RET      = 0x3e,
  61     WINED3D_SM4_OP_RSQ      = 0x44,
  62     WINED3D_SM4_OP_SINCOS   = 0x4d,
  63 };
  64
  65 enum wined3d_sm4_register_type
  66 {
  67     WINED3D_SM4_RT_TEMP         = 0x0,
  68     WINED3D_SM4_RT_INPUT        = 0x1,
  69     WINED3D_SM4_RT_OUTPUT       = 0x2,
  70     WINED3D_SM4_RT_IMMCONST     = 0x4,
  71     WINED3D_SM4_RT_CONSTBUFFER  = 0x8,
  72 };
  73
  74 enum wined3d_sm4_immconst_type
  75 {
  76     WINED3D_SM4_IMMCONST_FLOAT  = 0x1,
  77     WINED3D_SM4_IMMCONST_FLOAT4 = 0x2,
  78 };
  79
  80 struct wined3d_sm4_data
  81 {
  82     struct wined3d_shader_version shader_version;
  83     const DWORD *end;
  84     const struct wined3d_shader_signature *output_signature;
  85 };
  86
  87 struct wined3d_sm4_opcode_info
  88 {
  89     enum wined3d_sm4_opcode opcode;
  90     enum WINED3D_SHADER_INSTRUCTION_HANDLER handler_idx;
  91     UINT dst_count;
  92     UINT src_count;
  93 };
  94
  95 struct sysval_map
  96 {
  97     enum wined3d_sysval_semantic sysval;
  98     WINED3DSHADER_PARAM_REGISTER_TYPE register_type;
  99     UINT register_idx;
 100 };
 101
 102 static const struct wined3d_sm4_opcode_info opcode_table[] =
 103 {
 104     {WINED3D_SM4_OP_ADD,    WINED3DSIH_ADD,         1,  2},
 105     {WINED3D_SM4_OP_DP3,    WINED3DSIH_DP3,         1,  2},
 106     {WINED3D_SM4_OP_DP4,    WINED3DSIH_DP4,         1,  2},
 107     {WINED3D_SM4_OP_EXP,    WINED3DSIH_EXP,         1,  1},
 108     {WINED3D_SM4_OP_LOG,    WINED3DSIH_LOG,         1,  1},
 109     {WINED3D_SM4_OP_MIN,    WINED3DSIH_MIN,         1,  2},
 110     {WINED3D_SM4_OP_MAX,    WINED3DSIH_MAX,         1,  2},
 111     {WINED3D_SM4_OP_MOV,    WINED3DSIH_MOV,         1,  1},
 112     {WINED3D_SM4_OP_MUL,    WINED3DSIH_MUL,         1,  2},
 113     {WINED3D_SM4_OP_RET,    WINED3DSIH_RET,         0,  0},
 114     {WINED3D_SM4_OP_RSQ,    WINED3DSIH_RSQ,         1,  1},
 115     {WINED3D_SM4_OP_SINCOS, WINED3DSIH_SINCOS,      1,  2},
 116 };
 117
 118 static const WINED3DSHADER_PARAM_REGISTER_TYPE register_type_table[] =
 119 {
 120     /* WINED3D_SM4_RT_TEMP */           WINED3DSPR_TEMP,
 121     /* WINED3D_SM4_RT_INPUT */          WINED3DSPR_INPUT,
 122     /* WINED3D_SM4_RT_OUTPUT */         WINED3DSPR_OUTPUT,
 123     /* UNKNOWN */                       0,
 124     /* WINED3D_SM4_RT_IMMCONST */       WINED3DSPR_IMMCONST,
 125     /* UNKNOWN */                       0,
 126     /* UNKNOWN */                       0,
 127     /* UNKNOWN */                       0,
 128     /* WINED3D_SM4_RT_CONSTBUFFER */    WINED3DSPR_CONSTBUFFER,
 129 };
 130
 131 static const struct sysval_map sysval_map[] =
 132 {
 133     {WINED3D_SV_DEPTH,      WINED3DSPR_DEPTHOUT,    0},
 134     {WINED3D_SV_TARGET0,    WINED3DSPR_COLOROUT,    0},
 135     {WINED3D_SV_TARGET1,    WINED3DSPR_COLOROUT,    1},
 136     {WINED3D_SV_TARGET2,    WINED3DSPR_COLOROUT,    2},
 137     {WINED3D_SV_TARGET3,    WINED3DSPR_COLOROUT,    3},
 138     {WINED3D_SV_TARGET4,    WINED3DSPR_COLOROUT,    4},
 139     {WINED3D_SV_TARGET5,    WINED3DSPR_COLOROUT,    5},
 140     {WINED3D_SV_TARGET6,    WINED3DSPR_COLOROUT,    6},
 141     {WINED3D_SV_TARGET7,    WINED3DSPR_COLOROUT,    7},
 142 };
 143
 144 static const struct wined3d_sm4_opcode_info *get_opcode_info(enum wined3d_sm4_opcode opcode)
 145 {
 146     unsigned int i;
 147
 148     for (i = 0; i < sizeof(opcode_table) / sizeof(*opcode_table); ++i)
 149     {
 150         if (opcode == opcode_table[i].opcode) return &opcode_table[i];
 151     }
 152
 153     return NULL;
 154 }
 155
 156 static void map_sysval(enum wined3d_sysval_semantic sysval, struct wined3d_shader_register *reg)
 157 {
 158     unsigned int i;
 159
 160     for (i = 0; i < sizeof(sysval_map) / sizeof(*sysval_map); ++i)
 161     {
 162         if (sysval == sysval_map[i].sysval)
 163         {
 164             reg->type = sysval_map[i].register_type;
 165             reg->idx = sysval_map[i].register_idx;
 166         }
 167     }
 168 }
 169
 170 static void map_register(struct wined3d_sm4_data *priv, struct wined3d_shader_register *reg)
 171 {
 172     switch (priv->shader_version.type)
 173     {
 174         case WINED3D_SHADER_TYPE_PIXEL:
 175             if (reg->type == WINED3DSPR_OUTPUT)
 176             {
 177                 unsigned int i;
 178                 const struct wined3d_shader_signature *s = priv->output_signature;
 179
 180                 if (!s)
 181                 {
 182                     ERR("Shader has no output signature, unable to map register.\n");
 183                     break;
 184                 }
 185
 186                 for (i = 0; i < s->element_count; ++i)
 187                 {
 188                     if (s->elements[i].register_idx == reg->idx)
 189                     {
 190                         map_sysval(s->elements[i].sysval_semantic, reg);
 191                         break;
 192                     }
 193                 }
 194             }
 195             break;
 196
 197         default:
 198             break;
 199     }
 200 }
 201
 202 static void *shader_sm4_init(const DWORD *byte_code, const struct wined3d_shader_signature *output_signature)
 203 {
 204     struct wined3d_sm4_data *priv = HeapAlloc(GetProcessHeap(), 0, sizeof(*priv));
 205     if (!priv)
 206     {
 207         ERR("Failed to allocate private data\n");
 208         return NULL;
 209     }
 210
 211     priv->output_signature = output_signature;
 212
 213     return priv;
 214 }
 215
 216 static void shader_sm4_free(void *data)
 217 {
 218     HeapFree(GetProcessHeap(), 0, data);
 219 }
 220
 221 static void shader_sm4_read_header(void *data, const DWORD **ptr, struct wined3d_shader_version *shader_version)
 222 {
 223     struct wined3d_sm4_data *priv = data;
 224     DWORD version_token;
 225
 226     priv->end = *ptr;
 227
 228     version_token = *(*ptr)++;
 229     TRACE("version: 0x%08x\n", version_token);
 230
 231     TRACE("token count: %u\n", **ptr);
 232     priv->end += *(*ptr)++;
 233
 234     switch (version_token >> 16)
 235     {
 236         case WINED3D_SM4_PS:
 237             priv->shader_version.type = WINED3D_SHADER_TYPE_PIXEL;
 238             break;
 239
 240         case WINED3D_SM4_VS:
 241             priv->shader_version.type = WINED3D_SHADER_TYPE_VERTEX;
 242             break;
 243
 244         case WINED3D_SM4_GS:
 245             priv->shader_version.type = WINED3D_SHADER_TYPE_GEOMETRY;
 246             break;
 247
 248         default:
 249             FIXME("Unrecognized shader type %#x\n", version_token >> 16);
 250     }
 251     priv->shader_version.major = WINED3D_SM4_VERSION_MAJOR(version_token);
 252     priv->shader_version.minor = WINED3D_SM4_VERSION_MINOR(version_token);
 253
 254     *shader_version = priv->shader_version;
 255 }
 256
 257 static void shader_sm4_read_opcode(void *data, const DWORD **ptr, struct wined3d_shader_instruction *ins,
 258         UINT *param_size)
 259 {
 260     const struct wined3d_sm4_opcode_info *opcode_info;
 261     DWORD token = *(*ptr)++;
 262     DWORD opcode = token & WINED3D_SM4_OPCODE_MASK;
 263
 264     *param_size = ((token & WINED3D_SM4_INSTRUCTION_LENGTH_MASK) >> WINED3D_SM4_INSTRUCTION_LENGTH_SHIFT) - 1;
 265
 266     opcode_info = get_opcode_info(opcode);
 267     if (!opcode_info)
 268     {
 269         FIXME("Unrecognized opcode %#x, token 0x%08x\n", opcode, token);
 270         ins->handler_idx = WINED3DSIH_TABLE_SIZE;
 271         return;
 272     }
 273
 274     ins->handler_idx = opcode_info->handler_idx;
 275     ins->flags = 0;
 276     ins->coissue = 0;
 277     ins->predicate = 0;
 278     ins->dst_count = opcode_info->dst_count;
 279     ins->src_count = opcode_info->src_count;
 280 }
 281
 282 static void shader_sm4_read_src_param(void *data, const DWORD **ptr, struct wined3d_shader_src_param *src_param,
 283         struct wined3d_shader_src_param *src_rel_addr)
 284 {
 285     struct wined3d_sm4_data *priv = data;
 286     DWORD token = *(*ptr)++;
 287     enum wined3d_sm4_register_type register_type;
 288     DWORD order;
 289
 290     register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
 291     if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
 292     {
 293         FIXME("Unhandled register type %#x\n", register_type);
 294         src_param->reg.type = WINED3DSPR_TEMP;
 295     }
 296     else
 297     {
 298         src_param->reg.type = register_type_table[register_type];
 299     }
 300
 301     order = (token & WINED3D_SM4_REGISTER_ORDER_MASK) >> WINED3D_SM4_REGISTER_ORDER_SHIFT;
 302
 303     if (order < 1) src_param->reg.idx = ~0U;
 304     else src_param->reg.idx = *(*ptr)++;
 305
 306     if (order < 2) src_param->reg.array_idx = ~0U;
 307     else src_param->reg.array_idx = *(*ptr)++;
 308
 309     if (order > 2) FIXME("Unhandled order %u.\n", order);
 310
 311     if (register_type == WINED3D_SM4_RT_IMMCONST)
 312     {
 313         enum wined3d_sm4_immconst_type immconst_type =
 314                 (token & WINED3D_SM4_IMMCONST_TYPE_MASK) >> WINED3D_SM4_IMMCONST_TYPE_SHIFT;
 315         src_param->swizzle = WINED3DSP_NOSWIZZLE;
 316
 317         switch(immconst_type)
 318         {
 319             case WINED3D_SM4_IMMCONST_FLOAT:
 320                 src_param->reg.immconst_type = WINED3D_IMMCONST_FLOAT;
 321                 memcpy(src_param->reg.immconst_data, *ptr, 1 * sizeof(DWORD));
 322                 *ptr += 1;
 323                 break;
 324
 325             case WINED3D_SM4_IMMCONST_FLOAT4:
 326                 src_param->reg.immconst_type = WINED3D_IMMCONST_FLOAT4;
 327                 memcpy(src_param->reg.immconst_data, *ptr, 4 * sizeof(DWORD));
 328                 *ptr += 4;
 329                 break;
 330
 331             default:
 332                 FIXME("Unhandled immediate constant type %#x\n", immconst_type);
 333                 break;
 334         }
 335     }
 336     else
 337     {
 338         src_param->swizzle = (token & WINED3D_SM4_SWIZZLE_MASK) >> WINED3D_SM4_SWIZZLE_SHIFT;
 339     }
 340
 341     src_param->modifiers = 0;
 342     src_param->reg.rel_addr = NULL;
 343
 344     map_register(priv, &src_param->reg);
 345 }
 346
 347 static void shader_sm4_read_dst_param(void *data, const DWORD **ptr, struct wined3d_shader_dst_param *dst_param,
 348         struct wined3d_shader_src_param *dst_rel_addr)
 349 {
 350     struct wined3d_sm4_data *priv = data;
 351     DWORD token = *(*ptr)++;
 352     enum wined3d_sm4_register_type register_type;
 353     DWORD order;
 354
 355     register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
 356     if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
 357     {
 358         FIXME("Unhandled register type %#x\n", register_type);
 359         dst_param->reg.type = WINED3DSPR_TEMP;
 360     }
 361     else
 362     {
 363         dst_param->reg.type = register_type_table[register_type];
 364     }
 365
 366     order = (token & WINED3D_SM4_REGISTER_ORDER_MASK) >> WINED3D_SM4_REGISTER_ORDER_SHIFT;
 367
 368     if (order < 1) dst_param->reg.idx = ~0U;
 369     else dst_param->reg.idx = *(*ptr)++;
 370
 371     if (order < 2) dst_param->reg.array_idx = ~0U;
 372     else dst_param->reg.array_idx = *(*ptr)++;
 373
 374     if (order > 2) FIXME("Unhandled order %u.\n", order);
 375
 376     dst_param->write_mask = (token & WINED3D_SM4_WRITEMASK_MASK) >> WINED3D_SM4_WRITEMASK_SHIFT;
 377     dst_param->modifiers = 0;
 378     dst_param->shift = 0;
 379     dst_param->reg.rel_addr = NULL;
 380
 381     map_register(priv, &dst_param->reg);
 382 }
 383
 384 static void shader_sm4_read_semantic(const DWORD **ptr, struct wined3d_shader_semantic *semantic)
 385 {
 386     FIXME("ptr %p, semantic %p stub!\n", ptr, semantic);
 387 }
 388
 389 static void shader_sm4_read_comment(const DWORD **ptr, const char **comment)
 390 {
 391     FIXME("ptr %p, comment %p stub!\n", ptr, comment);
 392     *comment = NULL;
 393 }
 394
 395 static BOOL shader_sm4_is_end(void *data, const DWORD **ptr)
 396 {
 397     struct wined3d_sm4_data *priv = data;
 398     return *ptr == priv->end;
 399 }
 400
 401 const struct wined3d_shader_frontend sm4_shader_frontend =
 402 {
 403     shader_sm4_init,
 404     shader_sm4_free,
 405     shader_sm4_read_header,
 406     shader_sm4_read_opcode,
 407     shader_sm4_read_src_param,
 408     shader_sm4_read_dst_param,
 409     shader_sm4_read_semantic,
 410     shader_sm4_read_comment,
 411     shader_sm4_is_end,
 412 };