git.oblomov.eu Git - wine/blob - 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_TYPE_SHIFT         12
  32 #define WINED3D_SM4_REGISTER_TYPE_MASK          (0xf << WINED3D_SM4_REGISTER_TYPE_SHIFT)
  33
  34 #define WINED3D_SM4_IMMCONST_TYPE_SHIFT         0
  35 #define WINED3D_SM4_IMMCONST_TYPE_MASK          (0x3 << WINED3D_SM4_IMMCONST_TYPE_SHIFT)
  36
  37 #define WINED3D_SM4_WRITEMASK_SHIFT             4
  38 #define WINED3D_SM4_WRITEMASK_MASK              (0xf << WINED3D_SM4_WRITEMASK_SHIFT)
  39
  40 #define WINED3D_SM4_SWIZZLE_SHIFT               4
  41 #define WINED3D_SM4_SWIZZLE_MASK                (0xff << WINED3D_SM4_SWIZZLE_SHIFT)
  42
  43 enum wined3d_sm4_opcode
  44 {
  45     WINED3D_SM4_OP_ADD      = 0x00,
  46     WINED3D_SM4_OP_EXP      = 0x19,
  47     WINED3D_SM4_OP_MOV      = 0x36,
  48     WINED3D_SM4_OP_MUL      = 0x38,
  49     WINED3D_SM4_OP_RET      = 0x3e,
  50     WINED3D_SM4_OP_SINCOS   = 0x4d,
  51 };
  52
  53 enum wined3d_sm4_register_type
  54 {
  55     WINED3D_SM4_RT_TEMP     = 0x0,
  56     WINED3D_SM4_RT_INPUT    = 0x1,
  57     WINED3D_SM4_RT_OUTPUT   = 0x2,
  58     WINED3D_SM4_RT_IMMCONST = 0x4,
  59 };
  60
  61 enum wined3d_sm4_immconst_type
  62 {
  63     WINED3D_SM4_IMMCONST_FLOAT  = 0x1,
  64     WINED3D_SM4_IMMCONST_FLOAT4 = 0x2,
  65 };
  66
  67 struct wined3d_sm4_data
  68 {
  69     const DWORD *end;
  70 };
  71
  72 struct wined3d_sm4_opcode_info
  73 {
  74     enum wined3d_sm4_opcode opcode;
  75     enum WINED3D_SHADER_INSTRUCTION_HANDLER handler_idx;
  76     UINT dst_count;
  77     UINT src_count;
  78 };
  79
  80 static const struct wined3d_sm4_opcode_info opcode_table[] =
  81 {
  82     {WINED3D_SM4_OP_ADD,    WINED3DSIH_ADD,         1,  2},
  83     {WINED3D_SM4_OP_EXP,    WINED3DSIH_EXP,         1,  1},
  84     {WINED3D_SM4_OP_MOV,    WINED3DSIH_MOV,         1,  1},
  85     {WINED3D_SM4_OP_MUL,    WINED3DSIH_MUL,         1,  2},
  86     {WINED3D_SM4_OP_RET,    WINED3DSIH_RET,         0,  0},
  87     {WINED3D_SM4_OP_SINCOS, WINED3DSIH_SINCOS,      1,  2},
  88 };
  89
  90 static const WINED3DSHADER_PARAM_REGISTER_TYPE register_type_table[] =
  91 {
  92     /* WINED3D_SM4_RT_TEMP */       WINED3DSPR_TEMP,
  93     /* WINED3D_SM4_RT_INPUT */      WINED3DSPR_INPUT,
  94     /* WINED3D_SM4_RT_OUTPUT */     WINED3DSPR_OUTPUT,
  95     /* UNKNOWN */                   0,
  96     /* WINED3D_SM4_RT_IMMCONST */   WINED3DSPR_IMMCONST,
  97 };
  98
  99 static const struct wined3d_sm4_opcode_info *get_opcode_info(enum wined3d_sm4_opcode opcode)
 100 {
 101     unsigned int i;
 102
 103     for (i = 0; i < sizeof(opcode_table) / sizeof(*opcode_table); ++i)
 104     {
 105         if (opcode == opcode_table[i].opcode) return &opcode_table[i];
 106     }
 107
 108     return NULL;
 109 }
 110
 111 static void *shader_sm4_init(const DWORD *byte_code)
 112 {
 113     struct wined3d_sm4_data *priv = HeapAlloc(GetProcessHeap(), 0, sizeof(*priv));
 114     if (!priv)
 115     {
 116         ERR("Failed to allocate private data\n");
 117         return NULL;
 118     }
 119
 120     return priv;
 121 }
 122
 123 static void shader_sm4_free(void *data)
 124 {
 125     HeapFree(GetProcessHeap(), 0, data);
 126 }
 127
 128 static void shader_sm4_read_header(void *data, const DWORD **ptr, DWORD *shader_version)
 129 {
 130     struct wined3d_sm4_data *priv = data;
 131     priv->end = *ptr;
 132
 133     TRACE("version: 0x%08x\n", **ptr);
 134     *shader_version = *(*ptr)++;
 135     TRACE("token count: %u\n", **ptr);
 136     priv->end += *(*ptr)++;
 137 }
 138
 139 static void shader_sm4_read_opcode(void *data, const DWORD **ptr, struct wined3d_shader_instruction *ins,
 140         UINT *param_size, DWORD shader_version)
 141 {
 142     const struct wined3d_sm4_opcode_info *opcode_info;
 143     DWORD token = *(*ptr)++;
 144     DWORD opcode = token & WINED3D_SM4_OPCODE_MASK;
 145
 146     *param_size = ((token & WINED3D_SM4_INSTRUCTION_LENGTH_MASK) >> WINED3D_SM4_INSTRUCTION_LENGTH_SHIFT) - 1;
 147
 148     opcode_info = get_opcode_info(opcode);
 149     if (!opcode_info)
 150     {
 151         FIXME("Unrecognized opcode %#x, token 0x%08x\n", opcode, token);
 152         ins->handler_idx = WINED3DSIH_TABLE_SIZE;
 153         return;
 154     }
 155
 156     ins->handler_idx = opcode_info->handler_idx;
 157     ins->flags = 0;
 158     ins->coissue = 0;
 159     ins->predicate = 0;
 160     ins->dst_count = opcode_info->dst_count;
 161     ins->src_count = opcode_info->src_count;
 162 }
 163
 164 static void shader_sm4_read_src_param(const DWORD **ptr, struct wined3d_shader_src_param *src_param,
 165         struct wined3d_shader_src_param *src_rel_addr, DWORD shader_version)
 166 {
 167     DWORD token = *(*ptr)++;
 168     enum wined3d_sm4_register_type register_type;
 169
 170     register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
 171     if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
 172     {
 173         FIXME("Unhandled register type %#x\n", register_type);
 174         src_param->register_type = WINED3DSPR_TEMP;
 175     }
 176     else
 177     {
 178         src_param->register_type = register_type_table[register_type];
 179     }
 180
 181     if (register_type == WINED3D_SM4_RT_IMMCONST)
 182     {
 183         enum wined3d_sm4_immconst_type immconst_type =
 184                 (token & WINED3D_SM4_IMMCONST_TYPE_MASK) >> WINED3D_SM4_IMMCONST_TYPE_SHIFT;
 185         src_param->swizzle = WINED3DSP_NOSWIZZLE;
 186
 187         switch(immconst_type)
 188         {
 189             case WINED3D_SM4_IMMCONST_FLOAT:
 190                 src_param->immconst_type = WINED3D_IMMCONST_FLOAT;
 191                 memcpy(src_param->immconst_data, *ptr, 1 * sizeof(DWORD));
 192                 *ptr += 1;
 193                 break;
 194
 195             case WINED3D_SM4_IMMCONST_FLOAT4:
 196                 src_param->immconst_type = WINED3D_IMMCONST_FLOAT4;
 197                 memcpy(src_param->immconst_data, *ptr, 4 * sizeof(DWORD));
 198                 *ptr += 4;
 199                 break;
 200
 201             default:
 202                 FIXME("Unhandled immediate constant type %#x\n", immconst_type);
 203                 break;
 204         }
 205     }
 206     else
 207     {
 208         src_param->register_idx = *(*ptr)++;
 209         src_param->swizzle = (token & WINED3D_SM4_SWIZZLE_MASK) >> WINED3D_SM4_SWIZZLE_SHIFT;
 210     }
 211
 212     src_param->modifiers = 0;
 213     src_param->rel_addr = NULL;
 214 }
 215
 216 static void shader_sm4_read_dst_param(const DWORD **ptr, struct wined3d_shader_dst_param *dst_param,
 217         struct wined3d_shader_src_param *dst_rel_addr, DWORD shader_version)
 218 {
 219     DWORD token = *(*ptr)++;
 220     UINT register_idx = *(*ptr)++;
 221     enum wined3d_sm4_register_type register_type;
 222
 223     register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
 224     if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
 225     {
 226         FIXME("Unhandled register type %#x\n", register_type);
 227         dst_param->register_type = WINED3DSPR_TEMP;
 228     }
 229     else
 230     {
 231         dst_param->register_type = register_type_table[register_type];
 232     }
 233
 234     dst_param->register_idx = register_idx;
 235     dst_param->write_mask = (token & WINED3D_SM4_WRITEMASK_MASK) >> WINED3D_SM4_WRITEMASK_SHIFT;
 236     dst_param->modifiers = 0;
 237     dst_param->shift = 0;
 238     dst_param->rel_addr = NULL;
 239 }
 240
 241 static void shader_sm4_read_semantic(const DWORD **ptr, struct wined3d_shader_semantic *semantic)
 242 {
 243     FIXME("ptr %p, semantic %p stub!\n", ptr, semantic);
 244 }
 245
 246 static void shader_sm4_read_comment(const DWORD **ptr, const char **comment)
 247 {
 248     FIXME("ptr %p, comment %p stub!\n", ptr, comment);
 249     *comment = NULL;
 250 }
 251
 252 static BOOL shader_sm4_is_end(void *data, const DWORD **ptr)
 253 {
 254     struct wined3d_sm4_data *priv = data;
 255     return *ptr == priv->end;
 256 }
 257
 258 const struct wined3d_shader_frontend sm4_shader_frontend =
 259 {
 260     shader_sm4_init,
 261     shader_sm4_free,
 262     shader_sm4_read_header,
 263     shader_sm4_read_opcode,
 264     shader_sm4_read_src_param,
 265     shader_sm4_read_dst_param,
 266     shader_sm4_read_semantic,
 267     shader_sm4_read_comment,
 268     shader_sm4_is_end,
 269 };