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_register_type
  44 {
  45     WINED3D_SM4_RT_TEMP     = 0x0,
  46     WINED3D_SM4_RT_INPUT    = 0x1,
  47     WINED3D_SM4_RT_OUTPUT   = 0x2,
  48     WINED3D_SM4_RT_IMMCONST = 0x4,
  49 };
  50
  51 enum wined3d_sm4_immconst_type
  52 {
  53     WINED3D_SM4_IMMCONST_FLOAT  = 0x1,
  54     WINED3D_SM4_IMMCONST_FLOAT4 = 0x2,
  55 };
  56
  57 struct wined3d_sm4_data
  58 {
  59     const DWORD *end;
  60 };
  61
  62 static const WINED3DSHADER_PARAM_REGISTER_TYPE register_type_table[] =
  63 {
  64     /* WINED3D_SM4_RT_TEMP */       WINED3DSPR_TEMP,
  65     /* WINED3D_SM4_RT_INPUT */      WINED3DSPR_INPUT,
  66     /* WINED3D_SM4_RT_OUTPUT */     WINED3DSPR_OUTPUT,
  67     /* UNKNOWN */                   0,
  68     /* WINED3D_SM4_RT_IMMCONST */   WINED3DSPR_IMMCONST,
  69 };
  70
  71 static void *shader_sm4_init(const DWORD *byte_code)
  72 {
  73     struct wined3d_sm4_data *priv = HeapAlloc(GetProcessHeap(), 0, sizeof(*priv));
  74     if (!priv)
  75     {
  76         ERR("Failed to allocate private data\n");
  77         return NULL;
  78     }
  79
  80     return priv;
  81 }
  82
  83 static void shader_sm4_free(void *data)
  84 {
  85     HeapFree(GetProcessHeap(), 0, data);
  86 }
  87
  88 static void shader_sm4_read_header(void *data, const DWORD **ptr, DWORD *shader_version)
  89 {
  90     struct wined3d_sm4_data *priv = data;
  91     priv->end = *ptr;
  92
  93     TRACE("version: 0x%08x\n", **ptr);
  94     *shader_version = *(*ptr)++;
  95     TRACE("token count: %u\n", **ptr);
  96     priv->end += *(*ptr)++;
  97 }
  98
  99 static void shader_sm4_read_opcode(void *data, const DWORD **ptr, struct wined3d_shader_instruction *ins,
 100         UINT *param_size, DWORD shader_version)
 101 {
 102     DWORD token = *(*ptr)++;
 103     DWORD opcode = token & WINED3D_SM4_OPCODE_MASK;
 104
 105     FIXME("Unrecognized opcode %#x, token 0x%08x\n", opcode, token);
 106
 107     ins->handler_idx = WINED3DSIH_TABLE_SIZE;
 108     ins->flags = 0;
 109     ins->coissue = 0;
 110     ins->predicate = 0;
 111     ins->dst_count = 0;
 112     ins->src_count = 0;
 113     *param_size = ((token & WINED3D_SM4_INSTRUCTION_LENGTH_MASK) >> WINED3D_SM4_INSTRUCTION_LENGTH_SHIFT) - 1;
 114 }
 115
 116 static void shader_sm4_read_src_param(const DWORD **ptr, struct wined3d_shader_src_param *src_param,
 117         struct wined3d_shader_src_param *src_rel_addr, DWORD shader_version)
 118 {
 119     DWORD token = *(*ptr)++;
 120     enum wined3d_sm4_register_type register_type;
 121
 122     register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
 123     if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
 124     {
 125         FIXME("Unhandled register type %#x\n", register_type);
 126         src_param->register_type = WINED3DSPR_TEMP;
 127     }
 128     else
 129     {
 130         src_param->register_type = register_type_table[register_type];
 131     }
 132
 133     if (register_type == WINED3D_SM4_RT_IMMCONST)
 134     {
 135         enum wined3d_sm4_immconst_type immconst_type =
 136                 (token & WINED3D_SM4_IMMCONST_TYPE_MASK) >> WINED3D_SM4_IMMCONST_TYPE_SHIFT;
 137         src_param->swizzle = WINED3DSP_NOSWIZZLE;
 138
 139         switch(immconst_type)
 140         {
 141             case WINED3D_SM4_IMMCONST_FLOAT:
 142                 src_param->immconst_type = WINED3D_IMMCONST_FLOAT;
 143                 memcpy(src_param->immconst_data, *ptr, 1 * sizeof(DWORD));
 144                 *ptr += 1;
 145                 break;
 146
 147             case WINED3D_SM4_IMMCONST_FLOAT4:
 148                 src_param->immconst_type = WINED3D_IMMCONST_FLOAT4;
 149                 memcpy(src_param->immconst_data, *ptr, 4 * sizeof(DWORD));
 150                 *ptr += 4;
 151                 break;
 152
 153             default:
 154                 FIXME("Unhandled immediate constant type %#x\n", immconst_type);
 155                 break;
 156         }
 157     }
 158     else
 159     {
 160         src_param->register_idx = *(*ptr)++;
 161         src_param->swizzle = (token & WINED3D_SM4_SWIZZLE_MASK) >> WINED3D_SM4_SWIZZLE_SHIFT;
 162     }
 163
 164     src_param->modifiers = 0;
 165     src_param->rel_addr = NULL;
 166 }
 167
 168 static void shader_sm4_read_dst_param(const DWORD **ptr, struct wined3d_shader_dst_param *dst_param,
 169         struct wined3d_shader_src_param *dst_rel_addr, DWORD shader_version)
 170 {
 171     DWORD token = *(*ptr)++;
 172     UINT register_idx = *(*ptr)++;
 173     enum wined3d_sm4_register_type register_type;
 174
 175     register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
 176     if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
 177     {
 178         FIXME("Unhandled register type %#x\n", register_type);
 179         dst_param->register_type = WINED3DSPR_TEMP;
 180     }
 181     else
 182     {
 183         dst_param->register_type = register_type_table[register_type];
 184     }
 185
 186     dst_param->register_idx = register_idx;
 187     dst_param->write_mask = (token & WINED3D_SM4_WRITEMASK_MASK) >> WINED3D_SM4_WRITEMASK_SHIFT;
 188     dst_param->modifiers = 0;
 189     dst_param->shift = 0;
 190     dst_param->rel_addr = NULL;
 191 }
 192
 193 static void shader_sm4_read_semantic(const DWORD **ptr, struct wined3d_shader_semantic *semantic)
 194 {
 195     FIXME("ptr %p, semantic %p stub!\n", ptr, semantic);
 196 }
 197
 198 static void shader_sm4_read_comment(const DWORD **ptr, const char **comment)
 199 {
 200     FIXME("ptr %p, comment %p stub!\n", ptr, comment);
 201     *comment = NULL;
 202 }
 203
 204 static BOOL shader_sm4_is_end(void *data, const DWORD **ptr)
 205 {
 206     struct wined3d_sm4_data *priv = data;
 207     return *ptr == priv->end;
 208 }
 209
 210 const struct wined3d_shader_frontend sm4_shader_frontend =
 211 {
 212     shader_sm4_init,
 213     shader_sm4_free,
 214     shader_sm4_read_header,
 215     shader_sm4_read_opcode,
 216     shader_sm4_read_src_param,
 217     shader_sm4_read_dst_param,
 218     shader_sm4_read_semantic,
 219     shader_sm4_read_comment,
 220     shader_sm4_is_end,
 221 };