dlls/d3dx9_36/asmutils.c

   1 /*
   2  * Direct3D shader library utility routines
   3  *
   4  * Copyright 2008 Stefan Dösinger
   5  * Copyright 2009 Matteo Bruni
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  *
  21  */
  22
  23 #include "config.h"
  24 #include "wine/debug.h"
  25
  26 #include "d3dx9_36_private.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(asmshader);
  29
  30 /* bwriter -> d3d9 conversion functions */
  31 DWORD d3d9_swizzle(DWORD bwriter_swizzle) {
  32     /* Currently a NOP, but this allows changing the internal definitions
  33      * without side effects
  34      */
  35     DWORD ret = 0;
  36
  37     if((bwriter_swizzle & BWRITERVS_X_X) == BWRITERVS_X_X) ret |= D3DVS_X_X;
  38     if((bwriter_swizzle & BWRITERVS_X_Y) == BWRITERVS_X_Y) ret |= D3DVS_X_Y;
  39     if((bwriter_swizzle & BWRITERVS_X_Z) == BWRITERVS_X_Z) ret |= D3DVS_X_Z;
  40     if((bwriter_swizzle & BWRITERVS_X_W) == BWRITERVS_X_W) ret |= D3DVS_X_W;
  41
  42     if((bwriter_swizzle & BWRITERVS_Y_X) == BWRITERVS_Y_X) ret |= D3DVS_Y_X;
  43     if((bwriter_swizzle & BWRITERVS_Y_Y) == BWRITERVS_Y_Y) ret |= D3DVS_Y_Y;
  44     if((bwriter_swizzle & BWRITERVS_Y_Z) == BWRITERVS_Y_Z) ret |= D3DVS_Y_Z;
  45     if((bwriter_swizzle & BWRITERVS_Y_W) == BWRITERVS_Y_W) ret |= D3DVS_Y_W;
  46
  47     if((bwriter_swizzle & BWRITERVS_Z_X) == BWRITERVS_Z_X) ret |= D3DVS_Z_X;
  48     if((bwriter_swizzle & BWRITERVS_Z_Y) == BWRITERVS_Z_Y) ret |= D3DVS_Z_Y;
  49     if((bwriter_swizzle & BWRITERVS_Z_Z) == BWRITERVS_Z_Z) ret |= D3DVS_Z_Z;
  50     if((bwriter_swizzle & BWRITERVS_Z_W) == BWRITERVS_Z_W) ret |= D3DVS_Z_W;
  51
  52     if((bwriter_swizzle & BWRITERVS_W_X) == BWRITERVS_W_X) ret |= D3DVS_W_X;
  53     if((bwriter_swizzle & BWRITERVS_W_Y) == BWRITERVS_W_Y) ret |= D3DVS_W_Y;
  54     if((bwriter_swizzle & BWRITERVS_W_Z) == BWRITERVS_W_Z) ret |= D3DVS_W_Z;
  55     if((bwriter_swizzle & BWRITERVS_W_W) == BWRITERVS_W_W) ret |= D3DVS_W_W;
  56
  57     return ret;
  58 }
  59
  60 DWORD d3d9_writemask(DWORD bwriter_writemask) {
  61     DWORD ret = 0;
  62
  63     if(bwriter_writemask & BWRITERSP_WRITEMASK_0) ret |= D3DSP_WRITEMASK_0;
  64     if(bwriter_writemask & BWRITERSP_WRITEMASK_1) ret |= D3DSP_WRITEMASK_1;
  65     if(bwriter_writemask & BWRITERSP_WRITEMASK_2) ret |= D3DSP_WRITEMASK_2;
  66     if(bwriter_writemask & BWRITERSP_WRITEMASK_3) ret |= D3DSP_WRITEMASK_3;
  67
  68     return ret;
  69 }
  70
  71 DWORD d3d9_srcmod(DWORD bwriter_srcmod) {
  72     switch(bwriter_srcmod) {
  73         case BWRITERSPSM_NONE:       return D3DSPSM_NONE;
  74         case BWRITERSPSM_NEG:        return D3DSPSM_NEG;
  75         case BWRITERSPSM_ABS:        return D3DSPSM_ABS;
  76         case BWRITERSPSM_ABSNEG:     return D3DSPSM_ABSNEG;
  77         default:
  78             FIXME("Unhandled BWRITERSPSM token %u\n", bwriter_srcmod);
  79             return 0;
  80     }
  81 }
  82
  83 DWORD d3d9_dstmod(DWORD bwriter_mod) {
  84     DWORD ret = 0;
  85
  86     if(bwriter_mod & BWRITERSPDM_SATURATE)          ret |= D3DSPDM_SATURATE;
  87     if(bwriter_mod & BWRITERSPDM_PARTIALPRECISION)  ret |= D3DSPDM_PARTIALPRECISION;
  88     if(bwriter_mod & BWRITERSPDM_MSAMPCENTROID)     ret |= D3DSPDM_MSAMPCENTROID;
  89
  90     return ret;
  91 }
  92
  93 DWORD d3d9_register(DWORD bwriter_register) {
  94     if(bwriter_register == BWRITERSPR_TEMP)         return D3DSPR_TEMP;
  95     if(bwriter_register == BWRITERSPR_CONST)        return D3DSPR_CONST;
  96
  97     FIXME("Unexpected BWRITERSPR %u\n", bwriter_register);
  98     return -1;
  99 }
 100
 101 DWORD d3d9_opcode(DWORD bwriter_opcode) {
 102     switch(bwriter_opcode) {
 103         case BWRITERSIO_MOV:         return D3DSIO_MOV;
 104
 105         case BWRITERSIO_COMMENT:     return D3DSIO_COMMENT;
 106         case BWRITERSIO_END:         return D3DSIO_END;
 107
 108         default:
 109             FIXME("Unhandled BWRITERSIO token %u\n", bwriter_opcode);
 110             return -1;
 111     }
 112 }
 113
 114 /* Debug print functions */
 115 const char *debug_print_srcmod(DWORD mod) {
 116     switch(mod) {
 117         case BWRITERSPSM_NEG:       return "D3DSPSM_NEG";
 118         case BWRITERSPSM_ABS:       return "D3DSPSM_ABS";
 119         case BWRITERSPSM_ABSNEG:    return "D3DSPSM_ABSNEG";
 120         default:                    return "Unknown source modifier\n";
 121     }
 122 }
 123
 124 const char *debug_print_dstmod(DWORD mod) {
 125     switch(mod) {
 126         case 0:
 127             return "";
 128
 129         case BWRITERSPDM_SATURATE:
 130             return "_sat";
 131         case BWRITERSPDM_PARTIALPRECISION:
 132             return "_pp";
 133         case BWRITERSPDM_MSAMPCENTROID:
 134             return "_centroid";
 135
 136         case BWRITERSPDM_SATURATE | BWRITERSPDM_PARTIALPRECISION:
 137             return "_sat_pp";
 138         case BWRITERSPDM_SATURATE | BWRITERSPDM_MSAMPCENTROID:
 139             return "_sat_centroid";
 140         case BWRITERSPDM_PARTIALPRECISION | BWRITERSPDM_MSAMPCENTROID:
 141             return "_pp_centroid";
 142
 143         case BWRITERSPDM_SATURATE | BWRITERSPDM_PARTIALPRECISION | BWRITERSPDM_MSAMPCENTROID:
 144             return "_sat_pp_centroid";
 145
 146         default:
 147             return "Unexpected modifier\n";
 148     }
 149 }
 150
 151 static const char *get_regname(const struct shader_reg *reg, shader_type st) {
 152     switch(reg->type) {
 153         case BWRITERSPR_TEMP:
 154             return wine_dbg_sprintf("r%u", reg->regnum);
 155         case BWRITERSPR_CONST:
 156             return wine_dbg_sprintf("c%u", reg->regnum);
 157         default: return "unknown regname";
 158     }
 159 }
 160
 161 const char *debug_print_writemask(DWORD mask) {
 162     char ret[6];
 163     unsigned char pos = 1;
 164
 165     if(mask == BWRITERSP_WRITEMASK_ALL) return "";
 166     ret[0] = '.';
 167     if(mask & BWRITERSP_WRITEMASK_0) ret[pos++] = 'x';
 168     if(mask & BWRITERSP_WRITEMASK_1) ret[pos++] = 'y';
 169     if(mask & BWRITERSP_WRITEMASK_2) ret[pos++] = 'z';
 170     if(mask & BWRITERSP_WRITEMASK_3) ret[pos++] = 'w';
 171     ret[pos] = 0;
 172     return wine_dbg_sprintf("%s", ret);
 173 }
 174
 175 const char *debug_print_dstreg(const struct shader_reg *reg, shader_type st) {
 176     return wine_dbg_sprintf("%s%s", get_regname(reg, st),
 177                             debug_print_writemask(reg->writemask));
 178 }
 179
 180 const char *debug_print_swizzle(DWORD arg) {
 181     char ret[6];
 182     unsigned int i;
 183     DWORD swizzle[4];
 184
 185     switch(arg) {
 186         case BWRITERVS_NOSWIZZLE:
 187             return "";
 188         case BWRITERVS_SWIZZLE_X:
 189             return ".x";
 190         case BWRITERVS_SWIZZLE_Y:
 191             return ".y";
 192         case BWRITERVS_SWIZZLE_Z:
 193             return ".z";
 194         case BWRITERVS_SWIZZLE_W:
 195             return ".w";
 196     }
 197
 198     swizzle[0] = (arg >> (BWRITERVS_SWIZZLE_SHIFT + 0)) & 0x03;
 199     swizzle[1] = (arg >> (BWRITERVS_SWIZZLE_SHIFT + 2)) & 0x03;
 200     swizzle[2] = (arg >> (BWRITERVS_SWIZZLE_SHIFT + 4)) & 0x03;
 201     swizzle[3] = (arg >> (BWRITERVS_SWIZZLE_SHIFT + 6)) & 0x03;
 202
 203     ret[0] = '.';
 204     for(i = 0; i < 4; i++) {
 205         switch(swizzle[i]) {
 206             case 0: ret[1 + i] = 'x'; break;
 207             case 1: ret[1 + i] = 'y'; break;
 208             case 2: ret[1 + i] = 'z'; break;
 209             case 3: ret[1 + i] = 'w'; break;
 210         }
 211     }
 212     ret[5] = '\0';
 213     return wine_dbg_sprintf("%s", ret);
 214 }
 215
 216 const char *debug_print_srcreg(const struct shader_reg *reg, shader_type st) {
 217     switch(reg->srcmod) {
 218         case BWRITERSPSM_NONE:
 219             return wine_dbg_sprintf("%s%s", get_regname(reg, st),
 220                                     debug_print_swizzle(reg->swizzle));
 221         case BWRITERSPSM_NEG:
 222             return wine_dbg_sprintf("-%s%s", get_regname(reg, st),
 223                                     debug_print_swizzle(reg->swizzle));
 224         case BWRITERSPSM_ABS:
 225             return wine_dbg_sprintf("%s_abs%s", get_regname(reg, st),
 226                                     debug_print_swizzle(reg->swizzle));
 227         case BWRITERSPSM_ABSNEG:
 228             return wine_dbg_sprintf("-%s_abs%s", get_regname(reg, st),
 229                                     debug_print_swizzle(reg->swizzle));
 230     }
 231     return "Unknown modifier";
 232 }
 233
 234 const char *debug_print_opcode(DWORD opcode) {
 235     switch(opcode){
 236         case BWRITERSIO_MOV:          return "mov";
 237
 238         default:                      return "unknown";
 239     }
 240 }