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   1 /*
   2  * Fixed function pipeline replacement using GL_ATI_fragment_shader
   3  *
   4  * Copyright 2008 Stefan Dösinger(for CodeWeavers)
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <math.h>
  24 #include <stdio.h>
  25
  26 #include "wined3d_private.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
  29
  30 /* Some private defines, Constant associations, etc.
  31  * Env bump matrix and per stage constant should be independent,
  32  * a stage that bump maps can't read the per state constant
  33  */
  34 #define ATI_FFP_CONST_BUMPMAT(i) (GL_CON_0_ATI + i)
  35 #define ATI_FFP_CONST_CONSTANT0 GL_CON_0_ATI
  36 #define ATI_FFP_CONST_CONSTANT1 GL_CON_1_ATI
  37 #define ATI_FFP_CONST_CONSTANT2 GL_CON_2_ATI
  38 #define ATI_FFP_CONST_CONSTANT3 GL_CON_3_ATI
  39 #define ATI_FFP_CONST_CONSTANT4 GL_CON_4_ATI
  40 #define ATI_FFP_CONST_CONSTANT5 GL_CON_5_ATI
  41 #define ATI_FFP_CONST_TFACTOR   GL_CON_6_ATI
  42
  43 /* GL_ATI_fragment_shader specific fixed function pipeline description. "Inherits" from the common one */
  44 struct atifs_ffp_desc
  45 {
  46     struct ffp_frag_desc parent;
  47     GLuint shader;
  48     unsigned int num_textures_used;
  49 };
  50
  51 struct atifs_private_data
  52 {
  53     struct hash_table_t *fragment_shaders; /* A hashtable to track fragment pipeline replacement shaders */
  54
  55 };
  56
  57 static const char *debug_dstmod(GLuint mod) {
  58     switch(mod) {
  59         case GL_NONE:               return "GL_NONE";
  60         case GL_2X_BIT_ATI:         return "GL_2X_BIT_ATI";
  61         case GL_4X_BIT_ATI:         return "GL_4X_BIT_ATI";
  62         case GL_8X_BIT_ATI:         return "GL_8X_BIT_ATI";
  63         case GL_HALF_BIT_ATI:       return "GL_HALF_BIT_ATI";
  64         case GL_QUARTER_BIT_ATI:    return "GL_QUARTER_BIT_ATI";
  65         case GL_EIGHTH_BIT_ATI:     return "GL_EIGHTH_BIT_ATI";
  66         case GL_SATURATE_BIT_ATI:   return "GL_SATURATE_BIT_ATI";
  67         default:                    return "Unexpected modifier\n";
  68     }
  69 }
  70
  71 static const char *debug_argmod(GLuint mod) {
  72     switch(mod) {
  73         case GL_NONE:
  74             return "GL_NONE";
  75
  76         case GL_2X_BIT_ATI:
  77             return "GL_2X_BIT_ATI";
  78         case GL_COMP_BIT_ATI:
  79             return "GL_COMP_BIT_ATI";
  80         case GL_NEGATE_BIT_ATI:
  81             return "GL_NEGATE_BIT_ATI";
  82         case GL_BIAS_BIT_ATI:
  83             return "GL_BIAS_BIT_ATI";
  84
  85         case GL_2X_BIT_ATI | GL_COMP_BIT_ATI:
  86             return "GL_2X_BIT_ATI | GL_COMP_BIT_ATI";
  87         case GL_2X_BIT_ATI | GL_NEGATE_BIT_ATI:
  88             return "GL_2X_BIT_ATI | GL_NEGATE_BIT_ATI";
  89         case GL_2X_BIT_ATI | GL_BIAS_BIT_ATI:
  90             return "GL_2X_BIT_ATI | GL_BIAS_BIT_ATI";
  91         case GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI:
  92             return "GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI";
  93         case GL_COMP_BIT_ATI | GL_BIAS_BIT_ATI:
  94             return "GL_COMP_BIT_ATI | GL_BIAS_BIT_ATI";
  95         case GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI:
  96             return "GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI";
  97
  98         case GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI:
  99             return "GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI";
 100         case GL_2X_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI:
 101             return "GL_2X_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI";
 102         case GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_BIAS_BIT_ATI:
 103             return "GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_BIAS_BIT_ATI";
 104         case GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI:
 105             return "GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI";
 106
 107         case GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI:
 108             return "GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI";
 109
 110         default:
 111             return "Unexpected argmod combination\n";
 112     }
 113 }
 114 static const char *debug_register(GLuint reg) {
 115     switch(reg) {
 116         case GL_REG_0_ATI:                  return "GL_REG_0_ATI";
 117         case GL_REG_1_ATI:                  return "GL_REG_1_ATI";
 118         case GL_REG_2_ATI:                  return "GL_REG_2_ATI";
 119         case GL_REG_3_ATI:                  return "GL_REG_3_ATI";
 120         case GL_REG_4_ATI:                  return "GL_REG_4_ATI";
 121         case GL_REG_5_ATI:                  return "GL_REG_5_ATI";
 122
 123         case GL_CON_0_ATI:                  return "GL_CON_0_ATI";
 124         case GL_CON_1_ATI:                  return "GL_CON_1_ATI";
 125         case GL_CON_2_ATI:                  return "GL_CON_2_ATI";
 126         case GL_CON_3_ATI:                  return "GL_CON_3_ATI";
 127         case GL_CON_4_ATI:                  return "GL_CON_4_ATI";
 128         case GL_CON_5_ATI:                  return "GL_CON_5_ATI";
 129         case GL_CON_6_ATI:                  return "GL_CON_6_ATI";
 130         case GL_CON_7_ATI:                  return "GL_CON_7_ATI";
 131
 132         case GL_ZERO:                       return "GL_ZERO";
 133         case GL_ONE:                        return "GL_ONE";
 134         case GL_PRIMARY_COLOR:              return "GL_PRIMARY_COLOR";
 135         case GL_SECONDARY_INTERPOLATOR_ATI: return "GL_SECONDARY_INTERPOLATOR_ATI";
 136
 137         default:                            return "Unknown register\n";
 138     }
 139 }
 140
 141 static const char *debug_swizzle(GLuint swizzle) {
 142     switch(swizzle) {
 143         case GL_SWIZZLE_STR_ATI:        return "GL_SWIZZLE_STR_ATI";
 144         case GL_SWIZZLE_STQ_ATI:        return "GL_SWIZZLE_STQ_ATI";
 145         case GL_SWIZZLE_STR_DR_ATI:     return "GL_SWIZZLE_STR_DR_ATI";
 146         case GL_SWIZZLE_STQ_DQ_ATI:     return "GL_SWIZZLE_STQ_DQ_ATI";
 147         default:                        return "unknown swizzle";
 148     }
 149 }
 150
 151 static const char *debug_rep(GLuint rep) {
 152     switch(rep) {
 153         case GL_NONE:                   return "GL_NONE";
 154         case GL_RED:                    return "GL_RED";
 155         case GL_GREEN:                  return "GL_GREEN";
 156         case GL_BLUE:                   return "GL_BLUE";
 157         default:                        return "unknown argrep";
 158     }
 159 }
 160
 161 #define GLINFO_LOCATION (*gl_info)
 162 static GLuint register_for_arg(DWORD arg, WineD3D_GL_Info *gl_info, unsigned int stage, GLuint *mod, GLuint *rep, GLuint tmparg) {
 163     GLenum ret;
 164
 165     if(mod) *mod = GL_NONE;
 166     if(arg == ARG_UNUSED)
 167     {
 168         if (rep) *rep = GL_NONE;
 169         return -1; /* This is the marker for unused registers */
 170     }
 171
 172     switch(arg & WINED3DTA_SELECTMASK) {
 173         case WINED3DTA_DIFFUSE:
 174             ret = GL_PRIMARY_COLOR;
 175             break;
 176
 177         case WINED3DTA_CURRENT:
 178             /* Note that using GL_REG_0_ATI for the passed on register is safe because
 179              * texture0 is read at stage0, so in the worst case it is read in the
 180              * instruction writing to reg0. Afterwards texture0 is not used any longer.
 181              * If we're reading from current
 182              */
 183             if(stage == 0) {
 184                 ret = GL_PRIMARY_COLOR;
 185             } else {
 186                 ret = GL_REG_0_ATI;
 187             }
 188             break;
 189
 190         case WINED3DTA_TEXTURE:
 191             ret = GL_REG_0_ATI + stage;
 192             break;
 193
 194         case WINED3DTA_TFACTOR:
 195             ret = ATI_FFP_CONST_TFACTOR;
 196             break;
 197
 198         case WINED3DTA_SPECULAR:
 199             ret = GL_SECONDARY_INTERPOLATOR_ATI;
 200             break;
 201
 202         case WINED3DTA_TEMP:
 203             ret = tmparg;
 204             break;
 205
 206         case WINED3DTA_CONSTANT:
 207             FIXME("Unhandled source argument WINED3DTA_TEMP\n");
 208             ret = GL_CON_0_ATI;
 209             break;
 210
 211         default:
 212             FIXME("Unknown source argument %d\n", arg);
 213             ret = GL_ZERO;
 214     }
 215
 216     if(arg & WINED3DTA_COMPLEMENT) {
 217         if(mod) *mod |= GL_COMP_BIT_ATI;
 218     }
 219     if(arg & WINED3DTA_ALPHAREPLICATE) {
 220         if(rep) *rep = GL_ALPHA;
 221     } else {
 222         if(rep) *rep = GL_NONE;
 223     }
 224     return ret;
 225 }
 226
 227 static GLuint find_tmpreg(struct texture_stage_op op[MAX_TEXTURES]) {
 228     int lowest_read = -1;
 229     int lowest_write = -1;
 230     int i;
 231     BOOL tex_used[MAX_TEXTURES];
 232
 233     memset(tex_used, 0, sizeof(tex_used));
 234     for(i = 0; i < MAX_TEXTURES; i++) {
 235         if(op[i].cop == WINED3DTOP_DISABLE) {
 236             break;
 237         }
 238
 239         if(lowest_read == -1 &&
 240           (op[i].carg1 == WINED3DTA_TEMP || op[i].carg2 == WINED3DTA_TEMP || op[i].carg0 == WINED3DTA_TEMP ||
 241            op[i].aarg1 == WINED3DTA_TEMP || op[i].aarg2 == WINED3DTA_TEMP || op[i].aarg0 == WINED3DTA_TEMP)) {
 242             lowest_read = i;
 243         }
 244
 245         if(lowest_write == -1 && op[i].dst == tempreg) {
 246             lowest_write = i;
 247         }
 248
 249         if(op[i].carg1 == WINED3DTA_TEXTURE || op[i].carg2 == WINED3DTA_TEXTURE || op[i].carg0 == WINED3DTA_TEXTURE ||
 250            op[i].aarg1 == WINED3DTA_TEXTURE || op[i].aarg2 == WINED3DTA_TEXTURE || op[i].aarg0 == WINED3DTA_TEXTURE) {
 251             tex_used[i] = TRUE;
 252         }
 253     }
 254
 255     /* Temp reg not read? We don't need it, return GL_NONE */
 256     if(lowest_read == -1) return GL_NONE;
 257
 258     if(lowest_write >= lowest_read) {
 259         FIXME("Temp register read before being written\n");
 260     }
 261
 262     if(lowest_write == -1) {
 263         /* This needs a test. Maybe we are supposed to return 0.0/0.0/0.0/0.0, or fail drawprim, or whatever */
 264         FIXME("Temp register read without being written\n");
 265         return GL_REG_1_ATI;
 266     } else if(lowest_write >= 1) {
 267         /* If we're writing to the temp reg at earliest in stage 1, we can use register 1 for the temp result.
 268          * there may be texture data stored in reg 1, but we do not need it any longer since stage 1 already
 269          * read it
 270          */
 271         return GL_REG_1_ATI;
 272     } else {
 273         /* Search for a free texture register. We have 6 registers available. GL_REG_0_ATI is already used
 274          * for the regular result
 275          */
 276         for(i = 1; i < 6; i++) {
 277             if(!tex_used[i]) {
 278                 return GL_REG_0_ATI + i;
 279             }
 280         }
 281         /* What to do here? Report it in ValidateDevice? */
 282         FIXME("Could not find a register for the temporary register\n");
 283         return 0;
 284     }
 285 }
 286
 287 static GLuint gen_ati_shader(struct texture_stage_op op[MAX_TEXTURES], WineD3D_GL_Info *gl_info) {
 288     GLuint ret = GL_EXTCALL(glGenFragmentShadersATI(1));
 289     unsigned int stage;
 290     GLuint arg0, arg1, arg2, extrarg;
 291     GLuint dstmod, argmod0, argmod1, argmod2, argmodextra;
 292     GLuint rep0, rep1, rep2;
 293     GLuint swizzle;
 294     GLuint tmparg = find_tmpreg(op);
 295     GLuint dstreg;
 296
 297     if(!ret) {
 298         ERR("Failed to generate a GL_ATI_fragment_shader shader id\n");
 299         return 0;
 300     }
 301     GL_EXTCALL(glBindFragmentShaderATI(ret));
 302     checkGLcall("GL_EXTCALL(glBindFragmentShaderATI(ret))");
 303
 304     TRACE("glBeginFragmentShaderATI()\n");
 305     GL_EXTCALL(glBeginFragmentShaderATI());
 306     checkGLcall("GL_EXTCALL(glBeginFragmentShaderATI())");
 307
 308     /* Pass 1: Generate sampling instructions for perturbation maps */
 309       for(stage = 0; stage < GL_LIMITS(textures); stage++) {
 310         if(op[stage].cop == WINED3DTOP_DISABLE) break;
 311         if(op[stage].cop != WINED3DTOP_BUMPENVMAP &&
 312            op[stage].cop != WINED3DTOP_BUMPENVMAPLUMINANCE) continue;
 313
 314         TRACE("glSampleMapATI(GL_REG_%d_ATI, GL_TEXTURE_%d_ARB, GL_SWIZZLE_STR_ATI)\n",
 315               stage, stage);
 316         GL_EXTCALL(glSampleMapATI(GL_REG_0_ATI + stage,
 317                    GL_TEXTURE0_ARB + stage,
 318                    GL_SWIZZLE_STR_ATI));
 319         if(op[stage + 1].projected == proj_none) {
 320             swizzle = GL_SWIZZLE_STR_ATI;
 321         } else if(op[stage + 1].projected == proj_count4) {
 322             swizzle = GL_SWIZZLE_STQ_DQ_ATI;
 323         } else {
 324             swizzle = GL_SWIZZLE_STR_DR_ATI;
 325         }
 326         TRACE("glPassTexCoordATI(GL_REG_%d_ATI, GL_TEXTURE_%d_ARB, %s)\n",
 327               stage + 1, stage + 1, debug_swizzle(swizzle));
 328         GL_EXTCALL(glPassTexCoordATI(GL_REG_0_ATI + stage + 1,
 329                    GL_TEXTURE0_ARB + stage + 1,
 330                    swizzle));
 331
 332         /* We need GL_REG_5_ATI as a temporary register to swizzle the bump matrix. So we run into
 333          * issues if we're bump mapping on stage 4 or 5
 334          */
 335         if(stage >= 4) {
 336             FIXME("Bump mapping in stage %d\n", stage);
 337         }
 338     }
 339
 340     /* Pass 2: Generate perturbation calculations */
 341     for(stage = 0; stage < GL_LIMITS(textures); stage++) {
 342         if(op[stage].cop == WINED3DTOP_DISABLE) break;
 343         if(op[stage].cop != WINED3DTOP_BUMPENVMAP &&
 344            op[stage].cop != WINED3DTOP_BUMPENVMAPLUMINANCE) continue;
 345
 346         /* Nice thing, we get the color correction for free :-) */
 347         if(op[stage].color_correction == WINED3DFMT_V8U8) {
 348             argmodextra = GL_2X_BIT_ATI | GL_BIAS_BIT_ATI;
 349         } else {
 350             argmodextra = 0;
 351         }
 352
 353         TRACE("glColorFragmentOp3ATI(GL_DOT2_ADD_ATI, GL_REG_%d_ATI, GL_RED_BIT_ATI, GL_NONE, GL_REG_%d_ATI, GL_NONE, %s, ATI_FFP_CONST_BUMPMAT(%d), GL_NONE, GL_NONE, GL_REG_%d_ATI, GL_RED, GL_NONE)\n",
 354               stage + 1, stage, debug_argmod(argmodextra), stage, stage + 1);
 355         GL_EXTCALL(glColorFragmentOp3ATI(GL_DOT2_ADD_ATI, GL_REG_0_ATI + stage + 1, GL_RED_BIT_ATI, GL_NONE,
 356                                          GL_REG_0_ATI + stage, GL_NONE, argmodextra,
 357                                          ATI_FFP_CONST_BUMPMAT(stage), GL_NONE, GL_2X_BIT_ATI | GL_BIAS_BIT_ATI,
 358                                          GL_REG_0_ATI + stage + 1, GL_RED, GL_NONE));
 359
 360         /* FIXME: How can I make GL_DOT2_ADD_ATI read the factors from blue and alpha? It defaults to red and green,
 361          * and it is fairly easy to make it read GL_BLUE or BL_ALPHA, but I can't get an R * B + G * A. So we're wasting
 362          * one register and two instructions in this pass for a simple swizzling operation.
 363          * For starters it might be good enough to merge the two movs into one, but even that isn't possible :-(
 364          *
 365          * NOTE: GL_BLUE | GL_ALPHA is not possible. It doesn't throw a compilation error, but an OR operation on the
 366          * constants doesn't make sense, considering their values.
 367          */
 368         TRACE("glColorFragmentOp1ATI(GL_MOV_ATI, GL_REG_5_ATI, GL_RED_BIT_ATI, GL_NONE, ATI_FFP_CONST_BUMPMAT(%d), GL_BLUE, GL_NONE)\n", stage);
 369         GL_EXTCALL(glColorFragmentOp1ATI(GL_MOV_ATI, GL_REG_5_ATI, GL_RED_BIT_ATI, GL_NONE,
 370                                          ATI_FFP_CONST_BUMPMAT(stage), GL_BLUE, GL_NONE));
 371         TRACE("glColorFragmentOp1ATI(GL_MOV_ATI, GL_REG_5_ATI, GL_GREEN_BIT_ATI, GL_NONE, ATI_FFP_CONST_BUMPMAT(%d), GL_ALPHA, GL_NONE)\n", stage);
 372         GL_EXTCALL(glColorFragmentOp1ATI(GL_MOV_ATI, GL_REG_5_ATI, GL_GREEN_BIT_ATI, GL_NONE,
 373                                         ATI_FFP_CONST_BUMPMAT(stage), GL_ALPHA, GL_NONE));
 374         TRACE("glColorFragmentOp3ATI(GL_DOT2_ADD_ATI, GL_REG_%d_ATI, GL_GREEN_BIT_ATI, GL_NONE, GL_REG_%d_ATI, GL_NONE, %s, GL_REG_5_ATI, GL_NONE, GL_NONE, GL_REG_%d_ATI, GL_GREEN, GL_NONE)\n",
 375               stage + 1, stage, debug_argmod(argmodextra), stage + 1);
 376         GL_EXTCALL(glColorFragmentOp3ATI(GL_DOT2_ADD_ATI, GL_REG_0_ATI + stage + 1, GL_GREEN_BIT_ATI, GL_NONE,
 377                                          GL_REG_0_ATI + stage, GL_NONE, argmodextra,
 378                                          GL_REG_5_ATI, GL_NONE, GL_2X_BIT_ATI | GL_BIAS_BIT_ATI,
 379                                          GL_REG_0_ATI + stage + 1, GL_GREEN, GL_NONE));
 380     }
 381
 382     /* Pass 3: Generate sampling instructions for regular textures */
 383     for(stage = 0; stage < GL_LIMITS(textures); stage++) {
 384         if(op[stage].cop == WINED3DTOP_DISABLE) {
 385             break;
 386         }
 387
 388         if(op[stage].projected == proj_none) {
 389             swizzle = GL_SWIZZLE_STR_ATI;
 390         } else if(op[stage].projected == proj_count3) {
 391             swizzle = GL_SWIZZLE_STR_DR_ATI;
 392         } else {
 393             swizzle = GL_SWIZZLE_STQ_DQ_ATI;
 394         }
 395
 396         if((op[stage].carg0 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 397            (op[stage].carg1 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 398            (op[stage].carg2 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 399            (op[stage].aarg0 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 400            (op[stage].aarg1 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 401            (op[stage].aarg2 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 402             op[stage].cop == WINED3DTOP_BLENDTEXTUREALPHA) {
 403
 404             if(stage > 0 &&
 405                (op[stage - 1].cop == WINED3DTOP_BUMPENVMAP ||
 406                 op[stage - 1].cop == WINED3DTOP_BUMPENVMAPLUMINANCE)) {
 407                 TRACE("glSampleMapATI(GL_REG_%d_ATI, GL_REG_%d_ATI, GL_SWIZZLE_STR_ATI)\n",
 408                       stage, stage);
 409                 GL_EXTCALL(glSampleMapATI(GL_REG_0_ATI + stage,
 410                            GL_REG_0_ATI + stage,
 411                            GL_SWIZZLE_STR_ATI));
 412             } else {
 413                 TRACE("glSampleMapATI(GL_REG_%d_ATI, GL_TEXTURE_%d_ARB, %s)\n",
 414                     stage, stage, debug_swizzle(swizzle));
 415                 GL_EXTCALL(glSampleMapATI(GL_REG_0_ATI + stage,
 416                                         GL_TEXTURE0_ARB + stage,
 417                                         swizzle));
 418             }
 419         }
 420     }
 421
 422     /* Pass 4: Generate the arithmetic instructions */
 423     for(stage = 0; stage < MAX_TEXTURES; stage++) {
 424         if(op[stage].cop == WINED3DTOP_DISABLE) {
 425             if(stage == 0) {
 426                 /* Handle complete texture disabling gracefully */
 427                 TRACE("glColorFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE, GL_NONE, GL_PRIMARY_COLOR, GL_NONE, GL_NONE)\n");
 428                 GL_EXTCALL(glColorFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE, GL_NONE,
 429                                                  GL_PRIMARY_COLOR, GL_NONE, GL_NONE));
 430                 TRACE("glAlphaFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE, GL_PRIMARY_COLOR, GL_NONE, GL_NONE)\n");
 431                 GL_EXTCALL(glAlphaFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE,
 432                                                  GL_PRIMARY_COLOR, GL_NONE, GL_NONE));
 433             }
 434             break;
 435         }
 436
 437         if(op[stage].dst == tempreg) {
 438             /* If we're writing to D3DTA_TEMP, but never reading from it we don't have to write there in the first place.
 439              * skip the entire stage, this saves some GPU time
 440              */
 441             if(tmparg == GL_NONE) continue;
 442
 443             dstreg = tmparg;
 444         } else {
 445             dstreg = GL_REG_0_ATI;
 446         }
 447
 448         arg0 = register_for_arg(op[stage].carg0, gl_info, stage, &argmod0, &rep0, tmparg);
 449         arg1 = register_for_arg(op[stage].carg1, gl_info, stage, &argmod1, &rep1, tmparg);
 450         arg2 = register_for_arg(op[stage].carg2, gl_info, stage, &argmod2, &rep2, tmparg);
 451         dstmod = GL_NONE;
 452         argmodextra = GL_NONE;
 453         extrarg = GL_NONE;
 454
 455         switch(op[stage].cop) {
 456             case WINED3DTOP_SELECTARG2:
 457                 arg1 = arg2;
 458                 argmod1 = argmod2;
 459                 rep1 = rep2;
 460             case WINED3DTOP_SELECTARG1:
 461                 TRACE("glColorFragmentOp1ATI(GL_MOV_ATI, %s, GL_NONE, GL_NONE, %s, %s, %s)\n",
 462                       debug_register(dstreg), debug_register(arg1), debug_rep(rep1), debug_argmod(argmod1));
 463                 GL_EXTCALL(glColorFragmentOp1ATI(GL_MOV_ATI, dstreg, GL_NONE, GL_NONE,
 464                                                  arg1, rep1, argmod1));
 465                 break;
 466
 467             case WINED3DTOP_MODULATE4X:
 468                 if(dstmod == GL_NONE) dstmod = GL_4X_BIT_ATI;
 469             case WINED3DTOP_MODULATE2X:
 470                 if(dstmod == GL_NONE) dstmod = GL_2X_BIT_ATI;
 471                 dstmod |= GL_SATURATE_BIT_ATI;
 472             case WINED3DTOP_MODULATE:
 473                 TRACE("glColorFragmentOp2ATI(GL_MUL_ATI, %s, GL_NONE, %s, %s, %s, %s, %s, %s, %s)\n",
 474                       debug_register(dstreg), debug_dstmod(dstmod),
 475                       debug_register(arg1), debug_rep(rep1), debug_argmod(argmod1),
 476                       debug_register(arg2), debug_rep(rep2), debug_argmod(argmod2));
 477                 GL_EXTCALL(glColorFragmentOp2ATI(GL_MUL_ATI, dstreg, GL_NONE, dstmod,
 478                                                  arg1, rep1, argmod1,
 479                                                  arg2, rep2, argmod2));
 480                 break;
 481
 482             case WINED3DTOP_ADDSIGNED2X:
 483                 dstmod = GL_2X_BIT_ATI;
 484             case WINED3DTOP_ADDSIGNED:
 485                 argmodextra = GL_BIAS_BIT_ATI;
 486             case WINED3DTOP_ADD:
 487                 dstmod |= GL_SATURATE_BIT_ATI;
 488                 TRACE("glColorFragmentOp2ATI(GL_ADD_ATI, %s, GL_NONE, %s, %s, %s, %s, %s, %s, %s)\n",
 489                       debug_register(dstreg), debug_dstmod(dstmod),
 490                       debug_register(arg1), debug_rep(rep1), debug_argmod(argmod1),
 491                       debug_register(arg2), debug_rep(rep2), debug_argmod(argmodextra | argmod2));
 492                 GL_EXTCALL(glColorFragmentOp2ATI(GL_ADD_ATI, GL_REG_0_ATI, GL_NONE, dstmod,
 493                                                  arg1, rep1, argmod1,
 494                                                  arg2, rep2, argmodextra | argmod2));
 495                 break;
 496
 497             case WINED3DTOP_SUBTRACT:
 498                 dstmod |= GL_SATURATE_BIT_ATI;
 499                 TRACE("glColorFragmentOp2ATI(GL_SUB_ATI, %s, GL_NONE, %s, %s, %s, %s, %s, %s, %s)\n",
 500                       debug_register(dstreg), debug_dstmod(dstmod),
 501                       debug_register(arg1), debug_rep(rep1), debug_argmod(argmod1),
 502                       debug_register(arg2), debug_rep(rep2), debug_argmod(argmod2));
 503                 GL_EXTCALL(glColorFragmentOp2ATI(GL_SUB_ATI, dstreg, GL_NONE, dstmod,
 504                                                  arg1, rep1, argmod1,
 505                                                  arg2, rep2, argmod2));
 506                 break;
 507
 508             case WINED3DTOP_ADDSMOOTH:
 509                 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
 510                 TRACE("glColorFragmentOp3ATI(GL_MAD_ATI, %s, GL_NONE, GL_SATURATE_BIT_ATI, %s, %s, %s, %s, %s, %s, %s, %s, %s)\n",
 511                       debug_register(dstreg),
 512                       debug_register(arg2), debug_rep(rep2), debug_argmod(argmod2),
 513                       debug_register(arg1), debug_rep(rep1), debug_argmod(argmodextra),
 514                       debug_register(arg1), debug_rep(rep1), debug_argmod(argmod1));
 515                 /* Dst = arg1 + * arg2(1 -arg 1)
 516                  *     = arg2 * (1 - arg1) + arg1
 517                  */
 518                 GL_EXTCALL(glColorFragmentOp3ATI(GL_MAD_ATI, dstreg, GL_NONE, GL_SATURATE_BIT_ATI,
 519                                                  arg2, rep2, argmod2,
 520                                                  arg1, rep1, argmodextra,
 521                                                  arg1, rep1, argmod1));
 522                 break;
 523
 524             case WINED3DTOP_BLENDCURRENTALPHA:
 525                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_CURRENT, gl_info, stage, NULL, NULL, -1);
 526             case WINED3DTOP_BLENDFACTORALPHA:
 527                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TFACTOR, gl_info, stage, NULL, NULL, -1);
 528             case WINED3DTOP_BLENDTEXTUREALPHA:
 529                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, NULL, -1);
 530             case WINED3DTOP_BLENDDIFFUSEALPHA:
 531                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_DIFFUSE, gl_info, stage, NULL, NULL, -1);
 532                 TRACE("glColorFragmentOp3ATI(GL_LERP_ATI, %s, GL_NONE, GL_NONE, %s, GL_ALPHA, GL_NONE, %s, %s, %s, %s, %s, %s)\n",
 533                       debug_register(dstreg),
 534                       debug_register(extrarg),
 535                       debug_register(arg1), debug_rep(rep1), debug_argmod(argmod1),
 536                       debug_register(arg2), debug_rep(rep2), debug_argmod(argmod2));
 537                 GL_EXTCALL(glColorFragmentOp3ATI(GL_LERP_ATI, dstreg, GL_NONE, GL_NONE,
 538                                                  extrarg, GL_ALPHA, GL_NONE,
 539                                                  arg1, rep1, argmod1,
 540                                                  arg2, rep2, argmod2));
 541                 break;
 542
 543             case WINED3DTOP_BLENDTEXTUREALPHAPM:
 544                 arg0 = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, NULL, -1);
 545                 TRACE("glColorFragmentOp3ATI(GL_MAD_ATI, %s, GL_NONE, GL_NONE, %s, %s, %s, %s, GL_ALPHA, GL_COMP_BIT_ATI, %s, %s, %s)\n",
 546                       debug_register(dstreg),
 547                       debug_register(arg2), debug_rep(rep2), debug_argmod(argmod2),
 548                       debug_register(arg0),
 549                       debug_register(arg1), debug_rep(rep1), debug_argmod(argmod1));
 550                 GL_EXTCALL(glColorFragmentOp3ATI(GL_MAD_ATI, dstreg, GL_NONE, GL_NONE,
 551                                                  arg2, rep2,  argmod2,
 552                                                  arg0, GL_ALPHA, GL_COMP_BIT_ATI,
 553                                                  arg1, rep1,  argmod1));
 554                 break;
 555
 556             /* D3DTOP_PREMODULATE ???? */
 557
 558             case WINED3DTOP_MODULATEINVALPHA_ADDCOLOR:
 559                 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
 560             case WINED3DTOP_MODULATEALPHA_ADDCOLOR:
 561                 if(!argmodextra) argmodextra = argmod1;
 562                 TRACE("glColorFragmentOp3ATI(GL_MAD_ATI, %s, GL_NONE, GL_SATURATE_BIT_ATI, %s, %s, %s, %s, GL_ALPHA, %s, %s, %s, %s)\n",
 563                       debug_register(dstreg),
 564                       debug_register(arg2), debug_rep(rep2), debug_argmod(argmod2),
 565                       debug_register(arg1), debug_argmod(argmodextra), debug_register(arg1), debug_rep(rep1), debug_argmod(arg1));
 566                 GL_EXTCALL(glColorFragmentOp3ATI(GL_MAD_ATI, dstreg, GL_NONE, GL_SATURATE_BIT_ATI,
 567                                                  arg2, rep2,  argmod2,
 568                                                  arg1, GL_ALPHA, argmodextra,
 569                                                  arg1, rep1,  argmod1));
 570                 break;
 571
 572             case WINED3DTOP_MODULATEINVCOLOR_ADDALPHA:
 573                 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
 574             case WINED3DTOP_MODULATECOLOR_ADDALPHA:
 575                 if(!argmodextra) argmodextra = argmod1;
 576                 TRACE("glColorFragmentOp3ATI(GL_MAD_ATI, %s, GL_NONE, GL_SATURATE_BIT_ATI, %s, %s, %s, %s, %s, %s, %s, GL_ALPHA, %s)\n",
 577                       debug_register(dstreg),
 578                       debug_register(arg2), debug_rep(rep2), debug_argmod(argmod2),
 579                       debug_register(arg1), debug_rep(rep1), debug_argmod(argmodextra),
 580                       debug_register(arg1), debug_argmod(argmod1));
 581                 GL_EXTCALL(glColorFragmentOp3ATI(GL_MAD_ATI, dstreg, GL_NONE, GL_SATURATE_BIT_ATI,
 582                                                  arg2, rep2,  argmod2,
 583                                                  arg1, rep1,  argmodextra,
 584                                                  arg1, GL_ALPHA, argmod1));
 585                 break;
 586
 587             case WINED3DTOP_DOTPRODUCT3:
 588                 TRACE("glColorFragmentOp2ATI(GL_DOT3_ATI, %s, GL_NONE, GL_4X_BIT_ATI | GL_SATURATE_BIT_ATI, %s, %s, %s, %s, %s, %s)\n",
 589                       debug_register(dstreg),
 590                       debug_register(arg1), debug_rep(rep1), debug_argmod(argmod1 | GL_BIAS_BIT_ATI),
 591                       debug_register(arg2), debug_rep(rep2), debug_argmod(argmod2 | GL_BIAS_BIT_ATI));
 592                 GL_EXTCALL(glColorFragmentOp2ATI(GL_DOT3_ATI, dstreg, GL_NONE, GL_4X_BIT_ATI | GL_SATURATE_BIT_ATI,
 593                                                  arg1, rep1, argmod1 | GL_BIAS_BIT_ATI,
 594                                                  arg2, rep2, argmod2 | GL_BIAS_BIT_ATI));
 595                 break;
 596
 597             case WINED3DTOP_MULTIPLYADD:
 598                 TRACE("glColorFragmentOp3ATI(GL_MAD_ATI, %s, GL_NONE, GL_SATURATE_BIT_ATI, %s, %s, %s, %s, %s, %s, %s, %s, %s)\n",
 599                       debug_register(dstreg),
 600                       debug_register(arg1), debug_rep(rep1), debug_argmod(argmod1),
 601                       debug_register(arg2), debug_rep(rep2), debug_argmod(argmod2),
 602                       debug_register(arg0), debug_rep(rep0), debug_argmod(argmod0));
 603                 GL_EXTCALL(glColorFragmentOp3ATI(GL_MAD_ATI, dstreg, GL_NONE, GL_SATURATE_BIT_ATI,
 604                                                  arg1, rep1, argmod1,
 605                                                  arg2, rep2, argmod2,
 606                                                  arg0, rep0, argmod0));
 607                 break;
 608
 609             case WINED3DTOP_LERP:
 610                 TRACE("glColorFragmentOp3ATI(GL_LERP_ATI, %s, GL_NONE, GL_NONE, %s, %s, %s, %s, %s, %s, %s, %s, %s)\n",
 611                       debug_register(dstreg),
 612                       debug_register(arg1), debug_rep(rep1), debug_argmod(argmod1),
 613                       debug_register(arg2), debug_rep(rep2), debug_argmod(argmod2),
 614                       debug_register(arg0), debug_rep(rep0), debug_argmod(argmod0));
 615                 GL_EXTCALL(glColorFragmentOp3ATI(GL_LERP_ATI, dstreg, GL_NONE, GL_NONE,
 616                                                  arg0, rep0, argmod0,
 617                                                  arg1, rep1, argmod1,
 618                                                  arg2, rep2, argmod2));
 619                 break;
 620
 621             case WINED3DTOP_BUMPENVMAP:
 622             case WINED3DTOP_BUMPENVMAPLUMINANCE:
 623                 /* Those are handled in the first pass of the shader(generation pass 1 and 2) already */
 624                 break;
 625
 626             default: FIXME("Unhandled color operation %d on stage %d\n", op[stage].cop, stage);
 627         }
 628
 629         arg0 = register_for_arg(op[stage].aarg0, gl_info, stage, &argmod0, NULL, tmparg);
 630         arg1 = register_for_arg(op[stage].aarg1, gl_info, stage, &argmod1, NULL, tmparg);
 631         arg2 = register_for_arg(op[stage].aarg2, gl_info, stage, &argmod2, NULL, tmparg);
 632         dstmod = GL_NONE;
 633         argmodextra = GL_NONE;
 634         extrarg = GL_NONE;
 635
 636         switch(op[stage].aop) {
 637             case WINED3DTOP_DISABLE:
 638                 /* Get the primary color to the output if on stage 0, otherwise leave register 0 untouched */
 639                 if(stage == 0) {
 640                     TRACE("glAlphaFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE, GL_PRIMARY_COLOR, GL_NONE, GL_NONE)\n");
 641                     GL_EXTCALL(glAlphaFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE,
 642                                GL_PRIMARY_COLOR, GL_NONE, GL_NONE));
 643                 }
 644                 break;
 645
 646             case WINED3DTOP_SELECTARG2:
 647                 arg1 = arg2;
 648                 argmod1 = argmod2;
 649             case WINED3DTOP_SELECTARG1:
 650                 TRACE("glAlphaFragmentOp1ATI(GL_MOV_ATI, %s,          GL_NONE, %s, GL_NONE, %s)\n",
 651                       debug_register(dstreg),
 652                       debug_register(arg1), debug_argmod(argmod1));
 653                 GL_EXTCALL(glAlphaFragmentOp1ATI(GL_MOV_ATI, dstreg, GL_NONE,
 654                                                  arg1, GL_NONE, argmod1));
 655                 break;
 656
 657             case WINED3DTOP_MODULATE4X:
 658                 if(dstmod == GL_NONE) dstmod = GL_4X_BIT_ATI;
 659             case WINED3DTOP_MODULATE2X:
 660                 if(dstmod == GL_NONE) dstmod = GL_2X_BIT_ATI;
 661                 dstmod |= GL_SATURATE_BIT_ATI;
 662             case WINED3DTOP_MODULATE:
 663                 TRACE("glAlphaFragmentOp2ATI(GL_MUL_ATI, %s,          %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 664                       debug_register(dstreg), debug_dstmod(dstmod),
 665                       debug_register(arg1), debug_argmod(argmod1),
 666                       debug_register(arg2), debug_argmod(argmod2));
 667                 GL_EXTCALL(glAlphaFragmentOp2ATI(GL_MUL_ATI, dstreg, dstmod,
 668                                                  arg1, GL_NONE, argmod1,
 669                                                  arg2, GL_NONE, argmod2));
 670                 break;
 671
 672             case WINED3DTOP_ADDSIGNED2X:
 673                 dstmod = GL_2X_BIT_ATI;
 674             case WINED3DTOP_ADDSIGNED:
 675                 argmodextra = GL_BIAS_BIT_ATI;
 676             case WINED3DTOP_ADD:
 677                 dstmod |= GL_SATURATE_BIT_ATI;
 678                 TRACE("glAlphaFragmentOp2ATI(GL_ADD_ATI, %s,          %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 679                       debug_register(dstreg), debug_dstmod(dstmod),
 680                       debug_register(arg1), debug_argmod(argmod1),
 681                       debug_register(arg2), debug_argmod(argmodextra | argmod2));
 682                 GL_EXTCALL(glAlphaFragmentOp2ATI(GL_ADD_ATI, dstreg, dstmod,
 683                                                  arg1, GL_NONE, argmod1,
 684                                                  arg2, GL_NONE, argmodextra | argmod2));
 685                 break;
 686
 687             case WINED3DTOP_SUBTRACT:
 688                 dstmod |= GL_SATURATE_BIT_ATI;
 689                 TRACE("glAlphaFragmentOp2ATI(GL_SUB_ATI, %s, GL_NONE, %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 690                       debug_register(dstreg), debug_dstmod(dstmod),
 691                       debug_register(arg1), debug_argmod(argmod1),
 692                       debug_register(arg2), debug_argmod(argmod2));
 693                 GL_EXTCALL(glAlphaFragmentOp2ATI(GL_SUB_ATI, dstreg, dstmod,
 694                                                  arg1, GL_NONE, argmod1,
 695                                                  arg2, GL_NONE, argmod2));
 696                 break;
 697
 698             case WINED3DTOP_ADDSMOOTH:
 699                 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
 700                 TRACE("glAlphaFragmentOp3ATI(GL_MAD_ATI, %s,          GL_SATURATE_BIT_ATI, %s, GL_NONE, %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 701                       debug_register(dstreg),
 702                       debug_register(arg2), debug_argmod(argmod2),
 703                       debug_register(arg1), debug_argmod(argmodextra),
 704                       debug_register(arg1), debug_argmod(argmod1));
 705                 /* Dst = arg1 + * arg2(1 -arg 1)
 706                  *     = arg2 * (1 - arg1) + arg1
 707                  */
 708                 GL_EXTCALL(glAlphaFragmentOp3ATI(GL_MAD_ATI, dstreg, GL_SATURATE_BIT_ATI,
 709                                                  arg2, GL_NONE, argmod2,
 710                                                  arg1, GL_NONE, argmodextra,
 711                                                  arg1, GL_NONE, argmod1));
 712                 break;
 713
 714             case WINED3DTOP_BLENDCURRENTALPHA:
 715                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_CURRENT, gl_info, stage, NULL, NULL, -1);
 716             case WINED3DTOP_BLENDFACTORALPHA:
 717                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TFACTOR, gl_info, stage, NULL, NULL, -1);
 718             case WINED3DTOP_BLENDTEXTUREALPHA:
 719                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, NULL, -1);
 720             case WINED3DTOP_BLENDDIFFUSEALPHA:
 721                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_DIFFUSE, gl_info, stage, NULL, NULL, -1);
 722                 TRACE("glAlphaFragmentOp3ATI(GL_LERP_ATI, %s,          GL_NONE, %s, GL_ALPHA, GL_NONE, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 723                       debug_register(dstreg),
 724                       debug_register(extrarg),
 725                       debug_register(arg1), debug_argmod(argmod1),
 726                       debug_register(arg2), debug_argmod(argmod2));
 727                 GL_EXTCALL(glAlphaFragmentOp3ATI(GL_LERP_ATI, dstreg, GL_NONE,
 728                                                  extrarg, GL_ALPHA, GL_NONE,
 729                                                  arg1, GL_NONE, argmod1,
 730                                                  arg2, GL_NONE, argmod2));
 731                 break;
 732
 733             case WINED3DTOP_BLENDTEXTUREALPHAPM:
 734                 arg0 = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, NULL, -1);
 735                 TRACE("glAlphaFragmentOp3ATI(GL_MAD_ATI, %s,          GL_NONE, %s, GL_NONE, %s, %s, GL_ALPHA, GL_COMP_BIT_ATI, %s, GL_NONE, %s)\n",
 736                       debug_register(dstreg),
 737                       debug_register(arg2), debug_argmod(argmod2),
 738                       debug_register(arg0),
 739                       debug_register(arg1), debug_argmod(argmod1));
 740                 GL_EXTCALL(glAlphaFragmentOp3ATI(GL_MAD_ATI, dstreg, GL_NONE,
 741                                                  arg2, GL_NONE,  argmod2,
 742                                                  arg0, GL_ALPHA, GL_COMP_BIT_ATI,
 743                                                  arg1, GL_NONE,  argmod1));
 744                 break;
 745
 746             /* D3DTOP_PREMODULATE ???? */
 747
 748             case WINED3DTOP_DOTPRODUCT3:
 749                 TRACE("glAlphaFragmentOp2ATI(GL_DOT3_ATI, %s,          GL_4X_BIT_ATI | GL_SATURATE_BIT_ATI, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 750                       debug_register(dstreg),
 751                       debug_register(arg1), debug_argmod(argmod1 | GL_BIAS_BIT_ATI),
 752                       debug_register(arg2), debug_argmod(argmod2 | GL_BIAS_BIT_ATI));
 753                 GL_EXTCALL(glAlphaFragmentOp2ATI(GL_DOT3_ATI, dstreg, GL_4X_BIT_ATI | GL_SATURATE_BIT_ATI,
 754                                                  arg1, GL_NONE, argmod1 | GL_BIAS_BIT_ATI,
 755                                                  arg2, GL_NONE, argmod2 | GL_BIAS_BIT_ATI));
 756                 break;
 757
 758             case WINED3DTOP_MULTIPLYADD:
 759                 TRACE("glAlphaFragmentOp3ATI(GL_MAD_ATI, %s,          GL_SATURATE_BIT_ATI, %s, GL_NONE, %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 760                       debug_register(dstreg),
 761                       debug_register(arg1), debug_argmod(argmod1),
 762                       debug_register(arg2), debug_argmod(argmod2),
 763                       debug_register(arg0), debug_argmod(argmod0));
 764                 GL_EXTCALL(glAlphaFragmentOp3ATI(GL_MAD_ATI, dstreg,          GL_SATURATE_BIT_ATI,
 765                            arg1, GL_NONE, argmod1,
 766                            arg2, GL_NONE, argmod2,
 767                            arg0, GL_NONE, argmod0));
 768                 break;
 769
 770             case WINED3DTOP_LERP:
 771                 TRACE("glAlphaFragmentOp3ATI(GL_LERP_ATI, %s,          GL_SATURATE_BIT_ATI, %s, GL_NONE, %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 772                       debug_register(dstreg),
 773                       debug_register(arg1), debug_argmod(argmod1),
 774                       debug_register(arg2), debug_argmod(argmod2),
 775                       debug_register(arg0), debug_argmod(argmod0));
 776                 GL_EXTCALL(glAlphaFragmentOp3ATI(GL_LERP_ATI, dstreg, GL_SATURATE_BIT_ATI,
 777                                                  arg1, GL_NONE, argmod1,
 778                                                  arg2, GL_NONE, argmod2,
 779                                                  arg0, GL_NONE, argmod0));
 780                 break;
 781
 782             case WINED3DTOP_MODULATEINVALPHA_ADDCOLOR:
 783             case WINED3DTOP_MODULATEALPHA_ADDCOLOR:
 784             case WINED3DTOP_MODULATECOLOR_ADDALPHA:
 785             case WINED3DTOP_MODULATEINVCOLOR_ADDALPHA:
 786             case WINED3DTOP_BUMPENVMAP:
 787             case WINED3DTOP_BUMPENVMAPLUMINANCE:
 788                 ERR("Application uses an invalid alpha operation\n");
 789                 break;
 790
 791             default: FIXME("Unhandled alpha operation %d on stage %d\n", op[stage].aop, stage);
 792         }
 793     }
 794
 795     TRACE("glEndFragmentShaderATI()\n");
 796     GL_EXTCALL(glEndFragmentShaderATI());
 797     checkGLcall("GL_EXTCALL(glEndFragmentShaderATI())");
 798     return ret;
 799 }
 800 #undef GLINFO_LOCATION
 801
 802 #define GLINFO_LOCATION stateblock->wineD3DDevice->adapter->gl_info
 803 static void set_tex_op_atifs(DWORD state, IWineD3DStateBlockImpl *stateblock, WineD3DContext *context) {
 804     IWineD3DDeviceImpl          *This = stateblock->wineD3DDevice;
 805     const struct atifs_ffp_desc *desc;
 806     struct ffp_frag_settings     settings;
 807     struct atifs_private_data   *priv = (struct atifs_private_data *) This->fragment_priv;
 808     DWORD mapped_stage;
 809     unsigned int i;
 810
 811     gen_ffp_frag_op(stateblock, &settings, TRUE);
 812     desc = (const struct atifs_ffp_desc *)find_ffp_frag_shader(priv->fragment_shaders, &settings);
 813     if(!desc) {
 814         struct atifs_ffp_desc *new_desc = HeapAlloc(GetProcessHeap(), 0, sizeof(*new_desc));
 815         if (!new_desc)
 816         {
 817             ERR("Out of memory\n");
 818             return;
 819         }
 820         new_desc->num_textures_used = 0;
 821         for(i = 0; i < GL_LIMITS(texture_stages); i++) {
 822             if(settings.op[i].cop == WINED3DTOP_DISABLE) break;
 823             new_desc->num_textures_used = i;
 824         }
 825
 826         memcpy(&new_desc->parent.settings, &settings, sizeof(settings));
 827         new_desc->shader = gen_ati_shader(settings.op, &GLINFO_LOCATION);
 828         add_ffp_frag_shader(priv->fragment_shaders, &new_desc->parent);
 829         TRACE("Allocated fixed function replacement shader descriptor %p\n", new_desc);
 830         desc = new_desc;
 831     }
 832
 833     /* GL_ATI_fragment_shader depends on the GL_TEXTURE_xD enable settings. Update the texture stages
 834      * used by this shader
 835      */
 836     for(i = 0; i < desc->num_textures_used; i++) {
 837         mapped_stage = This->texUnitMap[i];
 838         if(mapped_stage != -1) {
 839             GL_EXTCALL(glActiveTextureARB(GL_TEXTURE0_ARB + mapped_stage));
 840             checkGLcall("glActiveTextureARB");
 841             texture_activate_dimensions(i, stateblock, context);
 842         }
 843     }
 844
 845     GL_EXTCALL(glBindFragmentShaderATI(desc->shader));
 846 }
 847
 848 static void state_texfactor_atifs(DWORD state, IWineD3DStateBlockImpl *stateblock, WineD3DContext *context) {
 849     float col[4];
 850     D3DCOLORTOGLFLOAT4(stateblock->renderState[WINED3DRS_TEXTUREFACTOR], col);
 851
 852     GL_EXTCALL(glSetFragmentShaderConstantATI(ATI_FFP_CONST_TFACTOR, col));
 853     checkGLcall("glSetFragmentShaderConstantATI(ATI_FFP_CONST_TFACTOR, col)");
 854 }
 855
 856 static void set_bumpmat(DWORD state, IWineD3DStateBlockImpl *stateblock, WineD3DContext *context) {
 857     DWORD stage = (state - STATE_TEXTURESTAGE(0, 0)) / WINED3D_HIGHEST_TEXTURE_STATE;
 858     float mat[2][2];
 859
 860     mat[0][0] = *((float *) &stateblock->textureState[stage][WINED3DTSS_BUMPENVMAT00]);
 861     mat[1][0] = *((float *) &stateblock->textureState[stage][WINED3DTSS_BUMPENVMAT01]);
 862     mat[0][1] = *((float *) &stateblock->textureState[stage][WINED3DTSS_BUMPENVMAT10]);
 863     mat[1][1] = *((float *) &stateblock->textureState[stage][WINED3DTSS_BUMPENVMAT11]);
 864     /* GL_ATI_fragment_shader allows only constants from 0.0 to 1.0, but the bumpmat
 865      * constants can be in any range. While they should stay between [-1.0 and 1.0] because
 866      * Shader Model 1.x pixel shaders are clamped to that range negative values are used occasionally,
 867      * for example by our d3d9 test. So to get negative values scale -1;1 to 0;1 and undo that in the
 868      * shader(it is free). This might potentially reduce precision. However, if the hardware does
 869      * support proper floats it shouldn't, and if it doesn't we can't get anything better anyway
 870      */
 871     mat[0][0] = (mat[0][0] + 1.0) * 0.5;
 872     mat[1][0] = (mat[1][0] + 1.0) * 0.5;
 873     mat[0][1] = (mat[0][1] + 1.0) * 0.5;
 874     mat[1][1] = (mat[1][1] + 1.0) * 0.5;
 875     GL_EXTCALL(glSetFragmentShaderConstantATI(ATI_FFP_CONST_BUMPMAT(stage), (float *) mat));
 876     checkGLcall("glSetFragmentShaderConstantATI(ATI_FFP_CONST_BUMPMAT(stage), mat)");
 877 }
 878
 879 static void textransform(DWORD state, IWineD3DStateBlockImpl *stateblock, WineD3DContext *context) {
 880     if(!isStateDirty(context, STATE_PIXELSHADER)) {
 881         set_tex_op_atifs(state, stateblock, context);
 882     }
 883 }
 884
 885 #undef GLINFO_LOCATION
 886
 887 static const struct StateEntryTemplate atifs_fragmentstate_template[] = {
 888     {STATE_RENDER(WINED3DRS_TEXTUREFACTOR),               { STATE_RENDER(WINED3DRS_TEXTUREFACTOR),              state_texfactor_atifs   }, 0                               },
 889     {STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 890     {STATE_TEXTURESTAGE(0, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 891     {STATE_TEXTURESTAGE(0, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 892     {STATE_TEXTURESTAGE(0, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 893     {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 894     {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 895     {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 896     {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 897     {STATE_TEXTURESTAGE(0, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 898     {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 899     {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 900     {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 901     {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 902     {STATE_TEXTURESTAGE(1, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 903     {STATE_TEXTURESTAGE(1, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 904     {STATE_TEXTURESTAGE(1, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 905     {STATE_TEXTURESTAGE(1, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 906     {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 907     {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 908     {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 909     {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 910     {STATE_TEXTURESTAGE(1, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 911     {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 912     {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 913     {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 914     {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 915     {STATE_TEXTURESTAGE(2, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 916     {STATE_TEXTURESTAGE(2, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 917     {STATE_TEXTURESTAGE(2, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 918     {STATE_TEXTURESTAGE(2, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 919     {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 920     {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 921     {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 922     {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 923     {STATE_TEXTURESTAGE(2, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 924     {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 925     {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 926     {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 927     {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 928     {STATE_TEXTURESTAGE(3, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 929     {STATE_TEXTURESTAGE(3, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 930     {STATE_TEXTURESTAGE(3, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 931     {STATE_TEXTURESTAGE(3, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 932     {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 933     {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 934     {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 935     {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 936     {STATE_TEXTURESTAGE(3, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 937     {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 938     {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 939     {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 940     {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 941     {STATE_TEXTURESTAGE(4, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 942     {STATE_TEXTURESTAGE(4, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 943     {STATE_TEXTURESTAGE(4, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 944     {STATE_TEXTURESTAGE(4, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 945     {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 946     {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 947     {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 948     {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 949     {STATE_TEXTURESTAGE(4, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 950     {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 951     {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 952     {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 953     {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 954     {STATE_TEXTURESTAGE(5, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 955     {STATE_TEXTURESTAGE(5, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 956     {STATE_TEXTURESTAGE(5, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 957     {STATE_TEXTURESTAGE(5, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 958     {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 959     {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 960     {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 961     {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 962     {STATE_TEXTURESTAGE(5, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 963     {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 964     {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 965     {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 966     {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 967     {STATE_TEXTURESTAGE(6, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 968     {STATE_TEXTURESTAGE(6, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 969     {STATE_TEXTURESTAGE(6, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 970     {STATE_TEXTURESTAGE(6, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 971     {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 972     {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 973     {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 974     {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 975     {STATE_TEXTURESTAGE(6, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 976     {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 977     {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 978     {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 979     {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 980     {STATE_TEXTURESTAGE(7, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 981     {STATE_TEXTURESTAGE(7, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 982     {STATE_TEXTURESTAGE(7, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 983     {STATE_TEXTURESTAGE(7, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 984     {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 985     {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 986     {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 987     {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 988     {STATE_TEXTURESTAGE(7, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 989     {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 990     {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 991     {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 992     {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 993     { STATE_SAMPLER(0),                                   { STATE_SAMPLER(0),                                   sampler_texdim          }, 0                               },
 994     { STATE_SAMPLER(1),                                   { STATE_SAMPLER(1),                                   sampler_texdim          }, 0                               },
 995     { STATE_SAMPLER(2),                                   { STATE_SAMPLER(2),                                   sampler_texdim          }, 0                               },
 996     { STATE_SAMPLER(3),                                   { STATE_SAMPLER(3),                                   sampler_texdim          }, 0                               },
 997     { STATE_SAMPLER(4),                                   { STATE_SAMPLER(4),                                   sampler_texdim          }, 0                               },
 998     { STATE_SAMPLER(5),                                   { STATE_SAMPLER(5),                                   sampler_texdim          }, 0                               },
 999     { STATE_SAMPLER(6),                                   { STATE_SAMPLER(6),                                   sampler_texdim          }, 0                               },
1000     { STATE_SAMPLER(7),                                   { STATE_SAMPLER(7),                                   sampler_texdim          }, 0                               },
1001     {STATE_TEXTURESTAGE(0,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(0, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1002     {STATE_TEXTURESTAGE(1,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(1, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1003     {STATE_TEXTURESTAGE(2,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(2, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1004     {STATE_TEXTURESTAGE(3,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(3, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1005     {STATE_TEXTURESTAGE(4,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(4, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1006     {STATE_TEXTURESTAGE(5,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(5, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1007     {STATE_TEXTURESTAGE(6,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(6, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1008     {STATE_TEXTURESTAGE(7,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(7, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1009     {0 /* Terminate */,                                   { 0,                                                  0                       }, 0                               },
1010 };
1011
1012 static void atifs_enable(IWineD3DDevice *iface, BOOL enable) {
1013     if(enable) {
1014         glEnable(GL_FRAGMENT_SHADER_ATI);
1015         checkGLcall("glEnable(GL_FRAGMENT_SHADER_ATI)");
1016     } else {
1017         glDisable(GL_FRAGMENT_SHADER_ATI);
1018         checkGLcall("glDisable(GL_FRAGMENT_SHADER_ATI)");
1019     }
1020 }
1021
1022 static void atifs_get_caps(WINED3DDEVTYPE devtype, const WineD3D_GL_Info *gl_info, struct fragment_caps *caps)
1023 {
1024     caps->TextureOpCaps =  WINED3DTEXOPCAPS_DISABLE                     |
1025                            WINED3DTEXOPCAPS_SELECTARG1                  |
1026                            WINED3DTEXOPCAPS_SELECTARG2                  |
1027                            WINED3DTEXOPCAPS_MODULATE4X                  |
1028                            WINED3DTEXOPCAPS_MODULATE2X                  |
1029                            WINED3DTEXOPCAPS_MODULATE                    |
1030                            WINED3DTEXOPCAPS_ADDSIGNED2X                 |
1031                            WINED3DTEXOPCAPS_ADDSIGNED                   |
1032                            WINED3DTEXOPCAPS_ADD                         |
1033                            WINED3DTEXOPCAPS_SUBTRACT                    |
1034                            WINED3DTEXOPCAPS_ADDSMOOTH                   |
1035                            WINED3DTEXOPCAPS_BLENDCURRENTALPHA           |
1036                            WINED3DTEXOPCAPS_BLENDFACTORALPHA            |
1037                            WINED3DTEXOPCAPS_BLENDTEXTUREALPHA           |
1038                            WINED3DTEXOPCAPS_BLENDDIFFUSEALPHA           |
1039                            WINED3DTEXOPCAPS_BLENDTEXTUREALPHAPM         |
1040                            WINED3DTEXOPCAPS_MODULATEALPHA_ADDCOLOR      |
1041                            WINED3DTEXOPCAPS_MODULATECOLOR_ADDALPHA      |
1042                            WINED3DTEXOPCAPS_MODULATEINVCOLOR_ADDALPHA   |
1043                            WINED3DTEXOPCAPS_MODULATEINVALPHA_ADDCOLOR   |
1044                            WINED3DTEXOPCAPS_DOTPRODUCT3                 |
1045                            WINED3DTEXOPCAPS_MULTIPLYADD                 |
1046                            WINED3DTEXOPCAPS_LERP                        |
1047                            WINED3DTEXOPCAPS_BUMPENVMAP;
1048
1049     /* TODO: Implement WINED3DTEXOPCAPS_BUMPENVMAPLUMINANCE
1050     and WINED3DTEXOPCAPS_PREMODULATE */
1051
1052     /* GL_ATI_fragment_shader always supports 6 textures, which was the limit on r200 cards
1053      * which this extension is exclusively focused on(later cards have GL_ARB_fragment_program).
1054      * If the current card has more than 8 fixed function textures in OpenGL's regular fixed
1055      * function pipeline then the ATI_fragment_shader backend imposes a stricter limit. This
1056      * shouldn't be too hard since Nvidia cards have a limit of 4 textures with the default ffp
1057      * pipeline, and almost all games are happy with that. We can however support up to 8
1058      * texture stages because we have a 2nd pass limit of 8 instructions, and per stage we use
1059      * only 1 instruction.
1060      *
1061      * The proper fix for this is not to use GL_ATI_fragment_shader on cards newer than the
1062      * r200 series and use an ARB or GLSL shader instead
1063      */
1064     caps->MaxTextureBlendStages   = 8;
1065     caps->MaxSimultaneousTextures = 6;
1066
1067     caps->PrimitiveMiscCaps |= WINED3DPMISCCAPS_TSSARGTEMP;
1068 }
1069
1070 static HRESULT atifs_alloc(IWineD3DDevice *iface) {
1071     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *) iface;
1072     struct atifs_private_data *priv;
1073
1074     This->fragment_priv = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct atifs_private_data));
1075     if(!This->fragment_priv) {
1076         ERR("Out of memory\n");
1077         return E_OUTOFMEMORY;
1078     }
1079     priv = (struct atifs_private_data *) This->fragment_priv;
1080     priv->fragment_shaders = hash_table_create(ffp_frag_program_key_hash, ffp_frag_program_key_compare);
1081     return WINED3D_OK;
1082 }
1083
1084 #define GLINFO_LOCATION This->adapter->gl_info
1085 static void atifs_free_ffpshader(void *value, void *device) {
1086     IWineD3DDeviceImpl *This = device;
1087     struct atifs_ffp_desc *entry_ati = value;
1088
1089     ENTER_GL();
1090     GL_EXTCALL(glDeleteFragmentShaderATI(entry_ati->shader));
1091     checkGLcall("glDeleteFragmentShaderATI(entry->shader)");
1092     HeapFree(GetProcessHeap(), 0, entry_ati);
1093     LEAVE_GL();
1094 }
1095
1096 static void atifs_free(IWineD3DDevice *iface) {
1097     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *) iface;
1098     struct atifs_private_data *priv = (struct atifs_private_data *) This->fragment_priv;
1099
1100     hash_table_destroy(priv->fragment_shaders, atifs_free_ffpshader, This);
1101
1102     HeapFree(GetProcessHeap(), 0, priv);
1103     This->fragment_priv = NULL;
1104 }
1105 #undef GLINFO_LOCATION
1106
1107 static BOOL atifs_conv_supported(WINED3DFORMAT fmt) {
1108     TRACE("Checking shader format support for format %s:", debug_d3dformat(fmt));
1109     switch(fmt) {
1110         case WINED3DFMT_V8U8:
1111         case WINED3DFMT_V16U16:
1112             TRACE("[OK]\n");
1113             return TRUE;
1114         default:
1115             TRACE("[FAILED\n");
1116             return FALSE;
1117     }
1118 }
1119
1120 const struct fragment_pipeline atifs_fragment_pipeline = {
1121     atifs_enable,
1122     atifs_get_caps,
1123     atifs_alloc,
1124     atifs_free,
1125     atifs_conv_supported,
1126     atifs_fragmentstate_template,
1127     TRUE /* We can disable projected textures */
1128 };