dlls/wined3d/ati_fragment_shader.c

   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 WINE_DECLARE_DEBUG_CHANNEL(d3d);
  30
  31 /* Some private defines, Constant associations, etc.
  32  * Env bump matrix and per stage constant should be independent,
  33  * a stage that bump maps can't read the per state constant
  34  */
  35 #define ATI_FFP_CONST_BUMPMAT(i) (GL_CON_0_ATI + i)
  36 #define ATI_FFP_CONST_CONSTANT0 GL_CON_0_ATI
  37 #define ATI_FFP_CONST_CONSTANT1 GL_CON_1_ATI
  38 #define ATI_FFP_CONST_CONSTANT2 GL_CON_2_ATI
  39 #define ATI_FFP_CONST_CONSTANT3 GL_CON_3_ATI
  40 #define ATI_FFP_CONST_CONSTANT4 GL_CON_4_ATI
  41 #define ATI_FFP_CONST_CONSTANT5 GL_CON_5_ATI
  42 #define ATI_FFP_CONST_TFACTOR   GL_CON_6_ATI
  43
  44 /* GL_ATI_fragment_shader specific fixed function pipeline description. "Inherits" from the common one */
  45 struct atifs_ffp_desc
  46 {
  47     struct ffp_frag_desc parent;
  48     GLuint shader;
  49     unsigned int num_textures_used;
  50 };
  51
  52 struct atifs_private_data
  53 {
  54     struct hash_table_t *fragment_shaders; /* A hashtable to track fragment pipeline replacement shaders */
  55
  56 };
  57
  58 static const char *debug_dstmod(GLuint mod) {
  59     switch(mod) {
  60         case GL_NONE:               return "GL_NONE";
  61         case GL_2X_BIT_ATI:         return "GL_2X_BIT_ATI";
  62         case GL_4X_BIT_ATI:         return "GL_4X_BIT_ATI";
  63         case GL_8X_BIT_ATI:         return "GL_8X_BIT_ATI";
  64         case GL_HALF_BIT_ATI:       return "GL_HALF_BIT_ATI";
  65         case GL_QUARTER_BIT_ATI:    return "GL_QUARTER_BIT_ATI";
  66         case GL_EIGHTH_BIT_ATI:     return "GL_EIGHTH_BIT_ATI";
  67         case GL_SATURATE_BIT_ATI:   return "GL_SATURATE_BIT_ATI";
  68         default:                    return "Unexpected modifier\n";
  69     }
  70 }
  71
  72 static const char *debug_argmod(GLuint mod) {
  73     switch(mod) {
  74         case GL_NONE:
  75             return "GL_NONE";
  76
  77         case GL_2X_BIT_ATI:
  78             return "GL_2X_BIT_ATI";
  79         case GL_COMP_BIT_ATI:
  80             return "GL_COMP_BIT_ATI";
  81         case GL_NEGATE_BIT_ATI:
  82             return "GL_NEGATE_BIT_ATI";
  83         case GL_BIAS_BIT_ATI:
  84             return "GL_BIAS_BIT_ATI";
  85
  86         case GL_2X_BIT_ATI | GL_COMP_BIT_ATI:
  87             return "GL_2X_BIT_ATI | GL_COMP_BIT_ATI";
  88         case GL_2X_BIT_ATI | GL_NEGATE_BIT_ATI:
  89             return "GL_2X_BIT_ATI | GL_NEGATE_BIT_ATI";
  90         case GL_2X_BIT_ATI | GL_BIAS_BIT_ATI:
  91             return "GL_2X_BIT_ATI | GL_BIAS_BIT_ATI";
  92         case GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI:
  93             return "GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI";
  94         case GL_COMP_BIT_ATI | GL_BIAS_BIT_ATI:
  95             return "GL_COMP_BIT_ATI | GL_BIAS_BIT_ATI";
  96         case GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI:
  97             return "GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI";
  98
  99         case GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI:
 100             return "GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI";
 101         case GL_2X_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI:
 102             return "GL_2X_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI";
 103         case GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_BIAS_BIT_ATI:
 104             return "GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_BIAS_BIT_ATI";
 105         case GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI:
 106             return "GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI";
 107
 108         case GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI:
 109             return "GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI";
 110
 111         default:
 112             return "Unexpected argmod combination\n";
 113     }
 114 }
 115 static const char *debug_register(GLuint reg) {
 116     switch(reg) {
 117         case GL_REG_0_ATI:                  return "GL_REG_0_ATI";
 118         case GL_REG_1_ATI:                  return "GL_REG_1_ATI";
 119         case GL_REG_2_ATI:                  return "GL_REG_2_ATI";
 120         case GL_REG_3_ATI:                  return "GL_REG_3_ATI";
 121         case GL_REG_4_ATI:                  return "GL_REG_4_ATI";
 122         case GL_REG_5_ATI:                  return "GL_REG_5_ATI";
 123
 124         case GL_CON_0_ATI:                  return "GL_CON_0_ATI";
 125         case GL_CON_1_ATI:                  return "GL_CON_1_ATI";
 126         case GL_CON_2_ATI:                  return "GL_CON_2_ATI";
 127         case GL_CON_3_ATI:                  return "GL_CON_3_ATI";
 128         case GL_CON_4_ATI:                  return "GL_CON_4_ATI";
 129         case GL_CON_5_ATI:                  return "GL_CON_5_ATI";
 130         case GL_CON_6_ATI:                  return "GL_CON_6_ATI";
 131         case GL_CON_7_ATI:                  return "GL_CON_7_ATI";
 132
 133         case GL_ZERO:                       return "GL_ZERO";
 134         case GL_ONE:                        return "GL_ONE";
 135         case GL_PRIMARY_COLOR:              return "GL_PRIMARY_COLOR";
 136         case GL_SECONDARY_INTERPOLATOR_ATI: return "GL_SECONDARY_INTERPOLATOR_ATI";
 137
 138         default:                            return "Unknown register\n";
 139     }
 140 }
 141
 142 static const char *debug_swizzle(GLuint swizzle) {
 143     switch(swizzle) {
 144         case GL_SWIZZLE_STR_ATI:        return "GL_SWIZZLE_STR_ATI";
 145         case GL_SWIZZLE_STQ_ATI:        return "GL_SWIZZLE_STQ_ATI";
 146         case GL_SWIZZLE_STR_DR_ATI:     return "GL_SWIZZLE_STR_DR_ATI";
 147         case GL_SWIZZLE_STQ_DQ_ATI:     return "GL_SWIZZLE_STQ_DQ_ATI";
 148         default:                        return "unknown swizzle";
 149     }
 150 }
 151
 152 static const char *debug_rep(GLuint rep) {
 153     switch(rep) {
 154         case GL_NONE:                   return "GL_NONE";
 155         case GL_RED:                    return "GL_RED";
 156         case GL_GREEN:                  return "GL_GREEN";
 157         case GL_BLUE:                   return "GL_BLUE";
 158         default:                        return "unknown argrep";
 159     }
 160 }
 161
 162 #define GLINFO_LOCATION (*gl_info)
 163 static GLuint register_for_arg(DWORD arg, const WineD3D_GL_Info *gl_info,
 164         unsigned int stage, GLuint *mod, GLuint *rep, GLuint tmparg)
 165 {
 166     GLenum ret;
 167
 168     if(mod) *mod = GL_NONE;
 169     if(arg == ARG_UNUSED)
 170     {
 171         if (rep) *rep = GL_NONE;
 172         return -1; /* This is the marker for unused registers */
 173     }
 174
 175     switch(arg & WINED3DTA_SELECTMASK) {
 176         case WINED3DTA_DIFFUSE:
 177             ret = GL_PRIMARY_COLOR;
 178             break;
 179
 180         case WINED3DTA_CURRENT:
 181             /* Note that using GL_REG_0_ATI for the passed on register is safe because
 182              * texture0 is read at stage0, so in the worst case it is read in the
 183              * instruction writing to reg0. Afterwards texture0 is not used any longer.
 184              * If we're reading from current
 185              */
 186             if(stage == 0) {
 187                 ret = GL_PRIMARY_COLOR;
 188             } else {
 189                 ret = GL_REG_0_ATI;
 190             }
 191             break;
 192
 193         case WINED3DTA_TEXTURE:
 194             ret = GL_REG_0_ATI + stage;
 195             break;
 196
 197         case WINED3DTA_TFACTOR:
 198             ret = ATI_FFP_CONST_TFACTOR;
 199             break;
 200
 201         case WINED3DTA_SPECULAR:
 202             ret = GL_SECONDARY_INTERPOLATOR_ATI;
 203             break;
 204
 205         case WINED3DTA_TEMP:
 206             ret = tmparg;
 207             break;
 208
 209         case WINED3DTA_CONSTANT:
 210             FIXME("Unhandled source argument WINED3DTA_TEMP\n");
 211             ret = GL_CON_0_ATI;
 212             break;
 213
 214         default:
 215             FIXME("Unknown source argument %d\n", arg);
 216             ret = GL_ZERO;
 217     }
 218
 219     if(arg & WINED3DTA_COMPLEMENT) {
 220         if(mod) *mod |= GL_COMP_BIT_ATI;
 221     }
 222     if(arg & WINED3DTA_ALPHAREPLICATE) {
 223         if(rep) *rep = GL_ALPHA;
 224     } else {
 225         if(rep) *rep = GL_NONE;
 226     }
 227     return ret;
 228 }
 229
 230 static GLuint find_tmpreg(const struct texture_stage_op op[MAX_TEXTURES])
 231 {
 232     int lowest_read = -1;
 233     int lowest_write = -1;
 234     int i;
 235     BOOL tex_used[MAX_TEXTURES];
 236
 237     memset(tex_used, 0, sizeof(tex_used));
 238     for(i = 0; i < MAX_TEXTURES; i++) {
 239         if(op[i].cop == WINED3DTOP_DISABLE) {
 240             break;
 241         }
 242
 243         if(lowest_read == -1 &&
 244           (op[i].carg1 == WINED3DTA_TEMP || op[i].carg2 == WINED3DTA_TEMP || op[i].carg0 == WINED3DTA_TEMP ||
 245            op[i].aarg1 == WINED3DTA_TEMP || op[i].aarg2 == WINED3DTA_TEMP || op[i].aarg0 == WINED3DTA_TEMP)) {
 246             lowest_read = i;
 247         }
 248
 249         if(lowest_write == -1 && op[i].dst == tempreg) {
 250             lowest_write = i;
 251         }
 252
 253         if(op[i].carg1 == WINED3DTA_TEXTURE || op[i].carg2 == WINED3DTA_TEXTURE || op[i].carg0 == WINED3DTA_TEXTURE ||
 254            op[i].aarg1 == WINED3DTA_TEXTURE || op[i].aarg2 == WINED3DTA_TEXTURE || op[i].aarg0 == WINED3DTA_TEXTURE) {
 255             tex_used[i] = TRUE;
 256         }
 257     }
 258
 259     /* Temp reg not read? We don't need it, return GL_NONE */
 260     if(lowest_read == -1) return GL_NONE;
 261
 262     if(lowest_write >= lowest_read) {
 263         FIXME("Temp register read before being written\n");
 264     }
 265
 266     if(lowest_write == -1) {
 267         /* This needs a test. Maybe we are supposed to return 0.0/0.0/0.0/0.0, or fail drawprim, or whatever */
 268         FIXME("Temp register read without being written\n");
 269         return GL_REG_1_ATI;
 270     } else if(lowest_write >= 1) {
 271         /* If we're writing to the temp reg at earliest in stage 1, we can use register 1 for the temp result.
 272          * there may be texture data stored in reg 1, but we do not need it any longer since stage 1 already
 273          * read it
 274          */
 275         return GL_REG_1_ATI;
 276     } else {
 277         /* Search for a free texture register. We have 6 registers available. GL_REG_0_ATI is already used
 278          * for the regular result
 279          */
 280         for(i = 1; i < 6; i++) {
 281             if(!tex_used[i]) {
 282                 return GL_REG_0_ATI + i;
 283             }
 284         }
 285         /* What to do here? Report it in ValidateDevice? */
 286         FIXME("Could not find a register for the temporary register\n");
 287         return 0;
 288     }
 289 }
 290
 291 static GLuint gen_ati_shader(const struct texture_stage_op op[MAX_TEXTURES], const WineD3D_GL_Info *gl_info)
 292 {
 293     GLuint ret = GL_EXTCALL(glGenFragmentShadersATI(1));
 294     unsigned int stage;
 295     GLuint arg0, arg1, arg2, extrarg;
 296     GLuint dstmod, argmod0, argmod1, argmod2, argmodextra;
 297     GLuint rep0, rep1, rep2;
 298     GLuint swizzle;
 299     GLuint tmparg = find_tmpreg(op);
 300     GLuint dstreg;
 301
 302     if(!ret) {
 303         ERR("Failed to generate a GL_ATI_fragment_shader shader id\n");
 304         return 0;
 305     }
 306     GL_EXTCALL(glBindFragmentShaderATI(ret));
 307     checkGLcall("GL_EXTCALL(glBindFragmentShaderATI(ret))");
 308
 309     TRACE("glBeginFragmentShaderATI()\n");
 310     GL_EXTCALL(glBeginFragmentShaderATI());
 311     checkGLcall("GL_EXTCALL(glBeginFragmentShaderATI())");
 312
 313     /* Pass 1: Generate sampling instructions for perturbation maps */
 314       for(stage = 0; stage < GL_LIMITS(textures); stage++) {
 315         if(op[stage].cop == WINED3DTOP_DISABLE) break;
 316         if(op[stage].cop != WINED3DTOP_BUMPENVMAP &&
 317            op[stage].cop != WINED3DTOP_BUMPENVMAPLUMINANCE) continue;
 318
 319         TRACE("glSampleMapATI(GL_REG_%d_ATI, GL_TEXTURE_%d_ARB, GL_SWIZZLE_STR_ATI)\n",
 320               stage, stage);
 321         GL_EXTCALL(glSampleMapATI(GL_REG_0_ATI + stage,
 322                    GL_TEXTURE0_ARB + stage,
 323                    GL_SWIZZLE_STR_ATI));
 324         if(op[stage + 1].projected == proj_none) {
 325             swizzle = GL_SWIZZLE_STR_ATI;
 326         } else if(op[stage + 1].projected == proj_count4) {
 327             swizzle = GL_SWIZZLE_STQ_DQ_ATI;
 328         } else {
 329             swizzle = GL_SWIZZLE_STR_DR_ATI;
 330         }
 331         TRACE("glPassTexCoordATI(GL_REG_%d_ATI, GL_TEXTURE_%d_ARB, %s)\n",
 332               stage + 1, stage + 1, debug_swizzle(swizzle));
 333         GL_EXTCALL(glPassTexCoordATI(GL_REG_0_ATI + stage + 1,
 334                    GL_TEXTURE0_ARB + stage + 1,
 335                    swizzle));
 336
 337         /* We need GL_REG_5_ATI as a temporary register to swizzle the bump matrix. So we run into
 338          * issues if we're bump mapping on stage 4 or 5
 339          */
 340         if(stage >= 4) {
 341             FIXME("Bump mapping in stage %d\n", stage);
 342         }
 343     }
 344
 345     /* Pass 2: Generate perturbation calculations */
 346     for(stage = 0; stage < GL_LIMITS(textures); stage++) {
 347         GLuint argmodextra_x, argmodextra_y;
 348         struct color_fixup_desc fixup;
 349
 350         if(op[stage].cop == WINED3DTOP_DISABLE) break;
 351         if(op[stage].cop != WINED3DTOP_BUMPENVMAP &&
 352            op[stage].cop != WINED3DTOP_BUMPENVMAPLUMINANCE) continue;
 353
 354         if (fixup.x_source != CHANNEL_SOURCE_X || fixup.y_source != CHANNEL_SOURCE_Y)
 355         {
 356             FIXME("Swizzles not implemented\n");
 357             argmodextra_x = GL_NONE;
 358             argmodextra_y = GL_NONE;
 359         }
 360         else
 361         {
 362             /* Nice thing, we get the color correction for free :-) */
 363             argmodextra_x = fixup.x_sign_fixup ? GL_2X_BIT_ATI | GL_BIAS_BIT_ATI : GL_NONE;
 364             argmodextra_y = fixup.y_sign_fixup ? GL_2X_BIT_ATI | GL_BIAS_BIT_ATI : GL_NONE;
 365         }
 366
 367         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",
 368               stage + 1, stage, debug_argmod(argmodextra_x), stage, stage + 1);
 369         GL_EXTCALL(glColorFragmentOp3ATI(GL_DOT2_ADD_ATI, GL_REG_0_ATI + stage + 1, GL_RED_BIT_ATI, GL_NONE,
 370                                          GL_REG_0_ATI + stage, GL_NONE, argmodextra_x,
 371                                          ATI_FFP_CONST_BUMPMAT(stage), GL_NONE, GL_2X_BIT_ATI | GL_BIAS_BIT_ATI,
 372                                          GL_REG_0_ATI + stage + 1, GL_RED, GL_NONE));
 373
 374         /* FIXME: How can I make GL_DOT2_ADD_ATI read the factors from blue and alpha? It defaults to red and green,
 375          * 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
 376          * one register and two instructions in this pass for a simple swizzling operation.
 377          * For starters it might be good enough to merge the two movs into one, but even that isn't possible :-(
 378          *
 379          * NOTE: GL_BLUE | GL_ALPHA is not possible. It doesn't throw a compilation error, but an OR operation on the
 380          * constants doesn't make sense, considering their values.
 381          */
 382         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);
 383         GL_EXTCALL(glColorFragmentOp1ATI(GL_MOV_ATI, GL_REG_5_ATI, GL_RED_BIT_ATI, GL_NONE,
 384                                          ATI_FFP_CONST_BUMPMAT(stage), GL_BLUE, GL_NONE));
 385         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);
 386         GL_EXTCALL(glColorFragmentOp1ATI(GL_MOV_ATI, GL_REG_5_ATI, GL_GREEN_BIT_ATI, GL_NONE,
 387                                         ATI_FFP_CONST_BUMPMAT(stage), GL_ALPHA, GL_NONE));
 388         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",
 389               stage + 1, stage, debug_argmod(argmodextra_y), stage + 1);
 390         GL_EXTCALL(glColorFragmentOp3ATI(GL_DOT2_ADD_ATI, GL_REG_0_ATI + stage + 1, GL_GREEN_BIT_ATI, GL_NONE,
 391                                          GL_REG_0_ATI + stage, GL_NONE, argmodextra_y,
 392                                          GL_REG_5_ATI, GL_NONE, GL_2X_BIT_ATI | GL_BIAS_BIT_ATI,
 393                                          GL_REG_0_ATI + stage + 1, GL_GREEN, GL_NONE));
 394     }
 395
 396     /* Pass 3: Generate sampling instructions for regular textures */
 397     for(stage = 0; stage < GL_LIMITS(textures); stage++) {
 398         if(op[stage].cop == WINED3DTOP_DISABLE) {
 399             break;
 400         }
 401
 402         if(op[stage].projected == proj_none) {
 403             swizzle = GL_SWIZZLE_STR_ATI;
 404         } else if(op[stage].projected == proj_count3) {
 405             swizzle = GL_SWIZZLE_STR_DR_ATI;
 406         } else {
 407             swizzle = GL_SWIZZLE_STQ_DQ_ATI;
 408         }
 409
 410         if((op[stage].carg0 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 411            (op[stage].carg1 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 412            (op[stage].carg2 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 413            (op[stage].aarg0 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 414            (op[stage].aarg1 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 415            (op[stage].aarg2 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 416             op[stage].cop == WINED3DTOP_BLENDTEXTUREALPHA) {
 417
 418             if(stage > 0 &&
 419                (op[stage - 1].cop == WINED3DTOP_BUMPENVMAP ||
 420                 op[stage - 1].cop == WINED3DTOP_BUMPENVMAPLUMINANCE)) {
 421                 TRACE("glSampleMapATI(GL_REG_%d_ATI, GL_REG_%d_ATI, GL_SWIZZLE_STR_ATI)\n",
 422                       stage, stage);
 423                 GL_EXTCALL(glSampleMapATI(GL_REG_0_ATI + stage,
 424                            GL_REG_0_ATI + stage,
 425                            GL_SWIZZLE_STR_ATI));
 426             } else {
 427                 TRACE("glSampleMapATI(GL_REG_%d_ATI, GL_TEXTURE_%d_ARB, %s)\n",
 428                     stage, stage, debug_swizzle(swizzle));
 429                 GL_EXTCALL(glSampleMapATI(GL_REG_0_ATI + stage,
 430                                         GL_TEXTURE0_ARB + stage,
 431                                         swizzle));
 432             }
 433         }
 434     }
 435
 436     /* Pass 4: Generate the arithmetic instructions */
 437     for(stage = 0; stage < MAX_TEXTURES; stage++) {
 438         if(op[stage].cop == WINED3DTOP_DISABLE) {
 439             if(stage == 0) {
 440                 /* Handle complete texture disabling gracefully */
 441                 TRACE("glColorFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE, GL_NONE, GL_PRIMARY_COLOR, GL_NONE, GL_NONE)\n");
 442                 GL_EXTCALL(glColorFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE, GL_NONE,
 443                                                  GL_PRIMARY_COLOR, GL_NONE, GL_NONE));
 444                 TRACE("glAlphaFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE, GL_PRIMARY_COLOR, GL_NONE, GL_NONE)\n");
 445                 GL_EXTCALL(glAlphaFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE,
 446                                                  GL_PRIMARY_COLOR, GL_NONE, GL_NONE));
 447             }
 448             break;
 449         }
 450
 451         if(op[stage].dst == tempreg) {
 452             /* If we're writing to D3DTA_TEMP, but never reading from it we don't have to write there in the first place.
 453              * skip the entire stage, this saves some GPU time
 454              */
 455             if(tmparg == GL_NONE) continue;
 456
 457             dstreg = tmparg;
 458         } else {
 459             dstreg = GL_REG_0_ATI;
 460         }
 461
 462         arg0 = register_for_arg(op[stage].carg0, gl_info, stage, &argmod0, &rep0, tmparg);
 463         arg1 = register_for_arg(op[stage].carg1, gl_info, stage, &argmod1, &rep1, tmparg);
 464         arg2 = register_for_arg(op[stage].carg2, gl_info, stage, &argmod2, &rep2, tmparg);
 465         dstmod = GL_NONE;
 466         argmodextra = GL_NONE;
 467         extrarg = GL_NONE;
 468
 469         switch(op[stage].cop) {
 470             case WINED3DTOP_SELECTARG2:
 471                 arg1 = arg2;
 472                 argmod1 = argmod2;
 473                 rep1 = rep2;
 474             case WINED3DTOP_SELECTARG1:
 475                 TRACE("glColorFragmentOp1ATI(GL_MOV_ATI, %s, GL_NONE, GL_NONE, %s, %s, %s)\n",
 476                       debug_register(dstreg), debug_register(arg1), debug_rep(rep1), debug_argmod(argmod1));
 477                 GL_EXTCALL(glColorFragmentOp1ATI(GL_MOV_ATI, dstreg, GL_NONE, GL_NONE,
 478                                                  arg1, rep1, argmod1));
 479                 break;
 480
 481             case WINED3DTOP_MODULATE4X:
 482                 if(dstmod == GL_NONE) dstmod = GL_4X_BIT_ATI;
 483             case WINED3DTOP_MODULATE2X:
 484                 if(dstmod == GL_NONE) dstmod = GL_2X_BIT_ATI;
 485                 dstmod |= GL_SATURATE_BIT_ATI;
 486             case WINED3DTOP_MODULATE:
 487                 TRACE("glColorFragmentOp2ATI(GL_MUL_ATI, %s, GL_NONE, %s, %s, %s, %s, %s, %s, %s)\n",
 488                       debug_register(dstreg), debug_dstmod(dstmod),
 489                       debug_register(arg1), debug_rep(rep1), debug_argmod(argmod1),
 490                       debug_register(arg2), debug_rep(rep2), debug_argmod(argmod2));
 491                 GL_EXTCALL(glColorFragmentOp2ATI(GL_MUL_ATI, dstreg, GL_NONE, dstmod,
 492                                                  arg1, rep1, argmod1,
 493                                                  arg2, rep2, argmod2));
 494                 break;
 495
 496             case WINED3DTOP_ADDSIGNED2X:
 497                 dstmod = GL_2X_BIT_ATI;
 498             case WINED3DTOP_ADDSIGNED:
 499                 argmodextra = GL_BIAS_BIT_ATI;
 500             case WINED3DTOP_ADD:
 501                 dstmod |= GL_SATURATE_BIT_ATI;
 502                 TRACE("glColorFragmentOp2ATI(GL_ADD_ATI, %s, GL_NONE, %s, %s, %s, %s, %s, %s, %s)\n",
 503                       debug_register(dstreg), debug_dstmod(dstmod),
 504                       debug_register(arg1), debug_rep(rep1), debug_argmod(argmod1),
 505                       debug_register(arg2), debug_rep(rep2), debug_argmod(argmodextra | argmod2));
 506                 GL_EXTCALL(glColorFragmentOp2ATI(GL_ADD_ATI, GL_REG_0_ATI, GL_NONE, dstmod,
 507                                                  arg1, rep1, argmod1,
 508                                                  arg2, rep2, argmodextra | argmod2));
 509                 break;
 510
 511             case WINED3DTOP_SUBTRACT:
 512                 dstmod |= GL_SATURATE_BIT_ATI;
 513                 TRACE("glColorFragmentOp2ATI(GL_SUB_ATI, %s, GL_NONE, %s, %s, %s, %s, %s, %s, %s)\n",
 514                       debug_register(dstreg), debug_dstmod(dstmod),
 515                       debug_register(arg1), debug_rep(rep1), debug_argmod(argmod1),
 516                       debug_register(arg2), debug_rep(rep2), debug_argmod(argmod2));
 517                 GL_EXTCALL(glColorFragmentOp2ATI(GL_SUB_ATI, dstreg, GL_NONE, dstmod,
 518                                                  arg1, rep1, argmod1,
 519                                                  arg2, rep2, argmod2));
 520                 break;
 521
 522             case WINED3DTOP_ADDSMOOTH:
 523                 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
 524                 TRACE("glColorFragmentOp3ATI(GL_MAD_ATI, %s, GL_NONE, GL_SATURATE_BIT_ATI, %s, %s, %s, %s, %s, %s, %s, %s, %s)\n",
 525                       debug_register(dstreg),
 526                       debug_register(arg2), debug_rep(rep2), debug_argmod(argmod2),
 527                       debug_register(arg1), debug_rep(rep1), debug_argmod(argmodextra),
 528                       debug_register(arg1), debug_rep(rep1), debug_argmod(argmod1));
 529                 /* Dst = arg1 + * arg2(1 -arg 1)
 530                  *     = arg2 * (1 - arg1) + arg1
 531                  */
 532                 GL_EXTCALL(glColorFragmentOp3ATI(GL_MAD_ATI, dstreg, GL_NONE, GL_SATURATE_BIT_ATI,
 533                                                  arg2, rep2, argmod2,
 534                                                  arg1, rep1, argmodextra,
 535                                                  arg1, rep1, argmod1));
 536                 break;
 537
 538             case WINED3DTOP_BLENDCURRENTALPHA:
 539                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_CURRENT, gl_info, stage, NULL, NULL, -1);
 540             case WINED3DTOP_BLENDFACTORALPHA:
 541                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TFACTOR, gl_info, stage, NULL, NULL, -1);
 542             case WINED3DTOP_BLENDTEXTUREALPHA:
 543                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, NULL, -1);
 544             case WINED3DTOP_BLENDDIFFUSEALPHA:
 545                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_DIFFUSE, gl_info, stage, NULL, NULL, -1);
 546                 TRACE("glColorFragmentOp3ATI(GL_LERP_ATI, %s, GL_NONE, GL_NONE, %s, GL_ALPHA, GL_NONE, %s, %s, %s, %s, %s, %s)\n",
 547                       debug_register(dstreg),
 548                       debug_register(extrarg),
 549                       debug_register(arg1), debug_rep(rep1), debug_argmod(argmod1),
 550                       debug_register(arg2), debug_rep(rep2), debug_argmod(argmod2));
 551                 GL_EXTCALL(glColorFragmentOp3ATI(GL_LERP_ATI, dstreg, GL_NONE, GL_NONE,
 552                                                  extrarg, GL_ALPHA, GL_NONE,
 553                                                  arg1, rep1, argmod1,
 554                                                  arg2, rep2, argmod2));
 555                 break;
 556
 557             case WINED3DTOP_BLENDTEXTUREALPHAPM:
 558                 arg0 = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, NULL, -1);
 559                 TRACE("glColorFragmentOp3ATI(GL_MAD_ATI, %s, GL_NONE, GL_NONE, %s, %s, %s, %s, GL_ALPHA, GL_COMP_BIT_ATI, %s, %s, %s)\n",
 560                       debug_register(dstreg),
 561                       debug_register(arg2), debug_rep(rep2), debug_argmod(argmod2),
 562                       debug_register(arg0),
 563                       debug_register(arg1), debug_rep(rep1), debug_argmod(argmod1));
 564                 GL_EXTCALL(glColorFragmentOp3ATI(GL_MAD_ATI, dstreg, GL_NONE, GL_NONE,
 565                                                  arg2, rep2,  argmod2,
 566                                                  arg0, GL_ALPHA, GL_COMP_BIT_ATI,
 567                                                  arg1, rep1,  argmod1));
 568                 break;
 569
 570             /* D3DTOP_PREMODULATE ???? */
 571
 572             case WINED3DTOP_MODULATEINVALPHA_ADDCOLOR:
 573                 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
 574             case WINED3DTOP_MODULATEALPHA_ADDCOLOR:
 575                 if(!argmodextra) argmodextra = argmod1;
 576                 TRACE("glColorFragmentOp3ATI(GL_MAD_ATI, %s, GL_NONE, GL_SATURATE_BIT_ATI, %s, %s, %s, %s, GL_ALPHA, %s, %s, %s, %s)\n",
 577                       debug_register(dstreg),
 578                       debug_register(arg2), debug_rep(rep2), debug_argmod(argmod2),
 579                       debug_register(arg1), debug_argmod(argmodextra), debug_register(arg1), debug_rep(rep1), debug_argmod(arg1));
 580                 GL_EXTCALL(glColorFragmentOp3ATI(GL_MAD_ATI, dstreg, GL_NONE, GL_SATURATE_BIT_ATI,
 581                                                  arg2, rep2,  argmod2,
 582                                                  arg1, GL_ALPHA, argmodextra,
 583                                                  arg1, rep1,  argmod1));
 584                 break;
 585
 586             case WINED3DTOP_MODULATEINVCOLOR_ADDALPHA:
 587                 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
 588             case WINED3DTOP_MODULATECOLOR_ADDALPHA:
 589                 if(!argmodextra) argmodextra = argmod1;
 590                 TRACE("glColorFragmentOp3ATI(GL_MAD_ATI, %s, GL_NONE, GL_SATURATE_BIT_ATI, %s, %s, %s, %s, %s, %s, %s, GL_ALPHA, %s)\n",
 591                       debug_register(dstreg),
 592                       debug_register(arg2), debug_rep(rep2), debug_argmod(argmod2),
 593                       debug_register(arg1), debug_rep(rep1), debug_argmod(argmodextra),
 594                       debug_register(arg1), debug_argmod(argmod1));
 595                 GL_EXTCALL(glColorFragmentOp3ATI(GL_MAD_ATI, dstreg, GL_NONE, GL_SATURATE_BIT_ATI,
 596                                                  arg2, rep2,  argmod2,
 597                                                  arg1, rep1,  argmodextra,
 598                                                  arg1, GL_ALPHA, argmod1));
 599                 break;
 600
 601             case WINED3DTOP_DOTPRODUCT3:
 602                 TRACE("glColorFragmentOp2ATI(GL_DOT3_ATI, %s, GL_NONE, GL_4X_BIT_ATI | GL_SATURATE_BIT_ATI, %s, %s, %s, %s, %s, %s)\n",
 603                       debug_register(dstreg),
 604                       debug_register(arg1), debug_rep(rep1), debug_argmod(argmod1 | GL_BIAS_BIT_ATI),
 605                       debug_register(arg2), debug_rep(rep2), debug_argmod(argmod2 | GL_BIAS_BIT_ATI));
 606                 GL_EXTCALL(glColorFragmentOp2ATI(GL_DOT3_ATI, dstreg, GL_NONE, GL_4X_BIT_ATI | GL_SATURATE_BIT_ATI,
 607                                                  arg1, rep1, argmod1 | GL_BIAS_BIT_ATI,
 608                                                  arg2, rep2, argmod2 | GL_BIAS_BIT_ATI));
 609                 break;
 610
 611             case WINED3DTOP_MULTIPLYADD:
 612                 TRACE("glColorFragmentOp3ATI(GL_MAD_ATI, %s, GL_NONE, GL_SATURATE_BIT_ATI, %s, %s, %s, %s, %s, %s, %s, %s, %s)\n",
 613                       debug_register(dstreg),
 614                       debug_register(arg1), debug_rep(rep1), debug_argmod(argmod1),
 615                       debug_register(arg2), debug_rep(rep2), debug_argmod(argmod2),
 616                       debug_register(arg0), debug_rep(rep0), debug_argmod(argmod0));
 617                 GL_EXTCALL(glColorFragmentOp3ATI(GL_MAD_ATI, dstreg, GL_NONE, GL_SATURATE_BIT_ATI,
 618                                                  arg1, rep1, argmod1,
 619                                                  arg2, rep2, argmod2,
 620                                                  arg0, rep0, argmod0));
 621                 break;
 622
 623             case WINED3DTOP_LERP:
 624                 TRACE("glColorFragmentOp3ATI(GL_LERP_ATI, %s, GL_NONE, GL_NONE, %s, %s, %s, %s, %s, %s, %s, %s, %s)\n",
 625                       debug_register(dstreg),
 626                       debug_register(arg1), debug_rep(rep1), debug_argmod(argmod1),
 627                       debug_register(arg2), debug_rep(rep2), debug_argmod(argmod2),
 628                       debug_register(arg0), debug_rep(rep0), debug_argmod(argmod0));
 629                 GL_EXTCALL(glColorFragmentOp3ATI(GL_LERP_ATI, dstreg, GL_NONE, GL_NONE,
 630                                                  arg0, rep0, argmod0,
 631                                                  arg1, rep1, argmod1,
 632                                                  arg2, rep2, argmod2));
 633                 break;
 634
 635             case WINED3DTOP_BUMPENVMAP:
 636             case WINED3DTOP_BUMPENVMAPLUMINANCE:
 637                 /* Those are handled in the first pass of the shader(generation pass 1 and 2) already */
 638                 break;
 639
 640             default: FIXME("Unhandled color operation %d on stage %d\n", op[stage].cop, stage);
 641         }
 642
 643         arg0 = register_for_arg(op[stage].aarg0, gl_info, stage, &argmod0, NULL, tmparg);
 644         arg1 = register_for_arg(op[stage].aarg1, gl_info, stage, &argmod1, NULL, tmparg);
 645         arg2 = register_for_arg(op[stage].aarg2, gl_info, stage, &argmod2, NULL, tmparg);
 646         dstmod = GL_NONE;
 647         argmodextra = GL_NONE;
 648         extrarg = GL_NONE;
 649
 650         switch(op[stage].aop) {
 651             case WINED3DTOP_DISABLE:
 652                 /* Get the primary color to the output if on stage 0, otherwise leave register 0 untouched */
 653                 if(stage == 0) {
 654                     TRACE("glAlphaFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE, GL_PRIMARY_COLOR, GL_NONE, GL_NONE)\n");
 655                     GL_EXTCALL(glAlphaFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE,
 656                                GL_PRIMARY_COLOR, GL_NONE, GL_NONE));
 657                 }
 658                 break;
 659
 660             case WINED3DTOP_SELECTARG2:
 661                 arg1 = arg2;
 662                 argmod1 = argmod2;
 663             case WINED3DTOP_SELECTARG1:
 664                 TRACE("glAlphaFragmentOp1ATI(GL_MOV_ATI, %s,          GL_NONE, %s, GL_NONE, %s)\n",
 665                       debug_register(dstreg),
 666                       debug_register(arg1), debug_argmod(argmod1));
 667                 GL_EXTCALL(glAlphaFragmentOp1ATI(GL_MOV_ATI, dstreg, GL_NONE,
 668                                                  arg1, GL_NONE, argmod1));
 669                 break;
 670
 671             case WINED3DTOP_MODULATE4X:
 672                 if(dstmod == GL_NONE) dstmod = GL_4X_BIT_ATI;
 673             case WINED3DTOP_MODULATE2X:
 674                 if(dstmod == GL_NONE) dstmod = GL_2X_BIT_ATI;
 675                 dstmod |= GL_SATURATE_BIT_ATI;
 676             case WINED3DTOP_MODULATE:
 677                 TRACE("glAlphaFragmentOp2ATI(GL_MUL_ATI, %s,          %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 678                       debug_register(dstreg), debug_dstmod(dstmod),
 679                       debug_register(arg1), debug_argmod(argmod1),
 680                       debug_register(arg2), debug_argmod(argmod2));
 681                 GL_EXTCALL(glAlphaFragmentOp2ATI(GL_MUL_ATI, dstreg, dstmod,
 682                                                  arg1, GL_NONE, argmod1,
 683                                                  arg2, GL_NONE, argmod2));
 684                 break;
 685
 686             case WINED3DTOP_ADDSIGNED2X:
 687                 dstmod = GL_2X_BIT_ATI;
 688             case WINED3DTOP_ADDSIGNED:
 689                 argmodextra = GL_BIAS_BIT_ATI;
 690             case WINED3DTOP_ADD:
 691                 dstmod |= GL_SATURATE_BIT_ATI;
 692                 TRACE("glAlphaFragmentOp2ATI(GL_ADD_ATI, %s,          %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 693                       debug_register(dstreg), debug_dstmod(dstmod),
 694                       debug_register(arg1), debug_argmod(argmod1),
 695                       debug_register(arg2), debug_argmod(argmodextra | argmod2));
 696                 GL_EXTCALL(glAlphaFragmentOp2ATI(GL_ADD_ATI, dstreg, dstmod,
 697                                                  arg1, GL_NONE, argmod1,
 698                                                  arg2, GL_NONE, argmodextra | argmod2));
 699                 break;
 700
 701             case WINED3DTOP_SUBTRACT:
 702                 dstmod |= GL_SATURATE_BIT_ATI;
 703                 TRACE("glAlphaFragmentOp2ATI(GL_SUB_ATI, %s, GL_NONE, %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 704                       debug_register(dstreg), debug_dstmod(dstmod),
 705                       debug_register(arg1), debug_argmod(argmod1),
 706                       debug_register(arg2), debug_argmod(argmod2));
 707                 GL_EXTCALL(glAlphaFragmentOp2ATI(GL_SUB_ATI, dstreg, dstmod,
 708                                                  arg1, GL_NONE, argmod1,
 709                                                  arg2, GL_NONE, argmod2));
 710                 break;
 711
 712             case WINED3DTOP_ADDSMOOTH:
 713                 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
 714                 TRACE("glAlphaFragmentOp3ATI(GL_MAD_ATI, %s,          GL_SATURATE_BIT_ATI, %s, GL_NONE, %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 715                       debug_register(dstreg),
 716                       debug_register(arg2), debug_argmod(argmod2),
 717                       debug_register(arg1), debug_argmod(argmodextra),
 718                       debug_register(arg1), debug_argmod(argmod1));
 719                 /* Dst = arg1 + * arg2(1 -arg 1)
 720                  *     = arg2 * (1 - arg1) + arg1
 721                  */
 722                 GL_EXTCALL(glAlphaFragmentOp3ATI(GL_MAD_ATI, dstreg, GL_SATURATE_BIT_ATI,
 723                                                  arg2, GL_NONE, argmod2,
 724                                                  arg1, GL_NONE, argmodextra,
 725                                                  arg1, GL_NONE, argmod1));
 726                 break;
 727
 728             case WINED3DTOP_BLENDCURRENTALPHA:
 729                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_CURRENT, gl_info, stage, NULL, NULL, -1);
 730             case WINED3DTOP_BLENDFACTORALPHA:
 731                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TFACTOR, gl_info, stage, NULL, NULL, -1);
 732             case WINED3DTOP_BLENDTEXTUREALPHA:
 733                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, NULL, -1);
 734             case WINED3DTOP_BLENDDIFFUSEALPHA:
 735                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_DIFFUSE, gl_info, stage, NULL, NULL, -1);
 736                 TRACE("glAlphaFragmentOp3ATI(GL_LERP_ATI, %s,          GL_NONE, %s, GL_ALPHA, GL_NONE, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 737                       debug_register(dstreg),
 738                       debug_register(extrarg),
 739                       debug_register(arg1), debug_argmod(argmod1),
 740                       debug_register(arg2), debug_argmod(argmod2));
 741                 GL_EXTCALL(glAlphaFragmentOp3ATI(GL_LERP_ATI, dstreg, GL_NONE,
 742                                                  extrarg, GL_ALPHA, GL_NONE,
 743                                                  arg1, GL_NONE, argmod1,
 744                                                  arg2, GL_NONE, argmod2));
 745                 break;
 746
 747             case WINED3DTOP_BLENDTEXTUREALPHAPM:
 748                 arg0 = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, NULL, -1);
 749                 TRACE("glAlphaFragmentOp3ATI(GL_MAD_ATI, %s,          GL_NONE, %s, GL_NONE, %s, %s, GL_ALPHA, GL_COMP_BIT_ATI, %s, GL_NONE, %s)\n",
 750                       debug_register(dstreg),
 751                       debug_register(arg2), debug_argmod(argmod2),
 752                       debug_register(arg0),
 753                       debug_register(arg1), debug_argmod(argmod1));
 754                 GL_EXTCALL(glAlphaFragmentOp3ATI(GL_MAD_ATI, dstreg, GL_NONE,
 755                                                  arg2, GL_NONE,  argmod2,
 756                                                  arg0, GL_ALPHA, GL_COMP_BIT_ATI,
 757                                                  arg1, GL_NONE,  argmod1));
 758                 break;
 759
 760             /* D3DTOP_PREMODULATE ???? */
 761
 762             case WINED3DTOP_DOTPRODUCT3:
 763                 TRACE("glAlphaFragmentOp2ATI(GL_DOT3_ATI, %s,          GL_4X_BIT_ATI | GL_SATURATE_BIT_ATI, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 764                       debug_register(dstreg),
 765                       debug_register(arg1), debug_argmod(argmod1 | GL_BIAS_BIT_ATI),
 766                       debug_register(arg2), debug_argmod(argmod2 | GL_BIAS_BIT_ATI));
 767                 GL_EXTCALL(glAlphaFragmentOp2ATI(GL_DOT3_ATI, dstreg, GL_4X_BIT_ATI | GL_SATURATE_BIT_ATI,
 768                                                  arg1, GL_NONE, argmod1 | GL_BIAS_BIT_ATI,
 769                                                  arg2, GL_NONE, argmod2 | GL_BIAS_BIT_ATI));
 770                 break;
 771
 772             case WINED3DTOP_MULTIPLYADD:
 773                 TRACE("glAlphaFragmentOp3ATI(GL_MAD_ATI, %s,          GL_SATURATE_BIT_ATI, %s, GL_NONE, %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 774                       debug_register(dstreg),
 775                       debug_register(arg1), debug_argmod(argmod1),
 776                       debug_register(arg2), debug_argmod(argmod2),
 777                       debug_register(arg0), debug_argmod(argmod0));
 778                 GL_EXTCALL(glAlphaFragmentOp3ATI(GL_MAD_ATI, dstreg,          GL_SATURATE_BIT_ATI,
 779                            arg1, GL_NONE, argmod1,
 780                            arg2, GL_NONE, argmod2,
 781                            arg0, GL_NONE, argmod0));
 782                 break;
 783
 784             case WINED3DTOP_LERP:
 785                 TRACE("glAlphaFragmentOp3ATI(GL_LERP_ATI, %s,          GL_SATURATE_BIT_ATI, %s, GL_NONE, %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 786                       debug_register(dstreg),
 787                       debug_register(arg1), debug_argmod(argmod1),
 788                       debug_register(arg2), debug_argmod(argmod2),
 789                       debug_register(arg0), debug_argmod(argmod0));
 790                 GL_EXTCALL(glAlphaFragmentOp3ATI(GL_LERP_ATI, dstreg, GL_SATURATE_BIT_ATI,
 791                                                  arg1, GL_NONE, argmod1,
 792                                                  arg2, GL_NONE, argmod2,
 793                                                  arg0, GL_NONE, argmod0));
 794                 break;
 795
 796             case WINED3DTOP_MODULATEINVALPHA_ADDCOLOR:
 797             case WINED3DTOP_MODULATEALPHA_ADDCOLOR:
 798             case WINED3DTOP_MODULATECOLOR_ADDALPHA:
 799             case WINED3DTOP_MODULATEINVCOLOR_ADDALPHA:
 800             case WINED3DTOP_BUMPENVMAP:
 801             case WINED3DTOP_BUMPENVMAPLUMINANCE:
 802                 ERR("Application uses an invalid alpha operation\n");
 803                 break;
 804
 805             default: FIXME("Unhandled alpha operation %d on stage %d\n", op[stage].aop, stage);
 806         }
 807     }
 808
 809     TRACE("glEndFragmentShaderATI()\n");
 810     GL_EXTCALL(glEndFragmentShaderATI());
 811     checkGLcall("GL_EXTCALL(glEndFragmentShaderATI())");
 812     return ret;
 813 }
 814 #undef GLINFO_LOCATION
 815
 816 #define GLINFO_LOCATION stateblock->wineD3DDevice->adapter->gl_info
 817 static void set_tex_op_atifs(DWORD state, IWineD3DStateBlockImpl *stateblock, WineD3DContext *context) {
 818     IWineD3DDeviceImpl          *This = stateblock->wineD3DDevice;
 819     const struct atifs_ffp_desc *desc;
 820     struct ffp_frag_settings     settings;
 821     struct atifs_private_data   *priv = (struct atifs_private_data *) This->fragment_priv;
 822     DWORD mapped_stage;
 823     unsigned int i;
 824
 825     gen_ffp_frag_op(stateblock, &settings, TRUE);
 826     desc = (const struct atifs_ffp_desc *)find_ffp_frag_shader(priv->fragment_shaders, &settings);
 827     if(!desc) {
 828         struct atifs_ffp_desc *new_desc = HeapAlloc(GetProcessHeap(), 0, sizeof(*new_desc));
 829         if (!new_desc)
 830         {
 831             ERR("Out of memory\n");
 832             return;
 833         }
 834         new_desc->num_textures_used = 0;
 835         for(i = 0; i < GL_LIMITS(texture_stages); i++) {
 836             if(settings.op[i].cop == WINED3DTOP_DISABLE) break;
 837             new_desc->num_textures_used = i;
 838         }
 839
 840         memcpy(&new_desc->parent.settings, &settings, sizeof(settings));
 841         new_desc->shader = gen_ati_shader(settings.op, &GLINFO_LOCATION);
 842         add_ffp_frag_shader(priv->fragment_shaders, &new_desc->parent);
 843         TRACE("Allocated fixed function replacement shader descriptor %p\n", new_desc);
 844         desc = new_desc;
 845     }
 846
 847     /* GL_ATI_fragment_shader depends on the GL_TEXTURE_xD enable settings. Update the texture stages
 848      * used by this shader
 849      */
 850     for(i = 0; i < desc->num_textures_used; i++) {
 851         mapped_stage = This->texUnitMap[i];
 852         if(mapped_stage != -1) {
 853             GL_EXTCALL(glActiveTextureARB(GL_TEXTURE0_ARB + mapped_stage));
 854             checkGLcall("glActiveTextureARB");
 855             texture_activate_dimensions(i, stateblock, context);
 856         }
 857     }
 858
 859     GL_EXTCALL(glBindFragmentShaderATI(desc->shader));
 860 }
 861
 862 static void state_texfactor_atifs(DWORD state, IWineD3DStateBlockImpl *stateblock, WineD3DContext *context) {
 863     float col[4];
 864     D3DCOLORTOGLFLOAT4(stateblock->renderState[WINED3DRS_TEXTUREFACTOR], col);
 865
 866     GL_EXTCALL(glSetFragmentShaderConstantATI(ATI_FFP_CONST_TFACTOR, col));
 867     checkGLcall("glSetFragmentShaderConstantATI(ATI_FFP_CONST_TFACTOR, col)");
 868 }
 869
 870 static void set_bumpmat(DWORD state, IWineD3DStateBlockImpl *stateblock, WineD3DContext *context) {
 871     DWORD stage = (state - STATE_TEXTURESTAGE(0, 0)) / WINED3D_HIGHEST_TEXTURE_STATE;
 872     float mat[2][2];
 873
 874     mat[0][0] = *((float *) &stateblock->textureState[stage][WINED3DTSS_BUMPENVMAT00]);
 875     mat[1][0] = *((float *) &stateblock->textureState[stage][WINED3DTSS_BUMPENVMAT01]);
 876     mat[0][1] = *((float *) &stateblock->textureState[stage][WINED3DTSS_BUMPENVMAT10]);
 877     mat[1][1] = *((float *) &stateblock->textureState[stage][WINED3DTSS_BUMPENVMAT11]);
 878     /* GL_ATI_fragment_shader allows only constants from 0.0 to 1.0, but the bumpmat
 879      * constants can be in any range. While they should stay between [-1.0 and 1.0] because
 880      * Shader Model 1.x pixel shaders are clamped to that range negative values are used occasionally,
 881      * for example by our d3d9 test. So to get negative values scale -1;1 to 0;1 and undo that in the
 882      * shader(it is free). This might potentially reduce precision. However, if the hardware does
 883      * support proper floats it shouldn't, and if it doesn't we can't get anything better anyway
 884      */
 885     mat[0][0] = (mat[0][0] + 1.0) * 0.5;
 886     mat[1][0] = (mat[1][0] + 1.0) * 0.5;
 887     mat[0][1] = (mat[0][1] + 1.0) * 0.5;
 888     mat[1][1] = (mat[1][1] + 1.0) * 0.5;
 889     GL_EXTCALL(glSetFragmentShaderConstantATI(ATI_FFP_CONST_BUMPMAT(stage), (float *) mat));
 890     checkGLcall("glSetFragmentShaderConstantATI(ATI_FFP_CONST_BUMPMAT(stage), mat)");
 891 }
 892
 893 static void textransform(DWORD state, IWineD3DStateBlockImpl *stateblock, WineD3DContext *context) {
 894     if(!isStateDirty(context, STATE_PIXELSHADER)) {
 895         set_tex_op_atifs(state, stateblock, context);
 896     }
 897 }
 898
 899 #undef GLINFO_LOCATION
 900
 901 static const struct StateEntryTemplate atifs_fragmentstate_template[] = {
 902     {STATE_RENDER(WINED3DRS_TEXTUREFACTOR),               { STATE_RENDER(WINED3DRS_TEXTUREFACTOR),              state_texfactor_atifs   }, 0                               },
 903     {STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 904     {STATE_TEXTURESTAGE(0, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 905     {STATE_TEXTURESTAGE(0, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 906     {STATE_TEXTURESTAGE(0, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 907     {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 908     {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 909     {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 910     {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 911     {STATE_TEXTURESTAGE(0, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 912     {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 913     {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 914     {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 915     {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 916     {STATE_TEXTURESTAGE(1, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 917     {STATE_TEXTURESTAGE(1, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 918     {STATE_TEXTURESTAGE(1, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 919     {STATE_TEXTURESTAGE(1, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 920     {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 921     {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 922     {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 923     {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 924     {STATE_TEXTURESTAGE(1, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 925     {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 926     {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 927     {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 928     {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 929     {STATE_TEXTURESTAGE(2, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 930     {STATE_TEXTURESTAGE(2, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 931     {STATE_TEXTURESTAGE(2, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 932     {STATE_TEXTURESTAGE(2, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 933     {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 934     {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 935     {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 936     {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 937     {STATE_TEXTURESTAGE(2, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 938     {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 939     {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 940     {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 941     {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 942     {STATE_TEXTURESTAGE(3, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 943     {STATE_TEXTURESTAGE(3, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 944     {STATE_TEXTURESTAGE(3, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 945     {STATE_TEXTURESTAGE(3, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 946     {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 947     {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 948     {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 949     {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 950     {STATE_TEXTURESTAGE(3, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 951     {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 952     {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 953     {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 954     {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 955     {STATE_TEXTURESTAGE(4, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 956     {STATE_TEXTURESTAGE(4, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 957     {STATE_TEXTURESTAGE(4, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 958     {STATE_TEXTURESTAGE(4, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 959     {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 960     {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 961     {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 962     {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 963     {STATE_TEXTURESTAGE(4, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 964     {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 965     {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 966     {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 967     {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 968     {STATE_TEXTURESTAGE(5, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 969     {STATE_TEXTURESTAGE(5, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 970     {STATE_TEXTURESTAGE(5, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 971     {STATE_TEXTURESTAGE(5, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 972     {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 973     {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 974     {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 975     {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 976     {STATE_TEXTURESTAGE(5, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 977     {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 978     {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 979     {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 980     {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 981     {STATE_TEXTURESTAGE(6, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 982     {STATE_TEXTURESTAGE(6, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 983     {STATE_TEXTURESTAGE(6, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 984     {STATE_TEXTURESTAGE(6, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 985     {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 986     {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 987     {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 988     {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 989     {STATE_TEXTURESTAGE(6, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 990     {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 991     {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 992     {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 993     {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 994     {STATE_TEXTURESTAGE(7, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 995     {STATE_TEXTURESTAGE(7, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 996     {STATE_TEXTURESTAGE(7, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 997     {STATE_TEXTURESTAGE(7, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 998     {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 999     {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
1000     {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
1001     {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
1002     {STATE_TEXTURESTAGE(7, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
1003     {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
1004     {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
1005     {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
1006     {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
1007     { STATE_SAMPLER(0),                                   { STATE_SAMPLER(0),                                   sampler_texdim          }, 0                               },
1008     { STATE_SAMPLER(1),                                   { STATE_SAMPLER(1),                                   sampler_texdim          }, 0                               },
1009     { STATE_SAMPLER(2),                                   { STATE_SAMPLER(2),                                   sampler_texdim          }, 0                               },
1010     { STATE_SAMPLER(3),                                   { STATE_SAMPLER(3),                                   sampler_texdim          }, 0                               },
1011     { STATE_SAMPLER(4),                                   { STATE_SAMPLER(4),                                   sampler_texdim          }, 0                               },
1012     { STATE_SAMPLER(5),                                   { STATE_SAMPLER(5),                                   sampler_texdim          }, 0                               },
1013     { STATE_SAMPLER(6),                                   { STATE_SAMPLER(6),                                   sampler_texdim          }, 0                               },
1014     { STATE_SAMPLER(7),                                   { STATE_SAMPLER(7),                                   sampler_texdim          }, 0                               },
1015     {STATE_TEXTURESTAGE(0,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(0, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1016     {STATE_TEXTURESTAGE(1,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(1, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1017     {STATE_TEXTURESTAGE(2,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(2, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1018     {STATE_TEXTURESTAGE(3,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(3, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1019     {STATE_TEXTURESTAGE(4,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(4, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1020     {STATE_TEXTURESTAGE(5,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(5, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1021     {STATE_TEXTURESTAGE(6,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(6, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1022     {STATE_TEXTURESTAGE(7,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(7, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1023     {0 /* Terminate */,                                   { 0,                                                  0                       }, 0                               },
1024 };
1025
1026 static void atifs_enable(IWineD3DDevice *iface, BOOL enable) {
1027     if(enable) {
1028         glEnable(GL_FRAGMENT_SHADER_ATI);
1029         checkGLcall("glEnable(GL_FRAGMENT_SHADER_ATI)");
1030     } else {
1031         glDisable(GL_FRAGMENT_SHADER_ATI);
1032         checkGLcall("glDisable(GL_FRAGMENT_SHADER_ATI)");
1033     }
1034 }
1035
1036 static void atifs_get_caps(WINED3DDEVTYPE devtype, const WineD3D_GL_Info *gl_info, struct fragment_caps *caps)
1037 {
1038     caps->TextureOpCaps =  WINED3DTEXOPCAPS_DISABLE                     |
1039                            WINED3DTEXOPCAPS_SELECTARG1                  |
1040                            WINED3DTEXOPCAPS_SELECTARG2                  |
1041                            WINED3DTEXOPCAPS_MODULATE4X                  |
1042                            WINED3DTEXOPCAPS_MODULATE2X                  |
1043                            WINED3DTEXOPCAPS_MODULATE                    |
1044                            WINED3DTEXOPCAPS_ADDSIGNED2X                 |
1045                            WINED3DTEXOPCAPS_ADDSIGNED                   |
1046                            WINED3DTEXOPCAPS_ADD                         |
1047                            WINED3DTEXOPCAPS_SUBTRACT                    |
1048                            WINED3DTEXOPCAPS_ADDSMOOTH                   |
1049                            WINED3DTEXOPCAPS_BLENDCURRENTALPHA           |
1050                            WINED3DTEXOPCAPS_BLENDFACTORALPHA            |
1051                            WINED3DTEXOPCAPS_BLENDTEXTUREALPHA           |
1052                            WINED3DTEXOPCAPS_BLENDDIFFUSEALPHA           |
1053                            WINED3DTEXOPCAPS_BLENDTEXTUREALPHAPM         |
1054                            WINED3DTEXOPCAPS_MODULATEALPHA_ADDCOLOR      |
1055                            WINED3DTEXOPCAPS_MODULATECOLOR_ADDALPHA      |
1056                            WINED3DTEXOPCAPS_MODULATEINVCOLOR_ADDALPHA   |
1057                            WINED3DTEXOPCAPS_MODULATEINVALPHA_ADDCOLOR   |
1058                            WINED3DTEXOPCAPS_DOTPRODUCT3                 |
1059                            WINED3DTEXOPCAPS_MULTIPLYADD                 |
1060                            WINED3DTEXOPCAPS_LERP                        |
1061                            WINED3DTEXOPCAPS_BUMPENVMAP;
1062
1063     /* TODO: Implement WINED3DTEXOPCAPS_BUMPENVMAPLUMINANCE
1064     and WINED3DTEXOPCAPS_PREMODULATE */
1065
1066     /* GL_ATI_fragment_shader always supports 6 textures, which was the limit on r200 cards
1067      * which this extension is exclusively focused on(later cards have GL_ARB_fragment_program).
1068      * If the current card has more than 8 fixed function textures in OpenGL's regular fixed
1069      * function pipeline then the ATI_fragment_shader backend imposes a stricter limit. This
1070      * shouldn't be too hard since Nvidia cards have a limit of 4 textures with the default ffp
1071      * pipeline, and almost all games are happy with that. We can however support up to 8
1072      * texture stages because we have a 2nd pass limit of 8 instructions, and per stage we use
1073      * only 1 instruction.
1074      *
1075      * The proper fix for this is not to use GL_ATI_fragment_shader on cards newer than the
1076      * r200 series and use an ARB or GLSL shader instead
1077      */
1078     caps->MaxTextureBlendStages   = 8;
1079     caps->MaxSimultaneousTextures = 6;
1080
1081     caps->PrimitiveMiscCaps |= WINED3DPMISCCAPS_TSSARGTEMP;
1082 }
1083
1084 static HRESULT atifs_alloc(IWineD3DDevice *iface) {
1085     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *) iface;
1086     struct atifs_private_data *priv;
1087
1088     This->fragment_priv = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct atifs_private_data));
1089     if(!This->fragment_priv) {
1090         ERR("Out of memory\n");
1091         return E_OUTOFMEMORY;
1092     }
1093     priv = (struct atifs_private_data *) This->fragment_priv;
1094     priv->fragment_shaders = hash_table_create(ffp_frag_program_key_hash, ffp_frag_program_key_compare);
1095     return WINED3D_OK;
1096 }
1097
1098 #define GLINFO_LOCATION This->adapter->gl_info
1099 static void atifs_free_ffpshader(void *value, void *device) {
1100     IWineD3DDeviceImpl *This = device;
1101     struct atifs_ffp_desc *entry_ati = value;
1102
1103     ENTER_GL();
1104     GL_EXTCALL(glDeleteFragmentShaderATI(entry_ati->shader));
1105     checkGLcall("glDeleteFragmentShaderATI(entry->shader)");
1106     HeapFree(GetProcessHeap(), 0, entry_ati);
1107     LEAVE_GL();
1108 }
1109
1110 static void atifs_free(IWineD3DDevice *iface) {
1111     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *) iface;
1112     struct atifs_private_data *priv = (struct atifs_private_data *) This->fragment_priv;
1113
1114     hash_table_destroy(priv->fragment_shaders, atifs_free_ffpshader, This);
1115
1116     HeapFree(GetProcessHeap(), 0, priv);
1117     This->fragment_priv = NULL;
1118 }
1119 #undef GLINFO_LOCATION
1120
1121 static BOOL atifs_color_fixup_supported(struct color_fixup_desc fixup)
1122 {
1123     if (TRACE_ON(d3d_shader) && TRACE_ON(d3d))
1124     {
1125         TRACE("Checking support for fixup:\n");
1126         dump_color_fixup_desc(fixup);
1127     }
1128
1129     /* We only support sign fixup of the first two channels. */
1130     if (fixup.x_source == CHANNEL_SOURCE_X && fixup.y_source == CHANNEL_SOURCE_Y
1131             && fixup.z_source == CHANNEL_SOURCE_Z && fixup.w_source == CHANNEL_SOURCE_W
1132             && !fixup.z_sign_fixup && !fixup.w_sign_fixup)
1133     {
1134         TRACE("[OK]\n");
1135         return TRUE;
1136     }
1137
1138     TRACE("[FAILED]\n");
1139     return FALSE;
1140 }
1141
1142 const struct fragment_pipeline atifs_fragment_pipeline = {
1143     atifs_enable,
1144     atifs_get_caps,
1145     atifs_alloc,
1146     atifs_free,
1147     atifs_color_fixup_supported,
1148     atifs_fragmentstate_template,
1149     TRUE /* We can disable projected textures */
1150 };