git.oblomov.eu Git - wine/blob - 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 static const char *debug_op(GLuint op) {
 163     switch(op) {
 164         case GL_MOV_ATI:                return "GL_MOV_ATI";
 165         case GL_ADD_ATI:                return "GL_ADD_ATI";
 166         case GL_MUL_ATI:                return "GL_MUL_ATI";
 167         case GL_SUB_ATI:                return "GL_SUB_ATI";
 168         case GL_DOT3_ATI:               return "GL_DOT3_ATI";
 169         case GL_DOT4_ATI:               return "GL_DOT4_ATI";
 170         case GL_MAD_ATI:                return "GL_MAD_ATI";
 171         case GL_LERP_ATI:               return "GL_LERP_ATI";
 172         case GL_CND_ATI:                return "GL_CND_ATI";
 173         case GL_CND0_ATI:               return "GL_CND0_ATI";
 174         case GL_DOT2_ADD_ATI:           return "GL_DOT2_ADD_ATI";
 175         default:                        return "unexpected op";
 176     }
 177 }
 178
 179 static const char *debug_mask(GLuint mask) {
 180     switch(mask) {
 181         case GL_NONE:                           return "GL_NONE";
 182         case GL_RED_BIT_ATI:                    return "GL_RED_BIT_ATI";
 183         case GL_GREEN_BIT_ATI:                  return "GL_GREEN_BIT_ATI";
 184         case GL_BLUE_BIT_ATI:                   return "GL_BLUE_BIT_ATI";
 185         case GL_RED_BIT_ATI | GL_GREEN_BIT_ATI: return "GL_RED_BIT_ATI | GL_GREEN_BIT_ATI";
 186         case GL_RED_BIT_ATI | GL_BLUE_BIT_ATI:  return "GL_RED_BIT_ATI | GL_BLUE_BIT_ATI";
 187         case GL_GREEN_BIT_ATI | GL_BLUE_BIT_ATI:return "GL_GREEN_BIT_ATI | GL_BLUE_BIT_ATI";
 188         case GL_RED_BIT_ATI | GL_GREEN_BIT_ATI | GL_BLUE_BIT_ATI:return "GL_RED_BIT_ATI | GL_GREEN_BIT_ATI | GL_BLUE_BIT_ATI";
 189         default:                                return "Unexpected writemask";
 190     }
 191 }
 192 #define GLINFO_LOCATION (*gl_info)
 193
 194 static void wrap_op1(const WineD3D_GL_Info *gl_info, GLuint op, GLuint dst, GLuint dstMask, GLuint dstMod,
 195                      GLuint arg1, GLuint arg1Rep, GLuint arg1Mod) {
 196     if(dstMask == GL_ALPHA) {
 197         TRACE("glAlphaFragmentOp1ATI(%s, %s, %s, %s, %s, %s)\n", debug_op(op), debug_register(dst), debug_dstmod(dstMod),
 198               debug_register(arg1), debug_rep(arg1Rep), debug_argmod(arg1Mod));
 199         GL_EXTCALL(glAlphaFragmentOp1ATI(op, dst, dstMod, arg1, arg1Rep, arg1Mod));
 200     } else {
 201         TRACE("glColorFragmentOp1ATI(%s, %s, %s, %s, %s, %s, %s)\n", debug_op(op), debug_register(dst),
 202               debug_mask(dstMask), debug_dstmod(dstMod),
 203               debug_register(arg1), debug_rep(arg1Rep), debug_argmod(arg1Mod));
 204         GL_EXTCALL(glColorFragmentOp1ATI(op, dst, dstMask, dstMod, arg1, arg1Rep, arg1Mod));
 205     }
 206 }
 207
 208 static void wrap_op2(const WineD3D_GL_Info *gl_info, GLuint op, GLuint dst, GLuint dstMask, GLuint dstMod,
 209                      GLuint arg1, GLuint arg1Rep, GLuint arg1Mod,
 210                      GLuint arg2, GLuint arg2Rep, GLuint arg2Mod) {
 211     if(dstMask == GL_ALPHA) {
 212         TRACE("glAlphaFragmentOp2ATI(%s, %s, %s, %s, %s, %s, %s, %s, %s)\n", debug_op(op), debug_register(dst), debug_dstmod(dstMod),
 213               debug_register(arg1), debug_rep(arg1Rep), debug_argmod(arg1Mod),
 214               debug_register(arg2), debug_rep(arg2Rep), debug_argmod(arg2Mod));
 215         GL_EXTCALL(glAlphaFragmentOp2ATI(op, dst, dstMod, arg1, arg1Rep, arg1Mod, arg2, arg2Rep, arg2Mod));
 216     } else {
 217         TRACE("glColorFragmentOp2ATI(%s, %s, %s, %s, %s, %s, %s, %s, %s, %s)\n", debug_op(op), debug_register(dst),
 218               debug_mask(dstMask), debug_dstmod(dstMod),
 219               debug_register(arg1), debug_rep(arg1Rep), debug_argmod(arg1Mod),
 220               debug_register(arg2), debug_rep(arg2Rep), debug_argmod(arg2Mod));
 221         GL_EXTCALL(glColorFragmentOp2ATI(op, dst, dstMask, dstMod, arg1, arg1Rep, arg1Mod, arg2, arg2Rep, arg2Mod));
 222     }
 223 }
 224
 225 static void wrap_op3(const WineD3D_GL_Info *gl_info, GLuint op, GLuint dst, GLuint dstMask, GLuint dstMod,
 226                      GLuint arg1, GLuint arg1Rep, GLuint arg1Mod,
 227                      GLuint arg2, GLuint arg2Rep, GLuint arg2Mod,
 228                      GLuint arg3, GLuint arg3Rep, GLuint arg3Mod) {
 229     if(dstMask == GL_ALPHA) {
 230         /* Leave some free space to fit "GL_NONE, " in to align most alpha and color op lines */
 231         TRACE("glAlphaFragmentOp3ATI(%s, %s,          %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)\n", debug_op(op), debug_register(dst), debug_dstmod(dstMod),
 232               debug_register(arg1), debug_rep(arg1Rep), debug_argmod(arg1Mod),
 233               debug_register(arg2), debug_rep(arg2Rep), debug_argmod(arg2Mod),
 234               debug_register(arg3), debug_rep(arg3Rep), debug_argmod(arg3Mod));
 235         GL_EXTCALL(glAlphaFragmentOp3ATI(op, dst, dstMod,
 236                                          arg1, arg1Rep, arg1Mod,
 237                                          arg2, arg2Rep, arg2Mod,
 238                                          arg3, arg3Rep, arg3Mod));
 239     } else {
 240         TRACE("glColorFragmentOp3ATI(%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)\n", debug_op(op), debug_register(dst),
 241               debug_mask(dstMask), debug_dstmod(dstMod),
 242               debug_register(arg1), debug_rep(arg1Rep), debug_argmod(arg1Mod),
 243               debug_register(arg2), debug_rep(arg2Rep), debug_argmod(arg2Mod),
 244               debug_register(arg3), debug_rep(arg3Rep), debug_argmod(arg3Mod));
 245         GL_EXTCALL(glColorFragmentOp3ATI(op, dst, dstMask, dstMod,
 246                                          arg1, arg1Rep, arg1Mod,
 247                                          arg2, arg2Rep, arg2Mod,
 248                                          arg3, arg3Rep, arg3Mod));
 249     }
 250 }
 251
 252 static GLuint register_for_arg(DWORD arg, const WineD3D_GL_Info *gl_info,
 253         unsigned int stage, GLuint *mod, GLuint *rep, GLuint tmparg)
 254 {
 255     GLenum ret;
 256
 257     if(mod) *mod = GL_NONE;
 258     if(arg == ARG_UNUSED)
 259     {
 260         if (rep) *rep = GL_NONE;
 261         return -1; /* This is the marker for unused registers */
 262     }
 263
 264     switch(arg & WINED3DTA_SELECTMASK) {
 265         case WINED3DTA_DIFFUSE:
 266             ret = GL_PRIMARY_COLOR;
 267             break;
 268
 269         case WINED3DTA_CURRENT:
 270             /* Note that using GL_REG_0_ATI for the passed on register is safe because
 271              * texture0 is read at stage0, so in the worst case it is read in the
 272              * instruction writing to reg0. Afterwards texture0 is not used any longer.
 273              * If we're reading from current
 274              */
 275             if(stage == 0) {
 276                 ret = GL_PRIMARY_COLOR;
 277             } else {
 278                 ret = GL_REG_0_ATI;
 279             }
 280             break;
 281
 282         case WINED3DTA_TEXTURE:
 283             ret = GL_REG_0_ATI + stage;
 284             break;
 285
 286         case WINED3DTA_TFACTOR:
 287             ret = ATI_FFP_CONST_TFACTOR;
 288             break;
 289
 290         case WINED3DTA_SPECULAR:
 291             ret = GL_SECONDARY_INTERPOLATOR_ATI;
 292             break;
 293
 294         case WINED3DTA_TEMP:
 295             ret = tmparg;
 296             break;
 297
 298         case WINED3DTA_CONSTANT:
 299             FIXME("Unhandled source argument WINED3DTA_TEMP\n");
 300             ret = GL_CON_0_ATI;
 301             break;
 302
 303         default:
 304             FIXME("Unknown source argument %d\n", arg);
 305             ret = GL_ZERO;
 306     }
 307
 308     if(arg & WINED3DTA_COMPLEMENT) {
 309         if(mod) *mod |= GL_COMP_BIT_ATI;
 310     }
 311     if(arg & WINED3DTA_ALPHAREPLICATE) {
 312         if(rep) *rep = GL_ALPHA;
 313     } else {
 314         if(rep) *rep = GL_NONE;
 315     }
 316     return ret;
 317 }
 318
 319 static GLuint find_tmpreg(const struct texture_stage_op op[MAX_TEXTURES])
 320 {
 321     int lowest_read = -1;
 322     int lowest_write = -1;
 323     int i;
 324     BOOL tex_used[MAX_TEXTURES];
 325
 326     memset(tex_used, 0, sizeof(tex_used));
 327     for(i = 0; i < MAX_TEXTURES; i++) {
 328         if(op[i].cop == WINED3DTOP_DISABLE) {
 329             break;
 330         }
 331
 332         if(lowest_read == -1 &&
 333           (op[i].carg1 == WINED3DTA_TEMP || op[i].carg2 == WINED3DTA_TEMP || op[i].carg0 == WINED3DTA_TEMP ||
 334            op[i].aarg1 == WINED3DTA_TEMP || op[i].aarg2 == WINED3DTA_TEMP || op[i].aarg0 == WINED3DTA_TEMP)) {
 335             lowest_read = i;
 336         }
 337
 338         if(lowest_write == -1 && op[i].dst == tempreg) {
 339             lowest_write = i;
 340         }
 341
 342         if(op[i].carg1 == WINED3DTA_TEXTURE || op[i].carg2 == WINED3DTA_TEXTURE || op[i].carg0 == WINED3DTA_TEXTURE ||
 343            op[i].aarg1 == WINED3DTA_TEXTURE || op[i].aarg2 == WINED3DTA_TEXTURE || op[i].aarg0 == WINED3DTA_TEXTURE) {
 344             tex_used[i] = TRUE;
 345         }
 346     }
 347
 348     /* Temp reg not read? We don't need it, return GL_NONE */
 349     if(lowest_read == -1) return GL_NONE;
 350
 351     if(lowest_write >= lowest_read) {
 352         FIXME("Temp register read before being written\n");
 353     }
 354
 355     if(lowest_write == -1) {
 356         /* This needs a test. Maybe we are supposed to return 0.0/0.0/0.0/0.0, or fail drawprim, or whatever */
 357         FIXME("Temp register read without being written\n");
 358         return GL_REG_1_ATI;
 359     } else if(lowest_write >= 1) {
 360         /* If we're writing to the temp reg at earliest in stage 1, we can use register 1 for the temp result.
 361          * there may be texture data stored in reg 1, but we do not need it any longer since stage 1 already
 362          * read it
 363          */
 364         return GL_REG_1_ATI;
 365     } else {
 366         /* Search for a free texture register. We have 6 registers available. GL_REG_0_ATI is already used
 367          * for the regular result
 368          */
 369         for(i = 1; i < 6; i++) {
 370             if(!tex_used[i]) {
 371                 return GL_REG_0_ATI + i;
 372             }
 373         }
 374         /* What to do here? Report it in ValidateDevice? */
 375         FIXME("Could not find a register for the temporary register\n");
 376         return 0;
 377     }
 378 }
 379
 380 static GLuint gen_ati_shader(const struct texture_stage_op op[MAX_TEXTURES], const WineD3D_GL_Info *gl_info)
 381 {
 382     GLuint ret = GL_EXTCALL(glGenFragmentShadersATI(1));
 383     unsigned int stage;
 384     GLuint arg0, arg1, arg2, extrarg;
 385     GLuint dstmod, argmod0, argmod1, argmod2, argmodextra;
 386     GLuint rep0, rep1, rep2;
 387     GLuint swizzle;
 388     GLuint tmparg = find_tmpreg(op);
 389     GLuint dstreg;
 390
 391     if(!ret) {
 392         ERR("Failed to generate a GL_ATI_fragment_shader shader id\n");
 393         return 0;
 394     }
 395     GL_EXTCALL(glBindFragmentShaderATI(ret));
 396     checkGLcall("GL_EXTCALL(glBindFragmentShaderATI(ret))");
 397
 398     TRACE("glBeginFragmentShaderATI()\n");
 399     GL_EXTCALL(glBeginFragmentShaderATI());
 400     checkGLcall("GL_EXTCALL(glBeginFragmentShaderATI())");
 401
 402     /* Pass 1: Generate sampling instructions for perturbation maps */
 403       for(stage = 0; stage < GL_LIMITS(textures); stage++) {
 404         if(op[stage].cop == WINED3DTOP_DISABLE) break;
 405         if(op[stage].cop != WINED3DTOP_BUMPENVMAP &&
 406            op[stage].cop != WINED3DTOP_BUMPENVMAPLUMINANCE) continue;
 407
 408         TRACE("glSampleMapATI(GL_REG_%d_ATI, GL_TEXTURE_%d_ARB, GL_SWIZZLE_STR_ATI)\n",
 409               stage, stage);
 410         GL_EXTCALL(glSampleMapATI(GL_REG_0_ATI + stage,
 411                    GL_TEXTURE0_ARB + stage,
 412                    GL_SWIZZLE_STR_ATI));
 413         if(op[stage + 1].projected == proj_none) {
 414             swizzle = GL_SWIZZLE_STR_ATI;
 415         } else if(op[stage + 1].projected == proj_count4) {
 416             swizzle = GL_SWIZZLE_STQ_DQ_ATI;
 417         } else {
 418             swizzle = GL_SWIZZLE_STR_DR_ATI;
 419         }
 420         TRACE("glPassTexCoordATI(GL_REG_%d_ATI, GL_TEXTURE_%d_ARB, %s)\n",
 421               stage + 1, stage + 1, debug_swizzle(swizzle));
 422         GL_EXTCALL(glPassTexCoordATI(GL_REG_0_ATI + stage + 1,
 423                    GL_TEXTURE0_ARB + stage + 1,
 424                    swizzle));
 425
 426         /* We need GL_REG_5_ATI as a temporary register to swizzle the bump matrix. So we run into
 427          * issues if we're bump mapping on stage 4 or 5
 428          */
 429         if(stage >= 4) {
 430             FIXME("Bump mapping in stage %d\n", stage);
 431         }
 432     }
 433
 434     /* Pass 2: Generate perturbation calculations */
 435     for(stage = 0; stage < GL_LIMITS(textures); stage++) {
 436         GLuint argmodextra_x, argmodextra_y;
 437         struct color_fixup_desc fixup;
 438
 439         if(op[stage].cop == WINED3DTOP_DISABLE) break;
 440         if(op[stage].cop != WINED3DTOP_BUMPENVMAP &&
 441            op[stage].cop != WINED3DTOP_BUMPENVMAPLUMINANCE) continue;
 442
 443         fixup = op[stage].color_fixup;
 444         if (fixup.x_source != CHANNEL_SOURCE_X || fixup.y_source != CHANNEL_SOURCE_Y)
 445         {
 446             FIXME("Swizzles not implemented\n");
 447             argmodextra_x = GL_NONE;
 448             argmodextra_y = GL_NONE;
 449         }
 450         else
 451         {
 452             /* Nice thing, we get the color correction for free :-) */
 453             argmodextra_x = fixup.x_sign_fixup ? GL_2X_BIT_ATI | GL_BIAS_BIT_ATI : GL_NONE;
 454             argmodextra_y = fixup.y_sign_fixup ? GL_2X_BIT_ATI | GL_BIAS_BIT_ATI : GL_NONE;
 455         }
 456
 457         wrap_op3(gl_info, GL_DOT2_ADD_ATI, GL_REG_0_ATI + stage + 1, GL_RED_BIT_ATI, GL_NONE,
 458                  GL_REG_0_ATI + stage, GL_NONE, argmodextra_x,
 459                  ATI_FFP_CONST_BUMPMAT(stage), GL_NONE, GL_2X_BIT_ATI | GL_BIAS_BIT_ATI,
 460                  GL_REG_0_ATI + stage + 1, GL_RED, GL_NONE);
 461
 462         /* FIXME: How can I make GL_DOT2_ADD_ATI read the factors from blue and alpha? It defaults to red and green,
 463          * 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
 464          * one register and two instructions in this pass for a simple swizzling operation.
 465          * For starters it might be good enough to merge the two movs into one, but even that isn't possible :-(
 466          *
 467          * NOTE: GL_BLUE | GL_ALPHA is not possible. It doesn't throw a compilation error, but an OR operation on the
 468          * constants doesn't make sense, considering their values.
 469          */
 470         wrap_op1(gl_info, GL_MOV_ATI, GL_REG_5_ATI, GL_RED_BIT_ATI, GL_NONE,
 471                  ATI_FFP_CONST_BUMPMAT(stage), GL_BLUE, GL_NONE);
 472         wrap_op1(gl_info, GL_MOV_ATI, GL_REG_5_ATI, GL_GREEN_BIT_ATI, GL_NONE,
 473                  ATI_FFP_CONST_BUMPMAT(stage), GL_ALPHA, GL_NONE);
 474         wrap_op3(gl_info, GL_DOT2_ADD_ATI, GL_REG_0_ATI + stage + 1, GL_GREEN_BIT_ATI, GL_NONE,
 475                  GL_REG_0_ATI + stage, GL_NONE, argmodextra_y,
 476                  GL_REG_5_ATI, GL_NONE, GL_2X_BIT_ATI | GL_BIAS_BIT_ATI,
 477                  GL_REG_0_ATI + stage + 1, GL_GREEN, GL_NONE);
 478     }
 479
 480     /* Pass 3: Generate sampling instructions for regular textures */
 481     for(stage = 0; stage < GL_LIMITS(textures); stage++) {
 482         if(op[stage].cop == WINED3DTOP_DISABLE) {
 483             break;
 484         }
 485
 486         if(op[stage].projected == proj_none) {
 487             swizzle = GL_SWIZZLE_STR_ATI;
 488         } else if(op[stage].projected == proj_count3) {
 489             swizzle = GL_SWIZZLE_STR_DR_ATI;
 490         } else {
 491             swizzle = GL_SWIZZLE_STQ_DQ_ATI;
 492         }
 493
 494         if((op[stage].carg0 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 495            (op[stage].carg1 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 496            (op[stage].carg2 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 497            (op[stage].aarg0 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 498            (op[stage].aarg1 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 499            (op[stage].aarg2 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 500             op[stage].cop == WINED3DTOP_BLENDTEXTUREALPHA) {
 501
 502             if(stage > 0 &&
 503                (op[stage - 1].cop == WINED3DTOP_BUMPENVMAP ||
 504                 op[stage - 1].cop == WINED3DTOP_BUMPENVMAPLUMINANCE)) {
 505                 TRACE("glSampleMapATI(GL_REG_%d_ATI, GL_REG_%d_ATI, GL_SWIZZLE_STR_ATI)\n",
 506                       stage, stage);
 507                 GL_EXTCALL(glSampleMapATI(GL_REG_0_ATI + stage,
 508                            GL_REG_0_ATI + stage,
 509                            GL_SWIZZLE_STR_ATI));
 510             } else {
 511                 TRACE("glSampleMapATI(GL_REG_%d_ATI, GL_TEXTURE_%d_ARB, %s)\n",
 512                     stage, stage, debug_swizzle(swizzle));
 513                 GL_EXTCALL(glSampleMapATI(GL_REG_0_ATI + stage,
 514                                         GL_TEXTURE0_ARB + stage,
 515                                         swizzle));
 516             }
 517         }
 518     }
 519
 520     /* Pass 4: Generate the arithmetic instructions */
 521     for(stage = 0; stage < MAX_TEXTURES; stage++) {
 522         if(op[stage].cop == WINED3DTOP_DISABLE) {
 523             if(stage == 0) {
 524                 /* Handle complete texture disabling gracefully */
 525                 wrap_op1(gl_info, GL_MOV_ATI, GL_REG_0_ATI, GL_NONE, GL_NONE,
 526                          GL_PRIMARY_COLOR, GL_NONE, GL_NONE);
 527                 wrap_op1(gl_info, GL_MOV_ATI, GL_REG_0_ATI, GL_ALPHA, GL_NONE,
 528                          GL_PRIMARY_COLOR, GL_NONE, GL_NONE);
 529             }
 530             break;
 531         }
 532
 533         if(op[stage].dst == tempreg) {
 534             /* If we're writing to D3DTA_TEMP, but never reading from it we don't have to write there in the first place.
 535              * skip the entire stage, this saves some GPU time
 536              */
 537             if(tmparg == GL_NONE) continue;
 538
 539             dstreg = tmparg;
 540         } else {
 541             dstreg = GL_REG_0_ATI;
 542         }
 543
 544         arg0 = register_for_arg(op[stage].carg0, gl_info, stage, &argmod0, &rep0, tmparg);
 545         arg1 = register_for_arg(op[stage].carg1, gl_info, stage, &argmod1, &rep1, tmparg);
 546         arg2 = register_for_arg(op[stage].carg2, gl_info, stage, &argmod2, &rep2, tmparg);
 547         dstmod = GL_NONE;
 548         argmodextra = GL_NONE;
 549         extrarg = GL_NONE;
 550
 551         switch(op[stage].cop) {
 552             case WINED3DTOP_SELECTARG2:
 553                 arg1 = arg2;
 554                 argmod1 = argmod2;
 555                 rep1 = rep2;
 556             case WINED3DTOP_SELECTARG1:
 557                 wrap_op1(gl_info, GL_MOV_ATI, dstreg, GL_NONE, GL_NONE,
 558                          arg1, rep1, argmod1);
 559                 break;
 560
 561             case WINED3DTOP_MODULATE4X:
 562                 if(dstmod == GL_NONE) dstmod = GL_4X_BIT_ATI;
 563             case WINED3DTOP_MODULATE2X:
 564                 if(dstmod == GL_NONE) dstmod = GL_2X_BIT_ATI;
 565                 dstmod |= GL_SATURATE_BIT_ATI;
 566             case WINED3DTOP_MODULATE:
 567                 wrap_op2(gl_info, GL_MUL_ATI, dstreg, GL_NONE, dstmod,
 568                          arg1, rep1, argmod1,
 569                          arg2, rep2, argmod2);
 570                 break;
 571
 572             case WINED3DTOP_ADDSIGNED2X:
 573                 dstmod = GL_2X_BIT_ATI;
 574             case WINED3DTOP_ADDSIGNED:
 575                 argmodextra = GL_BIAS_BIT_ATI;
 576             case WINED3DTOP_ADD:
 577                 dstmod |= GL_SATURATE_BIT_ATI;
 578                 wrap_op2(gl_info, GL_ADD_ATI, GL_REG_0_ATI, GL_NONE, dstmod,
 579                          arg1, rep1, argmod1,
 580                          arg2, rep2, argmodextra | argmod2);
 581                 break;
 582
 583             case WINED3DTOP_SUBTRACT:
 584                 dstmod |= GL_SATURATE_BIT_ATI;
 585                 wrap_op2(gl_info, GL_SUB_ATI, dstreg, GL_NONE, dstmod,
 586                          arg1, rep1, argmod1,
 587                          arg2, rep2, argmod2);
 588                 break;
 589
 590             case WINED3DTOP_ADDSMOOTH:
 591                 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
 592                 /* Dst = arg1 + * arg2(1 -arg 1)
 593                  *     = arg2 * (1 - arg1) + arg1
 594                  */
 595                 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_NONE, GL_SATURATE_BIT_ATI,
 596                          arg2, rep2, argmod2,
 597                          arg1, rep1, argmodextra,
 598                          arg1, rep1, argmod1);
 599                 break;
 600
 601             case WINED3DTOP_BLENDCURRENTALPHA:
 602                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_CURRENT, gl_info, stage, NULL, NULL, -1);
 603             case WINED3DTOP_BLENDFACTORALPHA:
 604                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TFACTOR, gl_info, stage, NULL, NULL, -1);
 605             case WINED3DTOP_BLENDTEXTUREALPHA:
 606                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, NULL, -1);
 607             case WINED3DTOP_BLENDDIFFUSEALPHA:
 608                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_DIFFUSE, gl_info, stage, NULL, NULL, -1);
 609                 wrap_op3(gl_info, GL_LERP_ATI, dstreg, GL_NONE, GL_NONE,
 610                          extrarg, GL_ALPHA, GL_NONE,
 611                          arg1, rep1, argmod1,
 612                          arg2, rep2, argmod2);
 613                 break;
 614
 615             case WINED3DTOP_BLENDTEXTUREALPHAPM:
 616                 arg0 = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, NULL, -1);
 617                 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_NONE, GL_NONE,
 618                          arg2, rep2,  argmod2,
 619                          arg0, GL_ALPHA, GL_COMP_BIT_ATI,
 620                          arg1, rep1,  argmod1);
 621                 break;
 622
 623             /* D3DTOP_PREMODULATE ???? */
 624
 625             case WINED3DTOP_MODULATEINVALPHA_ADDCOLOR:
 626                 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
 627             case WINED3DTOP_MODULATEALPHA_ADDCOLOR:
 628                 if(!argmodextra) argmodextra = argmod1;
 629                 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_NONE, GL_SATURATE_BIT_ATI,
 630                          arg2, rep2,  argmod2,
 631                          arg1, GL_ALPHA, argmodextra,
 632                          arg1, rep1,  argmod1);
 633                 break;
 634
 635             case WINED3DTOP_MODULATEINVCOLOR_ADDALPHA:
 636                 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
 637             case WINED3DTOP_MODULATECOLOR_ADDALPHA:
 638                 if(!argmodextra) argmodextra = argmod1;
 639                 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_NONE, GL_SATURATE_BIT_ATI,
 640                          arg2, rep2,  argmod2,
 641                          arg1, rep1,  argmodextra,
 642                          arg1, GL_ALPHA, argmod1);
 643                 break;
 644
 645             case WINED3DTOP_DOTPRODUCT3:
 646                 wrap_op2(gl_info, GL_DOT3_ATI, dstreg, GL_NONE, GL_4X_BIT_ATI | GL_SATURATE_BIT_ATI,
 647                          arg1, rep1, argmod1 | GL_BIAS_BIT_ATI,
 648                          arg2, rep2, argmod2 | GL_BIAS_BIT_ATI);
 649                 break;
 650
 651             case WINED3DTOP_MULTIPLYADD:
 652                 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_NONE, GL_SATURATE_BIT_ATI,
 653                          arg1, rep1, argmod1,
 654                          arg2, rep2, argmod2,
 655                          arg0, rep0, argmod0);
 656                 break;
 657
 658             case WINED3DTOP_LERP:
 659                 wrap_op3(gl_info, GL_LERP_ATI, dstreg, GL_NONE, GL_NONE,
 660                          arg0, rep0, argmod0,
 661                          arg1, rep1, argmod1,
 662                          arg2, rep2, argmod2);
 663                 break;
 664
 665             case WINED3DTOP_BUMPENVMAP:
 666             case WINED3DTOP_BUMPENVMAPLUMINANCE:
 667                 /* Those are handled in the first pass of the shader(generation pass 1 and 2) already */
 668                 break;
 669
 670             default: FIXME("Unhandled color operation %d on stage %d\n", op[stage].cop, stage);
 671         }
 672
 673         arg0 = register_for_arg(op[stage].aarg0, gl_info, stage, &argmod0, NULL, tmparg);
 674         arg1 = register_for_arg(op[stage].aarg1, gl_info, stage, &argmod1, NULL, tmparg);
 675         arg2 = register_for_arg(op[stage].aarg2, gl_info, stage, &argmod2, NULL, tmparg);
 676         dstmod = GL_NONE;
 677         argmodextra = GL_NONE;
 678         extrarg = GL_NONE;
 679
 680         switch(op[stage].aop) {
 681             case WINED3DTOP_DISABLE:
 682                 /* Get the primary color to the output if on stage 0, otherwise leave register 0 untouched */
 683                 if(stage == 0) {
 684                     wrap_op1(gl_info, GL_MOV_ATI, GL_REG_0_ATI, GL_ALPHA, GL_NONE,
 685                              GL_PRIMARY_COLOR, GL_NONE, GL_NONE);
 686                 }
 687                 break;
 688
 689             case WINED3DTOP_SELECTARG2:
 690                 arg1 = arg2;
 691                 argmod1 = argmod2;
 692             case WINED3DTOP_SELECTARG1:
 693                 wrap_op1(gl_info, GL_MOV_ATI, dstreg, GL_ALPHA, GL_NONE,
 694                          arg1, GL_NONE, argmod1);
 695                 break;
 696
 697             case WINED3DTOP_MODULATE4X:
 698                 if(dstmod == GL_NONE) dstmod = GL_4X_BIT_ATI;
 699             case WINED3DTOP_MODULATE2X:
 700                 if(dstmod == GL_NONE) dstmod = GL_2X_BIT_ATI;
 701                 dstmod |= GL_SATURATE_BIT_ATI;
 702             case WINED3DTOP_MODULATE:
 703                 wrap_op2(gl_info, GL_MUL_ATI, dstreg, GL_ALPHA, dstmod,
 704                          arg1, GL_NONE, argmod1,
 705                          arg2, GL_NONE, argmod2);
 706                 break;
 707
 708             case WINED3DTOP_ADDSIGNED2X:
 709                 dstmod = GL_2X_BIT_ATI;
 710             case WINED3DTOP_ADDSIGNED:
 711                 argmodextra = GL_BIAS_BIT_ATI;
 712             case WINED3DTOP_ADD:
 713                 dstmod |= GL_SATURATE_BIT_ATI;
 714                 wrap_op2(gl_info, GL_ADD_ATI, dstreg, GL_ALPHA, dstmod,
 715                          arg1, GL_NONE, argmod1,
 716                          arg2, GL_NONE, argmodextra | argmod2);
 717                 break;
 718
 719             case WINED3DTOP_SUBTRACT:
 720                 dstmod |= GL_SATURATE_BIT_ATI;
 721                 wrap_op2(gl_info, GL_SUB_ATI, dstreg, GL_ALPHA, dstmod,
 722                          arg1, GL_NONE, argmod1,
 723                          arg2, GL_NONE, argmod2);
 724                 break;
 725
 726             case WINED3DTOP_ADDSMOOTH:
 727                 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
 728                 /* Dst = arg1 + * arg2(1 -arg 1)
 729                  *     = arg2 * (1 - arg1) + arg1
 730                  */
 731                 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_ALPHA, GL_SATURATE_BIT_ATI,
 732                          arg2, GL_NONE, argmod2,
 733                          arg1, GL_NONE, argmodextra,
 734                          arg1, GL_NONE, argmod1);
 735                 break;
 736
 737             case WINED3DTOP_BLENDCURRENTALPHA:
 738                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_CURRENT, gl_info, stage, NULL, NULL, -1);
 739             case WINED3DTOP_BLENDFACTORALPHA:
 740                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TFACTOR, gl_info, stage, NULL, NULL, -1);
 741             case WINED3DTOP_BLENDTEXTUREALPHA:
 742                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, NULL, -1);
 743             case WINED3DTOP_BLENDDIFFUSEALPHA:
 744                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_DIFFUSE, gl_info, stage, NULL, NULL, -1);
 745                 wrap_op3(gl_info, GL_LERP_ATI, dstreg, GL_ALPHA, GL_NONE,
 746                          extrarg, GL_ALPHA, GL_NONE,
 747                          arg1, GL_NONE, argmod1,
 748                          arg2, GL_NONE, argmod2);
 749                 break;
 750
 751             case WINED3DTOP_BLENDTEXTUREALPHAPM:
 752                 arg0 = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, NULL, -1);
 753                 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_ALPHA, GL_NONE,
 754                          arg2, GL_NONE,  argmod2,
 755                          arg0, GL_ALPHA, GL_COMP_BIT_ATI,
 756                          arg1, GL_NONE,  argmod1);
 757                 break;
 758
 759             /* D3DTOP_PREMODULATE ???? */
 760
 761             case WINED3DTOP_DOTPRODUCT3:
 762                 wrap_op2(gl_info, GL_DOT3_ATI, dstreg, GL_ALPHA, GL_4X_BIT_ATI | GL_SATURATE_BIT_ATI,
 763                          arg1, GL_NONE, argmod1 | GL_BIAS_BIT_ATI,
 764                          arg2, GL_NONE, argmod2 | GL_BIAS_BIT_ATI);
 765                 break;
 766
 767             case WINED3DTOP_MULTIPLYADD:
 768                 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_ALPHA, GL_SATURATE_BIT_ATI,
 769                          arg1, GL_NONE, argmod1,
 770                          arg2, GL_NONE, argmod2,
 771                          arg0, GL_NONE, argmod0);
 772                 break;
 773
 774             case WINED3DTOP_LERP:
 775                 wrap_op3(gl_info, GL_LERP_ATI, dstreg, GL_ALPHA, GL_SATURATE_BIT_ATI,
 776                          arg1, GL_NONE, argmod1,
 777                          arg2, GL_NONE, argmod2,
 778                          arg0, GL_NONE, argmod0);
 779                 break;
 780
 781             case WINED3DTOP_MODULATEINVALPHA_ADDCOLOR:
 782             case WINED3DTOP_MODULATEALPHA_ADDCOLOR:
 783             case WINED3DTOP_MODULATECOLOR_ADDALPHA:
 784             case WINED3DTOP_MODULATEINVCOLOR_ADDALPHA:
 785             case WINED3DTOP_BUMPENVMAP:
 786             case WINED3DTOP_BUMPENVMAPLUMINANCE:
 787                 ERR("Application uses an invalid alpha operation\n");
 788                 break;
 789
 790             default: FIXME("Unhandled alpha operation %d on stage %d\n", op[stage].aop, stage);
 791         }
 792     }
 793
 794     TRACE("glEndFragmentShaderATI()\n");
 795     GL_EXTCALL(glEndFragmentShaderATI());
 796     checkGLcall("GL_EXTCALL(glEndFragmentShaderATI())");
 797     return ret;
 798 }
 799 #undef GLINFO_LOCATION
 800
 801 #define GLINFO_LOCATION stateblock->wineD3DDevice->adapter->gl_info
 802 static void set_tex_op_atifs(DWORD state, IWineD3DStateBlockImpl *stateblock, WineD3DContext *context) {
 803     IWineD3DDeviceImpl          *This = stateblock->wineD3DDevice;
 804     const struct atifs_ffp_desc *desc;
 805     struct ffp_frag_settings     settings;
 806     struct atifs_private_data   *priv = (struct atifs_private_data *) This->fragment_priv;
 807     DWORD mapped_stage;
 808     unsigned int i;
 809
 810     gen_ffp_frag_op(stateblock, &settings, TRUE);
 811     desc = (const struct atifs_ffp_desc *)find_ffp_frag_shader(priv->fragment_shaders, &settings);
 812     if(!desc) {
 813         struct atifs_ffp_desc *new_desc = HeapAlloc(GetProcessHeap(), 0, sizeof(*new_desc));
 814         if (!new_desc)
 815         {
 816             ERR("Out of memory\n");
 817             return;
 818         }
 819         new_desc->num_textures_used = 0;
 820         for(i = 0; i < GL_LIMITS(texture_stages); i++) {
 821             if(settings.op[i].cop == WINED3DTOP_DISABLE) break;
 822             new_desc->num_textures_used = i;
 823         }
 824
 825         memcpy(&new_desc->parent.settings, &settings, sizeof(settings));
 826         new_desc->shader = gen_ati_shader(settings.op, &GLINFO_LOCATION);
 827         add_ffp_frag_shader(priv->fragment_shaders, &new_desc->parent);
 828         TRACE("Allocated fixed function replacement shader descriptor %p\n", new_desc);
 829         desc = new_desc;
 830     }
 831
 832     /* GL_ATI_fragment_shader depends on the GL_TEXTURE_xD enable settings. Update the texture stages
 833      * used by this shader
 834      */
 835     for(i = 0; i < desc->num_textures_used; i++) {
 836         mapped_stage = This->texUnitMap[i];
 837         if(mapped_stage != -1) {
 838             GL_EXTCALL(glActiveTextureARB(GL_TEXTURE0_ARB + mapped_stage));
 839             checkGLcall("glActiveTextureARB");
 840             texture_activate_dimensions(i, stateblock, context);
 841         }
 842     }
 843
 844     GL_EXTCALL(glBindFragmentShaderATI(desc->shader));
 845 }
 846
 847 static void state_texfactor_atifs(DWORD state, IWineD3DStateBlockImpl *stateblock, WineD3DContext *context) {
 848     float col[4];
 849     D3DCOLORTOGLFLOAT4(stateblock->renderState[WINED3DRS_TEXTUREFACTOR], col);
 850
 851     GL_EXTCALL(glSetFragmentShaderConstantATI(ATI_FFP_CONST_TFACTOR, col));
 852     checkGLcall("glSetFragmentShaderConstantATI(ATI_FFP_CONST_TFACTOR, col)");
 853 }
 854
 855 static void set_bumpmat(DWORD state, IWineD3DStateBlockImpl *stateblock, WineD3DContext *context) {
 856     DWORD stage = (state - STATE_TEXTURESTAGE(0, 0)) / (WINED3D_HIGHEST_TEXTURE_STATE + 1);
 857     float mat[2][2];
 858
 859     mat[0][0] = *((float *) &stateblock->textureState[stage][WINED3DTSS_BUMPENVMAT00]);
 860     mat[1][0] = *((float *) &stateblock->textureState[stage][WINED3DTSS_BUMPENVMAT01]);
 861     mat[0][1] = *((float *) &stateblock->textureState[stage][WINED3DTSS_BUMPENVMAT10]);
 862     mat[1][1] = *((float *) &stateblock->textureState[stage][WINED3DTSS_BUMPENVMAT11]);
 863     /* GL_ATI_fragment_shader allows only constants from 0.0 to 1.0, but the bumpmat
 864      * constants can be in any range. While they should stay between [-1.0 and 1.0] because
 865      * Shader Model 1.x pixel shaders are clamped to that range negative values are used occasionally,
 866      * for example by our d3d9 test. So to get negative values scale -1;1 to 0;1 and undo that in the
 867      * shader(it is free). This might potentially reduce precision. However, if the hardware does
 868      * support proper floats it shouldn't, and if it doesn't we can't get anything better anyway
 869      */
 870     mat[0][0] = (mat[0][0] + 1.0) * 0.5;
 871     mat[1][0] = (mat[1][0] + 1.0) * 0.5;
 872     mat[0][1] = (mat[0][1] + 1.0) * 0.5;
 873     mat[1][1] = (mat[1][1] + 1.0) * 0.5;
 874     GL_EXTCALL(glSetFragmentShaderConstantATI(ATI_FFP_CONST_BUMPMAT(stage), (float *) mat));
 875     checkGLcall("glSetFragmentShaderConstantATI(ATI_FFP_CONST_BUMPMAT(stage), mat)");
 876 }
 877
 878 static void textransform(DWORD state, IWineD3DStateBlockImpl *stateblock, WineD3DContext *context) {
 879     if(!isStateDirty(context, STATE_PIXELSHADER)) {
 880         set_tex_op_atifs(state, stateblock, context);
 881     }
 882 }
 883
 884 static void atifs_apply_pixelshader(DWORD state, IWineD3DStateBlockImpl *stateblock, WineD3DContext *context) {
 885     IWineD3DDeviceImpl *device = stateblock->wineD3DDevice;
 886     BOOL use_vshader = use_vs(stateblock);
 887
 888     /* The ATIFS code does not support pixel shaders currently, but we have to provide a state handler
 889      * to call shader_select to select a vertex shader if one is applied because the vertex shader state
 890      * may defer calling the shader backend if the pshader state is dirty.
 891      *
 892      * In theory the application should not be able to mark the pixel shader dirty because it cannot
 893      * create a shader, and thus has no way to set the state to something != NULL. However, a different
 894      * pipeline part may link a different state to its pixelshader handler, thus a pshader state exists
 895      * and can be dirtified. Also the pshader is always dirtified at startup, and blitting disables all
 896      * shaders and dirtifies all shader states. If atifs can deal with this it keeps the rest of the code
 897      * simpler.
 898      */
 899     if(!isStateDirty(context, device->StateTable[STATE_VSHADER].representative)) {
 900         device->shader_backend->shader_select((IWineD3DDevice *)stateblock->wineD3DDevice, FALSE, use_vshader);
 901
 902         if (!isStateDirty(context, STATE_VERTEXSHADERCONSTANT) && use_vshader) {
 903             device->StateTable[STATE_VERTEXSHADERCONSTANT].apply(STATE_VERTEXSHADERCONSTANT, stateblock, context);
 904         }
 905     }
 906 }
 907
 908 #undef GLINFO_LOCATION
 909
 910 static const struct StateEntryTemplate atifs_fragmentstate_template[] = {
 911     {STATE_RENDER(WINED3DRS_TEXTUREFACTOR),               { STATE_RENDER(WINED3DRS_TEXTUREFACTOR),              state_texfactor_atifs   }, 0                               },
 912     {STATE_RENDER(WINED3DRS_FOGCOLOR),                    { STATE_RENDER(WINED3DRS_FOGCOLOR),                   state_fogcolor          }, 0                               },
 913     {STATE_RENDER(WINED3DRS_FOGDENSITY),                  { STATE_RENDER(WINED3DRS_FOGDENSITY),                 state_fogdensity        }, 0                               },
 914     {STATE_RENDER(WINED3DRS_FOGENABLE),                   { STATE_RENDER(WINED3DRS_FOGENABLE),                  state_fog_fragpart      }, 0                               },
 915     {STATE_RENDER(WINED3DRS_FOGTABLEMODE),                { STATE_RENDER(WINED3DRS_FOGENABLE),                  state_fog_fragpart      }, 0                               },
 916     {STATE_RENDER(WINED3DRS_FOGVERTEXMODE),               { STATE_RENDER(WINED3DRS_FOGENABLE),                  state_fog_fragpart      }, 0                               },
 917     {STATE_RENDER(WINED3DRS_FOGSTART),                    { STATE_RENDER(WINED3DRS_FOGSTART),                   state_fogstartend       }, 0                               },
 918     {STATE_RENDER(WINED3DRS_FOGEND),                      { STATE_RENDER(WINED3DRS_FOGSTART),                   state_fogstartend       }, 0                               },
 919     {STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 920     {STATE_TEXTURESTAGE(0, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 921     {STATE_TEXTURESTAGE(0, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 922     {STATE_TEXTURESTAGE(0, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 923     {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 924     {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 925     {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 926     {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 927     {STATE_TEXTURESTAGE(0, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 928     {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 929     {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 930     {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 931     {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 932     {STATE_TEXTURESTAGE(1, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 933     {STATE_TEXTURESTAGE(1, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 934     {STATE_TEXTURESTAGE(1, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 935     {STATE_TEXTURESTAGE(1, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 936     {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 937     {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 938     {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 939     {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 940     {STATE_TEXTURESTAGE(1, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 941     {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 942     {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 943     {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 944     {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 945     {STATE_TEXTURESTAGE(2, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 946     {STATE_TEXTURESTAGE(2, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 947     {STATE_TEXTURESTAGE(2, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 948     {STATE_TEXTURESTAGE(2, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 949     {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 950     {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 951     {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 952     {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 953     {STATE_TEXTURESTAGE(2, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 954     {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 955     {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 956     {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 957     {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 958     {STATE_TEXTURESTAGE(3, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 959     {STATE_TEXTURESTAGE(3, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 960     {STATE_TEXTURESTAGE(3, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 961     {STATE_TEXTURESTAGE(3, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 962     {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 963     {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 964     {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 965     {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 966     {STATE_TEXTURESTAGE(3, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 967     {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 968     {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 969     {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 970     {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 971     {STATE_TEXTURESTAGE(4, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 972     {STATE_TEXTURESTAGE(4, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 973     {STATE_TEXTURESTAGE(4, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 974     {STATE_TEXTURESTAGE(4, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 975     {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 976     {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 977     {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 978     {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 979     {STATE_TEXTURESTAGE(4, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 980     {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 981     {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 982     {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 983     {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 984     {STATE_TEXTURESTAGE(5, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 985     {STATE_TEXTURESTAGE(5, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 986     {STATE_TEXTURESTAGE(5, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 987     {STATE_TEXTURESTAGE(5, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 988     {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 989     {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 990     {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 991     {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 992     {STATE_TEXTURESTAGE(5, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 993     {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 994     {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 995     {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 996     {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
 997     {STATE_TEXTURESTAGE(6, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 998     {STATE_TEXTURESTAGE(6, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
 999     {STATE_TEXTURESTAGE(6, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
1000     {STATE_TEXTURESTAGE(6, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
1001     {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
1002     {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
1003     {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
1004     {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
1005     {STATE_TEXTURESTAGE(6, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
1006     {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
1007     {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
1008     {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
1009     {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
1010     {STATE_TEXTURESTAGE(7, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
1011     {STATE_TEXTURESTAGE(7, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
1012     {STATE_TEXTURESTAGE(7, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
1013     {STATE_TEXTURESTAGE(7, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
1014     {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
1015     {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
1016     {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
1017     {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
1018     {STATE_TEXTURESTAGE(7, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, 0                               },
1019     {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
1020     {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
1021     {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
1022     {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, 0                               },
1023     { STATE_SAMPLER(0),                                   { STATE_SAMPLER(0),                                   sampler_texdim          }, 0                               },
1024     { STATE_SAMPLER(1),                                   { STATE_SAMPLER(1),                                   sampler_texdim          }, 0                               },
1025     { STATE_SAMPLER(2),                                   { STATE_SAMPLER(2),                                   sampler_texdim          }, 0                               },
1026     { STATE_SAMPLER(3),                                   { STATE_SAMPLER(3),                                   sampler_texdim          }, 0                               },
1027     { STATE_SAMPLER(4),                                   { STATE_SAMPLER(4),                                   sampler_texdim          }, 0                               },
1028     { STATE_SAMPLER(5),                                   { STATE_SAMPLER(5),                                   sampler_texdim          }, 0                               },
1029     { STATE_SAMPLER(6),                                   { STATE_SAMPLER(6),                                   sampler_texdim          }, 0                               },
1030     { STATE_SAMPLER(7),                                   { STATE_SAMPLER(7),                                   sampler_texdim          }, 0                               },
1031     {STATE_TEXTURESTAGE(0,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(0, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1032     {STATE_TEXTURESTAGE(1,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(1, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1033     {STATE_TEXTURESTAGE(2,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(2, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1034     {STATE_TEXTURESTAGE(3,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(3, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1035     {STATE_TEXTURESTAGE(4,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(4, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1036     {STATE_TEXTURESTAGE(5,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(5, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1037     {STATE_TEXTURESTAGE(6,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(6, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1038     {STATE_TEXTURESTAGE(7,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(7, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, 0                               },
1039     {STATE_PIXELSHADER,                                   { STATE_PIXELSHADER,                                  atifs_apply_pixelshader }, 0                               },
1040     {0 /* Terminate */,                                   { 0,                                                  0                       }, 0                               },
1041 };
1042
1043 static void atifs_enable(IWineD3DDevice *iface, BOOL enable) {
1044     if(enable) {
1045         glEnable(GL_FRAGMENT_SHADER_ATI);
1046         checkGLcall("glEnable(GL_FRAGMENT_SHADER_ATI)");
1047     } else {
1048         glDisable(GL_FRAGMENT_SHADER_ATI);
1049         checkGLcall("glDisable(GL_FRAGMENT_SHADER_ATI)");
1050     }
1051 }
1052
1053 static void atifs_get_caps(WINED3DDEVTYPE devtype, const WineD3D_GL_Info *gl_info, struct fragment_caps *caps)
1054 {
1055     caps->TextureOpCaps =  WINED3DTEXOPCAPS_DISABLE                     |
1056                            WINED3DTEXOPCAPS_SELECTARG1                  |
1057                            WINED3DTEXOPCAPS_SELECTARG2                  |
1058                            WINED3DTEXOPCAPS_MODULATE4X                  |
1059                            WINED3DTEXOPCAPS_MODULATE2X                  |
1060                            WINED3DTEXOPCAPS_MODULATE                    |
1061                            WINED3DTEXOPCAPS_ADDSIGNED2X                 |
1062                            WINED3DTEXOPCAPS_ADDSIGNED                   |
1063                            WINED3DTEXOPCAPS_ADD                         |
1064                            WINED3DTEXOPCAPS_SUBTRACT                    |
1065                            WINED3DTEXOPCAPS_ADDSMOOTH                   |
1066                            WINED3DTEXOPCAPS_BLENDCURRENTALPHA           |
1067                            WINED3DTEXOPCAPS_BLENDFACTORALPHA            |
1068                            WINED3DTEXOPCAPS_BLENDTEXTUREALPHA           |
1069                            WINED3DTEXOPCAPS_BLENDDIFFUSEALPHA           |
1070                            WINED3DTEXOPCAPS_BLENDTEXTUREALPHAPM         |
1071                            WINED3DTEXOPCAPS_MODULATEALPHA_ADDCOLOR      |
1072                            WINED3DTEXOPCAPS_MODULATECOLOR_ADDALPHA      |
1073                            WINED3DTEXOPCAPS_MODULATEINVCOLOR_ADDALPHA   |
1074                            WINED3DTEXOPCAPS_MODULATEINVALPHA_ADDCOLOR   |
1075                            WINED3DTEXOPCAPS_DOTPRODUCT3                 |
1076                            WINED3DTEXOPCAPS_MULTIPLYADD                 |
1077                            WINED3DTEXOPCAPS_LERP                        |
1078                            WINED3DTEXOPCAPS_BUMPENVMAP;
1079
1080     /* TODO: Implement WINED3DTEXOPCAPS_BUMPENVMAPLUMINANCE
1081     and WINED3DTEXOPCAPS_PREMODULATE */
1082
1083     /* GL_ATI_fragment_shader always supports 6 textures, which was the limit on r200 cards
1084      * which this extension is exclusively focused on(later cards have GL_ARB_fragment_program).
1085      * If the current card has more than 8 fixed function textures in OpenGL's regular fixed
1086      * function pipeline then the ATI_fragment_shader backend imposes a stricter limit. This
1087      * shouldn't be too hard since Nvidia cards have a limit of 4 textures with the default ffp
1088      * pipeline, and almost all games are happy with that. We can however support up to 8
1089      * texture stages because we have a 2nd pass limit of 8 instructions, and per stage we use
1090      * only 1 instruction.
1091      *
1092      * The proper fix for this is not to use GL_ATI_fragment_shader on cards newer than the
1093      * r200 series and use an ARB or GLSL shader instead
1094      */
1095     caps->MaxTextureBlendStages   = 8;
1096     caps->MaxSimultaneousTextures = 6;
1097
1098     caps->PrimitiveMiscCaps |= WINED3DPMISCCAPS_TSSARGTEMP;
1099 }
1100
1101 static HRESULT atifs_alloc(IWineD3DDevice *iface) {
1102     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *) iface;
1103     struct atifs_private_data *priv;
1104
1105     This->fragment_priv = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct atifs_private_data));
1106     if(!This->fragment_priv) {
1107         ERR("Out of memory\n");
1108         return E_OUTOFMEMORY;
1109     }
1110     priv = (struct atifs_private_data *) This->fragment_priv;
1111     priv->fragment_shaders = hash_table_create(ffp_frag_program_key_hash, ffp_frag_program_key_compare);
1112     return WINED3D_OK;
1113 }
1114
1115 #define GLINFO_LOCATION This->adapter->gl_info
1116 static void atifs_free_ffpshader(void *value, void *device) {
1117     IWineD3DDeviceImpl *This = device;
1118     struct atifs_ffp_desc *entry_ati = value;
1119
1120     ENTER_GL();
1121     GL_EXTCALL(glDeleteFragmentShaderATI(entry_ati->shader));
1122     checkGLcall("glDeleteFragmentShaderATI(entry->shader)");
1123     HeapFree(GetProcessHeap(), 0, entry_ati);
1124     LEAVE_GL();
1125 }
1126
1127 static void atifs_free(IWineD3DDevice *iface) {
1128     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *) iface;
1129     struct atifs_private_data *priv = (struct atifs_private_data *) This->fragment_priv;
1130
1131     hash_table_destroy(priv->fragment_shaders, atifs_free_ffpshader, This);
1132
1133     HeapFree(GetProcessHeap(), 0, priv);
1134     This->fragment_priv = NULL;
1135 }
1136 #undef GLINFO_LOCATION
1137
1138 static BOOL atifs_color_fixup_supported(struct color_fixup_desc fixup)
1139 {
1140     if (TRACE_ON(d3d_shader) && TRACE_ON(d3d))
1141     {
1142         TRACE("Checking support for fixup:\n");
1143         dump_color_fixup_desc(fixup);
1144     }
1145
1146     /* We only support sign fixup of the first two channels. */
1147     if (fixup.x_source == CHANNEL_SOURCE_X && fixup.y_source == CHANNEL_SOURCE_Y
1148             && fixup.z_source == CHANNEL_SOURCE_Z && fixup.w_source == CHANNEL_SOURCE_W
1149             && !fixup.z_sign_fixup && !fixup.w_sign_fixup)
1150     {
1151         TRACE("[OK]\n");
1152         return TRUE;
1153     }
1154
1155     TRACE("[FAILED]\n");
1156     return FALSE;
1157 }
1158
1159 const struct fragment_pipeline atifs_fragment_pipeline = {
1160     atifs_enable,
1161     atifs_get_caps,
1162     atifs_alloc,
1163     atifs_free,
1164     atifs_color_fixup_supported,
1165     atifs_fragmentstate_template,
1166     TRUE /* We can disable projected textures */
1167 };