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 /* GL locking for state handlers is done by the caller. */
  32
  33 /* Some private defines, Constant associations, etc.
  34  * Env bump matrix and per stage constant should be independent,
  35  * a stage that bump maps can't read the per state constant
  36  */
  37 #define ATI_FFP_CONST_BUMPMAT(i) (GL_CON_0_ATI + i)
  38 #define ATI_FFP_CONST_CONSTANT0 GL_CON_0_ATI
  39 #define ATI_FFP_CONST_CONSTANT1 GL_CON_1_ATI
  40 #define ATI_FFP_CONST_CONSTANT2 GL_CON_2_ATI
  41 #define ATI_FFP_CONST_CONSTANT3 GL_CON_3_ATI
  42 #define ATI_FFP_CONST_CONSTANT4 GL_CON_4_ATI
  43 #define ATI_FFP_CONST_CONSTANT5 GL_CON_5_ATI
  44 #define ATI_FFP_CONST_TFACTOR   GL_CON_6_ATI
  45
  46 /* GL_ATI_fragment_shader specific fixed function pipeline description. "Inherits" from the common one */
  47 struct atifs_ffp_desc
  48 {
  49     struct ffp_frag_desc parent;
  50     GLuint shader;
  51     unsigned int num_textures_used;
  52 };
  53
  54 struct atifs_private_data
  55 {
  56     struct wine_rb_tree fragment_shaders; /* A rb-tree to track fragment pipeline replacement shaders */
  57 };
  58
  59 static const char *debug_dstmod(GLuint mod) {
  60     switch(mod) {
  61         case GL_NONE:               return "GL_NONE";
  62         case GL_2X_BIT_ATI:         return "GL_2X_BIT_ATI";
  63         case GL_4X_BIT_ATI:         return "GL_4X_BIT_ATI";
  64         case GL_8X_BIT_ATI:         return "GL_8X_BIT_ATI";
  65         case GL_HALF_BIT_ATI:       return "GL_HALF_BIT_ATI";
  66         case GL_QUARTER_BIT_ATI:    return "GL_QUARTER_BIT_ATI";
  67         case GL_EIGHTH_BIT_ATI:     return "GL_EIGHTH_BIT_ATI";
  68         case GL_SATURATE_BIT_ATI:   return "GL_SATURATE_BIT_ATI";
  69         default:                    return "Unexpected modifier\n";
  70     }
  71 }
  72
  73 static const char *debug_argmod(GLuint mod) {
  74     switch(mod) {
  75         case GL_NONE:
  76             return "GL_NONE";
  77
  78         case GL_2X_BIT_ATI:
  79             return "GL_2X_BIT_ATI";
  80         case GL_COMP_BIT_ATI:
  81             return "GL_COMP_BIT_ATI";
  82         case GL_NEGATE_BIT_ATI:
  83             return "GL_NEGATE_BIT_ATI";
  84         case GL_BIAS_BIT_ATI:
  85             return "GL_BIAS_BIT_ATI";
  86
  87         case GL_2X_BIT_ATI | GL_COMP_BIT_ATI:
  88             return "GL_2X_BIT_ATI | GL_COMP_BIT_ATI";
  89         case GL_2X_BIT_ATI | GL_NEGATE_BIT_ATI:
  90             return "GL_2X_BIT_ATI | GL_NEGATE_BIT_ATI";
  91         case GL_2X_BIT_ATI | GL_BIAS_BIT_ATI:
  92             return "GL_2X_BIT_ATI | GL_BIAS_BIT_ATI";
  93         case GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI:
  94             return "GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI";
  95         case GL_COMP_BIT_ATI | GL_BIAS_BIT_ATI:
  96             return "GL_COMP_BIT_ATI | GL_BIAS_BIT_ATI";
  97         case GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI:
  98             return "GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI";
  99
 100         case GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI:
 101             return "GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI";
 102         case GL_2X_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI:
 103             return "GL_2X_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI";
 104         case GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_BIAS_BIT_ATI:
 105             return "GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_BIAS_BIT_ATI";
 106         case GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI:
 107             return "GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI";
 108
 109         case GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI:
 110             return "GL_2X_BIT_ATI | GL_COMP_BIT_ATI | GL_NEGATE_BIT_ATI | GL_BIAS_BIT_ATI";
 111
 112         default:
 113             return "Unexpected argmod combination\n";
 114     }
 115 }
 116 static const char *debug_register(GLuint reg) {
 117     switch(reg) {
 118         case GL_REG_0_ATI:                  return "GL_REG_0_ATI";
 119         case GL_REG_1_ATI:                  return "GL_REG_1_ATI";
 120         case GL_REG_2_ATI:                  return "GL_REG_2_ATI";
 121         case GL_REG_3_ATI:                  return "GL_REG_3_ATI";
 122         case GL_REG_4_ATI:                  return "GL_REG_4_ATI";
 123         case GL_REG_5_ATI:                  return "GL_REG_5_ATI";
 124
 125         case GL_CON_0_ATI:                  return "GL_CON_0_ATI";
 126         case GL_CON_1_ATI:                  return "GL_CON_1_ATI";
 127         case GL_CON_2_ATI:                  return "GL_CON_2_ATI";
 128         case GL_CON_3_ATI:                  return "GL_CON_3_ATI";
 129         case GL_CON_4_ATI:                  return "GL_CON_4_ATI";
 130         case GL_CON_5_ATI:                  return "GL_CON_5_ATI";
 131         case GL_CON_6_ATI:                  return "GL_CON_6_ATI";
 132         case GL_CON_7_ATI:                  return "GL_CON_7_ATI";
 133
 134         case GL_ZERO:                       return "GL_ZERO";
 135         case GL_ONE:                        return "GL_ONE";
 136         case GL_PRIMARY_COLOR:              return "GL_PRIMARY_COLOR";
 137         case GL_SECONDARY_INTERPOLATOR_ATI: return "GL_SECONDARY_INTERPOLATOR_ATI";
 138
 139         default:                            return "Unknown register\n";
 140     }
 141 }
 142
 143 static const char *debug_swizzle(GLuint swizzle) {
 144     switch(swizzle) {
 145         case GL_SWIZZLE_STR_ATI:        return "GL_SWIZZLE_STR_ATI";
 146         case GL_SWIZZLE_STQ_ATI:        return "GL_SWIZZLE_STQ_ATI";
 147         case GL_SWIZZLE_STR_DR_ATI:     return "GL_SWIZZLE_STR_DR_ATI";
 148         case GL_SWIZZLE_STQ_DQ_ATI:     return "GL_SWIZZLE_STQ_DQ_ATI";
 149         default:                        return "unknown swizzle";
 150     }
 151 }
 152
 153 static const char *debug_rep(GLuint rep) {
 154     switch(rep) {
 155         case GL_NONE:                   return "GL_NONE";
 156         case GL_RED:                    return "GL_RED";
 157         case GL_GREEN:                  return "GL_GREEN";
 158         case GL_BLUE:                   return "GL_BLUE";
 159         default:                        return "unknown argrep";
 160     }
 161 }
 162
 163 static const char *debug_op(GLuint op) {
 164     switch(op) {
 165         case GL_MOV_ATI:                return "GL_MOV_ATI";
 166         case GL_ADD_ATI:                return "GL_ADD_ATI";
 167         case GL_MUL_ATI:                return "GL_MUL_ATI";
 168         case GL_SUB_ATI:                return "GL_SUB_ATI";
 169         case GL_DOT3_ATI:               return "GL_DOT3_ATI";
 170         case GL_DOT4_ATI:               return "GL_DOT4_ATI";
 171         case GL_MAD_ATI:                return "GL_MAD_ATI";
 172         case GL_LERP_ATI:               return "GL_LERP_ATI";
 173         case GL_CND_ATI:                return "GL_CND_ATI";
 174         case GL_CND0_ATI:               return "GL_CND0_ATI";
 175         case GL_DOT2_ADD_ATI:           return "GL_DOT2_ADD_ATI";
 176         default:                        return "unexpected op";
 177     }
 178 }
 179
 180 static const char *debug_mask(GLuint mask) {
 181     switch(mask) {
 182         case GL_NONE:                           return "GL_NONE";
 183         case GL_RED_BIT_ATI:                    return "GL_RED_BIT_ATI";
 184         case GL_GREEN_BIT_ATI:                  return "GL_GREEN_BIT_ATI";
 185         case GL_BLUE_BIT_ATI:                   return "GL_BLUE_BIT_ATI";
 186         case GL_RED_BIT_ATI | GL_GREEN_BIT_ATI: return "GL_RED_BIT_ATI | GL_GREEN_BIT_ATI";
 187         case GL_RED_BIT_ATI | GL_BLUE_BIT_ATI:  return "GL_RED_BIT_ATI | GL_BLUE_BIT_ATI";
 188         case GL_GREEN_BIT_ATI | GL_BLUE_BIT_ATI:return "GL_GREEN_BIT_ATI | GL_BLUE_BIT_ATI";
 189         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";
 190         default:                                return "Unexpected writemask";
 191     }
 192 }
 193 #define GLINFO_LOCATION (*gl_info)
 194
 195 static void wrap_op1(const struct wined3d_gl_info *gl_info, GLuint op, GLuint dst, GLuint dstMask, GLuint dstMod,
 196         GLuint arg1, GLuint arg1Rep, GLuint arg1Mod)
 197 {
 198     if(dstMask == GL_ALPHA) {
 199         TRACE("glAlphaFragmentOp1ATI(%s, %s, %s, %s, %s, %s)\n", debug_op(op), debug_register(dst), debug_dstmod(dstMod),
 200               debug_register(arg1), debug_rep(arg1Rep), debug_argmod(arg1Mod));
 201         GL_EXTCALL(glAlphaFragmentOp1ATI(op, dst, dstMod, arg1, arg1Rep, arg1Mod));
 202     } else {
 203         TRACE("glColorFragmentOp1ATI(%s, %s, %s, %s, %s, %s, %s)\n", debug_op(op), debug_register(dst),
 204               debug_mask(dstMask), debug_dstmod(dstMod),
 205               debug_register(arg1), debug_rep(arg1Rep), debug_argmod(arg1Mod));
 206         GL_EXTCALL(glColorFragmentOp1ATI(op, dst, dstMask, dstMod, arg1, arg1Rep, arg1Mod));
 207     }
 208 }
 209
 210 static void wrap_op2(const struct wined3d_gl_info *gl_info, GLuint op, GLuint dst, GLuint dstMask, GLuint dstMod,
 211         GLuint arg1, GLuint arg1Rep, GLuint arg1Mod, GLuint arg2, GLuint arg2Rep, GLuint arg2Mod)
 212 {
 213     if(dstMask == GL_ALPHA) {
 214         TRACE("glAlphaFragmentOp2ATI(%s, %s, %s, %s, %s, %s, %s, %s, %s)\n", debug_op(op), debug_register(dst), debug_dstmod(dstMod),
 215               debug_register(arg1), debug_rep(arg1Rep), debug_argmod(arg1Mod),
 216               debug_register(arg2), debug_rep(arg2Rep), debug_argmod(arg2Mod));
 217         GL_EXTCALL(glAlphaFragmentOp2ATI(op, dst, dstMod, arg1, arg1Rep, arg1Mod, arg2, arg2Rep, arg2Mod));
 218     } else {
 219         TRACE("glColorFragmentOp2ATI(%s, %s, %s, %s, %s, %s, %s, %s, %s, %s)\n", debug_op(op), debug_register(dst),
 220               debug_mask(dstMask), debug_dstmod(dstMod),
 221               debug_register(arg1), debug_rep(arg1Rep), debug_argmod(arg1Mod),
 222               debug_register(arg2), debug_rep(arg2Rep), debug_argmod(arg2Mod));
 223         GL_EXTCALL(glColorFragmentOp2ATI(op, dst, dstMask, dstMod, arg1, arg1Rep, arg1Mod, arg2, arg2Rep, arg2Mod));
 224     }
 225 }
 226
 227 static void wrap_op3(const struct wined3d_gl_info *gl_info, GLuint op, GLuint dst, GLuint dstMask, GLuint dstMod,
 228         GLuint arg1, GLuint arg1Rep, GLuint arg1Mod, GLuint arg2, GLuint arg2Rep, GLuint arg2Mod,
 229         GLuint arg3, GLuint arg3Rep, GLuint arg3Mod)
 230 {
 231     if(dstMask == GL_ALPHA) {
 232         /* Leave some free space to fit "GL_NONE, " in to align most alpha and color op lines */
 233         TRACE("glAlphaFragmentOp3ATI(%s, %s,          %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)\n", debug_op(op), debug_register(dst), debug_dstmod(dstMod),
 234               debug_register(arg1), debug_rep(arg1Rep), debug_argmod(arg1Mod),
 235               debug_register(arg2), debug_rep(arg2Rep), debug_argmod(arg2Mod),
 236               debug_register(arg3), debug_rep(arg3Rep), debug_argmod(arg3Mod));
 237         GL_EXTCALL(glAlphaFragmentOp3ATI(op, dst, dstMod,
 238                                          arg1, arg1Rep, arg1Mod,
 239                                          arg2, arg2Rep, arg2Mod,
 240                                          arg3, arg3Rep, arg3Mod));
 241     } else {
 242         TRACE("glColorFragmentOp3ATI(%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)\n", debug_op(op), debug_register(dst),
 243               debug_mask(dstMask), debug_dstmod(dstMod),
 244               debug_register(arg1), debug_rep(arg1Rep), debug_argmod(arg1Mod),
 245               debug_register(arg2), debug_rep(arg2Rep), debug_argmod(arg2Mod),
 246               debug_register(arg3), debug_rep(arg3Rep), debug_argmod(arg3Mod));
 247         GL_EXTCALL(glColorFragmentOp3ATI(op, dst, dstMask, dstMod,
 248                                          arg1, arg1Rep, arg1Mod,
 249                                          arg2, arg2Rep, arg2Mod,
 250                                          arg3, arg3Rep, arg3Mod));
 251     }
 252 }
 253
 254 static GLuint register_for_arg(DWORD arg, const struct wined3d_gl_info *gl_info,
 255         unsigned int stage, GLuint *mod, GLuint *rep, GLuint tmparg)
 256 {
 257     GLenum ret;
 258
 259     if(mod) *mod = GL_NONE;
 260     if(arg == ARG_UNUSED)
 261     {
 262         if (rep) *rep = GL_NONE;
 263         return -1; /* This is the marker for unused registers */
 264     }
 265
 266     switch(arg & WINED3DTA_SELECTMASK) {
 267         case WINED3DTA_DIFFUSE:
 268             ret = GL_PRIMARY_COLOR;
 269             break;
 270
 271         case WINED3DTA_CURRENT:
 272             /* Note that using GL_REG_0_ATI for the passed on register is safe because
 273              * texture0 is read at stage0, so in the worst case it is read in the
 274              * instruction writing to reg0. Afterwards texture0 is not used any longer.
 275              * If we're reading from current
 276              */
 277             if(stage == 0) {
 278                 ret = GL_PRIMARY_COLOR;
 279             } else {
 280                 ret = GL_REG_0_ATI;
 281             }
 282             break;
 283
 284         case WINED3DTA_TEXTURE:
 285             ret = GL_REG_0_ATI + stage;
 286             break;
 287
 288         case WINED3DTA_TFACTOR:
 289             ret = ATI_FFP_CONST_TFACTOR;
 290             break;
 291
 292         case WINED3DTA_SPECULAR:
 293             ret = GL_SECONDARY_INTERPOLATOR_ATI;
 294             break;
 295
 296         case WINED3DTA_TEMP:
 297             ret = tmparg;
 298             break;
 299
 300         case WINED3DTA_CONSTANT:
 301             FIXME("Unhandled source argument WINED3DTA_TEMP\n");
 302             ret = GL_CON_0_ATI;
 303             break;
 304
 305         default:
 306             FIXME("Unknown source argument %d\n", arg);
 307             ret = GL_ZERO;
 308     }
 309
 310     if(arg & WINED3DTA_COMPLEMENT) {
 311         if(mod) *mod |= GL_COMP_BIT_ATI;
 312     }
 313     if(arg & WINED3DTA_ALPHAREPLICATE) {
 314         if(rep) *rep = GL_ALPHA;
 315     } else {
 316         if(rep) *rep = GL_NONE;
 317     }
 318     return ret;
 319 }
 320
 321 static GLuint find_tmpreg(const struct texture_stage_op op[MAX_TEXTURES])
 322 {
 323     int lowest_read = -1;
 324     int lowest_write = -1;
 325     int i;
 326     BOOL tex_used[MAX_TEXTURES];
 327
 328     memset(tex_used, 0, sizeof(tex_used));
 329     for(i = 0; i < MAX_TEXTURES; i++) {
 330         if(op[i].cop == WINED3DTOP_DISABLE) {
 331             break;
 332         }
 333
 334         if(lowest_read == -1 &&
 335           (op[i].carg1 == WINED3DTA_TEMP || op[i].carg2 == WINED3DTA_TEMP || op[i].carg0 == WINED3DTA_TEMP ||
 336            op[i].aarg1 == WINED3DTA_TEMP || op[i].aarg2 == WINED3DTA_TEMP || op[i].aarg0 == WINED3DTA_TEMP)) {
 337             lowest_read = i;
 338         }
 339
 340         if(lowest_write == -1 && op[i].dst == tempreg) {
 341             lowest_write = i;
 342         }
 343
 344         if(op[i].carg1 == WINED3DTA_TEXTURE || op[i].carg2 == WINED3DTA_TEXTURE || op[i].carg0 == WINED3DTA_TEXTURE ||
 345            op[i].aarg1 == WINED3DTA_TEXTURE || op[i].aarg2 == WINED3DTA_TEXTURE || op[i].aarg0 == WINED3DTA_TEXTURE) {
 346             tex_used[i] = TRUE;
 347         }
 348     }
 349
 350     /* Temp reg not read? We don't need it, return GL_NONE */
 351     if(lowest_read == -1) return GL_NONE;
 352
 353     if(lowest_write >= lowest_read) {
 354         FIXME("Temp register read before being written\n");
 355     }
 356
 357     if(lowest_write == -1) {
 358         /* This needs a test. Maybe we are supposed to return 0.0/0.0/0.0/0.0, or fail drawprim, or whatever */
 359         FIXME("Temp register read without being written\n");
 360         return GL_REG_1_ATI;
 361     } else if(lowest_write >= 1) {
 362         /* If we're writing to the temp reg at earliest in stage 1, we can use register 1 for the temp result.
 363          * there may be texture data stored in reg 1, but we do not need it any longer since stage 1 already
 364          * read it
 365          */
 366         return GL_REG_1_ATI;
 367     } else {
 368         /* Search for a free texture register. We have 6 registers available. GL_REG_0_ATI is already used
 369          * for the regular result
 370          */
 371         for(i = 1; i < 6; i++) {
 372             if(!tex_used[i]) {
 373                 return GL_REG_0_ATI + i;
 374             }
 375         }
 376         /* What to do here? Report it in ValidateDevice? */
 377         FIXME("Could not find a register for the temporary register\n");
 378         return 0;
 379     }
 380 }
 381
 382 static GLuint gen_ati_shader(const struct texture_stage_op op[MAX_TEXTURES], const struct wined3d_gl_info *gl_info)
 383 {
 384     GLuint ret = GL_EXTCALL(glGenFragmentShadersATI(1));
 385     unsigned int stage;
 386     GLuint arg0, arg1, arg2, extrarg;
 387     GLuint dstmod, argmod0, argmod1, argmod2, argmodextra;
 388     GLuint rep0, rep1, rep2;
 389     GLuint swizzle;
 390     GLuint tmparg = find_tmpreg(op);
 391     GLuint dstreg;
 392
 393     if(!ret) {
 394         ERR("Failed to generate a GL_ATI_fragment_shader shader id\n");
 395         return 0;
 396     }
 397     GL_EXTCALL(glBindFragmentShaderATI(ret));
 398     checkGLcall("GL_EXTCALL(glBindFragmentShaderATI(ret))");
 399
 400     TRACE("glBeginFragmentShaderATI()\n");
 401     GL_EXTCALL(glBeginFragmentShaderATI());
 402     checkGLcall("GL_EXTCALL(glBeginFragmentShaderATI())");
 403
 404     /* Pass 1: Generate sampling instructions for perturbation maps */
 405       for(stage = 0; stage < GL_LIMITS(textures); stage++) {
 406         if(op[stage].cop == WINED3DTOP_DISABLE) break;
 407         if(op[stage].cop != WINED3DTOP_BUMPENVMAP &&
 408            op[stage].cop != WINED3DTOP_BUMPENVMAPLUMINANCE) continue;
 409
 410         TRACE("glSampleMapATI(GL_REG_%d_ATI, GL_TEXTURE_%d_ARB, GL_SWIZZLE_STR_ATI)\n",
 411               stage, stage);
 412         GL_EXTCALL(glSampleMapATI(GL_REG_0_ATI + stage,
 413                    GL_TEXTURE0_ARB + stage,
 414                    GL_SWIZZLE_STR_ATI));
 415         if(op[stage + 1].projected == proj_none) {
 416             swizzle = GL_SWIZZLE_STR_ATI;
 417         } else if(op[stage + 1].projected == proj_count4) {
 418             swizzle = GL_SWIZZLE_STQ_DQ_ATI;
 419         } else {
 420             swizzle = GL_SWIZZLE_STR_DR_ATI;
 421         }
 422         TRACE("glPassTexCoordATI(GL_REG_%d_ATI, GL_TEXTURE_%d_ARB, %s)\n",
 423               stage + 1, stage + 1, debug_swizzle(swizzle));
 424         GL_EXTCALL(glPassTexCoordATI(GL_REG_0_ATI + stage + 1,
 425                    GL_TEXTURE0_ARB + stage + 1,
 426                    swizzle));
 427     }
 428
 429     /* Pass 2: Generate perturbation calculations */
 430     for(stage = 0; stage < GL_LIMITS(textures); stage++) {
 431         GLuint argmodextra_x, argmodextra_y;
 432         struct color_fixup_desc fixup;
 433
 434         if(op[stage].cop == WINED3DTOP_DISABLE) break;
 435         if(op[stage].cop != WINED3DTOP_BUMPENVMAP &&
 436            op[stage].cop != WINED3DTOP_BUMPENVMAPLUMINANCE) continue;
 437
 438         fixup = op[stage].color_fixup;
 439         if (fixup.x_source != CHANNEL_SOURCE_X || fixup.y_source != CHANNEL_SOURCE_Y)
 440         {
 441             FIXME("Swizzles not implemented\n");
 442             argmodextra_x = GL_NONE;
 443             argmodextra_y = GL_NONE;
 444         }
 445         else
 446         {
 447             /* Nice thing, we get the color correction for free :-) */
 448             argmodextra_x = fixup.x_sign_fixup ? GL_2X_BIT_ATI | GL_BIAS_BIT_ATI : GL_NONE;
 449             argmodextra_y = fixup.y_sign_fixup ? GL_2X_BIT_ATI | GL_BIAS_BIT_ATI : GL_NONE;
 450         }
 451
 452         wrap_op3(gl_info, GL_DOT2_ADD_ATI, GL_REG_0_ATI + stage + 1, GL_RED_BIT_ATI, GL_NONE,
 453                  GL_REG_0_ATI + stage, GL_NONE, argmodextra_x,
 454                  ATI_FFP_CONST_BUMPMAT(stage), GL_NONE, GL_2X_BIT_ATI | GL_BIAS_BIT_ATI,
 455                  GL_REG_0_ATI + stage + 1, GL_RED, GL_NONE);
 456
 457         /* Don't use GL_DOT2_ADD_ATI here because we cannot configure it to read the blue and alpha
 458          * component of the bump matrix. Instead do this with two MADs:
 459          *
 460          * coord.a = tex.r * bump.b + coord.g
 461          * coord.g = tex.g * bump.a + coord.a
 462          *
 463          * The first instruction writes to alpha so it can be coissued with the above DOT2_ADD.
 464          * coord.a is unused. If the perturbed texture is projected, this was already handled
 465          * in the glPassTexCoordATI above.
 466          */
 467         wrap_op3(gl_info, GL_MAD_ATI, GL_REG_0_ATI + stage + 1, GL_ALPHA, GL_NONE,
 468                  GL_REG_0_ATI + stage, GL_RED, argmodextra_y,
 469                  ATI_FFP_CONST_BUMPMAT(stage), GL_BLUE, GL_NONE,
 470                  GL_REG_0_ATI + stage + 1, GL_GREEN, GL_NONE);
 471         wrap_op3(gl_info, GL_MAD_ATI, GL_REG_0_ATI + stage + 1, GL_GREEN_BIT_ATI, GL_NONE,
 472                  GL_REG_0_ATI + stage, GL_GREEN, argmodextra_y,
 473                  ATI_FFP_CONST_BUMPMAT(stage), GL_ALPHA, GL_NONE,
 474                  GL_REG_0_ATI + stage + 1, GL_ALPHA, GL_NONE);
 475     }
 476
 477     /* Pass 3: Generate sampling instructions for regular textures */
 478     for(stage = 0; stage < GL_LIMITS(textures); stage++) {
 479         if(op[stage].cop == WINED3DTOP_DISABLE) {
 480             break;
 481         }
 482
 483         if(op[stage].projected == proj_none) {
 484             swizzle = GL_SWIZZLE_STR_ATI;
 485         } else if(op[stage].projected == proj_count3) {
 486             swizzle = GL_SWIZZLE_STR_DR_ATI;
 487         } else {
 488             swizzle = GL_SWIZZLE_STQ_DQ_ATI;
 489         }
 490
 491         if((op[stage].carg0 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 492            (op[stage].carg1 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 493            (op[stage].carg2 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 494            (op[stage].aarg0 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 495            (op[stage].aarg1 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 496            (op[stage].aarg2 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 497             op[stage].cop == WINED3DTOP_BLENDTEXTUREALPHA) {
 498
 499             if(stage > 0 &&
 500                (op[stage - 1].cop == WINED3DTOP_BUMPENVMAP ||
 501                 op[stage - 1].cop == WINED3DTOP_BUMPENVMAPLUMINANCE)) {
 502                 TRACE("glSampleMapATI(GL_REG_%d_ATI, GL_REG_%d_ATI, GL_SWIZZLE_STR_ATI)\n",
 503                       stage, stage);
 504                 GL_EXTCALL(glSampleMapATI(GL_REG_0_ATI + stage,
 505                            GL_REG_0_ATI + stage,
 506                            GL_SWIZZLE_STR_ATI));
 507             } else {
 508                 TRACE("glSampleMapATI(GL_REG_%d_ATI, GL_TEXTURE_%d_ARB, %s)\n",
 509                     stage, stage, debug_swizzle(swizzle));
 510                 GL_EXTCALL(glSampleMapATI(GL_REG_0_ATI + stage,
 511                                         GL_TEXTURE0_ARB + stage,
 512                                         swizzle));
 513             }
 514         }
 515     }
 516
 517     /* Pass 4: Generate the arithmetic instructions */
 518     for(stage = 0; stage < MAX_TEXTURES; stage++) {
 519         if(op[stage].cop == WINED3DTOP_DISABLE) {
 520             if(stage == 0) {
 521                 /* Handle complete texture disabling gracefully */
 522                 wrap_op1(gl_info, GL_MOV_ATI, GL_REG_0_ATI, GL_NONE, GL_NONE,
 523                          GL_PRIMARY_COLOR, GL_NONE, GL_NONE);
 524                 wrap_op1(gl_info, GL_MOV_ATI, GL_REG_0_ATI, GL_ALPHA, GL_NONE,
 525                          GL_PRIMARY_COLOR, GL_NONE, GL_NONE);
 526             }
 527             break;
 528         }
 529
 530         if(op[stage].dst == tempreg) {
 531             /* If we're writing to D3DTA_TEMP, but never reading from it we don't have to write there in the first place.
 532              * skip the entire stage, this saves some GPU time
 533              */
 534             if(tmparg == GL_NONE) continue;
 535
 536             dstreg = tmparg;
 537         } else {
 538             dstreg = GL_REG_0_ATI;
 539         }
 540
 541         arg0 = register_for_arg(op[stage].carg0, gl_info, stage, &argmod0, &rep0, tmparg);
 542         arg1 = register_for_arg(op[stage].carg1, gl_info, stage, &argmod1, &rep1, tmparg);
 543         arg2 = register_for_arg(op[stage].carg2, gl_info, stage, &argmod2, &rep2, tmparg);
 544         dstmod = GL_NONE;
 545         argmodextra = GL_NONE;
 546         extrarg = GL_NONE;
 547
 548         switch(op[stage].cop) {
 549             case WINED3DTOP_SELECTARG2:
 550                 arg1 = arg2;
 551                 argmod1 = argmod2;
 552                 rep1 = rep2;
 553             case WINED3DTOP_SELECTARG1:
 554                 wrap_op1(gl_info, GL_MOV_ATI, dstreg, GL_NONE, GL_NONE,
 555                          arg1, rep1, argmod1);
 556                 break;
 557
 558             case WINED3DTOP_MODULATE4X:
 559                 if(dstmod == GL_NONE) dstmod = GL_4X_BIT_ATI;
 560             case WINED3DTOP_MODULATE2X:
 561                 if(dstmod == GL_NONE) dstmod = GL_2X_BIT_ATI;
 562                 dstmod |= GL_SATURATE_BIT_ATI;
 563             case WINED3DTOP_MODULATE:
 564                 wrap_op2(gl_info, GL_MUL_ATI, dstreg, GL_NONE, dstmod,
 565                          arg1, rep1, argmod1,
 566                          arg2, rep2, argmod2);
 567                 break;
 568
 569             case WINED3DTOP_ADDSIGNED2X:
 570                 dstmod = GL_2X_BIT_ATI;
 571             case WINED3DTOP_ADDSIGNED:
 572                 argmodextra = GL_BIAS_BIT_ATI;
 573             case WINED3DTOP_ADD:
 574                 dstmod |= GL_SATURATE_BIT_ATI;
 575                 wrap_op2(gl_info, GL_ADD_ATI, GL_REG_0_ATI, GL_NONE, dstmod,
 576                          arg1, rep1, argmod1,
 577                          arg2, rep2, argmodextra | argmod2);
 578                 break;
 579
 580             case WINED3DTOP_SUBTRACT:
 581                 dstmod |= GL_SATURATE_BIT_ATI;
 582                 wrap_op2(gl_info, GL_SUB_ATI, dstreg, GL_NONE, dstmod,
 583                          arg1, rep1, argmod1,
 584                          arg2, rep2, argmod2);
 585                 break;
 586
 587             case WINED3DTOP_ADDSMOOTH:
 588                 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
 589                 /* Dst = arg1 + * arg2(1 -arg 1)
 590                  *     = arg2 * (1 - arg1) + arg1
 591                  */
 592                 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_NONE, GL_SATURATE_BIT_ATI,
 593                          arg2, rep2, argmod2,
 594                          arg1, rep1, argmodextra,
 595                          arg1, rep1, argmod1);
 596                 break;
 597
 598             case WINED3DTOP_BLENDCURRENTALPHA:
 599                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_CURRENT, gl_info, stage, NULL, NULL, -1);
 600             case WINED3DTOP_BLENDFACTORALPHA:
 601                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TFACTOR, gl_info, stage, NULL, NULL, -1);
 602             case WINED3DTOP_BLENDTEXTUREALPHA:
 603                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, NULL, -1);
 604             case WINED3DTOP_BLENDDIFFUSEALPHA:
 605                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_DIFFUSE, gl_info, stage, NULL, NULL, -1);
 606                 wrap_op3(gl_info, GL_LERP_ATI, dstreg, GL_NONE, GL_NONE,
 607                          extrarg, GL_ALPHA, GL_NONE,
 608                          arg1, rep1, argmod1,
 609                          arg2, rep2, argmod2);
 610                 break;
 611
 612             case WINED3DTOP_BLENDTEXTUREALPHAPM:
 613                 arg0 = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, NULL, -1);
 614                 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_NONE, GL_NONE,
 615                          arg2, rep2,  argmod2,
 616                          arg0, GL_ALPHA, GL_COMP_BIT_ATI,
 617                          arg1, rep1,  argmod1);
 618                 break;
 619
 620             /* D3DTOP_PREMODULATE ???? */
 621
 622             case WINED3DTOP_MODULATEINVALPHA_ADDCOLOR:
 623                 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
 624             case WINED3DTOP_MODULATEALPHA_ADDCOLOR:
 625                 if(!argmodextra) argmodextra = argmod1;
 626                 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_NONE, GL_SATURATE_BIT_ATI,
 627                          arg2, rep2,  argmod2,
 628                          arg1, GL_ALPHA, argmodextra,
 629                          arg1, rep1,  argmod1);
 630                 break;
 631
 632             case WINED3DTOP_MODULATEINVCOLOR_ADDALPHA:
 633                 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
 634             case WINED3DTOP_MODULATECOLOR_ADDALPHA:
 635                 if(!argmodextra) argmodextra = argmod1;
 636                 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_NONE, GL_SATURATE_BIT_ATI,
 637                          arg2, rep2,  argmod2,
 638                          arg1, rep1,  argmodextra,
 639                          arg1, GL_ALPHA, argmod1);
 640                 break;
 641
 642             case WINED3DTOP_DOTPRODUCT3:
 643                 wrap_op2(gl_info, GL_DOT3_ATI, dstreg, GL_NONE, GL_4X_BIT_ATI | GL_SATURATE_BIT_ATI,
 644                          arg1, rep1, argmod1 | GL_BIAS_BIT_ATI,
 645                          arg2, rep2, argmod2 | GL_BIAS_BIT_ATI);
 646                 break;
 647
 648             case WINED3DTOP_MULTIPLYADD:
 649                 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_NONE, GL_SATURATE_BIT_ATI,
 650                          arg1, rep1, argmod1,
 651                          arg2, rep2, argmod2,
 652                          arg0, rep0, argmod0);
 653                 break;
 654
 655             case WINED3DTOP_LERP:
 656                 wrap_op3(gl_info, GL_LERP_ATI, dstreg, GL_NONE, GL_NONE,
 657                          arg0, rep0, argmod0,
 658                          arg1, rep1, argmod1,
 659                          arg2, rep2, argmod2);
 660                 break;
 661
 662             case WINED3DTOP_BUMPENVMAP:
 663             case WINED3DTOP_BUMPENVMAPLUMINANCE:
 664                 /* Those are handled in the first pass of the shader(generation pass 1 and 2) already */
 665                 break;
 666
 667             default: FIXME("Unhandled color operation %d on stage %d\n", op[stage].cop, stage);
 668         }
 669
 670         arg0 = register_for_arg(op[stage].aarg0, gl_info, stage, &argmod0, NULL, tmparg);
 671         arg1 = register_for_arg(op[stage].aarg1, gl_info, stage, &argmod1, NULL, tmparg);
 672         arg2 = register_for_arg(op[stage].aarg2, gl_info, stage, &argmod2, NULL, tmparg);
 673         dstmod = GL_NONE;
 674         argmodextra = GL_NONE;
 675         extrarg = GL_NONE;
 676
 677         switch(op[stage].aop) {
 678             case WINED3DTOP_DISABLE:
 679                 /* Get the primary color to the output if on stage 0, otherwise leave register 0 untouched */
 680                 if(stage == 0) {
 681                     wrap_op1(gl_info, GL_MOV_ATI, GL_REG_0_ATI, GL_ALPHA, GL_NONE,
 682                              GL_PRIMARY_COLOR, GL_NONE, GL_NONE);
 683                 }
 684                 break;
 685
 686             case WINED3DTOP_SELECTARG2:
 687                 arg1 = arg2;
 688                 argmod1 = argmod2;
 689             case WINED3DTOP_SELECTARG1:
 690                 wrap_op1(gl_info, GL_MOV_ATI, dstreg, GL_ALPHA, GL_NONE,
 691                          arg1, GL_NONE, argmod1);
 692                 break;
 693
 694             case WINED3DTOP_MODULATE4X:
 695                 if(dstmod == GL_NONE) dstmod = GL_4X_BIT_ATI;
 696             case WINED3DTOP_MODULATE2X:
 697                 if(dstmod == GL_NONE) dstmod = GL_2X_BIT_ATI;
 698                 dstmod |= GL_SATURATE_BIT_ATI;
 699             case WINED3DTOP_MODULATE:
 700                 wrap_op2(gl_info, GL_MUL_ATI, dstreg, GL_ALPHA, dstmod,
 701                          arg1, GL_NONE, argmod1,
 702                          arg2, GL_NONE, argmod2);
 703                 break;
 704
 705             case WINED3DTOP_ADDSIGNED2X:
 706                 dstmod = GL_2X_BIT_ATI;
 707             case WINED3DTOP_ADDSIGNED:
 708                 argmodextra = GL_BIAS_BIT_ATI;
 709             case WINED3DTOP_ADD:
 710                 dstmod |= GL_SATURATE_BIT_ATI;
 711                 wrap_op2(gl_info, GL_ADD_ATI, dstreg, GL_ALPHA, dstmod,
 712                          arg1, GL_NONE, argmod1,
 713                          arg2, GL_NONE, argmodextra | argmod2);
 714                 break;
 715
 716             case WINED3DTOP_SUBTRACT:
 717                 dstmod |= GL_SATURATE_BIT_ATI;
 718                 wrap_op2(gl_info, GL_SUB_ATI, dstreg, GL_ALPHA, dstmod,
 719                          arg1, GL_NONE, argmod1,
 720                          arg2, GL_NONE, argmod2);
 721                 break;
 722
 723             case WINED3DTOP_ADDSMOOTH:
 724                 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
 725                 /* Dst = arg1 + * arg2(1 -arg 1)
 726                  *     = arg2 * (1 - arg1) + arg1
 727                  */
 728                 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_ALPHA, GL_SATURATE_BIT_ATI,
 729                          arg2, GL_NONE, argmod2,
 730                          arg1, GL_NONE, argmodextra,
 731                          arg1, GL_NONE, argmod1);
 732                 break;
 733
 734             case WINED3DTOP_BLENDCURRENTALPHA:
 735                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_CURRENT, gl_info, stage, NULL, NULL, -1);
 736             case WINED3DTOP_BLENDFACTORALPHA:
 737                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TFACTOR, gl_info, stage, NULL, NULL, -1);
 738             case WINED3DTOP_BLENDTEXTUREALPHA:
 739                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, NULL, -1);
 740             case WINED3DTOP_BLENDDIFFUSEALPHA:
 741                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_DIFFUSE, gl_info, stage, NULL, NULL, -1);
 742                 wrap_op3(gl_info, GL_LERP_ATI, dstreg, GL_ALPHA, GL_NONE,
 743                          extrarg, GL_ALPHA, GL_NONE,
 744                          arg1, GL_NONE, argmod1,
 745                          arg2, GL_NONE, argmod2);
 746                 break;
 747
 748             case WINED3DTOP_BLENDTEXTUREALPHAPM:
 749                 arg0 = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, NULL, -1);
 750                 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_ALPHA, GL_NONE,
 751                          arg2, GL_NONE,  argmod2,
 752                          arg0, GL_ALPHA, GL_COMP_BIT_ATI,
 753                          arg1, GL_NONE,  argmod1);
 754                 break;
 755
 756             /* D3DTOP_PREMODULATE ???? */
 757
 758             case WINED3DTOP_DOTPRODUCT3:
 759                 wrap_op2(gl_info, GL_DOT3_ATI, dstreg, GL_ALPHA, GL_4X_BIT_ATI | GL_SATURATE_BIT_ATI,
 760                          arg1, GL_NONE, argmod1 | GL_BIAS_BIT_ATI,
 761                          arg2, GL_NONE, argmod2 | GL_BIAS_BIT_ATI);
 762                 break;
 763
 764             case WINED3DTOP_MULTIPLYADD:
 765                 wrap_op3(gl_info, GL_MAD_ATI, dstreg, GL_ALPHA, GL_SATURATE_BIT_ATI,
 766                          arg1, GL_NONE, argmod1,
 767                          arg2, GL_NONE, argmod2,
 768                          arg0, GL_NONE, argmod0);
 769                 break;
 770
 771             case WINED3DTOP_LERP:
 772                 wrap_op3(gl_info, GL_LERP_ATI, dstreg, GL_ALPHA, GL_SATURATE_BIT_ATI,
 773                          arg1, GL_NONE, argmod1,
 774                          arg2, GL_NONE, argmod2,
 775                          arg0, GL_NONE, argmod0);
 776                 break;
 777
 778             case WINED3DTOP_MODULATEINVALPHA_ADDCOLOR:
 779             case WINED3DTOP_MODULATEALPHA_ADDCOLOR:
 780             case WINED3DTOP_MODULATECOLOR_ADDALPHA:
 781             case WINED3DTOP_MODULATEINVCOLOR_ADDALPHA:
 782             case WINED3DTOP_BUMPENVMAP:
 783             case WINED3DTOP_BUMPENVMAPLUMINANCE:
 784                 ERR("Application uses an invalid alpha operation\n");
 785                 break;
 786
 787             default: FIXME("Unhandled alpha operation %d on stage %d\n", op[stage].aop, stage);
 788         }
 789     }
 790
 791     TRACE("glEndFragmentShaderATI()\n");
 792     GL_EXTCALL(glEndFragmentShaderATI());
 793     checkGLcall("GL_EXTCALL(glEndFragmentShaderATI())");
 794     return ret;
 795 }
 796 #undef GLINFO_LOCATION
 797
 798 #define GLINFO_LOCATION stateblock->wineD3DDevice->adapter->gl_info
 799 static void set_tex_op_atifs(DWORD state, IWineD3DStateBlockImpl *stateblock, struct wined3d_context *context)
 800 {
 801     IWineD3DDeviceImpl          *This = stateblock->wineD3DDevice;
 802     const struct atifs_ffp_desc *desc;
 803     struct ffp_frag_settings     settings;
 804     struct atifs_private_data   *priv = This->fragment_priv;
 805     DWORD mapped_stage;
 806     unsigned int i;
 807
 808     gen_ffp_frag_op(stateblock, &settings, TRUE);
 809     desc = (const struct atifs_ffp_desc *)find_ffp_frag_shader(&priv->fragment_shaders, &settings);
 810     if(!desc) {
 811         struct atifs_ffp_desc *new_desc = HeapAlloc(GetProcessHeap(), 0, sizeof(*new_desc));
 812         if (!new_desc)
 813         {
 814             ERR("Out of memory\n");
 815             return;
 816         }
 817         new_desc->num_textures_used = 0;
 818         for(i = 0; i < GL_LIMITS(texture_stages); i++) {
 819             if(settings.op[i].cop == WINED3DTOP_DISABLE) break;
 820             new_desc->num_textures_used = i;
 821         }
 822
 823         memcpy(&new_desc->parent.settings, &settings, sizeof(settings));
 824         new_desc->shader = gen_ati_shader(settings.op, &GLINFO_LOCATION);
 825         add_ffp_frag_shader(&priv->fragment_shaders, &new_desc->parent);
 826         TRACE("Allocated fixed function replacement shader descriptor %p\n", new_desc);
 827         desc = new_desc;
 828     }
 829
 830     /* GL_ATI_fragment_shader depends on the GL_TEXTURE_xD enable settings. Update the texture stages
 831      * used by this shader
 832      */
 833     for(i = 0; i < desc->num_textures_used; i++) {
 834         mapped_stage = This->texUnitMap[i];
 835         if (mapped_stage != WINED3D_UNMAPPED_STAGE)
 836         {
 837             GL_EXTCALL(glActiveTextureARB(GL_TEXTURE0_ARB + mapped_stage));
 838             checkGLcall("glActiveTextureARB");
 839             texture_activate_dimensions(i, stateblock, context);
 840         }
 841     }
 842
 843     GL_EXTCALL(glBindFragmentShaderATI(desc->shader));
 844 }
 845
 846 static void state_texfactor_atifs(DWORD state, IWineD3DStateBlockImpl *stateblock, struct wined3d_context *context)
 847 {
 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, struct wined3d_context *context)
 856 {
 857     DWORD stage = (state - STATE_TEXTURESTAGE(0, 0)) / (WINED3D_HIGHEST_TEXTURE_STATE + 1);
 858     float mat[2][2];
 859
 860     mat[0][0] = *((float *) &stateblock->textureState[stage][WINED3DTSS_BUMPENVMAT00]);
 861     mat[1][0] = *((float *) &stateblock->textureState[stage][WINED3DTSS_BUMPENVMAT01]);
 862     mat[0][1] = *((float *) &stateblock->textureState[stage][WINED3DTSS_BUMPENVMAT10]);
 863     mat[1][1] = *((float *) &stateblock->textureState[stage][WINED3DTSS_BUMPENVMAT11]);
 864     /* GL_ATI_fragment_shader allows only constants from 0.0 to 1.0, but the bumpmat
 865      * constants can be in any range. While they should stay between [-1.0 and 1.0] because
 866      * Shader Model 1.x pixel shaders are clamped to that range negative values are used occasionally,
 867      * for example by our d3d9 test. So to get negative values scale -1;1 to 0;1 and undo that in the
 868      * shader(it is free). This might potentially reduce precision. However, if the hardware does
 869      * support proper floats it shouldn't, and if it doesn't we can't get anything better anyway
 870      */
 871     mat[0][0] = (mat[0][0] + 1.0f) * 0.5f;
 872     mat[1][0] = (mat[1][0] + 1.0f) * 0.5f;
 873     mat[0][1] = (mat[0][1] + 1.0f) * 0.5f;
 874     mat[1][1] = (mat[1][1] + 1.0f) * 0.5f;
 875     GL_EXTCALL(glSetFragmentShaderConstantATI(ATI_FFP_CONST_BUMPMAT(stage), (float *) mat));
 876     checkGLcall("glSetFragmentShaderConstantATI(ATI_FFP_CONST_BUMPMAT(stage), mat)");
 877 }
 878
 879 static void textransform(DWORD state, IWineD3DStateBlockImpl *stateblock, struct wined3d_context *context)
 880 {
 881     if(!isStateDirty(context, STATE_PIXELSHADER)) {
 882         set_tex_op_atifs(state, stateblock, context);
 883     }
 884 }
 885
 886 static void atifs_apply_pixelshader(DWORD state, IWineD3DStateBlockImpl *stateblock, struct wined3d_context *context)
 887 {
 888     IWineD3DDeviceImpl *device = stateblock->wineD3DDevice;
 889     BOOL use_vshader = use_vs(stateblock);
 890
 891     context->last_was_pshader = use_ps(stateblock);
 892     /* The ATIFS code does not support pixel shaders currently, but we have to provide a state handler
 893      * to call shader_select to select a vertex shader if one is applied because the vertex shader state
 894      * may defer calling the shader backend if the pshader state is dirty.
 895      *
 896      * In theory the application should not be able to mark the pixel shader dirty because it cannot
 897      * create a shader, and thus has no way to set the state to something != NULL. However, a different
 898      * pipeline part may link a different state to its pixelshader handler, thus a pshader state exists
 899      * and can be dirtified. Also the pshader is always dirtified at startup, and blitting disables all
 900      * shaders and dirtifies all shader states. If atifs can deal with this it keeps the rest of the code
 901      * simpler.
 902      */
 903     if(!isStateDirty(context, device->StateTable[STATE_VSHADER].representative)) {
 904         device->shader_backend->shader_select(context, FALSE, use_vshader);
 905
 906         if (!isStateDirty(context, STATE_VERTEXSHADERCONSTANT) && use_vshader) {
 907             device->StateTable[STATE_VERTEXSHADERCONSTANT].apply(STATE_VERTEXSHADERCONSTANT, stateblock, context);
 908         }
 909     }
 910 }
 911
 912 #undef GLINFO_LOCATION
 913
 914 static const struct StateEntryTemplate atifs_fragmentstate_template[] = {
 915     {STATE_RENDER(WINED3DRS_TEXTUREFACTOR),               { STATE_RENDER(WINED3DRS_TEXTUREFACTOR),              state_texfactor_atifs   }, WINED3D_GL_EXT_NONE             },
 916     {STATE_RENDER(WINED3DRS_FOGCOLOR),                    { STATE_RENDER(WINED3DRS_FOGCOLOR),                   state_fogcolor          }, WINED3D_GL_EXT_NONE             },
 917     {STATE_RENDER(WINED3DRS_FOGDENSITY),                  { STATE_RENDER(WINED3DRS_FOGDENSITY),                 state_fogdensity        }, WINED3D_GL_EXT_NONE             },
 918     {STATE_RENDER(WINED3DRS_FOGENABLE),                   { STATE_RENDER(WINED3DRS_FOGENABLE),                  state_fog_fragpart      }, WINED3D_GL_EXT_NONE             },
 919     {STATE_RENDER(WINED3DRS_FOGTABLEMODE),                { STATE_RENDER(WINED3DRS_FOGENABLE),                  state_fog_fragpart      }, WINED3D_GL_EXT_NONE             },
 920     {STATE_RENDER(WINED3DRS_FOGVERTEXMODE),               { STATE_RENDER(WINED3DRS_FOGENABLE),                  state_fog_fragpart      }, WINED3D_GL_EXT_NONE             },
 921     {STATE_RENDER(WINED3DRS_FOGSTART),                    { STATE_RENDER(WINED3DRS_FOGSTART),                   state_fogstartend       }, WINED3D_GL_EXT_NONE             },
 922     {STATE_RENDER(WINED3DRS_FOGEND),                      { STATE_RENDER(WINED3DRS_FOGSTART),                   state_fogstartend       }, WINED3D_GL_EXT_NONE             },
 923     {STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 924     {STATE_TEXTURESTAGE(0, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 925     {STATE_TEXTURESTAGE(0, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 926     {STATE_TEXTURESTAGE(0, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 927     {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 928     {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 929     {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 930     {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 931     {STATE_TEXTURESTAGE(0, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 932     {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
 933     {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
 934     {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
 935     {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
 936     {STATE_TEXTURESTAGE(1, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 937     {STATE_TEXTURESTAGE(1, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 938     {STATE_TEXTURESTAGE(1, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 939     {STATE_TEXTURESTAGE(1, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 940     {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 941     {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 942     {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 943     {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 944     {STATE_TEXTURESTAGE(1, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 945     {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
 946     {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
 947     {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
 948     {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
 949     {STATE_TEXTURESTAGE(2, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 950     {STATE_TEXTURESTAGE(2, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 951     {STATE_TEXTURESTAGE(2, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 952     {STATE_TEXTURESTAGE(2, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 953     {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 954     {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 955     {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 956     {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 957     {STATE_TEXTURESTAGE(2, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 958     {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
 959     {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
 960     {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
 961     {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
 962     {STATE_TEXTURESTAGE(3, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 963     {STATE_TEXTURESTAGE(3, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 964     {STATE_TEXTURESTAGE(3, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 965     {STATE_TEXTURESTAGE(3, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 966     {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 967     {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 968     {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 969     {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 970     {STATE_TEXTURESTAGE(3, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 971     {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
 972     {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
 973     {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
 974     {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
 975     {STATE_TEXTURESTAGE(4, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 976     {STATE_TEXTURESTAGE(4, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 977     {STATE_TEXTURESTAGE(4, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 978     {STATE_TEXTURESTAGE(4, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 979     {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 980     {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 981     {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 982     {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 983     {STATE_TEXTURESTAGE(4, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 984     {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
 985     {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
 986     {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
 987     {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
 988     {STATE_TEXTURESTAGE(5, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 989     {STATE_TEXTURESTAGE(5, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 990     {STATE_TEXTURESTAGE(5, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 991     {STATE_TEXTURESTAGE(5, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 992     {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 993     {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 994     {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 995     {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 996     {STATE_TEXTURESTAGE(5, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
 997     {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
 998     {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
 999     {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
1000     {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
1001     {STATE_TEXTURESTAGE(6, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
1002     {STATE_TEXTURESTAGE(6, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
1003     {STATE_TEXTURESTAGE(6, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
1004     {STATE_TEXTURESTAGE(6, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
1005     {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
1006     {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
1007     {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
1008     {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
1009     {STATE_TEXTURESTAGE(6, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
1010     {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
1011     {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
1012     {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
1013     {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
1014     {STATE_TEXTURESTAGE(7, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
1015     {STATE_TEXTURESTAGE(7, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
1016     {STATE_TEXTURESTAGE(7, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
1017     {STATE_TEXTURESTAGE(7, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
1018     {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
1019     {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
1020     {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
1021     {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
1022     {STATE_TEXTURESTAGE(7, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }, WINED3D_GL_EXT_NONE             },
1023     {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
1024     {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
1025     {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
1026     {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }, WINED3D_GL_EXT_NONE             },
1027     { STATE_SAMPLER(0),                                   { STATE_SAMPLER(0),                                   sampler_texdim          }, WINED3D_GL_EXT_NONE             },
1028     { STATE_SAMPLER(1),                                   { STATE_SAMPLER(1),                                   sampler_texdim          }, WINED3D_GL_EXT_NONE             },
1029     { STATE_SAMPLER(2),                                   { STATE_SAMPLER(2),                                   sampler_texdim          }, WINED3D_GL_EXT_NONE             },
1030     { STATE_SAMPLER(3),                                   { STATE_SAMPLER(3),                                   sampler_texdim          }, WINED3D_GL_EXT_NONE             },
1031     { STATE_SAMPLER(4),                                   { STATE_SAMPLER(4),                                   sampler_texdim          }, WINED3D_GL_EXT_NONE             },
1032     { STATE_SAMPLER(5),                                   { STATE_SAMPLER(5),                                   sampler_texdim          }, WINED3D_GL_EXT_NONE             },
1033     { STATE_SAMPLER(6),                                   { STATE_SAMPLER(6),                                   sampler_texdim          }, WINED3D_GL_EXT_NONE             },
1034     { STATE_SAMPLER(7),                                   { STATE_SAMPLER(7),                                   sampler_texdim          }, WINED3D_GL_EXT_NONE             },
1035     {STATE_TEXTURESTAGE(0,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(0, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, WINED3D_GL_EXT_NONE             },
1036     {STATE_TEXTURESTAGE(1,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(1, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, WINED3D_GL_EXT_NONE             },
1037     {STATE_TEXTURESTAGE(2,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(2, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, WINED3D_GL_EXT_NONE             },
1038     {STATE_TEXTURESTAGE(3,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(3, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, WINED3D_GL_EXT_NONE             },
1039     {STATE_TEXTURESTAGE(4,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(4, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, WINED3D_GL_EXT_NONE             },
1040     {STATE_TEXTURESTAGE(5,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(5, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, WINED3D_GL_EXT_NONE             },
1041     {STATE_TEXTURESTAGE(6,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(6, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, WINED3D_GL_EXT_NONE             },
1042     {STATE_TEXTURESTAGE(7,WINED3DTSS_TEXTURETRANSFORMFLAGS),{STATE_TEXTURESTAGE(7, WINED3DTSS_TEXTURETRANSFORMFLAGS), textransform      }, WINED3D_GL_EXT_NONE             },
1043     {STATE_PIXELSHADER,                                   { STATE_PIXELSHADER,                                  atifs_apply_pixelshader }, WINED3D_GL_EXT_NONE             },
1044     {0 /* Terminate */,                                   { 0,                                                  0                       }, WINED3D_GL_EXT_NONE             },
1045 };
1046
1047 /* Context activation is done by the caller. */
1048 static void atifs_enable(IWineD3DDevice *iface, BOOL enable) {
1049     ENTER_GL();
1050     if(enable) {
1051         glEnable(GL_FRAGMENT_SHADER_ATI);
1052         checkGLcall("glEnable(GL_FRAGMENT_SHADER_ATI)");
1053     } else {
1054         glDisable(GL_FRAGMENT_SHADER_ATI);
1055         checkGLcall("glDisable(GL_FRAGMENT_SHADER_ATI)");
1056     }
1057     LEAVE_GL();
1058 }
1059
1060 static void atifs_get_caps(WINED3DDEVTYPE devtype, const struct wined3d_gl_info *gl_info, struct fragment_caps *caps)
1061 {
1062     caps->TextureOpCaps =  WINED3DTEXOPCAPS_DISABLE                     |
1063                            WINED3DTEXOPCAPS_SELECTARG1                  |
1064                            WINED3DTEXOPCAPS_SELECTARG2                  |
1065                            WINED3DTEXOPCAPS_MODULATE4X                  |
1066                            WINED3DTEXOPCAPS_MODULATE2X                  |
1067                            WINED3DTEXOPCAPS_MODULATE                    |
1068                            WINED3DTEXOPCAPS_ADDSIGNED2X                 |
1069                            WINED3DTEXOPCAPS_ADDSIGNED                   |
1070                            WINED3DTEXOPCAPS_ADD                         |
1071                            WINED3DTEXOPCAPS_SUBTRACT                    |
1072                            WINED3DTEXOPCAPS_ADDSMOOTH                   |
1073                            WINED3DTEXOPCAPS_BLENDCURRENTALPHA           |
1074                            WINED3DTEXOPCAPS_BLENDFACTORALPHA            |
1075                            WINED3DTEXOPCAPS_BLENDTEXTUREALPHA           |
1076                            WINED3DTEXOPCAPS_BLENDDIFFUSEALPHA           |
1077                            WINED3DTEXOPCAPS_BLENDTEXTUREALPHAPM         |
1078                            WINED3DTEXOPCAPS_MODULATEALPHA_ADDCOLOR      |
1079                            WINED3DTEXOPCAPS_MODULATECOLOR_ADDALPHA      |
1080                            WINED3DTEXOPCAPS_MODULATEINVCOLOR_ADDALPHA   |
1081                            WINED3DTEXOPCAPS_MODULATEINVALPHA_ADDCOLOR   |
1082                            WINED3DTEXOPCAPS_DOTPRODUCT3                 |
1083                            WINED3DTEXOPCAPS_MULTIPLYADD                 |
1084                            WINED3DTEXOPCAPS_LERP                        |
1085                            WINED3DTEXOPCAPS_BUMPENVMAP;
1086
1087     /* TODO: Implement WINED3DTEXOPCAPS_BUMPENVMAPLUMINANCE
1088     and WINED3DTEXOPCAPS_PREMODULATE */
1089
1090     /* GL_ATI_fragment_shader always supports 6 textures, which was the limit on r200 cards
1091      * which this extension is exclusively focused on(later cards have GL_ARB_fragment_program).
1092      * If the current card has more than 8 fixed function textures in OpenGL's regular fixed
1093      * function pipeline then the ATI_fragment_shader backend imposes a stricter limit. This
1094      * shouldn't be too hard since Nvidia cards have a limit of 4 textures with the default ffp
1095      * pipeline, and almost all games are happy with that. We can however support up to 8
1096      * texture stages because we have a 2nd pass limit of 8 instructions, and per stage we use
1097      * only 1 instruction.
1098      *
1099      * The proper fix for this is not to use GL_ATI_fragment_shader on cards newer than the
1100      * r200 series and use an ARB or GLSL shader instead
1101      */
1102     caps->MaxTextureBlendStages   = 8;
1103     caps->MaxSimultaneousTextures = 6;
1104
1105     caps->PrimitiveMiscCaps |= WINED3DPMISCCAPS_TSSARGTEMP;
1106 }
1107
1108 static HRESULT atifs_alloc(IWineD3DDevice *iface) {
1109     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *) iface;
1110     struct atifs_private_data *priv;
1111
1112     This->fragment_priv = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct atifs_private_data));
1113     if(!This->fragment_priv) {
1114         ERR("Out of memory\n");
1115         return E_OUTOFMEMORY;
1116     }
1117     priv = This->fragment_priv;
1118     if (wine_rb_init(&priv->fragment_shaders, &wined3d_ffp_frag_program_rb_functions) == -1)
1119     {
1120         ERR("Failed to initialize rbtree.\n");
1121         HeapFree(GetProcessHeap(), 0, This->fragment_priv);
1122         return E_OUTOFMEMORY;
1123     }
1124     return WINED3D_OK;
1125 }
1126
1127 #define GLINFO_LOCATION This->adapter->gl_info
1128 /* Context activation is done by the caller. */
1129 static void atifs_free_ffpshader(struct wine_rb_entry *entry, void *context)
1130 {
1131     IWineD3DDeviceImpl *This = context;
1132     struct atifs_ffp_desc *entry_ati = WINE_RB_ENTRY_VALUE(entry, struct atifs_ffp_desc, parent.entry);
1133
1134     ENTER_GL();
1135     GL_EXTCALL(glDeleteFragmentShaderATI(entry_ati->shader));
1136     checkGLcall("glDeleteFragmentShaderATI(entry->shader)");
1137     HeapFree(GetProcessHeap(), 0, entry_ati);
1138     LEAVE_GL();
1139 }
1140
1141 /* Context activation is done by the caller. */
1142 static void atifs_free(IWineD3DDevice *iface) {
1143     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *) iface;
1144     struct atifs_private_data *priv = This->fragment_priv;
1145
1146     wine_rb_destroy(&priv->fragment_shaders, atifs_free_ffpshader, This);
1147
1148     HeapFree(GetProcessHeap(), 0, priv);
1149     This->fragment_priv = NULL;
1150 }
1151 #undef GLINFO_LOCATION
1152
1153 static BOOL atifs_color_fixup_supported(struct color_fixup_desc fixup)
1154 {
1155     if (TRACE_ON(d3d_shader) && TRACE_ON(d3d))
1156     {
1157         TRACE("Checking support for fixup:\n");
1158         dump_color_fixup_desc(fixup);
1159     }
1160
1161     /* We only support sign fixup of the first two channels. */
1162     if (fixup.x_source == CHANNEL_SOURCE_X && fixup.y_source == CHANNEL_SOURCE_Y
1163             && fixup.z_source == CHANNEL_SOURCE_Z && fixup.w_source == CHANNEL_SOURCE_W
1164             && !fixup.z_sign_fixup && !fixup.w_sign_fixup)
1165     {
1166         TRACE("[OK]\n");
1167         return TRUE;
1168     }
1169
1170     TRACE("[FAILED]\n");
1171     return FALSE;
1172 }
1173
1174 const struct fragment_pipeline atifs_fragment_pipeline = {
1175     atifs_enable,
1176     atifs_get_caps,
1177     atifs_alloc,
1178     atifs_free,
1179     atifs_color_fixup_supported,
1180     atifs_fragmentstate_template,
1181     TRUE /* We can disable projected textures */
1182 };