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
  30 /* Some private defines, Constant associations, etc.
  31  * Env bump matrix and per stage constant should be independent,
  32  * a stage that bump maps can't read the per state constant
  33  */
  34 #define ATI_FFP_CONST_BUMPMAT(i) (GL_CON_0_ATI + i)
  35 #define ATI_FFP_CONST_CONSTANT0 GL_CON_0_ATI
  36 #define ATI_FFP_CONST_CONSTANT1 GL_CON_1_ATI
  37 #define ATI_FFP_CONST_CONSTANT2 GL_CON_2_ATI
  38 #define ATI_FFP_CONST_CONSTANT3 GL_CON_3_ATI
  39 #define ATI_FFP_CONST_CONSTANT4 GL_CON_4_ATI
  40 #define ATI_FFP_CONST_CONSTANT5 GL_CON_5_ATI
  41 #define ATI_FFP_CONST_TFACTOR   GL_CON_6_ATI
  42
  43 /* GL_ATI_fragment_shader specific fixed function pipeline description. "Inherits" from the common one */
  44 struct atifs_ffp_desc
  45 {
  46     struct ffp_desc parent;
  47     GLuint shader;
  48     unsigned int num_textures_used;
  49 };
  50
  51 struct atifs_private_data
  52 {
  53     struct shader_arb_priv parent;
  54     struct list fragment_shaders; /* A linked list 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 #define GLINFO_LOCATION (*gl_info)
 153 static GLuint register_for_arg(DWORD arg, WineD3D_GL_Info *gl_info, unsigned int stage, GLuint *mod, GLuint tmparg) {
 154     GLenum ret;
 155
 156     if(mod) *mod = GL_NONE;
 157     if(arg == 0xFFFFFFFF) return -1; /* This is the marker for unused registers */
 158
 159     switch(arg & WINED3DTA_SELECTMASK) {
 160         case WINED3DTA_DIFFUSE:
 161             ret = GL_PRIMARY_COLOR;
 162             break;
 163
 164         case WINED3DTA_CURRENT:
 165             /* Note that using GL_REG_0_ATI for the passed on register is safe because
 166              * texture0 is read at stage0, so in the worst case it is read in the
 167              * instruction writing to reg0. Afterwards texture0 is not used any longer.
 168              * If we're reading from current
 169              */
 170             if(stage == 0) {
 171                 ret = GL_PRIMARY_COLOR;
 172             } else {
 173                 ret = GL_REG_0_ATI;
 174             }
 175             break;
 176
 177         case WINED3DTA_TEXTURE:
 178             ret = GL_REG_0_ATI + stage;
 179             break;
 180
 181         case WINED3DTA_TFACTOR:
 182             ret = ATI_FFP_CONST_TFACTOR;
 183             break;
 184
 185         case WINED3DTA_SPECULAR:
 186             ret = GL_SECONDARY_INTERPOLATOR_ATI;
 187             break;
 188
 189         case WINED3DTA_TEMP:
 190             ret = tmparg;
 191             break;
 192
 193         case WINED3DTA_CONSTANT:
 194             FIXME("Unhandled source argument WINED3DTA_TEMP\n");
 195             ret = GL_CON_0_ATI;
 196             break;
 197
 198         default:
 199             FIXME("Unknown source argument %d\n", arg);
 200             ret = GL_ZERO;
 201     }
 202
 203     if(arg & WINED3DTA_COMPLEMENT) {
 204         if(mod) *mod |= GL_COMP_BIT_ATI;
 205     }
 206     if(arg & WINED3DTA_ALPHAREPLICATE) {
 207         FIXME("Unhandled read modifier WINED3DTA_ALPHAREPLICATE\n");
 208     }
 209     return ret;
 210 }
 211
 212 static GLuint find_tmpreg(struct texture_stage_op op[MAX_TEXTURES]) {
 213     int lowest_read = -1;
 214     int lowest_write = -1;
 215     int i;
 216     BOOL tex_used[MAX_TEXTURES];
 217
 218     memset(tex_used, 0, sizeof(tex_used));
 219     for(i = 0; i < MAX_TEXTURES; i++) {
 220         if(op[i].cop == WINED3DTOP_DISABLE) {
 221             break;
 222         }
 223
 224         if(lowest_read == -1 &&
 225           (op[i].carg1 == WINED3DTA_TEMP || op[i].carg2 == WINED3DTA_TEMP || op[i].carg0 == WINED3DTA_TEMP ||
 226            op[i].aarg1 == WINED3DTA_TEMP || op[i].aarg2 == WINED3DTA_TEMP || op[i].aarg0 == WINED3DTA_TEMP)) {
 227             lowest_read = i;
 228         }
 229
 230         if(lowest_write == -1 && op[i].dst == WINED3DTA_TEMP) {
 231             lowest_write = i;
 232         }
 233
 234         if(op[i].carg1 == WINED3DTA_TEXTURE || op[i].carg2 == WINED3DTA_TEXTURE || op[i].carg0 == WINED3DTA_TEXTURE ||
 235            op[i].aarg1 == WINED3DTA_TEXTURE || op[i].aarg2 == WINED3DTA_TEXTURE || op[i].aarg0 == WINED3DTA_TEXTURE) {
 236             tex_used[i] = TRUE;
 237         }
 238     }
 239
 240     /* Temp reg not read? We don't need it, return GL_NONE */
 241     if(lowest_read == -1) return GL_NONE;
 242
 243     if(lowest_write >= lowest_read) {
 244         FIXME("Temp register read before being written\n");
 245     }
 246
 247     if(lowest_write == -1) {
 248         /* This needs a test. Maybe we are supposed to return 0.0/0.0/0.0/0.0, or fail drawprim, or whatever */
 249         FIXME("Temp register read without being written\n");
 250         return GL_REG_1_ATI;
 251     } else if(lowest_write >= 1) {
 252         /* If we're writing to the temp reg at earliest in stage 1, we can use register 1 for the temp result.
 253          * there may be texture data stored in reg 1, but we do not need it any longer since stage 1 already
 254          * read it
 255          */
 256         return GL_REG_1_ATI;
 257     } else {
 258         /* Search for a free texture register. We have 6 registers available. GL_REG_0_ATI is already used
 259          * for the regular result
 260          */
 261         for(i = 1; i < 6; i++) {
 262             if(!tex_used[i]) {
 263                 return GL_REG_0_ATI + i;
 264             }
 265         }
 266         /* What to do here? Report it in ValidateDevice? */
 267         FIXME("Could not find a register for the temporary register\n");
 268         return 0;
 269     }
 270 }
 271
 272 static GLuint gen_ati_shader(struct texture_stage_op op[MAX_TEXTURES], WineD3D_GL_Info *gl_info) {
 273     GLuint ret = GL_EXTCALL(glGenFragmentShadersATI(1));
 274     unsigned int stage;
 275     GLuint arg0, arg1, arg2, extrarg;
 276     GLuint dstmod, argmod0, argmod1, argmod2, argmodextra;
 277     GLuint swizzle;
 278     GLuint tmparg = find_tmpreg(op);
 279     GLuint dstreg;
 280
 281     if(!ret) {
 282         ERR("Failed to generate a GL_ATI_fragment_shader shader id\n");
 283         return 0;
 284     }
 285     GL_EXTCALL(glBindFragmentShaderATI(ret));
 286     checkGLcall("GL_EXTCALL(glBindFragmentShaderATI(ret))");
 287
 288     TRACE("glBeginFragmentShaderATI()\n");
 289     GL_EXTCALL(glBeginFragmentShaderATI());
 290     checkGLcall("GL_EXTCALL(glBeginFragmentShaderATI())");
 291
 292     /* Pass 1: Generate sampling instructions for perturbation maps */
 293       for(stage = 0; stage < GL_LIMITS(textures); stage++) {
 294         if(op[stage].cop == WINED3DTOP_DISABLE) break;
 295         if(op[stage].cop != WINED3DTOP_BUMPENVMAP &&
 296            op[stage].cop != WINED3DTOP_BUMPENVMAPLUMINANCE) continue;
 297
 298         TRACE("glSampleMapATI(GL_REG_%d_ATI, GL_TEXTURE_%d_ARB, GL_SWIZZLE_STR_ATI)\n",
 299               stage, stage);
 300         GL_EXTCALL(glSampleMapATI(GL_REG_0_ATI + stage,
 301                    GL_TEXTURE0_ARB + stage,
 302                    GL_SWIZZLE_STR_ATI));
 303         TRACE("glPassTexCoordATI(GL_REG_%d_ATI, GL_TEXTURE_%d_ARB, GL_SWIZZLE_STR_ATI)\n",
 304               stage + 1, stage + 1);
 305         GL_EXTCALL(glPassTexCoordATI(GL_REG_0_ATI + stage + 1,
 306                    GL_TEXTURE0_ARB + stage + 1,
 307                    GL_SWIZZLE_STR_ATI));
 308
 309         /* We need GL_REG_5_ATI as a temporary register to swizzle the bump matrix. So we run into
 310          * issues if we're bump mapping on stage 4 or 5
 311          */
 312         if(stage >= 4) {
 313             FIXME("Bump mapping in stage %d\n", stage);
 314         }
 315     }
 316
 317     /* Pass 2: Generate perturbation calculations */
 318     for(stage = 0; stage < GL_LIMITS(textures); stage++) {
 319         if(op[stage].cop == WINED3DTOP_DISABLE) break;
 320         if(op[stage].cop != WINED3DTOP_BUMPENVMAP &&
 321            op[stage].cop != WINED3DTOP_BUMPENVMAPLUMINANCE) continue;
 322
 323         /* Nice thing, we get the color correction for free :-) */
 324         if(op[stage].color_correction == WINED3DFMT_V8U8) {
 325             argmodextra = GL_2X_BIT_ATI | GL_BIAS_BIT_ATI;
 326         } else {
 327             argmodextra = 0;
 328         }
 329
 330         TRACE("glColorFragmentOp3ATI(GL_DOT2_ADD_ATI, GL_REG_%d_ATI, GL_RED_BIT_ATI, GL_NONE, GL_REG_%d_ATI, GL_NONE, %s, ATI_FFP_CONST_BUMPMAT(%d), GL_NONE, GL_NONE, GL_REG_%d_ATI, GL_RED, GL_NONE)\n",
 331               stage + 1, stage, debug_argmod(argmodextra), stage, stage + 1);
 332         GL_EXTCALL(glColorFragmentOp3ATI(GL_DOT2_ADD_ATI, GL_REG_0_ATI + stage + 1, GL_RED_BIT_ATI, GL_NONE,
 333                                          GL_REG_0_ATI + stage, GL_NONE, argmodextra,
 334                                          ATI_FFP_CONST_BUMPMAT(stage), GL_NONE, GL_2X_BIT_ATI | GL_BIAS_BIT_ATI,
 335                                          GL_REG_0_ATI + stage + 1, GL_RED, GL_NONE));
 336
 337         /* FIXME: How can I make GL_DOT2_ADD_ATI read the factors from blue and alpha? It defaults to red and green,
 338          * 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
 339          * one register and two instructions in this pass for a simple swizzling operation.
 340          * For starters it might be good enough to merge the two movs into one, but even that isn't possible :-(
 341          *
 342          * NOTE: GL_BLUE | GL_ALPHA is not possible. It doesn't throw a compilation error, but an OR operation on the
 343          * constants doesn't make sense, considering their values.
 344          */
 345         TRACE("glColorFragmentOp1ATI(GL_MOV_ATI, GL_REG_5_ATI, GL_RED_BIT_ATI, GL_NONE, ATI_FFP_CONST_BUMPMAT(%d), GL_BLUE, GL_NONE)\n", stage);
 346         GL_EXTCALL(glColorFragmentOp1ATI(GL_MOV_ATI, GL_REG_5_ATI, GL_RED_BIT_ATI, GL_NONE,
 347                                          ATI_FFP_CONST_BUMPMAT(stage), GL_BLUE, GL_NONE));
 348         TRACE("glColorFragmentOp1ATI(GL_MOV_ATI, GL_REG_5_ATI, GL_GREEN_BIT_ATI, GL_NONE, ATI_FFP_CONST_BUMPMAT(%d), GL_ALPHA, GL_NONE)\n", stage);
 349         GL_EXTCALL(glColorFragmentOp1ATI(GL_MOV_ATI, GL_REG_5_ATI, GL_GREEN_BIT_ATI, GL_NONE,
 350                                         ATI_FFP_CONST_BUMPMAT(stage), GL_ALPHA, GL_NONE));
 351         TRACE("glColorFragmentOp3ATI(GL_DOT2_ADD_ATI, GL_REG_%d_ATI, GL_GREEN_BIT_ATI, GL_NONE, GL_REG_%d_ATI, GL_NONE, %s, GL_REG_5_ATI, GL_NONE, GL_NONE, GL_REG_%d_ATI, GL_GREEN, GL_NONE)\n",
 352               stage + 1, stage, debug_argmod(argmodextra), stage + 1);
 353         GL_EXTCALL(glColorFragmentOp3ATI(GL_DOT2_ADD_ATI, GL_REG_0_ATI + stage + 1, GL_GREEN_BIT_ATI, GL_NONE,
 354                                          GL_REG_0_ATI + stage, GL_NONE, argmodextra,
 355                                          GL_REG_5_ATI, GL_NONE, GL_2X_BIT_ATI | GL_BIAS_BIT_ATI,
 356                                          GL_REG_0_ATI + stage + 1, GL_GREEN, GL_NONE));
 357     }
 358
 359     /* Pass 3: Generate sampling instructions for regular textures */
 360     for(stage = 0; stage < GL_LIMITS(textures); stage++) {
 361         if(op[stage].cop == WINED3DTOP_DISABLE) {
 362             break;
 363         }
 364
 365         if(op[stage].projected == proj_none) {
 366             swizzle = GL_SWIZZLE_STR_ATI;
 367         } else if(op[stage].projected == proj_count3) {
 368             /* TODO: D3DTTFF_COUNT3 | D3DTTFF_PROJECTED would be GL_SWIZZLE_STR_DR_ATI.
 369              * However, the FFP vertex processing texture transform matrix handler does
 370              * some transformations in the texture matrix which makes the 3rd coordinate
 371              * arrive in Q, not R in that case. This is needed for opengl fixed function
 372              * fragment processing which always divides by Q. In this backend we can
 373              * handle that properly and be compatible with vertex shader output and avoid
 374              * side effects of the texture matrix games
 375              */
 376             swizzle = GL_SWIZZLE_STQ_DQ_ATI;
 377         } else {
 378             swizzle = GL_SWIZZLE_STQ_DQ_ATI;
 379         }
 380
 381         if((op[stage].carg0 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 382            (op[stage].carg1 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 383            (op[stage].carg2 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 384            (op[stage].aarg0 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 385            (op[stage].aarg1 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 386            (op[stage].aarg2 & WINED3DTA_SELECTMASK) == WINED3DTA_TEXTURE ||
 387             op[stage].cop == WINED3DTOP_BLENDTEXTUREALPHA) {
 388
 389             if(stage > 0 &&
 390                (op[stage - 1].cop == WINED3DTOP_BUMPENVMAP ||
 391                 op[stage - 1].cop == WINED3DTOP_BUMPENVMAPLUMINANCE)) {
 392                 TRACE("glSampleMapATI(GL_REG_%d_ATI, GL_REG_%d_ATI, GL_SWIZZLE_STR_ATI)\n",
 393                       stage, stage);
 394                 GL_EXTCALL(glSampleMapATI(GL_REG_0_ATI + stage,
 395                            GL_REG_0_ATI + stage,
 396                            GL_SWIZZLE_STR_ATI));
 397             } else {
 398                 TRACE("glSampleMapATI(GL_REG_%d_ATI, GL_TEXTURE_%d_ARB, %s)\n",
 399                     stage, stage, debug_swizzle(swizzle));
 400                 GL_EXTCALL(glSampleMapATI(GL_REG_0_ATI + stage,
 401                                         GL_TEXTURE0_ARB + stage,
 402                                         swizzle));
 403             }
 404         }
 405     }
 406
 407     /* Pass 4: Generate the arithmetic instructions */
 408     for(stage = 0; stage < MAX_TEXTURES; stage++) {
 409         if(op[stage].cop == WINED3DTOP_DISABLE) {
 410             if(stage == 0) {
 411                 /* Handle complete texture disabling gracefully */
 412                 TRACE("glColorFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE, GL_NONE, GL_PRIMARY_COLOR, GL_NONE, GL_NONE)\n");
 413                 GL_EXTCALL(glColorFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE, GL_NONE,
 414                                                  GL_PRIMARY_COLOR, GL_NONE, GL_NONE));
 415                 TRACE("glAlphaFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE, GL_PRIMARY_COLOR, GL_NONE, GL_NONE)\n");
 416                 GL_EXTCALL(glAlphaFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE,
 417                                                  GL_PRIMARY_COLOR, GL_NONE, GL_NONE));
 418             }
 419             break;
 420         }
 421
 422         if(op[stage].dst == WINED3DTA_TEMP) {
 423             /* If we're writing to D3DTA_TEMP, but never reading from it we don't have to write there in the first place.
 424              * skip the entire stage, this saves some GPU time
 425              */
 426             if(tmparg == GL_NONE) continue;
 427
 428             dstreg = tmparg;
 429         } else {
 430             dstreg = GL_REG_0_ATI;
 431         }
 432
 433         arg0 = register_for_arg(op[stage].carg0, gl_info, stage, &argmod0, tmparg);
 434         arg1 = register_for_arg(op[stage].carg1, gl_info, stage, &argmod1, tmparg);
 435         arg2 = register_for_arg(op[stage].carg2, gl_info, stage, &argmod2, tmparg);
 436         dstmod = GL_NONE;
 437         argmodextra = GL_NONE;
 438         extrarg = GL_NONE;
 439
 440         switch(op[stage].cop) {
 441             case WINED3DTOP_SELECTARG2:
 442                 arg1 = arg2;
 443                 argmod1 = argmod2;
 444             case WINED3DTOP_SELECTARG1:
 445                 TRACE("glColorFragmentOp1ATI(GL_MOV_ATI, %s, GL_NONE, GL_NONE, %s, GL_NONE, %s)\n",
 446                       debug_register(dstreg), debug_register(arg1), debug_argmod(argmod1));
 447                 GL_EXTCALL(glColorFragmentOp1ATI(GL_MOV_ATI, dstreg, GL_NONE, GL_NONE,
 448                                                  arg1, GL_NONE, argmod1));
 449                 break;
 450
 451             case WINED3DTOP_MODULATE4X:
 452                 if(dstmod == GL_NONE) dstmod = GL_4X_BIT_ATI;
 453             case WINED3DTOP_MODULATE2X:
 454                 if(dstmod == GL_NONE) dstmod = GL_2X_BIT_ATI;
 455             case WINED3DTOP_MODULATE:
 456                 TRACE("glColorFragmentOp2ATI(GL_MUL_ATI, %s, GL_NONE, %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 457                       debug_register(dstreg), debug_dstmod(dstmod),
 458                       debug_register(arg1), debug_argmod(argmod1),
 459                       debug_register(arg2), debug_argmod(argmod2));
 460                 GL_EXTCALL(glColorFragmentOp2ATI(GL_MUL_ATI, dstreg, GL_NONE, dstmod,
 461                                                  arg1, GL_NONE, argmod1,
 462                                                  arg2, GL_NONE, argmod2));
 463                 break;
 464
 465             case WINED3DTOP_ADDSIGNED2X:
 466                 dstmod = GL_2X_BIT_ATI;
 467             case WINED3DTOP_ADDSIGNED:
 468                 argmodextra = GL_BIAS_BIT_ATI;
 469             case WINED3DTOP_ADD:
 470                 TRACE("glColorFragmentOp2ATI(GL_ADD_ATI, %s, GL_NONE, %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 471                       debug_register(dstreg), debug_dstmod(dstmod),
 472                       debug_register(arg1), debug_argmod(argmod1),
 473                       debug_register(arg2), debug_argmod(argmodextra | argmod2));
 474                 GL_EXTCALL(glColorFragmentOp2ATI(GL_ADD_ATI, GL_REG_0_ATI, GL_NONE, dstmod,
 475                                                  arg1, GL_NONE, argmod1,
 476                                                  arg2, GL_NONE, argmodextra | argmod2));
 477                 break;
 478
 479             case WINED3DTOP_SUBTRACT:
 480                 TRACE("glColorFragmentOp2ATI(GL_SUB_ATI, %s, GL_NONE, %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 481                       debug_register(dstreg), debug_dstmod(dstmod),
 482                       debug_register(arg1), debug_argmod(argmod1),
 483                       debug_register(arg2), debug_argmod(argmod2));
 484                 GL_EXTCALL(glColorFragmentOp2ATI(GL_SUB_ATI, dstreg, GL_NONE, dstmod,
 485                                                  arg1, GL_NONE, argmod1,
 486                                                  arg2, GL_NONE, argmod2));
 487                 break;
 488
 489             case WINED3DTOP_ADDSMOOTH:
 490                 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
 491                 TRACE("glColorFragmentOp3ATI(GL_MAD_ATI, %s, GL_NONE, GL_NONE, %s, GL_NONE, %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 492                       debug_register(dstreg),
 493                       debug_register(arg2), debug_argmod(argmod2),
 494                       debug_register(arg1), debug_argmod(argmodextra),
 495                       debug_register(arg1), debug_argmod(argmod1));
 496                 /* Dst = arg1 + * arg2(1 -arg 1)
 497                  *     = arg2 * (1 - arg1) + arg1
 498                  */
 499                 GL_EXTCALL(glColorFragmentOp3ATI(GL_MAD_ATI, dstreg, GL_NONE, GL_NONE,
 500                                                  arg2, GL_NONE, argmod2,
 501                                                  arg1, GL_NONE, argmodextra,
 502                                                  arg1, GL_NONE, argmod1));
 503                 break;
 504
 505             case WINED3DTOP_BLENDCURRENTALPHA:
 506                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_CURRENT, gl_info, stage, NULL, -1);
 507             case WINED3DTOP_BLENDFACTORALPHA:
 508                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TFACTOR, gl_info, stage, NULL, -1);
 509             case WINED3DTOP_BLENDTEXTUREALPHA:
 510                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, -1);
 511             case WINED3DTOP_BLENDDIFFUSEALPHA:
 512                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_DIFFUSE, gl_info, stage, NULL, -1);
 513                 TRACE("glColorFragmentOp3ATI(GL_LERP_ATI, %s, GL_NONE, GL_NONE, %s, GL_ALPHA, GL_NONE, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 514                       debug_register(dstreg),
 515                       debug_register(extrarg),
 516                       debug_register(arg1), debug_argmod(argmod1),
 517                       debug_register(arg2), debug_argmod(argmod2));
 518                 GL_EXTCALL(glColorFragmentOp3ATI(GL_LERP_ATI, dstreg, GL_NONE, GL_NONE,
 519                                                  extrarg, GL_ALPHA, GL_NONE,
 520                                                  arg1, GL_NONE, argmod1,
 521                                                  arg2, GL_NONE, argmod2));
 522                 break;
 523
 524             case WINED3DTOP_BLENDTEXTUREALPHAPM:
 525                 arg0 = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, -1);
 526                 TRACE("glColorFragmentOp3ATI(GL_MAD_ATI, %s, GL_NONE, GL_NONE, %s, GL_NONE, %s, %s, GL_ALPHA, GL_COMP_BIT_ATI, %s, GL_NONE, %s)\n",
 527                       debug_register(dstreg),
 528                       debug_register(arg2), debug_argmod(argmod2),
 529                       debug_register(arg0),
 530                       debug_register(arg1), debug_argmod(argmod1));
 531                 GL_EXTCALL(glColorFragmentOp3ATI(GL_MAD_ATI, dstreg, GL_NONE, GL_NONE,
 532                                                  arg2, GL_NONE,  argmod2,
 533                                                  arg0, GL_ALPHA, GL_COMP_BIT_ATI,
 534                                                  arg1, GL_NONE,  argmod1));
 535                 break;
 536
 537             /* D3DTOP_PREMODULATE ???? */
 538
 539             case WINED3DTOP_MODULATEINVALPHA_ADDCOLOR:
 540                 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
 541             case WINED3DTOP_MODULATEALPHA_ADDCOLOR:
 542                 if(!argmodextra) argmodextra = argmod1;
 543                 TRACE("glColorFragmentOp3ATI(GL_MAD_ATI, %s, GL_NONE, GL_NONE, %s, GL_NONE, %s, %s, GL_ALPHA, %s, %s, GL_NONE, %s)\n",
 544                       debug_register(dstreg),
 545                       debug_register(arg2), debug_argmod(argmod2),
 546                       debug_register(arg1), debug_argmod(argmodextra), debug_register(arg1), debug_argmod(arg1));
 547                 GL_EXTCALL(glColorFragmentOp3ATI(GL_MAD_ATI, dstreg, GL_NONE, GL_NONE,
 548                                                  arg2, GL_NONE,  argmod2,
 549                                                  arg1, GL_ALPHA, argmodextra,
 550                                                  arg1, GL_NONE,  argmod1));
 551                 break;
 552
 553             case WINED3DTOP_MODULATEINVCOLOR_ADDALPHA:
 554                 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
 555             case WINED3DTOP_MODULATECOLOR_ADDALPHA:
 556                 if(!argmodextra) argmodextra = argmod1;
 557                 TRACE("glColorFragmentOp3ATI(GL_MAD_ATI, %s, GL_NONE, GL_NONE, %s, GL_NONE, %s, %s, GL_NONE, %s, %s, GL_ALPHA, %s)\n",
 558                       debug_register(dstreg),
 559                       debug_register(arg2), debug_argmod(argmod2),
 560                       debug_register(arg1), debug_argmod(argmodextra),
 561                       debug_register(arg1), debug_argmod(argmod1));
 562                 GL_EXTCALL(glColorFragmentOp3ATI(GL_MAD_ATI, dstreg, GL_NONE, GL_NONE,
 563                                                  arg2, GL_NONE,  argmod2,
 564                                                  arg1, GL_NONE,  argmodextra,
 565                                                  arg1, GL_ALPHA, argmod1));
 566                 break;
 567
 568             case WINED3DTOP_DOTPRODUCT3:
 569                 TRACE("glColorFragmentOp2ATI(GL_DOT3_ATI, %s, GL_NONE, GL_4X_BIT_ATI, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 570                       debug_register(dstreg),
 571                       debug_register(arg1), debug_argmod(argmod1 | GL_BIAS_BIT_ATI),
 572                       debug_register(arg2), debug_argmod(argmod2 | GL_BIAS_BIT_ATI));
 573                 GL_EXTCALL(glColorFragmentOp2ATI(GL_DOT3_ATI, dstreg, GL_NONE, GL_4X_BIT_ATI,
 574                                                  arg1, GL_NONE, argmod1 | GL_BIAS_BIT_ATI,
 575                                                  arg2, GL_NONE, argmod2 | GL_BIAS_BIT_ATI));
 576                 break;
 577
 578             case WINED3DTOP_MULTIPLYADD:
 579                 TRACE("glColorFragmentOp3ATI(GL_MAD_ATI, %s, GL_NONE, GL_NONE, %s, GL_NONE, %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 580                       debug_register(dstreg),
 581                       debug_register(arg0), debug_argmod(argmod0),
 582                       debug_register(arg2), debug_argmod(argmod2),
 583                       debug_register(arg1), debug_argmod(argmod1));
 584                 GL_EXTCALL(glColorFragmentOp3ATI(GL_MAD_ATI, dstreg, GL_NONE, GL_NONE,
 585                                                  arg0, GL_NONE, argmod0,
 586                                                  arg2, GL_NONE, argmod2,
 587                                                  arg1, GL_NONE, argmod1));
 588                 break;
 589
 590             case WINED3DTOP_LERP:
 591                 TRACE("glColorFragmentOp3ATI(GL_LERP_ATI, %s, GL_NONE, GL_NONE, %s, GL_NONE, %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 592                       debug_register(dstreg),
 593                       debug_register(arg1), debug_argmod(argmod1),
 594                       debug_register(arg2), debug_argmod(argmod2),
 595                       debug_register(arg0), debug_argmod(argmod0));
 596                 GL_EXTCALL(glColorFragmentOp3ATI(GL_LERP_ATI, dstreg, GL_NONE, GL_NONE,
 597                                                  arg1, GL_NONE, argmod1,
 598                                                  arg2, GL_NONE, argmod2,
 599                                                  arg0, GL_NONE, argmod0));
 600                 break;
 601
 602             case WINED3DTOP_BUMPENVMAP:
 603             case WINED3DTOP_BUMPENVMAPLUMINANCE:
 604                 /* Those are handled in the first pass of the shader(generation pass 1 and 2) already */
 605                 break;
 606
 607             default: FIXME("Unhandled color operation %d on stage %d\n", op[stage].cop, stage);
 608         }
 609
 610         arg0 = register_for_arg(op[stage].aarg0, gl_info, stage, &argmod0, tmparg);
 611         arg1 = register_for_arg(op[stage].aarg1, gl_info, stage, &argmod1, tmparg);
 612         arg2 = register_for_arg(op[stage].aarg2, gl_info, stage, &argmod2, tmparg);
 613         dstmod = GL_NONE;
 614         argmodextra = GL_NONE;
 615         extrarg = GL_NONE;
 616
 617         switch(op[stage].aop) {
 618             case WINED3DTOP_DISABLE:
 619                 /* Get the primary color to the output if on stage 0, otherwise leave register 0 untouched */
 620                 if(stage == 0) {
 621                     TRACE("glAlphaFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE, GL_PRIMARY_COLOR, GL_NONE, GL_NONE)\n");
 622                     GL_EXTCALL(glAlphaFragmentOp1ATI(GL_MOV_ATI, GL_REG_0_ATI, GL_NONE,
 623                                GL_PRIMARY_COLOR, GL_NONE, GL_NONE));
 624                 }
 625                 break;
 626
 627             case WINED3DTOP_SELECTARG2:
 628                 arg1 = arg2;
 629                 argmod1 = argmod2;
 630             case WINED3DTOP_SELECTARG1:
 631                 TRACE("glAlphaFragmentOp1ATI(GL_MOV_ATI, %s,          GL_NONE, %s, GL_NONE, %s)\n",
 632                       debug_register(dstreg),
 633                       debug_register(arg1), debug_argmod(argmod1));
 634                 GL_EXTCALL(glAlphaFragmentOp1ATI(GL_MOV_ATI, dstreg, GL_NONE,
 635                                                  arg1, GL_NONE, argmod1));
 636                 break;
 637
 638             case WINED3DTOP_MODULATE4X:
 639                 if(dstmod == GL_NONE) dstmod = GL_4X_BIT_ATI;
 640             case WINED3DTOP_MODULATE2X:
 641                 if(dstmod == GL_NONE) dstmod = GL_2X_BIT_ATI;
 642             case WINED3DTOP_MODULATE:
 643                 TRACE("glAlphaFragmentOp2ATI(GL_MUL_ATI, %s,          %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 644                       debug_register(dstreg), debug_dstmod(dstmod),
 645                       debug_register(arg1), debug_argmod(argmod1),
 646                       debug_register(arg2), debug_argmod(argmod2));
 647                 GL_EXTCALL(glAlphaFragmentOp2ATI(GL_MUL_ATI, dstreg, dstmod,
 648                                                  arg1, GL_NONE, argmod1,
 649                                                  arg2, GL_NONE, argmod2));
 650                 break;
 651
 652             case WINED3DTOP_ADDSIGNED2X:
 653                 dstmod = GL_2X_BIT_ATI;
 654             case WINED3DTOP_ADDSIGNED:
 655                 argmodextra = GL_BIAS_BIT_ATI;
 656             case WINED3DTOP_ADD:
 657                 TRACE("glAlphaFragmentOp2ATI(GL_ADD_ATI, %s,          %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 658                       debug_register(dstreg), debug_dstmod(dstmod),
 659                       debug_register(arg1), debug_argmod(argmod1),
 660                       debug_register(arg2), debug_argmod(argmodextra | argmod2));
 661                 GL_EXTCALL(glAlphaFragmentOp2ATI(GL_ADD_ATI, dstreg, dstmod,
 662                                                  arg1, GL_NONE, argmod1,
 663                                                  arg2, GL_NONE, argmodextra | argmod2));
 664                 break;
 665
 666             case WINED3DTOP_SUBTRACT:
 667                 TRACE("glAlphaFragmentOp2ATI(GL_SUB_ATI, %s, GL_NONE, %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 668                       debug_register(dstreg), debug_dstmod(dstmod),
 669                       debug_register(arg1), debug_argmod(argmod1),
 670                       debug_register(arg2), debug_argmod(argmod2));
 671                 GL_EXTCALL(glAlphaFragmentOp2ATI(GL_SUB_ATI, dstreg, dstmod,
 672                                                  arg1, GL_NONE, argmod1,
 673                                                  arg2, GL_NONE, argmod2));
 674                 break;
 675
 676             case WINED3DTOP_ADDSMOOTH:
 677                 argmodextra = argmod1 & GL_COMP_BIT_ATI ? argmod1 & ~GL_COMP_BIT_ATI : argmod1 | GL_COMP_BIT_ATI;
 678                 TRACE("glAlphaFragmentOp3ATI(GL_MAD_ATI, %s,          GL_NONE, %s, GL_NONE, %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 679                       debug_register(dstreg),
 680                       debug_register(arg2), debug_argmod(argmod2),
 681                       debug_register(arg1), debug_argmod(argmodextra),
 682                       debug_register(arg1), debug_argmod(argmod1));
 683                 /* Dst = arg1 + * arg2(1 -arg 1)
 684                  *     = arg2 * (1 - arg1) + arg1
 685                  */
 686                 GL_EXTCALL(glAlphaFragmentOp3ATI(GL_MAD_ATI, dstreg, GL_NONE,
 687                                                  arg2, GL_NONE, argmod2,
 688                                                  arg1, GL_NONE, argmodextra,
 689                                                  arg1, GL_NONE, argmod1));
 690                 break;
 691
 692             case WINED3DTOP_BLENDCURRENTALPHA:
 693                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_CURRENT, gl_info, stage, NULL, -1);
 694             case WINED3DTOP_BLENDFACTORALPHA:
 695                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TFACTOR, gl_info, stage, NULL, -1);
 696             case WINED3DTOP_BLENDTEXTUREALPHA:
 697                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, -1);
 698             case WINED3DTOP_BLENDDIFFUSEALPHA:
 699                 if(extrarg == GL_NONE) extrarg = register_for_arg(WINED3DTA_DIFFUSE, gl_info, stage, NULL, -1);
 700                 TRACE("glAlphaFragmentOp3ATI(GL_LERP_ATI, %s,          GL_NONE, %s, GL_ALPHA, GL_NONE, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 701                       debug_register(dstreg),
 702                       debug_register(extrarg),
 703                       debug_register(arg1), debug_argmod(argmod1),
 704                       debug_register(arg2), debug_argmod(argmod2));
 705                 GL_EXTCALL(glAlphaFragmentOp3ATI(GL_LERP_ATI, dstreg, GL_NONE,
 706                                                  extrarg, GL_ALPHA, GL_NONE,
 707                                                  arg1, GL_NONE, argmod1,
 708                                                  arg2, GL_NONE, argmod2));
 709                 break;
 710
 711             case WINED3DTOP_BLENDTEXTUREALPHAPM:
 712                 arg0 = register_for_arg(WINED3DTA_TEXTURE, gl_info, stage, NULL, -1);
 713                 TRACE("glAlphaFragmentOp3ATI(GL_MAD_ATI, %s,          GL_NONE, %s, GL_NONE, %s, %s, GL_ALPHA, GL_COMP_BIT_ATI, %s, GL_NONE, %s)\n",
 714                       debug_register(dstreg),
 715                       debug_register(arg2), debug_argmod(argmod2),
 716                       debug_register(arg0),
 717                       debug_register(arg1), debug_argmod(argmod1));
 718                 GL_EXTCALL(glAlphaFragmentOp3ATI(GL_MAD_ATI, dstreg, GL_NONE,
 719                                                  arg2, GL_NONE,  argmod2,
 720                                                  arg0, GL_ALPHA, GL_COMP_BIT_ATI,
 721                                                  arg1, GL_NONE,  argmod1));
 722                 break;
 723
 724             /* D3DTOP_PREMODULATE ???? */
 725
 726             case WINED3DTOP_DOTPRODUCT3:
 727                 TRACE("glAlphaFragmentOp2ATI(GL_DOT3_ATI, %s, GL_NONE, GL_4X_BIT_ATI, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 728                       debug_register(dstreg),
 729                       debug_register(arg1), debug_argmod(argmod1 | GL_BIAS_BIT_ATI),
 730                       debug_register(arg2), debug_argmod(argmod2 | GL_BIAS_BIT_ATI));
 731                 GL_EXTCALL(glAlphaFragmentOp2ATI(GL_DOT3_ATI, dstreg, GL_4X_BIT_ATI,
 732                                                  arg1, GL_NONE, argmod1 | GL_BIAS_BIT_ATI,
 733                                                  arg2, GL_NONE, argmod2 | GL_BIAS_BIT_ATI));
 734                 break;
 735
 736             case WINED3DTOP_MULTIPLYADD:
 737                 TRACE("glAlphaFragmentOp3ATI(GL_MAD_ATI, %s,          GL_NONE, %s, GL_NONE, %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 738                       debug_register(dstreg),
 739                       debug_register(arg0), debug_argmod(argmod0),
 740                       debug_register(arg2), debug_argmod(argmod2),
 741                       debug_register(arg1), debug_argmod(argmod1));
 742                 GL_EXTCALL(glAlphaFragmentOp3ATI(GL_MAD_ATI, dstreg,          GL_NONE,
 743                            arg0, GL_NONE, argmod0,
 744                            arg2, GL_NONE, argmod2,
 745                            arg1, GL_NONE, argmod1));
 746                 break;
 747
 748             case WINED3DTOP_LERP:
 749                 TRACE("glAlphaFragmentOp3ATI(GL_LERP_ATI, %s,          GL_NONE, %s, GL_NONE, %s, %s, GL_NONE, %s, %s, GL_NONE, %s)\n",
 750                       debug_register(dstreg),
 751                       debug_register(arg1), debug_argmod(argmod1),
 752                       debug_register(arg2), debug_argmod(argmod2),
 753                       debug_register(arg0), debug_argmod(argmod0));
 754                 GL_EXTCALL(glAlphaFragmentOp3ATI(GL_LERP_ATI, dstreg, GL_NONE,
 755                                                  arg1, GL_NONE, argmod1,
 756                                                  arg2, GL_NONE, argmod2,
 757                                                  arg0, GL_NONE, argmod0));
 758                 break;
 759
 760             case WINED3DTOP_MODULATEINVALPHA_ADDCOLOR:
 761             case WINED3DTOP_MODULATEALPHA_ADDCOLOR:
 762             case WINED3DTOP_MODULATECOLOR_ADDALPHA:
 763             case WINED3DTOP_MODULATEINVCOLOR_ADDALPHA:
 764             case WINED3DTOP_BUMPENVMAP:
 765             case WINED3DTOP_BUMPENVMAPLUMINANCE:
 766                 ERR("Application uses an invalid alpha operation\n");
 767                 break;
 768
 769             default: FIXME("Unhandled alpha operation %d on stage %d\n", op[stage].aop, stage);
 770         }
 771     }
 772
 773     TRACE("glEndFragmentShaderATI()\n");
 774     GL_EXTCALL(glEndFragmentShaderATI());
 775     checkGLcall("GL_EXTCALL(glEndFragmentShaderATI())");
 776     return ret;
 777 }
 778 #undef GLINFO_LOCATION
 779
 780 #define GLINFO_LOCATION stateblock->wineD3DDevice->adapter->gl_info
 781 static void set_tex_op_atifs(DWORD state, IWineD3DStateBlockImpl *stateblock, WineD3DContext *context) {
 782     IWineD3DDeviceImpl          *This = stateblock->wineD3DDevice;
 783     struct atifs_ffp_desc       *desc;
 784     struct texture_stage_op     op[MAX_TEXTURES];
 785     struct atifs_private_data   *priv = (struct atifs_private_data *) This->shader_priv;
 786     DWORD mapped_stage;
 787     unsigned int i;
 788
 789     gen_ffp_op(stateblock, op);
 790     desc = (struct atifs_ffp_desc *) find_ffp_shader(&priv->fragment_shaders, op);
 791     if(!desc) {
 792         desc = HeapAlloc(GetProcessHeap(), 0, sizeof(*desc));
 793         if(!desc) {
 794             ERR("Out of memory\n");
 795             return;
 796         }
 797         desc->num_textures_used = 0;
 798         for(i = 0; i < GL_LIMITS(texture_stages); i++) {
 799             if(op[i].cop == WINED3DTOP_DISABLE) break;
 800             desc->num_textures_used = i;
 801         }
 802
 803         memcpy(desc->parent.op, op, sizeof(op));
 804         desc->shader = gen_ati_shader(op, &GLINFO_LOCATION);
 805         add_ffp_shader(&priv->fragment_shaders, &desc->parent);
 806         TRACE("Allocated fixed function replacement shader descriptor %p\n", desc);
 807     }
 808
 809     /* GL_ATI_fragment_shader depends on the GL_TEXTURE_xD enable settings. Update the texture stages
 810      * used by this shader
 811      */
 812     for(i = 0; i < desc->num_textures_used; i++) {
 813         mapped_stage = This->texUnitMap[i];
 814         if(mapped_stage != -1) {
 815             GL_EXTCALL(glActiveTextureARB(GL_TEXTURE0_ARB + mapped_stage));
 816             checkGLcall("glActiveTextureARB");
 817             texture_activate_dimensions(i, stateblock, context);
 818         }
 819     }
 820
 821     GL_EXTCALL(glBindFragmentShaderATI(desc->shader));
 822 }
 823
 824 static void state_texfactor_atifs(DWORD state, IWineD3DStateBlockImpl *stateblock, WineD3DContext *context) {
 825     float col[4];
 826     D3DCOLORTOGLFLOAT4(stateblock->renderState[WINED3DRS_TEXTUREFACTOR], col);
 827
 828     GL_EXTCALL(glSetFragmentShaderConstantATI(ATI_FFP_CONST_TFACTOR, col));
 829     checkGLcall("glSetFragmentShaderConstantATI(ATI_FFP_CONST_TFACTOR, col)");
 830 }
 831
 832 static void set_bumpmat(DWORD state, IWineD3DStateBlockImpl *stateblock, WineD3DContext *context) {
 833     DWORD stage = (state - STATE_TEXTURESTAGE(0, 0)) / WINED3D_HIGHEST_TEXTURE_STATE;
 834     float mat[2][2];
 835
 836     mat[0][0] = *((float *) &stateblock->textureState[stage][WINED3DTSS_BUMPENVMAT00]);
 837     mat[1][0] = *((float *) &stateblock->textureState[stage][WINED3DTSS_BUMPENVMAT01]);
 838     mat[0][1] = *((float *) &stateblock->textureState[stage][WINED3DTSS_BUMPENVMAT10]);
 839     mat[1][1] = *((float *) &stateblock->textureState[stage][WINED3DTSS_BUMPENVMAT11]);
 840     /* GL_ATI_fragment_shader allows only constants from 0.0 to 1.0, but the bumpmat
 841      * constants can be in any range. While they should stay between [-1.0 and 1.0] because
 842      * Shader Model 1.x pixel shaders are clamped to that range negative values are used occasionally,
 843      * for example by our d3d9 test. So to get negative values scale -1;1 to 0;1 and undo that in the
 844      * shader(it is free). This might potentially reduce precision. However, if the hardware does
 845      * support proper floats it shouldn't, and if it doesn't we can't get anything better anyway
 846      */
 847     mat[0][0] = (mat[0][0] + 1.0) * 0.5;
 848     mat[1][0] = (mat[1][0] + 1.0) * 0.5;
 849     mat[0][1] = (mat[0][1] + 1.0) * 0.5;
 850     mat[1][1] = (mat[1][1] + 1.0) * 0.5;
 851     GL_EXTCALL(glSetFragmentShaderConstantATI(ATI_FFP_CONST_BUMPMAT(stage), (float *) mat));
 852     checkGLcall("glSetFragmentShaderConstantATI(ATI_FFP_CONST_BUMPMAT(stage), mat)");
 853 }
 854 #undef GLINFO_LOCATION
 855
 856 const struct StateEntryTemplate atifs_fragmentstate_template[] = {
 857     {STATE_RENDER(WINED3DRS_TEXTUREFACTOR),               { STATE_RENDER(WINED3DRS_TEXTUREFACTOR),              state_texfactor_atifs   }},
 858     {STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 859     {STATE_TEXTURESTAGE(0, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 860     {STATE_TEXTURESTAGE(0, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 861     {STATE_TEXTURESTAGE(0, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 862     {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 863     {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 864     {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 865     {STATE_TEXTURESTAGE(0, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 866     {STATE_TEXTURESTAGE(0, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 867     {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 868     {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 869     {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 870     {STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(0, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 871     {STATE_TEXTURESTAGE(1, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 872     {STATE_TEXTURESTAGE(1, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 873     {STATE_TEXTURESTAGE(1, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 874     {STATE_TEXTURESTAGE(1, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 875     {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 876     {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 877     {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 878     {STATE_TEXTURESTAGE(1, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 879     {STATE_TEXTURESTAGE(1, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 880     {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 881     {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 882     {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 883     {STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(1, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 884     {STATE_TEXTURESTAGE(2, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 885     {STATE_TEXTURESTAGE(2, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 886     {STATE_TEXTURESTAGE(2, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 887     {STATE_TEXTURESTAGE(2, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 888     {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 889     {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 890     {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 891     {STATE_TEXTURESTAGE(2, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 892     {STATE_TEXTURESTAGE(2, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 893     {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 894     {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 895     {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 896     {STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(2, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 897     {STATE_TEXTURESTAGE(3, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 898     {STATE_TEXTURESTAGE(3, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 899     {STATE_TEXTURESTAGE(3, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 900     {STATE_TEXTURESTAGE(3, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 901     {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 902     {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 903     {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 904     {STATE_TEXTURESTAGE(3, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 905     {STATE_TEXTURESTAGE(3, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 906     {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 907     {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 908     {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 909     {STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(3, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 910     {STATE_TEXTURESTAGE(4, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 911     {STATE_TEXTURESTAGE(4, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 912     {STATE_TEXTURESTAGE(4, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 913     {STATE_TEXTURESTAGE(4, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 914     {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 915     {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 916     {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 917     {STATE_TEXTURESTAGE(4, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 918     {STATE_TEXTURESTAGE(4, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 919     {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 920     {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 921     {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 922     {STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(4, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 923     {STATE_TEXTURESTAGE(5, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 924     {STATE_TEXTURESTAGE(5, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 925     {STATE_TEXTURESTAGE(5, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 926     {STATE_TEXTURESTAGE(5, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 927     {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 928     {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 929     {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 930     {STATE_TEXTURESTAGE(5, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 931     {STATE_TEXTURESTAGE(5, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 932     {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 933     {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 934     {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 935     {STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(5, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 936     {STATE_TEXTURESTAGE(6, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 937     {STATE_TEXTURESTAGE(6, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 938     {STATE_TEXTURESTAGE(6, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 939     {STATE_TEXTURESTAGE(6, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 940     {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 941     {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 942     {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 943     {STATE_TEXTURESTAGE(6, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 944     {STATE_TEXTURESTAGE(6, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 945     {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 946     {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 947     {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 948     {STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(6, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 949     {STATE_TEXTURESTAGE(7, WINED3DTSS_COLOROP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 950     {STATE_TEXTURESTAGE(7, WINED3DTSS_COLORARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 951     {STATE_TEXTURESTAGE(7, WINED3DTSS_COLORARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 952     {STATE_TEXTURESTAGE(7, WINED3DTSS_COLORARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 953     {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAOP),           { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 954     {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAARG1),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 955     {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAARG2),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 956     {STATE_TEXTURESTAGE(7, WINED3DTSS_ALPHAARG0),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 957     {STATE_TEXTURESTAGE(7, WINED3DTSS_RESULTARG),         { STATE_TEXTURESTAGE(0, WINED3DTSS_COLOROP),          set_tex_op_atifs        }},
 958     {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),      { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 959     {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT01),      { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 960     {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT10),      { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 961     {STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT11),      { STATE_TEXTURESTAGE(7, WINED3DTSS_BUMPENVMAT00),     set_bumpmat             }},
 962     {0 /* Terminate */,                                   { 0,                                                  0                       }},
 963 };
 964
 965 /* GL_ATI_fragment_shader backend.It borrows a lot from a the
 966  * ARB shader backend, currently the whole vertex processing
 967  * code. This code would also forward pixel shaders, but if
 968  * GL_ARB_fragment_program is supported, the atifs shader backend
 969  * is not used.
 970  */
 971 static void shader_atifs_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {
 972     arb_program_shader_backend.shader_select(iface, usePS, useVS);
 973 }
 974
 975 static void shader_atifs_select_depth_blt(IWineD3DDevice *iface) {
 976     arb_program_shader_backend.shader_select_depth_blt(iface);
 977 }
 978
 979 static void shader_atifs_destroy_depth_blt(IWineD3DDevice *iface) {
 980     arb_program_shader_backend.shader_destroy_depth_blt(iface);
 981 }
 982
 983 static void shader_atifs_load_constants(IWineD3DDevice *iface, char usePS, char useVS) {
 984     arb_program_shader_backend.shader_load_constants(iface, usePS, useVS);
 985 }
 986
 987 static void shader_atifs_cleanup(IWineD3DDevice *iface) {
 988     arb_program_shader_backend.shader_cleanup(iface);
 989 }
 990
 991 static void shader_atifs_color_correction(SHADER_OPCODE_ARG* arg) {
 992     arb_program_shader_backend.shader_color_correction(arg);
 993 }
 994
 995 static void shader_atifs_destroy(IWineD3DBaseShader *iface) {
 996     arb_program_shader_backend.shader_destroy(iface);
 997 }
 998
 999 static HRESULT shader_atifs_alloc(IWineD3DDevice *iface) {
1000     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *) iface;
1001     HRESULT hr;
1002     struct atifs_private_data *priv;
1003     hr = arb_program_shader_backend.shader_alloc_private(iface);
1004     if(FAILED(hr)) return hr;
1005
1006     This->shader_priv = HeapReAlloc(GetProcessHeap(), 0, This->shader_priv,
1007                                     sizeof(struct atifs_private_data));
1008     priv = (struct atifs_private_data *) This->shader_priv;
1009     list_init(&priv->fragment_shaders);
1010     return WINED3D_OK;
1011 }
1012
1013 #define GLINFO_LOCATION This->adapter->gl_info
1014 static void shader_atifs_free(IWineD3DDevice *iface) {
1015     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *) iface;
1016     struct atifs_private_data *priv = (struct atifs_private_data *) This->shader_priv;
1017     struct ffp_desc *entry, *entry2;
1018     struct atifs_ffp_desc *entry_ati;
1019
1020     ENTER_GL();
1021     LIST_FOR_EACH_ENTRY_SAFE(entry, entry2, &priv->fragment_shaders, struct ffp_desc, entry) {
1022         entry_ati = (struct atifs_ffp_desc *) entry;
1023         GL_EXTCALL(glDeleteFragmentShaderATI(entry_ati->shader));
1024         checkGLcall("glDeleteFragmentShaderATI(entry->shader)");
1025         list_remove(&entry->entry);
1026         HeapFree(GetProcessHeap(), 0, entry);
1027     }
1028     LEAVE_GL();
1029
1030     /* Not actually needed, but revert what we've done before */
1031     This->shader_priv = HeapReAlloc(GetProcessHeap(), 0, This->shader_priv,
1032                                     sizeof(struct shader_arb_priv));
1033     arb_program_shader_backend.shader_free_private(iface);
1034 }
1035 #undef GLINFO_LOCATION
1036
1037 static BOOL shader_atifs_dirty_const(IWineD3DDevice *iface) {
1038     return arb_program_shader_backend.shader_dirtifyable_constants(iface);
1039 }
1040
1041 static void shader_atifs_get_caps(WINED3DDEVTYPE devtype, WineD3D_GL_Info *gl_info, struct shader_caps *caps) {
1042     arb_program_shader_backend.shader_get_caps(devtype, gl_info, caps);
1043
1044     caps->TextureOpCaps =  WINED3DTEXOPCAPS_DISABLE                     |
1045                            WINED3DTEXOPCAPS_SELECTARG1                  |
1046                            WINED3DTEXOPCAPS_SELECTARG2                  |
1047                            WINED3DTEXOPCAPS_MODULATE4X                  |
1048                            WINED3DTEXOPCAPS_MODULATE2X                  |
1049                            WINED3DTEXOPCAPS_MODULATE                    |
1050                            WINED3DTEXOPCAPS_ADDSIGNED2X                 |
1051                            WINED3DTEXOPCAPS_ADDSIGNED                   |
1052                            WINED3DTEXOPCAPS_ADD                         |
1053                            WINED3DTEXOPCAPS_SUBTRACT                    |
1054                            WINED3DTEXOPCAPS_ADDSMOOTH                   |
1055                            WINED3DTEXOPCAPS_BLENDCURRENTALPHA           |
1056                            WINED3DTEXOPCAPS_BLENDFACTORALPHA            |
1057                            WINED3DTEXOPCAPS_BLENDTEXTUREALPHA           |
1058                            WINED3DTEXOPCAPS_BLENDDIFFUSEALPHA           |
1059                            WINED3DTEXOPCAPS_BLENDTEXTUREALPHAPM         |
1060                            WINED3DTEXOPCAPS_MODULATEALPHA_ADDCOLOR      |
1061                            WINED3DTEXOPCAPS_MODULATECOLOR_ADDALPHA      |
1062                            WINED3DTEXOPCAPS_MODULATEINVCOLOR_ADDALPHA   |
1063                            WINED3DTEXOPCAPS_MODULATEINVALPHA_ADDCOLOR   |
1064                            WINED3DTEXOPCAPS_DOTPRODUCT3                 |
1065                            WINED3DTEXOPCAPS_MULTIPLYADD                 |
1066                            WINED3DTEXOPCAPS_LERP                        |
1067                            WINED3DTEXOPCAPS_BUMPENVMAP;
1068
1069     /* TODO: Implement WINED3DTEXOPCAPS_BUMPENVMAPLUMINANCE
1070     and WINED3DTEXOPCAPS_PREMODULATE */
1071
1072     /* GL_ATI_fragment_shader only supports up to 6 textures, which was the limit on r200 cards
1073      * which this extension is exclusively focused on(later cards have GL_ARB_fragment_program).
1074      * If the current card has more than 8 fixed function textures in OpenGL's regular fixed
1075      * function pipeline then the ATI_fragment_shader backend imposes a stricter limit. This
1076      * shouldn't be too hard since Nvidia cards have a limit of 4 textures with the default ffp
1077      * pipeline, and almost all games are happy with that. We can however support up to 8
1078      * texture stages because we have a 2nd pass limit of 8 instructions, and per stage we use
1079      * only 1 instruction.
1080      *
1081      * The proper fix for this is not to use GL_ATI_fragment_shader on cards newer than the
1082      * r200 series and use an ARB or GLSL shader instead
1083      */
1084     if(caps->MaxSimultaneousTextures > 6) {
1085         WARN("OpenGL fixed function supports %d simultaneous textures,\n", caps->MaxSimultaneousTextures);
1086         WARN("but GL_ATI_fragment_shader limits this to 6\n");
1087         caps->MaxSimultaneousTextures = 6;
1088     }
1089
1090     caps->PrimitiveMiscCaps |= WINED3DPMISCCAPS_TSSARGTEMP;
1091 }
1092
1093 static void shader_atifs_generate_pshader(IWineD3DPixelShader *iface, SHADER_BUFFER *buffer) {
1094     ERR("Should not get here\n");
1095 }
1096
1097 static void shader_atifs_generate_vshader(IWineD3DVertexShader *iface, SHADER_BUFFER *buffer) {
1098     arb_program_shader_backend.shader_generate_vshader(iface, buffer);
1099 }
1100
1101 static void shader_atifs_fragment_enable(IWineD3DDevice *iface, BOOL enable) {
1102     if(enable) {
1103         glEnable(GL_FRAGMENT_SHADER_ATI);
1104         checkGLcall("glEnable(GL_FRAGMENT_SHADER_ATI)");
1105     } else {
1106         glDisable(GL_FRAGMENT_SHADER_ATI);
1107         checkGLcall("glDisable(GL_FRAGMENT_SHADER_ATI)");
1108     }
1109 }
1110
1111 const shader_backend_t atifs_shader_backend = {
1112     shader_atifs_select,
1113     shader_atifs_select_depth_blt,
1114     shader_atifs_destroy_depth_blt,
1115     shader_atifs_load_constants,
1116     shader_atifs_cleanup,
1117     shader_atifs_color_correction,
1118     shader_atifs_destroy,
1119     shader_atifs_alloc,
1120     shader_atifs_free,
1121     shader_atifs_dirty_const,
1122     shader_atifs_generate_pshader,
1123     shader_atifs_generate_vshader,
1124     shader_atifs_get_caps,
1125     shader_atifs_fragment_enable,
1126 };