dlls/wined3d/arb_program_shader.c

   1 /*
   2  * Pixel and vertex shaders implementation using ARB_vertex_program
   3  * and ARB_fragment_program GL extensions.
   4  *
   5  * Copyright 2002-2003 Jason Edmeades
   6  * Copyright 2002-2003 Raphael Junqueira
   7  * Copyright 2004 Christian Costa
   8  * Copyright 2005 Oliver Stieber
   9  * Copyright 2006 Ivan Gyurdiev
  10  * Copyright 2006 Jason Green
  11  * Copyright 2006 Henri Verbeet
  12  *
  13  * This library is free software; you can redistribute it and/or
  14  * modify it under the terms of the GNU Lesser General Public
  15  * License as published by the Free Software Foundation; either
  16  * version 2.1 of the License, or (at your option) any later version.
  17  *
  18  * This library is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  21  * Lesser General Public License for more details.
  22  *
  23  * You should have received a copy of the GNU Lesser General Public
  24  * License along with this library; if not, write to the Free Software
  25  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  26  */
  27
  28 #include "config.h"
  29
  30 #include <math.h>
  31 #include <stdio.h>
  32
  33 #include "wined3d_private.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
  36
  37 #define GLINFO_LOCATION      (*gl_info)
  38
  39 /********************************************************
  40  * ARB_[vertex/fragment]_program helper functions follow
  41  ********************************************************/
  42
  43 /**
  44  * Loads floating point constants into the currently set ARB_vertex/fragment_program.
  45  * When constant_list == NULL, it will load all the constants.
  46  *
  47  * @target_type should be either GL_VERTEX_PROGRAM_ARB (for vertex shaders)
  48  *  or GL_FRAGMENT_PROGRAM_ARB (for pixel shaders)
  49  */
  50 static void shader_arb_load_constantsF(IWineD3DBaseShaderImpl* This, WineD3D_GL_Info *gl_info, GLuint target_type,
  51         unsigned int max_constants, float* constants, struct list *constant_list) {
  52     constant_entry *constant;
  53     local_constant* lconst;
  54     int i;
  55
  56     if (!constant_list) {
  57         if (TRACE_ON(d3d_shader)) {
  58             for (i = 0; i < max_constants; ++i) {
  59                 TRACE("Loading constants %i: %f, %f, %f, %f\n", i,
  60                         constants[i * 4 + 0], constants[i * 4 + 1],
  61                         constants[i * 4 + 2], constants[i * 4 + 3]);
  62             }
  63         }
  64         for (i = 0; i < max_constants; ++i) {
  65             GL_EXTCALL(glProgramEnvParameter4fvARB(target_type, i, constants + (i * 4)));
  66         }
  67         checkGLcall("glProgramEnvParameter4fvARB()");
  68     } else {
  69         if (TRACE_ON(d3d_shader)) {
  70             LIST_FOR_EACH_ENTRY(constant, constant_list, constant_entry, entry) {
  71                 i = constant->idx;
  72                 TRACE("Loading constants %i: %f, %f, %f, %f\n", i,
  73                         constants[i * 4 + 0], constants[i * 4 + 1],
  74                         constants[i * 4 + 2], constants[i * 4 + 3]);
  75             }
  76         }
  77         LIST_FOR_EACH_ENTRY(constant, constant_list, constant_entry, entry) {
  78             i = constant->idx;
  79             GL_EXTCALL(glProgramEnvParameter4fvARB(target_type, i, constants + (i * 4)));
  80         }
  81         checkGLcall("glProgramEnvParameter4fvARB()");
  82     }
  83
  84     /* Load immediate constants */
  85     if (TRACE_ON(d3d_shader)) {
  86         LIST_FOR_EACH_ENTRY(lconst, &This->baseShader.constantsF, local_constant, entry) {
  87             GLfloat* values = (GLfloat*)lconst->value;
  88             TRACE("Loading local constants %i: %f, %f, %f, %f\n", lconst->idx,
  89                     values[0], values[1], values[2], values[3]);
  90         }
  91     }
  92     LIST_FOR_EACH_ENTRY(lconst, &This->baseShader.constantsF, local_constant, entry) {
  93         GL_EXTCALL(glProgramEnvParameter4fvARB(target_type, lconst->idx, (GLfloat*)lconst->value));
  94     }
  95     checkGLcall("glProgramEnvParameter4fvARB()");
  96 }
  97
  98 /**
  99  * Loads the app-supplied constants into the currently set ARB_[vertex/fragment]_programs.
 100  *
 101  * We only support float constants in ARB at the moment, so don't
 102  * worry about the Integers or Booleans
 103  */
 104 void shader_arb_load_constants(
 105     IWineD3DDevice* device,
 106     char usePixelShader,
 107     char useVertexShader) {
 108
 109     IWineD3DDeviceImpl* deviceImpl = (IWineD3DDeviceImpl*) device;
 110     IWineD3DStateBlockImpl* stateBlock = deviceImpl->stateBlock;
 111     WineD3D_GL_Info *gl_info = &((IWineD3DImpl*)deviceImpl->wineD3D)->gl_info;
 112
 113     if (useVertexShader) {
 114         IWineD3DBaseShaderImpl* vshader = (IWineD3DBaseShaderImpl*) stateBlock->vertexShader;
 115         IWineD3DVertexShaderImpl* vshader_impl = (IWineD3DVertexShaderImpl*) stateBlock->vertexShader;
 116         IWineD3DVertexDeclarationImpl* vertexDeclaration =
 117             (IWineD3DVertexDeclarationImpl*) vshader_impl->vertexDeclaration;
 118
 119         if (NULL != vertexDeclaration && NULL != vertexDeclaration->constants) {
 120             /* Load DirectX 8 float constants for vertex shader */
 121             shader_arb_load_constantsF(vshader, gl_info, GL_VERTEX_PROGRAM_ARB,
 122                                        GL_LIMITS(vshader_constantsF),
 123                                        vertexDeclaration->constants, NULL);
 124         }
 125
 126         /* Load DirectX 9 float constants for vertex shader */
 127         shader_arb_load_constantsF(vshader, gl_info, GL_VERTEX_PROGRAM_ARB,
 128                                    GL_LIMITS(vshader_constantsF),
 129                                    stateBlock->vertexShaderConstantF,
 130                                    &stateBlock->set_vconstantsF);
 131
 132         /* Upload the position fixup */
 133         GL_EXTCALL(glProgramEnvParameter4fvARB(GL_VERTEX_PROGRAM_ARB, ARB_SHADER_PRIVCONST_POS, deviceImpl->posFixup));
 134     }
 135
 136     if (usePixelShader) {
 137
 138         IWineD3DBaseShaderImpl* pshader = (IWineD3DBaseShaderImpl*) stateBlock->pixelShader;
 139
 140         /* Load DirectX 9 float constants for pixel shader */
 141         shader_arb_load_constantsF(pshader, gl_info, GL_FRAGMENT_PROGRAM_ARB,
 142                                    GL_LIMITS(pshader_constantsF),
 143                                    stateBlock->pixelShaderConstantF,
 144                                    &stateBlock->set_pconstantsF);
 145     }
 146 }
 147
 148 /* Generate the variable & register declarations for the ARB_vertex_program output target */
 149 void shader_generate_arb_declarations(
 150     IWineD3DBaseShader *iface,
 151     shader_reg_maps* reg_maps,
 152     SHADER_BUFFER* buffer,
 153     WineD3D_GL_Info* gl_info) {
 154
 155     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 156     DWORD i;
 157     char pshader = shader_is_pshader_version(This->baseShader.hex_version);
 158     unsigned max_constantsF = min(This->baseShader.limits.constant_float,
 159             (pshader ? GL_LIMITS(pshader_constantsF) : GL_LIMITS(vshader_constantsF)));
 160
 161     /* Temporary Output register */
 162     shader_addline(buffer, "TEMP TMP_OUT;\n");
 163
 164     for(i = 0; i < This->baseShader.limits.temporary; i++) {
 165         if (reg_maps->temporary[i])
 166             shader_addline(buffer, "TEMP R%u;\n", i);
 167     }
 168
 169     for (i = 0; i < This->baseShader.limits.address; i++) {
 170         if (reg_maps->address[i])
 171             shader_addline(buffer, "ADDRESS A%d;\n", i);
 172     }
 173
 174     for(i = 0; i < This->baseShader.limits.texcoord; i++) {
 175         if (reg_maps->texcoord[i])
 176             shader_addline(buffer,"TEMP T%u;\n", i);
 177     }
 178
 179     /* Texture coordinate registers must be pre-loaded */
 180     for (i = 0; i < This->baseShader.limits.texcoord; i++) {
 181         if (reg_maps->texcoord[i])
 182             shader_addline(buffer, "MOV T%u, fragment.texcoord[%u];\n", i, i);
 183     }
 184
 185     /* Need to PARAM the environment parameters (constants) so we can use relative addressing */
 186     shader_addline(buffer, "PARAM C[%d] = { program.env[0..%d] };\n",
 187                    max_constantsF, max_constantsF - 1);
 188 }
 189
 190 static const char * const shift_tab[] = {
 191     "dummy",     /*  0 (none) */
 192     "coefmul.x", /*  1 (x2)   */
 193     "coefmul.y", /*  2 (x4)   */
 194     "coefmul.z", /*  3 (x8)   */
 195     "coefmul.w", /*  4 (x16)  */
 196     "dummy",     /*  5 (x32)  */
 197     "dummy",     /*  6 (x64)  */
 198     "dummy",     /*  7 (x128) */
 199     "dummy",     /*  8 (d256) */
 200     "dummy",     /*  9 (d128) */
 201     "dummy",     /* 10 (d64)  */
 202     "dummy",     /* 11 (d32)  */
 203     "coefdiv.w", /* 12 (d16)  */
 204     "coefdiv.z", /* 13 (d8)   */
 205     "coefdiv.y", /* 14 (d4)   */
 206     "coefdiv.x"  /* 15 (d2)   */
 207 };
 208
 209 static void pshader_get_write_mask(const DWORD output_reg, char *write_mask) {
 210     *write_mask = 0;
 211     if ((output_reg & WINED3DSP_WRITEMASK_ALL) != WINED3DSP_WRITEMASK_ALL) {
 212         strcat(write_mask, ".");
 213         if (output_reg & WINED3DSP_WRITEMASK_0) strcat(write_mask, "r");
 214         if (output_reg & WINED3DSP_WRITEMASK_1) strcat(write_mask, "g");
 215         if (output_reg & WINED3DSP_WRITEMASK_2) strcat(write_mask, "b");
 216         if (output_reg & WINED3DSP_WRITEMASK_3) strcat(write_mask, "a");
 217     }
 218 }
 219
 220 /* TODO: merge with pixel shader */
 221 static void vshader_program_add_output_param_swizzle(const DWORD param, int is_color, char *hwLine) {
 222     /** operand output */
 223     if ((param & WINED3DSP_WRITEMASK_ALL) != WINED3DSP_WRITEMASK_ALL) {
 224       strcat(hwLine, ".");
 225       if (param & WINED3DSP_WRITEMASK_0) { strcat(hwLine, "x"); }
 226       if (param & WINED3DSP_WRITEMASK_1) { strcat(hwLine, "y"); }
 227       if (param & WINED3DSP_WRITEMASK_2) { strcat(hwLine, "z"); }
 228       if (param & WINED3DSP_WRITEMASK_3) { strcat(hwLine, "w"); }
 229     }
 230 }
 231
 232 static void pshader_get_input_register_swizzle(const DWORD instr, char *swzstring) {
 233     static const char swizzle_reg_chars[] = "rgba";
 234     DWORD swizzle = (instr & WINED3DSP_SWIZZLE_MASK) >> WINED3DSP_SWIZZLE_SHIFT;
 235     DWORD swizzle_x = swizzle & 0x03;
 236     DWORD swizzle_y = (swizzle >> 2) & 0x03;
 237     DWORD swizzle_z = (swizzle >> 4) & 0x03;
 238     DWORD swizzle_w = (swizzle >> 6) & 0x03;
 239     /**
 240      * swizzle bits fields:
 241      *  WWZZYYXX
 242      */
 243     *swzstring = 0;
 244     if ((WINED3DSP_NOSWIZZLE >> WINED3DSP_SWIZZLE_SHIFT) != swizzle) {
 245         if (swizzle_x == swizzle_y &&
 246         swizzle_x == swizzle_z &&
 247         swizzle_x == swizzle_w) {
 248             sprintf(swzstring, ".%c", swizzle_reg_chars[swizzle_x]);
 249         } else {
 250             sprintf(swzstring, ".%c%c%c%c",
 251                 swizzle_reg_chars[swizzle_x],
 252                 swizzle_reg_chars[swizzle_y],
 253                 swizzle_reg_chars[swizzle_z],
 254                 swizzle_reg_chars[swizzle_w]);
 255         }
 256     }
 257 }
 258
 259 /* TODO: merge with pixel shader */
 260 static void vshader_program_add_input_param_swizzle(const DWORD param, int is_color, char *hwLine) {
 261     static const char swizzle_reg_chars_color_fix[] = "zyxw";
 262     static const char swizzle_reg_chars[] = "xyzw";
 263     const char* swizzle_regs = NULL;
 264     char  tmpReg[255];
 265
 266     /** operand input */
 267     DWORD swizzle = (param & WINED3DVS_SWIZZLE_MASK) >> WINED3DVS_SWIZZLE_SHIFT;
 268     DWORD swizzle_x = swizzle & 0x03;
 269     DWORD swizzle_y = (swizzle >> 2) & 0x03;
 270     DWORD swizzle_z = (swizzle >> 4) & 0x03;
 271     DWORD swizzle_w = (swizzle >> 6) & 0x03;
 272
 273     if (is_color) {
 274       swizzle_regs = swizzle_reg_chars_color_fix;
 275     } else {
 276       swizzle_regs = swizzle_reg_chars;
 277     }
 278
 279     /**
 280      * swizzle bits fields:
 281      *  WWZZYYXX
 282      */
 283     if ((WINED3DVS_NOSWIZZLE >> WINED3DVS_SWIZZLE_SHIFT) == swizzle) {
 284       if (is_color) {
 285         sprintf(tmpReg, ".%c%c%c%c",
 286                 swizzle_regs[swizzle_x],
 287                 swizzle_regs[swizzle_y],
 288                 swizzle_regs[swizzle_z],
 289                 swizzle_regs[swizzle_w]);
 290         strcat(hwLine, tmpReg);
 291       }
 292       return ;
 293     }
 294     if (swizzle_x == swizzle_y &&
 295         swizzle_x == swizzle_z &&
 296         swizzle_x == swizzle_w)
 297     {
 298       sprintf(tmpReg, ".%c", swizzle_regs[swizzle_x]);
 299       strcat(hwLine, tmpReg);
 300     } else {
 301       sprintf(tmpReg, ".%c%c%c%c",
 302               swizzle_regs[swizzle_x],
 303               swizzle_regs[swizzle_y],
 304               swizzle_regs[swizzle_z],
 305               swizzle_regs[swizzle_w]);
 306       strcat(hwLine, tmpReg);
 307     }
 308 }
 309
 310 static void pshader_get_register_name(
 311     const DWORD param, char* regstr) {
 312
 313     DWORD reg = param & WINED3DSP_REGNUM_MASK;
 314     DWORD regtype = shader_get_regtype(param);
 315
 316     switch (regtype) {
 317     case WINED3DSPR_TEMP:
 318         sprintf(regstr, "R%u", reg);
 319     break;
 320     case WINED3DSPR_INPUT:
 321         if (reg==0) {
 322             strcpy(regstr, "fragment.color.primary");
 323         } else {
 324             strcpy(regstr, "fragment.color.secondary");
 325         }
 326     break;
 327     case WINED3DSPR_CONST:
 328         sprintf(regstr, "C[%u]", reg);
 329     break;
 330     case WINED3DSPR_TEXTURE: /* case WINED3DSPR_ADDR: */
 331         sprintf(regstr,"T%u", reg);
 332     break;
 333     case WINED3DSPR_COLOROUT:
 334         if (reg == 0)
 335             sprintf(regstr, "result.color");
 336         else {
 337             /* TODO: See GL_ARB_draw_buffers */
 338             FIXME("Unsupported write to render target %u\n", reg);
 339             sprintf(regstr, "unsupported_register");
 340         }
 341     break;
 342     case WINED3DSPR_DEPTHOUT:
 343         sprintf(regstr, "result.depth");
 344     break;
 345     case WINED3DSPR_ATTROUT:
 346         sprintf(regstr, "oD[%u]", reg);
 347     break;
 348     case WINED3DSPR_TEXCRDOUT:
 349         sprintf(regstr, "oT[%u]", reg);
 350     break;
 351     default:
 352         FIXME("Unhandled register name Type(%d)\n", regtype);
 353         sprintf(regstr, "unrecognized_register");
 354     break;
 355     }
 356 }
 357
 358 /* TODO: merge with pixel shader */
 359 static void vshader_program_add_param(SHADER_OPCODE_ARG *arg, const DWORD param, BOOL is_input, char *hwLine) {
 360
 361   IWineD3DVertexShaderImpl* This = (IWineD3DVertexShaderImpl*) arg->shader;
 362
 363   /* oPos, oFog and oPts in D3D */
 364   static const char * const hwrastout_reg_names[] = { "TMP_OUT", "TMP_FOG", "result.pointsize" };
 365
 366   DWORD reg = param & WINED3DSP_REGNUM_MASK;
 367   DWORD regtype = shader_get_regtype(param);
 368   char  tmpReg[255];
 369   BOOL is_color = FALSE;
 370
 371   if ((param & WINED3DSP_SRCMOD_MASK) == WINED3DSPSM_NEG) {
 372       strcat(hwLine, " -");
 373   } else {
 374       strcat(hwLine, " ");
 375   }
 376
 377   switch (regtype) {
 378   case WINED3DSPR_TEMP:
 379     sprintf(tmpReg, "R%u", reg);
 380     strcat(hwLine, tmpReg);
 381     break;
 382   case WINED3DSPR_INPUT:
 383
 384     if (vshader_input_is_color((IWineD3DVertexShader*) This, reg))
 385         is_color = TRUE;
 386
 387     sprintf(tmpReg, "vertex.attrib[%u]", reg);
 388     strcat(hwLine, tmpReg);
 389     break;
 390   case WINED3DSPR_CONST:
 391     sprintf(tmpReg, "C[%s%u]", (param & WINED3DSHADER_ADDRMODE_RELATIVE) ? "A0.x + " : "", reg);
 392     strcat(hwLine, tmpReg);
 393     break;
 394   case WINED3DSPR_ADDR: /*case D3DSPR_TEXTURE:*/
 395     sprintf(tmpReg, "A%u", reg);
 396     strcat(hwLine, tmpReg);
 397     break;
 398   case WINED3DSPR_RASTOUT:
 399     sprintf(tmpReg, "%s", hwrastout_reg_names[reg]);
 400     strcat(hwLine, tmpReg);
 401     break;
 402   case WINED3DSPR_ATTROUT:
 403     if (reg==0) {
 404        strcat(hwLine, "result.color.primary");
 405     } else {
 406        strcat(hwLine, "result.color.secondary");
 407     }
 408     break;
 409   case WINED3DSPR_TEXCRDOUT:
 410     sprintf(tmpReg, "result.texcoord[%u]", reg);
 411     strcat(hwLine, tmpReg);
 412     break;
 413   default:
 414     FIXME("Unknown reg type %d %d\n", regtype, reg);
 415     strcat(hwLine, "unrecognized_register");
 416     break;
 417   }
 418
 419   if (!is_input) {
 420     vshader_program_add_output_param_swizzle(param, is_color, hwLine);
 421   } else {
 422     vshader_program_add_input_param_swizzle(param, is_color, hwLine);
 423   }
 424 }
 425
 426 static void shader_hw_sample(SHADER_OPCODE_ARG* arg, DWORD sampler_idx, const char *dst_str, const char *coord_reg) {
 427     IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader;
 428     IWineD3DDeviceImpl* deviceImpl = (IWineD3DDeviceImpl*) This->baseShader.device;
 429
 430     SHADER_BUFFER* buffer = arg->buffer;
 431     DWORD sampler_type = arg->reg_maps->samplers[sampler_idx] & WINED3DSP_TEXTURETYPE_MASK;
 432     const char *tex_type;
 433
 434     switch(sampler_type) {
 435         case WINED3DSTT_1D:
 436             tex_type = "1D";
 437             break;
 438
 439         case WINED3DSTT_2D:
 440             tex_type = "2D";
 441             break;
 442
 443         case WINED3DSTT_VOLUME:
 444             tex_type = "3D";
 445             break;
 446
 447         case WINED3DSTT_CUBE:
 448             tex_type = "CUBE";
 449             break;
 450
 451         default:
 452             ERR("Unexpected texture type %d\n", sampler_type);
 453             tex_type = "";
 454     }
 455
 456     if (deviceImpl->stateBlock->textureState[sampler_idx][WINED3DTSS_TEXTURETRANSFORMFLAGS] & WINED3DTTFF_PROJECTED) {
 457         shader_addline(buffer, "TXP %s, %s, texture[%u], %s;\n", dst_str, coord_reg, sampler_idx, tex_type);
 458     } else {
 459         shader_addline(buffer, "TEX %s, %s, texture[%u], %s;\n", dst_str, coord_reg, sampler_idx, tex_type);
 460     }
 461 }
 462
 463
 464 static void pshader_gen_input_modifier_line (
 465     SHADER_BUFFER* buffer,
 466     const DWORD instr,
 467     int tmpreg,
 468     char *outregstr) {
 469
 470     /* Generate a line that does the input modifier computation and return the input register to use */
 471     char regstr[256];
 472     char swzstr[20];
 473     int insert_line;
 474
 475     /* Assume a new line will be added */
 476     insert_line = 1;
 477
 478     /* Get register name */
 479     pshader_get_register_name(instr, regstr);
 480     pshader_get_input_register_swizzle(instr, swzstr);
 481
 482     switch (instr & WINED3DSP_SRCMOD_MASK) {
 483     case WINED3DSPSM_NONE:
 484         sprintf(outregstr, "%s%s", regstr, swzstr);
 485         insert_line = 0;
 486         break;
 487     case WINED3DSPSM_NEG:
 488         sprintf(outregstr, "-%s%s", regstr, swzstr);
 489         insert_line = 0;
 490         break;
 491     case WINED3DSPSM_BIAS:
 492         shader_addline(buffer, "ADD T%c, %s, -coefdiv.x;\n", 'A' + tmpreg, regstr);
 493         break;
 494     case WINED3DSPSM_BIASNEG:
 495         shader_addline(buffer, "ADD T%c, -%s, coefdiv.x;\n", 'A' + tmpreg, regstr);
 496         break;
 497     case WINED3DSPSM_SIGN:
 498         shader_addline(buffer, "MAD T%c, %s, coefmul.x, -one.x;\n", 'A' + tmpreg, regstr);
 499         break;
 500     case WINED3DSPSM_SIGNNEG:
 501         shader_addline(buffer, "MAD T%c, %s, -coefmul.x, one.x;\n", 'A' + tmpreg, regstr);
 502         break;
 503     case WINED3DSPSM_COMP:
 504         shader_addline(buffer, "SUB T%c, one.x, %s;\n", 'A' + tmpreg, regstr);
 505         break;
 506     case WINED3DSPSM_X2:
 507         shader_addline(buffer, "ADD T%c, %s, %s;\n", 'A' + tmpreg, regstr, regstr);
 508         break;
 509     case WINED3DSPSM_X2NEG:
 510         shader_addline(buffer, "ADD T%c, -%s, -%s;\n", 'A' + tmpreg, regstr, regstr);
 511         break;
 512     case WINED3DSPSM_DZ:
 513         shader_addline(buffer, "RCP T%c, %s.z;\n", 'A' + tmpreg, regstr);
 514         shader_addline(buffer, "MUL T%c, %s, T%c;\n", 'A' + tmpreg, regstr, 'A' + tmpreg);
 515         break;
 516     case WINED3DSPSM_DW:
 517         shader_addline(buffer, "RCP T%c, %s.w;\n", 'A' + tmpreg, regstr);
 518         shader_addline(buffer, "MUL T%c, %s, T%c;\n", 'A' + tmpreg, regstr, 'A' + tmpreg);
 519         break;
 520     default:
 521         sprintf(outregstr, "%s%s", regstr, swzstr);
 522         insert_line = 0;
 523     }
 524
 525     /* Return modified or original register, with swizzle */
 526     if (insert_line)
 527         sprintf(outregstr, "T%c%s", 'A' + tmpreg, swzstr);
 528 }
 529
 530 inline static void pshader_gen_output_modifier_line(
 531     SHADER_BUFFER* buffer,
 532     int saturate,
 533     char *write_mask,
 534     int shift,
 535     char *regstr) {
 536
 537     /* Generate a line that does the output modifier computation */
 538     shader_addline(buffer, "MUL%s %s%s, %s, %s;\n", saturate ? "_SAT" : "",
 539         regstr, write_mask, regstr, shift_tab[shift]);
 540 }
 541
 542 void pshader_hw_cnd(SHADER_OPCODE_ARG* arg) {
 543
 544     SHADER_BUFFER* buffer = arg->buffer;
 545     char dst_wmask[20];
 546     char dst_name[50];
 547     char src_name[3][50];
 548
 549     /* FIXME: support output modifiers */
 550
 551     /* Handle output register */
 552     pshader_get_register_name(arg->dst, dst_name);
 553     pshader_get_write_mask(arg->dst, dst_wmask);
 554     strcat(dst_name, dst_wmask);
 555
 556     /* Generate input register names (with modifiers) */
 557     pshader_gen_input_modifier_line(buffer, arg->src[0], 0, src_name[0]);
 558     pshader_gen_input_modifier_line(buffer, arg->src[1], 1, src_name[1]);
 559     pshader_gen_input_modifier_line(buffer, arg->src[2], 2, src_name[2]);
 560
 561     shader_addline(buffer, "ADD TMP, -%s, coefdiv.x;\n", src_name[0]);
 562     shader_addline(buffer, "CMP %s, TMP, %s, %s;\n", dst_name, src_name[1], src_name[2]);
 563 }
 564
 565 void pshader_hw_cmp(SHADER_OPCODE_ARG* arg) {
 566
 567     SHADER_BUFFER* buffer = arg->buffer;
 568     char dst_wmask[20];
 569     char dst_name[50];
 570     char src_name[3][50];
 571
 572     /* FIXME: support output modifiers */
 573
 574     /* Handle output register */
 575     pshader_get_register_name(arg->dst, dst_name);
 576     pshader_get_write_mask(arg->dst, dst_wmask);
 577     strcat(dst_name, dst_wmask);
 578
 579     /* Generate input register names (with modifiers) */
 580     pshader_gen_input_modifier_line(buffer, arg->src[0], 0, src_name[0]);
 581     pshader_gen_input_modifier_line(buffer, arg->src[1], 1, src_name[1]);
 582     pshader_gen_input_modifier_line(buffer, arg->src[2], 2, src_name[2]);
 583
 584     shader_addline(buffer, "CMP %s, %s, %s, %s;\n", dst_name,
 585         src_name[0], src_name[2], src_name[1]);
 586 }
 587
 588 /* Map the opcode 1-to-1 to the GL code */
 589 void pshader_hw_map2gl(SHADER_OPCODE_ARG* arg) {
 590
 591      CONST SHADER_OPCODE* curOpcode = arg->opcode;
 592      SHADER_BUFFER* buffer = arg->buffer;
 593      DWORD dst = arg->dst;
 594      DWORD* src = arg->src;
 595
 596      unsigned int i;
 597      char tmpLine[256];
 598
 599      /* Output token related */
 600      char output_rname[256];
 601      char output_wmask[20];
 602      BOOL saturate = FALSE;
 603      BOOL centroid = FALSE;
 604      BOOL partialprecision = FALSE;
 605      DWORD shift;
 606
 607      strcpy(tmpLine, curOpcode->glname);
 608
 609      /* Process modifiers */
 610      if (0 != (dst & WINED3DSP_DSTMOD_MASK)) {
 611          DWORD mask = dst & WINED3DSP_DSTMOD_MASK;
 612
 613          saturate = mask & WINED3DSPDM_SATURATE;
 614          centroid = mask & WINED3DSPDM_MSAMPCENTROID;
 615          partialprecision = mask & WINED3DSPDM_PARTIALPRECISION;
 616          mask &= ~(WINED3DSPDM_MSAMPCENTROID | WINED3DSPDM_PARTIALPRECISION | WINED3DSPDM_SATURATE);
 617          if (mask)
 618             FIXME("Unrecognized modifier(0x%#x)\n", mask >> WINED3DSP_DSTMOD_SHIFT);
 619
 620          if (centroid)
 621              FIXME("Unhandled modifier(0x%#x)\n", mask >> WINED3DSP_DSTMOD_SHIFT);
 622      }
 623      shift = (dst & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT;
 624
 625       /* Generate input and output registers */
 626       if (curOpcode->num_params > 0) {
 627           char operands[4][100];
 628
 629           /* Generate input register names (with modifiers) */
 630           for (i = 1; i < curOpcode->num_params; ++i)
 631               pshader_gen_input_modifier_line(buffer, src[i-1], i-1, operands[i]);
 632
 633           /* Handle output register */
 634           pshader_get_register_name(dst, output_rname);
 635           strcpy(operands[0], output_rname);
 636           pshader_get_write_mask(dst, output_wmask);
 637           strcat(operands[0], output_wmask);
 638
 639           if (saturate && (shift == 0))
 640              strcat(tmpLine, "_SAT");
 641           strcat(tmpLine, " ");
 642           strcat(tmpLine, operands[0]);
 643           for (i = 1; i < curOpcode->num_params; i++) {
 644               strcat(tmpLine, ", ");
 645               strcat(tmpLine, operands[i]);
 646           }
 647           strcat(tmpLine,";\n");
 648           shader_addline(buffer, tmpLine);
 649
 650           /* A shift requires another line. */
 651           if (shift != 0)
 652               pshader_gen_output_modifier_line(buffer, saturate, output_wmask, shift, output_rname);
 653       }
 654 }
 655
 656 void pshader_hw_tex(SHADER_OPCODE_ARG* arg) {
 657
 658     IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader;
 659
 660     DWORD dst = arg->dst;
 661     DWORD* src = arg->src;
 662     SHADER_BUFFER* buffer = arg->buffer;
 663     DWORD hex_version = This->baseShader.hex_version;
 664
 665     char reg_dest[40];
 666     char reg_coord[40];
 667     DWORD reg_dest_code;
 668     DWORD reg_sampler_code;
 669
 670     /* All versions have a destination register */
 671     reg_dest_code = dst & WINED3DSP_REGNUM_MASK;
 672     pshader_get_register_name(dst, reg_dest);
 673
 674     /* 1.0-1.3: Use destination register as coordinate source.
 675        1.4+: Use provided coordinate source register. */
 676    if (hex_version < WINED3DPS_VERSION(1,4))
 677       strcpy(reg_coord, reg_dest);
 678    else
 679       pshader_gen_input_modifier_line(buffer, src[0], 0, reg_coord);
 680
 681   /* 1.0-1.4: Use destination register number as texture code.
 682      2.0+: Use provided sampler number as texure code. */
 683   if (hex_version < WINED3DPS_VERSION(2,0))
 684      reg_sampler_code = reg_dest_code;
 685   else
 686      reg_sampler_code = src[1] & WINED3DSP_REGNUM_MASK;
 687
 688   shader_hw_sample(arg, reg_sampler_code, reg_dest, reg_coord);
 689 }
 690
 691 void pshader_hw_texcoord(SHADER_OPCODE_ARG* arg) {
 692
 693     IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader;
 694     DWORD dst = arg->dst;
 695     DWORD* src = arg->src;
 696     SHADER_BUFFER* buffer = arg->buffer;
 697     DWORD hex_version = This->baseShader.hex_version;
 698
 699     char tmp[20];
 700     pshader_get_write_mask(dst, tmp);
 701     if (hex_version != WINED3DPS_VERSION(1,4)) {
 702         DWORD reg = dst & WINED3DSP_REGNUM_MASK;
 703         shader_addline(buffer, "MOV_SAT T%u%s, fragment.texcoord[%u];\n", reg, tmp, reg);
 704     } else {
 705         DWORD reg1 = dst & WINED3DSP_REGNUM_MASK;
 706         DWORD reg2 = src[0] & WINED3DSP_REGNUM_MASK;
 707         shader_addline(buffer, "MOV R%u%s, fragment.texcoord[%u];\n", reg1, tmp, reg2);
 708    }
 709 }
 710
 711 void pshader_hw_texreg2ar(SHADER_OPCODE_ARG* arg) {
 712
 713      SHADER_BUFFER* buffer = arg->buffer;
 714
 715      DWORD reg1 = arg->dst & WINED3DSP_REGNUM_MASK;
 716      DWORD reg2 = arg->src[0] & WINED3DSP_REGNUM_MASK;
 717      char dst_str[8];
 718
 719      sprintf(dst_str, "T%u", reg1);
 720      shader_addline(buffer, "MOV TMP.r, T%u.a;\n", reg2);
 721      shader_addline(buffer, "MOV TMP.g, T%u.r;\n", reg2);
 722      shader_hw_sample(arg, reg1, dst_str, "TMP");
 723 }
 724
 725 void pshader_hw_texreg2gb(SHADER_OPCODE_ARG* arg) {
 726
 727      SHADER_BUFFER* buffer = arg->buffer;
 728
 729      DWORD reg1 = arg->dst & WINED3DSP_REGNUM_MASK;
 730      DWORD reg2 = arg->src[0] & WINED3DSP_REGNUM_MASK;
 731      char dst_str[8];
 732
 733      sprintf(dst_str, "T%u", reg1);
 734      shader_addline(buffer, "MOV TMP.r, T%u.g;\n", reg2);
 735      shader_addline(buffer, "MOV TMP.g, T%u.b;\n", reg2);
 736      shader_hw_sample(arg, reg1, dst_str, "TMP");
 737 }
 738
 739 void pshader_hw_texbem(SHADER_OPCODE_ARG* arg) {
 740
 741      SHADER_BUFFER* buffer = arg->buffer;
 742      DWORD reg1 = arg->dst  & WINED3DSP_REGNUM_MASK;
 743      DWORD reg2 = arg->src[0] & WINED3DSP_REGNUM_MASK;
 744      char dst_str[8];
 745
 746      /* FIXME: Should apply the BUMPMAPENV matrix */
 747      sprintf(dst_str, "T%u", reg1);
 748      shader_addline(buffer, "ADD TMP.rg, fragment.texcoord[%u], T%u;\n", reg1, reg2);
 749      shader_hw_sample(arg, reg1, dst_str, "TMP");
 750 }
 751
 752 void pshader_hw_texm3x2pad(SHADER_OPCODE_ARG* arg) {
 753
 754     DWORD reg = arg->dst & WINED3DSP_REGNUM_MASK;
 755     SHADER_BUFFER* buffer = arg->buffer;
 756     char src0_name[50];
 757
 758     pshader_gen_input_modifier_line(buffer, arg->src[0], 0, src0_name);
 759     shader_addline(buffer, "DP3 TMP.x, T%u, %s;\n", reg, src0_name);
 760 }
 761
 762 void pshader_hw_texm3x2tex(SHADER_OPCODE_ARG* arg) {
 763
 764     DWORD reg = arg->dst & WINED3DSP_REGNUM_MASK;
 765     SHADER_BUFFER* buffer = arg->buffer;
 766     char dst_str[8];
 767     char src0_name[50];
 768
 769     sprintf(dst_str, "T%u", reg);
 770     pshader_gen_input_modifier_line(buffer, arg->src[0], 0, src0_name);
 771     shader_addline(buffer, "DP3 TMP.y, T%u, %s;\n", reg, src0_name);
 772     shader_hw_sample(arg, reg, dst_str, "TMP");
 773 }
 774
 775 void pshader_hw_texm3x3pad(SHADER_OPCODE_ARG* arg) {
 776
 777     IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader;
 778     DWORD reg = arg->dst & WINED3DSP_REGNUM_MASK;
 779     SHADER_BUFFER* buffer = arg->buffer;
 780     SHADER_PARSE_STATE* current_state = &This->baseShader.parse_state;
 781     char src0_name[50];
 782
 783     pshader_gen_input_modifier_line(buffer, arg->src[0], 0, src0_name);
 784     shader_addline(buffer, "DP3 TMP.%c, T%u, %s;\n", 'x' + current_state->current_row, reg, src0_name);
 785     current_state->texcoord_w[current_state->current_row++] = reg;
 786 }
 787
 788 void pshader_hw_texm3x3tex(SHADER_OPCODE_ARG* arg) {
 789
 790     IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader;
 791     DWORD reg = arg->dst & WINED3DSP_REGNUM_MASK;
 792     SHADER_BUFFER* buffer = arg->buffer;
 793     SHADER_PARSE_STATE* current_state = &This->baseShader.parse_state;
 794     char dst_str[8];
 795     char src0_name[50];
 796
 797     pshader_gen_input_modifier_line(buffer, arg->src[0], 0, src0_name);
 798     shader_addline(buffer, "DP3 TMP.z, T%u, %s;\n", reg, src0_name);
 799
 800     /* Sample the texture using the calculated coordinates */
 801     sprintf(dst_str, "T%u", reg);
 802     shader_hw_sample(arg, reg, dst_str, "TMP");
 803     current_state->current_row = 0;
 804 }
 805
 806 void pshader_hw_texm3x3vspec(SHADER_OPCODE_ARG* arg) {
 807
 808     IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader;
 809     DWORD reg = arg->dst & WINED3DSP_REGNUM_MASK;
 810     SHADER_BUFFER* buffer = arg->buffer;
 811     SHADER_PARSE_STATE* current_state = &This->baseShader.parse_state;
 812     char dst_str[8];
 813     char src0_name[50];
 814
 815     pshader_gen_input_modifier_line(buffer, arg->src[0], 0, src0_name);
 816     shader_addline(buffer, "DP3 TMP.z, T%u, %s;\n", reg, src0_name);
 817
 818     /* Construct the eye-ray vector from w coordinates */
 819     shader_addline(buffer, "MOV TMP2.x, fragment.texcoord[%u].w;\n", current_state->texcoord_w[0]);
 820     shader_addline(buffer, "MOV TMP2.y, fragment.texcoord[%u].w;\n", current_state->texcoord_w[1]);
 821     shader_addline(buffer, "MOV TMP2.z, fragment.texcoord[%u].w;\n", reg);
 822
 823     /* Calculate reflection vector (Assume normal is normalized): RF = 2*(N.E)*N -E */
 824     shader_addline(buffer, "DP3 TMP.w, TMP, TMP2;\n");
 825     shader_addline(buffer, "MUL TMP, TMP.w, TMP;\n");
 826     shader_addline(buffer, "MAD TMP, coefmul.x, TMP, -TMP2;\n");
 827
 828     /* Sample the texture using the calculated coordinates */
 829     sprintf(dst_str, "T%u", reg);
 830     shader_hw_sample(arg, reg, dst_str, "TMP");
 831     current_state->current_row = 0;
 832 }
 833
 834 void pshader_hw_texm3x3spec(SHADER_OPCODE_ARG* arg) {
 835
 836     IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader;
 837     DWORD reg = arg->dst & WINED3DSP_REGNUM_MASK;
 838     DWORD reg3 = arg->src[1] & WINED3DSP_REGNUM_MASK;
 839     SHADER_PARSE_STATE* current_state = &This->baseShader.parse_state;
 840     SHADER_BUFFER* buffer = arg->buffer;
 841     char dst_str[8];
 842     char src0_name[50];
 843
 844     pshader_gen_input_modifier_line(buffer, arg->src[0], 0, src0_name);
 845     shader_addline(buffer, "DP3 TMP.z, T%u, %s;\n", reg, src0_name);
 846
 847     /* Calculate reflection vector (Assume normal is normalized): RF = 2*(N.E)*N -E */
 848     shader_addline(buffer, "DP3 TMP.w, TMP, C[%u];\n", reg3);
 849     shader_addline(buffer, "MUL TMP, TMP.w, TMP;\n");
 850     shader_addline(buffer, "MAD TMP, coefmul.x, TMP, -C[%u];\n", reg3);
 851
 852     /* Sample the texture using the calculated coordinates */
 853     sprintf(dst_str, "T%u", reg);
 854     shader_hw_sample(arg, reg, dst_str, "TMP");
 855     current_state->current_row = 0;
 856 }
 857
 858 /** Handles transforming all WINED3DSIO_M?x? opcodes for
 859     Vertex shaders to ARB_vertex_program codes */
 860 void vshader_hw_mnxn(SHADER_OPCODE_ARG* arg) {
 861
 862     int i;
 863     int nComponents = 0;
 864     SHADER_OPCODE_ARG tmpArg;
 865
 866     memset(&tmpArg, 0, sizeof(SHADER_OPCODE_ARG));
 867
 868     /* Set constants for the temporary argument */
 869     tmpArg.shader      = arg->shader;
 870     tmpArg.buffer      = arg->buffer;
 871     tmpArg.src[0]      = arg->src[0];
 872     tmpArg.src_addr[0] = arg->src_addr[0];
 873     tmpArg.src_addr[1] = arg->src_addr[1];
 874     tmpArg.reg_maps = arg->reg_maps;
 875
 876     switch(arg->opcode->opcode) {
 877     case WINED3DSIO_M4x4:
 878         nComponents = 4;
 879         tmpArg.opcode = shader_get_opcode(arg->shader, WINED3DSIO_DP4);
 880         break;
 881     case WINED3DSIO_M4x3:
 882         nComponents = 3;
 883         tmpArg.opcode = shader_get_opcode(arg->shader, WINED3DSIO_DP4);
 884         break;
 885     case WINED3DSIO_M3x4:
 886         nComponents = 4;
 887         tmpArg.opcode = shader_get_opcode(arg->shader, WINED3DSIO_DP3);
 888         break;
 889     case WINED3DSIO_M3x3:
 890         nComponents = 3;
 891         tmpArg.opcode = shader_get_opcode(arg->shader, WINED3DSIO_DP3);
 892         break;
 893     case WINED3DSIO_M3x2:
 894         nComponents = 2;
 895         tmpArg.opcode = shader_get_opcode(arg->shader, WINED3DSIO_DP3);
 896         break;
 897     default:
 898         break;
 899     }
 900
 901     for (i = 0; i < nComponents; i++) {
 902         tmpArg.dst = ((arg->dst) & ~WINED3DSP_WRITEMASK_ALL)|(WINED3DSP_WRITEMASK_0<<i);
 903         tmpArg.src[1] = arg->src[1]+i;
 904         vshader_hw_map2gl(&tmpArg);
 905     }
 906 }
 907
 908 /* TODO: merge with pixel shader */
 909 /* Map the opcode 1-to-1 to the GL code */
 910 void vshader_hw_map2gl(SHADER_OPCODE_ARG* arg) {
 911
 912     CONST SHADER_OPCODE* curOpcode = arg->opcode;
 913     SHADER_BUFFER* buffer = arg->buffer;
 914     DWORD dst = arg->dst;
 915     DWORD* src = arg->src;
 916
 917     DWORD dst_regtype = shader_get_regtype(dst);
 918     char tmpLine[256];
 919     unsigned int i;
 920
 921     if ((curOpcode->opcode == WINED3DSIO_MOV && dst_regtype == WINED3DSPR_ADDR) || curOpcode->opcode == WINED3DSIO_MOVA)
 922         strcpy(tmpLine, "ARL");
 923     else
 924         strcpy(tmpLine, curOpcode->glname);
 925
 926     if (curOpcode->num_params > 0) {
 927         vshader_program_add_param(arg, dst, FALSE, tmpLine);
 928         for (i = 1; i < curOpcode->num_params; ++i) {
 929            strcat(tmpLine, ",");
 930            vshader_program_add_param(arg, src[i-1], TRUE, tmpLine);
 931         }
 932     }
 933    shader_addline(buffer, "%s;\n", tmpLine);
 934 }
 935
 936 static GLuint create_arb_blt_vertex_program(WineD3D_GL_Info *gl_info) {
 937     GLuint program_id = 0;
 938     const char *blt_vprogram =
 939         "!!ARBvp1.0\n"
 940         "PARAM c[1] = { { 1, 0.5 } };\n"
 941         "MOV result.position, vertex.position;\n"
 942         "MOV result.color, c[0].x;\n"
 943         "MAD result.texcoord[0].y, -vertex.position, c[0], c[0];\n"
 944         "MAD result.texcoord[0].x, vertex.position, c[0].y, c[0].y;\n"
 945         "END\n";
 946
 947     GL_EXTCALL(glGenProgramsARB(1, &program_id));
 948     GL_EXTCALL(glBindProgramARB(GL_VERTEX_PROGRAM_ARB, program_id));
 949     GL_EXTCALL(glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, strlen(blt_vprogram), blt_vprogram));
 950
 951     if (glGetError() == GL_INVALID_OPERATION) {
 952         GLint pos;
 953         glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &pos);
 954         FIXME("Vertex program error at position %d: %s\n", pos,
 955             debugstr_a((const char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB)));
 956     }
 957
 958     return program_id;
 959 }
 960
 961 static GLuint create_arb_blt_fragment_program(WineD3D_GL_Info *gl_info) {
 962     GLuint program_id = 0;
 963     const char *blt_fprogram =
 964         "!!ARBfp1.0\n"
 965         "TEMP R0;\n"
 966         "TEX R0.x, fragment.texcoord[0], texture[0], 2D;\n"
 967         "MOV result.depth.z, R0.x;\n"
 968         "END\n";
 969
 970     GL_EXTCALL(glGenProgramsARB(1, &program_id));
 971     GL_EXTCALL(glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, program_id));
 972     GL_EXTCALL(glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, strlen(blt_fprogram), blt_fprogram));
 973
 974     if (glGetError() == GL_INVALID_OPERATION) {
 975         GLint pos;
 976         glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &pos);
 977         FIXME("Fragment program error at position %d: %s\n", pos,
 978             debugstr_a((const char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB)));
 979     }
 980
 981     return program_id;
 982 }
 983
 984 static void shader_arb_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {
 985     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
 986     WineD3D_GL_Info *gl_info = &((IWineD3DImpl *)(This->wineD3D))->gl_info;
 987
 988     if (useVS) {
 989         TRACE("Using vertex shader\n");
 990
 991         /* Bind the vertex program */
 992         GL_EXTCALL(glBindProgramARB(GL_VERTEX_PROGRAM_ARB,
 993             ((IWineD3DVertexShaderImpl *)This->stateBlock->vertexShader)->baseShader.prgId));
 994         checkGLcall("glBindProgramARB(GL_VERTEX_PROGRAM_ARB, vertexShader->prgId);");
 995
 996         /* Enable OpenGL vertex programs */
 997         glEnable(GL_VERTEX_PROGRAM_ARB);
 998         checkGLcall("glEnable(GL_VERTEX_PROGRAM_ARB);");
 999         TRACE_(d3d_shader)("(%p) : Bound vertex program %u and enabled GL_VERTEX_PROGRAM_ARB\n",
1000             This, ((IWineD3DVertexShaderImpl *)This->stateBlock->vertexShader)->baseShader.prgId);
1001     }
1002
1003     if (usePS) {
1004         TRACE("Using pixel shader\n");
1005
1006         /* Bind the fragment program */
1007         GL_EXTCALL(glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB,
1008             ((IWineD3DPixelShaderImpl *)This->stateBlock->pixelShader)->baseShader.prgId));
1009         checkGLcall("glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, pixelShader->prgId);");
1010
1011         /* Enable OpenGL fragment programs */
1012         glEnable(GL_FRAGMENT_PROGRAM_ARB);
1013         checkGLcall("glEnable(GL_FRAGMENT_PROGRAM_ARB);");
1014         TRACE_(d3d_shader)("(%p) : Bound fragment program %u and enabled GL_FRAGMENT_PROGRAM_ARB\n",
1015             This, ((IWineD3DPixelShaderImpl *)This->stateBlock->pixelShader)->baseShader.prgId);
1016     }
1017 }
1018
1019 static void shader_arb_select_depth_blt(IWineD3DDevice *iface) {
1020     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
1021     WineD3D_GL_Info *gl_info = &((IWineD3DImpl *)(This->wineD3D))->gl_info;
1022     static GLuint vprogram_id = 0;
1023     static GLuint fprogram_id = 0;
1024
1025     if (!vprogram_id) vprogram_id = create_arb_blt_vertex_program(gl_info);
1026     GL_EXTCALL(glBindProgramARB(GL_VERTEX_PROGRAM_ARB, vprogram_id));
1027     glEnable(GL_VERTEX_PROGRAM_ARB);
1028
1029     if (!fprogram_id) fprogram_id = create_arb_blt_fragment_program(gl_info);
1030     GL_EXTCALL(glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, fprogram_id));
1031     glEnable(GL_FRAGMENT_PROGRAM_ARB);
1032 }
1033
1034 static void shader_arb_cleanup(BOOL usePS, BOOL useVS) {
1035     if (useVS) glDisable(GL_VERTEX_PROGRAM_ARB);
1036     if (usePS) glDisable(GL_FRAGMENT_PROGRAM_ARB);
1037 }
1038
1039 const shader_backend_t arb_program_shader_backend = {
1040     &shader_arb_select,
1041     &shader_arb_select_depth_blt,
1042     &shader_arb_load_constants,
1043     &shader_arb_cleanup
1044 };