src/mesa/shader/nvprogram.c

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.5.2
   4  *
   5  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 /**
  26  * \file nvprogram.c
  27  * NVIDIA vertex/fragment program state management functions.
  28  * \author Brian Paul
  29  */
  30
  31 /*
  32  * Regarding GL_NV_fragment/vertex_program, GL_NV_vertex_program1_1, etc:
  33  *
  34  * Portions of this software may use or implement intellectual
  35  * property owned and licensed by NVIDIA Corporation. NVIDIA disclaims
  36  * any and all warranties with respect to such intellectual property,
  37  * including any use thereof or modifications thereto.
  38  */
  39
  40 #include "main/glheader.h"
  41 #include "main/context.h"
  42 #include "main/hash.h"
  43 #include "main/imports.h"
  44 #include "main/macros.h"
  45 #include "program.h"
  46 #include "prog_parameter.h"
  47 #include "prog_instruction.h"
  48 #include "nvfragparse.h"
  49 #include "nvvertparse.h"
  50 #include "arbprogparse.h"
  51 #include "nvprogram.h"
  52
  53
  54
  55 /**
  56  * Execute a vertex state program.
  57  * \note Called from the GL API dispatcher.
  58  */
  59 void GLAPIENTRY
  60 _mesa_ExecuteProgramNV(GLenum target, GLuint id, const GLfloat *params)
  61 {
  62    struct gl_vertex_program *vprog;
  63    GET_CURRENT_CONTEXT(ctx);
  64    ASSERT_OUTSIDE_BEGIN_END(ctx);
  65
  66    if (target != GL_VERTEX_STATE_PROGRAM_NV) {
  67       _mesa_error(ctx, GL_INVALID_ENUM, "glExecuteProgramNV");
  68       return;
  69    }
  70
  71    FLUSH_VERTICES(ctx, _NEW_PROGRAM);
  72
  73    vprog = (struct gl_vertex_program *) _mesa_lookup_program(ctx, id);
  74
  75    if (!vprog || vprog->Base.Target != GL_VERTEX_STATE_PROGRAM_NV) {
  76       _mesa_error(ctx, GL_INVALID_OPERATION, "glExecuteProgramNV");
  77       return;
  78    }
  79
  80    _mesa_problem(ctx, "glExecuteProgramNV() not supported");
  81 }
  82
  83
  84 /**
  85  * Determine if a set of programs is resident in hardware.
  86  * \note Not compiled into display lists.
  87  * \note Called from the GL API dispatcher.
  88  */
  89 GLboolean GLAPIENTRY
  90 _mesa_AreProgramsResidentNV(GLsizei n, const GLuint *ids,
  91                             GLboolean *residences)
  92 {
  93    GLint i, j;
  94    GLboolean allResident = GL_TRUE;
  95    GET_CURRENT_CONTEXT(ctx);
  96    ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
  97
  98    if (n < 0) {
  99       _mesa_error(ctx, GL_INVALID_VALUE, "glAreProgramsResidentNV(n)");
 100       return GL_FALSE;
 101    }
 102
 103    for (i = 0; i < n; i++) {
 104       const struct gl_program *prog;
 105       if (ids[i] == 0) {
 106          _mesa_error(ctx, GL_INVALID_VALUE, "glAreProgramsResidentNV");
 107          return GL_FALSE;
 108       }
 109       prog = _mesa_lookup_program(ctx, ids[i]);
 110       if (!prog) {
 111          _mesa_error(ctx, GL_INVALID_VALUE, "glAreProgramsResidentNV");
 112          return GL_FALSE;
 113       }
 114       if (prog->Resident) {
 115          if (!allResident)
 116             residences[i] = GL_TRUE;
 117       }
 118       else {
 119          if (allResident) {
 120             allResident = GL_FALSE;
 121             for (j = 0; j < i; j++)
 122                residences[j] = GL_TRUE;
 123          }
 124          residences[i] = GL_FALSE;
 125       }
 126    }
 127
 128    return allResident;
 129 }
 130
 131
 132 /**
 133  * Request that a set of programs be resident in hardware.
 134  * \note Called from the GL API dispatcher.
 135  */
 136 void GLAPIENTRY
 137 _mesa_RequestResidentProgramsNV(GLsizei n, const GLuint *ids)
 138 {
 139    GLint i;
 140    GET_CURRENT_CONTEXT(ctx);
 141    ASSERT_OUTSIDE_BEGIN_END(ctx);
 142
 143    if (n < 0) {
 144       _mesa_error(ctx, GL_INVALID_VALUE, "glRequestResidentProgramsNV(n)");
 145       return;
 146    }
 147
 148    /* just error checking for now */
 149    for (i = 0; i < n; i++) {
 150       struct gl_program *prog;
 151
 152       if (ids[i] == 0) {
 153          _mesa_error(ctx, GL_INVALID_VALUE, "glRequestResidentProgramsNV(id)");
 154          return;
 155       }
 156
 157       prog = _mesa_lookup_program(ctx, ids[i]);
 158       if (!prog) {
 159          _mesa_error(ctx, GL_INVALID_VALUE, "glRequestResidentProgramsNV(id)");
 160          return;
 161       }
 162
 163       /* XXX this is really a hardware thing we should hook out */
 164       prog->Resident = GL_TRUE;
 165    }
 166 }
 167
 168
 169 /**
 170  * Get a program parameter register.
 171  * \note Not compiled into display lists.
 172  * \note Called from the GL API dispatcher.
 173  */
 174 void GLAPIENTRY
 175 _mesa_GetProgramParameterfvNV(GLenum target, GLuint index,
 176                               GLenum pname, GLfloat *params)
 177 {
 178    GET_CURRENT_CONTEXT(ctx);
 179    ASSERT_OUTSIDE_BEGIN_END(ctx);
 180
 181    if (target == GL_VERTEX_PROGRAM_NV) {
 182       if (pname == GL_PROGRAM_PARAMETER_NV) {
 183          if (index < MAX_NV_VERTEX_PROGRAM_PARAMS) {
 184             COPY_4V(params, ctx->VertexProgram.Parameters[index]);
 185          }
 186          else {
 187             _mesa_error(ctx, GL_INVALID_VALUE,
 188                         "glGetProgramParameterfvNV(index)");
 189             return;
 190          }
 191       }
 192       else {
 193          _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramParameterfvNV(pname)");
 194          return;
 195       }
 196    }
 197    else {
 198       _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramParameterfvNV(target)");
 199       return;
 200    }
 201 }
 202
 203
 204 /**
 205  * Get a program parameter register.
 206  * \note Not compiled into display lists.
 207  * \note Called from the GL API dispatcher.
 208  */
 209 void GLAPIENTRY
 210 _mesa_GetProgramParameterdvNV(GLenum target, GLuint index,
 211                               GLenum pname, GLdouble *params)
 212 {
 213    GET_CURRENT_CONTEXT(ctx);
 214    ASSERT_OUTSIDE_BEGIN_END(ctx);
 215
 216    if (target == GL_VERTEX_PROGRAM_NV) {
 217       if (pname == GL_PROGRAM_PARAMETER_NV) {
 218          if (index < MAX_NV_VERTEX_PROGRAM_PARAMS) {
 219             COPY_4V(params, ctx->VertexProgram.Parameters[index]);
 220          }
 221          else {
 222             _mesa_error(ctx, GL_INVALID_VALUE,
 223                         "glGetProgramParameterdvNV(index)");
 224             return;
 225          }
 226       }
 227       else {
 228          _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramParameterdvNV(pname)");
 229          return;
 230       }
 231    }
 232    else {
 233       _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramParameterdvNV(target)");
 234       return;
 235    }
 236 }
 237
 238
 239 /**
 240  * Get a program attribute.
 241  * \note Not compiled into display lists.
 242  * \note Called from the GL API dispatcher.
 243  */
 244 void GLAPIENTRY
 245 _mesa_GetProgramivNV(GLuint id, GLenum pname, GLint *params)
 246 {
 247    struct gl_program *prog;
 248    GET_CURRENT_CONTEXT(ctx);
 249
 250    ASSERT_OUTSIDE_BEGIN_END(ctx);
 251
 252    prog = _mesa_lookup_program(ctx, id);
 253    if (!prog) {
 254       _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramivNV");
 255       return;
 256    }
 257
 258    switch (pname) {
 259       case GL_PROGRAM_TARGET_NV:
 260          *params = prog->Target;
 261          return;
 262       case GL_PROGRAM_LENGTH_NV:
 263          *params = prog->String ?(GLint)_mesa_strlen((char *) prog->String) : 0;
 264          return;
 265       case GL_PROGRAM_RESIDENT_NV:
 266          *params = prog->Resident;
 267          return;
 268       default:
 269          _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivNV(pname)");
 270          return;
 271    }
 272 }
 273
 274
 275 /**
 276  * Get the program source code.
 277  * \note Not compiled into display lists.
 278  * \note Called from the GL API dispatcher.
 279  */
 280 void GLAPIENTRY
 281 _mesa_GetProgramStringNV(GLuint id, GLenum pname, GLubyte *program)
 282 {
 283    struct gl_program *prog;
 284    GET_CURRENT_CONTEXT(ctx);
 285
 286    ASSERT_OUTSIDE_BEGIN_END(ctx);
 287
 288    if (pname != GL_PROGRAM_STRING_NV) {
 289       _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramStringNV(pname)");
 290       return;
 291    }
 292
 293    prog = _mesa_lookup_program(ctx, id);
 294    if (!prog) {
 295       _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramStringNV");
 296       return;
 297    }
 298
 299    if (prog->String) {
 300       MEMCPY(program, prog->String, _mesa_strlen((char *) prog->String));
 301    }
 302    else {
 303       program[0] = 0;
 304    }
 305 }
 306
 307
 308 /**
 309  * Get matrix tracking information.
 310  * \note Not compiled into display lists.
 311  * \note Called from the GL API dispatcher.
 312  */
 313 void GLAPIENTRY
 314 _mesa_GetTrackMatrixivNV(GLenum target, GLuint address,
 315                          GLenum pname, GLint *params)
 316 {
 317    GET_CURRENT_CONTEXT(ctx);
 318    ASSERT_OUTSIDE_BEGIN_END(ctx);
 319
 320    if (target == GL_VERTEX_PROGRAM_NV
 321        && ctx->Extensions.NV_vertex_program) {
 322       GLuint i;
 323
 324       if ((address & 0x3) || address >= MAX_NV_VERTEX_PROGRAM_PARAMS) {
 325          _mesa_error(ctx, GL_INVALID_VALUE, "glGetTrackMatrixivNV(address)");
 326          return;
 327       }
 328
 329       i = address / 4;
 330
 331       switch (pname) {
 332          case GL_TRACK_MATRIX_NV:
 333             params[0] = (GLint) ctx->VertexProgram.TrackMatrix[i];
 334             return;
 335          case GL_TRACK_MATRIX_TRANSFORM_NV:
 336             params[0] = (GLint) ctx->VertexProgram.TrackMatrixTransform[i];
 337             return;
 338          default:
 339             _mesa_error(ctx, GL_INVALID_ENUM, "glGetTrackMatrixivNV");
 340             return;
 341       }
 342    }
 343    else {
 344       _mesa_error(ctx, GL_INVALID_ENUM, "glGetTrackMatrixivNV");
 345       return;
 346    }
 347 }
 348
 349
 350 /**
 351  * Get a vertex (or vertex array) attribute.
 352  * \note Not compiled into display lists.
 353  * \note Called from the GL API dispatcher.
 354  */
 355 void GLAPIENTRY
 356 _mesa_GetVertexAttribdvNV(GLuint index, GLenum pname, GLdouble *params)
 357 {
 358    const struct gl_client_array *array;
 359    GET_CURRENT_CONTEXT(ctx);
 360    ASSERT_OUTSIDE_BEGIN_END(ctx);
 361
 362    if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
 363       _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribdvNV(index)");
 364       return;
 365    }
 366
 367    array = &ctx->Array.ArrayObj->VertexAttrib[index];
 368
 369    switch (pname) {
 370       case GL_ATTRIB_ARRAY_SIZE_NV:
 371          params[0] = array->Size;
 372          break;
 373       case GL_ATTRIB_ARRAY_STRIDE_NV:
 374          params[0] = array->Stride;
 375          break;
 376       case GL_ATTRIB_ARRAY_TYPE_NV:
 377          params[0] = array->Type;
 378          break;
 379       case GL_CURRENT_ATTRIB_NV:
 380          if (index == 0) {
 381             _mesa_error(ctx, GL_INVALID_OPERATION,
 382                         "glGetVertexAttribdvNV(index == 0)");
 383             return;
 384          }
 385          FLUSH_CURRENT(ctx, 0);
 386          COPY_4V(params, ctx->Current.Attrib[index]);
 387          break;
 388       default:
 389          _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV");
 390          return;
 391    }
 392 }
 393
 394 /**
 395  * Get a vertex (or vertex array) attribute.
 396  * \note Not compiled into display lists.
 397  * \note Called from the GL API dispatcher.
 398  */
 399 void GLAPIENTRY
 400 _mesa_GetVertexAttribfvNV(GLuint index, GLenum pname, GLfloat *params)
 401 {
 402    const struct gl_client_array *array;
 403    GET_CURRENT_CONTEXT(ctx);
 404    ASSERT_OUTSIDE_BEGIN_END(ctx);
 405
 406    if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
 407       _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribdvNV(index)");
 408       return;
 409    }
 410
 411    array = &ctx->Array.ArrayObj->VertexAttrib[index];
 412
 413    switch (pname) {
 414       case GL_ATTRIB_ARRAY_SIZE_NV:
 415          params[0] = (GLfloat) array->Size;
 416          break;
 417       case GL_ATTRIB_ARRAY_STRIDE_NV:
 418          params[0] = (GLfloat) array->Stride;
 419          break;
 420       case GL_ATTRIB_ARRAY_TYPE_NV:
 421          params[0] = (GLfloat) array->Type;
 422          break;
 423       case GL_CURRENT_ATTRIB_NV:
 424          if (index == 0) {
 425             _mesa_error(ctx, GL_INVALID_OPERATION,
 426                         "glGetVertexAttribfvNV(index == 0)");
 427             return;
 428          }
 429          FLUSH_CURRENT(ctx, 0);
 430          COPY_4V(params, ctx->Current.Attrib[index]);
 431          break;
 432       default:
 433          _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV");
 434          return;
 435    }
 436 }
 437
 438 /**
 439  * Get a vertex (or vertex array) attribute.
 440  * \note Not compiled into display lists.
 441  * \note Called from the GL API dispatcher.
 442  */
 443 void GLAPIENTRY
 444 _mesa_GetVertexAttribivNV(GLuint index, GLenum pname, GLint *params)
 445 {
 446    const struct gl_client_array *array;
 447    GET_CURRENT_CONTEXT(ctx);
 448    ASSERT_OUTSIDE_BEGIN_END(ctx);
 449
 450    if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
 451       _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribdvNV(index)");
 452       return;
 453    }
 454
 455    array = &ctx->Array.ArrayObj->VertexAttrib[index];
 456
 457    switch (pname) {
 458       case GL_ATTRIB_ARRAY_SIZE_NV:
 459          params[0] = array->Size;
 460          break;
 461       case GL_ATTRIB_ARRAY_STRIDE_NV:
 462          params[0] = array->Stride;
 463          break;
 464       case GL_ATTRIB_ARRAY_TYPE_NV:
 465          params[0] = array->Type;
 466          break;
 467       case GL_CURRENT_ATTRIB_NV:
 468          if (index == 0) {
 469             _mesa_error(ctx, GL_INVALID_OPERATION,
 470                         "glGetVertexAttribivNV(index == 0)");
 471             return;
 472          }
 473          FLUSH_CURRENT(ctx, 0);
 474          params[0] = (GLint) ctx->Current.Attrib[index][0];
 475          params[1] = (GLint) ctx->Current.Attrib[index][1];
 476          params[2] = (GLint) ctx->Current.Attrib[index][2];
 477          params[3] = (GLint) ctx->Current.Attrib[index][3];
 478          break;
 479       case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB:
 480          params[0] = array->BufferObj->Name;
 481          break;
 482       default:
 483          _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV");
 484          return;
 485    }
 486 }
 487
 488
 489 /**
 490  * Get a vertex array attribute pointer.
 491  * \note Not compiled into display lists.
 492  * \note Called from the GL API dispatcher.
 493  */
 494 void GLAPIENTRY
 495 _mesa_GetVertexAttribPointervNV(GLuint index, GLenum pname, GLvoid **pointer)
 496 {
 497    GET_CURRENT_CONTEXT(ctx);
 498    ASSERT_OUTSIDE_BEGIN_END(ctx);
 499
 500    if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
 501       _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribPointerNV(index)");
 502       return;
 503    }
 504
 505    if (pname != GL_ATTRIB_ARRAY_POINTER_NV) {
 506       _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribPointerNV(pname)");
 507       return;
 508    }
 509
 510    *pointer = (GLvoid *) ctx->Array.ArrayObj->VertexAttrib[index].Ptr;
 511 }
 512
 513 void
 514 _mesa_emit_nv_temp_initialization(GLcontext *ctx,
 515                                   struct gl_program *program)
 516 {
 517    struct prog_instruction *inst;
 518    GLuint i;
 519
 520    if (!ctx->Shader.EmitNVTempInitialization)
 521       return;
 522
 523    /* We'll swizzle up a zero temporary so we can use it for the
 524     * ARL.
 525     */
 526    if (program->NumTemporaries == 0)
 527       program->NumTemporaries = 1;
 528
 529    _mesa_insert_instructions(program, 0, program->NumTemporaries + 1);
 530
 531    for (i = 0; i < program->NumTemporaries; i++) {
 532       struct prog_instruction *inst = &program->Instructions[i];
 533
 534       inst->Opcode = OPCODE_SWZ;
 535       inst->DstReg.File = PROGRAM_TEMPORARY;
 536       inst->DstReg.Index = i;
 537       inst->DstReg.WriteMask = WRITEMASK_XYZW;
 538       inst->SrcReg[0].File = PROGRAM_TEMPORARY;
 539       inst->SrcReg[0].Index = 0;
 540       inst->SrcReg[0].Swizzle = MAKE_SWIZZLE4(SWIZZLE_ZERO,
 541                                               SWIZZLE_ZERO,
 542                                               SWIZZLE_ZERO,
 543                                               SWIZZLE_ZERO);
 544    }
 545
 546    inst = &program->Instructions[i];
 547    inst->Opcode = OPCODE_ARL;
 548    inst->DstReg.File = PROGRAM_ADDRESS;
 549    inst->DstReg.Index = 0;
 550    inst->DstReg.WriteMask = WRITEMASK_XYZW;
 551    inst->SrcReg[0].File = PROGRAM_TEMPORARY;
 552    inst->SrcReg[0].Index = 0;
 553    inst->SrcReg[0].Swizzle = SWIZZLE_XXXX;
 554
 555    if (program->NumAddressRegs == 0)
 556       program->NumAddressRegs = 1;
 557 }
 558
 559 void
 560 _mesa_setup_nv_temporary_count(GLcontext *ctx, struct gl_program *program)
 561 {
 562    GLuint i;
 563
 564    program->NumTemporaries = 0;
 565    for (i = 0; i < program->NumInstructions; i++) {
 566       struct prog_instruction *inst = &program->Instructions[i];
 567
 568       if (inst->DstReg.File == PROGRAM_TEMPORARY) {
 569          program->NumTemporaries = MAX2(program->NumTemporaries,
 570                                         inst->DstReg.Index + 1);
 571       }
 572       if (inst->SrcReg[0].File == PROGRAM_TEMPORARY) {
 573          program->NumTemporaries = MAX2(program->NumTemporaries,
 574                                         inst->SrcReg[0].Index + 1);
 575       }
 576       if (inst->SrcReg[1].File == PROGRAM_TEMPORARY) {
 577          program->NumTemporaries = MAX2(program->NumTemporaries,
 578                                         inst->SrcReg[1].Index + 1);
 579       }
 580       if (inst->SrcReg[2].File == PROGRAM_TEMPORARY) {
 581          program->NumTemporaries = MAX2(program->NumTemporaries,
 582                                         inst->SrcReg[2].Index + 1);
 583       }
 584    }
 585 }
 586
 587 /**
 588  * Load/parse/compile a program.
 589  * \note Called from the GL API dispatcher.
 590  */
 591 void GLAPIENTRY
 592 _mesa_LoadProgramNV(GLenum target, GLuint id, GLsizei len,
 593                     const GLubyte *program)
 594 {
 595    struct gl_program *prog;
 596    GET_CURRENT_CONTEXT(ctx);
 597    ASSERT_OUTSIDE_BEGIN_END(ctx);
 598
 599    if (!ctx->Extensions.NV_vertex_program
 600        && !ctx->Extensions.NV_fragment_program) {
 601       _mesa_error(ctx, GL_INVALID_OPERATION, "glLoadProgramNV()");
 602       return;
 603    }
 604
 605    if (id == 0) {
 606       _mesa_error(ctx, GL_INVALID_VALUE, "glLoadProgramNV(id)");
 607       return;
 608    }
 609
 610    if (len < 0) {
 611       _mesa_error(ctx, GL_INVALID_VALUE, "glLoadProgramNV(len)");
 612       return;
 613    }
 614
 615    FLUSH_VERTICES(ctx, _NEW_PROGRAM);
 616
 617    prog = _mesa_lookup_program(ctx, id);
 618
 619    if (prog && prog->Target != 0 && prog->Target != target) {
 620       _mesa_error(ctx, GL_INVALID_OPERATION, "glLoadProgramNV(target)");
 621       return;
 622    }
 623
 624    if ((target == GL_VERTEX_PROGRAM_NV ||
 625         target == GL_VERTEX_STATE_PROGRAM_NV)
 626        && ctx->Extensions.NV_vertex_program) {
 627       struct gl_vertex_program *vprog = (struct gl_vertex_program *) prog;
 628       if (!vprog || prog == &_mesa_DummyProgram) {
 629          vprog = (struct gl_vertex_program *)
 630             ctx->Driver.NewProgram(ctx, target, id);
 631          if (!vprog) {
 632             _mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV");
 633             return;
 634          }
 635          _mesa_HashInsert(ctx->Shared->Programs, id, vprog);
 636       }
 637
 638       if (ctx->Extensions.ARB_vertex_program
 639           && (strncmp((char *) program, "!!ARB", 5) == 0)) {
 640          _mesa_parse_arb_vertex_program(ctx, target, program, len, vprog);
 641       } else {
 642          _mesa_parse_nv_vertex_program(ctx, target, program, len, vprog);
 643       }
 644    }
 645    else if (target == GL_FRAGMENT_PROGRAM_NV
 646             && ctx->Extensions.NV_fragment_program) {
 647       struct gl_fragment_program *fprog = (struct gl_fragment_program *) prog;
 648       if (!fprog || prog == &_mesa_DummyProgram) {
 649          fprog = (struct gl_fragment_program *)
 650             ctx->Driver.NewProgram(ctx, target, id);
 651          if (!fprog) {
 652             _mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV");
 653             return;
 654          }
 655          _mesa_HashInsert(ctx->Shared->Programs, id, fprog);
 656       }
 657       _mesa_parse_nv_fragment_program(ctx, target, program, len, fprog);
 658    }
 659    else if (target == GL_FRAGMENT_PROGRAM_ARB
 660             && ctx->Extensions.ARB_fragment_program) {
 661       struct gl_fragment_program *fprog = (struct gl_fragment_program *) prog;
 662       if (!fprog || prog == &_mesa_DummyProgram) {
 663          fprog = (struct gl_fragment_program *)
 664             ctx->Driver.NewProgram(ctx, target, id);
 665          if (!fprog) {
 666             _mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV");
 667             return;
 668          }
 669          _mesa_HashInsert(ctx->Shared->Programs, id, fprog);
 670       }
 671       _mesa_parse_arb_fragment_program(ctx, target, program, len, fprog);
 672    }
 673    else {
 674       _mesa_error(ctx, GL_INVALID_ENUM, "glLoadProgramNV(target)");
 675    }
 676 }
 677
 678
 679
 680 /**
 681  * Set a sequence of program parameter registers.
 682  * \note Called from the GL API dispatcher.
 683  */
 684 void GLAPIENTRY
 685 _mesa_ProgramParameters4dvNV(GLenum target, GLuint index,
 686                              GLuint num, const GLdouble *params)
 687 {
 688    GET_CURRENT_CONTEXT(ctx);
 689    ASSERT_OUTSIDE_BEGIN_END(ctx);
 690
 691    if (target == GL_VERTEX_PROGRAM_NV && ctx->Extensions.NV_vertex_program) {
 692       GLuint i;
 693       if (index + num > MAX_NV_VERTEX_PROGRAM_PARAMS) {
 694          _mesa_error(ctx, GL_INVALID_VALUE, "glProgramParameters4dvNV");
 695          return;
 696       }
 697       for (i = 0; i < num; i++) {
 698          ctx->VertexProgram.Parameters[index + i][0] = (GLfloat) params[0];
 699          ctx->VertexProgram.Parameters[index + i][1] = (GLfloat) params[1];
 700          ctx->VertexProgram.Parameters[index + i][2] = (GLfloat) params[2];
 701          ctx->VertexProgram.Parameters[index + i][3] = (GLfloat) params[3];
 702          params += 4;
 703       };
 704    }
 705    else {
 706       _mesa_error(ctx, GL_INVALID_ENUM, "glProgramParameters4dvNV");
 707       return;
 708    }
 709 }
 710
 711
 712 /**
 713  * Set a sequence of program parameter registers.
 714  * \note Called from the GL API dispatcher.
 715  */
 716 void GLAPIENTRY
 717 _mesa_ProgramParameters4fvNV(GLenum target, GLuint index,
 718                              GLuint num, const GLfloat *params)
 719 {
 720    GET_CURRENT_CONTEXT(ctx);
 721    ASSERT_OUTSIDE_BEGIN_END(ctx);
 722
 723    if (target == GL_VERTEX_PROGRAM_NV && ctx->Extensions.NV_vertex_program) {
 724       GLuint i;
 725       if (index + num > MAX_NV_VERTEX_PROGRAM_PARAMS) {
 726          _mesa_error(ctx, GL_INVALID_VALUE, "glProgramParameters4fvNV");
 727          return;
 728       }
 729       for (i = 0; i < num; i++) {
 730          COPY_4V(ctx->VertexProgram.Parameters[index + i], params);
 731          params += 4;
 732       }
 733    }
 734    else {
 735       _mesa_error(ctx, GL_INVALID_ENUM, "glProgramParameters4fvNV");
 736       return;
 737    }
 738 }
 739
 740
 741
 742 /**
 743  * Setup tracking of matrices into program parameter registers.
 744  * \note Called from the GL API dispatcher.
 745  */
 746 void GLAPIENTRY
 747 _mesa_TrackMatrixNV(GLenum target, GLuint address,
 748                     GLenum matrix, GLenum transform)
 749 {
 750    GET_CURRENT_CONTEXT(ctx);
 751    ASSERT_OUTSIDE_BEGIN_END(ctx);
 752
 753    FLUSH_VERTICES(ctx, _NEW_PROGRAM);
 754
 755    if (target == GL_VERTEX_PROGRAM_NV && ctx->Extensions.NV_vertex_program) {
 756       if (address & 0x3) {
 757          /* addr must be multiple of four */
 758          _mesa_error(ctx, GL_INVALID_VALUE, "glTrackMatrixNV(address)");
 759          return;
 760       }
 761
 762       switch (matrix) {
 763          case GL_NONE:
 764          case GL_MODELVIEW:
 765          case GL_PROJECTION:
 766          case GL_TEXTURE:
 767          case GL_COLOR:
 768          case GL_MODELVIEW_PROJECTION_NV:
 769          case GL_MATRIX0_NV:
 770          case GL_MATRIX1_NV:
 771          case GL_MATRIX2_NV:
 772          case GL_MATRIX3_NV:
 773          case GL_MATRIX4_NV:
 774          case GL_MATRIX5_NV:
 775          case GL_MATRIX6_NV:
 776          case GL_MATRIX7_NV:
 777             /* OK, fallthrough */
 778             break;
 779          default:
 780             _mesa_error(ctx, GL_INVALID_ENUM, "glTrackMatrixNV(matrix)");
 781             return;
 782       }
 783
 784       switch (transform) {
 785          case GL_IDENTITY_NV:
 786          case GL_INVERSE_NV:
 787          case GL_TRANSPOSE_NV:
 788          case GL_INVERSE_TRANSPOSE_NV:
 789             /* OK, fallthrough */
 790             break;
 791          default:
 792             _mesa_error(ctx, GL_INVALID_ENUM, "glTrackMatrixNV(transform)");
 793             return;
 794       }
 795
 796       ctx->VertexProgram.TrackMatrix[address / 4] = matrix;
 797       ctx->VertexProgram.TrackMatrixTransform[address / 4] = transform;
 798    }
 799    else {
 800       _mesa_error(ctx, GL_INVALID_ENUM, "glTrackMatrixNV(target)");
 801       return;
 802    }
 803 }
 804
 805
 806 void GLAPIENTRY
 807 _mesa_ProgramNamedParameter4fNV(GLuint id, GLsizei len, const GLubyte *name,
 808                                 GLfloat x, GLfloat y, GLfloat z, GLfloat w)
 809 {
 810    struct gl_program *prog;
 811    struct gl_fragment_program *fragProg;
 812    GLfloat *v;
 813
 814    GET_CURRENT_CONTEXT(ctx);
 815    ASSERT_OUTSIDE_BEGIN_END(ctx);
 816
 817    FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS);
 818
 819    prog = _mesa_lookup_program(ctx, id);
 820    if (!prog || prog->Target != GL_FRAGMENT_PROGRAM_NV) {
 821       _mesa_error(ctx, GL_INVALID_OPERATION, "glProgramNamedParameterNV");
 822       return;
 823    }
 824
 825    if (len <= 0) {
 826       _mesa_error(ctx, GL_INVALID_VALUE, "glProgramNamedParameterNV(len)");
 827       return;
 828    }
 829
 830    fragProg = (struct gl_fragment_program *) prog;
 831    v = _mesa_lookup_parameter_value(fragProg->Base.Parameters, len,
 832                                     (char *) name);
 833    if (v) {
 834       v[0] = x;
 835       v[1] = y;
 836       v[2] = z;
 837       v[3] = w;
 838       return;
 839    }
 840
 841    _mesa_error(ctx, GL_INVALID_VALUE, "glProgramNamedParameterNV(name)");
 842 }
 843
 844
 845 void GLAPIENTRY
 846 _mesa_ProgramNamedParameter4fvNV(GLuint id, GLsizei len, const GLubyte *name,
 847                                  const float v[])
 848 {
 849    _mesa_ProgramNamedParameter4fNV(id, len, name, v[0], v[1], v[2], v[3]);
 850 }
 851
 852
 853 void GLAPIENTRY
 854 _mesa_ProgramNamedParameter4dNV(GLuint id, GLsizei len, const GLubyte *name,
 855                                 GLdouble x, GLdouble y, GLdouble z, GLdouble w)
 856 {
 857    _mesa_ProgramNamedParameter4fNV(id, len, name, (GLfloat)x, (GLfloat)y,
 858                                    (GLfloat)z, (GLfloat)w);
 859 }
 860
 861
 862 void GLAPIENTRY
 863 _mesa_ProgramNamedParameter4dvNV(GLuint id, GLsizei len, const GLubyte *name,
 864                                  const double v[])
 865 {
 866    _mesa_ProgramNamedParameter4fNV(id, len, name,
 867                                    (GLfloat)v[0], (GLfloat)v[1],
 868                                    (GLfloat)v[2], (GLfloat)v[3]);
 869 }
 870
 871
 872 void GLAPIENTRY
 873 _mesa_GetProgramNamedParameterfvNV(GLuint id, GLsizei len, const GLubyte *name,
 874                                    GLfloat *params)
 875 {
 876    struct gl_program *prog;
 877    struct gl_fragment_program *fragProg;
 878    const GLfloat *v;
 879
 880    GET_CURRENT_CONTEXT(ctx);
 881
 882    ASSERT_OUTSIDE_BEGIN_END(ctx);
 883
 884    prog = _mesa_lookup_program(ctx, id);
 885    if (!prog || prog->Target != GL_FRAGMENT_PROGRAM_NV) {
 886       _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramNamedParameterNV");
 887       return;
 888    }
 889
 890    if (len <= 0) {
 891       _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramNamedParameterNV");
 892       return;
 893    }
 894
 895    fragProg = (struct gl_fragment_program *) prog;
 896    v = _mesa_lookup_parameter_value(fragProg->Base.Parameters,
 897                                     len, (char *) name);
 898    if (v) {
 899       params[0] = v[0];
 900       params[1] = v[1];
 901       params[2] = v[2];
 902       params[3] = v[3];
 903       return;
 904    }
 905
 906    _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramNamedParameterNV");
 907 }
 908
 909
 910 void GLAPIENTRY
 911 _mesa_GetProgramNamedParameterdvNV(GLuint id, GLsizei len, const GLubyte *name,
 912                                    GLdouble *params)
 913 {
 914    GLfloat floatParams[4];
 915    _mesa_GetProgramNamedParameterfvNV(id, len, name, floatParams);
 916    COPY_4V(params, floatParams);
 917 }