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 "nvprogram.h"
  51
  52
  53
  54 /**
  55  * Execute a vertex state program.
  56  * \note Called from the GL API dispatcher.
  57  */
  58 void GLAPIENTRY
  59 _mesa_ExecuteProgramNV(GLenum target, GLuint id, const GLfloat *params)
  60 {
  61    struct gl_vertex_program *vprog;
  62    GET_CURRENT_CONTEXT(ctx);
  63    ASSERT_OUTSIDE_BEGIN_END(ctx);
  64
  65    if (target != GL_VERTEX_STATE_PROGRAM_NV) {
  66       _mesa_error(ctx, GL_INVALID_ENUM, "glExecuteProgramNV");
  67       return;
  68    }
  69
  70    FLUSH_VERTICES(ctx, _NEW_PROGRAM);
  71
  72    vprog = (struct gl_vertex_program *) _mesa_lookup_program(ctx, id);
  73
  74    if (!vprog || vprog->Base.Target != GL_VERTEX_STATE_PROGRAM_NV) {
  75       _mesa_error(ctx, GL_INVALID_OPERATION, "glExecuteProgramNV");
  76       return;
  77    }
  78
  79    _mesa_problem(ctx, "glExecuteProgramNV() not supported");
  80 }
  81
  82
  83 /**
  84  * Determine if a set of programs is resident in hardware.
  85  * \note Not compiled into display lists.
  86  * \note Called from the GL API dispatcher.
  87  */
  88 GLboolean GLAPIENTRY
  89 _mesa_AreProgramsResidentNV(GLsizei n, const GLuint *ids,
  90                             GLboolean *residences)
  91 {
  92    GLint i, j;
  93    GLboolean allResident = GL_TRUE;
  94    GET_CURRENT_CONTEXT(ctx);
  95    ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
  96
  97    if (n < 0) {
  98       _mesa_error(ctx, GL_INVALID_VALUE, "glAreProgramsResidentNV(n)");
  99       return GL_FALSE;
 100    }
 101
 102    for (i = 0; i < n; i++) {
 103       const struct gl_program *prog;
 104       if (ids[i] == 0) {
 105          _mesa_error(ctx, GL_INVALID_VALUE, "glAreProgramsResidentNV");
 106          return GL_FALSE;
 107       }
 108       prog = _mesa_lookup_program(ctx, ids[i]);
 109       if (!prog) {
 110          _mesa_error(ctx, GL_INVALID_VALUE, "glAreProgramsResidentNV");
 111          return GL_FALSE;
 112       }
 113       if (prog->Resident) {
 114          if (!allResident)
 115             residences[i] = GL_TRUE;
 116       }
 117       else {
 118          if (allResident) {
 119             allResident = GL_FALSE;
 120             for (j = 0; j < i; j++)
 121                residences[j] = GL_TRUE;
 122          }
 123          residences[i] = GL_FALSE;
 124       }
 125    }
 126
 127    return allResident;
 128 }
 129
 130
 131 /**
 132  * Request that a set of programs be resident in hardware.
 133  * \note Called from the GL API dispatcher.
 134  */
 135 void GLAPIENTRY
 136 _mesa_RequestResidentProgramsNV(GLsizei n, const GLuint *ids)
 137 {
 138    GLint i;
 139    GET_CURRENT_CONTEXT(ctx);
 140    ASSERT_OUTSIDE_BEGIN_END(ctx);
 141
 142    if (n < 0) {
 143       _mesa_error(ctx, GL_INVALID_VALUE, "glRequestResidentProgramsNV(n)");
 144       return;
 145    }
 146
 147    /* just error checking for now */
 148    for (i = 0; i < n; i++) {
 149       struct gl_program *prog;
 150
 151       if (ids[i] == 0) {
 152          _mesa_error(ctx, GL_INVALID_VALUE, "glRequestResidentProgramsNV(id)");
 153          return;
 154       }
 155
 156       prog = _mesa_lookup_program(ctx, ids[i]);
 157       if (!prog) {
 158          _mesa_error(ctx, GL_INVALID_VALUE, "glRequestResidentProgramsNV(id)");
 159          return;
 160       }
 161
 162       /* XXX this is really a hardware thing we should hook out */
 163       prog->Resident = GL_TRUE;
 164    }
 165 }
 166
 167
 168 /**
 169  * Get a program parameter register.
 170  * \note Not compiled into display lists.
 171  * \note Called from the GL API dispatcher.
 172  */
 173 void GLAPIENTRY
 174 _mesa_GetProgramParameterfvNV(GLenum target, GLuint index,
 175                               GLenum pname, GLfloat *params)
 176 {
 177    GET_CURRENT_CONTEXT(ctx);
 178    ASSERT_OUTSIDE_BEGIN_END(ctx);
 179
 180    if (target == GL_VERTEX_PROGRAM_NV) {
 181       if (pname == GL_PROGRAM_PARAMETER_NV) {
 182          if (index < MAX_NV_VERTEX_PROGRAM_PARAMS) {
 183             COPY_4V(params, ctx->VertexProgram.Parameters[index]);
 184          }
 185          else {
 186             _mesa_error(ctx, GL_INVALID_VALUE,
 187                         "glGetProgramParameterfvNV(index)");
 188             return;
 189          }
 190       }
 191       else {
 192          _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramParameterfvNV(pname)");
 193          return;
 194       }
 195    }
 196    else {
 197       _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramParameterfvNV(target)");
 198       return;
 199    }
 200 }
 201
 202
 203 /**
 204  * Get a program parameter register.
 205  * \note Not compiled into display lists.
 206  * \note Called from the GL API dispatcher.
 207  */
 208 void GLAPIENTRY
 209 _mesa_GetProgramParameterdvNV(GLenum target, GLuint index,
 210                               GLenum pname, GLdouble *params)
 211 {
 212    GET_CURRENT_CONTEXT(ctx);
 213    ASSERT_OUTSIDE_BEGIN_END(ctx);
 214
 215    if (target == GL_VERTEX_PROGRAM_NV) {
 216       if (pname == GL_PROGRAM_PARAMETER_NV) {
 217          if (index < MAX_NV_VERTEX_PROGRAM_PARAMS) {
 218             COPY_4V(params, ctx->VertexProgram.Parameters[index]);
 219          }
 220          else {
 221             _mesa_error(ctx, GL_INVALID_VALUE,
 222                         "glGetProgramParameterdvNV(index)");
 223             return;
 224          }
 225       }
 226       else {
 227          _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramParameterdvNV(pname)");
 228          return;
 229       }
 230    }
 231    else {
 232       _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramParameterdvNV(target)");
 233       return;
 234    }
 235 }
 236
 237
 238 /**
 239  * Get a program attribute.
 240  * \note Not compiled into display lists.
 241  * \note Called from the GL API dispatcher.
 242  */
 243 void GLAPIENTRY
 244 _mesa_GetProgramivNV(GLuint id, GLenum pname, GLint *params)
 245 {
 246    struct gl_program *prog;
 247    GET_CURRENT_CONTEXT(ctx);
 248
 249    ASSERT_OUTSIDE_BEGIN_END(ctx);
 250
 251    prog = _mesa_lookup_program(ctx, id);
 252    if (!prog) {
 253       _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramivNV");
 254       return;
 255    }
 256
 257    switch (pname) {
 258       case GL_PROGRAM_TARGET_NV:
 259          *params = prog->Target;
 260          return;
 261       case GL_PROGRAM_LENGTH_NV:
 262          *params = prog->String ?(GLint)_mesa_strlen((char *) prog->String) : 0;
 263          return;
 264       case GL_PROGRAM_RESIDENT_NV:
 265          *params = prog->Resident;
 266          return;
 267       default:
 268          _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivNV(pname)");
 269          return;
 270    }
 271 }
 272
 273
 274 /**
 275  * Get the program source code.
 276  * \note Not compiled into display lists.
 277  * \note Called from the GL API dispatcher.
 278  */
 279 void GLAPIENTRY
 280 _mesa_GetProgramStringNV(GLuint id, GLenum pname, GLubyte *program)
 281 {
 282    struct gl_program *prog;
 283    GET_CURRENT_CONTEXT(ctx);
 284
 285    ASSERT_OUTSIDE_BEGIN_END(ctx);
 286
 287    if (pname != GL_PROGRAM_STRING_NV) {
 288       _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramStringNV(pname)");
 289       return;
 290    }
 291
 292    prog = _mesa_lookup_program(ctx, id);
 293    if (!prog) {
 294       _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramStringNV");
 295       return;
 296    }
 297
 298    if (prog->String) {
 299       MEMCPY(program, prog->String, _mesa_strlen((char *) prog->String));
 300    }
 301    else {
 302       program[0] = 0;
 303    }
 304 }
 305
 306
 307 /**
 308  * Get matrix tracking information.
 309  * \note Not compiled into display lists.
 310  * \note Called from the GL API dispatcher.
 311  */
 312 void GLAPIENTRY
 313 _mesa_GetTrackMatrixivNV(GLenum target, GLuint address,
 314                          GLenum pname, GLint *params)
 315 {
 316    GET_CURRENT_CONTEXT(ctx);
 317    ASSERT_OUTSIDE_BEGIN_END(ctx);
 318
 319    if (target == GL_VERTEX_PROGRAM_NV
 320        && ctx->Extensions.NV_vertex_program) {
 321       GLuint i;
 322
 323       if ((address & 0x3) || address >= MAX_NV_VERTEX_PROGRAM_PARAMS) {
 324          _mesa_error(ctx, GL_INVALID_VALUE, "glGetTrackMatrixivNV(address)");
 325          return;
 326       }
 327
 328       i = address / 4;
 329
 330       switch (pname) {
 331          case GL_TRACK_MATRIX_NV:
 332             params[0] = (GLint) ctx->VertexProgram.TrackMatrix[i];
 333             return;
 334          case GL_TRACK_MATRIX_TRANSFORM_NV:
 335             params[0] = (GLint) ctx->VertexProgram.TrackMatrixTransform[i];
 336             return;
 337          default:
 338             _mesa_error(ctx, GL_INVALID_ENUM, "glGetTrackMatrixivNV");
 339             return;
 340       }
 341    }
 342    else {
 343       _mesa_error(ctx, GL_INVALID_ENUM, "glGetTrackMatrixivNV");
 344       return;
 345    }
 346 }
 347
 348
 349 /**
 350  * Get a vertex (or vertex array) attribute.
 351  * \note Not compiled into display lists.
 352  * \note Called from the GL API dispatcher.
 353  */
 354 void GLAPIENTRY
 355 _mesa_GetVertexAttribdvNV(GLuint index, GLenum pname, GLdouble *params)
 356 {
 357    const struct gl_client_array *array;
 358    GET_CURRENT_CONTEXT(ctx);
 359    ASSERT_OUTSIDE_BEGIN_END(ctx);
 360
 361    if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
 362       _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribdvNV(index)");
 363       return;
 364    }
 365
 366    array = &ctx->Array.ArrayObj->VertexAttrib[index];
 367
 368    switch (pname) {
 369       case GL_ATTRIB_ARRAY_SIZE_NV:
 370          params[0] = array->Size;
 371          break;
 372       case GL_ATTRIB_ARRAY_STRIDE_NV:
 373          params[0] = array->Stride;
 374          break;
 375       case GL_ATTRIB_ARRAY_TYPE_NV:
 376          params[0] = array->Type;
 377          break;
 378       case GL_CURRENT_ATTRIB_NV:
 379          if (index == 0) {
 380             _mesa_error(ctx, GL_INVALID_OPERATION,
 381                         "glGetVertexAttribdvNV(index == 0)");
 382             return;
 383          }
 384          FLUSH_CURRENT(ctx, 0);
 385          COPY_4V(params, ctx->Current.Attrib[index]);
 386          break;
 387       default:
 388          _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV");
 389          return;
 390    }
 391 }
 392
 393 /**
 394  * Get a vertex (or vertex array) attribute.
 395  * \note Not compiled into display lists.
 396  * \note Called from the GL API dispatcher.
 397  */
 398 void GLAPIENTRY
 399 _mesa_GetVertexAttribfvNV(GLuint index, GLenum pname, GLfloat *params)
 400 {
 401    const struct gl_client_array *array;
 402    GET_CURRENT_CONTEXT(ctx);
 403    ASSERT_OUTSIDE_BEGIN_END(ctx);
 404
 405    if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
 406       _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribdvNV(index)");
 407       return;
 408    }
 409
 410    array = &ctx->Array.ArrayObj->VertexAttrib[index];
 411
 412    switch (pname) {
 413       case GL_ATTRIB_ARRAY_SIZE_NV:
 414          params[0] = (GLfloat) array->Size;
 415          break;
 416       case GL_ATTRIB_ARRAY_STRIDE_NV:
 417          params[0] = (GLfloat) array->Stride;
 418          break;
 419       case GL_ATTRIB_ARRAY_TYPE_NV:
 420          params[0] = (GLfloat) array->Type;
 421          break;
 422       case GL_CURRENT_ATTRIB_NV:
 423          if (index == 0) {
 424             _mesa_error(ctx, GL_INVALID_OPERATION,
 425                         "glGetVertexAttribfvNV(index == 0)");
 426             return;
 427          }
 428          FLUSH_CURRENT(ctx, 0);
 429          COPY_4V(params, ctx->Current.Attrib[index]);
 430          break;
 431       default:
 432          _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV");
 433          return;
 434    }
 435 }
 436
 437 /**
 438  * Get a vertex (or vertex array) attribute.
 439  * \note Not compiled into display lists.
 440  * \note Called from the GL API dispatcher.
 441  */
 442 void GLAPIENTRY
 443 _mesa_GetVertexAttribivNV(GLuint index, GLenum pname, GLint *params)
 444 {
 445    const struct gl_client_array *array;
 446    GET_CURRENT_CONTEXT(ctx);
 447    ASSERT_OUTSIDE_BEGIN_END(ctx);
 448
 449    if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
 450       _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribdvNV(index)");
 451       return;
 452    }
 453
 454    array = &ctx->Array.ArrayObj->VertexAttrib[index];
 455
 456    switch (pname) {
 457       case GL_ATTRIB_ARRAY_SIZE_NV:
 458          params[0] = array->Size;
 459          break;
 460       case GL_ATTRIB_ARRAY_STRIDE_NV:
 461          params[0] = array->Stride;
 462          break;
 463       case GL_ATTRIB_ARRAY_TYPE_NV:
 464          params[0] = array->Type;
 465          break;
 466       case GL_CURRENT_ATTRIB_NV:
 467          if (index == 0) {
 468             _mesa_error(ctx, GL_INVALID_OPERATION,
 469                         "glGetVertexAttribivNV(index == 0)");
 470             return;
 471          }
 472          FLUSH_CURRENT(ctx, 0);
 473          params[0] = (GLint) ctx->Current.Attrib[index][0];
 474          params[1] = (GLint) ctx->Current.Attrib[index][1];
 475          params[2] = (GLint) ctx->Current.Attrib[index][2];
 476          params[3] = (GLint) ctx->Current.Attrib[index][3];
 477          break;
 478       case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB:
 479          params[0] = array->BufferObj->Name;
 480          break;
 481       default:
 482          _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV");
 483          return;
 484    }
 485 }
 486
 487
 488 /**
 489  * Get a vertex array attribute pointer.
 490  * \note Not compiled into display lists.
 491  * \note Called from the GL API dispatcher.
 492  */
 493 void GLAPIENTRY
 494 _mesa_GetVertexAttribPointervNV(GLuint index, GLenum pname, GLvoid **pointer)
 495 {
 496    GET_CURRENT_CONTEXT(ctx);
 497    ASSERT_OUTSIDE_BEGIN_END(ctx);
 498
 499    if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
 500       _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribPointerNV(index)");
 501       return;
 502    }
 503
 504    if (pname != GL_ATTRIB_ARRAY_POINTER_NV) {
 505       _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribPointerNV(pname)");
 506       return;
 507    }
 508
 509    *pointer = (GLvoid *) ctx->Array.ArrayObj->VertexAttrib[index].Ptr;
 510 }
 511
 512
 513
 514 /**
 515  * Load/parse/compile a program.
 516  * \note Called from the GL API dispatcher.
 517  */
 518 void GLAPIENTRY
 519 _mesa_LoadProgramNV(GLenum target, GLuint id, GLsizei len,
 520                     const GLubyte *program)
 521 {
 522    struct gl_program *prog;
 523    GET_CURRENT_CONTEXT(ctx);
 524    ASSERT_OUTSIDE_BEGIN_END(ctx);
 525
 526    if (id == 0) {
 527       _mesa_error(ctx, GL_INVALID_VALUE, "glLoadProgramNV(id)");
 528       return;
 529    }
 530
 531    if (len < 0) {
 532       _mesa_error(ctx, GL_INVALID_VALUE, "glLoadProgramNV(len)");
 533       return;
 534    }
 535
 536    FLUSH_VERTICES(ctx, _NEW_PROGRAM);
 537
 538    prog = _mesa_lookup_program(ctx, id);
 539
 540    if (prog && prog->Target != 0 && prog->Target != target) {
 541       _mesa_error(ctx, GL_INVALID_OPERATION, "glLoadProgramNV(target)");
 542       return;
 543    }
 544
 545    if ((target == GL_VERTEX_PROGRAM_NV ||
 546         target == GL_VERTEX_STATE_PROGRAM_NV)
 547        && ctx->Extensions.NV_vertex_program) {
 548       struct gl_vertex_program *vprog = (struct gl_vertex_program *) prog;
 549       if (!vprog || prog == &_mesa_DummyProgram) {
 550          vprog = (struct gl_vertex_program *)
 551             ctx->Driver.NewProgram(ctx, target, id);
 552          if (!vprog) {
 553             _mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV");
 554             return;
 555          }
 556          _mesa_HashInsert(ctx->Shared->Programs, id, vprog);
 557       }
 558       _mesa_parse_nv_vertex_program(ctx, target, program, len, vprog);
 559    }
 560    else if (target == GL_FRAGMENT_PROGRAM_NV
 561             && ctx->Extensions.NV_fragment_program) {
 562       struct gl_fragment_program *fprog = (struct gl_fragment_program *) prog;
 563       if (!fprog || prog == &_mesa_DummyProgram) {
 564          fprog = (struct gl_fragment_program *)
 565             ctx->Driver.NewProgram(ctx, target, id);
 566          if (!fprog) {
 567             _mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV");
 568             return;
 569          }
 570          _mesa_HashInsert(ctx->Shared->Programs, id, fprog);
 571       }
 572       _mesa_parse_nv_fragment_program(ctx, target, program, len, fprog);
 573    }
 574    else {
 575       _mesa_error(ctx, GL_INVALID_ENUM, "glLoadProgramNV(target)");
 576    }
 577 }
 578
 579
 580
 581 /**
 582  * Set a sequence of program parameter registers.
 583  * \note Called from the GL API dispatcher.
 584  */
 585 void GLAPIENTRY
 586 _mesa_ProgramParameters4dvNV(GLenum target, GLuint index,
 587                              GLuint num, const GLdouble *params)
 588 {
 589    GET_CURRENT_CONTEXT(ctx);
 590    ASSERT_OUTSIDE_BEGIN_END(ctx);
 591
 592    if (target == GL_VERTEX_PROGRAM_NV && ctx->Extensions.NV_vertex_program) {
 593       GLuint i;
 594       if (index + num > MAX_NV_VERTEX_PROGRAM_PARAMS) {
 595          _mesa_error(ctx, GL_INVALID_VALUE, "glProgramParameters4dvNV");
 596          return;
 597       }
 598       for (i = 0; i < num; i++) {
 599          ctx->VertexProgram.Parameters[index + i][0] = (GLfloat) params[0];
 600          ctx->VertexProgram.Parameters[index + i][1] = (GLfloat) params[1];
 601          ctx->VertexProgram.Parameters[index + i][2] = (GLfloat) params[2];
 602          ctx->VertexProgram.Parameters[index + i][3] = (GLfloat) params[3];
 603          params += 4;
 604       };
 605    }
 606    else {
 607       _mesa_error(ctx, GL_INVALID_ENUM, "glProgramParameters4dvNV");
 608       return;
 609    }
 610 }
 611
 612
 613 /**
 614  * Set a sequence of program parameter registers.
 615  * \note Called from the GL API dispatcher.
 616  */
 617 void GLAPIENTRY
 618 _mesa_ProgramParameters4fvNV(GLenum target, GLuint index,
 619                              GLuint num, const GLfloat *params)
 620 {
 621    GET_CURRENT_CONTEXT(ctx);
 622    ASSERT_OUTSIDE_BEGIN_END(ctx);
 623
 624    if (target == GL_VERTEX_PROGRAM_NV && ctx->Extensions.NV_vertex_program) {
 625       GLuint i;
 626       if (index + num > MAX_NV_VERTEX_PROGRAM_PARAMS) {
 627          _mesa_error(ctx, GL_INVALID_VALUE, "glProgramParameters4fvNV");
 628          return;
 629       }
 630       for (i = 0; i < num; i++) {
 631          COPY_4V(ctx->VertexProgram.Parameters[index + i], params);
 632          params += 4;
 633       }
 634    }
 635    else {
 636       _mesa_error(ctx, GL_INVALID_ENUM, "glProgramParameters4fvNV");
 637       return;
 638    }
 639 }
 640
 641
 642
 643 /**
 644  * Setup tracking of matrices into program parameter registers.
 645  * \note Called from the GL API dispatcher.
 646  */
 647 void GLAPIENTRY
 648 _mesa_TrackMatrixNV(GLenum target, GLuint address,
 649                     GLenum matrix, GLenum transform)
 650 {
 651    GET_CURRENT_CONTEXT(ctx);
 652    ASSERT_OUTSIDE_BEGIN_END(ctx);
 653
 654    FLUSH_VERTICES(ctx, _NEW_PROGRAM);
 655
 656    if (target == GL_VERTEX_PROGRAM_NV && ctx->Extensions.NV_vertex_program) {
 657       if (address & 0x3) {
 658          /* addr must be multiple of four */
 659          _mesa_error(ctx, GL_INVALID_VALUE, "glTrackMatrixNV(address)");
 660          return;
 661       }
 662
 663       switch (matrix) {
 664          case GL_NONE:
 665          case GL_MODELVIEW:
 666          case GL_PROJECTION:
 667          case GL_TEXTURE:
 668          case GL_COLOR:
 669          case GL_MODELVIEW_PROJECTION_NV:
 670          case GL_MATRIX0_NV:
 671          case GL_MATRIX1_NV:
 672          case GL_MATRIX2_NV:
 673          case GL_MATRIX3_NV:
 674          case GL_MATRIX4_NV:
 675          case GL_MATRIX5_NV:
 676          case GL_MATRIX6_NV:
 677          case GL_MATRIX7_NV:
 678             /* OK, fallthrough */
 679             break;
 680          default:
 681             _mesa_error(ctx, GL_INVALID_ENUM, "glTrackMatrixNV(matrix)");
 682             return;
 683       }
 684
 685       switch (transform) {
 686          case GL_IDENTITY_NV:
 687          case GL_INVERSE_NV:
 688          case GL_TRANSPOSE_NV:
 689          case GL_INVERSE_TRANSPOSE_NV:
 690             /* OK, fallthrough */
 691             break;
 692          default:
 693             _mesa_error(ctx, GL_INVALID_ENUM, "glTrackMatrixNV(transform)");
 694             return;
 695       }
 696
 697       ctx->VertexProgram.TrackMatrix[address / 4] = matrix;
 698       ctx->VertexProgram.TrackMatrixTransform[address / 4] = transform;
 699    }
 700    else {
 701       _mesa_error(ctx, GL_INVALID_ENUM, "glTrackMatrixNV(target)");
 702       return;
 703    }
 704 }
 705
 706
 707 void GLAPIENTRY
 708 _mesa_ProgramNamedParameter4fNV(GLuint id, GLsizei len, const GLubyte *name,
 709                                 GLfloat x, GLfloat y, GLfloat z, GLfloat w)
 710 {
 711    struct gl_program *prog;
 712    struct gl_fragment_program *fragProg;
 713    GLfloat *v;
 714
 715    GET_CURRENT_CONTEXT(ctx);
 716    ASSERT_OUTSIDE_BEGIN_END(ctx);
 717
 718    FLUSH_VERTICES(ctx, _NEW_PROGRAM_CONSTANTS);
 719
 720    prog = _mesa_lookup_program(ctx, id);
 721    if (!prog || prog->Target != GL_FRAGMENT_PROGRAM_NV) {
 722       _mesa_error(ctx, GL_INVALID_OPERATION, "glProgramNamedParameterNV");
 723       return;
 724    }
 725
 726    if (len <= 0) {
 727       _mesa_error(ctx, GL_INVALID_VALUE, "glProgramNamedParameterNV(len)");
 728       return;
 729    }
 730
 731    fragProg = (struct gl_fragment_program *) prog;
 732    v = _mesa_lookup_parameter_value(fragProg->Base.Parameters, len,
 733                                     (char *) name);
 734    if (v) {
 735       v[0] = x;
 736       v[1] = y;
 737       v[2] = z;
 738       v[3] = w;
 739       return;
 740    }
 741
 742    _mesa_error(ctx, GL_INVALID_VALUE, "glProgramNamedParameterNV(name)");
 743 }
 744
 745
 746 void GLAPIENTRY
 747 _mesa_ProgramNamedParameter4fvNV(GLuint id, GLsizei len, const GLubyte *name,
 748                                  const float v[])
 749 {
 750    _mesa_ProgramNamedParameter4fNV(id, len, name, v[0], v[1], v[2], v[3]);
 751 }
 752
 753
 754 void GLAPIENTRY
 755 _mesa_ProgramNamedParameter4dNV(GLuint id, GLsizei len, const GLubyte *name,
 756                                 GLdouble x, GLdouble y, GLdouble z, GLdouble w)
 757 {
 758    _mesa_ProgramNamedParameter4fNV(id, len, name, (GLfloat)x, (GLfloat)y,
 759                                    (GLfloat)z, (GLfloat)w);
 760 }
 761
 762
 763 void GLAPIENTRY
 764 _mesa_ProgramNamedParameter4dvNV(GLuint id, GLsizei len, const GLubyte *name,
 765                                  const double v[])
 766 {
 767    _mesa_ProgramNamedParameter4fNV(id, len, name,
 768                                    (GLfloat)v[0], (GLfloat)v[1],
 769                                    (GLfloat)v[2], (GLfloat)v[3]);
 770 }
 771
 772
 773 void GLAPIENTRY
 774 _mesa_GetProgramNamedParameterfvNV(GLuint id, GLsizei len, const GLubyte *name,
 775                                    GLfloat *params)
 776 {
 777    struct gl_program *prog;
 778    struct gl_fragment_program *fragProg;
 779    const GLfloat *v;
 780
 781    GET_CURRENT_CONTEXT(ctx);
 782
 783    ASSERT_OUTSIDE_BEGIN_END(ctx);
 784
 785    prog = _mesa_lookup_program(ctx, id);
 786    if (!prog || prog->Target != GL_FRAGMENT_PROGRAM_NV) {
 787       _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramNamedParameterNV");
 788       return;
 789    }
 790
 791    if (len <= 0) {
 792       _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramNamedParameterNV");
 793       return;
 794    }
 795
 796    fragProg = (struct gl_fragment_program *) prog;
 797    v = _mesa_lookup_parameter_value(fragProg->Base.Parameters,
 798                                     len, (char *) name);
 799    if (v) {
 800       params[0] = v[0];
 801       params[1] = v[1];
 802       params[2] = v[2];
 803       params[3] = v[3];
 804       return;
 805    }
 806
 807    _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramNamedParameterNV");
 808 }
 809
 810
 811 void GLAPIENTRY
 812 _mesa_GetProgramNamedParameterdvNV(GLuint id, GLsizei len, const GLubyte *name,
 813                                    GLdouble *params)
 814 {
 815    GLfloat floatParams[4];
 816    _mesa_GetProgramNamedParameterfvNV(id, len, name, floatParams);
 817    COPY_4V(params, floatParams);
 818 }