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    if (!ctx->_CurrentProgram)
 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    if (!ctx->_CurrentProgram)
 287       ASSERT_OUTSIDE_BEGIN_END(ctx);
 288
 289    if (pname != GL_PROGRAM_STRING_NV) {
 290       _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramStringNV(pname)");
 291       return;
 292    }
 293
 294    prog = _mesa_lookup_program(ctx, id);
 295    if (!prog) {
 296       _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramStringNV");
 297       return;
 298    }
 299
 300    if (prog->String) {
 301       MEMCPY(program, prog->String, _mesa_strlen((char *) prog->String));
 302    }
 303    else {
 304       program[0] = 0;
 305    }
 306 }
 307
 308
 309 /**
 310  * Get matrix tracking information.
 311  * \note Not compiled into display lists.
 312  * \note Called from the GL API dispatcher.
 313  */
 314 void GLAPIENTRY
 315 _mesa_GetTrackMatrixivNV(GLenum target, GLuint address,
 316                          GLenum pname, GLint *params)
 317 {
 318    GET_CURRENT_CONTEXT(ctx);
 319    ASSERT_OUTSIDE_BEGIN_END(ctx);
 320
 321    if (target == GL_VERTEX_PROGRAM_NV
 322        && ctx->Extensions.NV_vertex_program) {
 323       GLuint i;
 324
 325       if ((address & 0x3) || address >= MAX_NV_VERTEX_PROGRAM_PARAMS) {
 326          _mesa_error(ctx, GL_INVALID_VALUE, "glGetTrackMatrixivNV(address)");
 327          return;
 328       }
 329
 330       i = address / 4;
 331
 332       switch (pname) {
 333          case GL_TRACK_MATRIX_NV:
 334             params[0] = (GLint) ctx->VertexProgram.TrackMatrix[i];
 335             return;
 336          case GL_TRACK_MATRIX_TRANSFORM_NV:
 337             params[0] = (GLint) ctx->VertexProgram.TrackMatrixTransform[i];
 338             return;
 339          default:
 340             _mesa_error(ctx, GL_INVALID_ENUM, "glGetTrackMatrixivNV");
 341             return;
 342       }
 343    }
 344    else {
 345       _mesa_error(ctx, GL_INVALID_ENUM, "glGetTrackMatrixivNV");
 346       return;
 347    }
 348 }
 349
 350
 351 /**
 352  * Get a vertex (or vertex array) attribute.
 353  * \note Not compiled into display lists.
 354  * \note Called from the GL API dispatcher.
 355  */
 356 void GLAPIENTRY
 357 _mesa_GetVertexAttribdvNV(GLuint index, GLenum pname, GLdouble *params)
 358 {
 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    switch (pname) {
 368       case GL_ATTRIB_ARRAY_SIZE_NV:
 369          params[0] = ctx->Array.ArrayObj->VertexAttrib[index].Size;
 370          break;
 371       case GL_ATTRIB_ARRAY_STRIDE_NV:
 372          params[0] = ctx->Array.ArrayObj->VertexAttrib[index].Stride;
 373          break;
 374       case GL_ATTRIB_ARRAY_TYPE_NV:
 375          params[0] = ctx->Array.ArrayObj->VertexAttrib[index].Type;
 376          break;
 377       case GL_CURRENT_ATTRIB_NV:
 378          if (index == 0) {
 379             _mesa_error(ctx, GL_INVALID_OPERATION,
 380                         "glGetVertexAttribdvNV(index == 0)");
 381             return;
 382          }
 383          FLUSH_CURRENT(ctx, 0);
 384          COPY_4V(params, ctx->Current.Attrib[index]);
 385          break;
 386       default:
 387          _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV");
 388          return;
 389    }
 390 }
 391
 392 /**
 393  * Get a vertex (or vertex array) attribute.
 394  * \note Not compiled into display lists.
 395  * \note Called from the GL API dispatcher.
 396  */
 397 void GLAPIENTRY
 398 _mesa_GetVertexAttribfvNV(GLuint index, GLenum pname, GLfloat *params)
 399 {
 400    GET_CURRENT_CONTEXT(ctx);
 401    ASSERT_OUTSIDE_BEGIN_END(ctx);
 402
 403    if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
 404       _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribdvNV(index)");
 405       return;
 406    }
 407
 408    switch (pname) {
 409       case GL_ATTRIB_ARRAY_SIZE_NV:
 410          params[0] = (GLfloat) ctx->Array.ArrayObj->VertexAttrib[index].Size;
 411          break;
 412       case GL_ATTRIB_ARRAY_STRIDE_NV:
 413          params[0] = (GLfloat) ctx->Array.ArrayObj->VertexAttrib[index].Stride;
 414          break;
 415       case GL_ATTRIB_ARRAY_TYPE_NV:
 416          params[0] = (GLfloat) ctx->Array.ArrayObj->VertexAttrib[index].Type;
 417          break;
 418       case GL_CURRENT_ATTRIB_NV:
 419          if (index == 0) {
 420             _mesa_error(ctx, GL_INVALID_OPERATION,
 421                         "glGetVertexAttribfvNV(index == 0)");
 422             return;
 423          }
 424          FLUSH_CURRENT(ctx, 0);
 425          COPY_4V(params, ctx->Current.Attrib[index]);
 426          break;
 427       default:
 428          _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV");
 429          return;
 430    }
 431 }
 432
 433 /**
 434  * Get a vertex (or vertex array) attribute.
 435  * \note Not compiled into display lists.
 436  * \note Called from the GL API dispatcher.
 437  */
 438 void GLAPIENTRY
 439 _mesa_GetVertexAttribivNV(GLuint index, GLenum pname, GLint *params)
 440 {
 441    GET_CURRENT_CONTEXT(ctx);
 442    ASSERT_OUTSIDE_BEGIN_END(ctx);
 443
 444    if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
 445       _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribdvNV(index)");
 446       return;
 447    }
 448
 449    switch (pname) {
 450       case GL_ATTRIB_ARRAY_SIZE_NV:
 451          params[0] = ctx->Array.ArrayObj->VertexAttrib[index].Size;
 452          break;
 453       case GL_ATTRIB_ARRAY_STRIDE_NV:
 454          params[0] = ctx->Array.ArrayObj->VertexAttrib[index].Stride;
 455          break;
 456       case GL_ATTRIB_ARRAY_TYPE_NV:
 457          params[0] = ctx->Array.ArrayObj->VertexAttrib[index].Type;
 458          break;
 459       case GL_CURRENT_ATTRIB_NV:
 460          if (index == 0) {
 461             _mesa_error(ctx, GL_INVALID_OPERATION,
 462                         "glGetVertexAttribivNV(index == 0)");
 463             return;
 464          }
 465          FLUSH_CURRENT(ctx, 0);
 466          params[0] = (GLint) ctx->Current.Attrib[index][0];
 467          params[1] = (GLint) ctx->Current.Attrib[index][1];
 468          params[2] = (GLint) ctx->Current.Attrib[index][2];
 469          params[3] = (GLint) ctx->Current.Attrib[index][3];
 470          break;
 471       case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB:
 472          params[0] = ctx->Array.ArrayObj->VertexAttrib[index].BufferObj->Name;
 473          break;
 474       default:
 475          _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribdvNV");
 476          return;
 477    }
 478 }
 479
 480
 481 /**
 482  * Get a vertex array attribute pointer.
 483  * \note Not compiled into display lists.
 484  * \note Called from the GL API dispatcher.
 485  */
 486 void GLAPIENTRY
 487 _mesa_GetVertexAttribPointervNV(GLuint index, GLenum pname, GLvoid **pointer)
 488 {
 489    GET_CURRENT_CONTEXT(ctx);
 490    ASSERT_OUTSIDE_BEGIN_END(ctx);
 491
 492    if (index >= MAX_NV_VERTEX_PROGRAM_INPUTS) {
 493       _mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribPointerNV(index)");
 494       return;
 495    }
 496
 497    if (pname != GL_ATTRIB_ARRAY_POINTER_NV) {
 498       _mesa_error(ctx, GL_INVALID_ENUM, "glGetVertexAttribPointerNV(pname)");
 499       return;
 500    }
 501
 502    *pointer = (GLvoid *) ctx->Array.ArrayObj->VertexAttrib[index].Ptr;
 503 }
 504
 505
 506
 507 /**
 508  * Load/parse/compile a program.
 509  * \note Called from the GL API dispatcher.
 510  */
 511 void GLAPIENTRY
 512 _mesa_LoadProgramNV(GLenum target, GLuint id, GLsizei len,
 513                     const GLubyte *program)
 514 {
 515    struct gl_program *prog;
 516    GET_CURRENT_CONTEXT(ctx);
 517    ASSERT_OUTSIDE_BEGIN_END(ctx);
 518
 519    if (id == 0) {
 520       _mesa_error(ctx, GL_INVALID_VALUE, "glLoadProgramNV(id)");
 521       return;
 522    }
 523
 524    if (len < 0) {
 525       _mesa_error(ctx, GL_INVALID_VALUE, "glLoadProgramNV(len)");
 526       return;
 527    }
 528
 529    FLUSH_VERTICES(ctx, _NEW_PROGRAM);
 530
 531    prog = _mesa_lookup_program(ctx, id);
 532
 533    if (prog && prog->Target != 0 && prog->Target != target) {
 534       _mesa_error(ctx, GL_INVALID_OPERATION, "glLoadProgramNV(target)");
 535       return;
 536    }
 537
 538    if ((target == GL_VERTEX_PROGRAM_NV ||
 539         target == GL_VERTEX_STATE_PROGRAM_NV)
 540        && ctx->Extensions.NV_vertex_program) {
 541       struct gl_vertex_program *vprog = (struct gl_vertex_program *) prog;
 542       if (!vprog || prog == &_mesa_DummyProgram) {
 543          vprog = (struct gl_vertex_program *)
 544             ctx->Driver.NewProgram(ctx, target, id);
 545          if (!vprog) {
 546             _mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV");
 547             return;
 548          }
 549          _mesa_HashInsert(ctx->Shared->Programs, id, vprog);
 550       }
 551       _mesa_parse_nv_vertex_program(ctx, target, program, len, vprog);
 552    }
 553    else if (target == GL_FRAGMENT_PROGRAM_NV
 554             && ctx->Extensions.NV_fragment_program) {
 555       struct gl_fragment_program *fprog = (struct gl_fragment_program *) prog;
 556       if (!fprog || prog == &_mesa_DummyProgram) {
 557          fprog = (struct gl_fragment_program *)
 558             ctx->Driver.NewProgram(ctx, target, id);
 559          if (!fprog) {
 560             _mesa_error(ctx, GL_OUT_OF_MEMORY, "glLoadProgramNV");
 561             return;
 562          }
 563          _mesa_HashInsert(ctx->Shared->Programs, id, fprog);
 564       }
 565       _mesa_parse_nv_fragment_program(ctx, target, program, len, fprog);
 566    }
 567    else {
 568       _mesa_error(ctx, GL_INVALID_ENUM, "glLoadProgramNV(target)");
 569    }
 570 }
 571
 572
 573
 574 /**
 575  * Set a sequence of program parameter registers.
 576  * \note Called from the GL API dispatcher.
 577  */
 578 void GLAPIENTRY
 579 _mesa_ProgramParameters4dvNV(GLenum target, GLuint index,
 580                              GLuint num, const GLdouble *params)
 581 {
 582    GET_CURRENT_CONTEXT(ctx);
 583    ASSERT_OUTSIDE_BEGIN_END(ctx);
 584
 585    if (target == GL_VERTEX_PROGRAM_NV && ctx->Extensions.NV_vertex_program) {
 586       GLuint i;
 587       if (index + num > MAX_NV_VERTEX_PROGRAM_PARAMS) {
 588          _mesa_error(ctx, GL_INVALID_VALUE, "glProgramParameters4dvNV");
 589          return;
 590       }
 591       for (i = 0; i < num; i++) {
 592          ctx->VertexProgram.Parameters[index + i][0] = (GLfloat) params[0];
 593          ctx->VertexProgram.Parameters[index + i][1] = (GLfloat) params[1];
 594          ctx->VertexProgram.Parameters[index + i][2] = (GLfloat) params[2];
 595          ctx->VertexProgram.Parameters[index + i][3] = (GLfloat) params[3];
 596          params += 4;
 597       };
 598    }
 599    else {
 600       _mesa_error(ctx, GL_INVALID_ENUM, "glProgramParameters4dvNV");
 601       return;
 602    }
 603 }
 604
 605
 606 /**
 607  * Set a sequence of program parameter registers.
 608  * \note Called from the GL API dispatcher.
 609  */
 610 void GLAPIENTRY
 611 _mesa_ProgramParameters4fvNV(GLenum target, GLuint index,
 612                              GLuint num, const GLfloat *params)
 613 {
 614    GET_CURRENT_CONTEXT(ctx);
 615    ASSERT_OUTSIDE_BEGIN_END(ctx);
 616
 617    if (target == GL_VERTEX_PROGRAM_NV && ctx->Extensions.NV_vertex_program) {
 618       GLuint i;
 619       if (index + num > MAX_NV_VERTEX_PROGRAM_PARAMS) {
 620          _mesa_error(ctx, GL_INVALID_VALUE, "glProgramParameters4fvNV");
 621          return;
 622       }
 623       for (i = 0; i < num; i++) {
 624          COPY_4V(ctx->VertexProgram.Parameters[index + i], params);
 625          params += 4;
 626       }
 627    }
 628    else {
 629       _mesa_error(ctx, GL_INVALID_ENUM, "glProgramParameters4fvNV");
 630       return;
 631    }
 632 }
 633
 634
 635
 636 /**
 637  * Setup tracking of matrices into program parameter registers.
 638  * \note Called from the GL API dispatcher.
 639  */
 640 void GLAPIENTRY
 641 _mesa_TrackMatrixNV(GLenum target, GLuint address,
 642                     GLenum matrix, GLenum transform)
 643 {
 644    GET_CURRENT_CONTEXT(ctx);
 645    ASSERT_OUTSIDE_BEGIN_END(ctx);
 646
 647    FLUSH_VERTICES(ctx, _NEW_PROGRAM);
 648
 649    if (target == GL_VERTEX_PROGRAM_NV && ctx->Extensions.NV_vertex_program) {
 650       if (address & 0x3) {
 651          /* addr must be multiple of four */
 652          _mesa_error(ctx, GL_INVALID_VALUE, "glTrackMatrixNV(address)");
 653          return;
 654       }
 655
 656       switch (matrix) {
 657          case GL_NONE:
 658          case GL_MODELVIEW:
 659          case GL_PROJECTION:
 660          case GL_TEXTURE:
 661          case GL_COLOR:
 662          case GL_MODELVIEW_PROJECTION_NV:
 663          case GL_MATRIX0_NV:
 664          case GL_MATRIX1_NV:
 665          case GL_MATRIX2_NV:
 666          case GL_MATRIX3_NV:
 667          case GL_MATRIX4_NV:
 668          case GL_MATRIX5_NV:
 669          case GL_MATRIX6_NV:
 670          case GL_MATRIX7_NV:
 671             /* OK, fallthrough */
 672             break;
 673          default:
 674             _mesa_error(ctx, GL_INVALID_ENUM, "glTrackMatrixNV(matrix)");
 675             return;
 676       }
 677
 678       switch (transform) {
 679          case GL_IDENTITY_NV:
 680          case GL_INVERSE_NV:
 681          case GL_TRANSPOSE_NV:
 682          case GL_INVERSE_TRANSPOSE_NV:
 683             /* OK, fallthrough */
 684             break;
 685          default:
 686             _mesa_error(ctx, GL_INVALID_ENUM, "glTrackMatrixNV(transform)");
 687             return;
 688       }
 689
 690       ctx->VertexProgram.TrackMatrix[address / 4] = matrix;
 691       ctx->VertexProgram.TrackMatrixTransform[address / 4] = transform;
 692    }
 693    else {
 694       _mesa_error(ctx, GL_INVALID_ENUM, "glTrackMatrixNV(target)");
 695       return;
 696    }
 697 }
 698
 699
 700 void GLAPIENTRY
 701 _mesa_ProgramNamedParameter4fNV(GLuint id, GLsizei len, const GLubyte *name,
 702                                 GLfloat x, GLfloat y, GLfloat z, GLfloat w)
 703 {
 704    struct gl_program *prog;
 705    struct gl_fragment_program *fragProg;
 706    GLfloat *v;
 707
 708    GET_CURRENT_CONTEXT(ctx);
 709    ASSERT_OUTSIDE_BEGIN_END(ctx);
 710
 711    FLUSH_VERTICES(ctx, _NEW_PROGRAM);
 712
 713    prog = _mesa_lookup_program(ctx, id);
 714    if (!prog || prog->Target != GL_FRAGMENT_PROGRAM_NV) {
 715       _mesa_error(ctx, GL_INVALID_OPERATION, "glProgramNamedParameterNV");
 716       return;
 717    }
 718
 719    if (len <= 0) {
 720       _mesa_error(ctx, GL_INVALID_VALUE, "glProgramNamedParameterNV(len)");
 721       return;
 722    }
 723
 724    fragProg = (struct gl_fragment_program *) prog;
 725    v = _mesa_lookup_parameter_value(fragProg->Base.Parameters, len,
 726                                     (char *) name);
 727    if (v) {
 728       v[0] = x;
 729       v[1] = y;
 730       v[2] = z;
 731       v[3] = w;
 732       return;
 733    }
 734
 735    _mesa_error(ctx, GL_INVALID_VALUE, "glProgramNamedParameterNV(name)");
 736 }
 737
 738
 739 void GLAPIENTRY
 740 _mesa_ProgramNamedParameter4fvNV(GLuint id, GLsizei len, const GLubyte *name,
 741                                  const float v[])
 742 {
 743    _mesa_ProgramNamedParameter4fNV(id, len, name, v[0], v[1], v[2], v[3]);
 744 }
 745
 746
 747 void GLAPIENTRY
 748 _mesa_ProgramNamedParameter4dNV(GLuint id, GLsizei len, const GLubyte *name,
 749                                 GLdouble x, GLdouble y, GLdouble z, GLdouble w)
 750 {
 751    _mesa_ProgramNamedParameter4fNV(id, len, name, (GLfloat)x, (GLfloat)y,
 752                                    (GLfloat)z, (GLfloat)w);
 753 }
 754
 755
 756 void GLAPIENTRY
 757 _mesa_ProgramNamedParameter4dvNV(GLuint id, GLsizei len, const GLubyte *name,
 758                                  const double v[])
 759 {
 760    _mesa_ProgramNamedParameter4fNV(id, len, name,
 761                                    (GLfloat)v[0], (GLfloat)v[1],
 762                                    (GLfloat)v[2], (GLfloat)v[3]);
 763 }
 764
 765
 766 void GLAPIENTRY
 767 _mesa_GetProgramNamedParameterfvNV(GLuint id, GLsizei len, const GLubyte *name,
 768                                    GLfloat *params)
 769 {
 770    struct gl_program *prog;
 771    struct gl_fragment_program *fragProg;
 772    const GLfloat *v;
 773
 774    GET_CURRENT_CONTEXT(ctx);
 775
 776    if (!ctx->_CurrentProgram)
 777       ASSERT_OUTSIDE_BEGIN_END(ctx);
 778
 779    prog = _mesa_lookup_program(ctx, id);
 780    if (!prog || prog->Target != GL_FRAGMENT_PROGRAM_NV) {
 781       _mesa_error(ctx, GL_INVALID_OPERATION, "glGetProgramNamedParameterNV");
 782       return;
 783    }
 784
 785    if (len <= 0) {
 786       _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramNamedParameterNV");
 787       return;
 788    }
 789
 790    fragProg = (struct gl_fragment_program *) prog;
 791    v = _mesa_lookup_parameter_value(fragProg->Base.Parameters,
 792                                     len, (char *) name);
 793    if (v) {
 794       params[0] = v[0];
 795       params[1] = v[1];
 796       params[2] = v[2];
 797       params[3] = v[3];
 798       return;
 799    }
 800
 801    _mesa_error(ctx, GL_INVALID_VALUE, "glGetProgramNamedParameterNV");
 802 }
 803
 804
 805 void GLAPIENTRY
 806 _mesa_GetProgramNamedParameterdvNV(GLuint id, GLsizei len, const GLubyte *name,
 807                                    GLdouble *params)
 808 {
 809    GLfloat floatParams[4];
 810    _mesa_GetProgramNamedParameterfvNV(id, len, name, floatParams);
 811    COPY_4V(params, floatParams);
 812 }