src/mesa/drivers/dri/r600/r700_vertprog.c

   1 /*
   2  * Copyright (C) 2008-2009  Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included
  12  * in all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  15  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  18  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  19  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20  */
  21
  22 /*
  23  * Authors:
  24  *   Richard Li <RichardZ.Li@amd.com>, <richardradeon@gmail.com>
  25  */
  26
  27
  28 #include <stdio.h>
  29 #include <stdarg.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32 #include <math.h>
  33
  34 #include "main/imports.h"
  35 #include "main/mtypes.h"
  36
  37 #include "tnl/t_context.h"
  38 #include "shader/program.h"
  39 #include "shader/prog_parameter.h"
  40 #include "shader/prog_statevars.h"
  41
  42 #include "radeon_debug.h"
  43 #include "r600_context.h"
  44 #include "r600_cmdbuf.h"
  45 #include "shader/programopt.c"
  46
  47 #include "r700_debug.h"
  48 #include "r700_vertprog.h"
  49
  50 unsigned int Map_Vertex_Output(r700_AssemblerBase       *pAsm,
  51                                                    struct gl_vertex_program *mesa_vp,
  52                                                    unsigned int unStart)
  53 {
  54     unsigned int i;
  55         unsigned int unBit;
  56         unsigned int unTotal = unStart;
  57
  58     //!!!!!!! THE ORDER MATCH FS INPUT
  59
  60         unBit = 1 << VERT_RESULT_HPOS;
  61         if(mesa_vp->Base.OutputsWritten & unBit)
  62         {
  63                 pAsm->ucVP_OutputMap[VERT_RESULT_HPOS] = unTotal++;
  64         }
  65
  66         unBit = 1 << VERT_RESULT_COL0;
  67         if(mesa_vp->Base.OutputsWritten & unBit)
  68         {
  69                 pAsm->ucVP_OutputMap[VERT_RESULT_COL0] = unTotal++;
  70         }
  71
  72         unBit = 1 << VERT_RESULT_COL1;
  73         if(mesa_vp->Base.OutputsWritten & unBit)
  74         {
  75                 pAsm->ucVP_OutputMap[VERT_RESULT_COL1] = unTotal++;
  76         }
  77
  78         //TODO : dealing back face.
  79         unBit = 1 << VERT_RESULT_BFC0;
  80         if(mesa_vp->Base.OutputsWritten & unBit)
  81         {
  82                 pAsm->ucVP_OutputMap[VERT_RESULT_BFC0] = unTotal++;
  83         }
  84
  85         unBit = 1 << VERT_RESULT_BFC1;
  86         if(mesa_vp->Base.OutputsWritten & unBit)
  87         {
  88                 pAsm->ucVP_OutputMap[VERT_RESULT_BFC1] = unTotal++;
  89         }
  90
  91         //TODO : dealing fog.
  92         unBit = 1 << VERT_RESULT_FOGC;
  93         if(mesa_vp->Base.OutputsWritten & unBit)
  94         {
  95                 pAsm->ucVP_OutputMap[VERT_RESULT_FOGC] = unTotal++;
  96         }
  97
  98         //TODO : dealing point size.
  99         unBit = 1 << VERT_RESULT_PSIZ;
 100         if(mesa_vp->Base.OutputsWritten & unBit)
 101         {
 102                 pAsm->ucVP_OutputMap[VERT_RESULT_PSIZ] = unTotal++;
 103         }
 104
 105         for(i=0; i<8; i++)
 106         {
 107                 unBit = 1 << (VERT_RESULT_TEX0 + i);
 108                 if(mesa_vp->Base.OutputsWritten & unBit)
 109                 {
 110                         pAsm->ucVP_OutputMap[VERT_RESULT_TEX0 + i] = unTotal++;
 111                 }
 112         }
 113
 114     for(i=VERT_RESULT_VAR0; i<VERT_RESULT_MAX; i++)
 115         {
 116                 unBit = 1 << i;
 117                 if(mesa_vp->Base.OutputsWritten & unBit)
 118                 {
 119                         pAsm->ucVP_OutputMap[i] = unTotal++;
 120                 }
 121         }
 122
 123         return (unTotal - unStart);
 124 }
 125
 126 unsigned int Map_Vertex_Input(r700_AssemblerBase       *pAsm,
 127                                           struct gl_vertex_program *mesa_vp,
 128                                           unsigned int unStart)
 129 {
 130         int i;
 131         unsigned int unBit;
 132         unsigned int unTotal = unStart;
 133         for(i=0; i<VERT_ATTRIB_MAX; i++)
 134         {
 135                 unBit = 1 << i;
 136                 if(mesa_vp->Base.InputsRead & unBit)
 137                 {
 138                         pAsm->ucVP_AttributeMap[i] = unTotal++;
 139                 }
 140         }
 141         return (unTotal - unStart);
 142 }
 143
 144 GLboolean Process_Vertex_Program_Vfetch_Instructions(
 145                                                 struct r700_vertex_program *vp,
 146                                                 struct gl_vertex_program   *mesa_vp)
 147 {
 148         int i;
 149     unsigned int unBit;
 150         VTX_FETCH_METHOD vtxFetchMethod;
 151         vtxFetchMethod.bEnableMini          = GL_FALSE;
 152         vtxFetchMethod.mega_fetch_remainder = 0;
 153
 154         for(i=0; i<VERT_ATTRIB_MAX; i++)
 155         {
 156                 unBit = 1 << i;
 157                 if(mesa_vp->Base.InputsRead & unBit)
 158                 {
 159                         assemble_vfetch_instruction(&vp->r700AsmCode,
 160                                                     i,
 161                                                     vp->r700AsmCode.ucVP_AttributeMap[i],
 162                                                     vp->aos_desc[i].size,
 163                                                     vp->aos_desc[i].type,
 164                                                     &vtxFetchMethod);
 165                 }
 166         }
 167
 168         return GL_TRUE;
 169 }
 170
 171 GLboolean Process_Vertex_Program_Vfetch_Instructions2(
 172     GLcontext *ctx,
 173         struct r700_vertex_program *vp,
 174         struct gl_vertex_program   *mesa_vp)
 175 {
 176     int i;
 177     context_t *context = R700_CONTEXT(ctx);
 178
 179     VTX_FETCH_METHOD vtxFetchMethod;
 180         vtxFetchMethod.bEnableMini          = GL_FALSE;
 181         vtxFetchMethod.mega_fetch_remainder = 0;
 182
 183     for(i=0; i<context->nNumActiveAos; i++)
 184     {
 185         assemble_vfetch_instruction2(&vp->r700AsmCode,
 186                                       vp->r700AsmCode.ucVP_AttributeMap[context->stream_desc[i].element],
 187                                       context->stream_desc[i].type,
 188                                       context->stream_desc[i].size,
 189                                       context->stream_desc[i].element,
 190                                       context->stream_desc[i]._signed,
 191                                       context->stream_desc[i].normalize,
 192                                      &vtxFetchMethod);
 193     }
 194
 195     return GL_TRUE;
 196 }
 197
 198 void Map_Vertex_Program(GLcontext *ctx,
 199                         struct r700_vertex_program *vp,
 200                                                 struct gl_vertex_program   *mesa_vp)
 201 {
 202     GLuint ui;
 203     r700_AssemblerBase *pAsm = &(vp->r700AsmCode);
 204         unsigned int num_inputs;
 205
 206         // R0 will always be used for index into vertex buffer
 207         pAsm->number_used_registers = 1;
 208         pAsm->starting_vfetch_register_number = pAsm->number_used_registers;
 209
 210     // Map Inputs: Add 1 to mapping since R0 is used for index
 211         num_inputs = Map_Vertex_Input(pAsm, mesa_vp, pAsm->number_used_registers);
 212         pAsm->number_used_registers += num_inputs;
 213
 214         // Create VFETCH instructions for inputs
 215         if (GL_TRUE != Process_Vertex_Program_Vfetch_Instructions2(ctx, vp, mesa_vp) )
 216         {
 217                 radeon_error("Calling Process_Vertex_Program_Vfetch_Instructions2 return error. \n");
 218                 return;
 219         }
 220
 221         // Map Outputs
 222         pAsm->number_of_exports = Map_Vertex_Output(pAsm, mesa_vp, pAsm->number_used_registers);
 223
 224         pAsm->starting_export_register_number = pAsm->number_used_registers;
 225
 226         pAsm->number_used_registers += pAsm->number_of_exports;
 227
 228     pAsm->pucOutMask = (unsigned char*) MALLOC(pAsm->number_of_exports);
 229
 230     for(ui=0; ui<pAsm->number_of_exports; ui++)
 231     {
 232         pAsm->pucOutMask[ui] = 0x0;
 233     }
 234
 235     /* Map temporary registers (GPRs) */
 236     pAsm->starting_temp_register_number = pAsm->number_used_registers;
 237
 238     if(mesa_vp->Base.NumNativeTemporaries >= mesa_vp->Base.NumTemporaries)
 239     {   /* arb uses NumNativeTemporaries */
 240         pAsm->number_used_registers += mesa_vp->Base.NumNativeTemporaries;
 241     }
 242     else
 243     {   /* fix func t_vp uses NumTemporaries */
 244         pAsm->number_used_registers += mesa_vp->Base.NumTemporaries;
 245     }
 246
 247     pAsm->flag_reg_index = pAsm->number_used_registers++;
 248
 249     pAsm->uFirstHelpReg = pAsm->number_used_registers;
 250 }
 251
 252 GLboolean Find_Instruction_Dependencies_vp(struct r700_vertex_program *vp,
 253                                                                 struct gl_vertex_program   *mesa_vp)
 254 {
 255     GLuint i, j;
 256     GLint * puiTEMPwrites;
 257     struct prog_instruction *pILInst;
 258     InstDeps         *pInstDeps;
 259
 260     puiTEMPwrites = (GLint*) MALLOC(sizeof(GLuint)*mesa_vp->Base.NumTemporaries);
 261     for(i=0; i<mesa_vp->Base.NumTemporaries; i++)
 262     {
 263         puiTEMPwrites[i] = -1;
 264     }
 265
 266     pInstDeps = (InstDeps*)MALLOC(sizeof(InstDeps)*mesa_vp->Base.NumInstructions);
 267
 268     for(i=0; i<mesa_vp->Base.NumInstructions; i++)
 269     {
 270         pInstDeps[i].nDstDep = -1;
 271         pILInst = &(mesa_vp->Base.Instructions[i]);
 272
 273         //Dst
 274         if(pILInst->DstReg.File == PROGRAM_TEMPORARY)
 275         {
 276             //Set lastwrite for the temp
 277             puiTEMPwrites[pILInst->DstReg.Index] = i;
 278         }
 279
 280         //Src
 281         for(j=0; j<3; j++)
 282         {
 283             if(pILInst->SrcReg[j].File == PROGRAM_TEMPORARY)
 284             {
 285                 //Set dep.
 286                 pInstDeps[i].nSrcDeps[j] = puiTEMPwrites[pILInst->SrcReg[j].Index];
 287             }
 288             else
 289             {
 290                 pInstDeps[i].nSrcDeps[j] = -1;
 291             }
 292         }
 293     }
 294
 295     vp->r700AsmCode.pInstDeps = pInstDeps;
 296
 297     FREE(puiTEMPwrites);
 298
 299     return GL_TRUE;
 300 }
 301
 302 struct r700_vertex_program* r700TranslateVertexShader(GLcontext *ctx,
 303                                                       struct gl_vertex_program *mesa_vp)
 304 {
 305         context_t *context = R700_CONTEXT(ctx);
 306         struct r700_vertex_program *vp;
 307         unsigned int i;
 308
 309         vp = _mesa_calloc(sizeof(*vp));
 310         vp->mesa_program = (struct gl_vertex_program *)_mesa_clone_program(ctx, &mesa_vp->Base);
 311
 312         if (mesa_vp->IsPositionInvariant)
 313         {
 314                 _mesa_insert_mvp_code(ctx, vp->mesa_program);
 315         }
 316
 317         for(i=0; i<context->nNumActiveAos; i++)
 318         {
 319                 vp->aos_desc[i].size   = context->stream_desc[i].size;
 320                 vp->aos_desc[i].stride = context->stream_desc[i].stride;
 321                 vp->aos_desc[i].type   = context->stream_desc[i].type;
 322         }
 323
 324         if (context->radeon.radeonScreen->chip_family < CHIP_FAMILY_RV770)
 325         {
 326                 vp->r700AsmCode.bR6xx = 1;
 327         }
 328
 329         //Init_Program
 330         Init_r700_AssemblerBase(SPT_VP, &(vp->r700AsmCode), &(vp->r700Shader) );
 331         Map_Vertex_Program(ctx, vp, vp->mesa_program );
 332
 333         if(GL_FALSE == Find_Instruction_Dependencies_vp(vp, vp->mesa_program))
 334         {
 335                 return NULL;
 336         }
 337
 338     InitShaderProgram(&(vp->r700AsmCode));
 339
 340         if(GL_FALSE == AssembleInstr(0,
 341                                  vp->mesa_program->Base.NumInstructions,
 342                                  &(vp->mesa_program->Base.Instructions[0]),
 343                                  &(vp->r700AsmCode)) )
 344         {
 345                 return NULL;
 346         }
 347
 348     if(GL_FALSE == Process_Vertex_Exports(&(vp->r700AsmCode), vp->mesa_program->Base.OutputsWritten) )
 349     {
 350         return NULL;
 351     }
 352
 353     if( GL_FALSE == RelocProgram(&(vp->r700AsmCode)) )
 354     {
 355         return GL_FALSE;
 356     }
 357
 358     vp->r700Shader.nRegs = (vp->r700AsmCode.number_used_registers == 0) ? 0
 359                          : (vp->r700AsmCode.number_used_registers - 1);
 360
 361         vp->r700Shader.nParamExports = vp->r700AsmCode.number_of_exports;
 362
 363     vp->translated = GL_TRUE;
 364
 365         return vp;
 366 }
 367
 368 void r700SelectVertexShader(GLcontext *ctx)
 369 {
 370     context_t *context = R700_CONTEXT(ctx);
 371     struct r700_vertex_program_cont *vpc;
 372     struct r700_vertex_program *vp;
 373     unsigned int i;
 374     GLboolean match;
 375     GLbitfield InputsRead;
 376
 377     vpc = (struct r700_vertex_program_cont *)ctx->VertexProgram._Current;
 378
 379     InputsRead = vpc->mesa_program.Base.InputsRead;
 380     if (vpc->mesa_program.IsPositionInvariant)
 381     {
 382         InputsRead |= VERT_BIT_POS;
 383     }
 384
 385     for (vp = vpc->progs; vp; vp = vp->next)
 386     {
 387         match = GL_TRUE;
 388         for(i=0; i<context->nNumActiveAos; i++)
 389         {
 390                 if (vp->aos_desc[i].size != context->stream_desc[i].size)
 391                 {
 392                         match = GL_FALSE;
 393                         break;
 394                 }
 395         }
 396         if (match)
 397         {
 398                 context->selected_vp = vp;
 399                 return;
 400         }
 401     }
 402
 403     vp = r700TranslateVertexShader(ctx, &(vpc->mesa_program));
 404     if(!vp)
 405     {
 406         radeon_error("Failed to translate vertex shader. \n");
 407         return;
 408     }
 409     vp->next = vpc->progs;
 410     vpc->progs = vp;
 411     context->selected_vp = vp;
 412     return;
 413 }
 414
 415 int getTypeSize(GLenum type)
 416 {
 417     switch (type)
 418     {
 419     case GL_DOUBLE:
 420         return sizeof(GLdouble);
 421     case GL_FLOAT:
 422         return sizeof(GLfloat);
 423     case GL_INT:
 424         return sizeof(GLint);
 425     case GL_UNSIGNED_INT:
 426         return sizeof(GLuint);
 427     case GL_SHORT:
 428         return sizeof(GLshort);
 429     case GL_UNSIGNED_SHORT:
 430         return sizeof(GLushort);
 431     case GL_BYTE:
 432         return sizeof(GLbyte);
 433     case GL_UNSIGNED_BYTE:
 434         return sizeof(GLubyte);
 435     default:
 436         assert(0);
 437         return 0;
 438     }
 439 }
 440
 441 static void r700TranslateAttrib(GLcontext *ctx, GLuint unLoc, int count, const struct gl_client_array *input)
 442 {
 443     context_t *context = R700_CONTEXT(ctx);
 444
 445     StreamDesc * pStreamDesc = &(context->stream_desc[context->nNumActiveAos]);
 446
 447         GLuint stride;
 448
 449         stride = (input->StrideB == 0) ? getTypeSize(input->Type) * input->Size
 450                                    : input->StrideB;
 451
 452     if (input->Type == GL_DOUBLE || input->Type == GL_UNSIGNED_INT || input->Type == GL_INT ||
 453 #if MESA_BIG_ENDIAN
 454         getTypeSize(input->Type) != 4 ||
 455 #endif
 456         stride < 4)
 457     {
 458         pStreamDesc->type = GL_FLOAT;
 459
 460         if (input->StrideB == 0)
 461         {
 462                 pStreamDesc->stride = 0;
 463         }
 464         else
 465         {
 466                 pStreamDesc->stride = sizeof(GLfloat) * input->Size;
 467         }
 468         pStreamDesc->dwords = input->Size;
 469         pStreamDesc->is_named_bo = GL_FALSE;
 470     }
 471     else
 472     {
 473         pStreamDesc->type = input->Type;
 474         pStreamDesc->dwords = (getTypeSize(input->Type) * input->Size + 3)/ 4;
 475         if (!input->BufferObj->Name)
 476         {
 477             if (input->StrideB == 0)
 478             {
 479                 pStreamDesc->stride = 0;
 480             }
 481             else
 482             {
 483                 pStreamDesc->stride = (getTypeSize(pStreamDesc->type) * input->Size + 3) & ~3;
 484             }
 485
 486             pStreamDesc->is_named_bo = GL_FALSE;
 487         }
 488     }
 489
 490         pStreamDesc->size = input->Size;
 491         pStreamDesc->dst_loc = context->nNumActiveAos;
 492         pStreamDesc->element = unLoc;
 493
 494         switch (pStreamDesc->type)
 495         { //GetSurfaceFormat
 496         case GL_FLOAT:
 497                 pStreamDesc->_signed = 0;
 498                 pStreamDesc->normalize = GL_FALSE;
 499                 break;
 500         case GL_SHORT:
 501                 pStreamDesc->_signed = 1;
 502                 pStreamDesc->normalize = input->Normalized;
 503                 break;
 504         case GL_BYTE:
 505                 pStreamDesc->_signed = 1;
 506                 pStreamDesc->normalize = input->Normalized;
 507                 break;
 508         case GL_UNSIGNED_SHORT:
 509                 pStreamDesc->_signed = 0;
 510                 pStreamDesc->normalize = input->Normalized;
 511                 break;
 512         case GL_UNSIGNED_BYTE:
 513                 pStreamDesc->_signed = 0;
 514                 pStreamDesc->normalize = input->Normalized;
 515                 break;
 516         default:
 517         case GL_INT:
 518         case GL_UNSIGNED_INT:
 519         case GL_DOUBLE:
 520                 assert(0);
 521                 break;
 522         }
 523         context->nNumActiveAos++;
 524 }
 525
 526 void r700SetVertexFormat(GLcontext *ctx, const struct gl_client_array *arrays[], int count)
 527 {
 528     context_t *context = R700_CONTEXT(ctx);
 529     struct r700_vertex_program *vpc
 530            = (struct r700_vertex_program *)ctx->VertexProgram._Current;
 531
 532     struct gl_vertex_program * mesa_vp = (struct gl_vertex_program *)&(vpc->mesa_program);
 533     unsigned int unLoc = 0;
 534     unsigned int unBit = mesa_vp->Base.InputsRead;
 535     context->nNumActiveAos = 0;
 536
 537     if (mesa_vp->IsPositionInvariant)
 538     {
 539         unBit |= VERT_BIT_POS;
 540     }
 541
 542     while(unBit)
 543     {
 544         if(unBit & 1)
 545         {
 546             r700TranslateAttrib(ctx, unLoc, count, arrays[unLoc]);
 547         }
 548
 549         unBit >>= 1;
 550         ++unLoc;
 551     }
 552     context->radeon.tcl.aos_count = context->nNumActiveAos;
 553 }
 554
 555 void * r700GetActiveVpShaderBo(GLcontext * ctx)
 556 {
 557     context_t *context = R700_CONTEXT(ctx);
 558     struct r700_vertex_program *vp = context->selected_vp;;
 559
 560     if (vp)
 561         return vp->shaderbo;
 562     else
 563         return NULL;
 564 }
 565
 566 GLboolean r700SetupVertexProgram(GLcontext * ctx)
 567 {
 568     context_t *context = R700_CONTEXT(ctx);
 569     R700_CHIP_CONTEXT *r700 = (R700_CHIP_CONTEXT*)(&context->hw);
 570     struct r700_vertex_program *vp = context->selected_vp;
 571
 572     struct gl_program_parameter_list *paramList;
 573     unsigned int unNumParamData;
 574     unsigned int ui;
 575
 576     if(GL_FALSE == vp->loaded)
 577     {
 578             if(vp->r700Shader.bNeedsAssembly == GL_TRUE)
 579             {
 580                     Assemble( &(vp->r700Shader) );
 581             }
 582
 583         /* Load vp to gpu */
 584         r600EmitShader(ctx,
 585                        &(vp->shaderbo),
 586                        (GLvoid *)(vp->r700Shader.pProgram),
 587                        vp->r700Shader.uShaderBinaryDWORDSize,
 588                        "VS");
 589
 590         vp->loaded = GL_TRUE;
 591     }
 592
 593     DumpHwBinary(DUMP_VERTEX_SHADER, (GLvoid *)(vp->r700Shader.pProgram),
 594                  vp->r700Shader.uShaderBinaryDWORDSize);
 595
 596     /* TODO : enable this after MemUse fixed *=
 597     (context->chipobj.MemUse)(context, vp->shadercode.buf->id);
 598     */
 599
 600     R600_STATECHANGE(context, vs);
 601     R600_STATECHANGE(context, fs); /* hack */
 602
 603     r700->vs.SQ_PGM_RESOURCES_VS.u32All = 0;
 604     SETbit(r700->vs.SQ_PGM_RESOURCES_VS.u32All, PGM_RESOURCES__PRIME_CACHE_ON_DRAW_bit);
 605
 606     r700->vs.SQ_PGM_START_VS.u32All = 0; /* set from buffer object. */
 607
 608     SETfield(r700->vs.SQ_PGM_RESOURCES_VS.u32All, vp->r700Shader.nRegs + 1,
 609              NUM_GPRS_shift, NUM_GPRS_mask);
 610
 611     if(vp->r700Shader.uStackSize) /* we don't use branch for now, it should be zero. */
 612         {
 613         SETfield(r700->vs.SQ_PGM_RESOURCES_VS.u32All, vp->r700Shader.uStackSize,
 614                  STACK_SIZE_shift, STACK_SIZE_mask);
 615     }
 616
 617     R600_STATECHANGE(context, spi);
 618
 619     SETfield(r700->SPI_VS_OUT_CONFIG.u32All,
 620              vp->r700Shader.nParamExports ? (vp->r700Shader.nParamExports - 1) : 0,
 621              VS_EXPORT_COUNT_shift, VS_EXPORT_COUNT_mask);
 622     SETfield(r700->SPI_PS_IN_CONTROL_0.u32All, vp->r700Shader.nParamExports,
 623              NUM_INTERP_shift, NUM_INTERP_mask);
 624
 625     /*
 626     SETbit(r700->SPI_PS_IN_CONTROL_0.u32All, PERSP_GRADIENT_ENA_bit);
 627     CLEARbit(r700->SPI_PS_IN_CONTROL_0.u32All, LINEAR_GRADIENT_ENA_bit);
 628     */
 629
 630     /* sent out shader constants. */
 631     paramList = vp->mesa_program->Base.Parameters;
 632
 633     if(NULL != paramList) {
 634             _mesa_load_state_parameters(ctx, paramList);
 635
 636             if (paramList->NumParameters > R700_MAX_DX9_CONSTS)
 637                     return GL_FALSE;
 638
 639             R600_STATECHANGE(context, vs_consts);
 640
 641             r700->vs.num_consts = paramList->NumParameters;
 642
 643             unNumParamData = paramList->NumParameters;
 644
 645             for(ui=0; ui<unNumParamData; ui++) {
 646                     r700->vs.consts[ui][0].f32All = paramList->ParameterValues[ui][0];
 647                     r700->vs.consts[ui][1].f32All = paramList->ParameterValues[ui][1];
 648                     r700->vs.consts[ui][2].f32All = paramList->ParameterValues[ui][2];
 649                     r700->vs.consts[ui][3].f32All = paramList->ParameterValues[ui][3];
 650             }
 651     } else
 652             r700->vs.num_consts = 0;
 653
 654     return GL_TRUE;
 655 }