src/mesa/drivers/dri/r600/evergreen_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 "program/program.h"
  39 #include "program/prog_parameter.h"
  40 #include "program/prog_statevars.h"
  41
  42 #include "radeon_debug.h"
  43 #include "r600_context.h"
  44 #include "r600_cmdbuf.h"
  45 #include "r600_emit.h"
  46 #include "program/programopt.h"
  47
  48 #include "evergreen_vertprog.h"
  49
  50 unsigned int evergreen_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 evergreen_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 evergreen_Process_Vertex_Program_Vfetch_Instructions(
 145                                                 struct evergreen_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 evergreen_Process_Vertex_Program_Vfetch_Instructions2(
 172     struct gl_context *ctx,
 173         struct evergreen_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         EG_assemble_vfetch_instruction(&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                                       context->stream_desc[i].format,
 193                                      &vtxFetchMethod);
 194     }
 195
 196     return GL_TRUE;
 197 }
 198
 199 void evergreen_Map_Vertex_Program(struct gl_context *ctx,
 200                         struct evergreen_vertex_program *vp,
 201                                                 struct gl_vertex_program   *mesa_vp)
 202 {
 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 = evergreen_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 != evergreen_Process_Vertex_Program_Vfetch_Instructions2(ctx, vp, mesa_vp) )
 216         {
 217                 radeon_error("Calling evergreen_Process_Vertex_Program_Vfetch_Instructions2 return error. \n");
 218                 return;
 219         }
 220
 221         // Map Outputs
 222         pAsm->number_of_exports = evergreen_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     /* Map temporary registers (GPRs) */
 229     pAsm->starting_temp_register_number = pAsm->number_used_registers;
 230
 231     if(mesa_vp->Base.NumNativeTemporaries >= mesa_vp->Base.NumTemporaries)
 232     {   /* arb uses NumNativeTemporaries */
 233         pAsm->number_used_registers += mesa_vp->Base.NumNativeTemporaries;
 234     }
 235     else
 236     {   /* fix func t_vp uses NumTemporaries */
 237         pAsm->number_used_registers += mesa_vp->Base.NumTemporaries;
 238     }
 239
 240     pAsm->flag_reg_index = pAsm->number_used_registers++;
 241
 242     pAsm->uFirstHelpReg = pAsm->number_used_registers;
 243 }
 244
 245 GLboolean evergreen_Find_Instruction_Dependencies_vp(struct evergreen_vertex_program *vp,
 246                                                                 struct gl_vertex_program   *mesa_vp)
 247 {
 248     GLuint i, j;
 249     GLint * puiTEMPwrites;
 250     struct prog_instruction *pILInst;
 251     InstDeps         *pInstDeps;
 252
 253     puiTEMPwrites = (GLint*) MALLOC(sizeof(GLuint)*mesa_vp->Base.NumTemporaries);
 254     for(i=0; i<mesa_vp->Base.NumTemporaries; i++)
 255     {
 256         puiTEMPwrites[i] = -1;
 257     }
 258
 259     pInstDeps = (InstDeps*)MALLOC(sizeof(InstDeps)*mesa_vp->Base.NumInstructions);
 260
 261     for(i=0; i<mesa_vp->Base.NumInstructions; i++)
 262     {
 263         pInstDeps[i].nDstDep = -1;
 264         pILInst = &(mesa_vp->Base.Instructions[i]);
 265
 266         //Dst
 267         if(pILInst->DstReg.File == PROGRAM_TEMPORARY)
 268         {
 269             //Set lastwrite for the temp
 270             puiTEMPwrites[pILInst->DstReg.Index] = i;
 271         }
 272
 273         //Src
 274         for(j=0; j<3; j++)
 275         {
 276             if(pILInst->SrcReg[j].File == PROGRAM_TEMPORARY)
 277             {
 278                 //Set dep.
 279                 pInstDeps[i].nSrcDeps[j] = puiTEMPwrites[pILInst->SrcReg[j].Index];
 280             }
 281             else
 282             {
 283                 pInstDeps[i].nSrcDeps[j] = -1;
 284             }
 285         }
 286     }
 287
 288     vp->r700AsmCode.pInstDeps = pInstDeps;
 289
 290     FREE(puiTEMPwrites);
 291
 292     return GL_TRUE;
 293 }
 294
 295 struct evergreen_vertex_program* evergreenTranslateVertexShader(struct gl_context *ctx,
 296                                                       struct gl_vertex_program *mesa_vp)
 297 {
 298         context_t *context = EVERGREEN_CONTEXT(ctx);
 299
 300         struct evergreen_vertex_program *vp;
 301         unsigned int i;
 302
 303         vp = calloc(1, sizeof(*vp));
 304         vp->mesa_program = _mesa_clone_vertex_program(ctx, mesa_vp);
 305
 306     vp->constbo0 = NULL;
 307
 308         if (mesa_vp->IsPositionInvariant)
 309         {
 310                 _mesa_insert_mvp_code(ctx, vp->mesa_program);
 311         }
 312
 313         for(i=0; i<context->nNumActiveAos; i++)
 314         {
 315                 vp->aos_desc[i].size   = context->stream_desc[i].size;
 316                 vp->aos_desc[i].stride = context->stream_desc[i].stride;
 317                 vp->aos_desc[i].type   = context->stream_desc[i].type;
 318                 vp->aos_desc[i].format = context->stream_desc[i].format;
 319         }
 320
 321         if (context->radeon.radeonScreen->chip_family < CHIP_FAMILY_RV770)
 322         {
 323                 vp->r700AsmCode.bR6xx = 1;
 324         }
 325
 326         //Init_Program
 327         Init_r700_AssemblerBase(SPT_VP, &(vp->r700AsmCode), &(vp->r700Shader) );
 328
 329     vp->r700AsmCode.bUseMemConstant = GL_TRUE;
 330     vp->r700AsmCode.unAsic = 8;
 331
 332         evergreen_Map_Vertex_Program(ctx, vp, vp->mesa_program );
 333
 334         if(GL_FALSE == evergreen_Find_Instruction_Dependencies_vp(vp, vp->mesa_program))
 335         {
 336                 return NULL;
 337         }
 338
 339     InitShaderProgram(&(vp->r700AsmCode));
 340
 341     for(i=0; i < MAX_SAMPLERS; i++)
 342     {
 343         vp->r700AsmCode.SamplerUnits[i] = vp->mesa_program->Base.SamplerUnits[i];
 344     }
 345
 346     vp->r700AsmCode.unCurNumILInsts = vp->mesa_program->Base.NumInstructions;
 347
 348         if(GL_FALSE == AssembleInstr(0,
 349                                  0,
 350                                  vp->mesa_program->Base.NumInstructions,
 351                                  &(vp->mesa_program->Base.Instructions[0]),
 352                                  &(vp->r700AsmCode)) )
 353         {
 354                 return NULL;
 355         }
 356
 357     if(GL_FALSE == Process_Vertex_Exports(&(vp->r700AsmCode), vp->mesa_program->Base.OutputsWritten) )
 358     {
 359         return NULL;
 360     }
 361
 362     if( GL_FALSE == RelocProgram(&(vp->r700AsmCode), &(vp->mesa_program->Base)) )
 363     {
 364         return GL_FALSE;
 365     }
 366
 367     vp->r700Shader.nRegs = (vp->r700AsmCode.number_used_registers == 0) ? 0
 368                          : (vp->r700AsmCode.number_used_registers - 1);
 369
 370         vp->r700Shader.nParamExports = vp->r700AsmCode.number_of_exports;
 371
 372     vp->translated = GL_TRUE;
 373
 374         return vp;
 375 }
 376
 377 void evergreenSelectVertexShader(struct gl_context *ctx)
 378 {
 379     context_t *context = EVERGREEN_CONTEXT(ctx);
 380     struct evergreen_vertex_program_cont *vpc;
 381     struct evergreen_vertex_program *vp;
 382     unsigned int i;
 383     GLboolean match;
 384     GLbitfield InputsRead;
 385
 386     vpc = (struct evergreen_vertex_program_cont *)ctx->VertexProgram._Current;
 387
 388     InputsRead = vpc->mesa_program.Base.InputsRead;
 389     if (vpc->mesa_program.IsPositionInvariant)
 390     {
 391         InputsRead |= VERT_BIT_POS;
 392     }
 393
 394     for (vp = vpc->progs; vp; vp = vp->next)
 395     {
 396         match = GL_TRUE;
 397         for(i=0; i<context->nNumActiveAos; i++)
 398         {
 399                 if (vp->aos_desc[i].size != context->stream_desc[i].size ||
 400                     vp->aos_desc[i].format != context->stream_desc[i].format)
 401                 {
 402                         match = GL_FALSE;
 403                         break;
 404                 }
 405         }
 406         if (match)
 407         {
 408                 context->selected_vp = (struct r700_vertex_program *) vp;
 409                 return;
 410         }
 411     }
 412
 413     vp = evergreenTranslateVertexShader(ctx, &(vpc->mesa_program));
 414     if(!vp)
 415     {
 416         radeon_error("Failed to translate vertex shader. \n");
 417         return;
 418     }
 419     vp->next = vpc->progs;
 420     vpc->progs = vp;
 421     context->selected_vp = (struct r700_vertex_program *) vp;
 422     return;
 423 }
 424
 425 int evergreen_getTypeSize(GLenum type)
 426 {
 427     switch (type)
 428     {
 429     case GL_DOUBLE:
 430         return sizeof(GLdouble);
 431     case GL_FLOAT:
 432         return sizeof(GLfloat);
 433     case GL_INT:
 434         return sizeof(GLint);
 435     case GL_UNSIGNED_INT:
 436         return sizeof(GLuint);
 437     case GL_SHORT:
 438         return sizeof(GLshort);
 439     case GL_UNSIGNED_SHORT:
 440         return sizeof(GLushort);
 441     case GL_BYTE:
 442         return sizeof(GLbyte);
 443     case GL_UNSIGNED_BYTE:
 444         return sizeof(GLubyte);
 445     default:
 446         assert(0);
 447         return 0;
 448     }
 449 }
 450
 451 static void evergreenTranslateAttrib(struct gl_context *ctx, GLuint unLoc, int count, const struct gl_client_array *input)
 452 {
 453     context_t *context = EVERGREEN_CONTEXT(ctx);
 454
 455     StreamDesc * pStreamDesc = &(context->stream_desc[context->nNumActiveAos]);
 456
 457         GLuint stride;
 458
 459         stride = (input->StrideB == 0) ? evergreen_getTypeSize(input->Type) * input->Size
 460                                    : input->StrideB;
 461
 462     if (input->Type == GL_DOUBLE || input->Type == GL_UNSIGNED_INT || input->Type == GL_INT
 463 #if MESA_BIG_ENDIAN
 464         || evergreen_getTypeSize(input->Type) != 4
 465 #endif
 466         )
 467     {
 468         pStreamDesc->type = GL_FLOAT;
 469
 470         if (input->StrideB == 0)
 471         {
 472                 pStreamDesc->stride = 0;
 473         }
 474         else
 475         {
 476                 pStreamDesc->stride = sizeof(GLfloat) * input->Size;
 477         }
 478         pStreamDesc->dwords = input->Size;
 479         pStreamDesc->is_named_bo = GL_FALSE;
 480     }
 481     else
 482     {
 483         pStreamDesc->type = input->Type;
 484         pStreamDesc->dwords = (evergreen_getTypeSize(input->Type) * input->Size + 3)/ 4;
 485         if (!input->BufferObj->Name)
 486         {
 487             if (input->StrideB == 0)
 488             {
 489                 pStreamDesc->stride = 0;
 490             }
 491             else
 492             {
 493                 pStreamDesc->stride = (evergreen_getTypeSize(pStreamDesc->type) * input->Size + 3) & ~3;
 494             }
 495
 496             pStreamDesc->is_named_bo = GL_FALSE;
 497         }
 498     }
 499
 500         pStreamDesc->size = input->Size;
 501         pStreamDesc->dst_loc = context->nNumActiveAos;
 502         pStreamDesc->element = unLoc;
 503         pStreamDesc->format = input->Format;
 504
 505         switch (pStreamDesc->type)
 506         { //GetSurfaceFormat
 507         case GL_FLOAT:
 508                 pStreamDesc->_signed = 0;
 509                 pStreamDesc->normalize = GL_FALSE;
 510                 break;
 511         case GL_SHORT:
 512                 pStreamDesc->_signed = 1;
 513                 pStreamDesc->normalize = input->Normalized;
 514                 break;
 515         case GL_BYTE:
 516                 pStreamDesc->_signed = 1;
 517                 pStreamDesc->normalize = input->Normalized;
 518                 break;
 519         case GL_UNSIGNED_SHORT:
 520                 pStreamDesc->_signed = 0;
 521                 pStreamDesc->normalize = input->Normalized;
 522                 break;
 523         case GL_UNSIGNED_BYTE:
 524                 pStreamDesc->_signed = 0;
 525                 pStreamDesc->normalize = input->Normalized;
 526                 break;
 527         default:
 528         case GL_INT:
 529         case GL_UNSIGNED_INT:
 530         case GL_DOUBLE:
 531                 assert(0);
 532                 break;
 533         }
 534         context->nNumActiveAos++;
 535 }
 536
 537 void evergreenSetVertexFormat(struct gl_context *ctx, const struct gl_client_array *arrays[], int count)
 538 {
 539     context_t *context = EVERGREEN_CONTEXT(ctx);
 540     struct evergreen_vertex_program *vpc
 541            = (struct evergreen_vertex_program *)ctx->VertexProgram._Current;
 542
 543     struct gl_vertex_program * mesa_vp = (struct gl_vertex_program *)&(vpc->mesa_program);
 544     unsigned int unLoc = 0;
 545     unsigned int unBit = mesa_vp->Base.InputsRead;
 546     context->nNumActiveAos = 0;
 547
 548     if (mesa_vp->IsPositionInvariant)
 549     {
 550         unBit |= VERT_BIT_POS;
 551     }
 552
 553     while(unBit)
 554     {
 555         if(unBit & 1)
 556         {
 557             evergreenTranslateAttrib(ctx, unLoc, count, arrays[unLoc]);
 558         }
 559
 560         unBit >>= 1;
 561         ++unLoc;
 562     }
 563     context->radeon.tcl.aos_count = context->nNumActiveAos;
 564 }
 565
 566 void * evergreenGetActiveVpShaderBo(struct gl_context * ctx)
 567 {
 568     context_t *context = EVERGREEN_CONTEXT(ctx);
 569     struct evergreen_vertex_program *vp = (struct evergreen_vertex_program *) context->selected_vp;
 570
 571     if (vp)
 572         return vp->shaderbo;
 573     else
 574         return NULL;
 575 }
 576
 577 void * evergreenGetActiveVpShaderConstBo(struct gl_context * ctx)
 578 {
 579     context_t *context = EVERGREEN_CONTEXT(ctx);
 580     struct evergreen_vertex_program *vp = (struct evergreen_vertex_program *) context->selected_vp;
 581
 582     if (vp)
 583         return vp->constbo0;
 584     else
 585         return NULL;
 586 }
 587
 588 GLboolean evergreenSetupVertexProgram(struct gl_context * ctx)
 589 {
 590     context_t *context = EVERGREEN_CONTEXT(ctx);
 591     EVERGREEN_CHIP_CONTEXT *evergreen = GET_EVERGREEN_CHIP(context);
 592     struct evergreen_vertex_program *vp = (struct evergreen_vertex_program *) context->selected_vp;
 593
 594     if(GL_FALSE == vp->loaded)
 595     {
 596             if(vp->r700Shader.bNeedsAssembly == GL_TRUE)
 597             {
 598                     Assemble( &(vp->r700Shader) );
 599             }
 600
 601         /* Load vp to gpu */
 602         r600EmitShader(ctx,
 603                        &(vp->shaderbo),
 604                        (GLvoid *)(vp->r700Shader.pProgram),
 605                        vp->r700Shader.uShaderBinaryDWORDSize,
 606                        "VS");
 607
 608         vp->loaded = GL_TRUE;
 609     }
 610
 611     EVERGREEN_STATECHANGE(context, vs);
 612
 613     /* TODO : enable this after MemUse fixed *=
 614     (context->chipobj.MemUse)(context, vp->shadercode.buf->id);
 615     */
 616
 617     evergreen->SQ_PGM_RESOURCES_VS.u32All = 0;
 618     SETbit(evergreen->SQ_PGM_RESOURCES_VS.u32All, PGM_RESOURCES__PRIME_CACHE_ON_DRAW_bit);
 619
 620     evergreen->vs.SQ_ALU_CONST_CACHE_VS_0.u32All = 0; /* set from buffer object. */
 621
 622     evergreen->vs.SQ_PGM_START_VS.u32All = 0;
 623
 624     SETfield(evergreen->SQ_PGM_RESOURCES_VS.u32All, vp->r700Shader.nRegs + 1,
 625              NUM_GPRS_shift, NUM_GPRS_mask);
 626
 627     if(vp->r700Shader.uStackSize) /* we don't use branch for now, it should be zero. */
 628         {
 629         SETfield(evergreen->SQ_PGM_RESOURCES_VS.u32All, vp->r700Shader.uStackSize,
 630                  STACK_SIZE_shift, STACK_SIZE_mask);
 631     }
 632
 633     EVERGREEN_STATECHANGE(context, spi);
 634
 635     SETfield(evergreen->SPI_VS_OUT_CONFIG.u32All,
 636              vp->r700Shader.nParamExports ? (vp->r700Shader.nParamExports - 1) : 0,
 637              VS_EXPORT_COUNT_shift, VS_EXPORT_COUNT_mask);
 638     SETfield(evergreen->SPI_PS_IN_CONTROL_0.u32All, vp->r700Shader.nParamExports,
 639              NUM_INTERP_shift, NUM_INTERP_mask);
 640
 641     /*
 642     SETbit(evergreen->SPI_PS_IN_CONTROL_0.u32All, PERSP_GRADIENT_ENA_bit);
 643     CLEARbit(evergreen->SPI_PS_IN_CONTROL_0.u32All, LINEAR_GRADIENT_ENA_bit);
 644     */
 645
 646     return GL_TRUE;
 647 }
 648
 649 GLboolean evergreenSetupVPconstants(struct gl_context * ctx)
 650 {
 651     context_t *context = EVERGREEN_CONTEXT(ctx);
 652     EVERGREEN_CHIP_CONTEXT *evergreen = GET_EVERGREEN_CHIP(context);
 653     struct evergreen_vertex_program *vp = (struct evergreen_vertex_program *) context->selected_vp;
 654
 655     struct gl_program_parameter_list *paramList;
 656     unsigned int unNumParamData;
 657     unsigned int ui;
 658     int alloc_size;
 659
 660     /* sent out shader constants. */
 661     paramList = vp->mesa_program->Base.Parameters;
 662
 663     if(NULL != paramList) {
 664         /* vp->mesa_program was cloned, not updated by glsl shader api. */
 665         /* _mesa_reference_program has already checked glsl shProg is ok and set ctx->VertexProgem._Current */
 666         /* so, use ctx->VertexProgem._Current */
 667         struct gl_program_parameter_list *paramListOrginal =
 668                          ctx->VertexProgram._Current->Base.Parameters;
 669
 670             _mesa_load_state_parameters(ctx, paramList);
 671
 672             if (paramList->NumParameters > EVERGREEN_MAX_DX9_CONSTS)
 673                     return GL_FALSE;
 674
 675             EVERGREEN_STATECHANGE(context, vs);
 676
 677             evergreen->vs.num_consts = paramList->NumParameters;
 678
 679             unNumParamData = paramList->NumParameters;
 680
 681             /* alloc multiple of 16 constants */
 682             alloc_size = ((unNumParamData * 4 * 4) + 255) & ~255;
 683
 684             for(ui=0; ui<unNumParamData; ui++) {
 685             if(paramList->Parameters[ui].Type == PROGRAM_UNIFORM)
 686             {
 687                 evergreen->vs.consts[ui][0].f32All = paramListOrginal->ParameterValues[ui][0];
 688                         evergreen->vs.consts[ui][1].f32All = paramListOrginal->ParameterValues[ui][1];
 689                         evergreen->vs.consts[ui][2].f32All = paramListOrginal->ParameterValues[ui][2];
 690                         evergreen->vs.consts[ui][3].f32All = paramListOrginal->ParameterValues[ui][3];
 691             }
 692             else
 693             {
 694                         evergreen->vs.consts[ui][0].f32All = paramList->ParameterValues[ui][0];
 695                         evergreen->vs.consts[ui][1].f32All = paramList->ParameterValues[ui][1];
 696                         evergreen->vs.consts[ui][2].f32All = paramList->ParameterValues[ui][2];
 697                         evergreen->vs.consts[ui][3].f32All = paramList->ParameterValues[ui][3];
 698             }
 699             }
 700
 701         radeonAllocDmaRegion(&context->radeon,
 702                              &context->vp_Constbo,
 703                              &context->vp_bo_offset,
 704                              alloc_size,
 705                              256);
 706         r600EmitShaderConsts(ctx,
 707                              context->vp_Constbo,
 708                              context->vp_bo_offset,
 709                              (GLvoid *)&(evergreen->vs.consts[0][0]),
 710                              unNumParamData * 4 * 4);
 711     } else
 712             evergreen->vs.num_consts = 0;
 713
 714     COMPILED_SUB * pCompiledSub;
 715     GLuint uj;
 716     GLuint unConstOffset = evergreen->vs.num_consts;
 717     for(ui=0; ui<vp->r700AsmCode.unNumPresub; ui++)
 718     {
 719         pCompiledSub = vp->r700AsmCode.presubs[ui].pCompiledSub;
 720
 721         evergreen->vs.num_consts += pCompiledSub->NumParameters;
 722
 723         for(uj=0; uj<pCompiledSub->NumParameters; uj++)
 724         {
 725             evergreen->vs.consts[uj + unConstOffset][0].f32All = pCompiledSub->ParameterValues[uj][0];
 726                     evergreen->vs.consts[uj + unConstOffset][1].f32All = pCompiledSub->ParameterValues[uj][1];
 727                     evergreen->vs.consts[uj + unConstOffset][2].f32All = pCompiledSub->ParameterValues[uj][2];
 728                     evergreen->vs.consts[uj + unConstOffset][3].f32All = pCompiledSub->ParameterValues[uj][3];
 729         }
 730         unConstOffset += pCompiledSub->NumParameters;
 731     }
 732
 733     return GL_TRUE;
 734 }
 735