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      1 /*
      2  * Mesa 3-D graphics library
      3  *
      4  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
      5  * Copyright (C) 2009  VMware, Inc.  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  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
     21  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     23  * OTHER DEALINGS IN THE SOFTWARE.
     24  */
     25 
     26 /**
     27  * \file prog_print.c
     28  * Print vertex/fragment programs - for debugging.
     29  * \author Brian Paul
     30  */
     31 
     32 #include <inttypes.h>  /* for PRIx64 macro */
     33 
     34 #include "main/glheader.h"
     35 #include "main/context.h"
     36 #include "main/imports.h"
     37 #include "prog_instruction.h"
     38 #include "prog_parameter.h"
     39 #include "prog_print.h"
     40 #include "prog_statevars.h"
     41 
     42 
     43 
     44 /**
     45  * Return string name for given program/register file.
     46  */
     47 const char *
     48 _mesa_register_file_name(gl_register_file f)
     49 {
     50    switch (f) {
     51    case PROGRAM_TEMPORARY:
     52       return "TEMP";
     53    case PROGRAM_STATE_VAR:
     54       return "STATE";
     55    case PROGRAM_INPUT:
     56       return "INPUT";
     57    case PROGRAM_OUTPUT:
     58       return "OUTPUT";
     59    case PROGRAM_CONSTANT:
     60       return "CONST";
     61    case PROGRAM_UNIFORM:
     62       return "UNIFORM";
     63    case PROGRAM_ADDRESS:
     64       return "ADDR";
     65    case PROGRAM_SAMPLER:
     66       return "SAMPLER";
     67    case PROGRAM_SYSTEM_VALUE:
     68       return "SYSVAL";
     69    case PROGRAM_UNDEFINED:
     70       return "UNDEFINED";
     71    default:
     72       {
     73          static char s[20];
     74          _mesa_snprintf(s, sizeof(s), "FILE%u", f);
     75          return s;
     76       }
     77    }
     78 }
     79 
     80 
     81 /**
     82  * Return ARB_v/f_prog-style input attrib string.
     83  */
     84 static const char *
     85 arb_input_attrib_string(GLuint index, GLenum progType)
     86 {
     87    /*
     88     * These strings should match the VERT_ATTRIB_x and VARYING_SLOT_x tokens.
     89     */
     90    static const char *const vertAttribs[] = {
     91       "vertex.position",
     92       "vertex.weight",
     93       "vertex.normal",
     94       "vertex.color.primary",
     95       "vertex.color.secondary",
     96       "vertex.fogcoord",
     97       "vertex.(six)", /* VERT_ATTRIB_COLOR_INDEX */
     98       "vertex.(seven)", /* VERT_ATTRIB_EDGEFLAG */
     99       "vertex.texcoord[0]",
    100       "vertex.texcoord[1]",
    101       "vertex.texcoord[2]",
    102       "vertex.texcoord[3]",
    103       "vertex.texcoord[4]",
    104       "vertex.texcoord[5]",
    105       "vertex.texcoord[6]",
    106       "vertex.texcoord[7]",
    107       "vertex.(sixteen)", /* VERT_ATTRIB_POINT_SIZE */
    108       "vertex.attrib[0]",
    109       "vertex.attrib[1]",
    110       "vertex.attrib[2]",
    111       "vertex.attrib[3]",
    112       "vertex.attrib[4]",
    113       "vertex.attrib[5]",
    114       "vertex.attrib[6]",
    115       "vertex.attrib[7]",
    116       "vertex.attrib[8]",
    117       "vertex.attrib[9]",
    118       "vertex.attrib[10]",
    119       "vertex.attrib[11]",
    120       "vertex.attrib[12]",
    121       "vertex.attrib[13]",
    122       "vertex.attrib[14]",
    123       "vertex.attrib[15]" /* MAX_VARYING = 16 */
    124    };
    125    static const char *const fragAttribs[] = {
    126       "fragment.position",
    127       "fragment.color.primary",
    128       "fragment.color.secondary",
    129       "fragment.fogcoord",
    130       "fragment.texcoord[0]",
    131       "fragment.texcoord[1]",
    132       "fragment.texcoord[2]",
    133       "fragment.texcoord[3]",
    134       "fragment.texcoord[4]",
    135       "fragment.texcoord[5]",
    136       "fragment.texcoord[6]",
    137       "fragment.texcoord[7]",
    138       "fragment.(twelve)", /* VARYING_SLOT_PSIZ */
    139       "fragment.(thirteen)", /* VARYING_SLOT_BFC0 */
    140       "fragment.(fourteen)", /* VARYING_SLOT_BFC1 */
    141       "fragment.(fifteen)", /* VARYING_SLOT_EDGE */
    142       "fragment.(sixteen)", /* VARYING_SLOT_CLIP_VERTEX */
    143       "fragment.(seventeen)", /* VARYING_SLOT_CLIP_DIST0 */
    144       "fragment.(eighteen)", /* VARYING_SLOT_CLIP_DIST1 */
    145       "fragment.(nineteen)", /* VARYING_SLOT_PRIMITIVE_ID */
    146       "fragment.(twenty)", /* VARYING_SLOT_LAYER */
    147       "fragment.(twenty-one)", /* VARYING_SLOT_VIEWPORT */
    148       "fragment.(twenty-two)", /* VARYING_SLOT_FACE */
    149       "fragment.(twenty-three)", /* VARYING_SLOT_PNTC */
    150       "fragment.(twenty-four)", /* VARYING_SLOT_TESS_LEVEL_OUTER */
    151       "fragment.(twenty-five)", /* VARYING_SLOT_TESS_LEVEL_INNER */
    152       "fragment.(twenty-six)", /* VARYING_SLOT_CULL_DIST0 */
    153       "fragment.(twenty-seven)", /* VARYING_SLOT_CULL_DIST1 */
    154       "fragment.(twenty-eight)", /* VARYING_SLOT_BOUNDING_BOX0 */
    155       "fragment.(twenty-nine)", /* VARYING_SLOT_BOUNDING_BOX1 */
    156       "fragment.varying[0]",
    157       "fragment.varying[1]",
    158       "fragment.varying[2]",
    159       "fragment.varying[3]",
    160       "fragment.varying[4]",
    161       "fragment.varying[5]",
    162       "fragment.varying[6]",
    163       "fragment.varying[7]",
    164       "fragment.varying[8]",
    165       "fragment.varying[9]",
    166       "fragment.varying[10]",
    167       "fragment.varying[11]",
    168       "fragment.varying[12]",
    169       "fragment.varying[13]",
    170       "fragment.varying[14]",
    171       "fragment.varying[15]",
    172       "fragment.varying[16]",
    173       "fragment.varying[17]",
    174       "fragment.varying[18]",
    175       "fragment.varying[19]",
    176       "fragment.varying[20]",
    177       "fragment.varying[21]",
    178       "fragment.varying[22]",
    179       "fragment.varying[23]",
    180       "fragment.varying[24]",
    181       "fragment.varying[25]",
    182       "fragment.varying[26]",
    183       "fragment.varying[27]",
    184       "fragment.varying[28]",
    185       "fragment.varying[29]",
    186       "fragment.varying[30]",
    187       "fragment.varying[31]", /* MAX_VARYING = 32 */
    188    };
    189 
    190    /* sanity checks */
    191    STATIC_ASSERT(ARRAY_SIZE(vertAttribs) == VERT_ATTRIB_MAX);
    192    STATIC_ASSERT(ARRAY_SIZE(fragAttribs) == VARYING_SLOT_MAX);
    193    assert(strcmp(vertAttribs[VERT_ATTRIB_TEX0], "vertex.texcoord[0]") == 0);
    194    assert(strcmp(vertAttribs[VERT_ATTRIB_GENERIC15], "vertex.attrib[15]") == 0);
    195    assert(strcmp(fragAttribs[VARYING_SLOT_TEX0], "fragment.texcoord[0]") == 0);
    196    assert(strcmp(fragAttribs[VARYING_SLOT_VAR0+15], "fragment.varying[15]") == 0);
    197 
    198    if (progType == GL_VERTEX_PROGRAM_ARB) {
    199       assert(index < ARRAY_SIZE(vertAttribs));
    200       return vertAttribs[index];
    201    }
    202    else {
    203       assert(progType == GL_FRAGMENT_PROGRAM_ARB);
    204       assert(index < ARRAY_SIZE(fragAttribs));
    205       return fragAttribs[index];
    206    }
    207 }
    208 
    209 
    210 /**
    211  * Print a vertex program's inputs_read field in human-readable format.
    212  * For debugging.
    213  */
    214 void
    215 _mesa_print_vp_inputs(GLbitfield inputs)
    216 {
    217    printf("VP Inputs 0x%x: \n", inputs);
    218    while (inputs) {
    219       GLint attr = ffs(inputs) - 1;
    220       const char *name = arb_input_attrib_string(attr,
    221                                                  GL_VERTEX_PROGRAM_ARB);
    222       printf("  %d: %s\n", attr, name);
    223       inputs &= ~(1 << attr);
    224    }
    225 }
    226 
    227 
    228 /**
    229  * Print a fragment program's inputs_read field in human-readable format.
    230  * For debugging.
    231  */
    232 void
    233 _mesa_print_fp_inputs(GLbitfield inputs)
    234 {
    235    printf("FP Inputs 0x%x: \n", inputs);
    236    while (inputs) {
    237       GLint attr = ffs(inputs) - 1;
    238       const char *name = arb_input_attrib_string(attr,
    239                                                  GL_FRAGMENT_PROGRAM_ARB);
    240       printf("  %d: %s\n", attr, name);
    241       inputs &= ~(1 << attr);
    242    }
    243 }
    244 
    245 
    246 
    247 /**
    248  * Return ARB_v/f_prog-style output attrib string.
    249  */
    250 static const char *
    251 arb_output_attrib_string(GLuint index, GLenum progType)
    252 {
    253    /*
    254     * These strings should match the VARYING_SLOT_x and FRAG_RESULT_x tokens.
    255     */
    256    static const char *const vertResults[] = {
    257       "result.position",
    258       "result.color.primary",
    259       "result.color.secondary",
    260       "result.fogcoord",
    261       "result.texcoord[0]",
    262       "result.texcoord[1]",
    263       "result.texcoord[2]",
    264       "result.texcoord[3]",
    265       "result.texcoord[4]",
    266       "result.texcoord[5]",
    267       "result.texcoord[6]",
    268       "result.texcoord[7]",
    269       "result.pointsize", /* VARYING_SLOT_PSIZ */
    270       "result.(thirteen)", /* VARYING_SLOT_BFC0 */
    271       "result.(fourteen)", /* VARYING_SLOT_BFC1 */
    272       "result.(fifteen)", /* VARYING_SLOT_EDGE */
    273       "result.(sixteen)", /* VARYING_SLOT_CLIP_VERTEX */
    274       "result.(seventeen)", /* VARYING_SLOT_CLIP_DIST0 */
    275       "result.(eighteen)", /* VARYING_SLOT_CLIP_DIST1 */
    276       "result.(nineteen)", /* VARYING_SLOT_PRIMITIVE_ID */
    277       "result.(twenty)", /* VARYING_SLOT_LAYER */
    278       "result.(twenty-one)", /* VARYING_SLOT_VIEWPORT */
    279       "result.(twenty-two)", /* VARYING_SLOT_FACE */
    280       "result.(twenty-three)", /* VARYING_SLOT_PNTC */
    281       "result.(twenty-four)", /* VARYING_SLOT_TESS_LEVEL_OUTER */
    282       "result.(twenty-five)", /* VARYING_SLOT_TESS_LEVEL_INNER */
    283       "result.(twenty-six)", /* VARYING_SLOT_CULL_DIST0 */
    284       "result.(twenty-seven)", /* VARYING_SLOT_CULL_DIST1 */
    285       "result.(twenty-eight)", /* VARYING_SLOT_BOUNDING_BOX0 */
    286       "result.(twenty-nine)", /* VARYING_SLOT_BOUNDING_BOX1 */
    287       "result.varying[0]",
    288       "result.varying[1]",
    289       "result.varying[2]",
    290       "result.varying[3]",
    291       "result.varying[4]",
    292       "result.varying[5]",
    293       "result.varying[6]",
    294       "result.varying[7]",
    295       "result.varying[8]",
    296       "result.varying[9]",
    297       "result.varying[10]",
    298       "result.varying[11]",
    299       "result.varying[12]",
    300       "result.varying[13]",
    301       "result.varying[14]",
    302       "result.varying[15]",
    303       "result.varying[16]",
    304       "result.varying[17]",
    305       "result.varying[18]",
    306       "result.varying[19]",
    307       "result.varying[20]",
    308       "result.varying[21]",
    309       "result.varying[22]",
    310       "result.varying[23]",
    311       "result.varying[24]",
    312       "result.varying[25]",
    313       "result.varying[26]",
    314       "result.varying[27]",
    315       "result.varying[28]",
    316       "result.varying[29]",
    317       "result.varying[30]",
    318       "result.varying[31]", /* MAX_VARYING = 32 */
    319    };
    320    static const char *const fragResults[] = {
    321       "result.depth", /* FRAG_RESULT_DEPTH */
    322       "result.(one)", /* FRAG_RESULT_STENCIL */
    323       "result.color", /* FRAG_RESULT_COLOR */
    324       "result.samplemask", /* FRAG_RESULT_SAMPLE_MASK */
    325       "result.color[0]", /* FRAG_RESULT_DATA0 (named for GLSL's gl_FragData) */
    326       "result.color[1]",
    327       "result.color[2]",
    328       "result.color[3]",
    329       "result.color[4]",
    330       "result.color[5]",
    331       "result.color[6]",
    332       "result.color[7]" /* MAX_DRAW_BUFFERS = 8 */
    333    };
    334 
    335    /* sanity checks */
    336    STATIC_ASSERT(ARRAY_SIZE(vertResults) == VARYING_SLOT_MAX);
    337    STATIC_ASSERT(ARRAY_SIZE(fragResults) == FRAG_RESULT_MAX);
    338    assert(strcmp(vertResults[VARYING_SLOT_POS], "result.position") == 0);
    339    assert(strcmp(vertResults[VARYING_SLOT_VAR0], "result.varying[0]") == 0);
    340    assert(strcmp(fragResults[FRAG_RESULT_DATA0], "result.color[0]") == 0);
    341 
    342    if (progType == GL_VERTEX_PROGRAM_ARB) {
    343       assert(index < ARRAY_SIZE(vertResults));
    344       return vertResults[index];
    345    }
    346    else {
    347       assert(progType == GL_FRAGMENT_PROGRAM_ARB);
    348       assert(index < ARRAY_SIZE(fragResults));
    349       return fragResults[index];
    350    }
    351 }
    352 
    353 
    354 /**
    355  * Return string representation of the given register.
    356  * Note that some types of registers (like PROGRAM_UNIFORM) aren't defined
    357  * by the ARB/NV program languages so we've taken some liberties here.
    358  * \param f  the register file (PROGRAM_INPUT, PROGRAM_TEMPORARY, etc)
    359  * \param index  number of the register in the register file
    360  * \param mode  the output format/mode/style
    361  * \param prog  pointer to containing program
    362  */
    363 static const char *
    364 reg_string(gl_register_file f, GLint index, gl_prog_print_mode mode,
    365            GLboolean relAddr, const struct gl_program *prog)
    366 {
    367    static char str[100];
    368    const char *addr = relAddr ? "ADDR+" : "";
    369 
    370    str[0] = 0;
    371 
    372    switch (mode) {
    373    case PROG_PRINT_DEBUG:
    374       sprintf(str, "%s[%s%d]",
    375               _mesa_register_file_name(f), addr, index);
    376       break;
    377 
    378    case PROG_PRINT_ARB:
    379       switch (f) {
    380       case PROGRAM_INPUT:
    381          sprintf(str, "%s", arb_input_attrib_string(index, prog->Target));
    382          break;
    383       case PROGRAM_OUTPUT:
    384          sprintf(str, "%s", arb_output_attrib_string(index, prog->Target));
    385          break;
    386       case PROGRAM_TEMPORARY:
    387          sprintf(str, "temp%d", index);
    388          break;
    389       case PROGRAM_CONSTANT: /* extension */
    390          sprintf(str, "constant[%s%d]", addr, index);
    391          break;
    392       case PROGRAM_UNIFORM: /* extension */
    393          sprintf(str, "uniform[%s%d]", addr, index);
    394          break;
    395       case PROGRAM_SYSTEM_VALUE:
    396          sprintf(str, "sysvalue[%s%d]", addr, index);
    397          break;
    398       case PROGRAM_STATE_VAR:
    399          {
    400             struct gl_program_parameter *param
    401                = prog->Parameters->Parameters + index;
    402             char *state = _mesa_program_state_string(param->StateIndexes);
    403             sprintf(str, "%s", state);
    404             free(state);
    405          }
    406          break;
    407       case PROGRAM_ADDRESS:
    408          sprintf(str, "A%d", index);
    409          break;
    410       default:
    411          _mesa_problem(NULL, "bad file in reg_string()");
    412       }
    413       break;
    414 
    415    default:
    416       _mesa_problem(NULL, "bad mode in reg_string()");
    417    }
    418 
    419    return str;
    420 }
    421 
    422 
    423 /**
    424  * Return a string representation of the given swizzle word.
    425  * If extended is true, use extended (comma-separated) format.
    426  * \param swizzle  the swizzle field
    427  * \param negateBase  4-bit negation vector
    428  * \param extended  if true, also allow 0, 1 values
    429  */
    430 const char *
    431 _mesa_swizzle_string(GLuint swizzle, GLuint negateMask, GLboolean extended)
    432 {
    433    static const char swz[] = "xyzw01!?";  /* See SWIZZLE_x definitions */
    434    static char s[20];
    435    GLuint i = 0;
    436 
    437    if (!extended && swizzle == SWIZZLE_NOOP && negateMask == 0)
    438       return ""; /* no swizzle/negation */
    439 
    440    if (!extended)
    441       s[i++] = '.';
    442 
    443    if (negateMask & NEGATE_X)
    444       s[i++] = '-';
    445    s[i++] = swz[GET_SWZ(swizzle, 0)];
    446 
    447    if (extended) {
    448       s[i++] = ',';
    449    }
    450 
    451    if (negateMask & NEGATE_Y)
    452       s[i++] = '-';
    453    s[i++] = swz[GET_SWZ(swizzle, 1)];
    454 
    455    if (extended) {
    456       s[i++] = ',';
    457    }
    458 
    459    if (negateMask & NEGATE_Z)
    460       s[i++] = '-';
    461    s[i++] = swz[GET_SWZ(swizzle, 2)];
    462 
    463    if (extended) {
    464       s[i++] = ',';
    465    }
    466 
    467    if (negateMask & NEGATE_W)
    468       s[i++] = '-';
    469    s[i++] = swz[GET_SWZ(swizzle, 3)];
    470 
    471    s[i] = 0;
    472    return s;
    473 }
    474 
    475 
    476 void
    477 _mesa_print_swizzle(GLuint swizzle)
    478 {
    479    if (swizzle == SWIZZLE_XYZW) {
    480       printf(".xyzw\n");
    481    }
    482    else {
    483       const char *s = _mesa_swizzle_string(swizzle, 0, 0);
    484       printf("%s\n", s);
    485    }
    486 }
    487 
    488 
    489 const char *
    490 _mesa_writemask_string(GLuint writeMask)
    491 {
    492    static char s[10];
    493    GLuint i = 0;
    494 
    495    if (writeMask == WRITEMASK_XYZW)
    496       return "";
    497 
    498    s[i++] = '.';
    499    if (writeMask & WRITEMASK_X)
    500       s[i++] = 'x';
    501    if (writeMask & WRITEMASK_Y)
    502       s[i++] = 'y';
    503    if (writeMask & WRITEMASK_Z)
    504       s[i++] = 'z';
    505    if (writeMask & WRITEMASK_W)
    506       s[i++] = 'w';
    507 
    508    s[i] = 0;
    509    return s;
    510 }
    511 
    512 
    513 static void
    514 fprint_dst_reg(FILE * f,
    515                const struct prog_dst_register *dstReg,
    516                gl_prog_print_mode mode,
    517                const struct gl_program *prog)
    518 {
    519    fprintf(f, "%s%s",
    520 	   reg_string((gl_register_file) dstReg->File,
    521 		      dstReg->Index, mode, dstReg->RelAddr, prog),
    522 	   _mesa_writemask_string(dstReg->WriteMask));
    523 
    524 #if 0
    525    fprintf(f, "%s[%d]%s",
    526 	   _mesa_register_file_name((gl_register_file) dstReg->File),
    527 	   dstReg->Index,
    528 	   _mesa_writemask_string(dstReg->WriteMask));
    529 #endif
    530 }
    531 
    532 
    533 static void
    534 fprint_src_reg(FILE *f,
    535                const struct prog_src_register *srcReg,
    536                gl_prog_print_mode mode,
    537                const struct gl_program *prog)
    538 {
    539    fprintf(f, "%s%s",
    540 	   reg_string((gl_register_file) srcReg->File,
    541 		      srcReg->Index, mode, srcReg->RelAddr, prog),
    542 	   _mesa_swizzle_string(srcReg->Swizzle,
    543 				srcReg->Negate, GL_FALSE));
    544 #if 0
    545    fprintf(f, "%s[%d]%s",
    546 	   _mesa_register_file_name((gl_register_file) srcReg->File),
    547 	   srcReg->Index,
    548 	   _mesa_swizzle_string(srcReg->Swizzle,
    549 				srcReg->Negate, GL_FALSE));
    550 #endif
    551 }
    552 
    553 
    554 void
    555 _mesa_fprint_alu_instruction(FILE *f,
    556 			     const struct prog_instruction *inst,
    557 			     const char *opcode_string, GLuint numRegs,
    558 			     gl_prog_print_mode mode,
    559 			     const struct gl_program *prog)
    560 {
    561    GLuint j;
    562 
    563    fprintf(f, "%s", opcode_string);
    564 
    565    /* frag prog only */
    566    if (inst->Saturate)
    567       fprintf(f, "_SAT");
    568 
    569    fprintf(f, " ");
    570    if (inst->DstReg.File != PROGRAM_UNDEFINED) {
    571       fprint_dst_reg(f, &inst->DstReg, mode, prog);
    572    }
    573    else {
    574       fprintf(f, " ???");
    575    }
    576 
    577    if (numRegs > 0)
    578       fprintf(f, ", ");
    579 
    580    for (j = 0; j < numRegs; j++) {
    581       fprint_src_reg(f, inst->SrcReg + j, mode, prog);
    582       if (j + 1 < numRegs)
    583 	 fprintf(f, ", ");
    584    }
    585 
    586    fprintf(f, ";\n");
    587 }
    588 
    589 
    590 void
    591 _mesa_print_alu_instruction(const struct prog_instruction *inst,
    592                             const char *opcode_string, GLuint numRegs)
    593 {
    594    _mesa_fprint_alu_instruction(stderr, inst, opcode_string,
    595 				numRegs, PROG_PRINT_DEBUG, NULL);
    596 }
    597 
    598 
    599 /**
    600  * Print a single vertex/fragment program instruction.
    601  */
    602 GLint
    603 _mesa_fprint_instruction_opt(FILE *f,
    604                             const struct prog_instruction *inst,
    605                             GLint indent,
    606                             gl_prog_print_mode mode,
    607                             const struct gl_program *prog)
    608 {
    609    GLint i;
    610 
    611    if (inst->Opcode == OPCODE_ELSE ||
    612        inst->Opcode == OPCODE_ENDIF ||
    613        inst->Opcode == OPCODE_ENDLOOP ||
    614        inst->Opcode == OPCODE_ENDSUB) {
    615       indent -= 3;
    616    }
    617    for (i = 0; i < indent; i++) {
    618       fprintf(f, " ");
    619    }
    620 
    621    switch (inst->Opcode) {
    622    case OPCODE_SWZ:
    623       fprintf(f, "SWZ");
    624       if (inst->Saturate)
    625          fprintf(f, "_SAT");
    626       fprintf(f, " ");
    627       fprint_dst_reg(f, &inst->DstReg, mode, prog);
    628       fprintf(f, ", %s[%d], %s",
    629 	      _mesa_register_file_name((gl_register_file) inst->SrcReg[0].File),
    630 	      inst->SrcReg[0].Index,
    631 	      _mesa_swizzle_string(inst->SrcReg[0].Swizzle,
    632 				   inst->SrcReg[0].Negate, GL_TRUE));
    633       fprintf(f, ";\n");
    634       break;
    635    case OPCODE_TEX:
    636    case OPCODE_TXP:
    637    case OPCODE_TXL:
    638    case OPCODE_TXB:
    639    case OPCODE_TXD:
    640       fprintf(f, "%s", _mesa_opcode_string(inst->Opcode));
    641       if (inst->Saturate)
    642          fprintf(f, "_SAT");
    643       fprintf(f, " ");
    644       fprint_dst_reg(f, &inst->DstReg, mode, prog);
    645       fprintf(f, ", ");
    646       fprint_src_reg(f, &inst->SrcReg[0], mode, prog);
    647       if (inst->Opcode == OPCODE_TXD) {
    648          fprintf(f, ", ");
    649          fprint_src_reg(f, &inst->SrcReg[1], mode, prog);
    650          fprintf(f, ", ");
    651          fprint_src_reg(f, &inst->SrcReg[2], mode, prog);
    652       }
    653       fprintf(f, ", texture[%d], ", inst->TexSrcUnit);
    654       switch (inst->TexSrcTarget) {
    655       case TEXTURE_1D_INDEX:   fprintf(f, "1D");    break;
    656       case TEXTURE_2D_INDEX:   fprintf(f, "2D");    break;
    657       case TEXTURE_3D_INDEX:   fprintf(f, "3D");    break;
    658       case TEXTURE_CUBE_INDEX: fprintf(f, "CUBE");  break;
    659       case TEXTURE_RECT_INDEX: fprintf(f, "RECT");  break;
    660       case TEXTURE_1D_ARRAY_INDEX: fprintf(f, "1D_ARRAY"); break;
    661       case TEXTURE_2D_ARRAY_INDEX: fprintf(f, "2D_ARRAY"); break;
    662       default:
    663          ;
    664       }
    665       if (inst->TexShadow)
    666          fprintf(f, " SHADOW");
    667       fprintf(f, ";\n");
    668       break;
    669 
    670    case OPCODE_KIL:
    671       fprintf(f, "%s", _mesa_opcode_string(inst->Opcode));
    672       fprintf(f, " ");
    673       fprint_src_reg(f, &inst->SrcReg[0], mode, prog);
    674       fprintf(f, ";\n");
    675       break;
    676    case OPCODE_ARL:
    677       fprintf(f, "ARL ");
    678       fprint_dst_reg(f, &inst->DstReg, mode, prog);
    679       fprintf(f, ", ");
    680       fprint_src_reg(f, &inst->SrcReg[0], mode, prog);
    681       fprintf(f, ";\n");
    682       break;
    683    case OPCODE_IF:
    684       fprintf(f, "IF ");
    685       fprint_src_reg(f, &inst->SrcReg[0], mode, prog);
    686       fprintf(f, "; ");
    687       fprintf(f, " # (if false, goto %d)", inst->BranchTarget);
    688       fprintf(f, ";\n");
    689       return indent + 3;
    690    case OPCODE_ELSE:
    691       fprintf(f, "ELSE; # (goto %d)\n", inst->BranchTarget);
    692       return indent + 3;
    693    case OPCODE_ENDIF:
    694       fprintf(f, "ENDIF;\n");
    695       break;
    696    case OPCODE_BGNLOOP:
    697       fprintf(f, "BGNLOOP; # (end at %d)\n", inst->BranchTarget);
    698       return indent + 3;
    699    case OPCODE_ENDLOOP:
    700       fprintf(f, "ENDLOOP; # (goto %d)\n", inst->BranchTarget);
    701       break;
    702    case OPCODE_BRK:
    703    case OPCODE_CONT:
    704       fprintf(f, "%s; # (goto %d)",
    705 	      _mesa_opcode_string(inst->Opcode),
    706 	      inst->BranchTarget);
    707       fprintf(f, ";\n");
    708       break;
    709 
    710    case OPCODE_BGNSUB:
    711       fprintf(f, "BGNSUB");
    712       fprintf(f, ";\n");
    713       return indent + 3;
    714    case OPCODE_ENDSUB:
    715       if (mode == PROG_PRINT_DEBUG) {
    716          fprintf(f, "ENDSUB");
    717          fprintf(f, ";\n");
    718       }
    719       break;
    720    case OPCODE_CAL:
    721       fprintf(f, "CAL %u", inst->BranchTarget);
    722       fprintf(f, ";\n");
    723       break;
    724    case OPCODE_RET:
    725       fprintf(f, "RET");
    726       fprintf(f, ";\n");
    727       break;
    728 
    729    case OPCODE_END:
    730       fprintf(f, "END\n");
    731       break;
    732    case OPCODE_NOP:
    733       if (mode == PROG_PRINT_DEBUG) {
    734          fprintf(f, "NOP");
    735          fprintf(f, ";\n");
    736       }
    737       break;
    738    /* XXX may need other special-case instructions */
    739    default:
    740       if (inst->Opcode < MAX_OPCODE) {
    741          /* typical alu instruction */
    742          _mesa_fprint_alu_instruction(f, inst,
    743 				      _mesa_opcode_string(inst->Opcode),
    744 				      _mesa_num_inst_src_regs(inst->Opcode),
    745 				      mode, prog);
    746       }
    747       else {
    748          _mesa_fprint_alu_instruction(f, inst,
    749 				      _mesa_opcode_string(inst->Opcode),
    750 				      3/*_mesa_num_inst_src_regs(inst->Opcode)*/,
    751 				      mode, prog);
    752       }
    753       break;
    754    }
    755    return indent;
    756 }
    757 
    758 
    759 GLint
    760 _mesa_print_instruction_opt(const struct prog_instruction *inst,
    761                             GLint indent,
    762                             gl_prog_print_mode mode,
    763                             const struct gl_program *prog)
    764 {
    765    return _mesa_fprint_instruction_opt(stderr, inst, indent, mode, prog);
    766 }
    767 
    768 
    769 void
    770 _mesa_print_instruction(const struct prog_instruction *inst)
    771 {
    772    /* note: 4th param should be ignored for PROG_PRINT_DEBUG */
    773    _mesa_fprint_instruction_opt(stderr, inst, 0, PROG_PRINT_DEBUG, NULL);
    774 }
    775 
    776 
    777 
    778 /**
    779  * Print program, with options.
    780  */
    781 void
    782 _mesa_fprint_program_opt(FILE *f,
    783                          const struct gl_program *prog,
    784                          gl_prog_print_mode mode,
    785                          GLboolean lineNumbers)
    786 {
    787    GLuint i, indent = 0;
    788 
    789    switch (prog->Target) {
    790    case GL_VERTEX_PROGRAM_ARB:
    791       if (mode == PROG_PRINT_ARB)
    792          fprintf(f, "!!ARBvp1.0\n");
    793       else
    794          fprintf(f, "# Vertex Program/Shader %u\n", prog->Id);
    795       break;
    796    case GL_FRAGMENT_PROGRAM_ARB:
    797       if (mode == PROG_PRINT_ARB)
    798          fprintf(f, "!!ARBfp1.0\n");
    799       else
    800          fprintf(f, "# Fragment Program/Shader %u\n", prog->Id);
    801       break;
    802    case GL_GEOMETRY_PROGRAM_NV:
    803       fprintf(f, "# Geometry Shader\n");
    804    }
    805 
    806    for (i = 0; i < prog->arb.NumInstructions; i++) {
    807       if (lineNumbers)
    808          fprintf(f, "%3d: ", i);
    809       indent = _mesa_fprint_instruction_opt(f, prog->arb.Instructions + i,
    810                                            indent, mode, prog);
    811    }
    812 }
    813 
    814 
    815 /**
    816  * Print program to stderr, default options.
    817  */
    818 void
    819 _mesa_print_program(const struct gl_program *prog)
    820 {
    821    _mesa_fprint_program_opt(stderr, prog, PROG_PRINT_DEBUG, GL_TRUE);
    822 }
    823 
    824 
    825 /**
    826  * Return binary representation of 64-bit value (as a string).
    827  * Insert a comma to separate each group of 8 bits.
    828  * Note we return a pointer to local static storage so this is not
    829  * re-entrant, etc.
    830  * XXX move to imports.[ch] if useful elsewhere.
    831  */
    832 static const char *
    833 binary(GLbitfield64 val)
    834 {
    835    static char buf[80];
    836    GLint i, len = 0;
    837    for (i = 63; i >= 0; --i) {
    838       if (val & (BITFIELD64_BIT(i)))
    839          buf[len++] = '1';
    840       else if (len > 0 || i == 0)
    841          buf[len++] = '0';
    842       if (len > 0 && ((i-1) % 8) == 7)
    843          buf[len++] = ',';
    844    }
    845    buf[len] = '\0';
    846    return buf;
    847 }
    848 
    849 
    850 /**
    851  * Print all of a program's parameters/fields to given file.
    852  */
    853 static void
    854 _mesa_fprint_program_parameters(FILE *f,
    855                                 struct gl_context *ctx,
    856                                 const struct gl_program *prog)
    857 {
    858    GLuint i;
    859 
    860    fprintf(f, "InputsRead: %" PRIx64 " (0b%s)\n",
    861            (uint64_t) prog->info.inputs_read, binary(prog->info.inputs_read));
    862    fprintf(f, "OutputsWritten: %" PRIx64 " (0b%s)\n",
    863            (uint64_t) prog->info.outputs_written,
    864            binary(prog->info.outputs_written));
    865    fprintf(f, "NumInstructions=%d\n", prog->arb.NumInstructions);
    866    fprintf(f, "NumTemporaries=%d\n", prog->arb.NumTemporaries);
    867    fprintf(f, "NumParameters=%d\n", prog->arb.NumParameters);
    868    fprintf(f, "NumAttributes=%d\n", prog->arb.NumAttributes);
    869    fprintf(f, "NumAddressRegs=%d\n", prog->arb.NumAddressRegs);
    870    fprintf(f, "IndirectRegisterFiles: 0x%x (0b%s)\n",
    871            prog->arb.IndirectRegisterFiles,
    872            binary(prog->arb.IndirectRegisterFiles));
    873    fprintf(f, "SamplersUsed: 0x%x (0b%s)\n",
    874                  prog->SamplersUsed, binary(prog->SamplersUsed));
    875    fprintf(f, "Samplers=[ ");
    876    for (i = 0; i < MAX_SAMPLERS; i++) {
    877       fprintf(f, "%d ", prog->SamplerUnits[i]);
    878    }
    879    fprintf(f, "]\n");
    880 
    881    _mesa_load_state_parameters(ctx, prog->Parameters);
    882 
    883 #if 0
    884    fprintf(f, "Local Params:\n");
    885    for (i = 0; i < MAX_PROGRAM_LOCAL_PARAMS; i++){
    886       const GLfloat *p = prog->LocalParams[i];
    887       fprintf(f, "%2d: %f, %f, %f, %f\n", i, p[0], p[1], p[2], p[3]);
    888    }
    889 #endif
    890    _mesa_print_parameter_list(prog->Parameters);
    891 }
    892 
    893 
    894 /**
    895  * Print all of a program's parameters/fields to stderr.
    896  */
    897 void
    898 _mesa_print_program_parameters(struct gl_context *ctx, const struct gl_program *prog)
    899 {
    900    _mesa_fprint_program_parameters(stderr, ctx, prog);
    901 }
    902 
    903 
    904 /**
    905  * Print a program parameter list to given file.
    906  */
    907 static void
    908 _mesa_fprint_parameter_list(FILE *f,
    909                             const struct gl_program_parameter_list *list)
    910 {
    911    GLuint i;
    912 
    913    if (!list)
    914       return;
    915 
    916    if (0)
    917       fprintf(f, "param list %p\n", (void *) list);
    918    fprintf(f, "dirty state flags: 0x%x\n", list->StateFlags);
    919    for (i = 0; i < list->NumParameters; i++){
    920       struct gl_program_parameter *param = list->Parameters + i;
    921       const GLfloat *v = (GLfloat *) list->ParameterValues[i];
    922       fprintf(f, "param[%d] sz=%d %s %s = {%.3g, %.3g, %.3g, %.3g}",
    923 	      i, param->Size,
    924 	      _mesa_register_file_name(list->Parameters[i].Type),
    925 	      param->Name, v[0], v[1], v[2], v[3]);
    926       fprintf(f, "\n");
    927    }
    928 }
    929 
    930 
    931 /**
    932  * Print a program parameter list to stderr.
    933  */
    934 void
    935 _mesa_print_parameter_list(const struct gl_program_parameter_list *list)
    936 {
    937    _mesa_fprint_parameter_list(stderr, list);
    938 }
    939 
    940 
    941 /**
    942  * Write shader and associated info to a file.
    943  */
    944 void
    945 _mesa_write_shader_to_file(const struct gl_shader *shader)
    946 {
    947    const char *type = "????";
    948    char filename[100];
    949    FILE *f;
    950 
    951    switch (shader->Stage) {
    952    case MESA_SHADER_FRAGMENT:
    953       type = "frag";
    954       break;
    955    case MESA_SHADER_TESS_CTRL:
    956       type = "tesc";
    957       break;
    958    case MESA_SHADER_TESS_EVAL:
    959       type = "tese";
    960       break;
    961    case MESA_SHADER_VERTEX:
    962       type = "vert";
    963       break;
    964    case MESA_SHADER_GEOMETRY:
    965       type = "geom";
    966       break;
    967    case MESA_SHADER_COMPUTE:
    968       type = "comp";
    969       break;
    970    }
    971 
    972    _mesa_snprintf(filename, sizeof(filename), "shader_%u.%s", shader->Name, type);
    973    f = fopen(filename, "w");
    974    if (!f) {
    975       fprintf(stderr, "Unable to open %s for writing\n", filename);
    976       return;
    977    }
    978 
    979 #ifdef DEBUG
    980    fprintf(f, "/* Shader %u source, checksum %u */\n", shader->Name, shader->SourceChecksum);
    981 #else
    982    fprintf(f, "/* Shader %u source */\n", shader->Name);
    983 #endif
    984    fputs(shader->Source, f);
    985    fprintf(f, "\n");
    986 
    987    fprintf(f, "/* Compile status: %s */\n",
    988            shader->CompileStatus ? "ok" : "fail");
    989    fprintf(f, "/* Log Info: */\n");
    990    if (shader->InfoLog) {
    991       fputs(shader->InfoLog, f);
    992    }
    993 
    994    fclose(f);
    995 }
    996 
    997 
    998 /**
    999  * Append the shader's uniform info/values to the shader log file.
   1000  * The log file will typically have been created by the
   1001  * _mesa_write_shader_to_file function.
   1002  */
   1003 void
   1004 _mesa_append_uniforms_to_file(const struct gl_program *prog)
   1005 {
   1006    const char *type;
   1007    char filename[100];
   1008    FILE *f;
   1009 
   1010    if (prog->info.stage == MESA_SHADER_FRAGMENT)
   1011       type = "frag";
   1012    else
   1013       type = "vert";
   1014 
   1015    _mesa_snprintf(filename, sizeof(filename), "shader.%s", type);
   1016    f = fopen(filename, "a"); /* append */
   1017    if (!f) {
   1018       fprintf(stderr, "Unable to open %s for appending\n", filename);
   1019       return;
   1020    }
   1021 
   1022    fprintf(f, "/* First-draw parameters / constants */\n");
   1023    fprintf(f, "/*\n");
   1024    _mesa_fprint_parameter_list(f, prog->Parameters);
   1025    fprintf(f, "*/\n");
   1026 
   1027    fclose(f);
   1028 }
   1029