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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_LOCAL_PARAM:
  54.       return "LOCAL";
  55.    case PROGRAM_ENV_PARAM:
  56.       return "ENV";
  57.    case PROGRAM_STATE_VAR:
  58.       return "STATE";
  59.    case PROGRAM_INPUT:
  60.       return "INPUT";
  61.    case PROGRAM_OUTPUT:
  62.       return "OUTPUT";
  63.    case PROGRAM_CONSTANT:
  64.       return "CONST";
  65.    case PROGRAM_UNIFORM:
  66.       return "UNIFORM";
  67.    case PROGRAM_ADDRESS:
  68.       return "ADDR";
  69.    case PROGRAM_SAMPLER:
  70.       return "SAMPLER";
  71.    case PROGRAM_SYSTEM_VALUE:
  72.       return "SYSVAL";
  73.    case PROGRAM_UNDEFINED:
  74.       return "UNDEFINED";
  75.    default:
  76.       {
  77.          static char s[20];
  78.          _mesa_snprintf(s, sizeof(s), "FILE%u", f);
  79.          return s;
  80.       }
  81.    }
  82. }
  83.  
  84.  
  85. /**
  86.  * Return ARB_v/f_prog-style input attrib string.
  87.  */
  88. static const char *
  89. arb_input_attrib_string(GLint index, GLenum progType)
  90. {
  91.    /*
  92.     * These strings should match the VERT_ATTRIB_x and VARYING_SLOT_x tokens.
  93.     */
  94.    static const char *const vertAttribs[] = {
  95.       "vertex.position",
  96.       "vertex.weight",
  97.       "vertex.normal",
  98.       "vertex.color.primary",
  99.       "vertex.color.secondary",
  100.       "vertex.fogcoord",
  101.       "vertex.(six)", /* VERT_ATTRIB_COLOR_INDEX */
  102.       "vertex.(seven)", /* VERT_ATTRIB_EDGEFLAG */
  103.       "vertex.texcoord[0]",
  104.       "vertex.texcoord[1]",
  105.       "vertex.texcoord[2]",
  106.       "vertex.texcoord[3]",
  107.       "vertex.texcoord[4]",
  108.       "vertex.texcoord[5]",
  109.       "vertex.texcoord[6]",
  110.       "vertex.texcoord[7]",
  111.       "vertex.(sixteen)", /* VERT_ATTRIB_POINT_SIZE */
  112.       "vertex.attrib[0]",
  113.       "vertex.attrib[1]",
  114.       "vertex.attrib[2]",
  115.       "vertex.attrib[3]",
  116.       "vertex.attrib[4]",
  117.       "vertex.attrib[5]",
  118.       "vertex.attrib[6]",
  119.       "vertex.attrib[7]",
  120.       "vertex.attrib[8]",
  121.       "vertex.attrib[9]",
  122.       "vertex.attrib[10]",
  123.       "vertex.attrib[11]",
  124.       "vertex.attrib[12]",
  125.       "vertex.attrib[13]",
  126.       "vertex.attrib[14]",
  127.       "vertex.attrib[15]" /* MAX_VARYING = 16 */
  128.    };
  129.    static const char *const fragAttribs[] = {
  130.       "fragment.position",
  131.       "fragment.color.primary",
  132.       "fragment.color.secondary",
  133.       "fragment.fogcoord",
  134.       "fragment.texcoord[0]",
  135.       "fragment.texcoord[1]",
  136.       "fragment.texcoord[2]",
  137.       "fragment.texcoord[3]",
  138.       "fragment.texcoord[4]",
  139.       "fragment.texcoord[5]",
  140.       "fragment.texcoord[6]",
  141.       "fragment.texcoord[7]",
  142.       "fragment.(twelve)", /* VARYING_SLOT_PSIZ */
  143.       "fragment.(thirteen)", /* VARYING_SLOT_BFC0 */
  144.       "fragment.(fourteen)", /* VARYING_SLOT_BFC1 */
  145.       "fragment.(fifteen)", /* VARYING_SLOT_EDGE */
  146.       "fragment.(sixteen)", /* VARYING_SLOT_CLIP_VERTEX */
  147.       "fragment.(seventeen)", /* VARYING_SLOT_CLIP_DIST0 */
  148.       "fragment.(eighteen)", /* VARYING_SLOT_CLIP_DIST1 */
  149.       "fragment.(nineteen)", /* VARYING_SLOT_PRIMITIVE_ID */
  150.       "fragment.(twenty)", /* VARYING_SLOT_LAYER */
  151.       "fragment.(twenty-one)", /* VARYING_SLOT_FACE */
  152.       "fragment.(twenty-two)", /* VARYING_SLOT_PNTC */
  153.       "fragment.varying[0]",
  154.       "fragment.varying[1]",
  155.       "fragment.varying[2]",
  156.       "fragment.varying[3]",
  157.       "fragment.varying[4]",
  158.       "fragment.varying[5]",
  159.       "fragment.varying[6]",
  160.       "fragment.varying[7]",
  161.       "fragment.varying[8]",
  162.       "fragment.varying[9]",
  163.       "fragment.varying[10]",
  164.       "fragment.varying[11]",
  165.       "fragment.varying[12]",
  166.       "fragment.varying[13]",
  167.       "fragment.varying[14]",
  168.       "fragment.varying[15]",
  169.       "fragment.varying[16]",
  170.       "fragment.varying[17]",
  171.       "fragment.varying[18]",
  172.       "fragment.varying[19]",
  173.       "fragment.varying[20]",
  174.       "fragment.varying[21]",
  175.       "fragment.varying[22]",
  176.       "fragment.varying[23]",
  177.       "fragment.varying[24]",
  178.       "fragment.varying[25]",
  179.       "fragment.varying[26]",
  180.       "fragment.varying[27]",
  181.       "fragment.varying[28]",
  182.       "fragment.varying[29]",
  183.       "fragment.varying[30]",
  184.       "fragment.varying[31]", /* MAX_VARYING = 32 */
  185.    };
  186.  
  187.    /* sanity checks */
  188.    STATIC_ASSERT(Elements(vertAttribs) == VERT_ATTRIB_MAX);
  189.    STATIC_ASSERT(Elements(fragAttribs) == VARYING_SLOT_MAX);
  190.    assert(strcmp(vertAttribs[VERT_ATTRIB_TEX0], "vertex.texcoord[0]") == 0);
  191.    assert(strcmp(vertAttribs[VERT_ATTRIB_GENERIC15], "vertex.attrib[15]") == 0);
  192.    assert(strcmp(fragAttribs[VARYING_SLOT_TEX0], "fragment.texcoord[0]") == 0);
  193.    assert(strcmp(fragAttribs[VARYING_SLOT_VAR0+15], "fragment.varying[15]") == 0);
  194.  
  195.    if (progType == GL_VERTEX_PROGRAM_ARB) {
  196.       assert(index < Elements(vertAttribs));
  197.       return vertAttribs[index];
  198.    }
  199.    else {
  200.       assert(progType == GL_FRAGMENT_PROGRAM_ARB);
  201.       assert(index < Elements(fragAttribs));
  202.       return fragAttribs[index];
  203.    }
  204. }
  205.  
  206.  
  207. /**
  208.  * Print a vertex program's InputsRead field in human-readable format.
  209.  * For debugging.
  210.  */
  211. void
  212. _mesa_print_vp_inputs(GLbitfield inputs)
  213. {
  214.    printf("VP Inputs 0x%x: \n", inputs);
  215.    while (inputs) {
  216.       GLint attr = ffs(inputs) - 1;
  217.       const char *name = arb_input_attrib_string(attr,
  218.                                                  GL_VERTEX_PROGRAM_ARB);
  219.       printf("  %d: %s\n", attr, name);
  220.       inputs &= ~(1 << attr);
  221.    }
  222. }
  223.  
  224.  
  225. /**
  226.  * Print a fragment program's InputsRead field in human-readable format.
  227.  * For debugging.
  228.  */
  229. void
  230. _mesa_print_fp_inputs(GLbitfield inputs)
  231. {
  232.    printf("FP Inputs 0x%x: \n", inputs);
  233.    while (inputs) {
  234.       GLint attr = ffs(inputs) - 1;
  235.       const char *name = arb_input_attrib_string(attr,
  236.                                                  GL_FRAGMENT_PROGRAM_ARB);
  237.       printf("  %d: %s\n", attr, name);
  238.       inputs &= ~(1 << attr);
  239.    }
  240. }
  241.  
  242.  
  243.  
  244. /**
  245.  * Return ARB_v/f_prog-style output attrib string.
  246.  */
  247. static const char *
  248. arb_output_attrib_string(GLint index, GLenum progType)
  249. {
  250.    /*
  251.     * These strings should match the VARYING_SLOT_x and FRAG_RESULT_x tokens.
  252.     */
  253.    static const char *const vertResults[] = {
  254.       "result.position",
  255.       "result.color.primary",
  256.       "result.color.secondary",
  257.       "result.fogcoord",
  258.       "result.texcoord[0]",
  259.       "result.texcoord[1]",
  260.       "result.texcoord[2]",
  261.       "result.texcoord[3]",
  262.       "result.texcoord[4]",
  263.       "result.texcoord[5]",
  264.       "result.texcoord[6]",
  265.       "result.texcoord[7]",
  266.       "result.pointsize", /* VARYING_SLOT_PSIZ */
  267.       "result.(thirteen)", /* VARYING_SLOT_BFC0 */
  268.       "result.(fourteen)", /* VARYING_SLOT_BFC1 */
  269.       "result.(fifteen)", /* VARYING_SLOT_EDGE */
  270.       "result.(sixteen)", /* VARYING_SLOT_CLIP_VERTEX */
  271.       "result.(seventeen)", /* VARYING_SLOT_CLIP_DIST0 */
  272.       "result.(eighteen)", /* VARYING_SLOT_CLIP_DIST1 */
  273.       "result.(nineteen)", /* VARYING_SLOT_PRIMITIVE_ID */
  274.       "result.(twenty)", /* VARYING_SLOT_LAYER */
  275.       "result.(twenty-one)", /* VARYING_SLOT_FACE */
  276.       "result.(twenty-two)", /* VARYING_SLOT_PNTC */
  277.       "result.varying[0]",
  278.       "result.varying[1]",
  279.       "result.varying[2]",
  280.       "result.varying[3]",
  281.       "result.varying[4]",
  282.       "result.varying[5]",
  283.       "result.varying[6]",
  284.       "result.varying[7]",
  285.       "result.varying[8]",
  286.       "result.varying[9]",
  287.       "result.varying[10]",
  288.       "result.varying[11]",
  289.       "result.varying[12]",
  290.       "result.varying[13]",
  291.       "result.varying[14]",
  292.       "result.varying[15]",
  293.       "result.varying[16]",
  294.       "result.varying[17]",
  295.       "result.varying[18]",
  296.       "result.varying[19]",
  297.       "result.varying[20]",
  298.       "result.varying[21]",
  299.       "result.varying[22]",
  300.       "result.varying[23]",
  301.       "result.varying[24]",
  302.       "result.varying[25]",
  303.       "result.varying[26]",
  304.       "result.varying[27]",
  305.       "result.varying[28]",
  306.       "result.varying[29]",
  307.       "result.varying[30]",
  308.       "result.varying[31]", /* MAX_VARYING = 32 */
  309.    };
  310.    static const char *const fragResults[] = {
  311.       "result.depth", /* FRAG_RESULT_DEPTH */
  312.       "result.(one)", /* FRAG_RESULT_STENCIL */
  313.       "result.color", /* FRAG_RESULT_COLOR */
  314.       "result.color[0]", /* FRAG_RESULT_DATA0 (named for GLSL's gl_FragData) */
  315.       "result.color[1]",
  316.       "result.color[2]",
  317.       "result.color[3]",
  318.       "result.color[4]",
  319.       "result.color[5]",
  320.       "result.color[6]",
  321.       "result.color[7]" /* MAX_DRAW_BUFFERS = 8 */
  322.    };
  323.  
  324.    /* sanity checks */
  325.    STATIC_ASSERT(Elements(vertResults) == VARYING_SLOT_MAX);
  326.    STATIC_ASSERT(Elements(fragResults) == FRAG_RESULT_MAX);
  327.    assert(strcmp(vertResults[VARYING_SLOT_POS], "result.position") == 0);
  328.    assert(strcmp(vertResults[VARYING_SLOT_VAR0], "result.varying[0]") == 0);
  329.    assert(strcmp(fragResults[FRAG_RESULT_DATA0], "result.color[0]") == 0);
  330.  
  331.    if (progType == GL_VERTEX_PROGRAM_ARB) {
  332.       assert(index < Elements(vertResults));
  333.       return vertResults[index];
  334.    }
  335.    else {
  336.       assert(progType == GL_FRAGMENT_PROGRAM_ARB);
  337.       assert(index < Elements(fragResults));
  338.       return fragResults[index];
  339.    }
  340. }
  341.  
  342.  
  343. /**
  344.  * Return string representation of the given register.
  345.  * Note that some types of registers (like PROGRAM_UNIFORM) aren't defined
  346.  * by the ARB/NV program languages so we've taken some liberties here.
  347.  * \param f  the register file (PROGRAM_INPUT, PROGRAM_TEMPORARY, etc)
  348.  * \param index  number of the register in the register file
  349.  * \param mode  the output format/mode/style
  350.  * \param prog  pointer to containing program
  351.  */
  352. static const char *
  353. reg_string(gl_register_file f, GLint index, gl_prog_print_mode mode,
  354.            GLboolean relAddr, const struct gl_program *prog,
  355.            GLboolean hasIndex2, GLboolean relAddr2, GLint index2)
  356. {
  357.    static char str[100];
  358.    const char *addr = relAddr ? "ADDR+" : "";
  359.  
  360.    str[0] = 0;
  361.  
  362.    switch (mode) {
  363.    case PROG_PRINT_DEBUG:
  364.       sprintf(str, "%s[%s%d]",
  365.               _mesa_register_file_name(f), addr, index);
  366.       if (hasIndex2) {
  367.          int offset = strlen(str);
  368.          const char *addr2 = relAddr2 ? "ADDR+" : "";
  369.          sprintf(str+offset, "[%s%d]", addr2, index2);
  370.       }
  371.       break;
  372.  
  373.    case PROG_PRINT_ARB:
  374.       switch (f) {
  375.       case PROGRAM_INPUT:
  376.          sprintf(str, "%s", arb_input_attrib_string(index, prog->Target));
  377.          break;
  378.       case PROGRAM_OUTPUT:
  379.          sprintf(str, "%s", arb_output_attrib_string(index, prog->Target));
  380.          break;
  381.       case PROGRAM_TEMPORARY:
  382.          sprintf(str, "temp%d", index);
  383.          break;
  384.       case PROGRAM_ENV_PARAM:
  385.          sprintf(str, "program.env[%s%d]", addr, index);
  386.          break;
  387.       case PROGRAM_LOCAL_PARAM:
  388.          sprintf(str, "program.local[%s%d]", addr, index);
  389.          break;
  390.       case PROGRAM_CONSTANT: /* extension */
  391.          sprintf(str, "constant[%s%d]", addr, index);
  392.          break;
  393.       case PROGRAM_UNIFORM: /* extension */
  394.          sprintf(str, "uniform[%s%d]", addr, index);
  395.          break;
  396.       case PROGRAM_SYSTEM_VALUE:
  397.          sprintf(str, "sysvalue[%s%d]", addr, index);
  398.          break;
  399.       case PROGRAM_STATE_VAR:
  400.          {
  401.             struct gl_program_parameter *param
  402.                = prog->Parameters->Parameters + index;
  403.             char *state = _mesa_program_state_string(param->StateIndexes);
  404.             sprintf(str, "%s", state);
  405.             free(state);
  406.          }
  407.          break;
  408.       case PROGRAM_ADDRESS:
  409.          sprintf(str, "A%d", index);
  410.          break;
  411.       default:
  412.          _mesa_problem(NULL, "bad file in reg_string()");
  413.       }
  414.       break;
  415.  
  416.    default:
  417.       _mesa_problem(NULL, "bad mode in reg_string()");
  418.    }
  419.  
  420.    return str;
  421. }
  422.  
  423.  
  424. /**
  425.  * Return a string representation of the given swizzle word.
  426.  * If extended is true, use extended (comma-separated) format.
  427.  * \param swizzle  the swizzle field
  428.  * \param negateBase  4-bit negation vector
  429.  * \param extended  if true, also allow 0, 1 values
  430.  */
  431. const char *
  432. _mesa_swizzle_string(GLuint swizzle, GLuint negateMask, GLboolean extended)
  433. {
  434.    static const char swz[] = "xyzw01!?";  /* See SWIZZLE_x definitions */
  435.    static char s[20];
  436.    GLuint i = 0;
  437.  
  438.    if (!extended && swizzle == SWIZZLE_NOOP && negateMask == 0)
  439.       return ""; /* no swizzle/negation */
  440.  
  441.    if (!extended)
  442.       s[i++] = '.';
  443.  
  444.    if (negateMask & NEGATE_X)
  445.       s[i++] = '-';
  446.    s[i++] = swz[GET_SWZ(swizzle, 0)];
  447.  
  448.    if (extended) {
  449.       s[i++] = ',';
  450.    }
  451.  
  452.    if (negateMask & NEGATE_Y)
  453.       s[i++] = '-';
  454.    s[i++] = swz[GET_SWZ(swizzle, 1)];
  455.  
  456.    if (extended) {
  457.       s[i++] = ',';
  458.    }
  459.  
  460.    if (negateMask & NEGATE_Z)
  461.       s[i++] = '-';
  462.    s[i++] = swz[GET_SWZ(swizzle, 2)];
  463.  
  464.    if (extended) {
  465.       s[i++] = ',';
  466.    }
  467.  
  468.    if (negateMask & NEGATE_W)
  469.       s[i++] = '-';
  470.    s[i++] = swz[GET_SWZ(swizzle, 3)];
  471.  
  472.    s[i] = 0;
  473.    return s;
  474. }
  475.  
  476.  
  477. void
  478. _mesa_print_swizzle(GLuint swizzle)
  479. {
  480.    if (swizzle == SWIZZLE_XYZW) {
  481.       printf(".xyzw\n");
  482.    }
  483.    else {
  484.       const char *s = _mesa_swizzle_string(swizzle, 0, 0);
  485.       printf("%s\n", s);
  486.    }
  487. }
  488.  
  489.  
  490. const char *
  491. _mesa_writemask_string(GLuint writeMask)
  492. {
  493.    static char s[10];
  494.    GLuint i = 0;
  495.  
  496.    if (writeMask == WRITEMASK_XYZW)
  497.       return "";
  498.  
  499.    s[i++] = '.';
  500.    if (writeMask & WRITEMASK_X)
  501.       s[i++] = 'x';
  502.    if (writeMask & WRITEMASK_Y)
  503.       s[i++] = 'y';
  504.    if (writeMask & WRITEMASK_Z)
  505.       s[i++] = 'z';
  506.    if (writeMask & WRITEMASK_W)
  507.       s[i++] = 'w';
  508.  
  509.    s[i] = 0;
  510.    return s;
  511. }
  512.  
  513.  
  514. const char *
  515. _mesa_condcode_string(GLuint condcode)
  516. {
  517.    switch (condcode) {
  518.    case COND_GT:  return "GT";
  519.    case COND_EQ:  return "EQ";
  520.    case COND_LT:  return "LT";
  521.    case COND_UN:  return "UN";
  522.    case COND_GE:  return "GE";
  523.    case COND_LE:  return "LE";
  524.    case COND_NE:  return "NE";
  525.    case COND_TR:  return "TR";
  526.    case COND_FL:  return "FL";
  527.    default: return "cond???";
  528.    }
  529. }
  530.  
  531.  
  532. static void
  533. fprint_dst_reg(FILE * f,
  534.                const struct prog_dst_register *dstReg,
  535.                gl_prog_print_mode mode,
  536.                const struct gl_program *prog)
  537. {
  538.    fprintf(f, "%s%s",
  539.            reg_string((gl_register_file) dstReg->File,
  540.                       dstReg->Index, mode, dstReg->RelAddr, prog,
  541.                       GL_FALSE, GL_FALSE, 0),
  542.            _mesa_writemask_string(dstReg->WriteMask));
  543.    
  544.    if (dstReg->CondMask != COND_TR) {
  545.       fprintf(f, " (%s.%s)",
  546.               _mesa_condcode_string(dstReg->CondMask),
  547.               _mesa_swizzle_string(dstReg->CondSwizzle,
  548.                                    GL_FALSE, GL_FALSE));
  549.    }
  550.  
  551. #if 0
  552.    fprintf(f, "%s[%d]%s",
  553.            _mesa_register_file_name((gl_register_file) dstReg->File),
  554.            dstReg->Index,
  555.            _mesa_writemask_string(dstReg->WriteMask));
  556. #endif
  557. }
  558.  
  559.  
  560. static void
  561. fprint_src_reg(FILE *f,
  562.                const struct prog_src_register *srcReg,
  563.                gl_prog_print_mode mode,
  564.                const struct gl_program *prog)
  565. {
  566.    const char *abs = srcReg->Abs ? "|" : "";
  567.  
  568.    fprintf(f, "%s%s%s%s",
  569.            abs,
  570.            reg_string((gl_register_file) srcReg->File,
  571.                       srcReg->Index, mode, srcReg->RelAddr, prog,
  572.                       srcReg->HasIndex2, srcReg->RelAddr2, srcReg->Index2),
  573.            _mesa_swizzle_string(srcReg->Swizzle,
  574.                                 srcReg->Negate, GL_FALSE),
  575.            abs);
  576. #if 0
  577.    fprintf(f, "%s[%d]%s",
  578.            _mesa_register_file_name((gl_register_file) srcReg->File),
  579.            srcReg->Index,
  580.            _mesa_swizzle_string(srcReg->Swizzle,
  581.                                 srcReg->Negate, GL_FALSE));
  582. #endif
  583. }
  584.  
  585.  
  586. static void
  587. fprint_comment(FILE *f, const struct prog_instruction *inst)
  588. {
  589.    if (inst->Comment)
  590.       fprintf(f, ";  # %s\n", inst->Comment);
  591.    else
  592.       fprintf(f, ";\n");
  593. }
  594.  
  595.  
  596. void
  597. _mesa_fprint_alu_instruction(FILE *f,
  598.                              const struct prog_instruction *inst,
  599.                              const char *opcode_string, GLuint numRegs,
  600.                              gl_prog_print_mode mode,
  601.                              const struct gl_program *prog)
  602. {
  603.    GLuint j;
  604.  
  605.    fprintf(f, "%s", opcode_string);
  606.    if (inst->CondUpdate)
  607.       fprintf(f, ".C");
  608.  
  609.    /* frag prog only */
  610.    if (inst->SaturateMode == SATURATE_ZERO_ONE)
  611.       fprintf(f, "_SAT");
  612.  
  613.    fprintf(f, " ");
  614.    if (inst->DstReg.File != PROGRAM_UNDEFINED) {
  615.       fprint_dst_reg(f, &inst->DstReg, mode, prog);
  616.    }
  617.    else {
  618.       fprintf(f, " ???");
  619.    }
  620.  
  621.    if (numRegs > 0)
  622.       fprintf(f, ", ");
  623.  
  624.    for (j = 0; j < numRegs; j++) {
  625.       fprint_src_reg(f, inst->SrcReg + j, mode, prog);
  626.       if (j + 1 < numRegs)
  627.          fprintf(f, ", ");
  628.    }
  629.  
  630.    fprint_comment(f, inst);
  631. }
  632.  
  633.  
  634. void
  635. _mesa_print_alu_instruction(const struct prog_instruction *inst,
  636.                             const char *opcode_string, GLuint numRegs)
  637. {
  638.    _mesa_fprint_alu_instruction(stderr, inst, opcode_string,
  639.                                 numRegs, PROG_PRINT_DEBUG, NULL);
  640. }
  641.  
  642.  
  643. /**
  644.  * Print a single vertex/fragment program instruction.
  645.  */
  646. GLint
  647. _mesa_fprint_instruction_opt(FILE *f,
  648.                             const struct prog_instruction *inst,
  649.                             GLint indent,
  650.                             gl_prog_print_mode mode,
  651.                             const struct gl_program *prog)
  652. {
  653.    GLint i;
  654.  
  655.    if (inst->Opcode == OPCODE_ELSE ||
  656.        inst->Opcode == OPCODE_ENDIF ||
  657.        inst->Opcode == OPCODE_ENDLOOP ||
  658.        inst->Opcode == OPCODE_ENDSUB) {
  659.       indent -= 3;
  660.    }
  661.    for (i = 0; i < indent; i++) {
  662.       fprintf(f, " ");
  663.    }
  664.  
  665.    switch (inst->Opcode) {
  666.    case OPCODE_SWZ:
  667.       fprintf(f, "SWZ");
  668.       if (inst->SaturateMode == SATURATE_ZERO_ONE)
  669.          fprintf(f, "_SAT");
  670.       fprintf(f, " ");
  671.       fprint_dst_reg(f, &inst->DstReg, mode, prog);
  672.       fprintf(f, ", %s[%d], %s",
  673.               _mesa_register_file_name((gl_register_file) inst->SrcReg[0].File),
  674.               inst->SrcReg[0].Index,
  675.               _mesa_swizzle_string(inst->SrcReg[0].Swizzle,
  676.                                    inst->SrcReg[0].Negate, GL_TRUE));
  677.       fprint_comment(f, inst);
  678.       break;
  679.    case OPCODE_TEX:
  680.    case OPCODE_TXP:
  681.    case OPCODE_TXL:
  682.    case OPCODE_TXB:
  683.    case OPCODE_TXD:
  684.       fprintf(f, "%s", _mesa_opcode_string(inst->Opcode));
  685.       if (inst->SaturateMode == SATURATE_ZERO_ONE)
  686.          fprintf(f, "_SAT");
  687.       fprintf(f, " ");
  688.       fprint_dst_reg(f, &inst->DstReg, mode, prog);
  689.       fprintf(f, ", ");
  690.       fprint_src_reg(f, &inst->SrcReg[0], mode, prog);
  691.       if (inst->Opcode == OPCODE_TXD) {
  692.          fprintf(f, ", ");
  693.          fprint_src_reg(f, &inst->SrcReg[1], mode, prog);
  694.          fprintf(f, ", ");
  695.          fprint_src_reg(f, &inst->SrcReg[2], mode, prog);
  696.       }
  697.       fprintf(f, ", texture[%d], ", inst->TexSrcUnit);
  698.       switch (inst->TexSrcTarget) {
  699.       case TEXTURE_1D_INDEX:   fprintf(f, "1D");    break;
  700.       case TEXTURE_2D_INDEX:   fprintf(f, "2D");    break;
  701.       case TEXTURE_3D_INDEX:   fprintf(f, "3D");    break;
  702.       case TEXTURE_CUBE_INDEX: fprintf(f, "CUBE");  break;
  703.       case TEXTURE_RECT_INDEX: fprintf(f, "RECT");  break;
  704.       case TEXTURE_1D_ARRAY_INDEX: fprintf(f, "1D_ARRAY"); break;
  705.       case TEXTURE_2D_ARRAY_INDEX: fprintf(f, "2D_ARRAY"); break;
  706.       default:
  707.          ;
  708.       }
  709.       if (inst->TexShadow)
  710.          fprintf(f, " SHADOW");
  711.       fprint_comment(f, inst);
  712.       break;
  713.  
  714.    case OPCODE_KIL:
  715.       fprintf(f, "%s", _mesa_opcode_string(inst->Opcode));
  716.       fprintf(f, " ");
  717.       fprint_src_reg(f, &inst->SrcReg[0], mode, prog);
  718.       fprint_comment(f, inst);
  719.       break;
  720.    case OPCODE_KIL_NV:
  721.       fprintf(f, "%s", _mesa_opcode_string(inst->Opcode));
  722.       fprintf(f, " ");
  723.       fprintf(f, "%s.%s",
  724.               _mesa_condcode_string(inst->DstReg.CondMask),
  725.               _mesa_swizzle_string(inst->DstReg.CondSwizzle,
  726.                                    GL_FALSE, GL_FALSE));
  727.       fprint_comment(f, inst);
  728.       break;
  729.  
  730.    case OPCODE_ARL:
  731.       fprintf(f, "ARL ");
  732.       fprint_dst_reg(f, &inst->DstReg, mode, prog);
  733.       fprintf(f, ", ");
  734.       fprint_src_reg(f, &inst->SrcReg[0], mode, prog);
  735.       fprint_comment(f, inst);
  736.       break;
  737.    case OPCODE_IF:
  738.       if (inst->SrcReg[0].File != PROGRAM_UNDEFINED) {
  739.          /* Use ordinary register */
  740.          fprintf(f, "IF ");
  741.          fprint_src_reg(f, &inst->SrcReg[0], mode, prog);
  742.          fprintf(f, "; ");
  743.       }
  744.       else {
  745.          /* Use cond codes */
  746.          fprintf(f, "IF (%s%s);",
  747.                  _mesa_condcode_string(inst->DstReg.CondMask),
  748.                  _mesa_swizzle_string(inst->DstReg.CondSwizzle,
  749.                                       0, GL_FALSE));
  750.       }
  751.       fprintf(f, " # (if false, goto %d)", inst->BranchTarget);
  752.       fprint_comment(f, inst);
  753.       return indent + 3;
  754.    case OPCODE_ELSE:
  755.       fprintf(f, "ELSE; # (goto %d)\n", inst->BranchTarget);
  756.       return indent + 3;
  757.    case OPCODE_ENDIF:
  758.       fprintf(f, "ENDIF;\n");
  759.       break;
  760.    case OPCODE_BGNLOOP:
  761.       fprintf(f, "BGNLOOP; # (end at %d)\n", inst->BranchTarget);
  762.       return indent + 3;
  763.    case OPCODE_ENDLOOP:
  764.       fprintf(f, "ENDLOOP; # (goto %d)\n", inst->BranchTarget);
  765.       break;
  766.    case OPCODE_BRK:
  767.    case OPCODE_CONT:
  768.       fprintf(f, "%s (%s%s); # (goto %d)",
  769.               _mesa_opcode_string(inst->Opcode),
  770.               _mesa_condcode_string(inst->DstReg.CondMask),
  771.               _mesa_swizzle_string(inst->DstReg.CondSwizzle, 0, GL_FALSE),
  772.               inst->BranchTarget);
  773.       fprint_comment(f, inst);
  774.       break;
  775.  
  776.    case OPCODE_BGNSUB:
  777.       fprintf(f, "BGNSUB");
  778.       fprint_comment(f, inst);
  779.       return indent + 3;
  780.    case OPCODE_ENDSUB:
  781.       if (mode == PROG_PRINT_DEBUG) {
  782.          fprintf(f, "ENDSUB");
  783.          fprint_comment(f, inst);
  784.       }
  785.       break;
  786.    case OPCODE_CAL:
  787.       fprintf(f, "CAL %u", inst->BranchTarget);
  788.       fprint_comment(f, inst);
  789.       break;
  790.    case OPCODE_RET:
  791.       fprintf(f, "RET (%s%s)",
  792.               _mesa_condcode_string(inst->DstReg.CondMask),
  793.               _mesa_swizzle_string(inst->DstReg.CondSwizzle, 0, GL_FALSE));
  794.       fprint_comment(f, inst);
  795.       break;
  796.  
  797.    case OPCODE_END:
  798.       fprintf(f, "END\n");
  799.       break;
  800.    case OPCODE_NOP:
  801.       if (mode == PROG_PRINT_DEBUG) {
  802.          fprintf(f, "NOP");
  803.          fprint_comment(f, inst);
  804.       }
  805.       else if (inst->Comment) {
  806.          /* ARB/NV extensions don't have NOP instruction */
  807.          fprintf(f, "# %s\n", inst->Comment);
  808.       }
  809.       break;
  810.    /* XXX may need other special-case instructions */
  811.    default:
  812.       if (inst->Opcode < MAX_OPCODE) {
  813.          /* typical alu instruction */
  814.          _mesa_fprint_alu_instruction(f, inst,
  815.                                       _mesa_opcode_string(inst->Opcode),
  816.                                       _mesa_num_inst_src_regs(inst->Opcode),
  817.                                       mode, prog);
  818.       }
  819.       else {
  820.          _mesa_fprint_alu_instruction(f, inst,
  821.                                       _mesa_opcode_string(inst->Opcode),
  822.                                       3/*_mesa_num_inst_src_regs(inst->Opcode)*/,
  823.                                       mode, prog);
  824.       }
  825.       break;
  826.    }
  827.    return indent;
  828. }
  829.  
  830.  
  831. GLint
  832. _mesa_print_instruction_opt(const struct prog_instruction *inst,
  833.                             GLint indent,
  834.                             gl_prog_print_mode mode,
  835.                             const struct gl_program *prog)
  836. {
  837.    return _mesa_fprint_instruction_opt(stderr, inst, indent, mode, prog);
  838. }
  839.  
  840.  
  841. void
  842. _mesa_print_instruction(const struct prog_instruction *inst)
  843. {
  844.    /* note: 4th param should be ignored for PROG_PRINT_DEBUG */
  845.    _mesa_fprint_instruction_opt(stderr, inst, 0, PROG_PRINT_DEBUG, NULL);
  846. }
  847.  
  848.  
  849.  
  850. /**
  851.  * Print program, with options.
  852.  */
  853. void
  854. _mesa_fprint_program_opt(FILE *f,
  855.                          const struct gl_program *prog,
  856.                          gl_prog_print_mode mode,
  857.                          GLboolean lineNumbers)
  858. {
  859.    GLuint i, indent = 0;
  860.  
  861.    switch (prog->Target) {
  862.    case GL_VERTEX_PROGRAM_ARB:
  863.       if (mode == PROG_PRINT_ARB)
  864.          fprintf(f, "!!ARBvp1.0\n");
  865.       else
  866.          fprintf(f, "# Vertex Program/Shader %u\n", prog->Id);
  867.       break;
  868.    case GL_FRAGMENT_PROGRAM_ARB:
  869.       if (mode == PROG_PRINT_ARB)
  870.          fprintf(f, "!!ARBfp1.0\n");
  871.       else
  872.          fprintf(f, "# Fragment Program/Shader %u\n", prog->Id);
  873.       break;
  874.    case MESA_GEOMETRY_PROGRAM:
  875.       fprintf(f, "# Geometry Shader\n");
  876.    }
  877.  
  878.    for (i = 0; i < prog->NumInstructions; i++) {
  879.       if (lineNumbers)
  880.          fprintf(f, "%3d: ", i);
  881.       indent = _mesa_fprint_instruction_opt(f, prog->Instructions + i,
  882.                                            indent, mode, prog);
  883.    }
  884. }
  885.  
  886.  
  887. /**
  888.  * Print program to stderr, default options.
  889.  */
  890. void
  891. _mesa_print_program(const struct gl_program *prog)
  892. {
  893.    _mesa_fprint_program_opt(stderr, prog, PROG_PRINT_DEBUG, GL_TRUE);
  894. }
  895.  
  896.  
  897. /**
  898.  * Return binary representation of 64-bit value (as a string).
  899.  * Insert a comma to separate each group of 8 bits.
  900.  * Note we return a pointer to local static storage so this is not
  901.  * re-entrant, etc.
  902.  * XXX move to imports.[ch] if useful elsewhere.
  903.  */
  904. static const char *
  905. binary(GLbitfield64 val)
  906. {
  907.    static char buf[80];
  908.    GLint i, len = 0;
  909.    for (i = 63; i >= 0; --i) {
  910.       if (val & (BITFIELD64_BIT(i)))
  911.          buf[len++] = '1';
  912.       else if (len > 0 || i == 0)
  913.          buf[len++] = '0';
  914.       if (len > 0 && ((i-1) % 8) == 7)
  915.          buf[len++] = ',';
  916.    }
  917.    buf[len] = '\0';
  918.    return buf;
  919. }
  920.  
  921.  
  922. /**
  923.  * Print all of a program's parameters/fields to given file.
  924.  */
  925. static void
  926. _mesa_fprint_program_parameters(FILE *f,
  927.                                 struct gl_context *ctx,
  928.                                 const struct gl_program *prog)
  929. {
  930.    GLuint i;
  931.  
  932.    fprintf(f, "InputsRead: %" PRIx64 " (0b%s)\n",
  933.            (uint64_t) prog->InputsRead, binary(prog->InputsRead));
  934.    fprintf(f, "OutputsWritten: %" PRIx64 " (0b%s)\n",
  935.            (uint64_t) prog->OutputsWritten, binary(prog->OutputsWritten));
  936.    fprintf(f, "NumInstructions=%d\n", prog->NumInstructions);
  937.    fprintf(f, "NumTemporaries=%d\n", prog->NumTemporaries);
  938.    fprintf(f, "NumParameters=%d\n", prog->NumParameters);
  939.    fprintf(f, "NumAttributes=%d\n", prog->NumAttributes);
  940.    fprintf(f, "NumAddressRegs=%d\n", prog->NumAddressRegs);
  941.    fprintf(f, "IndirectRegisterFiles: 0x%x (0b%s)\n",
  942.            prog->IndirectRegisterFiles, binary(prog->IndirectRegisterFiles));
  943.    fprintf(f, "SamplersUsed: 0x%x (0b%s)\n",
  944.                  prog->SamplersUsed, binary(prog->SamplersUsed));
  945.    fprintf(f, "Samplers=[ ");
  946.    for (i = 0; i < MAX_SAMPLERS; i++) {
  947.       fprintf(f, "%d ", prog->SamplerUnits[i]);
  948.    }
  949.    fprintf(f, "]\n");
  950.  
  951.    _mesa_load_state_parameters(ctx, prog->Parameters);
  952.  
  953. #if 0
  954.    fprintf(f, "Local Params:\n");
  955.    for (i = 0; i < MAX_PROGRAM_LOCAL_PARAMS; i++){
  956.       const GLfloat *p = prog->LocalParams[i];
  957.       fprintf(f, "%2d: %f, %f, %f, %f\n", i, p[0], p[1], p[2], p[3]);
  958.    }
  959. #endif 
  960.    _mesa_print_parameter_list(prog->Parameters);
  961. }
  962.  
  963.  
  964. /**
  965.  * Print all of a program's parameters/fields to stderr.
  966.  */
  967. void
  968. _mesa_print_program_parameters(struct gl_context *ctx, const struct gl_program *prog)
  969. {
  970.    _mesa_fprint_program_parameters(stderr, ctx, prog);
  971. }
  972.  
  973.  
  974. /**
  975.  * Print a program parameter list to given file.
  976.  */
  977. static void
  978. _mesa_fprint_parameter_list(FILE *f,
  979.                             const struct gl_program_parameter_list *list)
  980. {
  981.    GLuint i;
  982.  
  983.    if (!list)
  984.       return;
  985.  
  986.    if (0)
  987.       fprintf(f, "param list %p\n", (void *) list);
  988.    fprintf(f, "dirty state flags: 0x%x\n", list->StateFlags);
  989.    for (i = 0; i < list->NumParameters; i++){
  990.       struct gl_program_parameter *param = list->Parameters + i;
  991.       const GLfloat *v = (GLfloat *) list->ParameterValues[i];
  992.       fprintf(f, "param[%d] sz=%d %s %s = {%.3g, %.3g, %.3g, %.3g}",
  993.               i, param->Size,
  994.               _mesa_register_file_name(list->Parameters[i].Type),
  995.               param->Name, v[0], v[1], v[2], v[3]);
  996.       fprintf(f, "\n");
  997.    }
  998. }
  999.  
  1000.  
  1001. /**
  1002.  * Print a program parameter list to stderr.
  1003.  */
  1004. void
  1005. _mesa_print_parameter_list(const struct gl_program_parameter_list *list)
  1006. {
  1007.    _mesa_fprint_parameter_list(stderr, list);
  1008. }
  1009.  
  1010.  
  1011. /**
  1012.  * Write shader and associated info to a file.
  1013.  */
  1014. void
  1015. _mesa_write_shader_to_file(const struct gl_shader *shader)
  1016. {
  1017.    const char *type;
  1018.    char filename[100];
  1019.    FILE *f;
  1020.  
  1021.    if (shader->Type == GL_FRAGMENT_SHADER)
  1022.       type = "frag";
  1023.    else if (shader->Type == GL_VERTEX_SHADER)
  1024.       type = "vert";
  1025.    else
  1026.       type = "geom";
  1027.  
  1028.    _mesa_snprintf(filename, sizeof(filename), "shader_%u.%s", shader->Name, type);
  1029.    f = fopen(filename, "w");
  1030.    if (!f) {
  1031.       fprintf(stderr, "Unable to open %s for writing\n", filename);
  1032.       return;
  1033.    }
  1034.  
  1035.    fprintf(f, "/* Shader %u source, checksum %u */\n", shader->Name, shader->SourceChecksum);
  1036.    fputs(shader->Source, f);
  1037.    fprintf(f, "\n");
  1038.  
  1039.    fprintf(f, "/* Compile status: %s */\n",
  1040.            shader->CompileStatus ? "ok" : "fail");
  1041.    fprintf(f, "/* Log Info: */\n");
  1042.    if (shader->InfoLog) {
  1043.       fputs(shader->InfoLog, f);
  1044.    }
  1045.    if (shader->CompileStatus && shader->Program) {
  1046.       fprintf(f, "/* GPU code */\n");
  1047.       fprintf(f, "/*\n");
  1048.       _mesa_fprint_program_opt(f, shader->Program, PROG_PRINT_DEBUG, GL_TRUE);
  1049.       fprintf(f, "*/\n");
  1050.       fprintf(f, "/* Parameters / constants */\n");
  1051.       fprintf(f, "/*\n");
  1052.       _mesa_fprint_parameter_list(f, shader->Program->Parameters);
  1053.       fprintf(f, "*/\n");
  1054.    }
  1055.  
  1056.    fclose(f);
  1057. }
  1058.  
  1059.  
  1060. /**
  1061.  * Append the shader's uniform info/values to the shader log file.
  1062.  * The log file will typically have been created by the
  1063.  * _mesa_write_shader_to_file function.
  1064.  */
  1065. void
  1066. _mesa_append_uniforms_to_file(const struct gl_shader *shader)
  1067. {
  1068.    const struct gl_program *const prog = shader->Program;
  1069.    const char *type;
  1070.    char filename[100];
  1071.    FILE *f;
  1072.  
  1073.    if (shader->Type == GL_FRAGMENT_SHADER)
  1074.       type = "frag";
  1075.    else
  1076.       type = "vert";
  1077.  
  1078.    _mesa_snprintf(filename, sizeof(filename), "shader_%u.%s", shader->Name, type);
  1079.    f = fopen(filename, "a"); /* append */
  1080.    if (!f) {
  1081.       fprintf(stderr, "Unable to open %s for appending\n", filename);
  1082.       return;
  1083.    }
  1084.  
  1085.    fprintf(f, "/* First-draw parameters / constants */\n");
  1086.    fprintf(f, "/*\n");
  1087.    _mesa_fprint_parameter_list(f, prog->Parameters);
  1088.    fprintf(f, "*/\n");
  1089.  
  1090.    fclose(f);
  1091. }
  1092.