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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.varying[0]",
  151.       "fragment.varying[1]",
  152.       "fragment.varying[2]",
  153.       "fragment.varying[3]",
  154.       "fragment.varying[4]",
  155.       "fragment.varying[5]",
  156.       "fragment.varying[6]",
  157.       "fragment.varying[7]",
  158.       "fragment.varying[8]",
  159.       "fragment.varying[9]",
  160.       "fragment.varying[10]",
  161.       "fragment.varying[11]",
  162.       "fragment.varying[12]",
  163.       "fragment.varying[13]",
  164.       "fragment.varying[14]",
  165.       "fragment.varying[15]",
  166.       "fragment.varying[16]",
  167.       "fragment.varying[17]",
  168.       "fragment.varying[18]",
  169.       "fragment.varying[19]",
  170.       "fragment.varying[20]",
  171.       "fragment.varying[21]",
  172.       "fragment.varying[22]",
  173.       "fragment.varying[23]",
  174.       "fragment.varying[24]",
  175.       "fragment.varying[25]",
  176.       "fragment.varying[26]",
  177.       "fragment.varying[27]",
  178.       "fragment.varying[28]",
  179.       "fragment.varying[29]",
  180.       "fragment.varying[30]",
  181.       "fragment.varying[31]", /* MAX_VARYING = 32 */
  182.    };
  183.  
  184.    /* sanity checks */
  185.    STATIC_ASSERT(ARRAY_SIZE(vertAttribs) == VERT_ATTRIB_MAX);
  186.    STATIC_ASSERT(ARRAY_SIZE(fragAttribs) == VARYING_SLOT_MAX);
  187.    assert(strcmp(vertAttribs[VERT_ATTRIB_TEX0], "vertex.texcoord[0]") == 0);
  188.    assert(strcmp(vertAttribs[VERT_ATTRIB_GENERIC15], "vertex.attrib[15]") == 0);
  189.    assert(strcmp(fragAttribs[VARYING_SLOT_TEX0], "fragment.texcoord[0]") == 0);
  190.    assert(strcmp(fragAttribs[VARYING_SLOT_VAR0+15], "fragment.varying[15]") == 0);
  191.  
  192.    if (progType == GL_VERTEX_PROGRAM_ARB) {
  193.       assert(index < ARRAY_SIZE(vertAttribs));
  194.       return vertAttribs[index];
  195.    }
  196.    else {
  197.       assert(progType == GL_FRAGMENT_PROGRAM_ARB);
  198.       assert(index < ARRAY_SIZE(fragAttribs));
  199.       return fragAttribs[index];
  200.    }
  201. }
  202.  
  203.  
  204. /**
  205.  * Print a vertex program's InputsRead field in human-readable format.
  206.  * For debugging.
  207.  */
  208. void
  209. _mesa_print_vp_inputs(GLbitfield inputs)
  210. {
  211.    printf("VP Inputs 0x%x: \n", inputs);
  212.    while (inputs) {
  213.       GLint attr = ffs(inputs) - 1;
  214.       const char *name = arb_input_attrib_string(attr,
  215.                                                  GL_VERTEX_PROGRAM_ARB);
  216.       printf("  %d: %s\n", attr, name);
  217.       inputs &= ~(1 << attr);
  218.    }
  219. }
  220.  
  221.  
  222. /**
  223.  * Print a fragment program's InputsRead field in human-readable format.
  224.  * For debugging.
  225.  */
  226. void
  227. _mesa_print_fp_inputs(GLbitfield inputs)
  228. {
  229.    printf("FP Inputs 0x%x: \n", inputs);
  230.    while (inputs) {
  231.       GLint attr = ffs(inputs) - 1;
  232.       const char *name = arb_input_attrib_string(attr,
  233.                                                  GL_FRAGMENT_PROGRAM_ARB);
  234.       printf("  %d: %s\n", attr, name);
  235.       inputs &= ~(1 << attr);
  236.    }
  237. }
  238.  
  239.  
  240.  
  241. /**
  242.  * Return ARB_v/f_prog-style output attrib string.
  243.  */
  244. static const char *
  245. arb_output_attrib_string(GLuint index, GLenum progType)
  246. {
  247.    /*
  248.     * These strings should match the VARYING_SLOT_x and FRAG_RESULT_x tokens.
  249.     */
  250.    static const char *const vertResults[] = {
  251.       "result.position",
  252.       "result.color.primary",
  253.       "result.color.secondary",
  254.       "result.fogcoord",
  255.       "result.texcoord[0]",
  256.       "result.texcoord[1]",
  257.       "result.texcoord[2]",
  258.       "result.texcoord[3]",
  259.       "result.texcoord[4]",
  260.       "result.texcoord[5]",
  261.       "result.texcoord[6]",
  262.       "result.texcoord[7]",
  263.       "result.pointsize", /* VARYING_SLOT_PSIZ */
  264.       "result.(thirteen)", /* VARYING_SLOT_BFC0 */
  265.       "result.(fourteen)", /* VARYING_SLOT_BFC1 */
  266.       "result.(fifteen)", /* VARYING_SLOT_EDGE */
  267.       "result.(sixteen)", /* VARYING_SLOT_CLIP_VERTEX */
  268.       "result.(seventeen)", /* VARYING_SLOT_CLIP_DIST0 */
  269.       "result.(eighteen)", /* VARYING_SLOT_CLIP_DIST1 */
  270.       "result.(nineteen)", /* VARYING_SLOT_PRIMITIVE_ID */
  271.       "result.(twenty)", /* VARYING_SLOT_LAYER */
  272.       "result.(twenty-one)", /* VARYING_SLOT_VIEWPORT */
  273.       "result.(twenty-two)", /* VARYING_SLOT_FACE */
  274.       "result.(twenty-three)", /* VARYING_SLOT_PNTC */
  275.       "result.varying[0]",
  276.       "result.varying[1]",
  277.       "result.varying[2]",
  278.       "result.varying[3]",
  279.       "result.varying[4]",
  280.       "result.varying[5]",
  281.       "result.varying[6]",
  282.       "result.varying[7]",
  283.       "result.varying[8]",
  284.       "result.varying[9]",
  285.       "result.varying[10]",
  286.       "result.varying[11]",
  287.       "result.varying[12]",
  288.       "result.varying[13]",
  289.       "result.varying[14]",
  290.       "result.varying[15]",
  291.       "result.varying[16]",
  292.       "result.varying[17]",
  293.       "result.varying[18]",
  294.       "result.varying[19]",
  295.       "result.varying[20]",
  296.       "result.varying[21]",
  297.       "result.varying[22]",
  298.       "result.varying[23]",
  299.       "result.varying[24]",
  300.       "result.varying[25]",
  301.       "result.varying[26]",
  302.       "result.varying[27]",
  303.       "result.varying[28]",
  304.       "result.varying[29]",
  305.       "result.varying[30]",
  306.       "result.varying[31]", /* MAX_VARYING = 32 */
  307.    };
  308.    static const char *const fragResults[] = {
  309.       "result.depth", /* FRAG_RESULT_DEPTH */
  310.       "result.(one)", /* FRAG_RESULT_STENCIL */
  311.       "result.color", /* FRAG_RESULT_COLOR */
  312.       "result.samplemask", /* FRAG_RESULT_SAMPLE_MASK */
  313.       "result.color[0]", /* FRAG_RESULT_DATA0 (named for GLSL's gl_FragData) */
  314.       "result.color[1]",
  315.       "result.color[2]",
  316.       "result.color[3]",
  317.       "result.color[4]",
  318.       "result.color[5]",
  319.       "result.color[6]",
  320.       "result.color[7]" /* MAX_DRAW_BUFFERS = 8 */
  321.    };
  322.  
  323.    /* sanity checks */
  324.    STATIC_ASSERT(ARRAY_SIZE(vertResults) == VARYING_SLOT_MAX);
  325.    STATIC_ASSERT(ARRAY_SIZE(fragResults) == FRAG_RESULT_MAX);
  326.    assert(strcmp(vertResults[VARYING_SLOT_POS], "result.position") == 0);
  327.    assert(strcmp(vertResults[VARYING_SLOT_VAR0], "result.varying[0]") == 0);
  328.    assert(strcmp(fragResults[FRAG_RESULT_DATA0], "result.color[0]") == 0);
  329.  
  330.    if (progType == GL_VERTEX_PROGRAM_ARB) {
  331.       assert(index < ARRAY_SIZE(vertResults));
  332.       return vertResults[index];
  333.    }
  334.    else {
  335.       assert(progType == GL_FRAGMENT_PROGRAM_ARB);
  336.       assert(index < ARRAY_SIZE(fragResults));
  337.       return fragResults[index];
  338.    }
  339. }
  340.  
  341.  
  342. /**
  343.  * Return string representation of the given register.
  344.  * Note that some types of registers (like PROGRAM_UNIFORM) aren't defined
  345.  * by the ARB/NV program languages so we've taken some liberties here.
  346.  * \param f  the register file (PROGRAM_INPUT, PROGRAM_TEMPORARY, etc)
  347.  * \param index  number of the register in the register file
  348.  * \param mode  the output format/mode/style
  349.  * \param prog  pointer to containing program
  350.  */
  351. static const char *
  352. reg_string(gl_register_file f, GLint index, gl_prog_print_mode mode,
  353.            GLboolean relAddr, const struct gl_program *prog,
  354.            GLboolean hasIndex2, GLboolean relAddr2, GLint index2)
  355. {
  356.    static char str[100];
  357.    const char *addr = relAddr ? "ADDR+" : "";
  358.  
  359.    str[0] = 0;
  360.  
  361.    switch (mode) {
  362.    case PROG_PRINT_DEBUG:
  363.       sprintf(str, "%s[%s%d]",
  364.               _mesa_register_file_name(f), addr, index);
  365.       if (hasIndex2) {
  366.          int offset = strlen(str);
  367.          const char *addr2 = relAddr2 ? "ADDR+" : "";
  368.          sprintf(str+offset, "[%s%d]", addr2, index2);
  369.       }
  370.       break;
  371.  
  372.    case PROG_PRINT_ARB:
  373.       switch (f) {
  374.       case PROGRAM_INPUT:
  375.          sprintf(str, "%s", arb_input_attrib_string(index, prog->Target));
  376.          break;
  377.       case PROGRAM_OUTPUT:
  378.          sprintf(str, "%s", arb_output_attrib_string(index, prog->Target));
  379.          break;
  380.       case PROGRAM_TEMPORARY:
  381.          sprintf(str, "temp%d", index);
  382.          break;
  383.       case PROGRAM_CONSTANT: /* extension */
  384.          sprintf(str, "constant[%s%d]", addr, index);
  385.          break;
  386.       case PROGRAM_UNIFORM: /* extension */
  387.          sprintf(str, "uniform[%s%d]", addr, index);
  388.          break;
  389.       case PROGRAM_SYSTEM_VALUE:
  390.          sprintf(str, "sysvalue[%s%d]", addr, index);
  391.          break;
  392.       case PROGRAM_STATE_VAR:
  393.          {
  394.             struct gl_program_parameter *param
  395.                = prog->Parameters->Parameters + index;
  396.             char *state = _mesa_program_state_string(param->StateIndexes);
  397.             sprintf(str, "%s", state);
  398.             free(state);
  399.          }
  400.          break;
  401.       case PROGRAM_ADDRESS:
  402.          sprintf(str, "A%d", index);
  403.          break;
  404.       default:
  405.          _mesa_problem(NULL, "bad file in reg_string()");
  406.       }
  407.       break;
  408.  
  409.    default:
  410.       _mesa_problem(NULL, "bad mode in reg_string()");
  411.    }
  412.  
  413.    return str;
  414. }
  415.  
  416.  
  417. /**
  418.  * Return a string representation of the given swizzle word.
  419.  * If extended is true, use extended (comma-separated) format.
  420.  * \param swizzle  the swizzle field
  421.  * \param negateBase  4-bit negation vector
  422.  * \param extended  if true, also allow 0, 1 values
  423.  */
  424. const char *
  425. _mesa_swizzle_string(GLuint swizzle, GLuint negateMask, GLboolean extended)
  426. {
  427.    static const char swz[] = "xyzw01!?";  /* See SWIZZLE_x definitions */
  428.    static char s[20];
  429.    GLuint i = 0;
  430.  
  431.    if (!extended && swizzle == SWIZZLE_NOOP && negateMask == 0)
  432.       return ""; /* no swizzle/negation */
  433.  
  434.    if (!extended)
  435.       s[i++] = '.';
  436.  
  437.    if (negateMask & NEGATE_X)
  438.       s[i++] = '-';
  439.    s[i++] = swz[GET_SWZ(swizzle, 0)];
  440.  
  441.    if (extended) {
  442.       s[i++] = ',';
  443.    }
  444.  
  445.    if (negateMask & NEGATE_Y)
  446.       s[i++] = '-';
  447.    s[i++] = swz[GET_SWZ(swizzle, 1)];
  448.  
  449.    if (extended) {
  450.       s[i++] = ',';
  451.    }
  452.  
  453.    if (negateMask & NEGATE_Z)
  454.       s[i++] = '-';
  455.    s[i++] = swz[GET_SWZ(swizzle, 2)];
  456.  
  457.    if (extended) {
  458.       s[i++] = ',';
  459.    }
  460.  
  461.    if (negateMask & NEGATE_W)
  462.       s[i++] = '-';
  463.    s[i++] = swz[GET_SWZ(swizzle, 3)];
  464.  
  465.    s[i] = 0;
  466.    return s;
  467. }
  468.  
  469.  
  470. void
  471. _mesa_print_swizzle(GLuint swizzle)
  472. {
  473.    if (swizzle == SWIZZLE_XYZW) {
  474.       printf(".xyzw\n");
  475.    }
  476.    else {
  477.       const char *s = _mesa_swizzle_string(swizzle, 0, 0);
  478.       printf("%s\n", s);
  479.    }
  480. }
  481.  
  482.  
  483. const char *
  484. _mesa_writemask_string(GLuint writeMask)
  485. {
  486.    static char s[10];
  487.    GLuint i = 0;
  488.  
  489.    if (writeMask == WRITEMASK_XYZW)
  490.       return "";
  491.  
  492.    s[i++] = '.';
  493.    if (writeMask & WRITEMASK_X)
  494.       s[i++] = 'x';
  495.    if (writeMask & WRITEMASK_Y)
  496.       s[i++] = 'y';
  497.    if (writeMask & WRITEMASK_Z)
  498.       s[i++] = 'z';
  499.    if (writeMask & WRITEMASK_W)
  500.       s[i++] = 'w';
  501.  
  502.    s[i] = 0;
  503.    return s;
  504. }
  505.  
  506.  
  507. const char *
  508. _mesa_condcode_string(GLuint condcode)
  509. {
  510.    switch (condcode) {
  511.    case COND_GT:  return "GT";
  512.    case COND_EQ:  return "EQ";
  513.    case COND_LT:  return "LT";
  514.    case COND_UN:  return "UN";
  515.    case COND_GE:  return "GE";
  516.    case COND_LE:  return "LE";
  517.    case COND_NE:  return "NE";
  518.    case COND_TR:  return "TR";
  519.    case COND_FL:  return "FL";
  520.    default: return "cond???";
  521.    }
  522. }
  523.  
  524.  
  525. static void
  526. fprint_dst_reg(FILE * f,
  527.                const struct prog_dst_register *dstReg,
  528.                gl_prog_print_mode mode,
  529.                const struct gl_program *prog)
  530. {
  531.    fprintf(f, "%s%s",
  532.            reg_string((gl_register_file) dstReg->File,
  533.                       dstReg->Index, mode, dstReg->RelAddr, prog,
  534.                       GL_FALSE, GL_FALSE, 0),
  535.            _mesa_writemask_string(dstReg->WriteMask));
  536.    
  537.    if (dstReg->CondMask != COND_TR) {
  538.       fprintf(f, " (%s.%s)",
  539.               _mesa_condcode_string(dstReg->CondMask),
  540.               _mesa_swizzle_string(dstReg->CondSwizzle,
  541.                                    GL_FALSE, GL_FALSE));
  542.    }
  543.  
  544. #if 0
  545.    fprintf(f, "%s[%d]%s",
  546.            _mesa_register_file_name((gl_register_file) dstReg->File),
  547.            dstReg->Index,
  548.            _mesa_writemask_string(dstReg->WriteMask));
  549. #endif
  550. }
  551.  
  552.  
  553. static void
  554. fprint_src_reg(FILE *f,
  555.                const struct prog_src_register *srcReg,
  556.                gl_prog_print_mode mode,
  557.                const struct gl_program *prog)
  558. {
  559.    const char *abs = srcReg->Abs ? "|" : "";
  560.  
  561.    fprintf(f, "%s%s%s%s",
  562.            abs,
  563.            reg_string((gl_register_file) srcReg->File,
  564.                       srcReg->Index, mode, srcReg->RelAddr, prog,
  565.                       srcReg->HasIndex2, srcReg->RelAddr2, srcReg->Index2),
  566.            _mesa_swizzle_string(srcReg->Swizzle,
  567.                                 srcReg->Negate, GL_FALSE),
  568.            abs);
  569. #if 0
  570.    fprintf(f, "%s[%d]%s",
  571.            _mesa_register_file_name((gl_register_file) srcReg->File),
  572.            srcReg->Index,
  573.            _mesa_swizzle_string(srcReg->Swizzle,
  574.                                 srcReg->Negate, GL_FALSE));
  575. #endif
  576. }
  577.  
  578.  
  579. static void
  580. fprint_comment(FILE *f, const struct prog_instruction *inst)
  581. {
  582.    if (inst->Comment)
  583.       fprintf(f, ";  # %s\n", inst->Comment);
  584.    else
  585.       fprintf(f, ";\n");
  586. }
  587.  
  588.  
  589. void
  590. _mesa_fprint_alu_instruction(FILE *f,
  591.                              const struct prog_instruction *inst,
  592.                              const char *opcode_string, GLuint numRegs,
  593.                              gl_prog_print_mode mode,
  594.                              const struct gl_program *prog)
  595. {
  596.    GLuint j;
  597.  
  598.    fprintf(f, "%s", opcode_string);
  599.    if (inst->CondUpdate)
  600.       fprintf(f, ".C");
  601.  
  602.    /* frag prog only */
  603.    if (inst->SaturateMode == SATURATE_ZERO_ONE)
  604.       fprintf(f, "_SAT");
  605.  
  606.    fprintf(f, " ");
  607.    if (inst->DstReg.File != PROGRAM_UNDEFINED) {
  608.       fprint_dst_reg(f, &inst->DstReg, mode, prog);
  609.    }
  610.    else {
  611.       fprintf(f, " ???");
  612.    }
  613.  
  614.    if (numRegs > 0)
  615.       fprintf(f, ", ");
  616.  
  617.    for (j = 0; j < numRegs; j++) {
  618.       fprint_src_reg(f, inst->SrcReg + j, mode, prog);
  619.       if (j + 1 < numRegs)
  620.          fprintf(f, ", ");
  621.    }
  622.  
  623.    fprint_comment(f, inst);
  624. }
  625.  
  626.  
  627. void
  628. _mesa_print_alu_instruction(const struct prog_instruction *inst,
  629.                             const char *opcode_string, GLuint numRegs)
  630. {
  631.    _mesa_fprint_alu_instruction(stderr, inst, opcode_string,
  632.                                 numRegs, PROG_PRINT_DEBUG, NULL);
  633. }
  634.  
  635.  
  636. /**
  637.  * Print a single vertex/fragment program instruction.
  638.  */
  639. GLint
  640. _mesa_fprint_instruction_opt(FILE *f,
  641.                             const struct prog_instruction *inst,
  642.                             GLint indent,
  643.                             gl_prog_print_mode mode,
  644.                             const struct gl_program *prog)
  645. {
  646.    GLint i;
  647.  
  648.    if (inst->Opcode == OPCODE_ELSE ||
  649.        inst->Opcode == OPCODE_ENDIF ||
  650.        inst->Opcode == OPCODE_ENDLOOP ||
  651.        inst->Opcode == OPCODE_ENDSUB) {
  652.       indent -= 3;
  653.    }
  654.    for (i = 0; i < indent; i++) {
  655.       fprintf(f, " ");
  656.    }
  657.  
  658.    switch (inst->Opcode) {
  659.    case OPCODE_SWZ:
  660.       fprintf(f, "SWZ");
  661.       if (inst->SaturateMode == SATURATE_ZERO_ONE)
  662.          fprintf(f, "_SAT");
  663.       fprintf(f, " ");
  664.       fprint_dst_reg(f, &inst->DstReg, mode, prog);
  665.       fprintf(f, ", %s[%d], %s",
  666.               _mesa_register_file_name((gl_register_file) inst->SrcReg[0].File),
  667.               inst->SrcReg[0].Index,
  668.               _mesa_swizzle_string(inst->SrcReg[0].Swizzle,
  669.                                    inst->SrcReg[0].Negate, GL_TRUE));
  670.       fprint_comment(f, inst);
  671.       break;
  672.    case OPCODE_TEX:
  673.    case OPCODE_TXP:
  674.    case OPCODE_TXL:
  675.    case OPCODE_TXB:
  676.    case OPCODE_TXD:
  677.       fprintf(f, "%s", _mesa_opcode_string(inst->Opcode));
  678.       if (inst->SaturateMode == SATURATE_ZERO_ONE)
  679.          fprintf(f, "_SAT");
  680.       fprintf(f, " ");
  681.       fprint_dst_reg(f, &inst->DstReg, mode, prog);
  682.       fprintf(f, ", ");
  683.       fprint_src_reg(f, &inst->SrcReg[0], mode, prog);
  684.       if (inst->Opcode == OPCODE_TXD) {
  685.          fprintf(f, ", ");
  686.          fprint_src_reg(f, &inst->SrcReg[1], mode, prog);
  687.          fprintf(f, ", ");
  688.          fprint_src_reg(f, &inst->SrcReg[2], mode, prog);
  689.       }
  690.       fprintf(f, ", texture[%d], ", inst->TexSrcUnit);
  691.       switch (inst->TexSrcTarget) {
  692.       case TEXTURE_1D_INDEX:   fprintf(f, "1D");    break;
  693.       case TEXTURE_2D_INDEX:   fprintf(f, "2D");    break;
  694.       case TEXTURE_3D_INDEX:   fprintf(f, "3D");    break;
  695.       case TEXTURE_CUBE_INDEX: fprintf(f, "CUBE");  break;
  696.       case TEXTURE_RECT_INDEX: fprintf(f, "RECT");  break;
  697.       case TEXTURE_1D_ARRAY_INDEX: fprintf(f, "1D_ARRAY"); break;
  698.       case TEXTURE_2D_ARRAY_INDEX: fprintf(f, "2D_ARRAY"); break;
  699.       default:
  700.          ;
  701.       }
  702.       if (inst->TexShadow)
  703.          fprintf(f, " SHADOW");
  704.       fprint_comment(f, inst);
  705.       break;
  706.  
  707.    case OPCODE_KIL:
  708.       fprintf(f, "%s", _mesa_opcode_string(inst->Opcode));
  709.       fprintf(f, " ");
  710.       fprint_src_reg(f, &inst->SrcReg[0], mode, prog);
  711.       fprint_comment(f, inst);
  712.       break;
  713.    case OPCODE_KIL_NV:
  714.       fprintf(f, "%s", _mesa_opcode_string(inst->Opcode));
  715.       fprintf(f, " ");
  716.       fprintf(f, "%s.%s",
  717.               _mesa_condcode_string(inst->DstReg.CondMask),
  718.               _mesa_swizzle_string(inst->DstReg.CondSwizzle,
  719.                                    GL_FALSE, GL_FALSE));
  720.       fprint_comment(f, inst);
  721.       break;
  722.  
  723.    case OPCODE_ARL:
  724.       fprintf(f, "ARL ");
  725.       fprint_dst_reg(f, &inst->DstReg, mode, prog);
  726.       fprintf(f, ", ");
  727.       fprint_src_reg(f, &inst->SrcReg[0], mode, prog);
  728.       fprint_comment(f, inst);
  729.       break;
  730.    case OPCODE_IF:
  731.       if (inst->SrcReg[0].File != PROGRAM_UNDEFINED) {
  732.          /* Use ordinary register */
  733.          fprintf(f, "IF ");
  734.          fprint_src_reg(f, &inst->SrcReg[0], mode, prog);
  735.          fprintf(f, "; ");
  736.       }
  737.       else {
  738.          /* Use cond codes */
  739.          fprintf(f, "IF (%s%s);",
  740.                  _mesa_condcode_string(inst->DstReg.CondMask),
  741.                  _mesa_swizzle_string(inst->DstReg.CondSwizzle,
  742.                                       0, GL_FALSE));
  743.       }
  744.       fprintf(f, " # (if false, goto %d)", inst->BranchTarget);
  745.       fprint_comment(f, inst);
  746.       return indent + 3;
  747.    case OPCODE_ELSE:
  748.       fprintf(f, "ELSE; # (goto %d)\n", inst->BranchTarget);
  749.       return indent + 3;
  750.    case OPCODE_ENDIF:
  751.       fprintf(f, "ENDIF;\n");
  752.       break;
  753.    case OPCODE_BGNLOOP:
  754.       fprintf(f, "BGNLOOP; # (end at %d)\n", inst->BranchTarget);
  755.       return indent + 3;
  756.    case OPCODE_ENDLOOP:
  757.       fprintf(f, "ENDLOOP; # (goto %d)\n", inst->BranchTarget);
  758.       break;
  759.    case OPCODE_BRK:
  760.    case OPCODE_CONT:
  761.       fprintf(f, "%s (%s%s); # (goto %d)",
  762.               _mesa_opcode_string(inst->Opcode),
  763.               _mesa_condcode_string(inst->DstReg.CondMask),
  764.               _mesa_swizzle_string(inst->DstReg.CondSwizzle, 0, GL_FALSE),
  765.               inst->BranchTarget);
  766.       fprint_comment(f, inst);
  767.       break;
  768.  
  769.    case OPCODE_BGNSUB:
  770.       fprintf(f, "BGNSUB");
  771.       fprint_comment(f, inst);
  772.       return indent + 3;
  773.    case OPCODE_ENDSUB:
  774.       if (mode == PROG_PRINT_DEBUG) {
  775.          fprintf(f, "ENDSUB");
  776.          fprint_comment(f, inst);
  777.       }
  778.       break;
  779.    case OPCODE_CAL:
  780.       fprintf(f, "CAL %u", inst->BranchTarget);
  781.       fprint_comment(f, inst);
  782.       break;
  783.    case OPCODE_RET:
  784.       fprintf(f, "RET (%s%s)",
  785.               _mesa_condcode_string(inst->DstReg.CondMask),
  786.               _mesa_swizzle_string(inst->DstReg.CondSwizzle, 0, GL_FALSE));
  787.       fprint_comment(f, inst);
  788.       break;
  789.  
  790.    case OPCODE_END:
  791.       fprintf(f, "END\n");
  792.       break;
  793.    case OPCODE_NOP:
  794.       if (mode == PROG_PRINT_DEBUG) {
  795.          fprintf(f, "NOP");
  796.          fprint_comment(f, inst);
  797.       }
  798.       else if (inst->Comment) {
  799.          /* ARB/NV extensions don't have NOP instruction */
  800.          fprintf(f, "# %s\n", inst->Comment);
  801.       }
  802.       break;
  803.    /* XXX may need other special-case instructions */
  804.    default:
  805.       if (inst->Opcode < MAX_OPCODE) {
  806.          /* typical alu instruction */
  807.          _mesa_fprint_alu_instruction(f, inst,
  808.                                       _mesa_opcode_string(inst->Opcode),
  809.                                       _mesa_num_inst_src_regs(inst->Opcode),
  810.                                       mode, prog);
  811.       }
  812.       else {
  813.          _mesa_fprint_alu_instruction(f, inst,
  814.                                       _mesa_opcode_string(inst->Opcode),
  815.                                       3/*_mesa_num_inst_src_regs(inst->Opcode)*/,
  816.                                       mode, prog);
  817.       }
  818.       break;
  819.    }
  820.    return indent;
  821. }
  822.  
  823.  
  824. GLint
  825. _mesa_print_instruction_opt(const struct prog_instruction *inst,
  826.                             GLint indent,
  827.                             gl_prog_print_mode mode,
  828.                             const struct gl_program *prog)
  829. {
  830.    return _mesa_fprint_instruction_opt(stderr, inst, indent, mode, prog);
  831. }
  832.  
  833.  
  834. void
  835. _mesa_print_instruction(const struct prog_instruction *inst)
  836. {
  837.    /* note: 4th param should be ignored for PROG_PRINT_DEBUG */
  838.    _mesa_fprint_instruction_opt(stderr, inst, 0, PROG_PRINT_DEBUG, NULL);
  839. }
  840.  
  841.  
  842.  
  843. /**
  844.  * Print program, with options.
  845.  */
  846. void
  847. _mesa_fprint_program_opt(FILE *f,
  848.                          const struct gl_program *prog,
  849.                          gl_prog_print_mode mode,
  850.                          GLboolean lineNumbers)
  851. {
  852.    GLuint i, indent = 0;
  853.  
  854.    switch (prog->Target) {
  855.    case GL_VERTEX_PROGRAM_ARB:
  856.       if (mode == PROG_PRINT_ARB)
  857.          fprintf(f, "!!ARBvp1.0\n");
  858.       else
  859.          fprintf(f, "# Vertex Program/Shader %u\n", prog->Id);
  860.       break;
  861.    case GL_FRAGMENT_PROGRAM_ARB:
  862.       if (mode == PROG_PRINT_ARB)
  863.          fprintf(f, "!!ARBfp1.0\n");
  864.       else
  865.          fprintf(f, "# Fragment Program/Shader %u\n", prog->Id);
  866.       break;
  867.    case MESA_GEOMETRY_PROGRAM:
  868.       fprintf(f, "# Geometry Shader\n");
  869.    }
  870.  
  871.    for (i = 0; i < prog->NumInstructions; i++) {
  872.       if (lineNumbers)
  873.          fprintf(f, "%3d: ", i);
  874.       indent = _mesa_fprint_instruction_opt(f, prog->Instructions + i,
  875.                                            indent, mode, prog);
  876.    }
  877. }
  878.  
  879.  
  880. /**
  881.  * Print program to stderr, default options.
  882.  */
  883. void
  884. _mesa_print_program(const struct gl_program *prog)
  885. {
  886.    _mesa_fprint_program_opt(stderr, prog, PROG_PRINT_DEBUG, GL_TRUE);
  887. }
  888.  
  889.  
  890. /**
  891.  * Return binary representation of 64-bit value (as a string).
  892.  * Insert a comma to separate each group of 8 bits.
  893.  * Note we return a pointer to local static storage so this is not
  894.  * re-entrant, etc.
  895.  * XXX move to imports.[ch] if useful elsewhere.
  896.  */
  897. static const char *
  898. binary(GLbitfield64 val)
  899. {
  900.    static char buf[80];
  901.    GLint i, len = 0;
  902.    for (i = 63; i >= 0; --i) {
  903.       if (val & (BITFIELD64_BIT(i)))
  904.          buf[len++] = '1';
  905.       else if (len > 0 || i == 0)
  906.          buf[len++] = '0';
  907.       if (len > 0 && ((i-1) % 8) == 7)
  908.          buf[len++] = ',';
  909.    }
  910.    buf[len] = '\0';
  911.    return buf;
  912. }
  913.  
  914.  
  915. /**
  916.  * Print all of a program's parameters/fields to given file.
  917.  */
  918. static void
  919. _mesa_fprint_program_parameters(FILE *f,
  920.                                 struct gl_context *ctx,
  921.                                 const struct gl_program *prog)
  922. {
  923.    GLuint i;
  924.  
  925.    fprintf(f, "InputsRead: %" PRIx64 " (0b%s)\n",
  926.            (uint64_t) prog->InputsRead, binary(prog->InputsRead));
  927.    fprintf(f, "OutputsWritten: %" PRIx64 " (0b%s)\n",
  928.            (uint64_t) prog->OutputsWritten, binary(prog->OutputsWritten));
  929.    fprintf(f, "NumInstructions=%d\n", prog->NumInstructions);
  930.    fprintf(f, "NumTemporaries=%d\n", prog->NumTemporaries);
  931.    fprintf(f, "NumParameters=%d\n", prog->NumParameters);
  932.    fprintf(f, "NumAttributes=%d\n", prog->NumAttributes);
  933.    fprintf(f, "NumAddressRegs=%d\n", prog->NumAddressRegs);
  934.    fprintf(f, "IndirectRegisterFiles: 0x%x (0b%s)\n",
  935.            prog->IndirectRegisterFiles, binary(prog->IndirectRegisterFiles));
  936.    fprintf(f, "SamplersUsed: 0x%x (0b%s)\n",
  937.                  prog->SamplersUsed, binary(prog->SamplersUsed));
  938.    fprintf(f, "Samplers=[ ");
  939.    for (i = 0; i < MAX_SAMPLERS; i++) {
  940.       fprintf(f, "%d ", prog->SamplerUnits[i]);
  941.    }
  942.    fprintf(f, "]\n");
  943.  
  944.    _mesa_load_state_parameters(ctx, prog->Parameters);
  945.  
  946. #if 0
  947.    fprintf(f, "Local Params:\n");
  948.    for (i = 0; i < MAX_PROGRAM_LOCAL_PARAMS; i++){
  949.       const GLfloat *p = prog->LocalParams[i];
  950.       fprintf(f, "%2d: %f, %f, %f, %f\n", i, p[0], p[1], p[2], p[3]);
  951.    }
  952. #endif 
  953.    _mesa_print_parameter_list(prog->Parameters);
  954. }
  955.  
  956.  
  957. /**
  958.  * Print all of a program's parameters/fields to stderr.
  959.  */
  960. void
  961. _mesa_print_program_parameters(struct gl_context *ctx, const struct gl_program *prog)
  962. {
  963.    _mesa_fprint_program_parameters(stderr, ctx, prog);
  964. }
  965.  
  966.  
  967. /**
  968.  * Print a program parameter list to given file.
  969.  */
  970. static void
  971. _mesa_fprint_parameter_list(FILE *f,
  972.                             const struct gl_program_parameter_list *list)
  973. {
  974.    GLuint i;
  975.  
  976.    if (!list)
  977.       return;
  978.  
  979.    if (0)
  980.       fprintf(f, "param list %p\n", (void *) list);
  981.    fprintf(f, "dirty state flags: 0x%x\n", list->StateFlags);
  982.    for (i = 0; i < list->NumParameters; i++){
  983.       struct gl_program_parameter *param = list->Parameters + i;
  984.       const GLfloat *v = (GLfloat *) list->ParameterValues[i];
  985.       fprintf(f, "param[%d] sz=%d %s %s = {%.3g, %.3g, %.3g, %.3g}",
  986.               i, param->Size,
  987.               _mesa_register_file_name(list->Parameters[i].Type),
  988.               param->Name, v[0], v[1], v[2], v[3]);
  989.       fprintf(f, "\n");
  990.    }
  991. }
  992.  
  993.  
  994. /**
  995.  * Print a program parameter list to stderr.
  996.  */
  997. void
  998. _mesa_print_parameter_list(const struct gl_program_parameter_list *list)
  999. {
  1000.    _mesa_fprint_parameter_list(stderr, list);
  1001. }
  1002.  
  1003.  
  1004. /**
  1005.  * Write shader and associated info to a file.
  1006.  */
  1007. void
  1008. _mesa_write_shader_to_file(const struct gl_shader *shader)
  1009. {
  1010.    const char *type = "????";
  1011.    char filename[100];
  1012.    FILE *f;
  1013.  
  1014.    switch (shader->Stage) {
  1015.    case MESA_SHADER_FRAGMENT:
  1016.       type = "frag";
  1017.       break;
  1018.    case MESA_SHADER_VERTEX:
  1019.       type = "vert";
  1020.       break;
  1021.    case MESA_SHADER_GEOMETRY:
  1022.       type = "geom";
  1023.       break;
  1024.    case MESA_SHADER_COMPUTE:
  1025.       type = "comp";
  1026.       break;
  1027.    }
  1028.  
  1029.    _mesa_snprintf(filename, sizeof(filename), "shader_%u.%s", shader->Name, type);
  1030.    f = fopen(filename, "w");
  1031.    if (!f) {
  1032.       fprintf(stderr, "Unable to open %s for writing\n", filename);
  1033.       return;
  1034.    }
  1035.  
  1036.    fprintf(f, "/* Shader %u source, checksum %u */\n", shader->Name, shader->SourceChecksum);
  1037.    fputs(shader->Source, f);
  1038.    fprintf(f, "\n");
  1039.  
  1040.    fprintf(f, "/* Compile status: %s */\n",
  1041.            shader->CompileStatus ? "ok" : "fail");
  1042.    fprintf(f, "/* Log Info: */\n");
  1043.    if (shader->InfoLog) {
  1044.       fputs(shader->InfoLog, f);
  1045.    }
  1046.    if (shader->CompileStatus && shader->Program) {
  1047.       fprintf(f, "/* GPU code */\n");
  1048.       fprintf(f, "/*\n");
  1049.       _mesa_fprint_program_opt(f, shader->Program, PROG_PRINT_DEBUG, GL_TRUE);
  1050.       fprintf(f, "*/\n");
  1051.       fprintf(f, "/* Parameters / constants */\n");
  1052.       fprintf(f, "/*\n");
  1053.       _mesa_fprint_parameter_list(f, shader->Program->Parameters);
  1054.       fprintf(f, "*/\n");
  1055.    }
  1056.  
  1057.    fclose(f);
  1058. }
  1059.  
  1060.  
  1061. /**
  1062.  * Append the shader's uniform info/values to the shader log file.
  1063.  * The log file will typically have been created by the
  1064.  * _mesa_write_shader_to_file function.
  1065.  */
  1066. void
  1067. _mesa_append_uniforms_to_file(const struct gl_shader *shader)
  1068. {
  1069.    const struct gl_program *const prog = shader->Program;
  1070.    const char *type;
  1071.    char filename[100];
  1072.    FILE *f;
  1073.  
  1074.    if (shader->Stage == MESA_SHADER_FRAGMENT)
  1075.       type = "frag";
  1076.    else
  1077.       type = "vert";
  1078.  
  1079.    _mesa_snprintf(filename, sizeof(filename), "shader_%u.%s", shader->Name, type);
  1080.    f = fopen(filename, "a"); /* append */
  1081.    if (!f) {
  1082.       fprintf(stderr, "Unable to open %s for appending\n", filename);
  1083.       return;
  1084.    }
  1085.  
  1086.    fprintf(f, "/* First-draw parameters / constants */\n");
  1087.    fprintf(f, "/*\n");
  1088.    _mesa_fprint_parameter_list(f, prog->Parameters);
  1089.    fprintf(f, "*/\n");
  1090.  
  1091.    fclose(f);
  1092. }
  1093.