aboutsummaryrefslogtreecommitdiff
path: root/mesalib/src/mesa
diff options
context:
space:
mode:
Diffstat (limited to 'mesalib/src/mesa')
-rw-r--r--mesalib/src/mesa/program/prog_print.c2185
1 files changed, 1096 insertions, 1089 deletions
diff --git a/mesalib/src/mesa/program/prog_print.c b/mesalib/src/mesa/program/prog_print.c
index c1383f882..7c3b4909e 100644
--- a/mesalib/src/mesa/program/prog_print.c
+++ b/mesalib/src/mesa/program/prog_print.c
@@ -1,1089 +1,1096 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.3
- *
- * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
- * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/**
- * \file prog_print.c
- * Print vertex/fragment programs - for debugging.
- * \author Brian Paul
- */
-
-#include "main/glheader.h"
-#include "main/context.h"
-#include "main/imports.h"
-#include "prog_instruction.h"
-#include "prog_parameter.h"
-#include "prog_print.h"
-#include "prog_statevars.h"
-
-
-
-/**
- * Return string name for given program/register file.
- */
-const char *
-_mesa_register_file_name(gl_register_file f)
-{
- switch (f) {
- case PROGRAM_TEMPORARY:
- return "TEMP";
- case PROGRAM_LOCAL_PARAM:
- return "LOCAL";
- case PROGRAM_ENV_PARAM:
- return "ENV";
- case PROGRAM_STATE_VAR:
- return "STATE";
- case PROGRAM_INPUT:
- return "INPUT";
- case PROGRAM_OUTPUT:
- return "OUTPUT";
- case PROGRAM_NAMED_PARAM:
- return "NAMED";
- case PROGRAM_CONSTANT:
- return "CONST";
- case PROGRAM_UNIFORM:
- return "UNIFORM";
- case PROGRAM_VARYING:
- return "VARYING";
- case PROGRAM_WRITE_ONLY:
- return "WRITE_ONLY";
- case PROGRAM_ADDRESS:
- return "ADDR";
- case PROGRAM_SAMPLER:
- return "SAMPLER";
- case PROGRAM_SYSTEM_VALUE:
- return "SYSVAL";
- case PROGRAM_UNDEFINED:
- return "UNDEFINED";
- default:
- {
- static char s[20];
- _mesa_snprintf(s, sizeof(s), "FILE%u", f);
- return s;
- }
- }
-}
-
-
-/**
- * Return ARB_v/f_prog-style input attrib string.
- */
-static const char *
-arb_input_attrib_string(GLint index, GLenum progType)
-{
- /*
- * These strings should match the VERT_ATTRIB_x and FRAG_ATTRIB_x tokens.
- */
- const char *vertAttribs[] = {
- "vertex.position",
- "vertex.weight",
- "vertex.normal",
- "vertex.color.primary",
- "vertex.color.secondary",
- "vertex.fogcoord",
- "vertex.(six)",
- "vertex.(seven)",
- "vertex.texcoord[0]",
- "vertex.texcoord[1]",
- "vertex.texcoord[2]",
- "vertex.texcoord[3]",
- "vertex.texcoord[4]",
- "vertex.texcoord[5]",
- "vertex.texcoord[6]",
- "vertex.texcoord[7]",
- "vertex.attrib[0]",
- "vertex.attrib[1]",
- "vertex.attrib[2]",
- "vertex.attrib[3]",
- "vertex.attrib[4]",
- "vertex.attrib[5]",
- "vertex.attrib[6]",
- "vertex.attrib[7]",
- "vertex.attrib[8]",
- "vertex.attrib[9]",
- "vertex.attrib[10]",
- "vertex.attrib[11]",
- "vertex.attrib[12]",
- "vertex.attrib[13]",
- "vertex.attrib[14]",
- "vertex.attrib[15]"
- };
- const char *fragAttribs[] = {
- "fragment.position",
- "fragment.color.primary",
- "fragment.color.secondary",
- "fragment.fogcoord",
- "fragment.texcoord[0]",
- "fragment.texcoord[1]",
- "fragment.texcoord[2]",
- "fragment.texcoord[3]",
- "fragment.texcoord[4]",
- "fragment.texcoord[5]",
- "fragment.texcoord[6]",
- "fragment.texcoord[7]",
- "fragment.varying[0]",
- "fragment.varying[1]",
- "fragment.varying[2]",
- "fragment.varying[3]",
- "fragment.varying[4]",
- "fragment.varying[5]",
- "fragment.varying[6]",
- "fragment.varying[7]"
- };
-
- /* sanity checks */
- assert(strcmp(vertAttribs[VERT_ATTRIB_TEX0], "vertex.texcoord[0]") == 0);
- assert(strcmp(vertAttribs[VERT_ATTRIB_GENERIC15], "vertex.attrib[15]") == 0);
-
- if (progType == GL_VERTEX_PROGRAM_ARB) {
- assert(index < sizeof(vertAttribs) / sizeof(vertAttribs[0]));
- return vertAttribs[index];
- }
- else {
- assert(index < sizeof(fragAttribs) / sizeof(fragAttribs[0]));
- return fragAttribs[index];
- }
-}
-
-
-/**
- * Print a vertex program's InputsRead field in human-readable format.
- * For debugging.
- */
-void
-_mesa_print_vp_inputs(GLbitfield inputs)
-{
- printf("VP Inputs 0x%x: \n", inputs);
- while (inputs) {
- GLint attr = _mesa_ffs(inputs) - 1;
- const char *name = arb_input_attrib_string(attr,
- GL_VERTEX_PROGRAM_ARB);
- printf(" %d: %s\n", attr, name);
- inputs &= ~(1 << attr);
- }
-}
-
-
-/**
- * Print a fragment program's InputsRead field in human-readable format.
- * For debugging.
- */
-void
-_mesa_print_fp_inputs(GLbitfield inputs)
-{
- printf("FP Inputs 0x%x: \n", inputs);
- while (inputs) {
- GLint attr = _mesa_ffs(inputs) - 1;
- const char *name = arb_input_attrib_string(attr,
- GL_FRAGMENT_PROGRAM_ARB);
- printf(" %d: %s\n", attr, name);
- inputs &= ~(1 << attr);
- }
-}
-
-
-
-/**
- * Return ARB_v/f_prog-style output attrib string.
- */
-static const char *
-arb_output_attrib_string(GLint index, GLenum progType)
-{
- /*
- * These strings should match the VERT_RESULT_x and FRAG_RESULT_x tokens.
- */
- const char *vertResults[] = {
- "result.position",
- "result.color.primary",
- "result.color.secondary",
- "result.fogcoord",
- "result.texcoord[0]",
- "result.texcoord[1]",
- "result.texcoord[2]",
- "result.texcoord[3]",
- "result.texcoord[4]",
- "result.texcoord[5]",
- "result.texcoord[6]",
- "result.texcoord[7]",
- "result.varying[0]",
- "result.varying[1]",
- "result.varying[2]",
- "result.varying[3]",
- "result.varying[4]",
- "result.varying[5]",
- "result.varying[6]",
- "result.varying[7]"
- };
- const char *fragResults[] = {
- "result.color",
- "result.color(half)",
- "result.depth",
- "result.color[0]",
- "result.color[1]",
- "result.color[2]",
- "result.color[3]"
- };
-
- if (progType == GL_VERTEX_PROGRAM_ARB) {
- assert(index < sizeof(vertResults) / sizeof(vertResults[0]));
- return vertResults[index];
- }
- else {
- assert(index < sizeof(fragResults) / sizeof(fragResults[0]));
- return fragResults[index];
- }
-}
-
-
-/**
- * Return string representation of the given register.
- * Note that some types of registers (like PROGRAM_UNIFORM) aren't defined
- * by the ARB/NV program languages so we've taken some liberties here.
- * \param f the register file (PROGRAM_INPUT, PROGRAM_TEMPORARY, etc)
- * \param index number of the register in the register file
- * \param mode the output format/mode/style
- * \param prog pointer to containing program
- */
-static const char *
-reg_string(gl_register_file f, GLint index, gl_prog_print_mode mode,
- GLboolean relAddr, const struct gl_program *prog,
- GLboolean hasIndex2, GLboolean relAddr2, GLint index2)
-{
- static char str[100];
- const char *addr = relAddr ? "ADDR+" : "";
-
- str[0] = 0;
-
- switch (mode) {
- case PROG_PRINT_DEBUG:
- sprintf(str, "%s[%s%d]",
- _mesa_register_file_name(f), addr, index);
- if (hasIndex2) {
- int offset = strlen(str);
- const char *addr2 = relAddr2 ? "ADDR+" : "";
- sprintf(str+offset, "[%s%d]", addr2, index2);
- }
- break;
-
- case PROG_PRINT_ARB:
- switch (f) {
- case PROGRAM_INPUT:
- sprintf(str, "%s", arb_input_attrib_string(index, prog->Target));
- break;
- case PROGRAM_OUTPUT:
- sprintf(str, "%s", arb_output_attrib_string(index, prog->Target));
- break;
- case PROGRAM_TEMPORARY:
- sprintf(str, "temp%d", index);
- break;
- case PROGRAM_ENV_PARAM:
- sprintf(str, "program.env[%s%d]", addr, index);
- break;
- case PROGRAM_LOCAL_PARAM:
- sprintf(str, "program.local[%s%d]", addr, index);
- break;
- case PROGRAM_VARYING: /* extension */
- sprintf(str, "varying[%s%d]", addr, index);
- break;
- case PROGRAM_CONSTANT: /* extension */
- sprintf(str, "constant[%s%d]", addr, index);
- break;
- case PROGRAM_UNIFORM: /* extension */
- sprintf(str, "uniform[%s%d]", addr, index);
- break;
- case PROGRAM_SYSTEM_VALUE:
- sprintf(str, "sysvalue[%s%d]", addr, index);
- break;
- case PROGRAM_STATE_VAR:
- {
- struct gl_program_parameter *param
- = prog->Parameters->Parameters + index;
- char *state = _mesa_program_state_string(param->StateIndexes);
- sprintf(str, "%s", state);
- free(state);
- }
- break;
- case PROGRAM_ADDRESS:
- sprintf(str, "A%d", index);
- break;
- default:
- _mesa_problem(NULL, "bad file in reg_string()");
- }
- break;
-
- case PROG_PRINT_NV:
- switch (f) {
- case PROGRAM_INPUT:
- if (prog->Target == GL_VERTEX_PROGRAM_ARB)
- sprintf(str, "v[%d]", index);
- else
- sprintf(str, "f[%d]", index);
- break;
- case PROGRAM_OUTPUT:
- sprintf(str, "o[%d]", index);
- break;
- case PROGRAM_TEMPORARY:
- sprintf(str, "R%d", index);
- break;
- case PROGRAM_ENV_PARAM:
- sprintf(str, "c[%d]", index);
- break;
- case PROGRAM_VARYING: /* extension */
- sprintf(str, "varying[%s%d]", addr, index);
- break;
- case PROGRAM_UNIFORM: /* extension */
- sprintf(str, "uniform[%s%d]", addr, index);
- break;
- case PROGRAM_CONSTANT: /* extension */
- sprintf(str, "constant[%s%d]", addr, index);
- break;
- case PROGRAM_STATE_VAR: /* extension */
- sprintf(str, "state[%s%d]", addr, index);
- break;
- default:
- _mesa_problem(NULL, "bad file in reg_string()");
- }
- break;
-
- default:
- _mesa_problem(NULL, "bad mode in reg_string()");
- }
-
- return str;
-}
-
-
-/**
- * Return a string representation of the given swizzle word.
- * If extended is true, use extended (comma-separated) format.
- * \param swizzle the swizzle field
- * \param negateBase 4-bit negation vector
- * \param extended if true, also allow 0, 1 values
- */
-const char *
-_mesa_swizzle_string(GLuint swizzle, GLuint negateMask, GLboolean extended)
-{
- static const char swz[] = "xyzw01!?"; /* See SWIZZLE_x definitions */
- static char s[20];
- GLuint i = 0;
-
- if (!extended && swizzle == SWIZZLE_NOOP && negateMask == 0)
- return ""; /* no swizzle/negation */
-
- if (!extended)
- s[i++] = '.';
-
- if (negateMask & NEGATE_X)
- s[i++] = '-';
- s[i++] = swz[GET_SWZ(swizzle, 0)];
-
- if (extended) {
- s[i++] = ',';
- }
-
- if (negateMask & NEGATE_Y)
- s[i++] = '-';
- s[i++] = swz[GET_SWZ(swizzle, 1)];
-
- if (extended) {
- s[i++] = ',';
- }
-
- if (negateMask & NEGATE_Z)
- s[i++] = '-';
- s[i++] = swz[GET_SWZ(swizzle, 2)];
-
- if (extended) {
- s[i++] = ',';
- }
-
- if (negateMask & NEGATE_W)
- s[i++] = '-';
- s[i++] = swz[GET_SWZ(swizzle, 3)];
-
- s[i] = 0;
- return s;
-}
-
-
-void
-_mesa_print_swizzle(GLuint swizzle)
-{
- if (swizzle == SWIZZLE_XYZW) {
- printf(".xyzw\n");
- }
- else {
- const char *s = _mesa_swizzle_string(swizzle, 0, 0);
- printf("%s\n", s);
- }
-}
-
-
-const char *
-_mesa_writemask_string(GLuint writeMask)
-{
- static char s[10];
- GLuint i = 0;
-
- if (writeMask == WRITEMASK_XYZW)
- return "";
-
- s[i++] = '.';
- if (writeMask & WRITEMASK_X)
- s[i++] = 'x';
- if (writeMask & WRITEMASK_Y)
- s[i++] = 'y';
- if (writeMask & WRITEMASK_Z)
- s[i++] = 'z';
- if (writeMask & WRITEMASK_W)
- s[i++] = 'w';
-
- s[i] = 0;
- return s;
-}
-
-
-const char *
-_mesa_condcode_string(GLuint condcode)
-{
- switch (condcode) {
- case COND_GT: return "GT";
- case COND_EQ: return "EQ";
- case COND_LT: return "LT";
- case COND_UN: return "UN";
- case COND_GE: return "GE";
- case COND_LE: return "LE";
- case COND_NE: return "NE";
- case COND_TR: return "TR";
- case COND_FL: return "FL";
- default: return "cond???";
- }
-}
-
-
-static void
-fprint_dst_reg(FILE * f,
- const struct prog_dst_register *dstReg,
- gl_prog_print_mode mode,
- const struct gl_program *prog)
-{
- fprintf(f, "%s%s",
- reg_string((gl_register_file) dstReg->File,
- dstReg->Index, mode, dstReg->RelAddr, prog,
- GL_FALSE, GL_FALSE, 0),
- _mesa_writemask_string(dstReg->WriteMask));
-
- if (dstReg->CondMask != COND_TR) {
- fprintf(f, " (%s.%s)",
- _mesa_condcode_string(dstReg->CondMask),
- _mesa_swizzle_string(dstReg->CondSwizzle,
- GL_FALSE, GL_FALSE));
- }
-
-#if 0
- fprintf(f, "%s[%d]%s",
- _mesa_register_file_name((gl_register_file) dstReg->File),
- dstReg->Index,
- _mesa_writemask_string(dstReg->WriteMask));
-#endif
-}
-
-
-static void
-fprint_src_reg(FILE *f,
- const struct prog_src_register *srcReg,
- gl_prog_print_mode mode,
- const struct gl_program *prog)
-{
- const char *abs = srcReg->Abs ? "|" : "";
-
- fprintf(f, "%s%s%s%s",
- abs,
- reg_string((gl_register_file) srcReg->File,
- srcReg->Index, mode, srcReg->RelAddr, prog,
- srcReg->HasIndex2, srcReg->RelAddr2, srcReg->Index2),
- _mesa_swizzle_string(srcReg->Swizzle,
- srcReg->Negate, GL_FALSE),
- abs);
-#if 0
- fprintf(f, "%s[%d]%s",
- _mesa_register_file_name((gl_register_file) srcReg->File),
- srcReg->Index,
- _mesa_swizzle_string(srcReg->Swizzle,
- srcReg->Negate, GL_FALSE));
-#endif
-}
-
-
-static void
-fprint_comment(FILE *f, const struct prog_instruction *inst)
-{
- if (inst->Comment)
- fprintf(f, "; # %s\n", inst->Comment);
- else
- fprintf(f, ";\n");
-}
-
-
-void
-_mesa_fprint_alu_instruction(FILE *f,
- const struct prog_instruction *inst,
- const char *opcode_string, GLuint numRegs,
- gl_prog_print_mode mode,
- const struct gl_program *prog)
-{
- GLuint j;
-
- fprintf(f, "%s", opcode_string);
- if (inst->CondUpdate)
- fprintf(f, ".C");
-
- /* frag prog only */
- if (inst->SaturateMode == SATURATE_ZERO_ONE)
- fprintf(f, "_SAT");
-
- fprintf(f, " ");
- if (inst->DstReg.File != PROGRAM_UNDEFINED) {
- fprint_dst_reg(f, &inst->DstReg, mode, prog);
- }
- else {
- fprintf(f, " ???");
- }
-
- if (numRegs > 0)
- fprintf(f, ", ");
-
- for (j = 0; j < numRegs; j++) {
- fprint_src_reg(f, inst->SrcReg + j, mode, prog);
- if (j + 1 < numRegs)
- fprintf(f, ", ");
- }
-
- fprint_comment(f, inst);
-}
-
-
-void
-_mesa_print_alu_instruction(const struct prog_instruction *inst,
- const char *opcode_string, GLuint numRegs)
-{
- _mesa_fprint_alu_instruction(stderr, inst, opcode_string,
- numRegs, PROG_PRINT_DEBUG, NULL);
-}
-
-
-/**
- * Print a single vertex/fragment program instruction.
- */
-GLint
-_mesa_fprint_instruction_opt(FILE *f,
- const struct prog_instruction *inst,
- GLint indent,
- gl_prog_print_mode mode,
- const struct gl_program *prog)
-{
- GLint i;
-
- if (inst->Opcode == OPCODE_ELSE ||
- inst->Opcode == OPCODE_ENDIF ||
- inst->Opcode == OPCODE_ENDLOOP ||
- inst->Opcode == OPCODE_ENDSUB) {
- indent -= 3;
- }
- for (i = 0; i < indent; i++) {
- fprintf(f, " ");
- }
-
- switch (inst->Opcode) {
- case OPCODE_PRINT:
- fprintf(f, "PRINT '%s'", (char *) inst->Data);
- if (inst->SrcReg[0].File != PROGRAM_UNDEFINED) {
- fprintf(f, ", ");
- fprintf(f, "%s[%d]%s",
- _mesa_register_file_name((gl_register_file) inst->SrcReg[0].File),
- inst->SrcReg[0].Index,
- _mesa_swizzle_string(inst->SrcReg[0].Swizzle,
- inst->SrcReg[0].Negate, GL_FALSE));
- }
- if (inst->Comment)
- fprintf(f, " # %s", inst->Comment);
- fprint_comment(f, inst);
- break;
- case OPCODE_SWZ:
- fprintf(f, "SWZ");
- if (inst->SaturateMode == SATURATE_ZERO_ONE)
- fprintf(f, "_SAT");
- fprintf(f, " ");
- fprint_dst_reg(f, &inst->DstReg, mode, prog);
- fprintf(f, ", %s[%d], %s",
- _mesa_register_file_name((gl_register_file) inst->SrcReg[0].File),
- inst->SrcReg[0].Index,
- _mesa_swizzle_string(inst->SrcReg[0].Swizzle,
- inst->SrcReg[0].Negate, GL_TRUE));
- fprint_comment(f, inst);
- break;
- case OPCODE_TEX:
- case OPCODE_TXP:
- case OPCODE_TXL:
- case OPCODE_TXB:
- fprintf(f, "%s", _mesa_opcode_string(inst->Opcode));
- if (inst->SaturateMode == SATURATE_ZERO_ONE)
- fprintf(f, "_SAT");
- fprintf(f, " ");
- fprint_dst_reg(f, &inst->DstReg, mode, prog);
- fprintf(f, ", ");
- fprint_src_reg(f, &inst->SrcReg[0], mode, prog);
- fprintf(f, ", texture[%d], ", inst->TexSrcUnit);
- switch (inst->TexSrcTarget) {
- case TEXTURE_1D_INDEX: fprintf(f, "1D"); break;
- case TEXTURE_2D_INDEX: fprintf(f, "2D"); break;
- case TEXTURE_3D_INDEX: fprintf(f, "3D"); break;
- case TEXTURE_CUBE_INDEX: fprintf(f, "CUBE"); break;
- case TEXTURE_RECT_INDEX: fprintf(f, "RECT"); break;
- case TEXTURE_1D_ARRAY_INDEX: fprintf(f, "1D_ARRAY"); break;
- case TEXTURE_2D_ARRAY_INDEX: fprintf(f, "2D_ARRAY"); break;
- default:
- ;
- }
- if (inst->TexShadow)
- fprintf(f, " SHADOW");
- fprint_comment(f, inst);
- break;
-
- case OPCODE_KIL:
- fprintf(f, "%s", _mesa_opcode_string(inst->Opcode));
- fprintf(f, " ");
- fprint_src_reg(f, &inst->SrcReg[0], mode, prog);
- fprint_comment(f, inst);
- break;
- case OPCODE_KIL_NV:
- fprintf(f, "%s", _mesa_opcode_string(inst->Opcode));
- fprintf(f, " ");
- fprintf(f, "%s.%s",
- _mesa_condcode_string(inst->DstReg.CondMask),
- _mesa_swizzle_string(inst->DstReg.CondSwizzle,
- GL_FALSE, GL_FALSE));
- fprint_comment(f, inst);
- break;
-
- case OPCODE_ARL:
- fprintf(f, "ARL ");
- fprint_dst_reg(f, &inst->DstReg, mode, prog);
- fprintf(f, ", ");
- fprint_src_reg(f, &inst->SrcReg[0], mode, prog);
- fprint_comment(f, inst);
- break;
- case OPCODE_BRA:
- fprintf(f, "BRA %d (%s%s)",
- inst->BranchTarget,
- _mesa_condcode_string(inst->DstReg.CondMask),
- _mesa_swizzle_string(inst->DstReg.CondSwizzle, 0, GL_FALSE));
- fprint_comment(f, inst);
- break;
- case OPCODE_IF:
- if (inst->SrcReg[0].File != PROGRAM_UNDEFINED) {
- /* Use ordinary register */
- fprintf(f, "IF ");
- fprint_src_reg(f, &inst->SrcReg[0], mode, prog);
- fprintf(f, "; ");
- }
- else {
- /* Use cond codes */
- fprintf(f, "IF (%s%s);",
- _mesa_condcode_string(inst->DstReg.CondMask),
- _mesa_swizzle_string(inst->DstReg.CondSwizzle,
- 0, GL_FALSE));
- }
- fprintf(f, " # (if false, goto %d)", inst->BranchTarget);
- fprint_comment(f, inst);
- return indent + 3;
- case OPCODE_ELSE:
- fprintf(f, "ELSE; # (goto %d)\n", inst->BranchTarget);
- return indent + 3;
- case OPCODE_ENDIF:
- fprintf(f, "ENDIF;\n");
- break;
- case OPCODE_BGNLOOP:
- fprintf(f, "BGNLOOP; # (end at %d)\n", inst->BranchTarget);
- return indent + 3;
- case OPCODE_ENDLOOP:
- fprintf(f, "ENDLOOP; # (goto %d)\n", inst->BranchTarget);
- break;
- case OPCODE_BRK:
- case OPCODE_CONT:
- fprintf(f, "%s (%s%s); # (goto %d)",
- _mesa_opcode_string(inst->Opcode),
- _mesa_condcode_string(inst->DstReg.CondMask),
- _mesa_swizzle_string(inst->DstReg.CondSwizzle, 0, GL_FALSE),
- inst->BranchTarget);
- fprint_comment(f, inst);
- break;
-
- case OPCODE_BGNSUB:
- if (mode == PROG_PRINT_NV) {
- fprintf(f, "%s:\n", inst->Comment); /* comment is label */
- return indent;
- }
- else {
- fprintf(f, "BGNSUB");
- fprint_comment(f, inst);
- return indent + 3;
- }
- case OPCODE_ENDSUB:
- if (mode == PROG_PRINT_DEBUG) {
- fprintf(f, "ENDSUB");
- fprint_comment(f, inst);
- }
- break;
- case OPCODE_CAL:
- if (mode == PROG_PRINT_NV) {
- fprintf(f, "CAL %s; # (goto %d)\n", inst->Comment, inst->BranchTarget);
- }
- else {
- fprintf(f, "CAL %u", inst->BranchTarget);
- fprint_comment(f, inst);
- }
- break;
- case OPCODE_RET:
- fprintf(f, "RET (%s%s)",
- _mesa_condcode_string(inst->DstReg.CondMask),
- _mesa_swizzle_string(inst->DstReg.CondSwizzle, 0, GL_FALSE));
- fprint_comment(f, inst);
- break;
-
- case OPCODE_END:
- fprintf(f, "END\n");
- break;
- case OPCODE_NOP:
- if (mode == PROG_PRINT_DEBUG) {
- fprintf(f, "NOP");
- fprint_comment(f, inst);
- }
- else if (inst->Comment) {
- /* ARB/NV extensions don't have NOP instruction */
- fprintf(f, "# %s\n", inst->Comment);
- }
- break;
- case OPCODE_EMIT_VERTEX:
- fprintf(f, "EMIT_VERTEX\n");
- break;
- case OPCODE_END_PRIMITIVE:
- fprintf(f, "END_PRIMITIVE\n");
- break;
- /* XXX may need other special-case instructions */
- default:
- if (inst->Opcode < MAX_OPCODE) {
- /* typical alu instruction */
- _mesa_fprint_alu_instruction(f, inst,
- _mesa_opcode_string(inst->Opcode),
- _mesa_num_inst_src_regs(inst->Opcode),
- mode, prog);
- }
- else {
- _mesa_fprint_alu_instruction(f, inst,
- _mesa_opcode_string(inst->Opcode),
- 3/*_mesa_num_inst_src_regs(inst->Opcode)*/,
- mode, prog);
- }
- break;
- }
- return indent;
-}
-
-
-GLint
-_mesa_print_instruction_opt(const struct prog_instruction *inst,
- GLint indent,
- gl_prog_print_mode mode,
- const struct gl_program *prog)
-{
- return _mesa_fprint_instruction_opt(stderr, inst, indent, mode, prog);
-}
-
-
-void
-_mesa_print_instruction(const struct prog_instruction *inst)
-{
- /* note: 4th param should be ignored for PROG_PRINT_DEBUG */
- _mesa_fprint_instruction_opt(stderr, inst, 0, PROG_PRINT_DEBUG, NULL);
-}
-
-
-
-/**
- * Print program, with options.
- */
-void
-_mesa_fprint_program_opt(FILE *f,
- const struct gl_program *prog,
- gl_prog_print_mode mode,
- GLboolean lineNumbers)
-{
- GLuint i, indent = 0;
-
- switch (prog->Target) {
- case GL_VERTEX_PROGRAM_ARB:
- if (mode == PROG_PRINT_ARB)
- fprintf(f, "!!ARBvp1.0\n");
- else if (mode == PROG_PRINT_NV)
- fprintf(f, "!!VP1.0\n");
- else
- fprintf(f, "# Vertex Program/Shader %u\n", prog->Id);
- break;
- case GL_FRAGMENT_PROGRAM_ARB:
- case GL_FRAGMENT_PROGRAM_NV:
- if (mode == PROG_PRINT_ARB)
- fprintf(f, "!!ARBfp1.0\n");
- else if (mode == PROG_PRINT_NV)
- fprintf(f, "!!FP1.0\n");
- else
- fprintf(f, "# Fragment Program/Shader %u\n", prog->Id);
- break;
- case MESA_GEOMETRY_PROGRAM:
- fprintf(f, "# Geometry Shader\n");
- }
-
- for (i = 0; i < prog->NumInstructions; i++) {
- if (lineNumbers)
- fprintf(f, "%3d: ", i);
- indent = _mesa_fprint_instruction_opt(f, prog->Instructions + i,
- indent, mode, prog);
- }
-}
-
-
-/**
- * Print program to stderr, default options.
- */
-void
-_mesa_print_program(const struct gl_program *prog)
-{
- _mesa_fprint_program_opt(stderr, prog, PROG_PRINT_DEBUG, GL_TRUE);
-}
-
-
-/**
- * Return binary representation of 64-bit value (as a string).
- * Insert a comma to separate each group of 8 bits.
- * Note we return a pointer to local static storage so this is not
- * re-entrant, etc.
- * XXX move to imports.[ch] if useful elsewhere.
- */
-static const char *
-binary(GLbitfield64 val)
-{
- static char buf[80];
- GLint i, len = 0;
- for (i = 63; i >= 0; --i) {
- if (val & (BITFIELD64_BIT(i)))
- buf[len++] = '1';
- else if (len > 0 || i == 0)
- buf[len++] = '0';
- if (len > 0 && ((i-1) % 8) == 7)
- buf[len++] = ',';
- }
- buf[len] = '\0';
- return buf;
-}
-
-
-/**
- * Print all of a program's parameters/fields to given file.
- */
-static void
-_mesa_fprint_program_parameters(FILE *f,
- struct gl_context *ctx,
- const struct gl_program *prog)
-{
- GLuint i;
-
- fprintf(f, "InputsRead: 0x%x (0b%s)\n",
- prog->InputsRead, binary(prog->InputsRead));
- fprintf(f, "OutputsWritten: 0x%llx (0b%s)\n",
- (unsigned long long)prog->OutputsWritten,
- binary(prog->OutputsWritten));
- fprintf(f, "NumInstructions=%d\n", prog->NumInstructions);
- fprintf(f, "NumTemporaries=%d\n", prog->NumTemporaries);
- fprintf(f, "NumParameters=%d\n", prog->NumParameters);
- fprintf(f, "NumAttributes=%d\n", prog->NumAttributes);
- fprintf(f, "NumAddressRegs=%d\n", prog->NumAddressRegs);
- fprintf(f, "IndirectRegisterFiles: 0x%x (0b%s)\n",
- prog->IndirectRegisterFiles, binary(prog->IndirectRegisterFiles));
- fprintf(f, "SamplersUsed: 0x%x (0b%s)\n",
- prog->SamplersUsed, binary(prog->SamplersUsed));
- fprintf(f, "Samplers=[ ");
- for (i = 0; i < MAX_SAMPLERS; i++) {
- fprintf(f, "%d ", prog->SamplerUnits[i]);
- }
- fprintf(f, "]\n");
-
- _mesa_load_state_parameters(ctx, prog->Parameters);
-
-#if 0
- fprintf(f, "Local Params:\n");
- for (i = 0; i < MAX_PROGRAM_LOCAL_PARAMS; i++){
- const GLfloat *p = prog->LocalParams[i];
- fprintf(f, "%2d: %f, %f, %f, %f\n", i, p[0], p[1], p[2], p[3]);
- }
-#endif
- _mesa_print_parameter_list(prog->Parameters);
-}
-
-
-/**
- * Print all of a program's parameters/fields to stderr.
- */
-void
-_mesa_print_program_parameters(struct gl_context *ctx, const struct gl_program *prog)
-{
- _mesa_fprint_program_parameters(stderr, ctx, prog);
-}
-
-
-/**
- * Print a program parameter list to given file.
- */
-static void
-_mesa_fprint_parameter_list(FILE *f,
- const struct gl_program_parameter_list *list)
-{
- GLuint i;
-
- if (!list)
- return;
-
- if (0)
- fprintf(f, "param list %p\n", (void *) list);
- fprintf(f, "dirty state flags: 0x%x\n", list->StateFlags);
- for (i = 0; i < list->NumParameters; i++){
- struct gl_program_parameter *param = list->Parameters + i;
- const GLfloat *v = list->ParameterValues[i];
- fprintf(f, "param[%d] sz=%d %s %s = {%.3g, %.3g, %.3g, %.3g}",
- i, param->Size,
- _mesa_register_file_name(list->Parameters[i].Type),
- param->Name, v[0], v[1], v[2], v[3]);
- if (param->Flags & PROG_PARAM_BIT_CENTROID)
- fprintf(f, " Centroid");
- if (param->Flags & PROG_PARAM_BIT_INVARIANT)
- fprintf(f, " Invariant");
- if (param->Flags & PROG_PARAM_BIT_FLAT)
- fprintf(f, " Flat");
- if (param->Flags & PROG_PARAM_BIT_LINEAR)
- fprintf(f, " Linear");
- fprintf(f, "\n");
- }
-}
-
-
-/**
- * Print a program parameter list to stderr.
- */
-void
-_mesa_print_parameter_list(const struct gl_program_parameter_list *list)
-{
- _mesa_fprint_parameter_list(stderr, list);
-}
-
-
-/**
- * Write shader and associated info to a file.
- */
-void
-_mesa_write_shader_to_file(const struct gl_shader *shader)
-{
- const char *type;
- char filename[100];
- FILE *f;
-
- if (shader->Type == GL_FRAGMENT_SHADER)
- type = "frag";
- else if (shader->Type == GL_VERTEX_SHADER)
- type = "vert";
- else
- type = "geom";
-
- _mesa_snprintf(filename, sizeof(filename), "shader_%u.%s", shader->Name, type);
- f = fopen(filename, "w");
- if (!f) {
- fprintf(stderr, "Unable to open %s for writing\n", filename);
- return;
- }
-
- fprintf(f, "/* Shader %u source, checksum %u */\n", shader->Name, shader->SourceChecksum);
- fputs(shader->Source, f);
- fprintf(f, "\n");
-
- fprintf(f, "/* Compile status: %s */\n",
- shader->CompileStatus ? "ok" : "fail");
- fprintf(f, "/* Log Info: */\n");
- if (shader->InfoLog) {
- fputs(shader->InfoLog, f);
- }
- if (shader->CompileStatus && shader->Program) {
- fprintf(f, "/* GPU code */\n");
- fprintf(f, "/*\n");
- _mesa_fprint_program_opt(f, shader->Program, PROG_PRINT_DEBUG, GL_TRUE);
- fprintf(f, "*/\n");
- fprintf(f, "/* Parameters / constants */\n");
- fprintf(f, "/*\n");
- _mesa_fprint_parameter_list(f, shader->Program->Parameters);
- fprintf(f, "*/\n");
- }
-
- fclose(f);
-}
-
-
-/**
- * Append the shader's uniform info/values to the shader log file.
- * The log file will typically have been created by the
- * _mesa_write_shader_to_file function.
- */
-void
-_mesa_append_uniforms_to_file(const struct gl_shader *shader,
- const struct gl_program *prog)
-{
- const char *type;
- char filename[100];
- FILE *f;
-
- if (shader->Type == GL_FRAGMENT_SHADER)
- type = "frag";
- else
- type = "vert";
-
- _mesa_snprintf(filename, sizeof(filename), "shader_%u.%s", shader->Name, type);
- f = fopen(filename, "a"); /* append */
- if (!f) {
- fprintf(stderr, "Unable to open %s for appending\n", filename);
- return;
- }
-
- fprintf(f, "/* First-draw parameters / constants */\n");
- fprintf(f, "/*\n");
- _mesa_fprint_parameter_list(f, prog->Parameters);
- fprintf(f, "*/\n");
-
- fclose(f);
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.3
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file prog_print.c
+ * Print vertex/fragment programs - for debugging.
+ * \author Brian Paul
+ */
+
+#include "main/glheader.h"
+#include "main/context.h"
+#include "main/imports.h"
+#include "prog_instruction.h"
+#include "prog_parameter.h"
+#include "prog_print.h"
+#include "prog_statevars.h"
+
+
+
+/**
+ * Return string name for given program/register file.
+ */
+const char *
+_mesa_register_file_name(gl_register_file f)
+{
+ switch (f) {
+ case PROGRAM_TEMPORARY:
+ return "TEMP";
+ case PROGRAM_LOCAL_PARAM:
+ return "LOCAL";
+ case PROGRAM_ENV_PARAM:
+ return "ENV";
+ case PROGRAM_STATE_VAR:
+ return "STATE";
+ case PROGRAM_INPUT:
+ return "INPUT";
+ case PROGRAM_OUTPUT:
+ return "OUTPUT";
+ case PROGRAM_NAMED_PARAM:
+ return "NAMED";
+ case PROGRAM_CONSTANT:
+ return "CONST";
+ case PROGRAM_UNIFORM:
+ return "UNIFORM";
+ case PROGRAM_VARYING:
+ return "VARYING";
+ case PROGRAM_WRITE_ONLY:
+ return "WRITE_ONLY";
+ case PROGRAM_ADDRESS:
+ return "ADDR";
+ case PROGRAM_SAMPLER:
+ return "SAMPLER";
+ case PROGRAM_SYSTEM_VALUE:
+ return "SYSVAL";
+ case PROGRAM_UNDEFINED:
+ return "UNDEFINED";
+ default:
+ {
+ static char s[20];
+ _mesa_snprintf(s, sizeof(s), "FILE%u", f);
+ return s;
+ }
+ }
+}
+
+
+/**
+ * Return ARB_v/f_prog-style input attrib string.
+ */
+static const char *
+arb_input_attrib_string(GLint index, GLenum progType)
+{
+ /*
+ * These strings should match the VERT_ATTRIB_x and FRAG_ATTRIB_x tokens.
+ */
+ const char *vertAttribs[] = {
+ "vertex.position",
+ "vertex.weight",
+ "vertex.normal",
+ "vertex.color.primary",
+ "vertex.color.secondary",
+ "vertex.fogcoord",
+ "vertex.(six)",
+ "vertex.(seven)",
+ "vertex.texcoord[0]",
+ "vertex.texcoord[1]",
+ "vertex.texcoord[2]",
+ "vertex.texcoord[3]",
+ "vertex.texcoord[4]",
+ "vertex.texcoord[5]",
+ "vertex.texcoord[6]",
+ "vertex.texcoord[7]",
+ "vertex.attrib[0]",
+ "vertex.attrib[1]",
+ "vertex.attrib[2]",
+ "vertex.attrib[3]",
+ "vertex.attrib[4]",
+ "vertex.attrib[5]",
+ "vertex.attrib[6]",
+ "vertex.attrib[7]",
+ "vertex.attrib[8]",
+ "vertex.attrib[9]",
+ "vertex.attrib[10]",
+ "vertex.attrib[11]",
+ "vertex.attrib[12]",
+ "vertex.attrib[13]",
+ "vertex.attrib[14]",
+ "vertex.attrib[15]"
+ };
+ const char *fragAttribs[] = {
+ "fragment.position",
+ "fragment.color.primary",
+ "fragment.color.secondary",
+ "fragment.fogcoord",
+ "fragment.texcoord[0]",
+ "fragment.texcoord[1]",
+ "fragment.texcoord[2]",
+ "fragment.texcoord[3]",
+ "fragment.texcoord[4]",
+ "fragment.texcoord[5]",
+ "fragment.texcoord[6]",
+ "fragment.texcoord[7]",
+ "fragment.varying[0]",
+ "fragment.varying[1]",
+ "fragment.varying[2]",
+ "fragment.varying[3]",
+ "fragment.varying[4]",
+ "fragment.varying[5]",
+ "fragment.varying[6]",
+ "fragment.varying[7]"
+ };
+
+ /* sanity checks */
+ assert(strcmp(vertAttribs[VERT_ATTRIB_TEX0], "vertex.texcoord[0]") == 0);
+ assert(strcmp(vertAttribs[VERT_ATTRIB_GENERIC15], "vertex.attrib[15]") == 0);
+
+ if (progType == GL_VERTEX_PROGRAM_ARB) {
+ assert(index < sizeof(vertAttribs) / sizeof(vertAttribs[0]));
+ return vertAttribs[index];
+ }
+ else {
+ assert(index < sizeof(fragAttribs) / sizeof(fragAttribs[0]));
+ return fragAttribs[index];
+ }
+}
+
+
+/**
+ * Print a vertex program's InputsRead field in human-readable format.
+ * For debugging.
+ */
+void
+_mesa_print_vp_inputs(GLbitfield inputs)
+{
+ printf("VP Inputs 0x%x: \n", inputs);
+ while (inputs) {
+ GLint attr = _mesa_ffs(inputs) - 1;
+ const char *name = arb_input_attrib_string(attr,
+ GL_VERTEX_PROGRAM_ARB);
+ printf(" %d: %s\n", attr, name);
+ inputs &= ~(1 << attr);
+ }
+}
+
+
+/**
+ * Print a fragment program's InputsRead field in human-readable format.
+ * For debugging.
+ */
+void
+_mesa_print_fp_inputs(GLbitfield inputs)
+{
+ printf("FP Inputs 0x%x: \n", inputs);
+ while (inputs) {
+ GLint attr = _mesa_ffs(inputs) - 1;
+ const char *name = arb_input_attrib_string(attr,
+ GL_FRAGMENT_PROGRAM_ARB);
+ printf(" %d: %s\n", attr, name);
+ inputs &= ~(1 << attr);
+ }
+}
+
+
+
+/**
+ * Return ARB_v/f_prog-style output attrib string.
+ */
+static const char *
+arb_output_attrib_string(GLint index, GLenum progType)
+{
+ /*
+ * These strings should match the VERT_RESULT_x and FRAG_RESULT_x tokens.
+ */
+ const char *vertResults[] = {
+ "result.position",
+ "result.color.primary",
+ "result.color.secondary",
+ "result.fogcoord",
+ "result.texcoord[0]",
+ "result.texcoord[1]",
+ "result.texcoord[2]",
+ "result.texcoord[3]",
+ "result.texcoord[4]",
+ "result.texcoord[5]",
+ "result.texcoord[6]",
+ "result.texcoord[7]",
+ "result.varying[0]",
+ "result.varying[1]",
+ "result.varying[2]",
+ "result.varying[3]",
+ "result.varying[4]",
+ "result.varying[5]",
+ "result.varying[6]",
+ "result.varying[7]"
+ };
+ const char *fragResults[] = {
+ "result.color",
+ "result.color(half)",
+ "result.depth",
+ "result.color[0]",
+ "result.color[1]",
+ "result.color[2]",
+ "result.color[3]"
+ };
+
+ if (progType == GL_VERTEX_PROGRAM_ARB) {
+ assert(index < sizeof(vertResults) / sizeof(vertResults[0]));
+ return vertResults[index];
+ }
+ else {
+ assert(index < sizeof(fragResults) / sizeof(fragResults[0]));
+ return fragResults[index];
+ }
+}
+
+
+/**
+ * Return string representation of the given register.
+ * Note that some types of registers (like PROGRAM_UNIFORM) aren't defined
+ * by the ARB/NV program languages so we've taken some liberties here.
+ * \param f the register file (PROGRAM_INPUT, PROGRAM_TEMPORARY, etc)
+ * \param index number of the register in the register file
+ * \param mode the output format/mode/style
+ * \param prog pointer to containing program
+ */
+static const char *
+reg_string(gl_register_file f, GLint index, gl_prog_print_mode mode,
+ GLboolean relAddr, const struct gl_program *prog,
+ GLboolean hasIndex2, GLboolean relAddr2, GLint index2)
+{
+ static char str[100];
+ const char *addr = relAddr ? "ADDR+" : "";
+
+ str[0] = 0;
+
+ switch (mode) {
+ case PROG_PRINT_DEBUG:
+ sprintf(str, "%s[%s%d]",
+ _mesa_register_file_name(f), addr, index);
+ if (hasIndex2) {
+ int offset = strlen(str);
+ const char *addr2 = relAddr2 ? "ADDR+" : "";
+ sprintf(str+offset, "[%s%d]", addr2, index2);
+ }
+ break;
+
+ case PROG_PRINT_ARB:
+ switch (f) {
+ case PROGRAM_INPUT:
+ sprintf(str, "%s", arb_input_attrib_string(index, prog->Target));
+ break;
+ case PROGRAM_OUTPUT:
+ sprintf(str, "%s", arb_output_attrib_string(index, prog->Target));
+ break;
+ case PROGRAM_TEMPORARY:
+ sprintf(str, "temp%d", index);
+ break;
+ case PROGRAM_ENV_PARAM:
+ sprintf(str, "program.env[%s%d]", addr, index);
+ break;
+ case PROGRAM_LOCAL_PARAM:
+ sprintf(str, "program.local[%s%d]", addr, index);
+ break;
+ case PROGRAM_VARYING: /* extension */
+ sprintf(str, "varying[%s%d]", addr, index);
+ break;
+ case PROGRAM_CONSTANT: /* extension */
+ sprintf(str, "constant[%s%d]", addr, index);
+ break;
+ case PROGRAM_UNIFORM: /* extension */
+ sprintf(str, "uniform[%s%d]", addr, index);
+ break;
+ case PROGRAM_SYSTEM_VALUE:
+ sprintf(str, "sysvalue[%s%d]", addr, index);
+ break;
+ case PROGRAM_STATE_VAR:
+ {
+ struct gl_program_parameter *param
+ = prog->Parameters->Parameters + index;
+ char *state = _mesa_program_state_string(param->StateIndexes);
+ sprintf(str, "%s", state);
+ free(state);
+ }
+ break;
+ case PROGRAM_ADDRESS:
+ sprintf(str, "A%d", index);
+ break;
+ default:
+ _mesa_problem(NULL, "bad file in reg_string()");
+ }
+ break;
+
+ case PROG_PRINT_NV:
+ switch (f) {
+ case PROGRAM_INPUT:
+ if (prog->Target == GL_VERTEX_PROGRAM_ARB)
+ sprintf(str, "v[%d]", index);
+ else
+ sprintf(str, "f[%d]", index);
+ break;
+ case PROGRAM_OUTPUT:
+ sprintf(str, "o[%d]", index);
+ break;
+ case PROGRAM_TEMPORARY:
+ sprintf(str, "R%d", index);
+ break;
+ case PROGRAM_ENV_PARAM:
+ sprintf(str, "c[%d]", index);
+ break;
+ case PROGRAM_VARYING: /* extension */
+ sprintf(str, "varying[%s%d]", addr, index);
+ break;
+ case PROGRAM_UNIFORM: /* extension */
+ sprintf(str, "uniform[%s%d]", addr, index);
+ break;
+ case PROGRAM_CONSTANT: /* extension */
+ sprintf(str, "constant[%s%d]", addr, index);
+ break;
+ case PROGRAM_STATE_VAR: /* extension */
+ sprintf(str, "state[%s%d]", addr, index);
+ break;
+ default:
+ _mesa_problem(NULL, "bad file in reg_string()");
+ }
+ break;
+
+ default:
+ _mesa_problem(NULL, "bad mode in reg_string()");
+ }
+
+ return str;
+}
+
+
+/**
+ * Return a string representation of the given swizzle word.
+ * If extended is true, use extended (comma-separated) format.
+ * \param swizzle the swizzle field
+ * \param negateBase 4-bit negation vector
+ * \param extended if true, also allow 0, 1 values
+ */
+const char *
+_mesa_swizzle_string(GLuint swizzle, GLuint negateMask, GLboolean extended)
+{
+ static const char swz[] = "xyzw01!?"; /* See SWIZZLE_x definitions */
+ static char s[20];
+ GLuint i = 0;
+
+ if (!extended && swizzle == SWIZZLE_NOOP && negateMask == 0)
+ return ""; /* no swizzle/negation */
+
+ if (!extended)
+ s[i++] = '.';
+
+ if (negateMask & NEGATE_X)
+ s[i++] = '-';
+ s[i++] = swz[GET_SWZ(swizzle, 0)];
+
+ if (extended) {
+ s[i++] = ',';
+ }
+
+ if (negateMask & NEGATE_Y)
+ s[i++] = '-';
+ s[i++] = swz[GET_SWZ(swizzle, 1)];
+
+ if (extended) {
+ s[i++] = ',';
+ }
+
+ if (negateMask & NEGATE_Z)
+ s[i++] = '-';
+ s[i++] = swz[GET_SWZ(swizzle, 2)];
+
+ if (extended) {
+ s[i++] = ',';
+ }
+
+ if (negateMask & NEGATE_W)
+ s[i++] = '-';
+ s[i++] = swz[GET_SWZ(swizzle, 3)];
+
+ s[i] = 0;
+ return s;
+}
+
+
+void
+_mesa_print_swizzle(GLuint swizzle)
+{
+ if (swizzle == SWIZZLE_XYZW) {
+ printf(".xyzw\n");
+ }
+ else {
+ const char *s = _mesa_swizzle_string(swizzle, 0, 0);
+ printf("%s\n", s);
+ }
+}
+
+
+const char *
+_mesa_writemask_string(GLuint writeMask)
+{
+ static char s[10];
+ GLuint i = 0;
+
+ if (writeMask == WRITEMASK_XYZW)
+ return "";
+
+ s[i++] = '.';
+ if (writeMask & WRITEMASK_X)
+ s[i++] = 'x';
+ if (writeMask & WRITEMASK_Y)
+ s[i++] = 'y';
+ if (writeMask & WRITEMASK_Z)
+ s[i++] = 'z';
+ if (writeMask & WRITEMASK_W)
+ s[i++] = 'w';
+
+ s[i] = 0;
+ return s;
+}
+
+
+const char *
+_mesa_condcode_string(GLuint condcode)
+{
+ switch (condcode) {
+ case COND_GT: return "GT";
+ case COND_EQ: return "EQ";
+ case COND_LT: return "LT";
+ case COND_UN: return "UN";
+ case COND_GE: return "GE";
+ case COND_LE: return "LE";
+ case COND_NE: return "NE";
+ case COND_TR: return "TR";
+ case COND_FL: return "FL";
+ default: return "cond???";
+ }
+}
+
+
+static void
+fprint_dst_reg(FILE * f,
+ const struct prog_dst_register *dstReg,
+ gl_prog_print_mode mode,
+ const struct gl_program *prog)
+{
+ fprintf(f, "%s%s",
+ reg_string((gl_register_file) dstReg->File,
+ dstReg->Index, mode, dstReg->RelAddr, prog,
+ GL_FALSE, GL_FALSE, 0),
+ _mesa_writemask_string(dstReg->WriteMask));
+
+ if (dstReg->CondMask != COND_TR) {
+ fprintf(f, " (%s.%s)",
+ _mesa_condcode_string(dstReg->CondMask),
+ _mesa_swizzle_string(dstReg->CondSwizzle,
+ GL_FALSE, GL_FALSE));
+ }
+
+#if 0
+ fprintf(f, "%s[%d]%s",
+ _mesa_register_file_name((gl_register_file) dstReg->File),
+ dstReg->Index,
+ _mesa_writemask_string(dstReg->WriteMask));
+#endif
+}
+
+
+static void
+fprint_src_reg(FILE *f,
+ const struct prog_src_register *srcReg,
+ gl_prog_print_mode mode,
+ const struct gl_program *prog)
+{
+ const char *abs = srcReg->Abs ? "|" : "";
+
+ fprintf(f, "%s%s%s%s",
+ abs,
+ reg_string((gl_register_file) srcReg->File,
+ srcReg->Index, mode, srcReg->RelAddr, prog,
+ srcReg->HasIndex2, srcReg->RelAddr2, srcReg->Index2),
+ _mesa_swizzle_string(srcReg->Swizzle,
+ srcReg->Negate, GL_FALSE),
+ abs);
+#if 0
+ fprintf(f, "%s[%d]%s",
+ _mesa_register_file_name((gl_register_file) srcReg->File),
+ srcReg->Index,
+ _mesa_swizzle_string(srcReg->Swizzle,
+ srcReg->Negate, GL_FALSE));
+#endif
+}
+
+
+static void
+fprint_comment(FILE *f, const struct prog_instruction *inst)
+{
+ if (inst->Comment)
+ fprintf(f, "; # %s\n", inst->Comment);
+ else
+ fprintf(f, ";\n");
+}
+
+
+void
+_mesa_fprint_alu_instruction(FILE *f,
+ const struct prog_instruction *inst,
+ const char *opcode_string, GLuint numRegs,
+ gl_prog_print_mode mode,
+ const struct gl_program *prog)
+{
+ GLuint j;
+
+ fprintf(f, "%s", opcode_string);
+ if (inst->CondUpdate)
+ fprintf(f, ".C");
+
+ /* frag prog only */
+ if (inst->SaturateMode == SATURATE_ZERO_ONE)
+ fprintf(f, "_SAT");
+
+ fprintf(f, " ");
+ if (inst->DstReg.File != PROGRAM_UNDEFINED) {
+ fprint_dst_reg(f, &inst->DstReg, mode, prog);
+ }
+ else {
+ fprintf(f, " ???");
+ }
+
+ if (numRegs > 0)
+ fprintf(f, ", ");
+
+ for (j = 0; j < numRegs; j++) {
+ fprint_src_reg(f, inst->SrcReg + j, mode, prog);
+ if (j + 1 < numRegs)
+ fprintf(f, ", ");
+ }
+
+ fprint_comment(f, inst);
+}
+
+
+void
+_mesa_print_alu_instruction(const struct prog_instruction *inst,
+ const char *opcode_string, GLuint numRegs)
+{
+ _mesa_fprint_alu_instruction(stderr, inst, opcode_string,
+ numRegs, PROG_PRINT_DEBUG, NULL);
+}
+
+
+/**
+ * Print a single vertex/fragment program instruction.
+ */
+GLint
+_mesa_fprint_instruction_opt(FILE *f,
+ const struct prog_instruction *inst,
+ GLint indent,
+ gl_prog_print_mode mode,
+ const struct gl_program *prog)
+{
+ GLint i;
+
+ if (inst->Opcode == OPCODE_ELSE ||
+ inst->Opcode == OPCODE_ENDIF ||
+ inst->Opcode == OPCODE_ENDLOOP ||
+ inst->Opcode == OPCODE_ENDSUB) {
+ indent -= 3;
+ }
+ for (i = 0; i < indent; i++) {
+ fprintf(f, " ");
+ }
+
+ switch (inst->Opcode) {
+ case OPCODE_PRINT:
+ fprintf(f, "PRINT '%s'", (char *) inst->Data);
+ if (inst->SrcReg[0].File != PROGRAM_UNDEFINED) {
+ fprintf(f, ", ");
+ fprintf(f, "%s[%d]%s",
+ _mesa_register_file_name((gl_register_file) inst->SrcReg[0].File),
+ inst->SrcReg[0].Index,
+ _mesa_swizzle_string(inst->SrcReg[0].Swizzle,
+ inst->SrcReg[0].Negate, GL_FALSE));
+ }
+ if (inst->Comment)
+ fprintf(f, " # %s", inst->Comment);
+ fprint_comment(f, inst);
+ break;
+ case OPCODE_SWZ:
+ fprintf(f, "SWZ");
+ if (inst->SaturateMode == SATURATE_ZERO_ONE)
+ fprintf(f, "_SAT");
+ fprintf(f, " ");
+ fprint_dst_reg(f, &inst->DstReg, mode, prog);
+ fprintf(f, ", %s[%d], %s",
+ _mesa_register_file_name((gl_register_file) inst->SrcReg[0].File),
+ inst->SrcReg[0].Index,
+ _mesa_swizzle_string(inst->SrcReg[0].Swizzle,
+ inst->SrcReg[0].Negate, GL_TRUE));
+ fprint_comment(f, inst);
+ break;
+ case OPCODE_TEX:
+ case OPCODE_TXP:
+ case OPCODE_TXL:
+ case OPCODE_TXB:
+ case OPCODE_TXD:
+ fprintf(f, "%s", _mesa_opcode_string(inst->Opcode));
+ if (inst->SaturateMode == SATURATE_ZERO_ONE)
+ fprintf(f, "_SAT");
+ fprintf(f, " ");
+ fprint_dst_reg(f, &inst->DstReg, mode, prog);
+ fprintf(f, ", ");
+ fprint_src_reg(f, &inst->SrcReg[0], mode, prog);
+ if (inst->Opcode == OPCODE_TXD) {
+ fprintf(f, ", ");
+ fprint_src_reg(f, &inst->SrcReg[1], mode, prog);
+ fprintf(f, ", ");
+ fprint_src_reg(f, &inst->SrcReg[2], mode, prog);
+ }
+ fprintf(f, ", texture[%d], ", inst->TexSrcUnit);
+ switch (inst->TexSrcTarget) {
+ case TEXTURE_1D_INDEX: fprintf(f, "1D"); break;
+ case TEXTURE_2D_INDEX: fprintf(f, "2D"); break;
+ case TEXTURE_3D_INDEX: fprintf(f, "3D"); break;
+ case TEXTURE_CUBE_INDEX: fprintf(f, "CUBE"); break;
+ case TEXTURE_RECT_INDEX: fprintf(f, "RECT"); break;
+ case TEXTURE_1D_ARRAY_INDEX: fprintf(f, "1D_ARRAY"); break;
+ case TEXTURE_2D_ARRAY_INDEX: fprintf(f, "2D_ARRAY"); break;
+ default:
+ ;
+ }
+ if (inst->TexShadow)
+ fprintf(f, " SHADOW");
+ fprint_comment(f, inst);
+ break;
+
+ case OPCODE_KIL:
+ fprintf(f, "%s", _mesa_opcode_string(inst->Opcode));
+ fprintf(f, " ");
+ fprint_src_reg(f, &inst->SrcReg[0], mode, prog);
+ fprint_comment(f, inst);
+ break;
+ case OPCODE_KIL_NV:
+ fprintf(f, "%s", _mesa_opcode_string(inst->Opcode));
+ fprintf(f, " ");
+ fprintf(f, "%s.%s",
+ _mesa_condcode_string(inst->DstReg.CondMask),
+ _mesa_swizzle_string(inst->DstReg.CondSwizzle,
+ GL_FALSE, GL_FALSE));
+ fprint_comment(f, inst);
+ break;
+
+ case OPCODE_ARL:
+ fprintf(f, "ARL ");
+ fprint_dst_reg(f, &inst->DstReg, mode, prog);
+ fprintf(f, ", ");
+ fprint_src_reg(f, &inst->SrcReg[0], mode, prog);
+ fprint_comment(f, inst);
+ break;
+ case OPCODE_BRA:
+ fprintf(f, "BRA %d (%s%s)",
+ inst->BranchTarget,
+ _mesa_condcode_string(inst->DstReg.CondMask),
+ _mesa_swizzle_string(inst->DstReg.CondSwizzle, 0, GL_FALSE));
+ fprint_comment(f, inst);
+ break;
+ case OPCODE_IF:
+ if (inst->SrcReg[0].File != PROGRAM_UNDEFINED) {
+ /* Use ordinary register */
+ fprintf(f, "IF ");
+ fprint_src_reg(f, &inst->SrcReg[0], mode, prog);
+ fprintf(f, "; ");
+ }
+ else {
+ /* Use cond codes */
+ fprintf(f, "IF (%s%s);",
+ _mesa_condcode_string(inst->DstReg.CondMask),
+ _mesa_swizzle_string(inst->DstReg.CondSwizzle,
+ 0, GL_FALSE));
+ }
+ fprintf(f, " # (if false, goto %d)", inst->BranchTarget);
+ fprint_comment(f, inst);
+ return indent + 3;
+ case OPCODE_ELSE:
+ fprintf(f, "ELSE; # (goto %d)\n", inst->BranchTarget);
+ return indent + 3;
+ case OPCODE_ENDIF:
+ fprintf(f, "ENDIF;\n");
+ break;
+ case OPCODE_BGNLOOP:
+ fprintf(f, "BGNLOOP; # (end at %d)\n", inst->BranchTarget);
+ return indent + 3;
+ case OPCODE_ENDLOOP:
+ fprintf(f, "ENDLOOP; # (goto %d)\n", inst->BranchTarget);
+ break;
+ case OPCODE_BRK:
+ case OPCODE_CONT:
+ fprintf(f, "%s (%s%s); # (goto %d)",
+ _mesa_opcode_string(inst->Opcode),
+ _mesa_condcode_string(inst->DstReg.CondMask),
+ _mesa_swizzle_string(inst->DstReg.CondSwizzle, 0, GL_FALSE),
+ inst->BranchTarget);
+ fprint_comment(f, inst);
+ break;
+
+ case OPCODE_BGNSUB:
+ if (mode == PROG_PRINT_NV) {
+ fprintf(f, "%s:\n", inst->Comment); /* comment is label */
+ return indent;
+ }
+ else {
+ fprintf(f, "BGNSUB");
+ fprint_comment(f, inst);
+ return indent + 3;
+ }
+ case OPCODE_ENDSUB:
+ if (mode == PROG_PRINT_DEBUG) {
+ fprintf(f, "ENDSUB");
+ fprint_comment(f, inst);
+ }
+ break;
+ case OPCODE_CAL:
+ if (mode == PROG_PRINT_NV) {
+ fprintf(f, "CAL %s; # (goto %d)\n", inst->Comment, inst->BranchTarget);
+ }
+ else {
+ fprintf(f, "CAL %u", inst->BranchTarget);
+ fprint_comment(f, inst);
+ }
+ break;
+ case OPCODE_RET:
+ fprintf(f, "RET (%s%s)",
+ _mesa_condcode_string(inst->DstReg.CondMask),
+ _mesa_swizzle_string(inst->DstReg.CondSwizzle, 0, GL_FALSE));
+ fprint_comment(f, inst);
+ break;
+
+ case OPCODE_END:
+ fprintf(f, "END\n");
+ break;
+ case OPCODE_NOP:
+ if (mode == PROG_PRINT_DEBUG) {
+ fprintf(f, "NOP");
+ fprint_comment(f, inst);
+ }
+ else if (inst->Comment) {
+ /* ARB/NV extensions don't have NOP instruction */
+ fprintf(f, "# %s\n", inst->Comment);
+ }
+ break;
+ case OPCODE_EMIT_VERTEX:
+ fprintf(f, "EMIT_VERTEX\n");
+ break;
+ case OPCODE_END_PRIMITIVE:
+ fprintf(f, "END_PRIMITIVE\n");
+ break;
+ /* XXX may need other special-case instructions */
+ default:
+ if (inst->Opcode < MAX_OPCODE) {
+ /* typical alu instruction */
+ _mesa_fprint_alu_instruction(f, inst,
+ _mesa_opcode_string(inst->Opcode),
+ _mesa_num_inst_src_regs(inst->Opcode),
+ mode, prog);
+ }
+ else {
+ _mesa_fprint_alu_instruction(f, inst,
+ _mesa_opcode_string(inst->Opcode),
+ 3/*_mesa_num_inst_src_regs(inst->Opcode)*/,
+ mode, prog);
+ }
+ break;
+ }
+ return indent;
+}
+
+
+GLint
+_mesa_print_instruction_opt(const struct prog_instruction *inst,
+ GLint indent,
+ gl_prog_print_mode mode,
+ const struct gl_program *prog)
+{
+ return _mesa_fprint_instruction_opt(stderr, inst, indent, mode, prog);
+}
+
+
+void
+_mesa_print_instruction(const struct prog_instruction *inst)
+{
+ /* note: 4th param should be ignored for PROG_PRINT_DEBUG */
+ _mesa_fprint_instruction_opt(stderr, inst, 0, PROG_PRINT_DEBUG, NULL);
+}
+
+
+
+/**
+ * Print program, with options.
+ */
+void
+_mesa_fprint_program_opt(FILE *f,
+ const struct gl_program *prog,
+ gl_prog_print_mode mode,
+ GLboolean lineNumbers)
+{
+ GLuint i, indent = 0;
+
+ switch (prog->Target) {
+ case GL_VERTEX_PROGRAM_ARB:
+ if (mode == PROG_PRINT_ARB)
+ fprintf(f, "!!ARBvp1.0\n");
+ else if (mode == PROG_PRINT_NV)
+ fprintf(f, "!!VP1.0\n");
+ else
+ fprintf(f, "# Vertex Program/Shader %u\n", prog->Id);
+ break;
+ case GL_FRAGMENT_PROGRAM_ARB:
+ case GL_FRAGMENT_PROGRAM_NV:
+ if (mode == PROG_PRINT_ARB)
+ fprintf(f, "!!ARBfp1.0\n");
+ else if (mode == PROG_PRINT_NV)
+ fprintf(f, "!!FP1.0\n");
+ else
+ fprintf(f, "# Fragment Program/Shader %u\n", prog->Id);
+ break;
+ case MESA_GEOMETRY_PROGRAM:
+ fprintf(f, "# Geometry Shader\n");
+ }
+
+ for (i = 0; i < prog->NumInstructions; i++) {
+ if (lineNumbers)
+ fprintf(f, "%3d: ", i);
+ indent = _mesa_fprint_instruction_opt(f, prog->Instructions + i,
+ indent, mode, prog);
+ }
+}
+
+
+/**
+ * Print program to stderr, default options.
+ */
+void
+_mesa_print_program(const struct gl_program *prog)
+{
+ _mesa_fprint_program_opt(stderr, prog, PROG_PRINT_DEBUG, GL_TRUE);
+}
+
+
+/**
+ * Return binary representation of 64-bit value (as a string).
+ * Insert a comma to separate each group of 8 bits.
+ * Note we return a pointer to local static storage so this is not
+ * re-entrant, etc.
+ * XXX move to imports.[ch] if useful elsewhere.
+ */
+static const char *
+binary(GLbitfield64 val)
+{
+ static char buf[80];
+ GLint i, len = 0;
+ for (i = 63; i >= 0; --i) {
+ if (val & (BITFIELD64_BIT(i)))
+ buf[len++] = '1';
+ else if (len > 0 || i == 0)
+ buf[len++] = '0';
+ if (len > 0 && ((i-1) % 8) == 7)
+ buf[len++] = ',';
+ }
+ buf[len] = '\0';
+ return buf;
+}
+
+
+/**
+ * Print all of a program's parameters/fields to given file.
+ */
+static void
+_mesa_fprint_program_parameters(FILE *f,
+ struct gl_context *ctx,
+ const struct gl_program *prog)
+{
+ GLuint i;
+
+ fprintf(f, "InputsRead: 0x%x (0b%s)\n",
+ prog->InputsRead, binary(prog->InputsRead));
+ fprintf(f, "OutputsWritten: 0x%llx (0b%s)\n",
+ (unsigned long long)prog->OutputsWritten,
+ binary(prog->OutputsWritten));
+ fprintf(f, "NumInstructions=%d\n", prog->NumInstructions);
+ fprintf(f, "NumTemporaries=%d\n", prog->NumTemporaries);
+ fprintf(f, "NumParameters=%d\n", prog->NumParameters);
+ fprintf(f, "NumAttributes=%d\n", prog->NumAttributes);
+ fprintf(f, "NumAddressRegs=%d\n", prog->NumAddressRegs);
+ fprintf(f, "IndirectRegisterFiles: 0x%x (0b%s)\n",
+ prog->IndirectRegisterFiles, binary(prog->IndirectRegisterFiles));
+ fprintf(f, "SamplersUsed: 0x%x (0b%s)\n",
+ prog->SamplersUsed, binary(prog->SamplersUsed));
+ fprintf(f, "Samplers=[ ");
+ for (i = 0; i < MAX_SAMPLERS; i++) {
+ fprintf(f, "%d ", prog->SamplerUnits[i]);
+ }
+ fprintf(f, "]\n");
+
+ _mesa_load_state_parameters(ctx, prog->Parameters);
+
+#if 0
+ fprintf(f, "Local Params:\n");
+ for (i = 0; i < MAX_PROGRAM_LOCAL_PARAMS; i++){
+ const GLfloat *p = prog->LocalParams[i];
+ fprintf(f, "%2d: %f, %f, %f, %f\n", i, p[0], p[1], p[2], p[3]);
+ }
+#endif
+ _mesa_print_parameter_list(prog->Parameters);
+}
+
+
+/**
+ * Print all of a program's parameters/fields to stderr.
+ */
+void
+_mesa_print_program_parameters(struct gl_context *ctx, const struct gl_program *prog)
+{
+ _mesa_fprint_program_parameters(stderr, ctx, prog);
+}
+
+
+/**
+ * Print a program parameter list to given file.
+ */
+static void
+_mesa_fprint_parameter_list(FILE *f,
+ const struct gl_program_parameter_list *list)
+{
+ GLuint i;
+
+ if (!list)
+ return;
+
+ if (0)
+ fprintf(f, "param list %p\n", (void *) list);
+ fprintf(f, "dirty state flags: 0x%x\n", list->StateFlags);
+ for (i = 0; i < list->NumParameters; i++){
+ struct gl_program_parameter *param = list->Parameters + i;
+ const GLfloat *v = list->ParameterValues[i];
+ fprintf(f, "param[%d] sz=%d %s %s = {%.3g, %.3g, %.3g, %.3g}",
+ i, param->Size,
+ _mesa_register_file_name(list->Parameters[i].Type),
+ param->Name, v[0], v[1], v[2], v[3]);
+ if (param->Flags & PROG_PARAM_BIT_CENTROID)
+ fprintf(f, " Centroid");
+ if (param->Flags & PROG_PARAM_BIT_INVARIANT)
+ fprintf(f, " Invariant");
+ if (param->Flags & PROG_PARAM_BIT_FLAT)
+ fprintf(f, " Flat");
+ if (param->Flags & PROG_PARAM_BIT_LINEAR)
+ fprintf(f, " Linear");
+ fprintf(f, "\n");
+ }
+}
+
+
+/**
+ * Print a program parameter list to stderr.
+ */
+void
+_mesa_print_parameter_list(const struct gl_program_parameter_list *list)
+{
+ _mesa_fprint_parameter_list(stderr, list);
+}
+
+
+/**
+ * Write shader and associated info to a file.
+ */
+void
+_mesa_write_shader_to_file(const struct gl_shader *shader)
+{
+ const char *type;
+ char filename[100];
+ FILE *f;
+
+ if (shader->Type == GL_FRAGMENT_SHADER)
+ type = "frag";
+ else if (shader->Type == GL_VERTEX_SHADER)
+ type = "vert";
+ else
+ type = "geom";
+
+ _mesa_snprintf(filename, sizeof(filename), "shader_%u.%s", shader->Name, type);
+ f = fopen(filename, "w");
+ if (!f) {
+ fprintf(stderr, "Unable to open %s for writing\n", filename);
+ return;
+ }
+
+ fprintf(f, "/* Shader %u source, checksum %u */\n", shader->Name, shader->SourceChecksum);
+ fputs(shader->Source, f);
+ fprintf(f, "\n");
+
+ fprintf(f, "/* Compile status: %s */\n",
+ shader->CompileStatus ? "ok" : "fail");
+ fprintf(f, "/* Log Info: */\n");
+ if (shader->InfoLog) {
+ fputs(shader->InfoLog, f);
+ }
+ if (shader->CompileStatus && shader->Program) {
+ fprintf(f, "/* GPU code */\n");
+ fprintf(f, "/*\n");
+ _mesa_fprint_program_opt(f, shader->Program, PROG_PRINT_DEBUG, GL_TRUE);
+ fprintf(f, "*/\n");
+ fprintf(f, "/* Parameters / constants */\n");
+ fprintf(f, "/*\n");
+ _mesa_fprint_parameter_list(f, shader->Program->Parameters);
+ fprintf(f, "*/\n");
+ }
+
+ fclose(f);
+}
+
+
+/**
+ * Append the shader's uniform info/values to the shader log file.
+ * The log file will typically have been created by the
+ * _mesa_write_shader_to_file function.
+ */
+void
+_mesa_append_uniforms_to_file(const struct gl_shader *shader,
+ const struct gl_program *prog)
+{
+ const char *type;
+ char filename[100];
+ FILE *f;
+
+ if (shader->Type == GL_FRAGMENT_SHADER)
+ type = "frag";
+ else
+ type = "vert";
+
+ _mesa_snprintf(filename, sizeof(filename), "shader_%u.%s", shader->Name, type);
+ f = fopen(filename, "a"); /* append */
+ if (!f) {
+ fprintf(stderr, "Unable to open %s for appending\n", filename);
+ return;
+ }
+
+ fprintf(f, "/* First-draw parameters / constants */\n");
+ fprintf(f, "/*\n");
+ _mesa_fprint_parameter_list(f, prog->Parameters);
+ fprintf(f, "*/\n");
+
+ fclose(f);
+}