prog_print.c

Mesa is an open-source implementation of the OpenGL specification - a system for rendering interacti

   _mesa_printf("%s%s",
                reg_string((enum register_file) dstReg->File,
                           dstReg->Index, mode, GL_FALSE, prog),
                writemask_string(dstReg->WriteMask));

   if (dstReg->CondMask != COND_TR) {
      _mesa_printf(" (%s.%s)",
                   _mesa_condcode_string(dstReg->CondMask),
                   _mesa_swizzle_string(dstReg->CondSwizzle, GL_FALSE, GL_FALSE));
   }

#if 0
   _mesa_printf("%s[%d]%s",
                file_string((enum register_file) dstReg->File, mode),
                dstReg->Index,
                writemask_string(dstReg->WriteMask));
#endif
}

static void
print_src_reg(const struct prog_src_register *srcReg, gl_prog_print_mode mode,
              const struct gl_program *prog)
{
   _mesa_printf("%s%s",
                reg_string((enum register_file) srcReg->File,
                           srcReg->Index, mode, srcReg->RelAddr, prog),
                _mesa_swizzle_string(srcReg->Swizzle,
                                     srcReg->NegateBase, GL_FALSE));
#if 0
   _mesa_printf("%s[%d]%s",
                file_string((enum register_file) srcReg->File, mode),
                srcReg->Index,
                _mesa_swizzle_string(srcReg->Swizzle,
                               srcReg->NegateBase, GL_FALSE));
#endif
}

static void
print_comment(const struct prog_instruction *inst)
{
   if (inst->Comment)
      _mesa_printf(";  # %s\n", inst->Comment);
   else
      _mesa_printf(";\n");
}


static void
print_alu_instruction(const struct prog_instruction *inst,
                      const char *opcode_string, GLuint numRegs,
                      gl_prog_print_mode mode,
                      const struct gl_program *prog)
{
   GLuint j;

   _mesa_printf("%s", opcode_string);
   if (inst->CondUpdate)
      _mesa_printf(".C");

   /* frag prog only */
   if (inst->SaturateMode == SATURATE_ZERO_ONE)
      _mesa_printf("_SAT");

   _mesa_printf(" ");
   if (inst->DstReg.File != PROGRAM_UNDEFINED) {
      print_dst_reg(&inst->DstReg, mode, prog);
   }
   else {
      _mesa_printf(" ???");
   }

   if (numRegs > 0)
      _mesa_printf(", ");

   for (j = 0; j < numRegs; j++) {
      print_src_reg(inst->SrcReg + j, mode, prog);
      if (j + 1 < numRegs)
	 _mesa_printf(", ");
   }

   print_comment(inst);
}


void
_mesa_print_alu_instruction(const struct prog_instruction *inst,
                            const char *opcode_string, GLuint numRegs)
{
   print_alu_instruction(inst, opcode_string, numRegs, PROG_PRINT_DEBUG, NULL);
}


void
_mesa_print_instruction(const struct prog_instruction *inst)
{
   /* note: 4th param should be ignored for PROG_PRINT_DEBUG */
   _mesa_print_instruction_opt(inst, 0, PROG_PRINT_DEBUG, NULL);
}


/**
 * Print a single vertex/fragment program instruction.
 */
GLint
_mesa_print_instruction_opt(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++) {
      _mesa_printf(" ");
   }

   switch (inst->Opcode) {
   case OPCODE_PRINT:
      _mesa_printf("PRINT '%s'", inst->Data);
      if (inst->SrcReg[0].File != PROGRAM_UNDEFINED) {
         _mesa_printf(", ");
         _mesa_printf("%s[%d]%s",
                      file_string((enum register_file) inst->SrcReg[0].File,
                                  mode),
                      inst->SrcReg[0].Index,
                      _mesa_swizzle_string(inst->SrcReg[0].Swizzle,
                                           inst->SrcReg[0].NegateBase, GL_FALSE));
      }
      if (inst->Comment)
         _mesa_printf("  # %s", inst->Comment);
      print_comment(inst);
      break;
   case OPCODE_SWZ:
      _mesa_printf("SWZ");
      if (inst->SaturateMode == SATURATE_ZERO_ONE)
         _mesa_printf("_SAT");
      _mesa_printf(" ");
      print_dst_reg(&inst->DstReg, mode, prog);
      _mesa_printf(", %s[%d], %s",
                   file_string((enum register_file) inst->SrcReg[0].File,
                               mode),
                   inst->SrcReg[0].Index,
                   _mesa_swizzle_string(inst->SrcReg[0].Swizzle,
                                        inst->SrcReg[0].NegateBase, GL_TRUE));
      print_comment(inst);
      break;
   case OPCODE_TEX:
   case OPCODE_TXP:
   case OPCODE_TXL:
   case OPCODE_TXB:
      _mesa_printf("%s", _mesa_opcode_string(inst->Opcode));
      if (inst->SaturateMode == SATURATE_ZERO_ONE)
         _mesa_printf("_SAT");
      _mesa_printf(" ");
      print_dst_reg(&inst->DstReg, mode, prog);
      _mesa_printf(", ");
      print_src_reg(&inst->SrcReg[0], mode, prog);
      _mesa_printf(", texture[%d], ", inst->TexSrcUnit);
      switch (inst->TexSrcTarget) {
      case TEXTURE_1D_INDEX:   _mesa_printf("1D");    break;
      case TEXTURE_2D_INDEX:   _mesa_printf("2D");    break;
      case TEXTURE_3D_INDEX:   _mesa_printf("3D");    break;
      case TEXTURE_CUBE_INDEX: _mesa_printf("CUBE");  break;
      case TEXTURE_RECT_INDEX: _mesa_printf("RECT");  break;
      default:
         ;
      }
      print_comment(inst);
      break;

   case OPCODE_KIL:
      _mesa_printf("%s", _mesa_opcode_string(inst->Opcode));
      _mesa_printf(" ");
      print_src_reg(&inst->SrcReg[0], mode, prog);
      print_comment(inst);
      break;
   case OPCODE_KIL_NV:
      _mesa_printf("%s", _mesa_opcode_string(inst->Opcode));
      _mesa_printf(" ");
      _mesa_printf("%s.%s",
                   _mesa_condcode_string(inst->DstReg.CondMask),
                   _mesa_swizzle_string(inst->DstReg.CondSwizzle,
                                        GL_FALSE, GL_FALSE));
      print_comment(inst);
      break;

   case OPCODE_ARL:
      _mesa_printf("ARL ");
      print_dst_reg(&inst->DstReg, mode, prog);
      _mesa_printf(", ");
      print_src_reg(&inst->SrcReg[0], mode, prog);
      print_comment(inst);
      break;
   case OPCODE_BRA:
      _mesa_printf("BRA %d (%s%s)",
                   inst->BranchTarget,
                   _mesa_condcode_string(inst->DstReg.CondMask),
                   _mesa_swizzle_string(inst->DstReg.CondSwizzle, 0, GL_FALSE));
      print_comment(inst);
      break;
   case OPCODE_IF:
      if (inst->SrcReg[0].File != PROGRAM_UNDEFINED) {
         /* Use ordinary register */
         _mesa_printf("IF ");
         print_src_reg(&inst->SrcReg[0], mode, prog);
         _mesa_printf("; ");
      }
      else {
         /* Use cond codes */
         _mesa_printf("IF (%s%s);",
                      _mesa_condcode_string(inst->DstReg.CondMask),
                      _mesa_swizzle_string(inst->DstReg.CondSwizzle,
                                           0, GL_FALSE));
      }
      _mesa_printf(" # (if false, goto %d)", inst->BranchTarget);
      print_comment(inst);
      return indent + 3;
   case OPCODE_ELSE:
      _mesa_printf("ELSE; # (goto %d)\n", inst->BranchTarget);
      return indent + 3;
   case OPCODE_ENDIF:
      _mesa_printf("ENDIF;\n");
      break;
   case OPCODE_BGNLOOP:
      _mesa_printf("BGNLOOP; # (end at %d)\n", inst->BranchTarget);
      return indent + 3;
   case OPCODE_ENDLOOP:
      _mesa_printf("ENDLOOP; # (goto %d)\n", inst->BranchTarget);
      break;
   case OPCODE_BRK:
   case OPCODE_CONT:
      _mesa_printf("%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);
      print_comment(inst);
      break;

   case OPCODE_BGNSUB:
      if (mode == PROG_PRINT_NV) {
         _mesa_printf("%s:\n", inst->Comment); /* comment is label */
         return indent;
      }
      else {
         _mesa_printf("BGNSUB");
         print_comment(inst);
         return indent + 3;
      }
   case OPCODE_ENDSUB:
      if (mode == PROG_PRINT_DEBUG) {
         _mesa_printf("ENDSUB");
         print_comment(inst);
      }
      break;
   case OPCODE_CAL:
      if (mode == PROG_PRINT_NV) {
         _mesa_printf("CAL %s;  # (goto %d)\n", inst->Comment, inst->BranchTarget);
      }
      else {
         _mesa_printf("CAL %u", inst->BranchTarget);
         print_comment(inst);
      }
      break;
   case OPCODE_RET:
      _mesa_printf("RET (%s%s)",
                   _mesa_condcode_string(inst->DstReg.CondMask),
                   _mesa_swizzle_string(inst->DstReg.CondSwizzle, 0, GL_FALSE));
      print_comment(inst);
      break;

   case OPCODE_END:
      _mesa_printf("END\n");
      break;
   case OPCODE_NOP:
      if (mode == PROG_PRINT_DEBUG) {
         _mesa_printf("NOP");
         print_comment(inst);
      }
      else if (inst->Comment) {
         /* ARB/NV extensions don't have NOP instruction */
         _mesa_printf("# %s\n", inst->Comment);
      }
      break;
   /* XXX may need other special-case instructions */
   default:
      /* typical alu instruction */
      print_alu_instruction(inst,
                            _mesa_opcode_string(inst->Opcode),
                            _mesa_num_inst_src_regs(inst->Opcode),
                            mode, prog);
      break;
   }
   return indent;
}


/**
 * Print program to stdout, default options.
 */
void
_mesa_print_program(const struct gl_program *prog)
{
   _mesa_print_program_opt(prog, PROG_PRINT_DEBUG, GL_TRUE);
}


/**
 * Print program, with options.
 */
void
_mesa_print_program_opt(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)
         _mesa_printf("!!ARBvp1.0\n");
      else if (mode == PROG_PRINT_NV)
         _mesa_printf("!!VP1.0\n");
      else
         _mesa_printf("# Vertex Program/Shader\n");
      break;
   case GL_FRAGMENT_PROGRAM_ARB:
   case GL_FRAGMENT_PROGRAM_NV:
      if (mode == PROG_PRINT_ARB)
         _mesa_printf("!!ARBfp1.0\n");
      else if (mode == PROG_PRINT_NV)
         _mesa_printf("!!FP1.0\n");
      else
         _mesa_printf("# Fragment Program/Shader\n");
      break;
   }

   for (i = 0; i < prog->NumInstructions; i++) {
      if (lineNumbers)
         _mesa_printf("%3d: ", i);
      indent = _mesa_print_instruction_opt(prog->Instructions + i,
                                           indent, mode, prog);
   }
}


/**
 * Print all of a program's parameters.
 */
void
_mesa_print_program_parameters(GLcontext *ctx, const struct gl_program *prog)
{
   GLuint i;

   _mesa_printf("InputsRead: 0x%x\n", prog->InputsRead);
   _mesa_printf("OutputsWritten: 0x%x\n", prog->OutputsWritten);
   _mesa_printf("NumInstructions=%d\n", prog->NumInstructions);
   _mesa_printf("NumTemporaries=%d\n", prog->NumTemporaries);
   _mesa_printf("NumParameters=%d\n", prog->NumParameters);
   _mesa_printf("NumAttributes=%d\n", prog->NumAttributes);
   _mesa_printf("NumAddressRegs=%d\n", prog->NumAddressRegs);
   _mesa_printf("Samplers=[ ");
   for (i = 0; i < MAX_SAMPLERS; i++) {
      _mesa_printf("%d ", prog->SamplerUnits[i]);
   }
   _mesa_printf("]\n");

   _mesa_load_state_parameters(ctx, prog->Parameters);

#if 0
   _mesa_printf("Local Params:\n");
   for (i = 0; i < MAX_PROGRAM_LOCAL_PARAMS; i++){
      const GLfloat *p = prog->LocalParams[i];
      _mesa_printf("%2d: %f, %f, %f, %f\n", i, p[0], p[1], p[2], p[3]);
   }
#endif	
   _mesa_print_parameter_list(prog->Parameters);
}


void
_mesa_print_parameter_list(const struct gl_program_parameter_list *list)
{
   const gl_prog_print_mode mode = PROG_PRINT_DEBUG;
   GLuint i;

   if (!list)
      return;

   _mesa_printf("param list %p\n", (void *) list);
   for (i = 0; i < list->NumParameters; i++){
      struct gl_program_parameter *param = list->Parameters + i;
      const GLfloat *v = list->ParameterValues[i];
      _mesa_printf("param[%d] sz=%d %s %s = {%.3g, %.3g, %.3g, %.3g};\n",
                   i, param->Size,
                   file_string(list->Parameters[i].Type, mode),
                   param->Name, v[0], v[1], v[2], v[3]);
   }
}