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C++ RETURN_ERROR1函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中RETURN_ERROR1函数的典型用法代码示例。如果您正苦于以下问题：C++ RETURN_ERROR1函数的具体用法？C++ RETURN_ERROR1怎么用？C++ RETURN_ERROR1使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了RETURN_ERROR1函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: Parse_ScalarConstant

/**
 * Parse a floating point constant, or a defined symbol name.
 * [+/-]N[.N[eN]]
 * Output:  number[0 .. 3] will get the value.
 */
static GLboolean
Parse_ScalarConstant(struct parse_state *parseState, GLfloat *number)
{
   char *end = NULL;

   *number = (GLfloat) _mesa_strtof((const char *) parseState->pos, &end);

   if (end && end > (char *) parseState->pos) {
      /* got a number */
      parseState->pos = (GLubyte *) end;
      number[1] = *number;
      number[2] = *number;
      number[3] = *number;
      return GL_TRUE;
   }
   else {
      /* should be an identifier */
      GLubyte ident[100];
      const GLfloat *constant;
      if (!Parse_Identifier(parseState, ident))
         RETURN_ERROR1("Expected an identifier");
      constant = _mesa_lookup_parameter_value(parseState->parameters,
                                              -1, (const char *) ident);
      /* XXX Check that it's a constant and not a parameter */
      if (!constant) {
         RETURN_ERROR1("Undefined symbol");
      }
      else {
         COPY_4V(number, constant);
         return GL_TRUE;
      }
   }
}
开发者ID:GunioRobot，项目名称:mesa-7.10.2-PS3，代码行数:38，代码来源:nvfragparse.c


示例2: Parse_ProgramParamReg

/**
 * Parse a program local parameter register "p[##]"
 */
static GLboolean
Parse_ProgramParamReg(struct parse_state *parseState, GLint *regNum)
{
   GLubyte token[100];

   if (!Parse_String(parseState, "p["))
      RETURN_ERROR1("Expected p[");

   if (!Parse_Token(parseState, token))
      RETURN_ERROR;

   if (IsDigit(token[0])) {
      /* a numbered program parameter register */
      GLint reg = atoi((const char *) token);
      if (reg >= MAX_NV_FRAGMENT_PROGRAM_PARAMS)
         RETURN_ERROR1("Invalid constant program number");
      *regNum = reg;
   }
   else {
      RETURN_ERROR;
   }

   if (!Parse_String(parseState, "]"))
      RETURN_ERROR1("Expected ]");

   return GL_TRUE;
}
开发者ID:GunioRobot，项目名称:mesa-7.10.2-PS3，代码行数:30，代码来源:nvfragparse.c


示例3: Parse_FragReg

/**
 * Parse f[name]  - fragment input register
 */
static GLboolean
Parse_FragReg(struct parse_state *parseState, GLint *tempRegNum)
{
   GLubyte token[100];
   GLint j;

   /* Match 'f[' */
   if (!Parse_String(parseState, "f["))
      RETURN_ERROR1("Expected f[");

   /* get <name> and look for match */
   if (!Parse_Token(parseState, token)) {
      RETURN_ERROR;
   }
   for (j = 0; InputRegisters[j]; j++) {
      if (strcmp((const char *) token, InputRegisters[j]) == 0) {
         *tempRegNum = j;
         parseState->inputsRead |= (1 << j);
         break;
      }
   }
   if (!InputRegisters[j]) {
      /* unknown input register label */
      RETURN_ERROR2("Invalid register name", token);
   }

   /* Match '[' */
   if (!Parse_String(parseState, "]"))
      RETURN_ERROR1("Expected ]");

   return GL_TRUE;
}
开发者ID:GunioRobot，项目名称:mesa-7.10.2-PS3，代码行数:35，代码来源:nvfragparse.c


示例4: Parse_OutputReg

static GLboolean
Parse_OutputReg(struct parse_state *parseState, GLint *outputRegNum)
{
   GLubyte token[100];

   /* Match "o[" */
   if (!Parse_String(parseState, "o["))
      RETURN_ERROR1("Expected o[");

   /* Get output reg name */
   if (!Parse_Token(parseState, token))
      RETURN_ERROR;

   /* try to match an output register name */
   if (strcmp((char *) token, "COLR") == 0 ||
       strcmp((char *) token, "COLH") == 0) {
      /* note that we don't distinguish between COLR and COLH */
      *outputRegNum = FRAG_RESULT_COLOR;
      parseState->outputsWritten |= (1 << FRAG_RESULT_COLOR);
   }
   else if (strcmp((char *) token, "DEPR") == 0) {
      *outputRegNum = FRAG_RESULT_DEPTH;
      parseState->outputsWritten |= (1 << FRAG_RESULT_DEPTH);
   }
   else {
      RETURN_ERROR1("Invalid output register name");
   }

   /* Match ']' */
   if (!Parse_String(parseState, "]"))
      RETURN_ERROR1("Expected ]");

   return GL_TRUE;
}
开发者ID:GunioRobot，项目名称:mesa-7.10.2-PS3，代码行数:34，代码来源:nvfragparse.c


示例5: Parse_TempReg

/**
 * Parse a temporary register: Rnn or Hnn
 */
static GLboolean
Parse_TempReg(struct parse_state *parseState, GLint *tempRegNum)
{
   GLubyte token[100];

   /* Should be 'R##' or 'H##' */
   if (!Parse_Token(parseState, token))
      RETURN_ERROR;
   if (token[0] != 'R' && token[0] != 'H')
      RETURN_ERROR1("Expected R## or H##");

   if (IsDigit(token[1])) {
      GLint reg = atoi((const char *) (token + 1));
      if (token[0] == 'H')
         reg += 32;
      if (reg >= MAX_NV_FRAGMENT_PROGRAM_TEMPS)
         RETURN_ERROR1("Invalid temporary register name");
      *tempRegNum = reg;
   }
   else {
      RETURN_ERROR1("Invalid temporary register name");
   }

   return GL_TRUE;
}
开发者ID:GunioRobot，项目名称:mesa-7.10.2-PS3，代码行数:28，代码来源:nvfragparse.c


示例6: Parse_TextureImageId

/**
 * Parse a texture image source:
 *    [TEX0 | TEX1 | .. | TEX15] , [1D | 2D | 3D | CUBE | RECT]
 */
static GLboolean
Parse_TextureImageId(struct parse_state *parseState,
                     GLubyte *texUnit, GLubyte *texTargetBit)
{
   GLubyte imageSrc[100];
   GLint unit;

   if (!Parse_Token(parseState, imageSrc))
      RETURN_ERROR;
   
   if (imageSrc[0] != 'T' ||
       imageSrc[1] != 'E' ||
       imageSrc[2] != 'X') {
      RETURN_ERROR1("Expected TEX# source");
   }
   unit = atoi((const char *) imageSrc + 3);
   if ((unit < 0 || unit > MAX_TEXTURE_IMAGE_UNITS) ||
       (unit == 0 && (imageSrc[3] != '0' || imageSrc[4] != 0))) {
      RETURN_ERROR1("Invalied TEX# source index");
   }
   *texUnit = unit;

   if (!Parse_String(parseState, ","))
      RETURN_ERROR1("Expected ,");

   if (Parse_String(parseState, "1D")) {
      *texTargetBit = TEXTURE_1D_BIT;
   }
   else if (Parse_String(parseState, "2D")) {
      *texTargetBit = TEXTURE_2D_BIT;
   }
   else if (Parse_String(parseState, "3D")) {
      *texTargetBit = TEXTURE_3D_BIT;
   }
   else if (Parse_String(parseState, "CUBE")) {
      *texTargetBit = TEXTURE_CUBE_BIT;
   }
   else if (Parse_String(parseState, "RECT")) {
      *texTargetBit = TEXTURE_RECT_BIT;
   }
   else {
      RETURN_ERROR1("Invalid texture target token");
   }

   /* update record of referenced texture units */
   parseState->texturesUsed[*texUnit] |= *texTargetBit;
   if (_mesa_bitcount(parseState->texturesUsed[*texUnit]) > 1) {
      RETURN_ERROR1("Only one texture target can be used per texture unit.");
   }

   return GL_TRUE;
}
开发者ID:GunioRobot，项目名称:mesa-7.10.2-PS3，代码行数:56，代码来源:nvfragparse.c


示例7: Parse_BiOpInstruction

static GLboolean
Parse_BiOpInstruction(struct parse_state *parseState,
                      struct prog_instruction *inst,
                      enum prog_opcode opcode)
{
   if (opcode == OPCODE_DPH && !parseState->isVersion1_1)
      RETURN_ERROR1("DPH illegal for vertex program 1.0");
   if (opcode == OPCODE_SUB && !parseState->isVersion1_1)
      RETURN_ERROR1("SUB illegal for vertex program 1.0");

   inst->Opcode = opcode;
   inst->StringPos = parseState->curLine - parseState->start;

   /* dest reg */
   if (!Parse_MaskedDstReg(parseState, &inst->DstReg))
      RETURN_ERROR;

   /* comma */
   if (!Parse_String(parseState, ","))
      RETURN_ERROR;

   /* first src arg */
   if (!Parse_SwizzleSrcReg(parseState, &inst->SrcReg[0]))
      RETURN_ERROR;

   /* comma */
   if (!Parse_String(parseState, ","))
      RETURN_ERROR;

   /* second src arg */
   if (!Parse_SwizzleSrcReg(parseState, &inst->SrcReg[1]))
      RETURN_ERROR;

   /* semicolon */
   if (!Parse_String(parseState, ";"))
      RETURN_ERROR;

   /* make sure we don't reference more than one program parameter register */
   if (inst->SrcReg[0].File == PROGRAM_ENV_PARAM &&
       inst->SrcReg[1].File == PROGRAM_ENV_PARAM &&
       inst->SrcReg[0].Index != inst->SrcReg[1].Index)
      RETURN_ERROR1("Can't reference two program parameter registers");

   /* make sure we don't reference more than one vertex attribute register */
   if (inst->SrcReg[0].File == PROGRAM_INPUT &&
       inst->SrcReg[1].File == PROGRAM_INPUT &&
       inst->SrcReg[0].Index != inst->SrcReg[1].Index)
      RETURN_ERROR1("Can't reference two vertex attribute registers");

   return GL_TRUE;
}
开发者ID:Multi2Sim，项目名称:m2s-bench-parsec-3.0-src，代码行数:51，代码来源:nvvertparse.c


示例8: Parse_UnaryOpInstruction

static GLint
Parse_UnaryOpInstruction(struct parse_state *parseState,
                         struct prog_instruction *inst,
                         enum prog_opcode opcode)
{
   if (opcode == OPCODE_ABS && !parseState->isVersion1_1)
      RETURN_ERROR1("ABS illegal for vertex program 1.0");

   inst->Opcode = opcode;
   inst->StringPos = parseState->curLine - parseState->start;

   /* dest reg */
   if (!Parse_MaskedDstReg(parseState, &inst->DstReg))
      RETURN_ERROR;

   /* comma */
   if (!Parse_String(parseState, ","))
      RETURN_ERROR;

   /* src arg */
   if (!Parse_SwizzleSrcReg(parseState, &inst->SrcReg[0]))
      RETURN_ERROR;

   /* semicolon */
   if (!Parse_String(parseState, ";"))
      RETURN_ERROR;

   return GL_TRUE;
}
开发者ID:Multi2Sim，项目名称:m2s-bench-parsec-3.0-src，代码行数:29，代码来源:nvvertparse.c


示例9: Parse_ScalarInstruction

static GLboolean
Parse_ScalarInstruction(struct parse_state *parseState,
                        struct vp_instruction *inst, enum vp_opcode opcode)
{
   if (opcode == VP_OPCODE_RCC && !parseState->isVersion1_1)
      RETURN_ERROR1("RCC illegal for vertex program 1.0");

   inst->Opcode = opcode;
   inst->StringPos = parseState->curLine - parseState->start;

   /* dest reg */
   if (!Parse_MaskedDstReg(parseState, &inst->DstReg))
      RETURN_ERROR;

   /* comma */
   if (!Parse_String(parseState, ","))
      RETURN_ERROR;

   /* first src arg */
   if (!Parse_ScalarSrcReg(parseState, &inst->SrcReg[0]))
      RETURN_ERROR;

   /* semicolon */
   if (!Parse_String(parseState, ";"))
      RETURN_ERROR;

   return GL_TRUE;
}
开发者ID:BackupTheBerlios，项目名称:dri-ex-svn，代码行数:28，代码来源:nvvertparse.c


示例10: Parse_AbsParamReg

/**
 * Parse absolute program parameter register "c[##]"
 */
static GLboolean
Parse_AbsParamReg(struct parse_state *parseState, GLint *regNum)
{
   GLubyte token[100];

   if (!Parse_String(parseState, "c"))
      RETURN_ERROR;

   if (!Parse_String(parseState, "["))
      RETURN_ERROR;

   if (!Parse_Token(parseState, token))
      RETURN_ERROR;

   if (IsDigit(token[0])) {
      /* a numbered program parameter register */
      GLint reg = _mesa_atoi((char *) token);
      if (reg >= MAX_NV_VERTEX_PROGRAM_PARAMS)
         RETURN_ERROR1("Bad program parameter number");
      *regNum = reg;
   }
   else {
      RETURN_ERROR;
   }

   if (!Parse_String(parseState, "]"))
      RETURN_ERROR;

   return GL_TRUE;
}
开发者ID:BackupTheBerlios，项目名称:dri-ex-svn，代码行数:33，代码来源:nvvertparse.c


示例11: Parse_AttribReg

/**
 * Parse v[#] or v[<name>]
 */
static GLboolean
Parse_AttribReg(struct parse_state *parseState, GLint *tempRegNum)
{
   GLubyte token[100];
   GLint j;

   /* Match 'v' */
   if (!Parse_String(parseState, "v"))
      RETURN_ERROR;

   /* Match '[' */
   if (!Parse_String(parseState, "["))
      RETURN_ERROR;

   /* match number or named register */
   if (!Parse_Token(parseState, token))
      RETURN_ERROR;

   if (parseState->isStateProgram && token[0] != '0')
      RETURN_ERROR1("Only v[0] accessible in vertex state programs");

   if (IsDigit(token[0])) {
      GLint reg = _mesa_atoi((char *) token);
      if (reg >= MAX_NV_VERTEX_PROGRAM_INPUTS)
         RETURN_ERROR1("Bad vertex attribute register name");
      *tempRegNum = reg;
   }
   else {
      for (j = 0; InputRegisters[j]; j++) {
         if (_mesa_strcmp((const char *) token, InputRegisters[j]) == 0) {
            *tempRegNum = j;
            break;
         }
      }
      if (!InputRegisters[j]) {
         /* unknown input register label */
         RETURN_ERROR2("Bad register name", token);
      }
   }

   /* Match '[' */
   if (!Parse_String(parseState, "]"))
      RETURN_ERROR;

   return GL_TRUE;
}
开发者ID:BackupTheBerlios，项目名称:dri-ex-svn，代码行数:49，代码来源:nvvertparse.c


示例12: Parse_VectorConstant

/**
 * Parse a vector constant, one of:
 *   { float }
 *   { float, float }
 *   { float, float, float }
 *   { float, float, float, float }
 */
static GLboolean
Parse_VectorConstant(struct parse_state *parseState, GLfloat *vec)
{
   /* "{" was already consumed */

   ASSIGN_4V(vec, 0.0, 0.0, 0.0, 1.0);

   if (!Parse_ScalarConstant(parseState, vec+0))  /* X */
      return GL_FALSE;

   if (Parse_String(parseState, "}")) {
      return GL_TRUE;
   }

   if (!Parse_String(parseState, ","))
      RETURN_ERROR1("Expected comma in vector constant");

   if (!Parse_ScalarConstant(parseState, vec+1))  /* Y */
      return GL_FALSE;

   if (Parse_String(parseState, "}")) {
      return GL_TRUE;
   }

   if (!Parse_String(parseState, ","))
      RETURN_ERROR1("Expected comma in vector constant");

   if (!Parse_ScalarConstant(parseState, vec+2))  /* Z */
      return GL_FALSE;

   if (Parse_String(parseState, "}")) {
      return GL_TRUE;
   }

   if (!Parse_String(parseState, ","))
      RETURN_ERROR1("Expected comma in vector constant");

   if (!Parse_ScalarConstant(parseState, vec+3))  /* W */
      return GL_FALSE;

   if (!Parse_String(parseState, "}"))
      RETURN_ERROR1("Expected closing brace in vector constant");

   return GL_TRUE;
}
开发者ID:GunioRobot，项目名称:mesa-7.10.2-PS3，代码行数:52，代码来源:nvfragparse.c


示例13: Parse_Identifier

static GLboolean
Parse_Identifier(struct parse_state *parseState, GLubyte *ident)
{
   if (!Parse_Token(parseState, ident))
      RETURN_ERROR;
   if (IsLetter(ident[0]))
      return GL_TRUE;
   else
      RETURN_ERROR1("Expected an identfier");
}
开发者ID:GunioRobot，项目名称:mesa-7.10.2-PS3，代码行数:10，代码来源:nvfragparse.c


示例14: Parse_OutputReg

static GLboolean
Parse_OutputReg(struct parse_state *parseState, GLint *outputRegNum)
{
   GLubyte token[100];
   GLint start, j;

   /* Match 'o' */
   if (!Parse_String(parseState, "o"))
      RETURN_ERROR;

   /* Match '[' */
   if (!Parse_String(parseState, "["))
      RETURN_ERROR;

   /* Get output reg name */
   if (!Parse_Token(parseState, token))
      RETURN_ERROR;

   if (parseState->isPositionInvariant)
      start = 1; /* skip HPOS register name */
   else
      start = 0;

   /* try to match an output register name */
   for (j = start; OutputRegisters[j]; j++) {
      if (_mesa_strcmp((const char *) token, OutputRegisters[j]) == 0) {
         *outputRegNum = j;
         break;
      }
   }
   if (!OutputRegisters[j])
      RETURN_ERROR1("Unrecognized output register name");

   /* Match ']' */
   if (!Parse_String(parseState, "]"))
      RETURN_ERROR1("Expected ]");

   return GL_TRUE;
}
开发者ID:BackupTheBerlios，项目名称:dri-ex-svn，代码行数:39，代码来源:nvvertparse.c


示例15: Parse_CondCodeMask

static GLboolean
Parse_CondCodeMask(struct parse_state *parseState,
                   struct prog_dst_register *dstReg)
{
   if (Parse_String(parseState, "EQ"))
      dstReg->CondMask = COND_EQ;
   else if (Parse_String(parseState, "GE"))
      dstReg->CondMask = COND_GE;
   else if (Parse_String(parseState, "GT"))
      dstReg->CondMask = COND_GT;
   else if (Parse_String(parseState, "LE"))
      dstReg->CondMask = COND_LE;
   else if (Parse_String(parseState, "LT"))
      dstReg->CondMask = COND_LT;
   else if (Parse_String(parseState, "NE"))
      dstReg->CondMask = COND_NE;
   else if (Parse_String(parseState, "TR"))
      dstReg->CondMask = COND_TR;
   else if (Parse_String(parseState, "FL"))
      dstReg->CondMask = COND_FL;
   else
      RETURN_ERROR1("Invalid condition code mask");

   /* look for optional .xyzw swizzle */
   if (Parse_String(parseState, ".")) {
      GLubyte token[100];
      GLuint swz[4];

      if (!Parse_Token(parseState, token))  /* get xyzw suffix */
         RETURN_ERROR;

      if (!Parse_SwizzleSuffix(token, swz))
         RETURN_ERROR1("Invalid swizzle suffix");

      dstReg->CondSwizzle = MAKE_SWIZZLE4(swz[0], swz[1], swz[2], swz[3]);
   }

   return GL_TRUE;
}
开发者ID:GunioRobot，项目名称:mesa-7.10.2-PS3，代码行数:39，代码来源:nvfragparse.c


示例16: Parse_TempReg

/**
 * Parse a temporary register: Rnn
 */
static GLboolean
Parse_TempReg(struct parse_state *parseState, GLint *tempRegNum)
{
   GLubyte token[100];

   /* Should be 'R##' */
   if (!Parse_Token(parseState, token))
      RETURN_ERROR;
   if (token[0] != 'R')
      RETURN_ERROR1("Expected R##");

   if (IsDigit(token[1])) {
      GLint reg = _mesa_atoi((char *) (token + 1));
      if (reg >= MAX_NV_VERTEX_PROGRAM_TEMPS)
         RETURN_ERROR1("Bad temporary register name");
      *tempRegNum = reg;
   }
   else {
      RETURN_ERROR1("Bad temporary register name");
   }

   return GL_TRUE;
}
开发者ID:BackupTheBerlios，项目名称:dri-ex-svn，代码行数:26，代码来源:nvvertparse.c


示例17: Parse_PrintInstruction

static GLboolean
Parse_PrintInstruction(struct parse_state *parseState,
                       struct prog_instruction *inst)
{
   const GLubyte *str;
   GLubyte *msg;
   GLuint len;
   GLint idx;

   /* The first argument is a literal string 'just like this' */
   if (!Parse_String(parseState, "'"))
      RETURN_ERROR1("Expected '");

   str = parseState->pos;
   for (len = 0; str[len] != '\''; len++) /* find closing quote */
      ;
   parseState->pos += len + 1;
   msg = (GLubyte*) malloc(len + 1);

   memcpy(msg, str, len);
   msg[len] = 0;
   inst->Data = msg;

   if (Parse_String(parseState, ",")) {
      /* got an optional register to print */
      GLubyte token[100];
      GetToken(parseState, token);
      if (token[0] == 'o') {
         /* dst reg */
         if (!Parse_OutputReg(parseState, &idx))
            RETURN_ERROR;
	 inst->SrcReg[0].Index = idx;
         inst->SrcReg[0].File = PROGRAM_OUTPUT;
      }
      else {
         /* src reg */
         if (!Parse_VectorSrc(parseState, &inst->SrcReg[0]))
            RETURN_ERROR;
      }
   }
   else {
      inst->SrcReg[0].File = PROGRAM_UNDEFINED;
   }

   inst->SrcReg[0].Swizzle = SWIZZLE_NOOP;
   inst->SrcReg[0].Abs = GL_FALSE;
   inst->SrcReg[0].Negate = NEGATE_NONE;

   return GL_TRUE;
}
开发者ID:GunioRobot，项目名称:mesa-7.10.2-PS3，代码行数:50，代码来源:nvfragparse.c


示例18: Parse_DummyReg

/**
 * Parse a write-only dummy register: RC or HC.
 */
static GLboolean
Parse_DummyReg(struct parse_state *parseState, GLint *regNum)
{
   if (Parse_String(parseState, "RC")) {
       *regNum = 0;
   }
   else if (Parse_String(parseState, "HC")) {
       *regNum = 1;
   }
   else {
      RETURN_ERROR1("Invalid write-only register name");
   }

   return GL_TRUE;
}
开发者ID:GunioRobot，项目名称:mesa-7.10.2-PS3，代码行数:18，代码来源:nvfragparse.c


示例19: Parse_OptionSequence

static GLboolean
Parse_OptionSequence(struct parse_state *parseState,
                     struct vp_instruction program[])
{
   while (1) {
      if (!Parse_String(parseState, "OPTION"))
         return GL_TRUE;  /* ok, not an OPTION statement */
      if (Parse_String(parseState, "NV_position_invariant")) {
         parseState->isPositionInvariant = GL_TRUE;
      }
      else {
         RETURN_ERROR1("unexpected OPTION statement");
      }
      if (!Parse_String(parseState, ";"))
         return GL_FALSE;
   }
}
开发者ID:basecq，项目名称:q2dos，代码行数:17，代码来源:nvvertparse.c


示例20: Parse_TriOpInstruction

static GLboolean
Parse_TriOpInstruction(struct parse_state *parseState,
                       struct vp_instruction *inst, enum vp_opcode opcode)
{
   inst->Opcode = opcode;
   inst->StringPos = parseState->curLine - parseState->start;

   /* dest reg */
   if (!Parse_MaskedDstReg(parseState, &inst->DstReg))
      RETURN_ERROR;

   /* comma */
   if (!Parse_String(parseState, ","))
      RETURN_ERROR;

   /* first src arg */
   if (!Parse_SwizzleSrcReg(parseState, &inst->SrcReg[0]))
      RETURN_ERROR;

   /* comma */
   if (!Parse_String(parseState, ","))
      RETURN_ERROR;

   /* second src arg */
   if (!Parse_SwizzleSrcReg(parseState, &inst->SrcReg[1]))
      RETURN_ERROR;

   /* comma */
   if (!Parse_String(parseState, ","))
      RETURN_ERROR;

   /* third src arg */
   if (!Parse_SwizzleSrcReg(parseState, &inst->SrcReg[2]))
      RETURN_ERROR;

   /* semicolon */
   if (!Parse_String(parseState, ";"))
      RETURN_ERROR;

   /* make sure we don't reference more than one program parameter register */
   if ((inst->SrcReg[0].File == PROGRAM_ENV_PARAM &&
        inst->SrcReg[1].File == PROGRAM_ENV_PARAM &&
        inst->SrcReg[0].Index != inst->SrcReg[1].Index) ||
       (inst->SrcReg[0].File == PROGRAM_ENV_PARAM &&
        inst->SrcReg[2].File == PROGRAM_ENV_PARAM &&
        inst->SrcReg[0].Index != inst->SrcReg[2].Index) ||
       (inst->SrcReg[1].File == PROGRAM_ENV_PARAM &&
        inst->SrcReg[2].File == PROGRAM_ENV_PARAM &&
        inst->SrcReg[1].Index != inst->SrcReg[2].Index))
      RETURN_ERROR1("Can only reference one program register");

   /* make sure we don't reference more than one vertex attribute register */
   if ((inst->SrcReg[0].File == PROGRAM_INPUT &&
        inst->SrcReg[1].File == PROGRAM_INPUT &&
        inst->SrcReg[0].Index != inst->SrcReg[1].Index) ||
       (inst->SrcReg[0].File == PROGRAM_INPUT &&
        inst->SrcReg[2].File == PROGRAM_INPUT &&
        inst->SrcReg[0].Index != inst->SrcReg[2].Index) ||
       (inst->SrcReg[1].File == PROGRAM_INPUT &&
        inst->SrcReg[2].File == PROGRAM_INPUT &&
        inst->SrcReg[1].Index != inst->SrcReg[2].Index))
      RETURN_ERROR1("Can only reference one input register");

   return GL_TRUE;
}
开发者ID:BackupTheBerlios，项目名称:dri-ex-svn，代码行数:65，代码来源:nvvertparse.c



注：本文中的RETURN_ERROR1函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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