//============================================================
// <T>转换脚本。</T>
//
// @param pOutputScript 输出脚本
// @param pInputScript 输入脚本
// @return 处理结果
//============================================================
TResult FPoRenderShaderTransformer::Convert(MString* pOutputScript, MString* pInputScript){
Hlsl2Glsl_Initialize();
ShHandle parser = Hlsl2Glsl_ConstructCompiler(EShLangVertex);
TInt parseOk = Hlsl2Glsl_Parse(parser, pInputScript->MemoryC(), ETargetGLSL_120, ETranslateOpIntermediate);
TCharC* pInfo = Hlsl2Glsl_GetInfoLog(parser);
if(parseOk){
TInt translateOk = Hlsl2Glsl_Translate(parser, "main", ETargetGLSL_120, ETranslateOpIntermediate);
TCharC* infoLog = Hlsl2Glsl_GetInfoLog( parser );
if(translateOk){
TCharC* pGlslScript = Hlsl2Glsl_GetShader(parser);
pOutputScript->Assign(pGlslScript);
}
}
Hlsl2Glsl_DestructCompiler(parser);
Hlsl2Glsl_Shutdown();
return ESuccess;
}
static bool TestFileFailure (TestRun type,
const std::string& inputPath,
const std::string& outputPath)
{
std::string input;
if (!ReadStringFromFile (inputPath.c_str(), input))
{
printf (" failed to read input file\n");
return false;
}
ShHandle parser = Hlsl2Glsl_ConstructCompiler (kTypeLangs[type]);
const ETargetVersion version = kTargets1[type];
const char* sourceStr = input.c_str();
bool res = true;
unsigned options = 0;
if (kDumpShaderAST)
options |= ETranslateOpIntermediate;
int parseOk = Hlsl2Glsl_Parse (parser, sourceStr, version, NULL, options);
if (parseOk)
{
int translateOk = Hlsl2Glsl_Translate (parser, "main", version, options);
if (translateOk)
{
printf (" translation was expected to fail\n");
res = false;
}
}
std::string text = Hlsl2Glsl_GetInfoLog( parser );
if (!res)
{
text += "\n// compiled shader:\n";
text += Hlsl2Glsl_GetShader (parser);
}
std::string output;
if (res)
{
ReadStringFromFile (outputPath.c_str(), output);
}
if (!res || (text != output))
{
// write output
FILE* f = fopen (outputPath.c_str(), "wb");
fwrite (text.c_str(), 1, text.size(), f);
fclose (f);
printf (" does not match expected output\n");
res = false;
}
Hlsl2Glsl_DestructCompiler (parser);
return res;
}
static bool TestFile (TestRun type,
const std::string& inputPath,
const std::string& outputPath,
const char* entryPoint,
ETargetVersion version,
unsigned options,
bool doCheckGLSL)
{
assert(version != ETargetVersionCount);
std::string input;
if (!ReadStringFromFile (inputPath.c_str(), input))
{
printf (" failed to read input file\n");
return false;
}
ShHandle parser = Hlsl2Glsl_ConstructCompiler (kTypeLangs[type]);
const char* sourceStr = input.c_str();
bool res = true;
if (kDumpShaderAST)
options |= ETranslateOpIntermediate;
IncludeContext includeCtx;
includeCtx.currentFolder = inputPath.substr(0, inputPath.rfind('/'));
Hlsl2Glsl_ParseCallbacks includeCB;
includeCB.includeOpenCallback = IncludeOpenCallback;
includeCB.includeCloseCallback = NULL;
includeCB.data = &includeCtx;
int parseOk = Hlsl2Glsl_Parse (parser, sourceStr, version, &includeCB, options);
const char* infoLog = Hlsl2Glsl_GetInfoLog( parser );
if (kDumpShaderAST)
{
// write output
FILE* f = fopen ((outputPath+"-ir.txt").c_str(), "wb");
fwrite (infoLog, 1, strlen(infoLog), f);
fclose (f);
}
if (parseOk)
{
static EAttribSemantic kAttribSemantic[] = {
EAttrSemTangent,
};
static const char* kAttribString[] = {
"TANGENT",
};
Hlsl2Glsl_SetUserAttributeNames (parser, kAttribSemantic, kAttribString, 1);
int translateOk = Hlsl2Glsl_Translate (parser, entryPoint, version, options);
const char* infoLog = Hlsl2Glsl_GetInfoLog( parser );
if (translateOk)
{
std::string text = GetCompiledShaderText(parser);
for (size_t i = 0, n = text.size(); i != n; ++i)
{
char c = text[i];
if (!isascii(c))
{
printf (" contains non-ascii '%c' (0x%02X)\n", c, c);
res = false;
}
}
std::string output;
ReadStringFromFile (outputPath.c_str(), output);
if (text != output)
{
// write output
FILE* f = fopen (outputPath.c_str(), "wb");
fwrite (text.c_str(), 1, text.size(), f);
fclose (f);
printf (" does not match expected output\n");
res = false;
}
if (doCheckGLSL && !CheckGLSL (kIsVertexShader[type], version, text))
{
res = false;
}
}
else
{
printf (" translate error: %s\n", infoLog);
res = false;
}
}
else
{
printf (" parse error: %s\n", infoLog);
res = false;
}
Hlsl2Glsl_DestructCompiler (parser);
return res;
}
static bool TestFile (bool vertex,
const std::string& inputPath,
const std::string& outputPath,
bool usePrecision,
bool doCheckGLSL)
{
std::string input;
if (!ReadStringFromFile (inputPath.c_str(), input))
{
printf (" failed to read input file\n");
return false;
}
ShHandle parser = Hlsl2Glsl_ConstructCompiler (vertex ? EShLangVertex : EShLangFragment);
const char* sourceStr = input.c_str();
bool res = true;
int options = 0;
if (kDumpShaderAST)
options |= ETranslateOpIntermediate;
if (usePrecision)
options |= ETranslateOpUsePrecision;
int parseOk = Hlsl2Glsl_Parse (parser, sourceStr, options);
const char* infoLog = Hlsl2Glsl_GetInfoLog( parser );
if (kDumpShaderAST)
{
// write output
FILE* f = fopen ((outputPath+"-ir.txt").c_str(), "wb");
fwrite (infoLog, 1, strlen(infoLog), f);
fclose (f);
}
if (parseOk)
{
static EAttribSemantic kAttribSemantic[] = {
EAttrSemTangent,
};
static const char* kAttribString[] = {
"TANGENT",
};
Hlsl2Glsl_SetUserAttributeNames (parser, kAttribSemantic, kAttribString, 1);
Hlsl2Glsl_UseUserVaryings (parser, true);
int translateOk = Hlsl2Glsl_Translate (parser, "main", options);
const char* infoLog = Hlsl2Glsl_GetInfoLog( parser );
if (translateOk)
{
std::string text = Hlsl2Glsl_GetShader (parser);
std::string output;
ReadStringFromFile (outputPath.c_str(), output);
if (text != output)
{
// write output
FILE* f = fopen (outputPath.c_str(), "wb");
fwrite (text.c_str(), 1, text.size(), f);
fclose (f);
printf (" does not match expected output\n");
res = false;
}
if (doCheckGLSL && !CheckGLSL (vertex, text.c_str()))
{
res = false;
}
}
else
{
printf (" translate error: %s\n", infoLog);
res = false;
}
}
else
{
printf (" parse error: %s\n", infoLog);
res = false;
}
Hlsl2Glsl_DestructCompiler (parser);
return res;
}
int C_DECL main(int argc, char* argv[])
{
bool parseFailed = false;
bool translateFailed = false;
int debugOptions = 0;
std::map<EShLanguage, std::string> Entrys;
std::map<EShLanguage, ShHandle> parsers;
std::map<EShLanguage, std::string> parsersIns;
std::map<EShLanguage, std::string> Outs;
char *uOut = 0;
char *shaderHeader = 0;
//ShHandle translator = 0;
//ShHandle uniformMap = 0;
bool bUseUserVaryings = false;
int attribSemanticCount = 0;
EAttribSemantic attribSemanticEnums[EAttrSemCount];
char* attribSemanticNames[EAttrSemCount];
for ( int i = 0; i < EAttrSemCount; i++ )
{
attribSemanticEnums[i] = EAttrSemUnknown;
attribSemanticNames[i] = NULL;
};
Hlsl2Glsl_Initialize();
argc--;
argv++;
for (; argc >= 1; argc--, argv++)
{
if (argv[0][0] == '-' || argv[0][0] == '/')
{
switch (argv[0][1])
{
case 'f': Entrys.insert(std::pair<EShLanguage, std::string>(EShLangFragment, (++argv)[0])); argc--; break;
case 'v': Entrys.insert(std::pair<EShLanguage, std::string>(EShLangVertex, (++argv)[0])); argc--; break;
case 'o':
if (strlen(argv[0]) > 2)
{
switch (argv[0][2])
{
case 'f':
Outs.insert(std::pair<EShLanguage, std::string>(EShLangFragment, (++argv)[0]));
argc--;
break;
case 'v':
Outs.insert(std::pair<EShLanguage, std::string>(EShLangVertex, (++argv)[0]));
argc--;
break;
case 'u':
uOut = (++argv)[0]; argc--;
break;
default:
usage();
return EFailUsage;
break;
}
}
break;
case 'i':
if (strlen(argv[0]) > 2)
{
EShLanguage language = EShLangFragment;
switch (argv[0][2])
{
case 'f':
language = EShLangFragment;
break;
case 'v':
language = EShLangVertex;
break;
default:
usage();
return EFailUsage;
break;
};
ShHandle l_parser = Hlsl2Glsl_ConstructCompiler(language);
if (l_parser == 0)
return EFailParserCreate;
argv++;
argc--;
parsers.insert(std::pair<EShLanguage, ShHandle>(language, l_parser));
parsersIns.insert(std::pair<EShLanguage, std::string>(language, argv[0]));
}
break;
case 'u':
bUseUserVaryings = true;
break;
case 'a':
{
char *configFileName = (++argv)[0];
argc--;
// Load a configuration file specifying user attributes
if ( !LoadUserAttribConfigFile ( configFileName, attribSemanticEnums, attribSemanticNames, &attribSemanticCount ) )
{
printf ( "Error loading attribute configuration file '%s'.\n", configFileName );
return EFailUsage;
}
}
break;
case 'h':
{
char *shaderHeaderName = (++argv)[0];
argc--;
shaderHeader = ReadFileData ( shaderHeaderName );
}
break;
default:
usage();
return EFailUsage;
}
}
else
{
EShLanguage language = FindLanguage(argv[0]);
ShHandle l_parser = Hlsl2Glsl_ConstructCompiler(language);
if (l_parser == 0)
return EFailParserCreate;
parsers.insert(std::pair<EShLanguage, ShHandle>(language, l_parser));
parsersIns.insert(std::pair<EShLanguage, std::string>(language, argv[0]));
}
}
if (parsers.size() == 0)
{
usage();
return EFailUsage;
}
/*
translator = Hlsl2Glsl_ConstructTranslator(debugOptions);
if (translator == 0)
return EFailTranslatorCreate;
*/
if ( bUseUserVaryings )
{
// Set the translator up to use user varyings
for(std::map<EShLanguage, ShHandle>::iterator it = parsers.begin(); it != parsers.end(); ++it)
{
Hlsl2Glsl_UseUserVaryings (it->second, bUseUserVaryings );
};
};
/*
if ( shaderHeader != NULL )
{
// Set a shader header if requested
Hlsl2Glsl_SetShaderHeader ( translator, true, shaderHeader );
}
*/
if ( attribSemanticCount > 0 )
{
for(std::map<EShLanguage, ShHandle>::iterator it = parsers.begin(); it != parsers.end(); ++it)
{
// Use user attributes if the user specified user attribute configuration file
if ( !Hlsl2Glsl_SetUserAttributeNames (it->second, attribSemanticEnums, (const char**)&attribSemanticNames[0], attribSemanticCount ) )
{
printf ("ERROR: Setting user attribute names\n");
};
};
};
if (parsers.size() > 0)
{
int l_i = -1;
for(std::map<EShLanguage, ShHandle>::iterator it = parsers.begin(); it != parsers.end(); ++it)
{
EShLanguage l_language = it->first;
ShHandle l_parser = it->second;
std::string l_parsedfile = parsersIns[l_language];
l_i += 1;
if(ParseFile(l_parsedfile.c_str(), l_parser, debugOptions))
{
if(Entrys.find(l_language) != Entrys.end())
{
std::string l_entrypointname = Entrys[l_language];
//TODO
if (Hlsl2Glsl_Translate(l_parser, l_entrypointname.c_str() , ETargetGLSL_120, 0))
{
if(Outs.find(l_language) != Outs.end())
{
SaveShader(Outs[l_language].c_str(), l_parser, shaderHeader);
};
if (uOut)
SaveUniforms(uOut, l_parser);
}
else
{
translateFailed = true;
};
}
}
else
{
parseFailed = true;
};
InfoLogMsg("BEGIN", "COMPILER", l_i);
puts(Hlsl2Glsl_GetInfoLog(l_parser));
InfoLogMsg("END", "COMPILER", l_i);
};
};
/*
InfoLogMsg("BEGIN", "LINKER", -1);
puts(Hlsl2Glsl_GetInfoLog(translator));
InfoLogMsg("END", "LINKER", -1);
if (!translateFailed )
{
if (fOut)
SaveShader( fOut, translator, EShLangFragment);
if (vOut)
SaveShader( vOut, translator, EShLangVertex);
if (uOut)
SaveUniforms( uOut, translator);
}
*/
for(std::map<EShLanguage, ShHandle>::iterator it = parsers.begin(); it != parsers.end(); ++it)
{
Hlsl2Glsl_DestructCompiler(it->second);
};
// Hlsl2Glsl_Destruct(translator);
// Hlsl2Glsl_Destruct(uniformMap);
for ( int i = 0; i < EAttrSemCount; i++ )
{
if ( attribSemanticNames[i] != NULL )
{
delete[] attribSemanticNames[i];
attribSemanticNames[i] = NULL;
};
};
if ( shaderHeader )
{
FreeFileData ( shaderHeader );
};
if (parseFailed)
return EFailParse;
if (translateFailed)
return EFailTranslate;
return 0;
}