//
// Do a full compile on the given strings for a single compilation unit
// forming a complete stage. The result of the machine dependent compilation
// is left in the provided compile object.
//
// Return: The return value is really boolean, indicating
// success (1) or failure (0).
//
int ShCompile(
const ShHandle handle,
const char* const shaderStrings[],
const int numStrings,
const int* inputLengths,
const EShOptimizationLevel optLevel,
const TBuiltInResource* resources,
int /*debugOptions*/,
int defaultVersion, // use 100 for ES environment, 110 for desktop
bool forwardCompatible, // give errors for use of deprecated features
EShMessages messages // warnings/errors/AST; things to print out
)
{
// Map the generic handle to the C++ object
if (handle == 0)
return 0;
TShHandleBase* base = reinterpret_cast<TShHandleBase*>(handle);
TCompiler* compiler = base->getAsCompiler();
if (compiler == 0)
return 0;
compiler->infoSink.info.erase();
compiler->infoSink.debug.erase();
TIntermediate intermediate(compiler->getLanguage());
bool success = CompileDeferred(compiler, shaderStrings, numStrings, inputLengths, "", optLevel, resources, defaultVersion, ENoProfile, false, forwardCompatible, messages, intermediate);
//
// Call the machine dependent compiler
//
if (success && intermediate.getTreeRoot() && optLevel != EShOptNoGeneration)
success = compiler->compile(intermediate.getTreeRoot(), intermediate.getVersion(), intermediate.getProfile());
intermediate.removeTree();
// Throw away all the temporary memory used by the compilation process.
// The push was done in the CompileDeferred() call above.
GetThreadPoolAllocator().pop();
return success ? 1 : 0;
}
//
// Do an actual compile on the given strings. The result is left
// in the given compile object.
//
// Return: The return value of ShCompile is really boolean, indicating
// success or failure.
//
int ShCompile(
const ShHandle handle,
const char* const shaderStrings[],
const int numStrings,
const EShOptimizationLevel optLevel,
const TBuiltInResource* resources,
int debugOptions
)
{
if (!InitThread())
return 0;
if (handle == 0)
return 0;
TShHandleBase* base = reinterpret_cast<TShHandleBase*>(handle);
TCompiler* compiler = base->getAsCompiler();
if (compiler == 0)
return 0;
GlobalPoolAllocator.push();
compiler->infoSink.info.erase();
compiler->infoSink.debug.erase();
if (numStrings == 0)
return 1;
TIntermediate intermediate(compiler->infoSink);
TSymbolTable symbolTable(SymbolTables[compiler->getLanguage()]);
GenerateBuiltInSymbolTable(resources, compiler->infoSink, &symbolTable, compiler->getLanguage());
TParseContext parseContext(symbolTable, intermediate, compiler->getLanguage(), compiler->infoSink);
parseContext.initializeExtensionBehavior();
GlobalParseContext = &parseContext;
setInitialState();
InitPreprocessor();
//
// Parse the application's shaders. All the following symbol table
// work will be throw-away, so push a new allocation scope that can
// be thrown away, then push a scope for the current shader's globals.
//
bool success = true;
symbolTable.push();
if (!symbolTable.atGlobalLevel())
parseContext.infoSink.info.message(EPrefixInternalError, "Wrong symbol table level");
if (parseContext.insertBuiltInArrayAtGlobalLevel())
success = false;
int ret = PaParseStrings(const_cast<char**>(shaderStrings), 0, numStrings, parseContext);
if (ret)
success = false;
if (success && parseContext.treeRoot) {
if (optLevel == EShOptNoGeneration)
parseContext.infoSink.info.message(EPrefixNone, "No errors. No code generation or linking was requested.");
else {
success = intermediate.postProcess(parseContext.treeRoot, parseContext.language);
if (success) {
if (debugOptions & EDebugOpIntermediate)
intermediate.outputTree(parseContext.treeRoot);
//
// Call the machine dependent compiler
//
if (! compiler->compile(parseContext.treeRoot))
success = false;
}
}
} else if (!success) {
parseContext.infoSink.info.prefix(EPrefixError);
parseContext.infoSink.info << parseContext.numErrors << " compilation errors. No code generated.\n\n";
success = false;
if (debugOptions & EDebugOpIntermediate)
intermediate.outputTree(parseContext.treeRoot);
}
intermediate.remove(parseContext.treeRoot);
//
// Ensure symbol table is returned to the built-in level,
// throwing away all but the built-ins.
//
while (! symbolTable.atSharedBuiltInLevel())
symbolTable.pop();
FinalizePreprocessor();
//
// Throw away all the temporary memory used by the compilation process.
//
GlobalPoolAllocator.pop();
return success ? 1 : 0;
}