bool Compiler::CompileShaderPrimary(
const ShaderInput& inputDesc,
const ShaderOutput& outputDesc,
Reflection::ReflectionData* reflectionData)
{
/* Validate arguments */
ValidateArguments(inputDesc, outputDesc);
/* ----- Pre-processing ----- */
timePoints_.preprocessor = Time::now();
std::unique_ptr<IncludeHandler> stdIncludeHandler;
if (!inputDesc.includeHandler)
stdIncludeHandler = std::unique_ptr<IncludeHandler>(new IncludeHandler());
auto includeHandler = (inputDesc.includeHandler != nullptr ? inputDesc.includeHandler : stdIncludeHandler.get());
std::unique_ptr<PreProcessor> preProcessor;
if (IsLanguageHLSL(inputDesc.shaderVersion))
preProcessor = MakeUnique<PreProcessor>(*includeHandler, log_);
else if (IsLanguageGLSL(inputDesc.shaderVersion))
preProcessor = MakeUnique<GLSLPreProcessor>(*includeHandler, log_);
const bool writeLineMarksInPP = (!outputDesc.options.preprocessOnly || outputDesc.formatting.lineMarks);
const bool writeLineMarkFilenamesInPP = (!outputDesc.options.preprocessOnly || IsLanguageHLSL(inputDesc.shaderVersion));
auto processedInput = preProcessor->Process(
std::make_shared<SourceCode>(inputDesc.sourceCode),
inputDesc.filename,
writeLineMarksInPP,
writeLineMarkFilenamesInPP,
((inputDesc.warnings & Warnings::PreProcessor) != 0)
);
if (reflectionData)
reflectionData->macros = preProcessor->ListDefinedMacroIdents();
if (!processedInput)
return ReturnWithError(R_PreProcessingSourceFailed);
if (outputDesc.options.preprocessOnly)
{
(*outputDesc.sourceCode) << processedInput->rdbuf();
return true;
}
/* ----- Parsing ----- */
timePoints_.parser = Time::now();
std::unique_ptr<IntrinsicAdept> intrinsicAdpet;
ProgramPtr program;
if (IsLanguageHLSL(inputDesc.shaderVersion))
{
/* Establish intrinsic adept */
intrinsicAdpet = MakeUnique<HLSLIntrinsicAdept>();
/* Parse HLSL input code */
HLSLParser parser(log_);
program = parser.ParseSource(
std::make_shared<SourceCode>(std::move(processedInput)),
outputDesc.nameMangling,
inputDesc.shaderVersion,
outputDesc.options.rowMajorAlignment,
((inputDesc.warnings & Warnings::Syntax) != 0)
);
}
else if (IsLanguageGLSL(inputDesc.shaderVersion))
{
/* Establish intrinsic adept */
#if 0
intrinsicAdpet = MakeUnique<GLSLIntrinsicAdept>();
#else //!!!
intrinsicAdpet = MakeUnique<HLSLIntrinsicAdept>();
#endif
/* Parse GLSL input code */
GLSLParser parser(log_);
program = parser.ParseSource(
std::make_shared<SourceCode>(std::move(processedInput)),
outputDesc.nameMangling,
inputDesc.shaderVersion,
((inputDesc.warnings & Warnings::Syntax) != 0)
);
}
if (!program)
return ReturnWithError(R_ParsingSourceFailed);
/* ----- Context analysis ----- */
timePoints_.analyzer = Time::now();
bool analyzerResult = false;
if (IsLanguageHLSL(inputDesc.shaderVersion))
{
/* Analyse HLSL program */
HLSLAnalyzer analyzer(log_);
analyzerResult = analyzer.DecorateAST(*program, inputDesc, outputDesc);
}
/* Print AST */
if (outputDesc.options.showAST)
{
ASTPrinter printer;
printer.PrintAST(program.get());
}
if (!analyzerResult)
return ReturnWithError(R_AnalyzingSourceFailed);
/* Optimize AST */
timePoints_.optimizer = Time::now();
if (outputDesc.options.optimize)
{
Optimizer optimizer;
optimizer.Optimize(*program);
}
/* ----- Code generation ----- */
timePoints_.generation = Time::now();
bool generatorResult = false;
if (IsLanguageGLSL(outputDesc.shaderVersion) || IsLanguageESSL(outputDesc.shaderVersion) || IsLanguageVKSL(outputDesc.shaderVersion))
{
/* Generate GLSL output code */
GLSLGenerator generator(log_);
generatorResult = generator.GenerateCode(*program, inputDesc, outputDesc, log_);
}
if (!generatorResult)
return ReturnWithError(R_GeneratingOutputCodeFailed);
/* ----- Code reflection ----- */
timePoints_.reflection = Time::now();
if (reflectionData)
{
ReflectionAnalyzer reflectAnalyzer(log_);
reflectAnalyzer.Reflect(
*program, inputDesc.shaderTarget, *reflectionData,
((inputDesc.warnings & Warnings::CodeReflection) != 0)
);
}
return true;
}
/** Bind a program
Program have bindings globalVar->parameter
*/
void GLEngine::setProgram(ProgramPtr program)
{
if(mCurrentProgram.get() == program.get())
return;
mCurrentProgram = program;
}