public ShaderGenerationResult GenerateShaders()
{
ShaderGenerationResult result = new ShaderGenerationResult();
foreach (ShaderSetInfo ss in _shaderSets)
{
GenerateShaders(ss, result);
}
// Activate processors
foreach (IShaderSetProcessor processor in _processors)
{
// Kind of a hack, but the relevant info should be the same.
foreach (GeneratedShaderSet gss in result.GetOutput(_languages.First()))
{
ShaderSetProcessorInput input = new ShaderSetProcessorInput(
gss.Name,
gss.VertexFunction,
gss.FragmentFunction,
gss.Model);
processor.ProcessShaderSet(input);
}
}
return(result);
}
public ShaderGenerationResult GenerateShaders()
{
if (_shaderSets.Count == 0)
{
throw new ShaderGenerationException("No shader sets were discovered.");
}
ShaderGenerationResult result = new ShaderGenerationResult();
foreach (ShaderSetInfo ss in _shaderSets)
{
GenerateShaders(ss, result);
}
// Activate processors
foreach (IShaderSetProcessor processor in _processors)
{
// Kind of a hack, but the relevant info should be the same.
foreach (GeneratedShaderSet gss in result.GetOutput(_languages[0]))
{
ShaderSetProcessorInput input = new ShaderSetProcessorInput(
gss.Name,
gss.VertexFunction,
gss.FragmentFunction,
gss.Model);
processor.ProcessShaderSet(input);
}
}
return(result);
}
private void GenerateShaders(ShaderSetInfo ss, ShaderGenerationResult result)
{
TypeAndMethodName vertexFunctionName = ss.VertexShader;
TypeAndMethodName fragmentFunctionName = ss.FragmentShader;
HashSet <SyntaxTree> treesToVisit = new HashSet <SyntaxTree>();
if (vertexFunctionName != null)
{
GetTrees(treesToVisit, vertexFunctionName.TypeName);
}
if (fragmentFunctionName != null)
{
GetTrees(treesToVisit, fragmentFunctionName.TypeName);
}
foreach (LanguageBackend language in _languages)
{
language.InitContext(ss.Name);
}
ShaderSyntaxWalker walker = new ShaderSyntaxWalker(_compilation, _languages.ToArray(), ss);
foreach (SyntaxTree tree in treesToVisit)
{
walker.Visit(tree.GetRoot());
}
foreach (LanguageBackend language in _languages)
{
ShaderModel model = language.GetShaderModel(ss.Name);
ShaderFunction vsFunc = (ss.VertexShader != null)
? model.GetFunction(ss.VertexShader.FullName)
: null;
ShaderFunction fsFunc = (ss.FragmentShader != null)
? model.GetFunction(ss.FragmentShader.FullName)
: null;
{
string vsCode = null;
string fsCode = null;
if (vsFunc != null)
{
vsCode = language.GetCode(ss.Name, vsFunc);
}
if (fsFunc != null)
{
fsCode = language.GetCode(ss.Name, fsFunc);
}
result.AddShaderSet(language, new GeneratedShaderSet(ss.Name, vsCode, fsCode, vsFunc, fsFunc, model));
}
}
}
