Add a compile mode flag to the command-line GLSL compiler

diff --git a/tools/glslcompiler.cpp b/tools/glslcompiler.cpp
index 24df1f2bbc28f48721542843a321ee814340dd16..5d8362d4289a6f9f1bdd5c78eb2b64c3704a64db 100644 (file)
--- a/tools/glslcompiler.cpp
+++ b/tools/glslcompiler.cpp
@@ -9,6 +9,7 @@ class GlslCompiler: public Msp::RegisteredApplication<GlslCompiler>
 {
 private:
        std::string source_fn;
+       Msp::GL::SL::Compiler::Mode compile_mode;
        std::map<std::string, int> spec_values;
        bool parse_only;
        bool combined;
@@ -25,6 +26,7 @@ using namespace std;
 using namespace Msp;
 
 GlslCompiler::GlslCompiler(int argc, char **argv):
+       compile_mode(GL::SL::Compiler::PROGRAM),
        parse_only(false),
        combined(false),
        stage(GL::SL::Stage::SHARED),
@@ -32,6 +34,7 @@ GlslCompiler::GlslCompiler(int argc, char **argv):
 {
        string stage_str;
        vector<string> spec_values_in;
+       bool as_module = false;
 
        GetOpt getopt;
        getopt.add_option('c', "combined", combined, GetOpt::NO_ARG).set_help("Output combined GLSL");
@@ -39,9 +42,13 @@ GlslCompiler::GlslCompiler(int argc, char **argv):
        getopt.add_option('p', "parse_only", parse_only, GetOpt::NO_ARG).set_help("Only parse the loaded source (implies -a)");
        getopt.add_option('e', "specialize", spec_values_in, GetOpt::REQUIRED_ARG).set_help("Set specialization constant", "NAME:VALUE");
        getopt.add_option('s', "stage", stage_str, GetOpt::REQUIRED_ARG).set_help("Output GLSL for STAGE", "STAGE");
+       getopt.add_option('m', "module", as_module, GetOpt::NO_ARG).set_help("Compile as unspecialized module");
        getopt.add_argument("source", source_fn, GetOpt::REQUIRED_ARG).set_help("GLSL file to compile");
        getopt(argc, argv);
 
+       if(as_module)
+               compile_mode = GL::SL::Compiler::MODULE;
+
        if(parse_only)
        {
                if(!stage_str.empty())
@@ -79,12 +86,13 @@ int GlslCompiler::main()
        GL::SL::Compiler compiler(GL::SL::Features::all());
        IO::File file(source_fn);
        compiler.load_source(file, source_fn);
-       compiler.specialize(spec_values);
+       if(compile_mode==GL::SL::Compiler::PROGRAM)
+               compiler.specialize(spec_values);
        if(!parse_only)
        {
                try
                {
-                       compiler.compile(GL::SL::Compiler::PROGRAM);
+                       compiler.compile(compile_mode);
                        string diag = compiler.get_diagnostics();
                        if(!diag.empty())
                                IO::print("Diagnostic messages from compiler:\n%s\n", diag);