X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=tools%2Fglslcompiler.cpp;fp=tools%2Fglslcompiler.cpp;h=74b37ef6b20a2fb5a46e0d19142c460fed346c98;hp=0000000000000000000000000000000000000000;hb=b30777959d8e2ab2caf489e32f40390f60a75fcb;hpb=c0be4e4ae1a8b6ac31ff6b7080e2242c13d947ff

diff --git a/tools/glslcompiler.cpp b/tools/glslcompiler.cpp
new file mode 100644
index 00000000..74b37ef6
--- /dev/null
+++ b/tools/glslcompiler.cpp
@@ -0,0 +1,71 @@
+#include <msp/core/application.h>
+#include <msp/core/getopt.h>
+#include <msp/gl/glsl/compiler.h>
+#include <msp/io/print.h>
+
+class GlslCompiler: public Msp::RegisteredApplication<GlslCompiler>
+{
+private:
+	std::string source_fn;
+	bool parse_only;
+	bool combined;
+	Msp::GL::SL::Stage::Type stage;
+	bool dump_ast;
+
+public:
+	GlslCompiler(int, char **);
+
+	virtual int main();
+};
+
+using namespace std;
+using namespace Msp;
+
+GlslCompiler::GlslCompiler(int argc, char **argv):
+	parse_only(false),
+	combined(false),
+	stage(GL::SL::Stage::SHARED),
+	dump_ast(false)
+{
+	string stage_str;
+
+	GetOpt getopt;
+	getopt.add_option('c', "combined", combined, GetOpt::NO_ARG).set_help("Output combined GLSL");
+	getopt.add_option('a', "dump-ast", dump_ast, GetOpt::NO_ARG).set_help("Dump AST for debugging");
+	getopt.add_option('p', "parse_only", parse_only, GetOpt::NO_ARG).set_help("Only parse the loaded source, don't compile");
+	getopt.add_option('s', "stage", stage_str, GetOpt::REQUIRED_ARG).set_help("Output GLSL for STAGE", "STAGE");
+	getopt.add_argument("source", source_fn, GetOpt::REQUIRED_ARG).set_help("GLSL file to compile");
+	getopt(argc, argv);
+
+	if(stage_str=="vertex")
+		stage = GL::SL::Stage::VERTEX;
+	else if(stage_str=="geometry")
+		stage = GL::SL::Stage::GEOMETRY;
+	else if(stage_str=="fragment")
+		stage = GL::SL::Stage::FRAGMENT;
+	else if(!dump_ast)
+		combined = true;
+}
+
+int GlslCompiler::main()
+{
+	GL::SL::Compiler compiler(GL::SL::Features::all());
+	IO::File file(source_fn);
+	compiler.load_source(file, source_fn);
+	if(!parse_only)
+		compiler.compile(GL::SL::Compiler::PROGRAM);
+
+	if(dump_ast)
+	{
+		vector<GL::SL::Stage::Type> stages = compiler.get_stages();
+		for(vector<GL::SL::Stage::Type>::const_iterator i=stages.begin(); i!=stages.end(); ++i)
+			IO::print("%s\n", compiler.get_stage_debug(*i));
+	}
+
+	if(combined)
+		IO::print("%s\n", compiler.get_combined_glsl());
+	else if(stage!=GL::SL::Stage::SHARED)
+		IO::print("%s\n", compiler.get_stage_glsl(stage));
+
+	return 0;
+}