Add basic Vulkan support to the shader compiler

[libs/gl.git] / tools / glslcompiler.cpp

diff --git a/tools/glslcompiler.cpp b/tools/glslcompiler.cpp
index bcc787ebbb252e029b83d1793e9d749a69b8b180..ee9c2d3ca6ec895574213589db91f09f70f2c447 100644 (file)
--- a/tools/glslcompiler.cpp
+++ b/tools/glslcompiler.cpp
@@ -55,6 +55,7 @@ GlslCompiler::GlslCompiler(int argc, char **argv):
        vector<string> spec_values_in;
        unsigned as_module = 0;
        string module_type = "glsl";
+       bool vulkan = false;
        unsigned target_version = 0;
 
        GetOpt getopt;
@@ -64,13 +65,20 @@ GlslCompiler::GlslCompiler(int argc, char **argv):
        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", module_type, GetOpt::OPTIONAL_ARG).bind_seen_count(as_module).set_help("Compile as unspecialized module");
+       getopt.add_option("vulkan", vulkan, GetOpt::NO_ARG).set_help("Compile for Vulkan target");
        getopt.add_option('t', "target-version", target_version, GetOpt::REQUIRED_ARG).set_help("Specify target GLSL version", "VER");
        getopt.add_option('o', "out-file", out_filename, GetOpt::REQUIRED_ARG).set_help("Write output to file instead of stdout", "FILE");
        getopt.add_option('I', "include", include_paths, GetOpt::REQUIRED_ARG).set_help("Add a directory to look for imported files", "DIR");
        getopt.add_argument("source", source_fn, GetOpt::REQUIRED_ARG).set_help("GLSL file to compile");
        getopt(argc, argv);
 
-       if(target_version)
+       if(vulkan)
+       {
+               features = GL::SL::Features::latest(GL::VULKAN);
+               as_module = 1;
+               module_type = "spirv";
+       }
+       else if(target_version)
                features = GL::SL::Features::from_api_version(GL::OPENGL, GL::Version(target_version/100, target_version%100));
 
        if(as_module)