From 4b9c9f565bb0335034dc8c2c7ad833ee42251d5d Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Sat, 9 Apr 2022 14:43:49 +0300
Subject: [PATCH] Make it possible to specify a target API for GLSL test cases

---
 tests/glsl/glslcompiler.cpp | 25 +++++++++++++++++++++----
 1 file changed, 21 insertions(+), 4 deletions(-)

diff --git a/tests/glsl/glslcompiler.cpp b/tests/glsl/glslcompiler.cpp
index 51664272..7deeb1f3 100644
--- a/tests/glsl/glslcompiler.cpp
+++ b/tests/glsl/glslcompiler.cpp
@@ -15,6 +15,7 @@ protected:
 	{
 		std::string name;
 		std::string source;
+		Msp::GL::GraphicsApi target_api;
 		Msp::GL::SL::Compiler::Mode compile_mode;
 		std::map<std::string, int> spec_values;
 		std::map<Msp::GL::SL::Stage::Type, std::string> expected_output;
@@ -91,6 +92,7 @@ const GlslCompilerHelper::TestCase &GlslCompilerHelper::load_test_case(const str
 	IO::BufferedFile file(fn);
 	TestCase test_case;
 	test_case.name = FS::basename(fn);
+	test_case.target_api = GL::OPENGL;
 	test_case.compile_mode = GL::SL::Compiler::PROGRAM;
 	string *target = &test_case.source;
 	while(!file.eof())
@@ -127,6 +129,21 @@ const GlslCompilerHelper::TestCase &GlslCompilerHelper::load_test_case(const str
 			continue;
 		}
 
+		pos = line.find("Target API:");
+		if(pos!=string::npos)
+		{
+			string api = strip(line.substr(pos+11));
+			if(api=="OpenGL")
+				test_case.target_api = GL::OPENGL;
+			else if(api=="OpenGL ES")
+				test_case.target_api = GL::OPENGL_ES;
+			else if(api=="Vulkan")
+				test_case.target_api = GL::VULKAN;
+			else
+				throw runtime_error("Unknown API "+api);
+			continue;
+		}
+
 		pos = line.find("Compile mode:");
 		if(pos!=string::npos)
 		{
@@ -251,7 +268,7 @@ GlslCompilerTest::GlslCompilerTest()
 
 void GlslCompilerTest::run_test_case(const TestCase *test_case)
 {
-	GL::SL::Compiler compiler(GL::SL::Features::latest(GL::OPENGL));
+	GL::SL::Compiler compiler(GL::SL::Features::latest(test_case->target_api));
 	try
 	{
 		compiler.set_source(test_case->source, "<test>");
@@ -308,13 +325,13 @@ GlslCompilerIdempotence::GlslCompilerIdempotence()
 
 void GlslCompilerIdempotence::run_test_case(const TestCase *test_case)
 {
-	GL::SL::Compiler compiler(GL::SL::Features::latest(GL::OPENGL));
+	GL::SL::Compiler compiler(GL::SL::Features::latest(test_case->target_api));
 	compiler.set_source(test_case->source, "<test>");
 	if(test_case->compile_mode==GL::SL::Compiler::PROGRAM)
 		compiler.specialize(test_case->spec_values);
 	compiler.compile(test_case->compile_mode);
 
-	GL::SL::Compiler compiler2(GL::SL::Features::latest(GL::OPENGL));
+	GL::SL::Compiler compiler2(GL::SL::Features::latest(test_case->target_api));
 	compiler2.set_source(compiler.get_combined_glsl(), "<loopback>");
 	compiler2.compile(test_case->compile_mode);
 
@@ -351,7 +368,7 @@ GlslCompilerSpirV::GlslCompilerSpirV():
 
 void GlslCompilerSpirV::run_test_case(const TestCase *test_case)
 {
-	GL::SL::Compiler compiler(GL::SL::Features::latest(GL::OPENGL));
+	GL::SL::Compiler compiler(GL::SL::Features::latest(test_case->target_api));
 	compiler.set_source(test_case->source, "<test>");
 	compiler.compile(GL::SL::Compiler::SPIRV);
 
-- 
2.45.2