X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Fspirv.cpp;h=7f99ebb3d9ecc61b737739542feed5a72994633f;hb=f1e31ee641f0cafdfe2015bff206b9ee2ad85abf;hp=13c58a695ab3668d9c0a605ce679f1d00565a997;hpb=e98188ff6c9bba9761b71f2a69f3be7eb89ba3da;p=libs%2Fgl.git

diff --git a/source/glsl/spirv.cpp b/source/glsl/spirv.cpp
index 13c58a69..7f99ebb3 100644
--- a/source/glsl/spirv.cpp
+++ b/source/glsl/spirv.cpp
@@ -135,8 +135,9 @@ SpirVGenerator::SpirVGenerator():
 	writer(content)
 { }
 
-void SpirVGenerator::apply(Module &module)
+void SpirVGenerator::apply(Module &module, const Features &f)
 {
+	features = f;
 	use_capability(CAP_SHADER);
 
 	for(Stage &s: module.stages)
@@ -1745,7 +1746,10 @@ void SpirVGenerator::visit_entry_point(FunctionDeclaration &func, Id func_id)
 	writer.end_op(OP_ENTRY_POINT);
 
 	if(stage->type==Stage::FRAGMENT)
-		writer.write_op(content.exec_modes, OP_EXECUTION_MODE, func_id, EXEC_ORIGIN_LOWER_LEFT);
+	{
+		SpirVExecutionMode origin = (features.target_api==VULKAN ? EXEC_ORIGIN_UPPER_LEFT : EXEC_ORIGIN_LOWER_LEFT);
+		writer.write_op(content.exec_modes, OP_EXECUTION_MODE, func_id, origin);
+	}
 	else if(stage->type==Stage::GEOMETRY)
 		use_capability(CAP_GEOMETRY);