shader: Implement FragDepth

1 files changed, 6 insertions, 0 deletions

diff --git a/src/shader_recompiler/backend/spirv/emit_context.cpp b/src/shader_recompiler/backend/spirv/emit_context.cpp
index 5db4a9082..3d028db0f 100644
--- a/src/shader_recompiler/backend/spirv/emit_context.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_context.cpp
@@ -359,6 +359,12 @@ void EmitContext::DefineOutputs(const Info& info) {
             Decorate(frag_color[i], spv::Decoration::Location, static_cast<u32>(i));
             Name(frag_color[i], fmt::format("frag_color{}", i));
         }
+        if (!info.stores_frag_depth) {
+            return;
+        }
+        frag_depth = DefineOutput(*this, F32[1]);
+        Decorate(frag_depth, spv::Decoration::BuiltIn, static_cast<u32>(spv::BuiltIn::FragDepth));
+        Name(frag_depth, "frag_depth");
     }
 }